mirror of
https://github.com/Big1moster/catvm.git
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94 lines
3.6 KiB
JavaScript
94 lines
3.6 KiB
JavaScript
// 存储一些值，避免污染全局变量空间
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catvm.memory.MimeTypeArray = {};
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// MimeTypeArray实例,MimeTypeArray这个虽然跟MimeType很像，但是无需被new，浏览器一开始就有该实例 navigator.mimeTypes
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catvm.memory.MimeTypeArray._ = {};
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var MimeTypeArray = function MimeTypeArray() { // 构造函数
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throw new TypeError("Illegal constructor");
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};
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catvm.safefunction(MimeTypeArray);
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catvm.memory.MimeTypeArray.iterator = function values() {
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debugger;
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return {
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next:function () {
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if(this.index_ == undefined){
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this.index_ = 0;
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}
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var tmp = this.self_[this.index_];
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this.index_ += 1;
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return {value:tmp,done:tmp==undefined};
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},
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self_:this
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}
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};
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catvm.safefunction(catvm.memory.MimeTypeArray.iterator);
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Object.defineProperties(MimeTypeArray.prototype, {
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[Symbol.toStringTag]: {
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value: "MimeTypeArray",
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configurable: true
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},
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// 原型上多了个这个,里面是个方法
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[Symbol.iterator]: {
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value: catvm.memory.MimeTypeArray.iterator,
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configurable: true
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}
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});
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////////// ///////////////////浏览器代码自动生成部分
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MimeTypeArray.prototype.length = 0;
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MimeTypeArray.prototype.item = function item(index) {
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// debugger;
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return this[index];
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};
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catvm.safefunction(MimeTypeArray.prototype.item);
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MimeTypeArray.prototype.namedItem = function namedItem(key) {
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// debugger;
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return this[key];
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};
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catvm.safefunction(MimeTypeArray.prototype.namedItem);
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// 适用于 调用原型的属性会抛出异常的对象
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for (var _prototype in MimeTypeArray.prototype) {
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if (typeof (MimeTypeArray.prototype[_prototype]) != "function") {
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// 相当于Object.defineProperty的get方法，Proxy的get方法，hook原型上的所有方法属性
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MimeTypeArray.prototype.__defineGetter__(_prototype, function () {
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// this是实例
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throw new TypeError("Illegal constructor");
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// return this[pr];
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});
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}
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}
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///////////////////////
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// catvm.memory.MimeTypeArray.ls = [] // 所有MimeType存放点
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// 遍历 PluginArray实例里面的所有Plugin实例
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catvm.memory.MimeTypeArray.mimetype_count = 0;
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catvm.memory.MimeTypeArray.mimetype_types = {}; // 所有MimeType.type存放点
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for (let index = 0; index < catvm.memory.PluginArray._.length; index++) {
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let tmp_plugin = catvm.memory.PluginArray._[index];
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// 遍历 Plugin实例里面的所有MimeType实例，增加到 MimeTypeArray中
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for(let m_index=0;m_index<tmp_plugin.length;m_index++){
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let tmp_mimetype = tmp_plugin.item(m_index);
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// catvm.memory.MimeTypeArray.ls.push(tmp_mimetype);
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if(!(tmp_mimetype.type in catvm.memory.MimeTypeArray.mimetype_types)){
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catvm.memory.MimeTypeArray.mimetype_types[tmp_mimetype.type] = 1;
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catvm.memory.MimeTypeArray._[catvm.memory.MimeTypeArray.mimetype_count] = tmp_mimetype;
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catvm.memory.MimeTypeArray.mimetype_count += 1;
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// mimetype.type浏览器显示的是灰色名称，下面这种添加属性会是亮的，因此我们需要换一种添加方式
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Object.defineProperty(catvm.memory.MimeTypeArray._, tmp_mimetype.type, {
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value: tmp_mimetype,
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});
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}
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}
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}
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catvm.memory.MimeTypeArray._.length = catvm.memory.MimeTypeArray.mimetype_count;
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catvm.memory.MimeTypeArray._.__proto__ = MimeTypeArray.prototype;
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// 依赖注入
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navigator.mimeTypes = catvm.memory.MimeTypeArray._;
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// 代理一般挂在实例上
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navigator.mimeTypes = catvm.proxy(navigator.mimeTypes) |