chicken_dy/Assets/WX-WASM-SDK/wechat-default/open-data/open-data-js-sdk/minigame-canvas-engine/index.js

4767 lines
162 KiB
JavaScript
Executable File
Raw Blame History

This file contains ambiguous Unicode characters

This file contains Unicode characters that might be confused with other characters. If you think that this is intentional, you can safely ignore this warning. Use the Escape button to reveal them.

module.exports =
/******/ (function(modules) { // webpackBootstrap
/******/ // The module cache
/******/ var installedModules = {};
/******/
/******/ // The require function
/******/ function __webpack_require__(moduleId) {
/******/
/******/ // Check if module is in cache
/******/ if(installedModules[moduleId]) {
/******/ return installedModules[moduleId].exports;
/******/ }
/******/ // Create a new module (and put it into the cache)
/******/ var module = installedModules[moduleId] = {
/******/ i: moduleId,
/******/ l: false,
/******/ exports: {}
/******/ };
/******/
/******/ // Execute the module function
/******/ modules[moduleId].call(module.exports, module, module.exports, __webpack_require__);
/******/
/******/ // Flag the module as loaded
/******/ module.l = true;
/******/
/******/ // Return the exports of the module
/******/ return module.exports;
/******/ }
/******/
/******/
/******/ // expose the modules object (__webpack_modules__)
/******/ __webpack_require__.m = modules;
/******/
/******/ // expose the module cache
/******/ __webpack_require__.c = installedModules;
/******/
/******/ // define getter function for harmony exports
/******/ __webpack_require__.d = function(exports, name, getter) {
/******/ if(!__webpack_require__.o(exports, name)) {
/******/ Object.defineProperty(exports, name, { enumerable: true, get: getter });
/******/ }
/******/ };
/******/
/******/ // define __esModule on exports
/******/ __webpack_require__.r = function(exports) {
/******/ if(typeof Symbol !== 'undefined' && Symbol.toStringTag) {
/******/ Object.defineProperty(exports, Symbol.toStringTag, { value: 'Module' });
/******/ }
/******/ Object.defineProperty(exports, '__esModule', { value: true });
/******/ };
/******/
/******/ // create a fake namespace object
/******/ // mode & 1: value is a module id, require it
/******/ // mode & 2: merge all properties of value into the ns
/******/ // mode & 4: return value when already ns object
/******/ // mode & 8|1: behave like require
/******/ __webpack_require__.t = function(value, mode) {
/******/ if(mode & 1) value = __webpack_require__(value);
/******/ if(mode & 8) return value;
/******/ if((mode & 4) && typeof value === 'object' && value && value.__esModule) return value;
/******/ var ns = Object.create(null);
/******/ __webpack_require__.r(ns);
/******/ Object.defineProperty(ns, 'default', { enumerable: true, value: value });
/******/ if(mode & 2 && typeof value != 'string') for(var key in value) __webpack_require__.d(ns, key, function(key) { return value[key]; }.bind(null, key));
/******/ return ns;
/******/ };
/******/
/******/ // getDefaultExport function for compatibility with non-harmony modules
/******/ __webpack_require__.n = function(module) {
/******/ var getter = module && module.__esModule ?
/******/ function getDefault() { return module['default']; } :
/******/ function getModuleExports() { return module; };
/******/ __webpack_require__.d(getter, 'a', getter);
/******/ return getter;
/******/ };
/******/
/******/ // Object.prototype.hasOwnProperty.call
/******/ __webpack_require__.o = function(object, property) { return Object.prototype.hasOwnProperty.call(object, property); };
/******/
/******/ // __webpack_public_path__
/******/ __webpack_require__.p = "";
/******/
/******/
/******/ // Load entry module and return exports
/******/ return __webpack_require__(__webpack_require__.s = 0);
/******/ })
/************************************************************************/
/******/ ([
/* 0 */
/***/ (function(module, __webpack_exports__, __webpack_require__) {
"use strict";
__webpack_require__.r(__webpack_exports__);
/* harmony export (binding) */ __webpack_require__.d(__webpack_exports__, "EE", function() { return EE; });
/* harmony import */ var _components_elements_js__WEBPACK_IMPORTED_MODULE_0__ = __webpack_require__(1);
/* harmony import */ var _common_pool_js__WEBPACK_IMPORTED_MODULE_1__ = __webpack_require__(4);
/* harmony import */ var tiny_emitter__WEBPACK_IMPORTED_MODULE_2__ = __webpack_require__(3);
/* harmony import */ var tiny_emitter__WEBPACK_IMPORTED_MODULE_2___default = /*#__PURE__*/__webpack_require__.n(tiny_emitter__WEBPACK_IMPORTED_MODULE_2__);
/* harmony import */ var css_layout__WEBPACK_IMPORTED_MODULE_3__ = __webpack_require__(5);
/* harmony import */ var css_layout__WEBPACK_IMPORTED_MODULE_3___default = /*#__PURE__*/__webpack_require__.n(css_layout__WEBPACK_IMPORTED_MODULE_3__);
/* harmony import */ var _common_util_js__WEBPACK_IMPORTED_MODULE_4__ = __webpack_require__(6);
/* harmony import */ var _libs_fast_xml_parser_parser_js__WEBPACK_IMPORTED_MODULE_5__ = __webpack_require__(7);
/* harmony import */ var _libs_fast_xml_parser_parser_js__WEBPACK_IMPORTED_MODULE_5___default = /*#__PURE__*/__webpack_require__.n(_libs_fast_xml_parser_parser_js__WEBPACK_IMPORTED_MODULE_5__);
/* harmony import */ var _common_bitMapFont__WEBPACK_IMPORTED_MODULE_6__ = __webpack_require__(13);
/* harmony import */ var _components_index_js__WEBPACK_IMPORTED_MODULE_7__ = __webpack_require__(15);
function _typeof(obj) { "@babel/helpers - typeof"; if (typeof Symbol === "function" && typeof Symbol.iterator === "symbol") { _typeof = function _typeof(obj) { return typeof obj; }; } else { _typeof = function _typeof(obj) { return obj && typeof Symbol === "function" && obj.constructor === Symbol && obj !== Symbol.prototype ? "symbol" : typeof obj; }; } return _typeof(obj); }
function _classCallCheck(instance, Constructor) { if (!(instance instanceof Constructor)) { throw new TypeError("Cannot call a class as a function"); } }
function _defineProperties(target, props) { for (var i = 0; i < props.length; i++) { var descriptor = props[i]; descriptor.enumerable = descriptor.enumerable || false; descriptor.configurable = true; if ("value" in descriptor) descriptor.writable = true; Object.defineProperty(target, descriptor.key, descriptor); } }
function _createClass(Constructor, protoProps, staticProps) { if (protoProps) _defineProperties(Constructor.prototype, protoProps); if (staticProps) _defineProperties(Constructor, staticProps); return Constructor; }
function _inherits(subClass, superClass) { if (typeof superClass !== "function" && superClass !== null) { throw new TypeError("Super expression must either be null or a function"); } subClass.prototype = Object.create(superClass && superClass.prototype, { constructor: { value: subClass, writable: true, configurable: true } }); if (superClass) _setPrototypeOf(subClass, superClass); }
function _setPrototypeOf(o, p) { _setPrototypeOf = Object.setPrototypeOf || function _setPrototypeOf(o, p) { o.__proto__ = p; return o; }; return _setPrototypeOf(o, p); }
function _createSuper(Derived) { var hasNativeReflectConstruct = _isNativeReflectConstruct(); return function _createSuperInternal() { var Super = _getPrototypeOf(Derived), result; if (hasNativeReflectConstruct) { var NewTarget = _getPrototypeOf(this).constructor; result = Reflect.construct(Super, arguments, NewTarget); } else { result = Super.apply(this, arguments); } return _possibleConstructorReturn(this, result); }; }
function _possibleConstructorReturn(self, call) { if (call && (_typeof(call) === "object" || typeof call === "function")) { return call; } return _assertThisInitialized(self); }
function _assertThisInitialized(self) { if (self === void 0) { throw new ReferenceError("this hasn't been initialised - super() hasn't been called"); } return self; }
function _isNativeReflectConstruct() { if (typeof Reflect === "undefined" || !Reflect.construct) return false; if (Reflect.construct.sham) return false; if (typeof Proxy === "function") return true; try { Date.prototype.toString.call(Reflect.construct(Date, [], function () {})); return true; } catch (e) { return false; } }
function _getPrototypeOf(o) { _getPrototypeOf = Object.setPrototypeOf ? Object.getPrototypeOf : function _getPrototypeOf(o) { return o.__proto__ || Object.getPrototypeOf(o); }; return _getPrototypeOf(o); }
// components
// 全局事件管道
var EE = new tiny_emitter__WEBPACK_IMPORTED_MODULE_2___default.a();
var imgPool = new _common_pool_js__WEBPACK_IMPORTED_MODULE_1__["default"]('imgPool');
var canvasPool = new _common_pool_js__WEBPACK_IMPORTED_MODULE_1__["default"]('canvasPool');
var constructorMap = {
view: _components_index_js__WEBPACK_IMPORTED_MODULE_7__["View"],
text: _components_index_js__WEBPACK_IMPORTED_MODULE_7__["Text"],
image: _components_index_js__WEBPACK_IMPORTED_MODULE_7__["Image"],
scrollview: _components_index_js__WEBPACK_IMPORTED_MODULE_7__["ScrollView"],
bitmaptext: _components_index_js__WEBPACK_IMPORTED_MODULE_7__["BitMapText"]
};
var create = function create(node, style) {
var _this = this;
var _constructor = constructorMap[node.name];
var children = node.children || [];
var attr = node.attr || {};
var id = attr.id || '';
var args = Object.keys(attr).reduce(function (obj, key) {
var value = attr[key];
var attribute = key;
if (key === 'id') {
obj.style = Object.assign(obj.style || {}, style[id] || {});
return obj;
}
if (key === 'class') {
obj.style = value.split(/\s+/).reduce(function (res, oneClass) {
return Object.assign(res, style[oneClass]);
}, obj.style || {});
return obj;
} // if (/\{\{.+\}\}/.test(value)) {
// }
if (value === 'true') {
obj[attribute] = true;
} else if (value === 'false') {
obj[attribute] = false;
} else {
obj[attribute] = value;
}
return obj;
}, {}); // 用于后续元素查询
args.idName = id;
args.className = attr["class"] || '';
var element = new _constructor(args);
element.root = this;
children.forEach(function (childNode) {
var childElement = create.call(_this, childNode, style);
element.add(childElement);
});
return element;
};
var getChildren = function getChildren(element) {
return Object.keys(element.children).map(function (id) {
return element.children[id];
}).map(function (child) {
return {
id: child.id,
name: child.name,
style: child.style,
children: getChildren(child)
};
});
};
var renderChildren = function renderChildren(children, context) {
children.forEach(function (child) {
if (child.type === 'ScrollView') {
// ScrollView的子节点渲染交给ScrollView自己不支持嵌套ScrollView
child.insertScrollView(context);
} else {
child.insert(context);
return renderChildren(child.children, context);
}
});
};
function layoutChildren(dataArray, children) {
var _this2 = this;
dataArray.forEach(function (data) {
var child = children.find(function (item) {
return item.id === data.id;
});
child.layoutBox = child.layoutBox || {};
['left', 'top', 'width', 'height'].forEach(function (prop) {
child.layoutBox[prop] = data.layout[prop];
});
if (child.parent) {
child.layoutBox.absoluteX = (child.parent.layoutBox.absoluteX || 0) + child.layoutBox.left;
child.layoutBox.absoluteY = (child.parent.layoutBox.absoluteY || 0) + child.layoutBox.top;
} else {
child.layoutBox.absoluteX = child.layoutBox.left;
child.layoutBox.absoluteY = child.layoutBox.top;
}
child.layoutBox.originalAbsoluteY = child.layoutBox.absoluteY; // 滚动列表的画板尺寸和主画板保持一致
if (child.type === 'ScrollView') {
child.updateRenderPort(_this2.renderport);
}
layoutChildren.call(_this2, data.children, child.children);
});
}
var updateRealLayout = function updateRealLayout(dataArray, children, scale) {
dataArray.forEach(function (data) {
var child = children.find(function (item) {
return item.id === data.id;
});
child.realLayoutBox = child.realLayoutBox || {};
['left', 'top', 'width', 'height'].forEach(function (prop) {
child.realLayoutBox[prop] = data.layout[prop] * scale;
});
if (child.parent) {
child.realLayoutBox.realX = (child.parent.realLayoutBox.realX || 0) + child.realLayoutBox.left;
Object.defineProperty(child.realLayoutBox, 'realY', {
configurable: true,
enumerable: true,
get: function get() {
var res = (child.parent.realLayoutBox.realY || 0) + child.realLayoutBox.top;
/**
* 滚动列表事件处理
*/
if (child.parent && child.parent.type === 'ScrollView') {
res -= child.parent.top * scale;
}
return res;
}
});
} else {
child.realLayoutBox.realX = child.realLayoutBox.left;
child.realLayoutBox.realY = child.realLayoutBox.top;
}
updateRealLayout(data.children, child.children, scale);
});
};
function _getElementsById(tree) {
var list = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : [];
var id = arguments.length > 2 ? arguments[2] : undefined;
Object.keys(tree.children).forEach(function (key) {
var child = tree.children[key];
if (child.idName === id) {
list.push(child);
}
if (Object.keys(child.children).length) {
_getElementsById(child, list, id);
}
});
return list;
}
function _getElementsByClassName(tree) {
var list = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : [];
var className = arguments.length > 2 ? arguments[2] : undefined;
Object.keys(tree.children).forEach(function (key) {
var child = tree.children[key];
if (child.className.split(/\s+/).indexOf(className) > -1) {
list.push(child);
}
if (Object.keys(child.children).length) {
_getElementsByClassName(child, list, className);
}
});
return list;
}
var _Layout = /*#__PURE__*/function (_Element) {
_inherits(_Layout, _Element);
var _super = _createSuper(_Layout);
function _Layout() {
var _this3;
var _ref = arguments.length > 0 && arguments[0] !== undefined ? arguments[0] : {},
style = _ref.style,
name = _ref.name;
_classCallCheck(this, _Layout);
_this3 = _super.call(this, {
style: style,
id: 0,
name: name
});
_this3.hasEventHandler = false;
_this3.elementTree = null;
_this3.renderContext = null;
_this3.debugInfo = {};
_this3.renderport = {};
_this3.viewport = {};
_this3.touchStart = _this3.eventHandler('touchstart').bind(_assertThisInitialized(_this3));
_this3.touchMove = _this3.eventHandler('touchmove').bind(_assertThisInitialized(_this3));
_this3.touchEnd = _this3.eventHandler('touchend').bind(_assertThisInitialized(_this3));
_this3.touchCancel = _this3.eventHandler('touchcancel').bind(_assertThisInitialized(_this3));
_this3.version = '0.0.1';
_this3.touchMsg = {};
_this3.hasViewPortSet = false;
_this3.realLayoutBox = {
realX: 0,
realY: 0
};
_this3.state = _common_util_js__WEBPACK_IMPORTED_MODULE_4__["STATE"].UNINIT;
_this3.bitMapFonts = [];
return _this3;
}
/**
* 更新被绘制canvas的窗口信息本渲染引擎并不关心是否会和其他游戏引擎共同使用
* 而本身又需要支持事件处理因此如果被渲染内容是绘制到离屏canvas需要将最终绘制在屏幕上
* 的绝对尺寸和位置信息更新到本渲染引擎。
* 其中width为物理像素宽度height为物理像素高度x为距离屏幕左上角的物理像素x坐标y为距离屏幕左上角的物理像素
* y坐标
*/
_createClass(_Layout, [{
key: "updateViewPort",
value: function updateViewPort(box) {
this.viewport.width = box.width || 0;
this.viewport.height = box.height || 0;
this.viewport.x = box.x || 0;
this.viewport.y = box.y || 0;
this.realLayoutBox = {
realX: this.viewport.x,
realY: this.viewport.y
};
this.hasViewPortSet = true;
}
}, {
key: "init",
value: function init(template, style, attrValueProcessor) {
var start = new Date();
/*if( parser.validate(template) === true) { //optional (it'll return an object in case it's not valid)*/
/*}*/
var parseConfig = {
attributeNamePrefix: "",
attrNodeName: "attr",
//default is 'false'
textNodeName: "#text",
ignoreAttributes: false,
ignoreNameSpace: true,
allowBooleanAttributes: true,
parseNodeValue: false,
parseAttributeValue: false,
trimValues: true,
parseTrueNumberOnly: false
};
if (attrValueProcessor && typeof attrValueProcessor === "function") {
parseConfig.attrValueProcessor = attrValueProcessor;
}
var jsonObj = _libs_fast_xml_parser_parser_js__WEBPACK_IMPORTED_MODULE_5___default.a.parse(template, parseConfig, true);
var xmlTree = jsonObj.children[0];
this.debugInfo.xmlTree = new Date() - start; // XML树生成渲染树
this.layoutTree = create.call(this, xmlTree, style);
this.debugInfo.layoutTree = new Date() - start;
this.add(this.layoutTree);
var elementTree = {
id: this.id,
style: {
width: this.style.width,
height: this.style.height,
flexDirection: 'row'
},
children: getChildren(this)
}; // 计算布局树
css_layout__WEBPACK_IMPORTED_MODULE_3___default()(elementTree);
this.elementTree = elementTree;
this.debugInfo.renderTree = new Date() - start;
var rootEle = this.children[0];
if (rootEle.style.width === undefined || rootEle.style.height === undefined) {
console.error('Please set width and height property for root element');
} else {
this.renderport.width = rootEle.style.width;
this.renderport.height = rootEle.style.height;
}
this.state = _common_util_js__WEBPACK_IMPORTED_MODULE_4__["STATE"].INITED;
}
}, {
key: "layout",
value: function layout(context) {
var start = new Date();
this.renderContext = context;
if (this.renderContext) {
this.renderContext.clearRect(0, 0, this.renderport.width, this.renderport.height);
}
if (!this.hasViewPortSet) {
console.error('Please invoke method `updateViewPort` before method `layout`');
}
layoutChildren.call(this, this.elementTree.children, this.children);
this.debugInfo.layoutChildren = new Date() - start; // 计算真实的物理像素位置,用于事件处理
updateRealLayout(this.elementTree.children, this.children, this.viewport.width / this.renderport.width);
this.debugInfo.updateRealLayout = new Date() - start;
renderChildren(this.children, context);
this.debugInfo.renderChildren = new Date() - start;
this.bindEvents();
