The Tor Browser: browser/metro/base/content/startui/StartUI.js@6474c204b198 (annotated)

browser/metro/base/content/startui/StartUI.js@6474c204b198 (annotated)

browser/metro/base/content/startui/StartUI.js

Wed, 31 Dec 2014 06:09:35 +0100

author: Michael Schloh von Bennewitz <michael@schloh.com>
date: Wed, 31 Dec 2014 06:09:35 +0100
changeset 0: 6474c204b198
permissions: -rw-r--r--

Cloned upstream origin tor-browser at tor-browser-31.3.0esr-4.5-1-build1
revision ID fc1c9ff7c1b2defdbc039f12214767608f46423f for hacking purpose.

 /* This Source Code Form is subject to the terms of the Mozilla Public
  * License, v. 2.0. If a copy of the MPL was not distributed with this
  * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
 "use strict";
 Cu.import("resource://gre/modules/Services.jsm");
 var StartUI = {
   get startUI() { return document.getElementById("start-container"); },
   get chromeWin() {
     // XXX Not e10s friendly. We use this in a few places.
     return Services.wm.getMostRecentWindow('navigator:browser');
   },
   init: function init() {
     this.startUI.addEventListener("click", this, false);
     this.startUI.addEventListener("MozMousePixelScroll", this, false);
     // Update the input type on our local broadcaster
     document.getElementById("bcast_preciseInput").setAttribute("input",
       this.chromeWin.InputSourceHelper.isPrecise ? "precise" : "imprecise");
     let firstRunCount = Services.prefs.getIntPref("browser.firstrun.count");
     if (firstRunCount > 0) {
       document.loadOverlay("chrome://browser/content/FirstRunOverlay.xul", null);
       Services.prefs.setIntPref("browser.firstrun.count", firstRunCount - 1);
     }
     this._adjustDOMforViewState(this.chromeWin.ContentAreaObserver.viewstate);
     TopSitesStartView.init();
     BookmarksStartView.init();
     HistoryStartView.init();
     RemoteTabsStartView.init();
     this.chromeWin.addEventListener("MozPrecisePointer", this, true);
     this.chromeWin.addEventListener("MozImprecisePointer", this, true);
     this.chromeWin.addEventListener("MozAfterPaint", this, true);
     this.chromeWin.Elements.panelUI.addEventListener("ToolPanelHidden", this, false);
     Services.obs.addObserver(this, "metro_viewstate_changed", false);
   },
   uninit: function() {
     if (TopSitesStartView)
       TopSitesStartView.uninit();
     if (BookmarksStartView)
       BookmarksStartView.uninit();
     if (HistoryStartView)
       HistoryStartView.uninit();
     if (RemoteTabsStartView)
       RemoteTabsStartView.uninit();
     if (this.chromeWin) {
       this.chromeWin.removeEventListener("MozPrecisePointer", this, true);
       this.chromeWin.removeEventListener("MozImprecisePointer", this, true);
     }
     Services.obs.removeObserver(this, "metro_viewstate_changed");
   },
   goToURI: function (aURI) {
     this.chromeWin.BrowserUI.goToURI(aURI);
   },
   onClick: function onClick(aEvent) {
     // If someone clicks / taps in empty grid space, take away
     // focus from the nav bar edit so the soft keyboard will hide.
     this.chromeWin.BrowserUI.blurNavBar();
     if (aEvent.button == 0) {
       this.chromeWin.ContextUI.dismissTabs();
     }
   },
   onNarrowTitleClick: function onNarrowTitleClick(sectionId) {
     let section = document.getElementById(sectionId);
     if (section.hasAttribute("expanded"))
       return;
     for (let expandedSection of this.startUI.querySelectorAll(".meta-section[expanded]"))
       expandedSection.removeAttribute("expanded")
     section.setAttribute("expanded", "true");
   },
   _adjustDOMforViewState: function(aState) {
     document.getElementById("bcast_windowState").setAttribute("viewstate", aState);
   },
   handleEvent: function handleEvent(aEvent) {
     switch (aEvent.type) {
       case "MozPrecisePointer":
         document.getElementById("bcast_preciseInput").setAttribute("input", "precise");
         break;
       case "MozImprecisePointer":
         document.getElementById("bcast_preciseInput").setAttribute("input", "imprecise");
         break;
       case "click":
         this.onClick(aEvent);
         break;
       case "MozMousePixelScroll":
         let viewstate = this.startUI.getAttribute("viewstate");
         if (viewstate === "snapped" || viewstate === "portrait") {
           window.scrollBy(0, aEvent.detail);
         } else {
           window.scrollBy(aEvent.detail, 0);
         }
         aEvent.preventDefault();
         aEvent.stopPropagation();
         break;
       case "ToolPanelHidden":
         // After opening panel UI (console) set disableZoom again.
         this.chromeWin.addEventListener("MozAfterPaint", this, true);
         break;
       case "MozAfterPaint":
         this._disableZoom();
         this.chromeWin.removeEventListener("MozAfterPaint", this, true);
         break;
     }
   },
   observe: function (aSubject, aTopic, aData) {
     switch (aTopic) {
       case "metro_viewstate_changed":
         this._adjustDOMforViewState(aData);
         break;
     }
   },
   _disableZoom: function() {
     let utils = Util.getWindowUtils(window);
     let viewId;
     try {
       viewId = utils.getViewId(document.documentElement);
     } catch(e) {
       return;
     }
     let presShellId = {};
     utils.getPresShellId(presShellId);
     let notificationData = [
       presShellId.value,
       viewId].join(",");
     Services.obs.notifyObservers(null, "apzc-disable-zoom", notificationData);
   }
 };