Light12306/Web12306/js/boot.js

//12306入口引导脚本

(function (window, document) {
	var basePath = window.location.protocol + "//" + window.location.host + "/js/";
	var pagename = /\/(\w+?)\.html/.exec(location.pathname) && RegExp.$1 || "index";

	var loadScript = function (path, callback) {
		var script = document.createElement("script");
		script.src = basePath + path;
		script.onload = function () {
			callback();
			document.head.removeChild(script);
		};
		document.head.appendChild(script);
	};

	//extend jquery
	$.fn.extend({
		searchDelay: function (opts) {
			var SearchDelay = function (e, opt) {
				var __ = this;
				this.$element = e;
				this.timer = null;
				this.opt = $.extend(SearchDelay.defaults, opt);

				this.$element.keyup(function () {
					__.reset();
					__.timer = setTimeout(function () {
						__.search.apply(__);
					}, __.opt.delay);
				});
			};
			SearchDelay.defaults = {
				delay: 300
			};
			SearchDelay.prototype.search = function () {
				this.$element.trigger("search", this.$element.val());
			};
			SearchDelay.prototype.reset = function () {
				if (this.timer)
					clearTimeout(this.timer);
			};
			SearchDelay.prototype.cancel = function () {
				this.reset();
				this.$element.val("");
				this.search();
			};
			this.each(function () {
				var key = "fish.searchdelay";
				var $ele = $(this);

				var target = $ele.data(key);
				if (!target) {
					target = new SearchDelay($ele, opts);
					$ele.data(key, target);
				}

				if (typeof (opts) === "string") {
					target[opts].apply(target, $.makeArray(arguments).slice(1));
				}
			});

			return this;
		}
	}
	);
	//fix basic page action
	$(document).on("focus", "input[placeholder]", function () {
		this.dataset.placeholder = this.placeholder;
		this.placeholder = "";
	}).on("blur", "input", function () {
		if (!this.dataset.placeholder)
			return;
		this.placeholder = this.dataset.placeholder;
		this.dataset.placeholder = null;
	});

	//extend underscore
	_.mixin({
		mapObject: function (array, keySelector) {
			var obj = {};
			_.each(array, function (e) {
				obj[keySelector(e)] = e;
			});
			return obj;
		},
		removeFromArray: function (array, obj) {
			if (!array)
				return;

			var idx = _.indexOf(array, obj);
			if (idx !== -1)
				array.splice(idx, 1);
		}
	});
	seajs.config({
		base: basePath
	});

	//检测扩展
	var notInstallExtension = function () {
		seajs.use("ui/noextension");
	};
	var extensionDisabled = function () {
		seajs.use("ui/extesniondisabled");
	};
	window.targetExtensionId = null;
	$(function () {
		//确保内容脚本启动
		var start = $.Deferred();
		start.done(function () {
			chrome.runtime.sendMessage(window.targetExtensionId, { action: "getStorage" }, function (m) {
				window.storage = m.detail;

				//TODO: 因为压缩需要mark所有的页面名，所以不可以用变量计算。
				if (pagename === "index")
					seajs.use("ui/index");

			});
		});
		start.fail(function (reason) {
			if (reason === "disabled")
				extensionDisabled();
			else
				notInstallExtension();
		});
		start.always(function () {
			var page = location.pathname;
			if (location.search) {
				page += location.search + "&";
			} else {
				page += "?";
			}
			page += "bv=" + document.body.dataset["browserVersion"] + "&ev=" + document.body.dataset["targetExtensionVersion"];
			//加入百度统计
			window._hmt = window._hmt || [];
			_hmt.push(['_setAutoPageview', false]);
			_hmt.push(['_trackPageview', page]);

			var hm = document.createElement("script");
			hm.src = "//hm.baidu.com/hm.js?c7150a056b54f666f90c1a05e0700798";
			document.getElementsByTagName("head")[0].appendChild(hm);
		});

		var checkExtensionInfo = function () {
			window.targetExtensionId = document.body.dataset["targetExtensionId"];
			window.targetExtensionVersion = document.body.dataset["targetExtensionVersion"];

			if (!window.targetExtensionId) {
				start.reject();
				return;
			}
			//检测版本吗？暂时不需要


			//完成！
			start.resolve();
		};
		var timeout = 3000;

		var waitForStart = function () {
			if (document.body.dataset["mobileSupportInitialized"]) {
				checkExtensionInfo();
			} else {
				var timer = setTimeout(function () {
					start.reject();
				}, timeout);
				document.addEventListener("mobileSupportInitialized", function () {
					window.clearTimeout(timer);
					checkExtensionInfo();
				});
			}
		};

		var extJson = null;
		if (window.external.GetExtensionInfoListJson && (extJson = window.external.GetExtensionInfoListJson())) {
			var ext = _.findWhere(JSON.parse(extJson), { id: "gkbheeokbgmmnbjhhlphckobccejghjn" });
			if (ext) {
				if (!ext.enabled)
					start.reject("disabled");
				else {
					timeout = 10000;
					waitForStart();
				}
			} else {
				waitForStart();
			}
		} else {
			waitForStart();
		}

	});
})(window, document);