this.state = _common_util_js__WEBPACK_IMPORTED_MODULE_4__["STATE"].RENDERED;
}
}, {
key: "initRepaint",
value: function initRepaint() {
var _this4 = this;
this.on('repaint', function () {
_this4.repaint();
});
this.EE.on('one__image__render__done', function (img) {
_this4.repaint();
});
}
}, {
key: "repaint",
value: function repaint() {
var start = new Date();
Object(_common_util_js__WEBPACK_IMPORTED_MODULE_4__["repaintChildren"])(this.children);
this.emit('repaint__done');
}
}, {
key: "getChildByPos",
value: function getChildByPos(tree, x, y) {
var list = Object.keys(tree.children);
for (var i = 0; i < list.length; i++) {
var child = tree.children[list[i]];
var box = child.realLayoutBox;
if (box.realX <= x && x <= box.realX + box.width && box.realY <= y && y <= box.realY + box.height) {
if (Object.keys(child.children).length) {
return this.getChildByPos(child, x, y);
} else {
return child;
}
}
}
return tree;
}
}, {
key: "eventHandler",
value: function eventHandler(eventName) {
return function touchEventHandler(e) {
if (!this.elementTree) {
return;
}
var touch = e.touches && e.touches[0] || e.changedTouches && e.changedTouches[0] || e;
if (!touch || !touch.pageX || !touch.pageY) {
return;
}
if (!touch.timeStamp) {
touch.timeStamp = e.timeStamp;
}
var item = touch && this.getChildByPos(this, touch.pageX, touch.pageY);
item && item.emit(eventName, e);
if (eventName === 'touchstart' || eventName === 'touchend') {
this.touchMsg[eventName] = touch;
}
if (eventName === 'touchend' && Object(_common_util_js__WEBPACK_IMPORTED_MODULE_4__["isClick"])(this.touchMsg)) {
item && item.emit('click', e);
}
};
}
}, {
key: "bindEvents",
value: function bindEvents() {
if (this.hasEventHandler) {
return;
}
this.hasEventHandler = true;
if (typeof wx !== 'undefined') {
wx.onTouchStart(this.touchStart);
wx.onTouchMove(this.touchMove);
wx.onTouchEnd(this.touchEnd);
wx.onTouchCancel(this.touchCancel);
} else {
document.onmousedown = this.touchStart;
document.onmousemove = this.touchMove;
document.onmouseup = this.touchEnd;
document.onmouseleave = this.touchEnd;
}
}
}, {
key: "emit",
value: function emit(event, data) {
EE.emit(event, data);
}
}, {
key: "on",
value: function on(event, callback) {
EE.on(event, callback);
}
}, {
key: "once",
value: function once(event, callback) {
EE.once(event, callback);
}
}, {
key: "off",
value: function off(event, callback) {
EE.off(event, callback);
}
}, {
key: "getElementsById",
value: function getElementsById(id) {
return _getElementsById(this, [], id);
}
}, {
key: "getElementsByClassName",
value: function getElementsByClassName(className) {
return _getElementsByClassName(this, [], className);
}
}, {
key: "destroyAll",
value: function destroyAll(tree) {
var _this5 = this;
if (!tree) {
tree = this;
}
var children = tree.children;
children.forEach(function (child) {
child.destroy();
_this5.destroyAll(child);
child.destroySelf && child.destroySelf();
});
}
}, {
key: "clear",
value: function clear() {
this.destroyAll();
this.elementTree = null;
this.children = [];
this.layoutTree = {};
this.state = _common_util_js__WEBPACK_IMPORTED_MODULE_4__["STATE"].CLEAR;
canvasPool.getList().forEach(function (item) {
item.context && item.context.clearRect(0, 0, item.canvas.width, item.canvas.height);
item.elements = [];
item.canvas = null;
item.context = null;
});
if (this.renderContext) {
this.renderContext.clearRect(0, 0, this.renderContext.canvas.width, this.renderContext.canvas.height);
}
/*['touchstart', 'touchmove', 'touchcancel', 'touchend', 'click', 'repaint'].forEach(eventName => {
this.off(eventName);
});*/
this.EE.off('image__render__done');
}
}, {
key: "clearPool",
value: function clearPool() {
imgPool.clear();
canvasPool.clear();
}
}, {
key: "clearAll",
value: function clearAll() {
this.clear();
this.clearPool();
}
}, {
key: "loadImgs",
value: function loadImgs(arr) {
arr.forEach(function (src) {
var img = Object(_common_util_js__WEBPACK_IMPORTED_MODULE_4__["createImage"])();
imgPool.set(src, img);
img.onload = function () {
img.loadDone = true;
};
img.onloadcbks = [];
img.src = src;
});
}
}, {
key: "registBitMapFont",
value: function registBitMapFont(name, src, config) {
var font = new _common_bitMapFont__WEBPACK_IMPORTED_MODULE_6__["default"](name, src, config);
this.bitMapFonts.push(font);
}
}]);
return _Layout;
}(_components_elements_js__WEBPACK_IMPORTED_MODULE_0__["default"]);
var Layout = new _Layout({
style: {
width: 0,
height: 0
},
name: 'layout'
});
/* harmony default export */ __webpack_exports__["default"] = (Layout);
/***/ }),
/* 1 */
/***/ (function(module, __webpack_exports__, __webpack_require__) {
"use strict";
__webpack_require__.r(__webpack_exports__);
/* harmony export (binding) */ __webpack_require__.d(__webpack_exports__, "default", function() { return Element; });
/* harmony import */ var _style_js__WEBPACK_IMPORTED_MODULE_0__ = __webpack_require__(2);
function _classCallCheck(instance, Constructor) { if (!(instance instanceof Constructor)) { throw new TypeError("Cannot call a class as a function"); } }
function _defineProperties(target, props) { for (var i = 0; i < props.length; i++) { var descriptor = props[i]; descriptor.enumerable = descriptor.enumerable || false; descriptor.configurable = true; if ("value" in descriptor) descriptor.writable = true; Object.defineProperty(target, descriptor.key, descriptor); } }
function _createClass(Constructor, protoProps, staticProps) { if (protoProps) _defineProperties(Constructor.prototype, protoProps); if (staticProps) _defineProperties(Constructor, staticProps); return Constructor; }
var Emitter = __webpack_require__(3); // 全局事件管道
var EE = new Emitter();
var uuid = 0;
var dpr = 1;
function hexToRgb(hex) {
var result = /^#?([a-f\d]{2})([a-f\d]{2})([a-f\d]{2})$/i.exec(hex);
return result ? {
r: parseInt(result[1], 16),
g: parseInt(result[2], 16),
b: parseInt(result[3], 16)
} : null;
}
function getRgba(hex, opacity) {
var rgbObj = hexToRgb(hex);
if (opacity == undefined) {
opacity = 1;
}
return "rgba(".concat(rgbObj.r, ", ").concat(rgbObj.g, ", ").concat(rgbObj.b, ", ").concat(opacity, ")");
}
var toEventName = function toEventName(event, id) {
var elementEvent = ['click', 'touchstart', 'touchmove', 'touchend', 'touchcancel'];
if (elementEvent.indexOf(event) !== -1) {
return "element-".concat(id, "-").concat(event);
}
return "element-".concat(id, "-").concat(event);
};
var Element = /*#__PURE__*/function () {
function Element(_ref) {
var _this = this;
var _ref$style = _ref.style,
style = _ref$style === void 0 ? {} : _ref$style,
_ref$props = _ref.props,
props = _ref$props === void 0 ? {} : _ref$props,
_ref$idName = _ref.idName,
idName = _ref$idName === void 0 ? '' : _ref$idName,
_ref$className = _ref.className,
className = _ref$className === void 0 ? '' : _ref$className,
_ref$id = _ref.id,
id = _ref$id === void 0 ? ++uuid : _ref$id;
_classCallCheck(this, Element);
this.children = [];
this.childMap = {};
this.parent = null;
this.parentId = 0;
this.id = id;
this.props = props;
this.idName = idName;
this.className = className;
this.style = style;
this.EE = EE;
this.root = null;
this.isDestroyed = false;
this.layoutBox = {};
if (style.opacity !== undefined && style.color && style.color.indexOf('#') > -1) {
style.color = getRgba(style.color, style.opacity);
}
if (style.opacity !== undefined && style.backgroundColor && style.backgroundColor.indexOf('#') > -1) {
style.backgroundColor = getRgba(style.backgroundColor, style.opacity);
}
for (var key in this.style) {
if (_style_js__WEBPACK_IMPORTED_MODULE_0__["scalableStyles"].indexOf(key) > -1) {
this.style[key] *= dpr;
}
} // 事件冒泡逻辑
['touchstart', 'touchmove', 'touchcancel', 'touchend', 'click'].forEach(function (eventName) {
_this.on(eventName, function (e, touchMsg) {
_this.parent && _this.parent.emit(eventName, e, touchMsg);
});
});
this.initRepaint();
}
_createClass(Element, [{
key: "initRepaint",
value: function initRepaint() {
var _this2 = this;
this.on('repaint', function (e) {
_this2.parent && _this2.parent.emit('repaint', e);
});
} // 子类填充实现
}, {
key: "repaint",
value: function repaint() {} // 子类填充实现
}, {
key: "insert",
value: function insert() {}
}, {
key: "checkNeedRender",
value: function checkNeedRender() {
return true;
} // 子类填充实现
}, {
key: "destroy",
value: function destroy() {
var _this3 = this;
['touchstart', 'touchmove', 'touchcancel', 'touchend', 'click', 'repaint'].forEach(function (eventName) {
_this3.off(eventName);
});
this.EE.off('image__render__done');
this.isDestroyed = true;
this.EE = null;
/*this.root = null;*/
this.parent = null;
this.ctx = null;
this.realLayoutBox = null;
this.layoutBox = null;
this.props = null;
this.style = null;
if (this.renderBoxes) {
this.renderBoxes = null;
}
}
}, {
key: "add",
value: function add(element) {
element.parent = this;
element.parentId = this.id;
this.children.push(element);
}
}, {
key: "emit",
value: function emit(event) {
for (var _len = arguments.length, theArgs = new Array(_len > 1 ? _len - 1 : 0), _key = 1; _key < _len; _key++) {
theArgs[_key - 1] = arguments[_key];
}
EE.emit.apply(EE, [toEventName(event, this.id)].concat(theArgs));
}
}, {
key: "on",
value: function on(event, callback) {
EE.on(toEventName(event, this.id), callback);
}
}, {
key: "once",
value: function once(event, callback) {
EE.once(toEventName(event, this.id), callback);
}
}, {
key: "off",
value: function off(event, callback) {
EE.off(toEventName(event, this.id), callback);
} // 方便子类实现borderRadius
}, {
key: "roundRect",
value: function roundRect(ctx, layoutBox) {
var style = this.style || {};
var box = layoutBox || this.layoutBox;
var w = box.width;
var h = box.height;
var r = style.borderRadius;
var x = box.absoluteX;
var y = box.absoluteY;
ctx.moveTo(x + r, y);
ctx.arcTo(x + w, y, x + w, y + h, r);
ctx.arcTo(x + w, y + h, x, y + h, r);
ctx.arcTo(x, y + h, x, y, r);
ctx.arcTo(x, y, x + w, y, r);
ctx.clip();
}
}, {
key: "renderBorder",
value: function renderBorder(ctx, layoutBox) {
var style = this.style || {};
if (style.borderRadius) {
this.roundRect(ctx, layoutBox);
}
ctx.save();
var box = layoutBox || this.layoutBox;
var borderWidth = style.borderWidth || 0;
var borderLeftWidth = style.borderLeftWidth || 0;
var borderRightWidth = style.borderRightWidth || 0;
var borderTopWidth = style.borderTopWidth || 0;
var borderBottomWidth = style.borderBottomWidth || 0;
var radius = style.borderRadius || 0;
var borderColor = style.borderColor;
var drawX = box.absoluteX;
var drawY = box.absoluteY;
ctx.beginPath();
if (borderWidth && borderColor) {
ctx.lineWidth = borderWidth;
ctx.strokeStyle = borderColor;
ctx.strokeRect(drawX, drawY, box.width, box.height);
}
if (borderTopWidth && (borderColor || style.borderTopColor)) {
ctx.lineWidth = borderTopWidth;
ctx.strokeStyle = style.borderTopColor || borderColor;
ctx.moveTo(radius ? drawX + radius : drawX, drawY + borderTopWidth / 2);
ctx.lineTo(radius ? drawX + box.width - radius : drawX + box.width, drawY + borderTopWidth / 2);
}
if (borderBottomWidth && (borderColor || style.borderBottomColor)) {
ctx.lineWidth = borderBottomWidth;
ctx.strokeStyle = style.borderBottomColor || borderColor;
ctx.moveTo(radius ? drawX + radius : drawX, drawY + box.height - borderBottomWidth / 2);
ctx.lineTo(radius ? drawX + box.width - radius : drawX + box.width, drawY + box.height - borderBottomWidth / 2);
}
if (borderLeftWidth && (borderColor || style.borderLeftColor)) {
ctx.lineWidth = borderLeftWidth;
ctx.strokeStyle = style.borderLeftColor || borderColor;
ctx.moveTo(drawX + borderLeftWidth / 2, radius ? drawY + radius : drawY);
ctx.lineTo(drawX + borderLeftWidth / 2, radius ? drawY + box.height - radius : drawY + box.height);
}
if (borderRightWidth && (borderColor || style.borderRightColor)) {
ctx.lineWidth = borderRightWidth;
ctx.strokeStyle = style.borderRightColor || borderColor;
ctx.moveTo(drawX + box.width - borderRightWidth / 2, radius ? drawY + radius : drawY);
ctx.lineTo(drawX + box.width - borderRightWidth / 2, radius ? drawY + box.height - radius : drawY + box.height);
}
ctx.closePath();
ctx.stroke();
ctx.restore();
}
}]);
return Element;
}();
/***/ }),
/* 2 */
/***/ (function(module, __webpack_exports__, __webpack_require__) {
"use strict";
__webpack_require__.r(__webpack_exports__);
/* harmony export (binding) */ __webpack_require__.d(__webpack_exports__, "scalableStyles", function() { return scalableStyles; });
/* harmony export (binding) */ __webpack_require__.d(__webpack_exports__, "textStyles", function() { return textStyles; });
/* harmony export (binding) */ __webpack_require__.d(__webpack_exports__, "layoutAffectedStyles", function() { return layoutAffectedStyles; });
var textStyles = ['color', 'fontSize', 'textAlign', 'fontWeight', 'lineHeight', 'lineBreak'];
var scalableStyles = ['left', 'top', 'right', 'bottom', 'width', 'height', 'margin', 'marginLeft', 'marginRight', 'marginTop', 'marginBottom', 'padding', 'paddingLeft', 'paddingRight', 'paddingTop', 'paddingBottom', 'fontSize', 'lineHeight', 'borderRadius', 'minWidth', 'maxWidth', 'minHeight', 'maxHeight'];
var layoutAffectedStyles = ['margin', 'marginTop', 'marginBottom', 'marginLeft', 'marginRight', 'padding', 'paddingTop', 'paddingBottom', 'paddingLeft', 'paddingRight', 'width', 'height'];
/***/ }),
/* 3 */
/***/ (function(module, exports) {
function E () {
// Keep this empty so it's easier to inherit from
// (via https://github.com/lipsmack from https://github.com/scottcorgan/tiny-emitter/issues/3)
}
E.prototype = {
on: function (name, callback, ctx) {
var e = this.e || (this.e = {});
(e[name] || (e[name] = [])).push({
fn: callback,
ctx: ctx
});
return this;
},
once: function (name, callback, ctx) {
var self = this;
function listener () {
self.off(name, listener);
callback.apply(ctx, arguments);
};
listener._ = callback
return this.on(name, listener, ctx);
},
emit: function (name) {
var data = [].slice.call(arguments, 1);
var evtArr = ((this.e || (this.e = {}))[name] || []).slice();
var i = 0;
var len = evtArr.length;
for (i; i < len; i++) {
evtArr[i].fn.apply(evtArr[i].ctx, data);
}
return this;
},
off: function (name, callback) {
var e = this.e || (this.e = {});
var evts = e[name];
var liveEvents = [];
if (evts && callback) {
for (var i = 0, len = evts.length; i < len; i++) {
if (evts[i].fn !== callback && evts[i].fn._ !== callback)
liveEvents.push(evts[i]);
}
}
// Remove event from queue to prevent memory leak
// Suggested by https://github.com/lazd
// Ref: https://github.com/scottcorgan/tiny-emitter/commit/c6ebfaa9bc973b33d110a84a307742b7cf94c953#commitcomment-5024910
(liveEvents.length)
? e[name] = liveEvents
: delete e[name];
return this;
}
};
module.exports = E;
module.exports.TinyEmitter = E;
/***/ }),
/* 4 */
/***/ (function(module, __webpack_exports__, __webpack_require__) {
"use strict";
__webpack_require__.r(__webpack_exports__);
/* harmony export (binding) */ __webpack_require__.d(__webpack_exports__, "default", function() { return Pool; });
function _classCallCheck(instance, Constructor) { if (!(instance instanceof Constructor)) { throw new TypeError("Cannot call a class as a function"); } }
function _defineProperties(target, props) { for (var i = 0; i < props.length; i++) { var descriptor = props[i]; descriptor.enumerable = descriptor.enumerable || false; descriptor.configurable = true; if ("value" in descriptor) descriptor.writable = true; Object.defineProperty(target, descriptor.key, descriptor); } }
function _createClass(Constructor, protoProps, staticProps) { if (protoProps) _defineProperties(Constructor.prototype, protoProps); if (staticProps) _defineProperties(Constructor, staticProps); return Constructor; }
var pools = [];
var Pool = /*#__PURE__*/function () {
function Pool() {
var name = arguments.length > 0 && arguments[0] !== undefined ? arguments[0] : 'pool';
_classCallCheck(this, Pool);
var curr = pools.find(function (item) {
return item.name === name;
});
if (curr) {
return curr;
}
this.name = name;
this.pool = {};
pools.push(this);
}
_createClass(Pool, [{
key: "get",
value: function get(key) {
return this.pool[key];
}
}, {
key: "set",
value: function set(key, value) {
this.pool[key] = value;
}
}, {
key: "clear",
value: function clear() {
this.pool = {};
}
}, {
key: "getList",
value: function getList() {
return Object.values(this.pool);
}
}]);
return Pool;
}();
/***/ }),
/* 5 */
/***/ (function(module, exports, __webpack_require__) {
var __WEBPACK_AMD_DEFINE_FACTORY__, __WEBPACK_AMD_DEFINE_ARRAY__, __WEBPACK_AMD_DEFINE_RESULT__;// UMD (Universal Module Definition)
// See https://github.com/umdjs/umd for reference
//
// This file uses the following specific UMD implementation:
// https://github.com/umdjs/umd/blob/master/returnExports.js
(function(root, factory) {
if (true) {
// AMD. Register as an anonymous module.
!(__WEBPACK_AMD_DEFINE_ARRAY__ = [], __WEBPACK_AMD_DEFINE_FACTORY__ = (factory),
__WEBPACK_AMD_DEFINE_RESULT__ = (typeof __WEBPACK_AMD_DEFINE_FACTORY__ === 'function' ?
(__WEBPACK_AMD_DEFINE_FACTORY__.apply(exports, __WEBPACK_AMD_DEFINE_ARRAY__)) : __WEBPACK_AMD_DEFINE_FACTORY__),
__WEBPACK_AMD_DEFINE_RESULT__ !== undefined && (module.exports = __WEBPACK_AMD_DEFINE_RESULT__));
} else {}
}(this, function() {
/**
* Copyright (c) 2014, Facebook, Inc.
* All rights reserved.
*
* This source code is licensed under the BSD-style license found in the
* LICENSE file in the root directory of this source tree. An additional grant
* of patent rights can be found in the PATENTS file in the same directory.
