зеркало из https://github.com/mozilla/gecko-dev.git
493 строки
15 KiB
JavaScript
493 строки
15 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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let TabView = {
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_deck: null,
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_iframe: null,
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_window: null,
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_initialized: false,
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_browserKeyHandlerInitialized: false,
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_closedLastVisibleTabBeforeFrameInitialized: false,
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_isFrameLoading: false,
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_initFrameCallbacks: [],
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PREF_BRANCH: "browser.panorama.",
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PREF_FIRST_RUN: "browser.panorama.experienced_first_run",
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PREF_STARTUP_PAGE: "browser.startup.page",
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PREF_RESTORE_ENABLED_ONCE: "browser.panorama.session_restore_enabled_once",
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GROUPS_IDENTIFIER: "tabview-groups",
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VISIBILITY_IDENTIFIER: "tabview-visibility",
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// ----------
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get windowTitle() {
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delete this.windowTitle;
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let brandBundle = document.getElementById("bundle_brand");
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let brandShortName = brandBundle.getString("brandShortName");
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let title = gNavigatorBundle.getFormattedString("tabview.title", [brandShortName]);
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return this.windowTitle = title;
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},
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// ----------
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get firstUseExperienced() {
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let pref = this.PREF_FIRST_RUN;
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if (Services.prefs.prefHasUserValue(pref))
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return Services.prefs.getBoolPref(pref);
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return false;
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},
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// ----------
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set firstUseExperienced(val) {
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Services.prefs.setBoolPref(this.PREF_FIRST_RUN, val);
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},
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// ----------
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get sessionRestoreEnabledOnce() {
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let pref = this.PREF_RESTORE_ENABLED_ONCE;
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if (Services.prefs.prefHasUserValue(pref))
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return Services.prefs.getBoolPref(pref);
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return false;
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},
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// ----------
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set sessionRestoreEnabledOnce(val) {
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Services.prefs.setBoolPref(this.PREF_RESTORE_ENABLED_ONCE, val);
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},
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// ----------
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init: function TabView_init() {
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// disable the ToggleTabView command for popup windows
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goSetCommandEnabled("Browser:ToggleTabView", window.toolbar.visible);
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if (!window.toolbar.visible)
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return;
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if (this._initialized)
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return;
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if (this.firstUseExperienced) {
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// ___ visibility
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let data = SessionStore.getWindowValue(window, this.VISIBILITY_IDENTIFIER);
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if (data && data == "true") {
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this.show();
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} else {
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try {
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data = SessionStore.getWindowValue(window, this.GROUPS_IDENTIFIER);
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if (data) {
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let parsedData = JSON.parse(data);
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this.updateGroupNumberBroadcaster(parsedData.totalNumber || 1);
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}
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} catch (e) { }
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let self = this;
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// if a tab is changed from hidden to unhidden and the iframe is not
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// initialized, load the iframe and setup the tab.
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this._tabShowEventListener = function(event) {
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if (!self._window)
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self._initFrame(function() {
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self._window.UI.onTabSelect(gBrowser.selectedTab);
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if (self._closedLastVisibleTabBeforeFrameInitialized) {
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self._closedLastVisibleTabBeforeFrameInitialized = false;
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self._window.UI.showTabView(false);
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}
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});
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};
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this._tabCloseEventListener = function(event) {
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if (!self._window && gBrowser.visibleTabs.length == 0)
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self._closedLastVisibleTabBeforeFrameInitialized = true;
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};
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gBrowser.tabContainer.addEventListener(
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"TabShow", this._tabShowEventListener, false);
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gBrowser.tabContainer.addEventListener(
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"TabClose", this._tabCloseEventListener, false);
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if (this._tabBrowserHasHiddenTabs()) {
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this._setBrowserKeyHandlers();
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} else {
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// for restoring last session and undoing recently closed window
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this._SSWindowStateReadyListener = function (event) {
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if (this._tabBrowserHasHiddenTabs())
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this._setBrowserKeyHandlers();
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}.bind(this);
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window.addEventListener(
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"SSWindowStateReady", this._SSWindowStateReadyListener, false);
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}
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}
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}
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Services.prefs.addObserver(this.PREF_BRANCH, this, false);
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this._initialized = true;
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},
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// ----------
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// Observes topic changes.
