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