*/
var computeLayout = (function() {
var CSS_UNDEFINED;
var CSS_DIRECTION_INHERIT = 'inherit';
var CSS_DIRECTION_LTR = 'ltr';
var CSS_DIRECTION_RTL = 'rtl';
var CSS_FLEX_DIRECTION_ROW = 'row';
var CSS_FLEX_DIRECTION_ROW_REVERSE = 'row-reverse';
var CSS_FLEX_DIRECTION_COLUMN = 'column';
var CSS_FLEX_DIRECTION_COLUMN_REVERSE = 'column-reverse';
var CSS_JUSTIFY_FLEX_START = 'flex-start';
var CSS_JUSTIFY_CENTER = 'center';
var CSS_JUSTIFY_FLEX_END = 'flex-end';
var CSS_JUSTIFY_SPACE_BETWEEN = 'space-between';
var CSS_JUSTIFY_SPACE_AROUND = 'space-around';
var CSS_ALIGN_FLEX_START = 'flex-start';
var CSS_ALIGN_CENTER = 'center';
var CSS_ALIGN_FLEX_END = 'flex-end';
var CSS_ALIGN_STRETCH = 'stretch';
var CSS_POSITION_RELATIVE = 'relative';
var CSS_POSITION_ABSOLUTE = 'absolute';
var leading = {
'row': 'left',
'row-reverse': 'right',
'column': 'top',
'column-reverse': 'bottom'
};
var trailing = {
'row': 'right',
'row-reverse': 'left',
'column': 'bottom',
'column-reverse': 'top'
};
var pos = {
'row': 'left',
'row-reverse': 'right',
'column': 'top',
'column-reverse': 'bottom'
};
var dim = {
'row': 'width',
'row-reverse': 'width',
'column': 'height',
'column-reverse': 'height'
};
// When transpiled to Java / C the node type has layout, children and style
// properties. For the JavaScript version this function adds these properties
// if they don't already exist.
function fillNodes(node) {
if (!node.layout || node.isDirty) {
node.layout = {
width: undefined,
height: undefined,
top: 0,
left: 0,
right: 0,
bottom: 0
};
}
if (!node.style) {
node.style = {};
}
if (!node.children) {
node.children = [];
}
node.children.forEach(fillNodes);
return node;
}
function isUndefined(value) {
return value === undefined;
}
function isRowDirection(flexDirection) {
return flexDirection === CSS_FLEX_DIRECTION_ROW ||
flexDirection === CSS_FLEX_DIRECTION_ROW_REVERSE;
}
function isColumnDirection(flexDirection) {
return flexDirection === CSS_FLEX_DIRECTION_COLUMN ||
flexDirection === CSS_FLEX_DIRECTION_COLUMN_REVERSE;
}
function getLeadingMargin(node, axis) {
if (node.style.marginStart !== undefined && isRowDirection(axis)) {
return node.style.marginStart;
}
var value = null;
switch (axis) {
case 'row': value = node.style.marginLeft; break;
case 'row-reverse': value = node.style.marginRight; break;
case 'column': value = node.style.marginTop; break;
case 'column-reverse': value = node.style.marginBottom; break;
}
if (value !== undefined) {
return value;
}
if (node.style.margin !== undefined) {
return node.style.margin;
}
return 0;
}
function getTrailingMargin(node, axis) {
if (node.style.marginEnd !== undefined && isRowDirection(axis)) {
return node.style.marginEnd;
}
var value = null;
switch (axis) {
case 'row': value = node.style.marginRight; break;
case 'row-reverse': value = node.style.marginLeft; break;
case 'column': value = node.style.marginBottom; break;
case 'column-reverse': value = node.style.marginTop; break;
}
if (value != null) {
return value;
}
if (node.style.margin !== undefined) {
return node.style.margin;
}
return 0;
}
function getLeadingPadding(node, axis) {
if (node.style.paddingStart !== undefined && node.style.paddingStart >= 0
&& isRowDirection(axis)) {
return node.style.paddingStart;
}
var value = null;
switch (axis) {
case 'row': value = node.style.paddingLeft; break;
case 'row-reverse': value = node.style.paddingRight; break;
case 'column': value = node.style.paddingTop; break;
case 'column-reverse': value = node.style.paddingBottom; break;
}
if (value != null && value >= 0) {
return value;
}
if (node.style.padding !== undefined && node.style.padding >= 0) {
return node.style.padding;
}
return 0;
}
function getTrailingPadding(node, axis) {
if (node.style.paddingEnd !== undefined && node.style.paddingEnd >= 0
&& isRowDirection(axis)) {
return node.style.paddingEnd;
}
var value = null;
switch (axis) {
case 'row': value = node.style.paddingRight; break;
case 'row-reverse': value = node.style.paddingLeft; break;
case 'column': value = node.style.paddingBottom; break;
case 'column-reverse': value = node.style.paddingTop; break;
}
if (value != null && value >= 0) {
return value;
}
if (node.style.padding !== undefined && node.style.padding >= 0) {
return node.style.padding;
}
return 0;
}
function getLeadingBorder(node, axis) {
if (node.style.borderStartWidth !== undefined && node.style.borderStartWidth >= 0
&& isRowDirection(axis)) {
return node.style.borderStartWidth;
}
var value = null;
switch (axis) {
case 'row': value = node.style.borderLeftWidth; break;
case 'row-reverse': value = node.style.borderRightWidth; break;
case 'column': value = node.style.borderTopWidth; break;
case 'column-reverse': value = node.style.borderBottomWidth; break;
}
if (value != null && value >= 0) {
return value;
}
if (node.style.borderWidth !== undefined && node.style.borderWidth >= 0) {
return node.style.borderWidth;
}
return 0;
}
function getTrailingBorder(node, axis) {
if (node.style.borderEndWidth !== undefined && node.style.borderEndWidth >= 0
&& isRowDirection(axis)) {
return node.style.borderEndWidth;
}
var value = null;
switch (axis) {
case 'row': value = node.style.borderRightWidth; break;
case 'row-reverse': value = node.style.borderLeftWidth; break;
case 'column': value = node.style.borderBottomWidth; break;
case 'column-reverse': value = node.style.borderTopWidth; break;
}
if (value != null && value >= 0) {
return value;
}
if (node.style.borderWidth !== undefined && node.style.borderWidth >= 0) {
return node.style.borderWidth;
}
return 0;
}
function getLeadingPaddingAndBorder(node, axis) {
return getLeadingPadding(node, axis) + getLeadingBorder(node, axis);
}
function getTrailingPaddingAndBorder(node, axis) {
return getTrailingPadding(node, axis) + getTrailingBorder(node, axis);
}
function getBorderAxis(node, axis) {
return getLeadingBorder(node, axis) + getTrailingBorder(node, axis);
}
function getMarginAxis(node, axis) {
return getLeadingMargin(node, axis) + getTrailingMargin(node, axis);
}
function getPaddingAndBorderAxis(node, axis) {
return getLeadingPaddingAndBorder(node, axis) +
getTrailingPaddingAndBorder(node, axis);
}
function getJustifyContent(node) {
if (node.style.justifyContent) {
return node.style.justifyContent;
}
return 'flex-start';
}
function getAlignContent(node) {
if (node.style.alignContent) {
return node.style.alignContent;
}
return 'flex-start';
}
function getAlignItem(node, child) {
if (child.style.alignSelf) {
return child.style.alignSelf;
}
if (node.style.alignItems) {
return node.style.alignItems;
}
return 'stretch';
}
function resolveAxis(axis, direction) {
if (direction === CSS_DIRECTION_RTL) {
if (axis === CSS_FLEX_DIRECTION_ROW) {
return CSS_FLEX_DIRECTION_ROW_REVERSE;
} else if (axis === CSS_FLEX_DIRECTION_ROW_REVERSE) {
return CSS_FLEX_DIRECTION_ROW;
}
}
return axis;
}
function resolveDirection(node, parentDirection) {
var direction;
if (node.style.direction) {
direction = node.style.direction;
} else {
direction = CSS_DIRECTION_INHERIT;
}
if (direction === CSS_DIRECTION_INHERIT) {
direction = (parentDirection === undefined ? CSS_DIRECTION_LTR : parentDirection);
}
return direction;
}
function getFlexDirection(node) {
if (node.style.flexDirection) {
return node.style.flexDirection;
}
return CSS_FLEX_DIRECTION_COLUMN;
}
function getCrossFlexDirection(flexDirection, direction) {
if (isColumnDirection(flexDirection)) {
return resolveAxis(CSS_FLEX_DIRECTION_ROW, direction);
} else {
return CSS_FLEX_DIRECTION_COLUMN;
}
}
function getPositionType(node) {
if (node.style.position) {
return node.style.position;
}
return 'relative';
}
function isFlex(node) {
return (
getPositionType(node) === CSS_POSITION_RELATIVE &&
node.style.flex > 0
);
}
function isFlexWrap(node) {
return node.style.flexWrap === 'wrap';
}
function getDimWithMargin(node, axis) {
return node.layout[dim[axis]] + getMarginAxis(node, axis);
}
function isDimDefined(node, axis) {
return node.style[dim[axis]] !== undefined && node.style[dim[axis]] >= 0;
}
function isPosDefined(node, pos) {
return node.style[pos] !== undefined;
}
function isMeasureDefined(node) {
return node.style.measure !== undefined;
}
function getPosition(node, pos) {
if (node.style[pos] !== undefined) {
return node.style[pos];
}
return 0;
}
function boundAxis(node, axis, value) {
var min = {
'row': node.style.minWidth,
'row-reverse': node.style.minWidth,
'column': node.style.minHeight,
'column-reverse': node.style.minHeight
}[axis];
var max = {
'row': node.style.maxWidth,
'row-reverse': node.style.maxWidth,
'column': node.style.maxHeight,
'column-reverse': node.style.maxHeight
}[axis];
var boundValue = value;
if (max !== undefined && max >= 0 && boundValue > max) {
boundValue = max;
}
if (min !== undefined && min >= 0 && boundValue < min) {
boundValue = min;
}
return boundValue;
}
function fmaxf(a, b) {
if (a > b) {
return a;
}
return b;
}
// When the user specifically sets a value for width or height
function setDimensionFromStyle(node, axis) {
// The parent already computed us a width or height. We just skip it
if (node.layout[dim[axis]] !== undefined) {
return;
}
// We only run if there's a width or height defined
if (!isDimDefined(node, axis)) {
return;
}
// The dimensions can never be smaller than the padding and border
node.layout[dim[axis]] = fmaxf(
boundAxis(node, axis, node.style[dim[axis]]),
getPaddingAndBorderAxis(node, axis)
);
}
function setTrailingPosition(node, child, axis) {
child.layout[trailing[axis]] = node.layout[dim[axis]] -
child.layout[dim[axis]] - child.layout[pos[axis]];
}
// If both left and right are defined, then use left. Otherwise return
// +left or -right depending on which is defined.
function getRelativePosition(node, axis) {
if (node.style[leading[axis]] !== undefined) {
return getPosition(node, leading[axis]);
}
return -getPosition(node, trailing[axis]);
}
function layoutNodeImpl(node, parentMaxWidth, /*css_direction_t*/parentDirection) {
var/*css_direction_t*/ direction = resolveDirection(node, parentDirection);
var/*(c)!css_flex_direction_t*//*(java)!int*/ mainAxis = resolveAxis(getFlexDirection(node), direction);
var/*(c)!css_flex_direction_t*//*(java)!int*/ crossAxis = getCrossFlexDirection(mainAxis, direction);
var/*(c)!css_flex_direction_t*//*(java)!int*/ resolvedRowAxis = resolveAxis(CSS_FLEX_DIRECTION_ROW, direction);
// Handle width and height style attributes
setDimensionFromStyle(node, mainAxis);
setDimensionFromStyle(node, crossAxis);
// Set the resolved resolution in the node's layout
node.layout.direction = direction;
// The position is set by the parent, but we need to complete it with a
// delta composed of the margin and left/top/right/bottom
node.layout[leading[mainAxis]] += getLeadingMargin(node, mainAxis) +
getRelativePosition(node, mainAxis);
node.layout[trailing[mainAxis]] += getTrailingMargin(node, mainAxis) +
getRelativePosition(node, mainAxis);
node.layout[leading[crossAxis]] += getLeadingMargin(node, crossAxis) +
getRelativePosition(node, crossAxis);
node.layout[trailing[crossAxis]] += getTrailingMargin(node, crossAxis) +
getRelativePosition(node, crossAxis);
// Inline immutable values from the target node to avoid excessive method
// invocations during the layout calculation.
var/*int*/ childCount = node.children.length;
var/*float*/ paddingAndBorderAxisResolvedRow = getPaddingAndBorderAxis(node, resolvedRowAxis);
if (isMeasureDefined(node)) {
var/*bool*/ isResolvedRowDimDefined = !isUndefined(node.layout[dim[resolvedRowAxis]]);
var/*float*/ width = CSS_UNDEFINED;
if (isDimDefined(node, resolvedRowAxis)) {
width = node.style.width;
} else if (isResolvedRowDimDefined) {
width = node.layout[dim[resolvedRowAxis]];
} else {
width = parentMaxWidth -
getMarginAxis(node, resolvedRowAxis);
}
width -= paddingAndBorderAxisResolvedRow;
// We only need to give a dimension for the text if we haven't got any
// for it computed yet. It can either be from the style attribute or because
// the element is flexible.
var/*bool*/ isRowUndefined = !isDimDefined(node, resolvedRowAxis) && !isResolvedRowDimDefined;
var/*bool*/ isColumnUndefined = !isDimDefined(node, CSS_FLEX_DIRECTION_COLUMN) &&
isUndefined(node.layout[dim[CSS_FLEX_DIRECTION_COLUMN]]);
// Let's not measure the text if we already know both dimensions
if (isRowUndefined || isColumnUndefined) {
var/*css_dim_t*/ measureDim = node.style.measure(
/*(c)!node->context,*/
/*(java)!layoutContext.measureOutput,*/
width
);
if (isRowUndefined) {
node.layout.width = measureDim.width +
paddingAndBorderAxisResolvedRow;
}
if (isColumnUndefined) {
node.layout.height = measureDim.height +
getPaddingAndBorderAxis(node, CSS_FLEX_DIRECTION_COLUMN);
}
}
if (childCount === 0) {
return;
}
}
var/*bool*/ isNodeFlexWrap = isFlexWrap(node);
var/*css_justify_t*/ justifyContent = getJustifyContent(node);
var/*float*/ leadingPaddingAndBorderMain = getLeadingPaddingAndBorder(node, mainAxis);
var/*float*/ leadingPaddingAndBorderCross = getLeadingPaddingAndBorder(node, crossAxis);
var/*float*/ paddingAndBorderAxisMain = getPaddingAndBorderAxis(node, mainAxis);
var/*float*/ paddingAndBorderAxisCross = getPaddingAndBorderAxis(node, crossAxis);
var/*bool*/ isMainDimDefined = !isUndefined(node.layout[dim[mainAxis]]);
var/*bool*/ isCrossDimDefined = !isUndefined(node.layout[dim[crossAxis]]);
var/*bool*/ isMainRowDirection = isRowDirection(mainAxis);
var/*int*/ i;
var/*int*/ ii;
var/*css_node_t**/ child;
var/*(c)!css_flex_direction_t*//*(java)!int*/ axis;
var/*css_node_t**/ firstAbsoluteChild = null;
var/*css_node_t**/ currentAbsoluteChild = null;
var/*float*/ definedMainDim = CSS_UNDEFINED;
if (isMainDimDefined) {
definedMainDim = node.layout[dim[mainAxis]] - paddingAndBorderAxisMain;
}
// We want to execute the next two loops one per line with flex-wrap
var/*int*/ startLine = 0;
var/*int*/ endLine = 0;
// var/*int*/ nextOffset = 0;
var/*int*/ alreadyComputedNextLayout = 0;
// We aggregate the total dimensions of the container in those two variables
var/*float*/ linesCrossDim = 0;
var/*float*/ linesMainDim = 0;
var/*int*/ linesCount = 0;
while (endLine < childCount) {
// <Loop A> Layout non flexible children and count children by type
// mainContentDim is accumulation of the dimensions and margin of all the
// non flexible children. This will be used in order to either set the
// dimensions of the node if none already exist, or to compute the
// remaining space left for the flexible children.
var/*float*/ mainContentDim = 0;
// There are three kind of children, non flexible, flexible and absolute.
// We need to know how many there are in order to distribute the space.
var/*int*/ flexibleChildrenCount = 0;
var/*float*/ totalFlexible = 0;
var/*int*/ nonFlexibleChildrenCount = 0;
// Use the line loop to position children in the main axis for as long
// as they are using a simple stacking behaviour. Children that are
// immediately stacked in the initial loop will not be touched again
// in <Loop C>.
var/*bool*/ isSimpleStackMain =
(isMainDimDefined && justifyContent === CSS_JUSTIFY_FLEX_START) ||
(!isMainDimDefined && justifyContent !== CSS_JUSTIFY_CENTER);
var/*int*/ firstComplexMain = (isSimpleStackMain ? childCount : startLine);
// Use the initial line loop to position children in the cross axis for
// as long as they are relatively positioned with alignment STRETCH or
// FLEX_START. Children that are immediately stacked in the initial loop
// will not be touched again in <Loop D>.
var/*bool*/ isSimpleStackCross = true;
var/*int*/ firstComplexCross = childCount;
var/*css_node_t**/ firstFlexChild = null;
var/*css_node_t**/ currentFlexChild = null;
var/*float*/ mainDim = leadingPaddingAndBorderMain;
var/*float*/ crossDim = 0;
var/*float*/ maxWidth;
for (i = startLine; i < childCount; ++i) {
child = node.children[i];
child.lineIndex = linesCount;
child.nextAbsoluteChild = null;
child.nextFlexChild = null;
var/*css_align_t*/ alignItem = getAlignItem(node, child);
// Pre-fill cross axis dimensions when the child is using stretch before
// we call the recursive layout pass
if (alignItem === CSS_ALIGN_STRETCH &&
getPositionType(child) === CSS_POSITION_RELATIVE &&
isCrossDimDefined &&
!isDimDefined(child, crossAxis)) {
child.layout[dim[crossAxis]] = fmaxf(
boundAxis(child, crossAxis, node.layout[dim[crossAxis]] -
paddingAndBorderAxisCross - getMarginAxis(child, crossAxis)),
// You never want to go smaller than padding
getPaddingAndBorderAxis(child, crossAxis)
);
} else if (getPositionType(child) === CSS_POSITION_ABSOLUTE) {
// Store a private linked list of absolutely positioned children
// so that we can efficiently traverse them later.
if (firstAbsoluteChild === null) {
firstAbsoluteChild = child;
}
if (currentAbsoluteChild !== null) {
currentAbsoluteChild.nextAbsoluteChild = child;
}
currentAbsoluteChild = child;
// Pre-fill dimensions when using absolute position and both offsets for the axis are defined (either both
// left and right or top and bottom).
for (ii = 0; ii < 2; ii++) {
axis = (ii !== 0) ? CSS_FLEX_DIRECTION_ROW : CSS_FLEX_DIRECTION_COLUMN;
if (!isUndefined(node.layout[dim[axis]]) &&
!isDimDefined(child, axis) &&
isPosDefined(child, leading[axis]) &&
isPosDefined(child, trailing[axis])) {
child.layout[dim[axis]] = fmaxf(
boundAxis(child, axis, node.layout[dim[axis]] -
getPaddingAndBorderAxis(node, axis) -
getMarginAxis(child, axis) -
getPosition(child, leading[axis]) -
getPosition(child, trailing[axis])),
// You never want to go smaller than padding
getPaddingAndBorderAxis(child, axis)
);
}
}
}
var/*float*/ nextContentDim = 0;
// It only makes sense to consider a child flexible if we have a computed
// dimension for the node.
if (isMainDimDefined && isFlex(child)) {
flexibleChildrenCount++;
totalFlexible += child.style.flex;
// Store a private linked list of flexible children so that we can
// efficiently traverse them later.
if (firstFlexChild === null) {
firstFlexChild = child;
}
if (currentFlexChild !== null) {
currentFlexChild.nextFlexChild = child;
}
currentFlexChild = child;
// Even if we don't know its exact size yet, we already know the padding,
// border and margin. We'll use this partial information, which represents
// the smallest possible size for the child, to compute the remaining
// available space.
nextContentDim = getPaddingAndBorderAxis(child, mainAxis) +
getMarginAxis(child, mainAxis);
} else {
maxWidth = CSS_UNDEFINED;
if (!isMainRowDirection) {
if (isDimDefined(node, resolvedRowAxis)) {
maxWidth = node.layout[dim[resolvedRowAxis]] -
paddingAndBorderAxisResolvedRow;
} else {
maxWidth = parentMaxWidth -
getMarginAxis(node, resolvedRowAxis) -
paddingAndBorderAxisResolvedRow;
}
}
// This is the main recursive call. We layout non flexible children.
if (alreadyComputedNextLayout === 0) {
layoutNode(/*(java)!layoutContext, */child, maxWidth, direction);
}
// Absolute positioned elements do not take part of the layout, so we
// don't use them to compute mainContentDim
if (getPositionType(child) === CSS_POSITION_RELATIVE) {
nonFlexibleChildrenCount++;
// At this point we know the final size and margin of the element.
nextContentDim = getDimWithMargin(child, mainAxis);
}
}
// The element we are about to add would make us go to the next line
if (isNodeFlexWrap &&
isMainDimDefined &&
mainContentDim + nextContentDim > definedMainDim &&
// If there's only one element, then it's bigger than the content
// and needs its own line
i !== startLine) {
nonFlexibleChildrenCount--;
alreadyComputedNextLayout = 1;
break;
}
// Disable simple stacking in the main axis for the current line as
// we found a non-trivial child. The remaining children will be laid out
// in <Loop C>.