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observe: function TabView_observe(subject, topic, data) {
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if (data == this.PREF_FIRST_RUN && this.firstUseExperienced) {
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this._addToolbarButton();
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this.enableSessionRestore();
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}
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},
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// ----------
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// Uninitializes TabView.
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uninit: function TabView_uninit() {
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if (!this._initialized)
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return;
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Services.prefs.removeObserver(this.PREF_BRANCH, this);
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if (this._tabShowEventListener)
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gBrowser.tabContainer.removeEventListener(
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"TabShow", this._tabShowEventListener, false);
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if (this._tabCloseEventListener)
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gBrowser.tabContainer.removeEventListener(
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"TabClose", this._tabCloseEventListener, false);
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if (this._SSWindowStateReadyListener)
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window.removeEventListener(
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"SSWindowStateReady", this._SSWindowStateReadyListener, false);
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this._initialized = false;
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if (this._window) {
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this._window = null;
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}
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if (this._iframe) {
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this._iframe.remove();
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this._iframe = null;
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}
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},
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// ----------
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// Creates the frame and calls the callback once it's loaded.
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// If the frame already exists, calls the callback immediately.
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_initFrame: function TabView__initFrame(callback) {
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let hasCallback = typeof callback == "function";
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// prevent frame to be initialized for popup windows
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if (!window.toolbar.visible)
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return;
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if (this._window) {
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if (hasCallback)
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callback();
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return;
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}
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if (hasCallback)
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this._initFrameCallbacks.push(callback);
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if (this._isFrameLoading)
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return;
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this._isFrameLoading = true;
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TelemetryStopwatch.start("PANORAMA_INITIALIZATION_TIME_MS");
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// ___ find the deck
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this._deck = document.getElementById("tab-view-deck");
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// ___ create the frame
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this._iframe = document.createElement("iframe");
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this._iframe.id = "tab-view";
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this._iframe.setAttribute("transparent", "true");
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this._iframe.setAttribute("tooltip", "tab-view-tooltip");
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this._iframe.flex = 1;
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let self = this;
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window.addEventListener("tabviewframeinitialized", function onInit() {
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window.removeEventListener("tabviewframeinitialized", onInit, false);
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TelemetryStopwatch.finish("PANORAMA_INITIALIZATION_TIME_MS");
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self._isFrameLoading = false;
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self._window = self._iframe.contentWindow;
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self._setBrowserKeyHandlers();
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if (self._tabShowEventListener) {
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gBrowser.tabContainer.removeEventListener(
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"TabShow", self._tabShowEventListener, false);
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self._tabShowEventListener = null;
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}
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if (self._tabCloseEventListener) {
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gBrowser.tabContainer.removeEventListener(
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"TabClose", self._tabCloseEventListener, false);
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self._tabCloseEventListener = null;
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}
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if (self._SSWindowStateReadyListener) {
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window.removeEventListener(
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"SSWindowStateReady", self._SSWindowStateReadyListener, false);
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self._SSWindowStateReadyListener = null;
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}
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self._initFrameCallbacks.forEach(function (cb) cb());
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self._initFrameCallbacks = [];
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}, false);
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this._iframe.setAttribute("src", "chrome://browser/content/tabview.html");
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this._deck.appendChild(this._iframe);
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// ___ create tooltip
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let tooltip = document.createElement("tooltip");
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tooltip.id = "tab-view-tooltip";
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tooltip.setAttribute("onpopupshowing", "return TabView.fillInTooltip(document.tooltipNode);");
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document.getElementById("mainPopupSet").appendChild(tooltip);
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},
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// ----------
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getContentWindow: function TabView_getContentWindow() {
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return this._window;
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},
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// ----------
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isVisible: function TabView_isVisible() {
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return (this._deck ? this._deck.selectedPanel == this._iframe : false);
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},
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// ----------
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show: function TabView_show() {
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if (this.isVisible())
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return;
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let self = this;
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this._initFrame(function() {
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self._window.UI.showTabView(true);
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});
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},
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// ----------
