493 lines
11 KiB
JavaScript
493 lines
11 KiB
JavaScript
/* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
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"use strict";
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const EXPORTED_SYMBOLS = ["S4EStatusService"];
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const CU = Components.utils;
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CU.import("resource://gre/modules/Services.jsm");
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CU.import("resource://gre/modules/XPCOMUtils.jsm");
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function S4EStatusService(window, service, getters)
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{
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this._window = window;
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this._service = service;
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this._getters = getters;
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this._overLinkService = new S4EOverlinkService(this._window, this._service, this);
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}
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S4EStatusService.prototype =
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{
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_window: null,
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_service: null,
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_getters: null,
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_overLinkService: null,
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_overLink: { val: "", type: "" },
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_network: { val: "", type: "" },
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_networkXHR: { val: "", type: "" },
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_status: { val: "", type: "" },
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_jsStatus: { val: "", type: "" },
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_defaultStatus: { val: "", type: "" },
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_isFullScreen: false,
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_isVideo: false,
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_statusText: { val: "", type: "" },
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_noUpdate: false,
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_statusChromeTimeoutID: 0,
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_statusContentTimeoutID: 0,
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getCompositeStatusText: function()
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{
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return this._statusText.val;
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},
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getStatusText: function()
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{
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return this._status.val;
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},
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setNetworkStatus: function(status, busy)
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{
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if(busy)
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{
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this._network = { val: status, type: "network" };
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this._networkXHR = { val: "", type: "network xhr" };
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}
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else
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{
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this._networkXHR = { val: status, type: "network xhr" };
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}
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this.updateStatusField();
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},
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setStatusText: function(status)
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{
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this._status = { val: status, type: "status chrome" };
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this.updateStatusField();
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},
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setJSStatus: function(status)
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{
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this._jsStatus = { val: status, type: "status content" };
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this.updateStatusField();
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},
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setJSDefaultStatus: function(status)
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{
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// This was removed from Firefox in Bug 862917
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},
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setDefaultStatus: function(status)
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{
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this._defaultStatus = { val: status, type: "status chrome default" };
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this.updateStatusField();
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},
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setOverLink: function(link, aAnchor)
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{
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this._overLinkService.update(link, aAnchor);
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},
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setOverLinkInternal: function(link, aAnchor)
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{
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let status = this._service.status;
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let statusLinkOver = this._service.statusLinkOver;
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if(statusLinkOver)
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{
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link = link.replace(/[\u200e\u200f\u202a\u202b\u202c\u202d\u202e]/g, encodeURIComponent);
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if(status == statusLinkOver)
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{
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this._overLink = { val: link, type: "overLink", anchor: aAnchor };
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this.updateStatusField();
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}
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else
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{
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this.setStatusField(statusLinkOver, { val: link, type: "overLink", anchor: aAnchor }, true);
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}
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}
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},
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setNoUpdate: function(nu)
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{
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this._noUpdate = nu;
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},
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buildBinding: function() {
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// Object.prototype.watch() shim, based on Eli Grey's polyfill
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// object.watch
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if (!this._window.XULBrowserWindow.watch) {
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Object.defineProperty(this._window.XULBrowserWindow, "watch", {
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enumerable: false,
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configurable: true,
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writable: false,
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value: function (prop, handler) {
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var oldval = this[prop],
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newval = oldval,
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getter = function () {
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return newval;
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},
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setter = function (val) {
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oldval = newval;
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return newval = handler.call(this, prop, oldval, val);
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}
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;
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try {
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if (delete this[prop]) { // can't watch constants
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Object.defineProperty(this, prop, {
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get: getter,
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set: setter,
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enumerable: true,
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configurable: true
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});
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}
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} catch(e) {
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// This fails fatally on non-configurable props, so just
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// ignore errors if it does.
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}
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}
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});
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}
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// object.unwatch
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if (!this._window.XULBrowserWindow.unwatch) {
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Object.defineProperty(this._window.XULBrowserWindow, "unwatch", {
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enumerable: false,
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configurable: true,
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writable: false,
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value: function (prop) {
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var val = this[prop];
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delete this[prop]; // remove accessors
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this[prop] = val;
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}
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});
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}
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let XULBWPropHandler = function(prop, oldval, newval) {
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CU.reportError("Attempt to modify XULBrowserWindow." + prop);
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return oldval;
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};
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["updateStatusField", "onStatusChange"].forEach(function(prop)
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{
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this._window.XULBrowserWindow.unwatch(prop);
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this._window.XULBrowserWindow[prop] = function() {};
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this._window.XULBrowserWindow.watch(prop, XULBWPropHandler);
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}, this);
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["getCompositeStatusText", "getStatusText", "setStatusText", "setJSStatus",
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"setJSDefaultStatus", "setDefaultStatus", "setOverLink"].forEach(function(prop)
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{
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this._window.XULBrowserWindow.unwatch(prop);
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this._window.XULBrowserWindow[prop] = this[prop].bind(this);
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this._window.XULBrowserWindow.watch(prop, XULBWPropHandler);
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}, this);
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},
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destroy: function()
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{
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// No need to unbind from the XULBrowserWindow, it's already null at this point
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this.clearTimer("_statusChromeTimeoutID");
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this.clearTimer("_statusContentTimeoutID");
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this._overLinkService.destroy();
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["_overLink", "_network", "_networkXHR", "_status", "_jsStatus", "_defaultStatus",
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"_statusText", "_window", "_service", "_getters", "_overLinkService"].forEach(function(prop)
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{
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delete this[prop];
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}, this);
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},
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buildTextOrder: function()
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{
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this.__defineGetter__("_textOrder", function()
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{
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let textOrder = ["_overLink"];
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if(this._service.statusNetwork)
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{
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textOrder.push("_network");
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if(this._service.statusNetworkXHR)
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{
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textOrder.push("_networkXHR");
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}
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}
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textOrder.push("_status", "_jsStatus");
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if(this._service.statusDefault)
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{
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textOrder.push("_defaultStatus");
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}
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delete this._textOrder;
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return this._textOrder = textOrder;
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});
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},
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updateStatusField: function(force)
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{
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let text = { val: "", type: "" };
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for(let i = 0; !text.val && i < this._textOrder.length; i++)
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{