if (isSimpleStackMain &&
(getPositionType(child) !== CSS_POSITION_RELATIVE || isFlex(child))) {
isSimpleStackMain = false;
firstComplexMain = i;
}
// Disable simple stacking in the cross axis for the current line as
// we found a non-trivial child. The remaining children will be laid out
// in <Loop D>.
if (isSimpleStackCross &&
(getPositionType(child) !== CSS_POSITION_RELATIVE ||
(alignItem !== CSS_ALIGN_STRETCH && alignItem !== CSS_ALIGN_FLEX_START) ||
isUndefined(child.layout[dim[crossAxis]]))) {
isSimpleStackCross = false;
firstComplexCross = i;
}
if (isSimpleStackMain) {
child.layout[pos[mainAxis]] += mainDim;
if (isMainDimDefined) {
setTrailingPosition(node, child, mainAxis);
}
mainDim += getDimWithMargin(child, mainAxis);
crossDim = fmaxf(crossDim, boundAxis(child, crossAxis, getDimWithMargin(child, crossAxis)));
}
if (isSimpleStackCross) {
child.layout[pos[crossAxis]] += linesCrossDim + leadingPaddingAndBorderCross;
if (isCrossDimDefined) {
setTrailingPosition(node, child, crossAxis);
}
}
alreadyComputedNextLayout = 0;
mainContentDim += nextContentDim;
endLine = i + 1;
}
// <Loop B> Layout flexible children and allocate empty space
// In order to position the elements in the main axis, we have two
// controls. The space between the beginning and the first element
// and the space between each two elements.
var/*float*/ leadingMainDim = 0;
var/*float*/ betweenMainDim = 0;
// The remaining available space that needs to be allocated
var/*float*/ remainingMainDim = 0;
if (isMainDimDefined) {
remainingMainDim = definedMainDim - mainContentDim;
} else {
remainingMainDim = fmaxf(mainContentDim, 0) - mainContentDim;
}
// If there are flexible children in the mix, they are going to fill the
// remaining space
if (flexibleChildrenCount !== 0) {
var/*float*/ flexibleMainDim = remainingMainDim / totalFlexible;
var/*float*/ baseMainDim;
var/*float*/ boundMainDim;
// If the flex share of remaining space doesn't meet min/max bounds,
// remove this child from flex calculations.
currentFlexChild = firstFlexChild;
while (currentFlexChild !== null) {
baseMainDim = flexibleMainDim * currentFlexChild.style.flex +
getPaddingAndBorderAxis(currentFlexChild, mainAxis);
boundMainDim = boundAxis(currentFlexChild, mainAxis, baseMainDim);
if (baseMainDim !== boundMainDim) {
remainingMainDim -= boundMainDim;
totalFlexible -= currentFlexChild.style.flex;
}
currentFlexChild = currentFlexChild.nextFlexChild;
}
flexibleMainDim = remainingMainDim / totalFlexible;
// The non flexible children can overflow the container, in this case
// we should just assume that there is no space available.
if (flexibleMainDim < 0) {
flexibleMainDim = 0;
}
currentFlexChild = firstFlexChild;
while (currentFlexChild !== null) {
// At this point we know the final size of the element in the main
// dimension
currentFlexChild.layout[dim[mainAxis]] = boundAxis(currentFlexChild, mainAxis,
flexibleMainDim * currentFlexChild.style.flex +
getPaddingAndBorderAxis(currentFlexChild, mainAxis)
);
maxWidth = CSS_UNDEFINED;
if (isDimDefined(node, resolvedRowAxis)) {
maxWidth = node.layout[dim[resolvedRowAxis]] -
paddingAndBorderAxisResolvedRow;
} else if (!isMainRowDirection) {
maxWidth = parentMaxWidth -
getMarginAxis(node, resolvedRowAxis) -
paddingAndBorderAxisResolvedRow;
}
// And we recursively call the layout algorithm for this child
layoutNode(/*(java)!layoutContext, */currentFlexChild, maxWidth, direction);
child = currentFlexChild;
currentFlexChild = currentFlexChild.nextFlexChild;
child.nextFlexChild = null;
}
// We use justifyContent to figure out how to allocate the remaining
// space available
} else if (justifyContent !== CSS_JUSTIFY_FLEX_START) {
if (justifyContent === CSS_JUSTIFY_CENTER) {
leadingMainDim = remainingMainDim / 2;
} else if (justifyContent === CSS_JUSTIFY_FLEX_END) {
leadingMainDim = remainingMainDim;
} else if (justifyContent === CSS_JUSTIFY_SPACE_BETWEEN) {
remainingMainDim = fmaxf(remainingMainDim, 0);
if (flexibleChildrenCount + nonFlexibleChildrenCount - 1 !== 0) {
betweenMainDim = remainingMainDim /
(flexibleChildrenCount + nonFlexibleChildrenCount - 1);
} else {
betweenMainDim = 0;
}
} else if (justifyContent === CSS_JUSTIFY_SPACE_AROUND) {
// Space on the edges is half of the space between elements
betweenMainDim = remainingMainDim /
(flexibleChildrenCount + nonFlexibleChildrenCount);
leadingMainDim = betweenMainDim / 2;
}
}
// <Loop C> Position elements in the main axis and compute dimensions
// At this point, all the children have their dimensions set. We need to
// find their position. In order to do that, we accumulate data in
// variables that are also useful to compute the total dimensions of the
// container!
mainDim += leadingMainDim;
for (i = firstComplexMain; i < endLine; ++i) {
child = node.children[i];
if (getPositionType(child) === CSS_POSITION_ABSOLUTE &&
isPosDefined(child, leading[mainAxis])) {
// In case the child is position absolute and has left/top being
// defined, we override the position to whatever the user said
// (and margin/border).
child.layout[pos[mainAxis]] = getPosition(child, leading[mainAxis]) +
getLeadingBorder(node, mainAxis) +
getLeadingMargin(child, mainAxis);
} else {
// If the child is position absolute (without top/left) or relative,
// we put it at the current accumulated offset.
child.layout[pos[mainAxis]] += mainDim;
// Define the trailing position accordingly.
if (isMainDimDefined) {
setTrailingPosition(node, child, mainAxis);
}
// Now that we placed the element, we need to update the variables
// We only need to do that for relative elements. Absolute elements
// do not take part in that phase.
if (getPositionType(child) === CSS_POSITION_RELATIVE) {
// The main dimension is the sum of all the elements dimension plus
// the spacing.
mainDim += betweenMainDim + getDimWithMargin(child, mainAxis);
// The cross dimension is the max of the elements dimension since there
// can only be one element in that cross dimension.
crossDim = fmaxf(crossDim, boundAxis(child, crossAxis, getDimWithMargin(child, crossAxis)));
}
}
}
var/*float*/ containerCrossAxis = node.layout[dim[crossAxis]];
if (!isCrossDimDefined) {
containerCrossAxis = fmaxf(
// For the cross dim, we add both sides at the end because the value
// is aggregate via a max function. Intermediate negative values
// can mess this computation otherwise
boundAxis(node, crossAxis, crossDim + paddingAndBorderAxisCross),
paddingAndBorderAxisCross
);
}
// <Loop D> Position elements in the cross axis
for (i = firstComplexCross; i < endLine; ++i) {
child = node.children[i];
if (getPositionType(child) === CSS_POSITION_ABSOLUTE &&
isPosDefined(child, leading[crossAxis])) {
// In case the child is absolutely positionned and has a
// top/left/bottom/right being set, we override all the previously
// computed positions to set it correctly.
child.layout[pos[crossAxis]] = getPosition(child, leading[crossAxis]) +
getLeadingBorder(node, crossAxis) +
getLeadingMargin(child, crossAxis);
} else {
var/*float*/ leadingCrossDim = leadingPaddingAndBorderCross;
// For a relative children, we're either using alignItems (parent) or
// alignSelf (child) in order to determine the position in the cross axis
if (getPositionType(child) === CSS_POSITION_RELATIVE) {
/*eslint-disable */
// This variable is intentionally re-defined as the code is transpiled to a block scope language
var/*css_align_t*/ alignItem = getAlignItem(node, child);
/*eslint-enable */
if (alignItem === CSS_ALIGN_STRETCH) {
// You can only stretch if the dimension has not already been set
// previously.
if (isUndefined(child.layout[dim[crossAxis]])) {
child.layout[dim[crossAxis]] = fmaxf(
boundAxis(child, crossAxis, containerCrossAxis -
paddingAndBorderAxisCross - getMarginAxis(child, crossAxis)),
// You never want to go smaller than padding
getPaddingAndBorderAxis(child, crossAxis)
);
}
} else if (alignItem !== CSS_ALIGN_FLEX_START) {
// The remaining space between the parent dimensions+padding and child
// dimensions+margin.
var/*float*/ remainingCrossDim = containerCrossAxis -
paddingAndBorderAxisCross - getDimWithMargin(child, crossAxis);
if (alignItem === CSS_ALIGN_CENTER) {
leadingCrossDim += remainingCrossDim / 2;
} else { // CSS_ALIGN_FLEX_END
leadingCrossDim += remainingCrossDim;
}
}
}
// And we apply the position
child.layout[pos[crossAxis]] += linesCrossDim + leadingCrossDim;
// Define the trailing position accordingly.
if (isCrossDimDefined) {
setTrailingPosition(node, child, crossAxis);
}
}
}
linesCrossDim += crossDim;
linesMainDim = fmaxf(linesMainDim, mainDim);
linesCount += 1;
startLine = endLine;
}
// <Loop E>
//
// Note(prenaux): More than one line, we need to layout the crossAxis
// according to alignContent.
//
// Note that we could probably remove <Loop D> and handle the one line case
// here too, but for the moment this is safer since it won't interfere with
// previously working code.
//
// See specs:
// http://www.w3.org/TR/2012/CR-css3-flexbox-20120918/#layout-algorithm
// section 9.4
//
if (linesCount > 1 && isCrossDimDefined) {
var/*float*/ nodeCrossAxisInnerSize = node.layout[dim[crossAxis]] -
paddingAndBorderAxisCross;
var/*float*/ remainingAlignContentDim = nodeCrossAxisInnerSize - linesCrossDim;
var/*float*/ crossDimLead = 0;
var/*float*/ currentLead = leadingPaddingAndBorderCross;
var/*css_align_t*/ alignContent = getAlignContent(node);
if (alignContent === CSS_ALIGN_FLEX_END) {
currentLead += remainingAlignContentDim;
} else if (alignContent === CSS_ALIGN_CENTER) {
currentLead += remainingAlignContentDim / 2;
} else if (alignContent === CSS_ALIGN_STRETCH) {
if (nodeCrossAxisInnerSize > linesCrossDim) {
crossDimLead = (remainingAlignContentDim / linesCount);
}
}
var/*int*/ endIndex = 0;
for (i = 0; i < linesCount; ++i) {
var/*int*/ startIndex = endIndex;
// compute the line's height and find the endIndex
var/*float*/ lineHeight = 0;
for (ii = startIndex; ii < childCount; ++ii) {
child = node.children[ii];
if (getPositionType(child) !== CSS_POSITION_RELATIVE) {
continue;
}
if (child.lineIndex !== i) {
break;
}
if (!isUndefined(child.layout[dim[crossAxis]])) {
lineHeight = fmaxf(
lineHeight,
child.layout[dim[crossAxis]] + getMarginAxis(child, crossAxis)
);
}
}
endIndex = ii;
lineHeight += crossDimLead;
for (ii = startIndex; ii < endIndex; ++ii) {
child = node.children[ii];
if (getPositionType(child) !== CSS_POSITION_RELATIVE) {
continue;
}
var/*css_align_t*/ alignContentAlignItem = getAlignItem(node, child);
if (alignContentAlignItem === CSS_ALIGN_FLEX_START) {
child.layout[pos[crossAxis]] = currentLead + getLeadingMargin(child, crossAxis);
} else if (alignContentAlignItem === CSS_ALIGN_FLEX_END) {
child.layout[pos[crossAxis]] = currentLead + lineHeight - getTrailingMargin(child, crossAxis) - child.layout[dim[crossAxis]];
} else if (alignContentAlignItem === CSS_ALIGN_CENTER) {
var/*float*/ childHeight = child.layout[dim[crossAxis]];
child.layout[pos[crossAxis]] = currentLead + (lineHeight - childHeight) / 2;
} else if (alignContentAlignItem === CSS_ALIGN_STRETCH) {
child.layout[pos[crossAxis]] = currentLead + getLeadingMargin(child, crossAxis);
// TODO(prenaux): Correctly set the height of items with undefined
// (auto) crossAxis dimension.
}
}
currentLead += lineHeight;
}
}
var/*bool*/ needsMainTrailingPos = false;
var/*bool*/ needsCrossTrailingPos = false;
// If the user didn't specify a width or height, and it has not been set
// by the container, then we set it via the children.
if (!isMainDimDefined) {
node.layout[dim[mainAxis]] = fmaxf(
// We're missing the last padding at this point to get the final
// dimension
boundAxis(node, mainAxis, linesMainDim + getTrailingPaddingAndBorder(node, mainAxis)),
// We can never assign a width smaller than the padding and borders
paddingAndBorderAxisMain
);
if (mainAxis === CSS_FLEX_DIRECTION_ROW_REVERSE ||
mainAxis === CSS_FLEX_DIRECTION_COLUMN_REVERSE) {
needsMainTrailingPos = true;
}
}
if (!isCrossDimDefined) {
node.layout[dim[crossAxis]] = fmaxf(
// For the cross dim, we add both sides at the end because the value
// is aggregate via a max function. Intermediate negative values
// can mess this computation otherwise
boundAxis(node, crossAxis, linesCrossDim + paddingAndBorderAxisCross),
paddingAndBorderAxisCross
);
if (crossAxis === CSS_FLEX_DIRECTION_ROW_REVERSE ||
crossAxis === CSS_FLEX_DIRECTION_COLUMN_REVERSE) {
needsCrossTrailingPos = true;
}
}
// <Loop F> Set trailing position if necessary
if (needsMainTrailingPos || needsCrossTrailingPos) {
for (i = 0; i < childCount; ++i) {
child = node.children[i];
if (needsMainTrailingPos) {
setTrailingPosition(node, child, mainAxis);
}
if (needsCrossTrailingPos) {
setTrailingPosition(node, child, crossAxis);
}
}
}
// <Loop G> Calculate dimensions for absolutely positioned elements
currentAbsoluteChild = firstAbsoluteChild;
while (currentAbsoluteChild !== null) {
// Pre-fill dimensions when using absolute position and both offsets for
// the axis are defined (either both left and right or top and bottom).
for (ii = 0; ii < 2; ii++) {
axis = (ii !== 0) ? CSS_FLEX_DIRECTION_ROW : CSS_FLEX_DIRECTION_COLUMN;
if (!isUndefined(node.layout[dim[axis]]) &&
!isDimDefined(currentAbsoluteChild, axis) &&
isPosDefined(currentAbsoluteChild, leading[axis]) &&
isPosDefined(currentAbsoluteChild, trailing[axis])) {
currentAbsoluteChild.layout[dim[axis]] = fmaxf(
boundAxis(currentAbsoluteChild, axis, node.layout[dim[axis]] -
getBorderAxis(node, axis) -
getMarginAxis(currentAbsoluteChild, axis) -
getPosition(currentAbsoluteChild, leading[axis]) -
getPosition(currentAbsoluteChild, trailing[axis])
),
// You never want to go smaller than padding
getPaddingAndBorderAxis(currentAbsoluteChild, axis)
);
}
if (isPosDefined(currentAbsoluteChild, trailing[axis]) &&
!isPosDefined(currentAbsoluteChild, leading[axis])) {
currentAbsoluteChild.layout[leading[axis]] =
node.layout[dim[axis]] -
currentAbsoluteChild.layout[dim[axis]] -
getPosition(currentAbsoluteChild, trailing[axis]);
}
}
child = currentAbsoluteChild;
currentAbsoluteChild = currentAbsoluteChild.nextAbsoluteChild;
child.nextAbsoluteChild = null;
}
}
function layoutNode(node, parentMaxWidth, parentDirection) {
node.shouldUpdate = true;
var direction = node.style.direction || CSS_DIRECTION_LTR;
var skipLayout =
!node.isDirty &&
node.lastLayout &&
node.lastLayout.requestedHeight === node.layout.height &&
node.lastLayout.requestedWidth === node.layout.width &&
node.lastLayout.parentMaxWidth === parentMaxWidth &&
node.lastLayout.direction === direction;
if (skipLayout) {
node.layout.width = node.lastLayout.width;
node.layout.height = node.lastLayout.height;
node.layout.top = node.lastLayout.top;
node.layout.left = node.lastLayout.left;
} else {
if (!node.lastLayout) {
node.lastLayout = {};
}
node.lastLayout.requestedWidth = node.layout.width;
node.lastLayout.requestedHeight = node.layout.height;
node.lastLayout.parentMaxWidth = parentMaxWidth;
node.lastLayout.direction = direction;
// Reset child layouts
node.children.forEach(function(child) {
child.layout.width = undefined;
child.layout.height = undefined;
child.layout.top = 0;
child.layout.left = 0;
});
layoutNodeImpl(node, parentMaxWidth, parentDirection);
node.lastLayout.width = node.layout.width;
node.lastLayout.height = node.layout.height;
node.lastLayout.top = node.layout.top;
node.lastLayout.left = node.layout.left;
}
}
return {
layoutNodeImpl: layoutNodeImpl,
computeLayout: layoutNode,
fillNodes: fillNodes
};
})();
// This module export is only used for the purposes of unit testing this file. When
// the library is packaged this file is included within css-layout.js which forms
// the public API.