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hide: function TabView_hide() {
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if (this.isVisible() && this._window) {
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this._window.UI.exit();
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}
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},
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// ----------
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toggle: function TabView_toggle() {
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if (this.isVisible())
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this.hide();
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else
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this.show();
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},
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// ----------
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_tabBrowserHasHiddenTabs: function TabView_tabBrowserHasHiddenTabs() {
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return (gBrowser.tabs.length - gBrowser.visibleTabs.length) > 0;
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},
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// ----------
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updateContextMenu: function TabView_updateContextMenu(tab, popup) {
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let separator = document.getElementById("context_tabViewNamedGroups");
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let isEmpty = true;
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while (popup.firstChild && popup.firstChild != separator)
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popup.removeChild(popup.firstChild);
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let self = this;
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this._initFrame(function() {
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let activeGroup = tab._tabViewTabItem.parent;
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let groupItems = self._window.GroupItems.groupItems;
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groupItems.forEach(function(groupItem) {
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// if group has title, it's not hidden and there is no active group or
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// the active group id doesn't match the group id, a group menu item
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// would be added.
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if (!groupItem.hidden &&
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(groupItem.getTitle().trim() || groupItem.getChildren().length) &&
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(!activeGroup || activeGroup.id != groupItem.id)) {
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let menuItem = self._createGroupMenuItem(groupItem);
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popup.insertBefore(menuItem, separator);
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isEmpty = false;
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}
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});
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separator.hidden = isEmpty;
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});
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},
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// ----------
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_createGroupMenuItem: function TabView__createGroupMenuItem(groupItem) {
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let menuItem = document.createElement("menuitem");
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let title = groupItem.getTitle();
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if (!title.trim()) {
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let topChildLabel = groupItem.getTopChild().tab.label;
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let childNum = groupItem.getChildren().length;
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if (childNum > 1) {
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let num = childNum - 1;
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title =
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gNavigatorBundle.getString("tabview.moveToUnnamedGroup.label");
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title = PluralForm.get(num, title).replace("#1", topChildLabel).replace("#2", num);
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} else {
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title = topChildLabel;
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}
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}
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menuItem.setAttribute("label", title);
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menuItem.setAttribute("tooltiptext", title);
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menuItem.setAttribute("crop", "center");
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menuItem.setAttribute("class", "tabview-menuitem");
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menuItem.setAttribute(
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"oncommand",
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"TabView.moveTabTo(TabContextMenu.contextTab,'" + groupItem.id + "')");
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return menuItem;
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},
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// ----------
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moveTabTo: function TabView_moveTabTo(tab, groupItemId) {
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if (this._window) {
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this._window.GroupItems.moveTabToGroupItem(tab, groupItemId);
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} else {
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let self = this;
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this._initFrame(function() {
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self._window.GroupItems.moveTabToGroupItem(tab, groupItemId);
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});
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}
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},
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// ----------
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// Adds new key commands to the browser, for invoking the Tab Candy UI
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// and for switching between groups of tabs when outside of the Tab Candy UI.
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_setBrowserKeyHandlers: function TabView__setBrowserKeyHandlers() {
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if (this._browserKeyHandlerInitialized)
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return;
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this._browserKeyHandlerInitialized = true;
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let self = this;
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window.addEventListener("keypress", function(event) {
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if (self.isVisible() || !self._tabBrowserHasHiddenTabs())
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return;
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let charCode = event.charCode;
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// Control (+ Shift) + `
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if (event.ctrlKey && !event.metaKey && !event.altKey &&
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(charCode == 96 || charCode == 126)) {
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event.stopPropagation();
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event.preventDefault();
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self._initFrame(function() {
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let groupItems = self._window.GroupItems;
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let tabItem = groupItems.getNextGroupItemTab(event.shiftKey);
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if (!tabItem)
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return;
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if (gBrowser.selectedTab.pinned)
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groupItems.updateActiveGroupItemAndTabBar(tabItem, {dontSetActiveTabInGroup: true});
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else
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gBrowser.selectedTab = tabItem.tab;
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});
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}
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}, true);
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},
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// ----------
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// Prepares the tab view for undo close tab.
