mirror of
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267 lines
8.3 KiB
JavaScript
267 lines
8.3 KiB
JavaScript
# ***** BEGIN LICENSE BLOCK *****
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# Version: MPL 1.1/GPL 2.0/LGPL 2.1
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#
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# The contents of this file are subject to the Mozilla Public License Version
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# 1.1 (the "License"); you may not use this file except in compliance with
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# the License. You may obtain a copy of the License at
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# http://www.mozilla.org/MPL/
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#
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# Software distributed under the License is distributed on an "AS IS" basis,
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# WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
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# for the specific language governing rights and limitations under the
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# License.
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#
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# The Original Code is the Tab View
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#
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# The Initial Developer of the Original Code is Mozilla Foundation.
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# Portions created by the Initial Developer are Copyright (C) 2010
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# the Initial Developer. All Rights Reserved.
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#
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# Contributor(s):
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# Raymond Lee <raymond@appcoast.com>
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# Ian Gilman <ian@iangilman.com>
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#
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# Alternatively, the contents of this file may be used under the terms of
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# either the GNU General Public License Version 2 or later (the "GPL"), or
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# the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
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# in which case the provisions of the GPL or the LGPL are applicable instead
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# of those above. If you wish to allow use of your version of this file only
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# under the terms of either the GPL or the LGPL, and not to allow others to
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# use your version of this file under the terms of the MPL, indicate your
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# decision by deleting the provisions above and replace them with the notice
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# and other provisions required by the GPL or the LGPL. If you do not delete
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# the provisions above, a recipient may use your version of this file under
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# the terms of any one of the MPL, the GPL or the LGPL.
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#
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# ***** END LICENSE BLOCK *****
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let TabView = {
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_deck: null,
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_window: null,
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_sessionstore: null,
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_visibilityID: "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("tabView2.title", [brandShortName]);
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return this.windowTitle = title;
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},
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// ----------
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init: function TabView_init() {
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// ___ keys
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this._setBrowserKeyHandlers();
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// ___ visibility
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this._sessionstore =
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Cc["@mozilla.org/browser/sessionstore;1"].
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getService(Ci.nsISessionStore);
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let data = this._sessionstore.getWindowValue(window, this._visibilityID);
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if (data && data == "true") {
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this.show();
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} else {
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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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});
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};
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gBrowser.tabContainer.addEventListener(
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"TabShow", this._tabShowEventListener, true);
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}
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},
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// ----------
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uninit: function TabView_uninit() {
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if (this._window)
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Services.obs.removeObserver(this, "quit-application-requested");
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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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if (this._window) {
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if (typeof callback == "function")
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callback();
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} else {
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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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let iframe = document.createElement("iframe");
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iframe.id = "tab-view";
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iframe.setAttribute("transparent", "true");
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iframe.flex = 1;
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if (typeof callback == "function")
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iframe.addEventListener("DOMContentLoaded", callback, false);
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iframe.setAttribute("src", "chrome://browser/content/tabview.html");
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this._deck.appendChild(iframe);
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this._window = iframe.contentWindow;
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// ___ visibility storage handler
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Services.obs.addObserver(this, "quit-application-requested", false);
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if (this._tabShowEventListener) {
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gBrowser.tabContainer.removeEventListener(
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"TabShow", this._tabShowEventListener, true);
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}
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}
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},
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// ----------
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observe: function TabView_observe(subject, topic, data) {
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if (topic == "quit-application-requested") {
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let data = (this.isVisible() ? "true" : "false");
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this._sessionstore.setWindowValue(window, this._visibilityID, data);
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}
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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() {
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return (this._deck ? this._deck.selectedIndex == 1 : false);
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},
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// ----------
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show: function() {
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if (this.isVisible())
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return;
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this._initFrame(function() {
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let event = document.createEvent("Events");
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event.initEvent("tabviewshow", false, false);
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dispatchEvent(event);
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});
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},
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// ----------
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hide: function() {
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if (!this.isVisible())
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return;
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let event = document.createEvent("Events");
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event.initEvent("tabviewhide", false, false);
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dispatchEvent(event);
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},
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// ----------
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toggle: function() {
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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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getActiveGroupName: function Tabview_getActiveGroupName() {
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// We get the active group this way, instead of querying
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// GroupItems.getActiveGroupItem() because the tabSelect event
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// will not have happened by the time the browser tries to
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// update the title.
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let activeTab = window.gBrowser.selectedTab;
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if (activeTab.tabItem && activeTab.tabItem.parent){
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let groupName = activeTab.tabItem.parent.getTitle();
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if (groupName)
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return groupName;
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}
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return null;
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},
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// ----------
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updateContextMenu: function(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.tabItem.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.getTitle().length > 0 && !groupItem.hidden &&
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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(groupItem) {
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let menuItem = document.createElement("menuitem")
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menuItem.setAttribute("label", groupItem.getTitle());
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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(tab, groupItemId) {
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if (this._window)
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this._window.GroupItems.moveTabToGroupItem(tab, groupItemId);
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},
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// ----------
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enableSearch: function Tabview_enableSearch(event) {
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if (this._window)
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this._window.UI.enableSearch(event);
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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() {
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let self = this;
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window.addEventListener("keypress", function(event) {
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if (self.isVisible())
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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 tabItem = self._window.GroupItems.getNextGroupItemTab(event.shiftKey);
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if (tabItem)
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window.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() {
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if (this._window)
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this._window.UI.restoredClosedTab = true;
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}
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};
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