if (true) {
module.exports = computeLayout;
}
return function(node) {
/*eslint-disable */
// disabling ESLint because this code relies on the above include
computeLayout.fillNodes(node);
computeLayout.computeLayout(node);
/*eslint-enable */
};
}));
/***/ }),
/* 6 */
/***/ (function(module, __webpack_exports__, __webpack_require__) {
"use strict";
__webpack_require__.r(__webpack_exports__);
/* harmony export (binding) */ __webpack_require__.d(__webpack_exports__, "throttle", function() { return throttle; });
/* harmony export (binding) */ __webpack_require__.d(__webpack_exports__, "none", function() { return none; });
/* harmony export (binding) */ __webpack_require__.d(__webpack_exports__, "isClick", function() { return isClick; });
/* harmony export (binding) */ __webpack_require__.d(__webpack_exports__, "createCanvas", function() { return createCanvas; });
/* harmony export (binding) */ __webpack_require__.d(__webpack_exports__, "createImage", function() { return createImage; });
/* harmony export (binding) */ __webpack_require__.d(__webpack_exports__, "getDpr", function() { return getDpr; });
/* harmony export (binding) */ __webpack_require__.d(__webpack_exports__, "STATE", function() { return STATE; });
/* harmony export (binding) */ __webpack_require__.d(__webpack_exports__, "repaintChildren", function() { return repaintChildren; });
/* harmony export (binding) */ __webpack_require__.d(__webpack_exports__, "repaintTree", function() { return repaintTree; });
function throttle(fn, threshhold, scope) {
threshhold || (threshhold = 250);
var last, deferTimer;
return function () {
var context = scope || this;
var now = +new Date(),
args = arguments;
if (last && now < last + threshhold) {
// hold on to it
clearTimeout(deferTimer);
deferTimer = setTimeout(function () {
last = now;
fn.apply(context, args);
}, threshhold);
} else {
last = now;
fn.apply(context, args);
}
};
}
/* istanbul ignore next */
function none() {}
/**
* 根据触摸时长和触摸位置变化来判断是否属于点击事件
*/
function isClick(touchMsg) {
var start = touchMsg.touchstart;
var end = touchMsg.touchend;
if (!start || !end || !start.timeStamp || !end.timeStamp || start.pageX === undefined || start.pageY === undefined || end.pageX === undefined || end.pageY === undefined) {
return false;
}
var startPosX = start.pageX;
var startPosY = start.pageY;
var endPosX = end.pageX;
var endPosY = end.pageY;
var touchTimes = end.timeStamp - start.timeStamp;
return !!(Math.abs(endPosY - startPosY) < 30 && Math.abs(endPosX - startPosX) < 30 && touchTimes < 300);
}
function createCanvas() {
/* istanbul ignore if*/
if (typeof wx !== "undefined") {
return wx.createCanvas();
} else {
return document.createElement('canvas');
}
}
function createImage() {
/* istanbul ignore if*/
if (typeof wx !== "undefined") {
return wx.createImage();
} else {
return document.createElement('img');
}
}
function getDpr() {
/* istanbul ignore if*/
if (typeof wx !== "undefined") {
return wx.getSystemInfoSync().devicePixelRatio;
} else {
return window.devicePixelRatio;
}
}
var STATE = {
"UNINIT": "UNINIT",
"INITED": "INITED",
"RENDERED": "RENDERED",
"CLEAR": "CLEAR"
};
var repaintChildren = function repaintChildren(children) {
children.forEach(function (child) {
child.repaint();
repaintChildren(child.children);
});
};
var repaintTree = function repaintTree(tree) {
tree.repaint();
tree.children.forEach(function (child) {
child.repaint();
repaintTree(child);
});
};
/***/ }),
/* 7 */
/***/ (function(module, exports, __webpack_require__) {
"use strict";
var nodeToJson = __webpack_require__(8);
var xmlToNodeobj = __webpack_require__(10);
var x2xmlnode = __webpack_require__(10);
var buildOptions = __webpack_require__(9).buildOptions;
var validator = __webpack_require__(12);
exports.parse = function (xmlData, options, validationOption) {
if (validationOption) {
if (validationOption === true) validationOption = {};
var result = validator.validate(xmlData, validationOption);
if (result !== true) {
throw Error(result.err.msg);
}
}
options = buildOptions(options, x2xmlnode.defaultOptions, x2xmlnode.props);
return nodeToJson.convertToJson(xmlToNodeobj.getTraversalObj(xmlData, options), options);
};
/***/ }),
/* 8 */
/***/ (function(module, exports, __webpack_require__) {
"use strict";
var util = __webpack_require__(9);
var convertToJson = function convertToJson(node, options) {
var jObj = {
name: node.tagname
}; //when no child node or attr is present
if ((!node.child || util.isEmptyObject(node.child)) && (!node.attrsMap || util.isEmptyObject(node.attrsMap))) {
return util.isExist(node.val) && !!node.val ? node.val : jObj;
} else {
//otherwise create a textnode if node has some text
if (util.isExist(node.val)) {
if (!(typeof node.val === 'string' && (node.val === '' || node.val === options.cdataPositionChar))) {
if (options.arrayMode === "strict") {
jObj[options.textNodeName] = [node.val];
} else {
jObj[options.textNodeName] = node.val;
}
}
}
}
util.merge(jObj, node.attrsMap, options.arrayMode);
jObj.children = [];
node.children.forEach(function (child) {
jObj.children.push(convertToJson(child, options));
}); // const keys = Object.keys(node.child);
// for (let index = 0; index < keys.length; index++) {
// var tagname = keys[index];
// if (node.child[tagname] && node.child[tagname].length > 1) {
// jObj[tagname] = [];
// for (var tag in node.child[tagname]) {
// jObj[tagname].push(convertToJson(node.child[tagname][tag], options));
// }
// } else {
// if(options.arrayMode === true){
// const result = convertToJson(node.child[tagname][0], options)
// if(typeof result === 'object')
// jObj[tagname] = [ result ];
// else
// jObj[tagname] = result;
// }else if(options.arrayMode === "strict"){
// jObj[tagname] = [convertToJson(node.child[tagname][0], options) ];
// }else{
// jObj[tagname] = convertToJson(node.child[tagname][0], options);
// }
// }
// }
//add value
return jObj;
};
exports.convertToJson = convertToJson;
/***/ }),
/* 9 */
/***/ (function(module, exports, __webpack_require__) {
"use strict";
var getAllMatches = function getAllMatches(string, regex) {
var matches = [];
var match = regex.exec(string);
while (match) {
var allmatches = [];
var len = match.length;
for (var index = 0; index < len; index++) {
allmatches.push(match[index]);
}
matches.push(allmatches);
match = regex.exec(string);
}
return matches;
};
var doesMatch = function doesMatch(string, regex) {
var match = regex.exec(string);
return !(match === null || typeof match === 'undefined');
};
var doesNotMatch = function doesNotMatch(string, regex) {
return !doesMatch(string, regex);
};
exports.isExist = function (v) {
return typeof v !== 'undefined';
};
exports.isEmptyObject = function (obj) {
return Object.keys(obj).length === 0;
};
/**
* Copy all the properties of a into b.
* @param {*} target
* @param {*} a
*/
exports.merge = function (target, a, arrayMode) {
if (a) {
var keys = Object.keys(a); // will return an array of own properties
var len = keys.length; //don't make it inline
for (var i = 0; i < len; i++) {
if (arrayMode === 'strict') {
target[keys[i]] = [a[keys[i]]];
} else {
target[keys[i]] = a[keys[i]];
}
}
}
};
/* exports.merge =function (b,a){
return Object.assign(b,a);
} */
exports.getValue = function (v) {
if (exports.isExist(v)) {
return v;
} else {
return '';
}
}; // const fakeCall = function(a) {return a;};
// const fakeCallNoReturn = function() {};
exports.buildOptions = function (options, defaultOptions, props) {
var newOptions = {};
if (!options) {
return defaultOptions; //if there are not options
}
for (var i = 0; i < props.length; i++) {
if (options[props[i]] !== undefined) {
newOptions[props[i]] = options[props[i]];
} else {
newOptions[props[i]] = defaultOptions[props[i]];
}
}
return newOptions;
};
exports.doesMatch = doesMatch;
exports.doesNotMatch = doesNotMatch;
exports.getAllMatches = getAllMatches;
/***/ }),
/* 10 */
/***/ (function(module, exports, __webpack_require__) {
"use strict";
var util = __webpack_require__(9);
var buildOptions = __webpack_require__(9).buildOptions;
var xmlNode = __webpack_require__(11);
var TagType = {
OPENING: 1,
CLOSING: 2,
SELF: 3,
CDATA: 4
};
var regx = '<((!\\[CDATA\\[([\\s\\S]*?)(]]>))|(([\\w:\\-._]*:)?([\\w:\\-._]+))([^>]*)>|((\\/)(([\\w:\\-._]*:)?([\\w:\\-._]+))\\s*>))([^<]*)'; //const tagsRegx = new RegExp("<(\\/?[\\w:\\-\._]+)([^>]*)>(\\s*"+cdataRegx+")*([^<]+)?","g");
//const tagsRegx = new RegExp("<(\\/?)((\\w*:)?([\\w:\\-\._]+))([^>]*)>([^<]*)("+cdataRegx+"([^<]*))*([^<]+)?","g");
//polyfill
if (!Number.parseInt && window.parseInt) {
Number.parseInt = window.parseInt;
}
if (!Number.parseFloat && window.parseFloat) {
Number.parseFloat = window.parseFloat;
}
var defaultOptions = {
attributeNamePrefix: '@_',
attrNodeName: false,
textNodeName: '#text',
ignoreAttributes: true,
ignoreNameSpace: false,
allowBooleanAttributes: false,
//a tag can have attributes without any value
//ignoreRootElement : false,
parseNodeValue: true,
parseAttributeValue: false,
arrayMode: false,
trimValues: true,
//Trim string values of tag and attributes
cdataTagName: false,
cdataPositionChar: '\\c',
localeRange: '',
tagValueProcessor: function tagValueProcessor(a) {
return a;
},
attrValueProcessor: function attrValueProcessor(a) {
return a;
},
stopNodes: [] //decodeStrict: false,
};
exports.defaultOptions = defaultOptions;
var props = ['attributeNamePrefix', 'attrNodeName', 'textNodeName', 'ignoreAttributes', 'ignoreNameSpace', 'allowBooleanAttributes', 'parseNodeValue', 'parseAttributeValue', 'arrayMode', 'trimValues', 'cdataTagName', 'cdataPositionChar', 'localeRange', 'tagValueProcessor', 'attrValueProcessor', 'parseTrueNumberOnly', 'stopNodes'];
exports.props = props;
var getTraversalObj = function getTraversalObj(xmlData, options) {
options = buildOptions(options, defaultOptions, props); //xmlData = xmlData.replace(/\r?\n/g, " ");//make it single line
xmlData = xmlData.replace(/<!--[\s\S]*?-->/g, ''); //Remove comments
var xmlObj = new xmlNode('!xml');
var currentNode = xmlObj;
regx = regx.replace(/\[\\w/g, '[' + options.localeRange + '\\w');
var tagsRegx = new RegExp(regx, 'g');
var tag = tagsRegx.exec(xmlData);
var nextTag = tagsRegx.exec(xmlData);
while (tag) {
var tagType = checkForTagType(tag);
if (tagType === TagType.CLOSING) {
//add parsed data to parent node
if (currentNode.parent && tag[14]) {
currentNode.parent.val = util.getValue(currentNode.parent.val) + '' + processTagValue(tag, options, currentNode.parent.tagname);
}
if (options.stopNodes.length && options.stopNodes.includes(currentNode.tagname)) {
currentNode.child = [];
if (currentNode.attrsMap == undefined) {
currentNode.attrsMap = {};
}
currentNode.val = xmlData.substr(currentNode.startIndex + 1, tag.index - currentNode.startIndex - 1);
}
currentNode = currentNode.parent;
} else if (tagType === TagType.CDATA) {
if (options.cdataTagName) {
//add cdata node
var childNode = new xmlNode(options.cdataTagName, currentNode, tag[3]);
childNode.attrsMap = buildAttributesMap(tag[8], options);
currentNode.addChild(childNode); //for backtracking
currentNode.val = util.getValue(currentNode.val) + options.cdataPositionChar; //add rest value to parent node
if (tag[14]) {
currentNode.val += processTagValue(tag, options);
}
} else {
currentNode.val = (currentNode.val || '') + (tag[3] || '') + processTagValue(tag, options);
}
} else if (tagType === TagType.SELF) {
if (currentNode && tag[14]) {
currentNode.val = util.getValue(currentNode.val) + '' + processTagValue(tag, options);
}
var _childNode = new xmlNode(options.ignoreNameSpace ? tag[7] : tag[5], currentNode, '');
if (tag[8] && tag[8].length > 0) {
tag[8] = tag[8].substr(0, tag[8].length - 1);
}
_childNode.attrsMap = buildAttributesMap(tag[8], options);
currentNode.addChild(_childNode);
} else {
//TagType.OPENING
var _childNode2 = new xmlNode(options.ignoreNameSpace ? tag[7] : tag[5], currentNode, processTagValue(tag, options));
if (options.stopNodes.length && options.stopNodes.includes(_childNode2.tagname)) {
_childNode2.startIndex = tag.index + tag[1].length;
}
_childNode2.attrsMap = buildAttributesMap(tag[8], options);
currentNode.addChild(_childNode2);
currentNode = _childNode2;
}
tag = nextTag;
nextTag = tagsRegx.exec(xmlData);
}
return xmlObj;
};
function processTagValue(parsedTags, options, parentTagName) {
var tagName = parsedTags[7] || parentTagName;
var val = parsedTags[14];
if (val) {
if (options.trimValues) {
val = val.trim();
}
val = options.tagValueProcessor(val, tagName);
val = parseValue(val, options.parseNodeValue, options.parseTrueNumberOnly);
}
return val;
}
function checkForTagType(match) {
if (match[4] === ']]>') {
return TagType.CDATA;
} else if (match[10] === '/') {
return TagType.CLOSING;
} else if (typeof match[8] !== 'undefined' && match[8].substr(match[8].length - 1) === '/') {
return TagType.SELF;
} else {
return TagType.OPENING;
}
}
function resolveNameSpace(tagname, options) {
if (options.ignoreNameSpace) {
var tags = tagname.split(':');
var prefix = tagname.charAt(0) === '/' ? '/' : '';
if (tags[0] === 'xmlns') {
return '';
}
if (tags.length === 2) {
tagname = prefix + tags[1];
}
}
return tagname;
}
function parseValue(val, shouldParse, parseTrueNumberOnly) {
if (shouldParse && typeof val === 'string') {
var parsed;
if (val.trim() === '' || isNaN(val)) {
parsed = val === 'true' ? true : val === 'false' ? false : val;
} else {
if (val.indexOf('0x') !== -1) {
//support hexa decimal
parsed = Number.parseInt(val, 16);
} else if (val.indexOf('.') !== -1) {
parsed = Number.parseFloat(val);
} else {
parsed = Number.parseInt(val, 10);
}
if (parseTrueNumberOnly) {
parsed = String(parsed) === val ? parsed : val;
}
}
return parsed;
} else {
if (util.isExist(val)) {
return val;
} else {
return '';
}
}
} //TODO: change regex to capture NS
//const attrsRegx = new RegExp("([\\w\\-\\.\\:]+)\\s*=\\s*(['\"])((.|\n)*?)\\2","gm");
var attrsRegx = new RegExp('([^\\s=]+)\\s*(=\\s*([\'"])(.*?)\\3)?', 'g');
function buildAttributesMap(attrStr, options) {
if (!options.ignoreAttributes && typeof attrStr === 'string') {
attrStr = attrStr.replace(/\r?\n/g, ' '); //attrStr = attrStr || attrStr.trim();
var matches = util.getAllMatches(attrStr, attrsRegx);
var len = matches.length; //don't make it inline
var attrs = {};
for (var i = 0; i < len; i++) {
var attrName = resolveNameSpace(matches[i][1], options);
if (attrName.length) {
if (matches[i][4] !== undefined) {
if (options.trimValues) {
matches[i][4] = matches[i][4].trim();
}
matches[i][4] = options.attrValueProcessor(matches[i][4], attrName);
attrs[options.attributeNamePrefix + attrName] = parseValue(matches[i][4], options.parseAttributeValue, options.parseTrueNumberOnly);
} else if (options.allowBooleanAttributes) {
attrs[options.attributeNamePrefix + attrName] = true;
}
}
}
if (!Object.keys(attrs).length) {
return;
}
if (options.attrNodeName) {
var attrCollection = {};
attrCollection[options.attrNodeName] = attrs;
return attrCollection;
}
return attrs;
}
}
exports.getTraversalObj = getTraversalObj;
/***/ }),
/* 11 */
/***/ (function(module, exports, __webpack_require__) {
"use strict";
module.exports = function (tagname, parent, val) {
this.tagname = tagname;
this.parent = parent;
this.child = {}; //child tags
this.attrsMap = {}; //attributes map
this.children = [];
this.val = val; //text only
this.addChild = function (child) {
this.children.push(child);
if (Array.isArray(this.child[child.tagname])) {
//already presents
this.child[child.tagname].push(child);
} else {
this.child[child.tagname] = [child];
}
};
};
/***/ }),
/* 12 */
/***/ (function(module, exports, __webpack_require__) {
"use strict";
var util = __webpack_require__(9);
var defaultOptions = {
allowBooleanAttributes: false,
//A tag can have attributes without any value
localeRange: 'a-zA-Z'
};
var props = ['allowBooleanAttributes', 'localeRange']; //const tagsPattern = new RegExp("<\\/?([\\w:\\-_\.]+)\\s*\/?>","g");
exports.validate = function (xmlData, options) {
options = util.buildOptions(options, defaultOptions, props); //xmlData = xmlData.replace(/(\r\n|\n|\r)/gm,"");//make it single line
//xmlData = xmlData.replace(/(^\s*<\?xml.*?\?>)/g,"");//Remove XML starting tag
//xmlData = xmlData.replace(/(<!DOCTYPE[\s\w\"\.\/\-\:]+(\[.*\])*\s*>)/g,"");//Remove DOCTYPE
var tags = [];
var tagFound = false;
if (xmlData[0] === "\uFEFF") {
// check for byte order mark (BOM)
xmlData = xmlData.substr(1);
}
var regxAttrName = new RegExp('^[_w][\\w\\-.:]*$'.replace('_w', '_' + options.localeRange));
var regxTagName = new RegExp('^([w]|_)[\\w.\\-_:]*'.replace('([w', '([' + options.localeRange));
for (var i = 0; i < xmlData.length; i++) {
if (xmlData[i] === '<') {
//starting of tag
//read until you reach to '>' avoiding any '>' in attribute value
i++;
if (xmlData[i] === '?') {
i = readPI(xmlData, ++i);
if (i.err) {
return i;
}
} else if (xmlData[i] === '!') {
i = readCommentAndCDATA(xmlData, i);
continue;
} else {
var closingTag = false;
if (xmlData[i] === '/') {
//closing tag
closingTag = true;
i++;
} //read tagname
var tagName = '';
for (; i < xmlData.length && xmlData[i] !== '>' && xmlData[i] !== ' ' && xmlData[i] !== '\t' && xmlData[i] !== '\n' && xmlData[i] !== '\r'; i++) {
tagName += xmlData[i];
}
tagName = tagName.trim(); //console.log(tagName);
if (tagName[tagName.length - 1] === '/') {
//self closing tag without attributes
tagName = tagName.substring(0, tagName.length - 1);
continue;
}
if (!validateTagName(tagName, regxTagName)) {
return {
err: {
code: 'InvalidTag',
msg: 'Tag ' + tagName + ' is an invalid name.'
}
};
}
var result = readAttributeStr(xmlData, i);
if (result === false) {
return {
err: {
code: 'InvalidAttr',
msg: 'Attributes for "' + tagName + '" have open quote.'
}
};
}
var attrStr = result.value;
i = result.index;
if (attrStr[attrStr.length - 1] === '/') {
//self closing tag
attrStr = attrStr.substring(0, attrStr.length - 1);
var isValid = validateAttributeString(attrStr, options, regxAttrName);
if (isValid === true) {
tagFound = true; //continue; //text may presents after self closing tag
} else {
return isValid;
}
} else if (closingTag) {
if (!result.tagClosed) {
return {
err: {
code: 'InvalidTag',
msg: 'closing tag "' + tagName + "\" don't have proper closing."
}
};
} else if (attrStr.trim().length > 0) {
return {
err: {
code: 'InvalidTag',
msg: 'closing tag "' + tagName + "\" can't have attributes or invalid starting."
}
};
} else {
var otg = tags.pop();
if (tagName !== otg) {
return {
err: {
code: 'InvalidTag',
msg: 'closing tag ' + otg + ' is expected inplace of ' + tagName + '.'
}
};
}
}
} else {
var _isValid = validateAttributeString(attrStr, options, regxAttrName);
if (_isValid !== true) {
return _isValid;
}
tags.push(tagName);
tagFound = true;
} //skip tag text value
//It may include comments and CDATA value
for (i++; i < xmlData.length; i++) {
if (xmlData[i] === '<') {
if (xmlData[i + 1] === '!') {
//comment or CADATA
i++;
i = readCommentAndCDATA(xmlData, i);
continue;
} else {
break;
}
}
} //end of reading tag text value
if (xmlData[i] === '<') {
i--;
}
}
} else {
if (xmlData[i] === ' ' || xmlData[i] === '\t' || xmlData[i] === '\n' || xmlData[i] === '\r') {
continue;
}
return {
err: {
code: 'InvalidChar',
msg: 'char ' + xmlData[i] + ' is not expected .'
}
};
}
}
if (!tagFound) {
return {
err: {
code: 'InvalidXml',
msg: 'Start tag expected.'
}
};
} else if (tags.length > 0) {
return {
err: {
code: 'InvalidXml',
msg: 'Invalid ' + JSON.stringify(tags, null, 4).replace(/\r?\n/g, '') + ' found.'
}
};
}
return true;
};
/**
* Read Processing insstructions and skip
* @param {*} xmlData
* @param {*} i
*/
function readPI(xmlData, i) {
var start = i;
for (; i < xmlData.length; i++) {
if (xmlData[i] == '?' || xmlData[i] == ' ') {
//tagname
var tagname = xmlData.substr(start, i - start);
if (i > 5 && tagname === 'xml') {
return {
err: {
code: 'InvalidXml',
msg: 'XML declaration allowed only at the start of the document.'