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prepareUndoCloseTab: function TabView_prepareUndoCloseTab(blankTabToRemove) {
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if (this._window) {
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this._window.UI.restoredClosedTab = true;
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if (blankTabToRemove && blankTabToRemove._tabViewTabItem)
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blankTabToRemove._tabViewTabItem.isRemovedAfterRestore = true;
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}
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},
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// ----------
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// Cleans up the tab view after undo close tab.
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afterUndoCloseTab: function TabView_afterUndoCloseTab() {
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if (this._window)
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this._window.UI.restoredClosedTab = false;
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},
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// ----------
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// On move to group pop showing.
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moveToGroupPopupShowing: function TabView_moveToGroupPopupShowing(event) {
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// Update the context menu only if Panorama was already initialized or if
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// there are hidden tabs.
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let numHiddenTabs = gBrowser.tabs.length - gBrowser.visibleTabs.length;
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if (this._window || numHiddenTabs > 0)
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this.updateContextMenu(TabContextMenu.contextTab, event.target);
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},
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// ----------
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// Function: _addToolbarButton
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// Adds the TabView button to the TabsToolbar.
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_addToolbarButton: function TabView__addToolbarButton() {
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let buttonId = "tabview-button";
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if (document.getElementById(buttonId))
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return;
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let toolbar = document.getElementById("TabsToolbar");
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let currentSet = toolbar.currentSet.split(",");
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let alltabsPos = currentSet.indexOf("alltabs-button");
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if (-1 == alltabsPos)
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return;
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let allTabsBtn = document.getElementById("alltabs-button");
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let nextItem = allTabsBtn.nextSibling;
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toolbar.insertItem(buttonId, nextItem);
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},
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// ----------
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// Function: updateGroupNumberBroadcaster
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// Updates the group number broadcaster.
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updateGroupNumberBroadcaster: function TabView_updateGroupNumberBroadcaster(number) {
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let groupsNumber = document.getElementById("tabviewGroupsNumber");
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groupsNumber.setAttribute("groups", number);
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},
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// ----------
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// Function: enableSessionRestore
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// Enables automatic session restore when the browser is started. Does
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// nothing if we already did that once in the past.
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enableSessionRestore: function TabView_enableSessionRestore() {
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if (!this._window || !this.firstUseExperienced)
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return;
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// do nothing if we already enabled session restore once
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if (this.sessionRestoreEnabledOnce)
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return;
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this.sessionRestoreEnabledOnce = true;
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// enable session restore if necessary
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if (Services.prefs.getIntPref(this.PREF_STARTUP_PAGE) != 3) {
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Services.prefs.setIntPref(this.PREF_STARTUP_PAGE, 3);
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// show banner
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this._window.UI.notifySessionRestoreEnabled();
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}
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},
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// ----------
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// Function: fillInTooltip
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// Fills in the tooltip text.
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fillInTooltip: function fillInTooltip(tipElement) {
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let retVal = false;
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let titleText = null;
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let direction = tipElement.ownerDocument.dir;
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while (!titleText && tipElement) {
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if (tipElement.nodeType == Node.ELEMENT_NODE)
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titleText = tipElement.getAttribute("title");
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tipElement = tipElement.parentNode;
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}
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let tipNode = document.getElementById("tab-view-tooltip");
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tipNode.style.direction = direction;
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if (titleText) {
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tipNode.setAttribute("label", titleText);
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retVal = true;
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}
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return retVal;
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}
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};
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