mirror of
https://github.com/Big1moster/catvm.git
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100 lines
3.2 KiB
JavaScript
100 lines
3.2 KiB
JavaScript
// 存储一些值，避免污染全局变量空间
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catvm.memory.plugin = {};
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var Plugin = function Plugin() { // 构造函数
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throw new TypeError("Illegal constructor");
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};
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catvm.safefunction(Plugin);
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catvm.memory.plugin.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.plugin.iterator);
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Object.defineProperties(Plugin.prototype, {
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[Symbol.toStringTag]: {
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value: "Plugin",
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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.plugin.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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Plugin.prototype.name = "";
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Plugin.prototype.filename = "";
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Plugin.prototype.description = "";
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Plugin.prototype.length = 0;
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Plugin.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(Plugin.prototype.item);
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Plugin.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(Plugin.prototype.namedItem);
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for (var _prototype in Plugin.prototype) {
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if (typeof (Plugin.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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Plugin.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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{ name: 'Chrome PDF Viewer', filename: 'internal-pdf-viewer', description: 'Portable Document Format',MimeTypes:[{"description": "Portable Document Format","suffixes": "pdf","type": "application/pdf"},{"description": "xxxxx","suffixes": "xxxxpdf","type": "xxxxapplication/pdf"}]}
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*/
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////////
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catvm.memory.plugin.new = function (data) {
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var plugin = {};
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if (data != undefined) {
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plugin.description = data.description;
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plugin.filename = data.filename;
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plugin.name = data.name;
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// MimeType
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if (data.MimeTypes != undefined) {
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for (let index = 0; index < data.MimeTypes.length; index++) {
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var mimetypedata = data.MimeTypes[index];
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var mimetype = catvm.memory.mimetype.new(mimetypedata, plugin);
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plugin[index] = mimetype;
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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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// plugin[mimetype.type] = mimetype;
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Object.defineProperty(plugin, mimetype.type, {
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value: mimetype,
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writable: true // 是否可以改变
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});
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}
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plugin.length = data.MimeTypes.length;
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}
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}
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// 先赋完值，在指向原型
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plugin.__proto__ = Plugin.prototype;
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return plugin;
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};
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// 代理一般挂在实例上
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navigator.plugins = catvm.proxy(navigator.plugins);
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