}
};
} else if (xmlData[i] == '?' && xmlData[i + 1] == '>') {
//check if valid attribut string
i++;
break;
} else {
continue;
}
}
}
return i;
}
function readCommentAndCDATA(xmlData, i) {
if (xmlData.length > i + 5 && xmlData[i + 1] === '-' && xmlData[i + 2] === '-') {
//comment
for (i += 3; i < xmlData.length; i++) {
if (xmlData[i] === '-' && xmlData[i + 1] === '-' && xmlData[i + 2] === '>') {
i += 2;
break;
}
}
} else if (xmlData.length > i + 8 && xmlData[i + 1] === 'D' && xmlData[i + 2] === 'O' && xmlData[i + 3] === 'C' && xmlData[i + 4] === 'T' && xmlData[i + 5] === 'Y' && xmlData[i + 6] === 'P' && xmlData[i + 7] === 'E') {
var angleBracketsCount = 1;
for (i += 8; i < xmlData.length; i++) {
if (xmlData[i] === '<') {
angleBracketsCount++;
} else if (xmlData[i] === '>') {
angleBracketsCount--;
if (angleBracketsCount === 0) {
break;
}
}
}
} else if (xmlData.length > i + 9 && xmlData[i + 1] === '[' && xmlData[i + 2] === 'C' && xmlData[i + 3] === 'D' && xmlData[i + 4] === 'A' && xmlData[i + 5] === 'T' && xmlData[i + 6] === 'A' && xmlData[i + 7] === '[') {
for (i += 8; i < xmlData.length; i++) {
if (xmlData[i] === ']' && xmlData[i + 1] === ']' && xmlData[i + 2] === '>') {
i += 2;
break;
}
}
}
return i;
}
var doubleQuote = '"';
var singleQuote = "'";
/**
* Keep reading xmlData until '<' is found outside the attribute value.
* @param {string} xmlData
* @param {number} i
*/
function readAttributeStr(xmlData, i) {
var attrStr = '';
var startChar = '';
var tagClosed = false;
for (; i < xmlData.length; i++) {
if (xmlData[i] === doubleQuote || xmlData[i] === singleQuote) {
if (startChar === '') {
startChar = xmlData[i];
} else if (startChar !== xmlData[i]) {
//if vaue is enclosed with double quote then single quotes are allowed inside the value and vice versa
continue;
} else {
startChar = '';
}
} else if (xmlData[i] === '>') {
if (startChar === '') {
tagClosed = true;
break;
}
}
attrStr += xmlData[i];
}
if (startChar !== '') {
return false;
}
return {
value: attrStr,
index: i,
tagClosed: tagClosed
};
}
/**
* Select all the attributes whether valid or invalid.
*/
var validAttrStrRegxp = new RegExp('(\\s*)([^\\s=]+)(\\s*=)?(\\s*([\'"])(([\\s\\S])*?)\\5)?', 'g'); //attr, ="sd", a="amit's", a="sd"b="saf", ab cd=""
function validateAttributeString(attrStr, options, regxAttrName) {
//console.log("start:"+attrStr+":end");
//if(attrStr.trim().length === 0) return true; //empty string
var matches = util.getAllMatches(attrStr, validAttrStrRegxp);
var attrNames = {};
for (var i = 0; i < matches.length; i++) {
//console.log(matches[i]);
if (matches[i][1].length === 0) {
//nospace before attribute name: a="sd"b="saf"
return {
err: {
code: 'InvalidAttr',
msg: 'attribute ' + matches[i][2] + ' has no space in starting.'
}
};
} else if (matches[i][3] === undefined && !options.allowBooleanAttributes) {
//independent attribute: ab
return {
err: {
code: 'InvalidAttr',
msg: 'boolean attribute ' + matches[i][2] + ' is not allowed.'
}
};
}
/* else if(matches[i][6] === undefined){//attribute without value: ab=
return { err: { code:"InvalidAttr",msg:"attribute " + matches[i][2] + " has no value assigned."}};
} */
var attrName = matches[i][2];
if (!validateAttrName(attrName, regxAttrName)) {
return {
err: {
code: 'InvalidAttr',
msg: 'attribute ' + attrName + ' is an invalid name.'
}
};
}
/*if (!attrNames.hasOwnProperty(attrName)) {*/
if (!Object.prototype.hasOwnProperty.call(attrNames, attrName)) {
//check for duplicate attribute.
attrNames[attrName] = 1;
} else {
return {
err: {
code: 'InvalidAttr',
msg: 'attribute ' + attrName + ' is repeated.'
}
};
}
}
return true;
} // const validAttrRegxp = /^[_a-zA-Z][\w\-.:]*$/;
function validateAttrName(attrName, regxAttrName) {
// const validAttrRegxp = new RegExp(regxAttrName);
return util.doesMatch(attrName, regxAttrName);
} //const startsWithXML = new RegExp("^[Xx][Mm][Ll]");
// startsWith = /^([a-zA-Z]|_)[\w.\-_:]*/;
function validateTagName(tagname, regxTagName) {
/*if(util.doesMatch(tagname,startsWithXML)) return false;
else*/
return !util.doesNotMatch(tagname, regxTagName);
}
/***/ }),
/* 13 */
/***/ (function(module, __webpack_exports__, __webpack_require__) {
"use strict";
__webpack_require__.r(__webpack_exports__);
/* harmony export (binding) */ __webpack_require__.d(__webpack_exports__, "default", function() { return BitMapFont; });
/* harmony import */ var _imageManager__WEBPACK_IMPORTED_MODULE_0__ = __webpack_require__(14);
/* harmony import */ var _pool__WEBPACK_IMPORTED_MODULE_1__ = __webpack_require__(4);
function _classCallCheck(instance, Constructor) { if (!(instance instanceof Constructor)) { throw new TypeError("Cannot call a class as a function"); } }
function _defineProperties(target, props) { for (var i = 0; i < props.length; i++) { var descriptor = props[i]; descriptor.enumerable = descriptor.enumerable || false; descriptor.configurable = true; if ("value" in descriptor) descriptor.writable = true; Object.defineProperty(target, descriptor.key, descriptor); } }
function _createClass(Constructor, protoProps, staticProps) { if (protoProps) _defineProperties(Constructor.prototype, protoProps); if (staticProps) _defineProperties(Constructor, staticProps); return Constructor; }
var bitMapPool = new _pool__WEBPACK_IMPORTED_MODULE_1__["default"]('bitMapPool');
var Emitter = __webpack_require__(3);
/**
* http://www.angelcode.com/products/bmfont/doc/file_format.html
*/
var BitMapFont = /*#__PURE__*/function () {
function BitMapFont(name, src, config) {
var _this = this;
_classCallCheck(this, BitMapFont);
var cache = bitMapPool.get(name);
if (cache) {
return cache;
}
this.config = config;
this.chars = this.parseConfig(config);
this.ready = false;
this.event = new Emitter();
this.texture = _imageManager__WEBPACK_IMPORTED_MODULE_0__["default"].loadImage(src, function (texture, fromCache) {
if (fromCache) {
_this.texture = texture;
}
_this.ready = true;
_this.event.emit('text__load__done');
});
bitMapPool.set(name, this);
}
_createClass(BitMapFont, [{
key: "parseConfig",
value: function parseConfig(fntText) {
fntText = fntText.split("\r\n").join("\n");
var lines = fntText.split("\n");
var charsCount = this.getConfigByKey(lines[3], "count");
this.lineHeight = this.getConfigByKey(lines[1], 'lineHeight');
this.fontSize = this.getConfigByKey(lines[0], 'size');
var chars = {};
for (var i = 4; i < 4 + charsCount; i++) {
var charText = lines[i];
var letter = String.fromCharCode(this.getConfigByKey(charText, "id"));
var c = {};
chars[letter] = c;
c["x"] = this.getConfigByKey(charText, "x");
c["y"] = this.getConfigByKey(charText, "y");
c["w"] = this.getConfigByKey(charText, "width");
c["h"] = this.getConfigByKey(charText, "height");
c["offX"] = this.getConfigByKey(charText, "xoffset");
c["offY"] = this.getConfigByKey(charText, "yoffset");
c["xadvance"] = this.getConfigByKey(charText, "xadvance");
}
return chars;
}
}, {
key: "getConfigByKey",
value: function getConfigByKey(configText, key) {
var itemConfigTextList = configText.split(" ");
for (var i = 0, length = itemConfigTextList.length; i < length; i++) {
var itemConfigText = itemConfigTextList[i];
if (key === itemConfigText.substring(0, key.length)) {
var value = itemConfigText.substring(key.length + 1);
return parseInt(value);
}
}
return 0;
}
}]);
return BitMapFont;
}();
/***/ }),
/* 14 */
/***/ (function(module, __webpack_exports__, __webpack_require__) {
"use strict";
__webpack_require__.r(__webpack_exports__);
/* harmony import */ var _pool__WEBPACK_IMPORTED_MODULE_0__ = __webpack_require__(4);
/* harmony import */ var _util__WEBPACK_IMPORTED_MODULE_1__ = __webpack_require__(6);
function _classCallCheck(instance, Constructor) { if (!(instance instanceof Constructor)) { throw new TypeError("Cannot call a class as a function"); } }
function _defineProperties(target, props) { for (var i = 0; i < props.length; i++) { var descriptor = props[i]; descriptor.enumerable = descriptor.enumerable || false; descriptor.configurable = true; if ("value" in descriptor) descriptor.writable = true; Object.defineProperty(target, descriptor.key, descriptor); } }
function _createClass(Constructor, protoProps, staticProps) { if (protoProps) _defineProperties(Constructor.prototype, protoProps); if (staticProps) _defineProperties(Constructor, staticProps); return Constructor; }
var imgPool = new _pool__WEBPACK_IMPORTED_MODULE_0__["default"]('imgPool');
var ImageManager = /*#__PURE__*/function () {
function ImageManager() {
_classCallCheck(this, ImageManager);
}
_createClass(ImageManager, [{
key: "getRes",
value: function getRes(src) {
return imgPool.get(src);
}
}, {
key: "loadImage",
value: function loadImage(src) {
var callback = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : _util__WEBPACK_IMPORTED_MODULE_1__["none"];
var img = null;
var cache = this.getRes(src);
if (!src) {
return img;
} // 图片已经被加载过,直接返回图片并且执行回调
if (cache && cache.loadDone) {
img = cache;
callback(img, true);
} else if (cache && !cache.loadDone) {
// 图片正在加载过程中,返回图片并且等待图片加载完成执行回调
img = cache;
cache.onloadcbks.push(callback);
} else {
// 创建图片,将回调函数推入回调函数栈
img = Object(_util__WEBPACK_IMPORTED_MODULE_1__["createImage"])();
img.onloadcbks = [callback];
imgPool.set(src, img);
img.onload = function () {
img.onloadcbks.forEach(function (fn) {
return fn(img, false);
});
img.onloadcbks = [];
img.loadDone = true;
};
img.onerror = function (e) {
console.log('img load error', e);
};
img.src = src;
}
return img;
}
}]);
return ImageManager;
}();
/* harmony default export */ __webpack_exports__["default"] = (new ImageManager());
/***/ }),
/* 15 */
/***/ (function(module, __webpack_exports__, __webpack_require__) {
"use strict";
__webpack_require__.r(__webpack_exports__);
/* harmony import */ var _view_js__WEBPACK_IMPORTED_MODULE_0__ = __webpack_require__(16);
/* harmony reexport (safe) */ __webpack_require__.d(__webpack_exports__, "View", function() { return _view_js__WEBPACK_IMPORTED_MODULE_0__["default"]; });
/* harmony import */ var _image_js__WEBPACK_IMPORTED_MODULE_1__ = __webpack_require__(17);
/* harmony reexport (safe) */ __webpack_require__.d(__webpack_exports__, "Image", function() { return _image_js__WEBPACK_IMPORTED_MODULE_1__["default"]; });
/* harmony import */ var _text_js__WEBPACK_IMPORTED_MODULE_2__ = __webpack_require__(18);
/* harmony reexport (safe) */ __webpack_require__.d(__webpack_exports__, "Text", function() { return _text_js__WEBPACK_IMPORTED_MODULE_2__["default"]; });
/* harmony import */ var _scrollview_js__WEBPACK_IMPORTED_MODULE_3__ = __webpack_require__(19);
/* harmony reexport (safe) */ __webpack_require__.d(__webpack_exports__, "ScrollView", function() { return _scrollview_js__WEBPACK_IMPORTED_MODULE_3__["default"]; });
/* harmony import */ var _bitmaptext_js__WEBPACK_IMPORTED_MODULE_4__ = __webpack_require__(21);
/* harmony reexport (safe) */ __webpack_require__.d(__webpack_exports__, "BitMapText", function() { return _bitmaptext_js__WEBPACK_IMPORTED_MODULE_4__["default"]; });
/***/ }),
/* 16 */
/***/ (function(module, __webpack_exports__, __webpack_require__) {
"use strict";
__webpack_require__.r(__webpack_exports__);
/* harmony export (binding) */ __webpack_require__.d(__webpack_exports__, "default", function() { return View; });
/* harmony import */ var _elements_js__WEBPACK_IMPORTED_MODULE_0__ = __webpack_require__(1);
function _typeof(obj) { "@babel/helpers - typeof"; if (typeof Symbol === "function" && typeof Symbol.iterator === "symbol") { _typeof = function _typeof(obj) { return typeof obj; }; } else { _typeof = function _typeof(obj) { return obj && typeof Symbol === "function" && obj.constructor === Symbol && obj !== Symbol.prototype ? "symbol" : typeof obj; }; } return _typeof(obj); }
function _classCallCheck(instance, Constructor) { if (!(instance instanceof Constructor)) { throw new TypeError("Cannot call a class as a function"); } }
function _defineProperties(target, props) { for (var i = 0; i < props.length; i++) { var descriptor = props[i]; descriptor.enumerable = descriptor.enumerable || false; descriptor.configurable = true; if ("value" in descriptor) descriptor.writable = true; Object.defineProperty(target, descriptor.key, descriptor); } }
function _createClass(Constructor, protoProps, staticProps) { if (protoProps) _defineProperties(Constructor.prototype, protoProps); if (staticProps) _defineProperties(Constructor, staticProps); return Constructor; }
function _inherits(subClass, superClass) { if (typeof superClass !== "function" && superClass !== null) { throw new TypeError("Super expression must either be null or a function"); } subClass.prototype = Object.create(superClass && superClass.prototype, { constructor: { value: subClass, writable: true, configurable: true } }); if (superClass) _setPrototypeOf(subClass, superClass); }
function _setPrototypeOf(o, p) { _setPrototypeOf = Object.setPrototypeOf || function _setPrototypeOf(o, p) { o.__proto__ = p; return o; }; return _setPrototypeOf(o, p); }
function _createSuper(Derived) { var hasNativeReflectConstruct = _isNativeReflectConstruct(); return function _createSuperInternal() { var Super = _getPrototypeOf(Derived), result; if (hasNativeReflectConstruct) { var NewTarget = _getPrototypeOf(this).constructor; result = Reflect.construct(Super, arguments, NewTarget); } else { result = Super.apply(this, arguments); } return _possibleConstructorReturn(this, result); }; }
function _possibleConstructorReturn(self, call) { if (call && (_typeof(call) === "object" || typeof call === "function")) { return call; } return _assertThisInitialized(self); }
function _assertThisInitialized(self) { if (self === void 0) { throw new ReferenceError("this hasn't been initialised - super() hasn't been called"); } return self; }
function _isNativeReflectConstruct() { if (typeof Reflect === "undefined" || !Reflect.construct) return false; if (Reflect.construct.sham) return false; if (typeof Proxy === "function") return true; try { Date.prototype.toString.call(Reflect.construct(Date, [], function () {})); return true; } catch (e) { return false; } }
function _getPrototypeOf(o) { _getPrototypeOf = Object.setPrototypeOf ? Object.getPrototypeOf : function _getPrototypeOf(o) { return o.__proto__ || Object.getPrototypeOf(o); }; return _getPrototypeOf(o); }
var View = /*#__PURE__*/function (_Element) {
_inherits(View, _Element);
var _super = _createSuper(View);
function View(_ref) {
var _this;
var _ref$style = _ref.style,
style = _ref$style === void 0 ? {} : _ref$style,
_ref$props = _ref.props,
props = _ref$props === void 0 ? {} : _ref$props,
_ref$idName = _ref.idName,
idName = _ref$idName === void 0 ? '' : _ref$idName,
_ref$className = _ref.className,
className = _ref$className === void 0 ? '' : _ref$className;
_classCallCheck(this, View);
_this = _super.call(this, {
props: props,
idName: idName,
className: className,
style: style
});
_this.type = 'View';
_this.ctx = null;
_this.renderBoxes = [];
return _this;
}
_createClass(View, [{
key: "destroySelf",
value: function destroySelf() {
this.isDestroyed = true;
this.children = null;
this.root = null;
} // 有些节点仅仅作为容器,实际上不需要任何渲染逻辑,这里加个判断可以提高性能
}, {
key: "checkNeedRender",
value: function checkNeedRender() {
var style = this.style || {};
var borderColor = style.borderColor;
return !!(style.backgroundColor || style.borderWidth && borderColor || style.borderTopWidth && (borderColor || style.borderTopColor) || style.borderBottomWidth && (borderColor || style.borderBottomColor) || style.borderLeftWidth && (borderColor || style.borderLeftColor) || style.borderRightWidth && (borderColor || style.borderRightColor));
}
}, {
key: "render",
value: function render(ctx, layoutBox) {
var style = this.style || {};
var box = layoutBox || this.layoutBox;
ctx.save();
var borderWidth = style.borderWidth || 0;
var drawX = box.absoluteX;
var drawY = box.absoluteY;
var borderLeftWidth = style.borderLeftWidth || borderWidth;
var borderRightWidth = style.borderRightWidth || borderWidth;
var borderTopWidth = style.borderTopWidth || borderWidth;
var borderBottomWidth = style.borderBottomWidth || borderWidth;
this.renderBorder(ctx, layoutBox);
if (style.backgroundColor) {
ctx.fillStyle = style.backgroundColor;
ctx.fillRect(drawX + borderLeftWidth, drawY + borderRightWidth, box.width - (borderLeftWidth + borderRightWidth), box.height - (borderTopWidth + borderBottomWidth));
}
ctx.restore();
}
}, {
key: "insert",
value: function insert(ctx, box) {
this.ctx = ctx;
if (!box) {
box = this.layoutBox;
}
this.renderBoxes.push({
ctx: ctx,
box: box
});
this.render(ctx, box);
}
}, {
key: "repaint",
value: function repaint() {
var _this2 = this;
this.renderBoxes.forEach(function (item) {
_this2.render(item.ctx, item.box);
});
}
}]);
return View;
}(_elements_js__WEBPACK_IMPORTED_MODULE_0__["default"]);
/***/ }),
/* 17 */
/***/ (function(module, __webpack_exports__, __webpack_require__) {
"use strict";
__webpack_require__.r(__webpack_exports__);
/* harmony export (binding) */ __webpack_require__.d(__webpack_exports__, "default", function() { return Image; });
/* harmony import */ var _elements_js__WEBPACK_IMPORTED_MODULE_0__ = __webpack_require__(1);
/* harmony import */ var _common_imageManager__WEBPACK_IMPORTED_MODULE_1__ = __webpack_require__(14);
function _typeof(obj) { "@babel/helpers - typeof"; if (typeof Symbol === "function" && typeof Symbol.iterator === "symbol") { _typeof = function _typeof(obj) { return typeof obj; }; } else { _typeof = function _typeof(obj) { return obj && typeof Symbol === "function" && obj.constructor === Symbol && obj !== Symbol.prototype ? "symbol" : typeof obj; }; } return _typeof(obj); }
function _classCallCheck(instance, Constructor) { if (!(instance instanceof Constructor)) { throw new TypeError("Cannot call a class as a function"); } }