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text = this[this._textOrder[i]];
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}
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if(this._statusText.val != text.val || force)
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{
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if(this._noUpdate)
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{
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return;
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}
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this._statusText = text;
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this.setStatusField(this._service.status, text, false);
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if(text.val && this._service.statusTimeout)
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{
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this.setTimer(text.type);
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}
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}
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},
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setFullScreenState: function(isFullScreen, isVideo)
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{
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this._isFullScreen = isFullScreen;
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this._isVideo = isFullScreen && isVideo;
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this.clearStatusField();
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this.updateStatusField(true);
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},
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setTimer: function(type)
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{
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let typeArgs = type.split(" ", 3);
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if(typeArgs.length < 2 || typeArgs[0] != "status")
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{
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return;
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}
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if(typeArgs[1] == "chrome")
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{
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this.clearTimer("_statusChromeTimeoutID");
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this._statusChromeTimeoutID = this._window.setTimeout(function(self, isDefault)
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{
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self._statusChromeTimeoutID = 0;
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if(isDefault)
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{
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self.setDefaultStatus("");
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}
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else
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{
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self.setStatusText("");
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}
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}, this._service.statusTimeout, this, (typeArgs.length == 3 && typeArgs[2] == "default"));
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}
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else
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{
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this.clearTimer("_statusContentTimeoutID");
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this._statusContentTimeoutID = this._window.setTimeout(function(self)
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{
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self._statusContentTimeoutID = 0;
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self.setJSStatus("");
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}, this._service.statusTimeout, this);
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}
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},
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clearTimer: function(timerName)
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{
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if(this[timerName] != 0)
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{
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this._window.clearTimeout(this[timerName]);
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this[timerName] = 0;
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}
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},
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clearStatusField: function()
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{
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this._getters.statusOverlay.value = "";
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let status_label = this._getters.statusWidgetLabel;
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if(status_label)
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{
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status_label.value = "";
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}
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},
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setStatusField: function(location, text, allowTooltip)
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{
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if(!location)
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{
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return;
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}
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let label = null;
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if(this._isFullScreen)
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{
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switch(location)
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{
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case 1: // Toolbar
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location = 3
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break;
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case 2: // URL bar
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if(Services.prefs.getBoolPref("browser.fullscreen.autohide"))
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{
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location = 3
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}
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break;
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}
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}
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switch(location)
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{
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case 1: // Toolbar
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label = this._getters.statusWidgetLabel;
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break;
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case 2: // URL Bar
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break;
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case 3: // Popup
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default:
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if(this._isVideo)
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{
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return;
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}
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label = this._getters.statusOverlay;
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break;
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}
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if(label)
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{
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label.setAttribute("previoustype", label.getAttribute("type"));
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label.setAttribute("type", text.type);
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label.value = text.val;
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label.setAttribute("crop", text.type == "overLink" ? "center" : "end");
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}
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}
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};
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function S4EOverlinkService(window, service, statusService) {
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this._window = window;
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this._service = service;
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this._statusService = statusService;
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}
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S4EOverlinkService.prototype =
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{
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_window: null,
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_service: null,
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_statusService: null,
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_timer: 0,
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_currentLink: { link: "", anchor: null },
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_pendingLink: { link: "", anchor: null },
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_listening: false,
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update: function(aLink, aAnchor)
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{
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this.clearTimer();
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this.stopListen();
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this._pendingLink = { link: aLink, anchor: aAnchor };
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if(!aLink)
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{
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if(this._window.XULBrowserWindow.hideOverLinkImmediately || !this._service.statusLinkOverDelayHide)
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{
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this._show();
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}
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else
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{
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this._showDelayed();
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}
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}
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else if(this._currentLink.link || !this._service.statusLinkOverDelayShow)
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{
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this._show();
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}
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else
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{
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this._showDelayed();
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this.startListen();
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}
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},
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destroy: function()
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{
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this.clearTimer();
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this.stopListen();
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["_currentLink", "_pendingLink", "_statusService", "_window"].forEach(function(prop)
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{
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delete this[prop];
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}, this);
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},
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startListen: function()
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{
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if(!this._listening)
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{
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this._window.addEventListener("mousemove", this, true);
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this._listening = true;
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}
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},
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stopListen: function()
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{
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if(this._listening)
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{
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this._window.removeEventListener("mousemove", this, true);
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this._listening = false;
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}
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},
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clearTimer: function()
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{
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if(this._timer != 0)
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{
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this._window.clearTimeout(this._timer);
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this._timer = 0;
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}
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},
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handleEvent: function(event)
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{
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switch(event.type)
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{
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case "mousemove":
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this.clearTimer();
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this._showDelayed();
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}
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},
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_showDelayed: function()
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{
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let delay = ((this._pendingLink.link)
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? this._service.statusLinkOverDelayShow
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: this._service.statusLinkOverDelayHide);
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this._timer = this._window.setTimeout(function(self)
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{
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self._timer = 0;
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self._show();
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self.stopListen();
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}, delay, this);
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},
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_show: function()
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{
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this._currentLink = this._pendingLink;
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this._statusService.setOverLinkInternal(this._currentLink.link, this._currentLink.anchor);
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}
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};
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