function _defineProperties(target, props) { for (var i = 0; i < props.length; i++) { var descriptor = props[i]; descriptor.enumerable = descriptor.enumerable || false; descriptor.configurable = true; if ("value" in descriptor) descriptor.writable = true; Object.defineProperty(target, descriptor.key, descriptor); } }
function _createClass(Constructor, protoProps, staticProps) { if (protoProps) _defineProperties(Constructor.prototype, protoProps); if (staticProps) _defineProperties(Constructor, staticProps); return Constructor; }
function _inherits(subClass, superClass) { if (typeof superClass !== "function" && superClass !== null) { throw new TypeError("Super expression must either be null or a function"); } subClass.prototype = Object.create(superClass && superClass.prototype, { constructor: { value: subClass, writable: true, configurable: true } }); if (superClass) _setPrototypeOf(subClass, superClass); }
function _setPrototypeOf(o, p) { _setPrototypeOf = Object.setPrototypeOf || function _setPrototypeOf(o, p) { o.__proto__ = p; return o; }; return _setPrototypeOf(o, p); }
function _createSuper(Derived) { var hasNativeReflectConstruct = _isNativeReflectConstruct(); return function _createSuperInternal() { var Super = _getPrototypeOf(Derived), result; if (hasNativeReflectConstruct) { var NewTarget = _getPrototypeOf(this).constructor; result = Reflect.construct(Super, arguments, NewTarget); } else { result = Super.apply(this, arguments); } return _possibleConstructorReturn(this, result); }; }
function _possibleConstructorReturn(self, call) { if (call && (_typeof(call) === "object" || typeof call === "function")) { return call; } return _assertThisInitialized(self); }
function _assertThisInitialized(self) { if (self === void 0) { throw new ReferenceError("this hasn't been initialised - super() hasn't been called"); } return self; }
function _isNativeReflectConstruct() { if (typeof Reflect === "undefined" || !Reflect.construct) return false; if (Reflect.construct.sham) return false; if (typeof Proxy === "function") return true; try { Date.prototype.toString.call(Reflect.construct(Date, [], function () {})); return true; } catch (e) { return false; } }
function _getPrototypeOf(o) { _getPrototypeOf = Object.setPrototypeOf ? Object.getPrototypeOf : function _getPrototypeOf(o) { return o.__proto__ || Object.getPrototypeOf(o); }; return _getPrototypeOf(o); }
var Image = /*#__PURE__*/function (_Element) {
_inherits(Image, _Element);
var _super = _createSuper(Image);
function Image(opts) {
var _this;
_classCallCheck(this, Image);
var _opts$style = opts.style,
style = _opts$style === void 0 ? {} : _opts$style,
_opts$props = opts.props,
props = _opts$props === void 0 ? {} : _opts$props,
_opts$idName = opts.idName,
idName = _opts$idName === void 0 ? '' : _opts$idName,
_opts$className = opts.className,
className = _opts$className === void 0 ? '' : _opts$className,
_opts$src = opts.src,
src = _opts$src === void 0 ? '' : _opts$src;
_this = _super.call(this, {
props: props,
idName: idName,
className: className,
style: style
});
_this.imgsrc = src;
Object.defineProperty(_assertThisInitialized(_this), "src", {
get: function get() {
return this.imgsrc;
},
set: function set(newValue) {
var _this2 = this;
if (newValue !== this.imgsrc) {
this.imgsrc = newValue;
_common_imageManager__WEBPACK_IMPORTED_MODULE_1__["default"].loadImage(this.src, function (img) {
_this2.img = img;
/*this.repaint();*/
_this2.emit('repaint');
});
}
},
enumerable: true,
configurable: true
});
_this.type = 'Image';
_this.renderBoxes = [];
return _this;
}
_createClass(Image, [{
key: "repaint",
value: function repaint() {
var _this3 = this;
this.renderBoxes.forEach(function (item) {
_this3.renderImg(item.ctx, item.box, false);
});
} // 子类填充实现
}, {
key: "destroySelf",
value: function destroySelf() {
this.isDestroyed = true;
this.img = null;
delete this.src;
this.root = null;
}
}, {
key: "renderImg",
value: function renderImg(ctx, layoutBox) {
var needEmitEvent = arguments.length > 2 && arguments[2] !== undefined ? arguments[2] : true;
if (!this.img) {
return;
}
var style = this.style || {};
var box = layoutBox || this.layoutBox;
ctx.save();
if (style.borderColor) {
ctx.strokeStyle = style.borderColor;
}
ctx.lineWidth = style.borderWidth || 0;
var drawX = box.absoluteX;
var drawY = box.absoluteY;
this.renderBorder(ctx, layoutBox);
ctx.drawImage(this.img, drawX, drawY, box.width, box.height);
ctx.restore();
}
}, {
key: "insert",
value: function insert(ctx, box) {
var _this4 = this;
this.renderBoxes.push({
ctx: ctx,
box: box
});
this.img = _common_imageManager__WEBPACK_IMPORTED_MODULE_1__["default"].loadImage(this.src, function (img, fromCache) {
// 来自缓存的还没返回img就会执行回调函数
if (fromCache) {
_this4.img = img;
_this4.renderImg(ctx, box, false);
} else {
// 当图片加载完成,实例可能已经被销毁了
if (_this4.img) {
var eventName = _this4.isScrollViewChild ? 'image__render__done' : 'one__image__render__done';
_this4.EE.emit(eventName, _this4);
}
}
});
}
}, {
key: "isScrollViewChild",
get: function get() {
var flag = false;
var parent = this.parent;
while (parent && !flag) {
if (parent.type === 'ScrollView') {
flag = true;
} else {
parent = parent.parent;
}
}
return flag;
}
}]);
return Image;
}(_elements_js__WEBPACK_IMPORTED_MODULE_0__["default"]);
/***/ }),
/* 18 */
/***/ (function(module, __webpack_exports__, __webpack_require__) {
"use strict";
__webpack_require__.r(__webpack_exports__);
/* harmony export (binding) */ __webpack_require__.d(__webpack_exports__, "default", function() { return Text; });
/* harmony import */ var _elements_js__WEBPACK_IMPORTED_MODULE_0__ = __webpack_require__(1);
/* harmony import */ var _common_util_js__WEBPACK_IMPORTED_MODULE_1__ = __webpack_require__(6);
function _typeof(obj) { "@babel/helpers - typeof"; if (typeof Symbol === "function" && typeof Symbol.iterator === "symbol") { _typeof = function _typeof(obj) { return typeof obj; }; } else { _typeof = function _typeof(obj) { return obj && typeof Symbol === "function" && obj.constructor === Symbol && obj !== Symbol.prototype ? "symbol" : typeof obj; }; } return _typeof(obj); }
function _classCallCheck(instance, Constructor) { if (!(instance instanceof Constructor)) { throw new TypeError("Cannot call a class as a function"); } }
function _defineProperties(target, props) { for (var i = 0; i < props.length; i++) { var descriptor = props[i]; descriptor.enumerable = descriptor.enumerable || false; descriptor.configurable = true; if ("value" in descriptor) descriptor.writable = true; Object.defineProperty(target, descriptor.key, descriptor); } }
function _createClass(Constructor, protoProps, staticProps) { if (protoProps) _defineProperties(Constructor.prototype, protoProps); if (staticProps) _defineProperties(Constructor, staticProps); return Constructor; }
function _inherits(subClass, superClass) { if (typeof superClass !== "function" && superClass !== null) { throw new TypeError("Super expression must either be null or a function"); } subClass.prototype = Object.create(superClass && superClass.prototype, { constructor: { value: subClass, writable: true, configurable: true } }); if (superClass) _setPrototypeOf(subClass, superClass); }
function _setPrototypeOf(o, p) { _setPrototypeOf = Object.setPrototypeOf || function _setPrototypeOf(o, p) { o.__proto__ = p; return o; }; return _setPrototypeOf(o, p); }
function _createSuper(Derived) { var hasNativeReflectConstruct = _isNativeReflectConstruct(); return function _createSuperInternal() { var Super = _getPrototypeOf(Derived), result; if (hasNativeReflectConstruct) { var NewTarget = _getPrototypeOf(this).constructor; result = Reflect.construct(Super, arguments, NewTarget); } else { result = Super.apply(this, arguments); } return _possibleConstructorReturn(this, result); }; }
function _possibleConstructorReturn(self, call) { if (call && (_typeof(call) === "object" || typeof call === "function")) { return call; } return _assertThisInitialized(self); }
function _assertThisInitialized(self) { if (self === void 0) { throw new ReferenceError("this hasn't been initialised - super() hasn't been called"); } return self; }
function _isNativeReflectConstruct() { if (typeof Reflect === "undefined" || !Reflect.construct) return false; if (Reflect.construct.sham) return false; if (typeof Proxy === "function") return true; try { Date.prototype.toString.call(Reflect.construct(Date, [], function () {})); return true; } catch (e) { return false; } }
function _getPrototypeOf(o) { _getPrototypeOf = Object.setPrototypeOf ? Object.getPrototypeOf : function _getPrototypeOf(o) { return o.__proto__ || Object.getPrototypeOf(o); }; return _getPrototypeOf(o); }
var DEFAULT_FONT_FAMILY = 'PingFangSC-Regular, sans-serif';
var context = null;
var getContext = function getContext() {
if (context) {
return context;
}
var canvas = Object(_common_util_js__WEBPACK_IMPORTED_MODULE_1__["createCanvas"])();
canvas.width = 1;
canvas.height = 1;
context = canvas.getContext('2d');
return context;
};
function getTextWidth(style, value) {
var context = getContext();
context.font = "".concat(style.fontWeight || 'normal', " ").concat(style.fontSize || 12, "px ").concat(style.fontFamily || DEFAULT_FONT_FAMILY);
return context.measureText(value).width || 0;
}
function getTextWidthWithoutSetFont(value) {
return getContext().measureText(value).width || 0;
}
function parseText(style, value) {
value = String(value);
var maxWidth = style.width;
var wordWidth = getTextWidth(style, value); // 对文字溢出的处理,默认用...
var textOverflow = style.textOverflow || 'ellipsis'; // 文字最大长度不超限制
if (wordWidth <= maxWidth) {
return value;
} // 对于用点点点处理的情况,先将最大宽度减去...的宽度
if (textOverflow === 'ellipsis') {
maxWidth -= getTextWidthWithoutSetFont('...');
}
var length = value.length - 1;
var str = value.substring(0, length);
while (getTextWidthWithoutSetFont(str) > maxWidth && length > 0) {
length--;
str = value.substring(0, length);
}
return length && textOverflow === 'ellipsis' ? str + '...' : str;
}
var Text = /*#__PURE__*/function (_Element) {
_inherits(Text, _Element);
var _super = _createSuper(Text);
function Text(_ref) {
var _this;
var _ref$style = _ref.style,
style = _ref$style === void 0 ? {} : _ref$style,
_ref$props = _ref.props,
props = _ref$props === void 0 ? {} : _ref$props,
_ref$idName = _ref.idName,
idName = _ref$idName === void 0 ? '' : _ref$idName,
_ref$className = _ref.className,
className = _ref$className === void 0 ? '' : _ref$className,
_ref$value = _ref.value,
value = _ref$value === void 0 ? '' : _ref$value;
_classCallCheck(this, Text);
// 没有设置宽度的时候通过canvas计算出文字宽度
if (style.width === undefined) {
style.width = getTextWidth(style, value);
} else if (style.textOverflow === 'ellipsis') {
value = parseText(style, value);
}
_this = _super.call(this, {
props: props,
idName: idName,
className: className,
style: style
});
_this.type = 'Text';
_this.ctx = null;
_this.valuesrc = value;
_this.renderBoxes = [];
Object.defineProperty(_assertThisInitialized(_this), "value", {
get: function get() {
return this.valuesrc;
},
set: function set(newValue) {
if (newValue !== this.valuesrc) {
this.valuesrc = newValue;
this.emit('repaint');
}
},
enumerable: true,
configurable: true
});
return _this;
}
_createClass(Text, [{
key: "toCanvasData",
value: function toCanvasData() {
var style = this.style || {};
this.fontSize = style.fontSize || 12;
this.textBaseline = 'top';
this.font = "".concat(style.fontWeight || '', " ").concat(style.fontSize || 12, "px ").concat(DEFAULT_FONT_FAMILY);
this.textAlign = style.textAlign || 'left';
this.fillStyle = style.color || '#000';
}
}, {
key: "insert",
value: function insert(ctx, box) {
this.renderBoxes.push({
ctx: ctx,
box: box
});
this.render(ctx, box);
}
}, {
key: "repaint",
value: function repaint() {
var _this2 = this;
this.renderBoxes.forEach(function (item) {
_this2.render(item.ctx, item.box);
});
}
}, {
key: "destroySelf",
value: function destroySelf() {
this.root = null;
}
}, {
key: "render",
value: function render(ctx, layoutBox) {
this.toCanvasData();
ctx.save();
var box = layoutBox || this.layoutBox;
var style = this.style;
ctx.textBaseline = this.textBaseline;
ctx.font = this.font;
ctx.textAlign = this.textAlign;
var drawX = box.absoluteX;
var drawY = box.absoluteY;
this.renderBorder(ctx, layoutBox);
if (style.backgroundColor) {
ctx.fillStyle = style.backgroundColor;
ctx.fillRect(drawX, drawY, box.width, box.height);
}
ctx.fillStyle = this.fillStyle;
if (this.textAlign === 'center') {
drawX += box.width / 2;
} else if (this.textAlign === 'right') {
drawX += box.width;
}
if (style.lineHeight) {
ctx.textBaseline = 'middle';
drawY += style.lineHeight / 2;
}
ctx.fillText(this.value, drawX, drawY);
ctx.restore();
}
}]);
return Text;
}(_elements_js__WEBPACK_IMPORTED_MODULE_0__["default"]);
/***/ }),
/* 19 */
/***/ (function(module, __webpack_exports__, __webpack_require__) {
"use strict";
__webpack_require__.r(__webpack_exports__);
/* harmony export (binding) */ __webpack_require__.d(__webpack_exports__, "default", function() { return ScrollView; });
/* harmony import */ var _view_js__WEBPACK_IMPORTED_MODULE_0__ = __webpack_require__(16);
/* harmony import */ var _common_pool_js__WEBPACK_IMPORTED_MODULE_1__ = __webpack_require__(4);
/* harmony import */ var _common_touch_js__WEBPACK_IMPORTED_MODULE_2__ = __webpack_require__(20);
/* harmony import */ var _common_util_js__WEBPACK_IMPORTED_MODULE_3__ = __webpack_require__(6);
function _typeof(obj) { "@babel/helpers - typeof"; if (typeof Symbol === "function" && typeof Symbol.iterator === "symbol") { _typeof = function _typeof(obj) { return typeof obj; }; } else { _typeof = function _typeof(obj) { return obj && typeof Symbol === "function" && obj.constructor === Symbol && obj !== Symbol.prototype ? "symbol" : typeof obj; }; } return _typeof(obj); }
function _classCallCheck(instance, Constructor) { if (!(instance instanceof Constructor)) { throw new TypeError("Cannot call a class as a function"); } }
function _defineProperties(target, props) { for (var i = 0; i < props.length; i++) { var descriptor = props[i]; descriptor.enumerable = descriptor.enumerable || false; descriptor.configurable = true; if ("value" in descriptor) descriptor.writable = true; Object.defineProperty(target, descriptor.key, descriptor); } }
function _createClass(Constructor, protoProps, staticProps) { if (protoProps) _defineProperties(Constructor.prototype, protoProps); if (staticProps) _defineProperties(Constructor, staticProps); return Constructor; }
function _inherits(subClass, superClass) { if (typeof superClass !== "function" && superClass !== null) { throw new TypeError("Super expression must either be null or a function"); } subClass.prototype = Object.create(superClass && superClass.prototype, { constructor: { value: subClass, writable: true, configurable: true } }); if (superClass) _setPrototypeOf(subClass, superClass); }
function _setPrototypeOf(o, p) { _setPrototypeOf = Object.setPrototypeOf || function _setPrototypeOf(o, p) { o.__proto__ = p; return o; }; return _setPrototypeOf(o, p); }
function _createSuper(Derived) { var hasNativeReflectConstruct = _isNativeReflectConstruct(); return function _createSuperInternal() { var Super = _getPrototypeOf(Derived), result; if (hasNativeReflectConstruct) { var NewTarget = _getPrototypeOf(this).constructor; result = Reflect.construct(Super, arguments, NewTarget); } else { result = Super.apply(this, arguments); } return _possibleConstructorReturn(this, result); }; }
function _possibleConstructorReturn(self, call) { if (call && (_typeof(call) === "object" || typeof call === "function")) { return call; } return _assertThisInitialized(self); }
function _assertThisInitialized(self) { if (self === void 0) { throw new ReferenceError("this hasn't been initialised - super() hasn't been called"); } return self; }
function _isNativeReflectConstruct() { if (typeof Reflect === "undefined" || !Reflect.construct) return false; if (Reflect.construct.sham) return false; if (typeof Proxy === "function") return true; try { Date.prototype.toString.call(Reflect.construct(Date, [], function () {})); return true; } catch (e) { return false; } }
function _getPrototypeOf(o) { _getPrototypeOf = Object.setPrototypeOf ? Object.getPrototypeOf : function _getPrototypeOf(o) { return o.__proto__ || Object.getPrototypeOf(o); }; return _getPrototypeOf(o); }
var id = 0;
var canvasPool = new _common_pool_js__WEBPACK_IMPORTED_MODULE_1__["default"]('canvasPool');
var ScrollView = /*#__PURE__*/function (_View) {
_inherits(ScrollView, _View);
var _super = _createSuper(ScrollView);
function ScrollView(_ref) {
var _this;
var _ref$style = _ref.style,
style = _ref$style === void 0 ? {} : _ref$style,
_ref$props = _ref.props,
props = _ref$props === void 0 ? {} : _ref$props,
_ref$name = _ref.name,
name = _ref$name === void 0 ? '' : _ref$name;
_classCallCheck(this, ScrollView);
_this = _super.call(this, {
props: props,
name: name,
style: style
});
_this.type = 'ScrollView'; // 当前列表滚动的值
_this.top = 0; // 滚动处理器
_this.touch = new _common_touch_js__WEBPACK_IMPORTED_MODULE_2__["default"](); // canvas高度不能过高在小游戏里面对canvas尺寸是有限制的
_this.pageHeight = 2000; // 根据列表总高度和单页高度计算的分页数量
_this.pageCount = 1;
_this.canvasMap = {}; // 图片加载完成之后会触发scrollView的重绘函数当图片过多的时候用节流提升性能
_this.throttleRepaint = Object(_common_util_js__WEBPACK_IMPORTED_MODULE_3__["throttle"])(_this.clipRepaint, 16, _assertThisInitialized(_this));
_this.throttleImageLoadDone = Object(_common_util_js__WEBPACK_IMPORTED_MODULE_3__["throttle"])(_this.childImageLoadDoneCbk, 32, _assertThisInitialized(_this));
_this.renderTimers = [];
_this.requestID = null;
return _this;
}
/**
* 获取滚动列表内所有元素的高度和
* 这里不能简单将所有子元素的高度累加,因为每个元素之间可能是有空隙的
*/
_createClass(ScrollView, [{
key: "repaint",
value: function repaint() {
var _this2 = this;
this.clear();
this.renderBoxes.forEach(function (item) {
_this2.render(item.ctx, item.box);
});
}
/**
* 列表子元素重绘之前先将所有的canvas擦除
*/
}, {
key: "clear",
value: function clear() {
var _this3 = this;
Object.keys(this.canvasMap).forEach(function (key) {
var item = _this3.canvasMap[key];
item.context && item.context.clearRect(0, 0, item.canvas.width, item.canvas.height);
});
} // 与主canvas的尺寸保持一致
}, {
key: "updateRenderPort",
value: function updateRenderPort(renderport) {
this.renderport = renderport;
}
/**
* 计算分页数据
* 小游戏的canvas对尺寸有要求如果如果高度过高可能出现渲染不出来的情况
* 因此需要手动分页列表过长的时候将数据绘制到几个canvas上面这里预创建几个canvas
*/
}, {
key: "calPageData",
value: function calPageData() {
this.pageCount = Math.ceil((this.scrollHeight + this.layoutBox.absoluteY) / this.pageHeight);
for (var i = 0; i < this.pageCount; i++) {
var cache = canvasPool.get(i);
if (cache) {
cache.context && cache.context.clearRect(0, 0, cache.canvas.width, cache.canvas.height);
cache.elements = [];
this.canvasMap[i] = cache;
} else {
this.canvasMap[i] = {
elements: []
};
canvasPool.set(i, this.canvasMap[i]);
}
}
}
}, {
key: "destroySelf",
value: function destroySelf() {
this.touch = null;
this.isDestroyed = true;
this.throttleRepaint = null;
this.renderTimers.forEach(function (timer) {
clearTimeout(timer);
});
this.root.off('repaint__done');
this.renderTimers = [];
this.canvasMap = {};
this.ctx = null;
this.children = null;
this.requestID && cancelAnimationFrame(this.requestID);
this.root = null;
}
/**
* 滚动列表重绘逻辑
* 将分页canvas按照滚动裁剪绘制到主canvas上面
*/
}, {
key: "clipRepaint",
value: function clipRepaint(top) {
var _this4 = this;
if (this.isDestroyed) {
return;
}
this.requestID = requestAnimationFrame(function () {
top = -top;
_this4.top = top;
var box = _this4.layoutBox;
var abY = box.absoluteY;
if (_this4.isDestroyed || _this4.root.state === _common_util_js__WEBPACK_IMPORTED_MODULE_3__["STATE"].CLEAR) {
return;
} // 在主canvas上面将滚动列表区域擦除
_this4.ctx.clearRect(box.absoluteX, abY, box.width, box.height); // 背景填充
_this4.ctx.fillStyle = _this4.parent.style.backgroundColor || '#ffffff';
_this4.ctx.fillRect(box.absoluteX, abY, box.width, box.height);
for (var i = 0; i < _this4.pageCount; i++) {
var canvas = _this4.canvasMap[i].canvas; // 根据滚动值获取裁剪区域
var startY = abY + top;
var endY = abY + top + box.height; // 计算在裁剪区域内的canvas
if (startY < _this4.pageHeight * (i + 1) && endY > _this4.pageHeight * i) {
/**
* 这里不能按照box.width * box.height的区域去裁剪
* 在浏览器里面正常但是在小游戏里面会出现诡异的渲染出错所以裁剪canvas真实有效的区域
*/
var clipY = abY + top - _this4.pageHeight * i;
var clipH = box.height;
var renderY = abY;
if (clipY > 0 && _this4.pageHeight - clipY < box.height) {
clipH = _this4.pageHeight - clipY;
} else if (clipY < 0) {
clipH = clipY + box.height;
renderY = renderY - clipY;
clipY = 0;
}
_this4.ctx.drawImage(canvas, box.absoluteX, clipY, box.width, clipH, box.absoluteX, renderY, box.width, clipH);
}
}
});
}
}, {
key: "renderChildren",
value: function renderChildren(tree) {
var _this5 = this;
var children = tree.children;
var height = this.pageHeight;
Object.keys(children).forEach(function (id) {
var child = children[id];
var originY = child.layoutBox.originalAbsoluteY;
var pageIndex = Math.floor(originY / height);
var nextPage = pageIndex + 1;
child.layoutBox.absoluteY -= _this5.pageHeight * pageIndex;
if (child.checkNeedRender()) {
_this5.canvasMap[pageIndex].elements.push({
element: child,
box: child.layoutBox
});
} // 对于跨界的元素,两边都绘制下
if (originY + child.layoutBox.height > height * nextPage) {
var tmpBox = Object.assign({}, child.layoutBox);
tmpBox.absoluteY = originY - _this5.pageHeight * nextPage;
if (child.checkNeedRender()) {
_this5.canvasMap[nextPage].elements.push({
element: child,
box: tmpBox
});
}
}
_this5.renderChildren(child);
});
}
}, {
key: "insertElements",
value: function insertElements(pageIndex) {
var _this6 = this;
var can = Object(_common_util_js__WEBPACK_IMPORTED_MODULE_3__["createCanvas"])();
var ctx = can.getContext('2d');
can.width = this.renderport.width;
can.height = this.pageHeight;
ctx.id = ++id;
this.canvasMap[pageIndex].canvas = can;
this.canvasMap[pageIndex].context = ctx;
this.canvasMap[pageIndex].elements.forEach(function (ele) {
ele.element.insert(ctx, ele.box);
});
if (pageIndex < this.pageCount - 1) {
var timer = setTimeout(function () {
_this6.insertElements(++pageIndex);
}, 250);
this.renderTimers.push(timer);
}
}
}, {
key: "childImageLoadDoneCbk",
value: function childImageLoadDoneCbk(img) {
var start = new Date();
var list = Object.values(this.canvasMap);
var pageIndex = -1;
for (var i = 0; i < list.length; i++) {
if (list[i].elements.find(function (item) {
return item.element === img;
})) {
pageIndex = i;
break;
}
}
if (pageIndex > -1) {
var _start = new Date();
var canItem = this.canvasMap[pageIndex];
var canvas = canItem.canvas;
var ctx = canItem.context;
ctx.clearRect(0, 0, canvas.width, canvas.height);
this.canvasMap[pageIndex].elements.forEach(function (ele) {
Object(_common_util_js__WEBPACK_IMPORTED_MODULE_3__["repaintTree"])(ele.element);
});
}
/*this.throttleRepaint(-this.top || 0);*/
this.clipRepaint(-this.top);
}
}, {
key: "insertScrollView",
value: function insertScrollView(context) {
var _this7 = this;
// 绘制容器
this.insert(context);
this.root.on('repaint__done', function () {
_this7.clipRepaint(-_this7.top);
}); // 计算列表应该分割成几页
this.calPageData(); // 计算分页数据每个元素应该坐落在哪个canvas
this.renderChildren(this);
this.insertElements(0);
this.clipRepaint(-this.top); // 图片加载可能是异步的,监听图片加载完成事件完成列表重绘逻辑
this.EE.on('image__render__done', function (img) {
_this7.throttleImageLoadDone(img);
});
if (this.scrollHeight > this.layoutBox.height) {
this.touch.setTouchRange(-(this.scrollHeight - this.layoutBox.height), 0, this.clipRepaint.bind(this)); // 监听触摸相关事件,将滚动处理逻辑交给相应的处理器处理
this.on('touchstart', this.touch.startFunc);
this.on('touchmove', this.touch.moveFunc);
this.on('touchend', this.touch.endFunc);
}
}
}, {
key: "scrollHeight",
get: function get() {
// scrollview为空的情况
if (!this.children.length) {
return 0;
}
var last = this.children[this.children.length - 1];
return last.layoutBox.top + last.layoutBox.height;
}
}]);
return ScrollView;
}(_view_js__WEBPACK_IMPORTED_MODULE_0__["default"]);
/***/ }),
/* 20 */
/***/ (function(module, __webpack_exports__, __webpack_require__) {
"use strict";
__webpack_require__.r(__webpack_exports__);
/* harmony export (binding) */ __webpack_require__.d(__webpack_exports__, "default", function() { return Touch; });
/* harmony import */ var _util_js__WEBPACK_IMPORTED_MODULE_0__ = __webpack_require__(6);
function _classCallCheck(instance, Constructor) { if (!(instance instanceof Constructor)) { throw new TypeError("Cannot call a class as a function"); } }
function _defineProperties(target, props) { for (var i = 0; i < props.length; i++) { var descriptor = props[i]; descriptor.enumerable = descriptor.enumerable || false; descriptor.configurable = true; if ("value" in descriptor) descriptor.writable = true; Object.defineProperty(target, descriptor.key, descriptor); } }
function _createClass(Constructor, protoProps, staticProps) { if (protoProps) _defineProperties(Constructor.prototype, protoProps); if (staticProps) _defineProperties(Constructor, staticProps); return Constructor; }
var dpr = Object(_util_js__WEBPACK_IMPORTED_MODULE_0__["getDpr"])();
var Touch = /*#__PURE__*/function () {
function Touch() {
_classCallCheck(this, Touch);
this.needProcess = false;
this.startFunc = this.touchStartHandler.bind(this);
this.endFunc = this.touchEndHandler.bind(this);
this.moveFunc = this.touchMoveHandler.bind(this);
}
_createClass(Touch, [{
key: "reset",
value: function reset() {
this.touchTime = new Date();
this.touchStartX = 0;
this.touchStartY = 0; // 滚动区间
this.start = 0;
this.end = 0; // 当前位置
this.move = 0; // 目标位置
this.target = 0; // 滚动回调函数
this.scroll = null; // for istanbul
/* istanbul ignore if*/
if (typeof cancelAnimationFrame !== 'undefined') {
cancelAnimationFrame(this.animate);
}
}
}, {
key: "enable",
value: function enable() {
this.reset();
this.needProcess = true;
}
}, {
key: "disable",
value: function disable() {
this.needProcess = false;
} // 设置滚动区间,比如一个排行榜的滚动区间可能是[-300, 0]
}, {
key: "setTouchRange",
value: function setTouchRange(start, end, scroll) {
// 考虑到切换游戏的场景,每次设置的时候重置所有变量
this.enable();
this.start = start;
this.end = end;
if (start === 0 && end === 0) {
return;
}
this.scroll = scroll; // this.animate = requestAnimationFrame(this.loop.bind(this));
} // 保证滚动目标位置在滚动区间内
}, {
key: "limitTarget",
value: function limitTarget(target) {
var result = target;
if (target > this.end) {
result = this.end;
} else if (target < this.start) {
result = this.start;
}
return result;
}
}, {
key: "touchStartHandler",
value: function touchStartHandler(e) {
var touch = e.touches && e.touches[0] || e.changedTouches && e.changedTouches[0] || e;
if (!touch || !touch.pageX || !touch.pageY) {
return;
}
this.touchStartX = touch.clientX * dpr;
this.touchStartY = touch.clientY * dpr;
this.touchTime = new Date();
this.isMoving = true;
this.needProcess = true;
this.animate = requestAnimationFrame(this.loop.bind(this));
}
}, {
key: "touchMoveHandler",
value: function touchMoveHandler(e) {
if (!this.isMoving) {
return;
}
var touch = e.touches && e.touches[0] || e.changedTouches && e.changedTouches[0] || e;
if (!touch || !touch.pageX || !touch.pageY) {
return;
}
var currY = touch.clientY * dpr;
if (this.touchStartY - currY > 2 || this.touchStartY - currY < -2) {
this.target -= this.touchStartY - currY;
}
this.target = this.limitTarget(this.target);
this.touchStartY = currY;
}
}, {
key: "touchEndHandler",
value: function touchEndHandler() {
this.isMoving = false;
var timeInS = (Date.now() - this.touchTime) / 1000;
/*console.log(Date.now(), this.touchTime.getTime(), Date.now() - this.touchTime);*/
if (timeInS < 0.9) {
/*console.log(1, timeInS, this.target, this.move);*/
this.target += (this.target - this.move) * 0.6 / (timeInS * 5);
/*console.log(2, this.target)*/
this.target = this.limitTarget(this.target);
/*console.log(3, this.target)*/
}
}
}, {
key: "loop",
value: function loop() {
if (this.needProcess) {
if (this.isMoving) {
if (this.move !== this.target) {
// 手指移动可能过快,切片以使得滑动流畅
if (Math.abs(this.target - this.move) > 1) {
this.move += (this.target - this.move) * 0.4;
} else {
this.move = this.target;
}
this.scroll && this.scroll(this.move);
}
} else {
if (this.move !== this.target) {
/**
* 如果滑动很快,为了滚动流畅,需要将滑动过程切片
*/
if (Math.abs(this.target - this.move) > 1) {
this.move += (this.target - this.move) * 0.3;
} else {
this.move = this.target;
}
this.scroll && this.scroll(this.move);
} else {
// 滑动结束,停止动画
this.needProcess = false;
}
}
this.animate = requestAnimationFrame(this.loop.bind(this));
} else if (typeof cancelAnimationFrame !== 'undefined') {
cancelAnimationFrame(this.animate);
}
}
}]);
return Touch;
}();
/***/ }),
/* 21 */
/***/ (function(module, __webpack_exports__, __webpack_require__) {
"use strict";
__webpack_require__.r(__webpack_exports__);
/* harmony export (binding) */ __webpack_require__.d(__webpack_exports__, "default", function() { return BitMapText; });
/* harmony import */ var _elements_js__WEBPACK_IMPORTED_MODULE_0__ = __webpack_require__(1);
/* harmony import */ var _common_pool_js__WEBPACK_IMPORTED_MODULE_1__ = __webpack_require__(4);
function _typeof(obj) { "@babel/helpers - typeof"; if (typeof Symbol === "function" && typeof Symbol.iterator === "symbol") { _typeof = function _typeof(obj) { return typeof obj; }; } else { _typeof = function _typeof(obj) { return obj && typeof Symbol === "function" && obj.constructor === Symbol && obj !== Symbol.prototype ? "symbol" : typeof obj; }; } return _typeof(obj); }
function _classCallCheck(instance, Constructor) { if (!(instance instanceof Constructor)) { throw new TypeError("Cannot call a class as a function"); } }
function _defineProperties(target, props) { for (var i = 0; i < props.length; i++) { var descriptor = props[i]; descriptor.enumerable = descriptor.enumerable || false; descriptor.configurable = true; if ("value" in descriptor) descriptor.writable = true; Object.defineProperty(target, descriptor.key, descriptor); } }
function _createClass(Constructor, protoProps, staticProps) { if (protoProps) _defineProperties(Constructor.prototype, protoProps); if (staticProps) _defineProperties(Constructor, staticProps); return Constructor; }
function _inherits(subClass, superClass) { if (typeof superClass !== "function" && superClass !== null) { throw new TypeError("Super expression must either be null or a function"); } subClass.prototype = Object.create(superClass && superClass.prototype, { constructor: { value: subClass, writable: true, configurable: true } }); if (superClass) _setPrototypeOf(subClass, superClass); }
function _setPrototypeOf(o, p) { _setPrototypeOf = Object.setPrototypeOf || function _setPrototypeOf(o, p) { o.__proto__ = p; return o; }; return _setPrototypeOf(o, p); }
function _createSuper(Derived) { var hasNativeReflectConstruct = _isNativeReflectConstruct(); return function _createSuperInternal() { var Super = _getPrototypeOf(Derived), result; if (hasNativeReflectConstruct) { var NewTarget = _getPrototypeOf(this).constructor; result = Reflect.construct(Super, arguments, NewTarget); } else { result = Super.apply(this, arguments); } return _possibleConstructorReturn(this, result); }; }
function _possibleConstructorReturn(self, call) { if (call && (_typeof(call) === "object" || typeof call === "function")) { return call; } return _assertThisInitialized(self); }
function _assertThisInitialized(self) { if (self === void 0) { throw new ReferenceError("this hasn't been initialised - super() hasn't been called"); } return self; }
function _isNativeReflectConstruct() { if (typeof Reflect === "undefined" || !Reflect.construct) return false; if (Reflect.construct.sham) return false; if (typeof Proxy === "function") return true; try { Date.prototype.toString.call(Reflect.construct(Date, [], function () {})); return true; } catch (e) { return false; } }
function _getPrototypeOf(o) { _getPrototypeOf = Object.setPrototypeOf ? Object.getPrototypeOf : function _getPrototypeOf(o) { return o.__proto__ || Object.getPrototypeOf(o); }; return _getPrototypeOf(o); }
var bitMapPool = new _common_pool_js__WEBPACK_IMPORTED_MODULE_1__["default"]('bitMapPool');
var BitMapText = /*#__PURE__*/function (_Element) {
_inherits(BitMapText, _Element);
var _super = _createSuper(BitMapText);
function BitMapText(opts) {
var _this;
_classCallCheck(this, BitMapText);
var _opts$style = opts.style,
style = _opts$style === void 0 ? {} : _opts$style,
_opts$props = opts.props,
props = _opts$props === void 0 ? {} : _opts$props,
_opts$idName = opts.idName,
idName = _opts$idName === void 0 ? '' : _opts$idName,
_opts$className = opts.className,
className = _opts$className === void 0 ? '' : _opts$className,
_opts$value = opts.value,
value = _opts$value === void 0 ? '' : _opts$value,
_opts$font = opts.font,
font = _opts$font === void 0 ? '' : _opts$font;
_this = _super.call(this, {
props: props,
idName: idName,
className: className,
style: style
});
_this.type = "BitMapText";
_this.ctx = null;
_this.valuesrc = value;
_this.renderBoxes = [];
Object.defineProperty(_assertThisInitialized(_this), "value", {
get: function get() {
return this.valuesrc;
},
set: function set(newValue) {
if (newValue !== this.valuesrc) {
this.valuesrc = newValue;
this.emit('repaint');
}
},
enumerable: true,
configurable: true
});
_this.font = bitMapPool.get(font);
if (!_this.font) {
console.error('Please invoke API `registBitMapFont` before using `BitMapText`');
}
return _this;
}
_createClass(BitMapText, [{
key: "insert",
value: function insert(ctx, box) {
this.renderBoxes.push({
ctx: ctx,
box: box
});
this.render(ctx, box);
}
}, {
key: "repaint",
value: function repaint() {
var _this2 = this;
this.renderBoxes.forEach(function (item) {
_this2.render(item.ctx, item.box);
});
}
}, {
key: "destroySelf",
value: function destroySelf() {
this.root = null;
}
}, {
key: "render",
value: function render(ctx, layoutBox) {
var _this3 = this;
if (!this.font) {
return;
}
if (this.font.ready) {
this.renderText(ctx, layoutBox);
} else {
this.font.event.on('text__load__done', function () {
if (!_this3.isDestroyed) {
_this3.renderText(ctx, layoutBox);
}
});
}
}
}, {
key: "getTextBounds",
value: function getTextBounds() {
var style = this.style;
var _style$letterSpacing = style.letterSpacing,
letterSpacing = _style$letterSpacing === void 0 ? 0 : _style$letterSpacing;
var width = 0;
for (var i = 0, len = this.value.length; i < len; i++) {
var _char = this.value[i];
var cfg = this.font.chars[_char];
if (cfg) {
width += cfg.w;
if (i < len - 1) {
width += letterSpacing;
}
}
}
return {
width: width,
height: this.font.lineHeight
};
}
}, {
key: "renderText",
value: function renderText(ctx, layoutBox) {
var bounds = this.getTextBounds();
var defaultLineHeight = this.font.lineHeight;
ctx.save();
this.renderBorder(ctx, layoutBox);
var box = layoutBox || this.layoutBox;
var style = this.style;
var width = style.width,
height = style.height,
_style$lineHeight = style.lineHeight,
lineHeight = _style$lineHeight === void 0 ? defaultLineHeight : _style$lineHeight,
textAlign = style.textAlign,
verticalAlign = style.verticalAlign; // 元素包围盒的左上角坐标
var x = box.absoluteX;
var y = box.absoluteY;
var scaleY = lineHeight / defaultLineHeight;
var realWidth = scaleY * bounds.width; // 如果文字的渲染区域高度小于盒子高度,采用对齐方式
if (lineHeight < height) {
if (verticalAlign === 'middle') {
y += (height - lineHeight) / 2;
} else if (verticalAlign === 'bottom') {
y = y + height - lineHeight;
}
}
if (width > realWidth) {
if (textAlign === 'center') {
x += (width - realWidth) / 2;
} else if (textAlign === 'right') {
x += width - realWidth;
}
}
for (var i = 0; i < this.value.length; i++) {
var _char2 = this.value[i];
var cfg = this.font.chars[_char2];
if (cfg) {
ctx.drawImage(this.font.texture, cfg.x, cfg.y, cfg.w, cfg.h, x + cfg.offX * scaleY, y + cfg.offY * scaleY, cfg.w * scaleY, cfg.h * scaleY);
x += cfg.w * scaleY;
}
}
}
}]);
return BitMapText;
}(_elements_js__WEBPACK_IMPORTED_MODULE_0__["default"]);
/***/ })
/******/ ]);