michael@0: /* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
michael@0: /* vim: set ts=2 et sw=2 tw=80 filetype=javascript: */
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: /**
michael@0:  * This component implements the nsIDownloadManagerUI interface and opens the
michael@0:  * Downloads view for the most recent browser window when requested.
michael@0:  */
michael@0: 
michael@0: "use strict";
michael@0: 
michael@0: ////////////////////////////////////////////////////////////////////////////////
michael@0: //// Globals
michael@0: 
michael@0: const Cc = Components.classes;
michael@0: const Ci = Components.interfaces;
michael@0: const Cu = Components.utils;
michael@0: const Cr = Components.results;
michael@0: 
michael@0: Cu.import("resource://gre/modules/Services.jsm");
michael@0: Cu.import("resource://gre/modules/XPCOMUtils.jsm");
michael@0: 
michael@0: XPCOMUtils.defineLazyModuleGetter(this, "DownloadsCommon",
michael@0:                                   "resource:///modules/DownloadsCommon.jsm");
michael@0: XPCOMUtils.defineLazyServiceGetter(this, "gBrowserGlue",
michael@0:                                    "@mozilla.org/browser/browserglue;1",
michael@0:                                    "nsIBrowserGlue");
michael@0: XPCOMUtils.defineLazyModuleGetter(this, "RecentWindow",
michael@0:                                   "resource:///modules/RecentWindow.jsm");
michael@0: XPCOMUtils.defineLazyModuleGetter(this, "PrivateBrowsingUtils",
michael@0:                                   "resource://gre/modules/PrivateBrowsingUtils.jsm");
michael@0: 
michael@0: ////////////////////////////////////////////////////////////////////////////////
michael@0: //// DownloadsUI
michael@0: 
michael@0: function DownloadsUI()
michael@0: {
michael@0: }
michael@0: 
michael@0: DownloadsUI.prototype = {
michael@0:   classID: Components.ID("{4d99321e-d156-455b-81f7-e7aa2308134f}"),
michael@0: 
michael@0:   _xpcom_factory: XPCOMUtils.generateSingletonFactory(DownloadsUI),
michael@0: 
michael@0:   //////////////////////////////////////////////////////////////////////////////
michael@0:   //// nsISupports
michael@0: 
michael@0:   QueryInterface: XPCOMUtils.generateQI([Ci.nsIDownloadManagerUI]),
michael@0: 
michael@0:   //////////////////////////////////////////////////////////////////////////////
michael@0:   //// nsIDownloadManagerUI
michael@0: 
michael@0:   show: function DUI_show(aWindowContext, aDownload, aReason, aUsePrivateUI)
michael@0:   {
michael@0:     if (!aReason) {
michael@0:       aReason = Ci.nsIDownloadManagerUI.REASON_USER_INTERACTED;
michael@0:     }
michael@0: 
michael@0:     if (aReason == Ci.nsIDownloadManagerUI.REASON_NEW_DOWNLOAD) {
michael@0:       const kMinimized = Ci.nsIDOMChromeWindow.STATE_MINIMIZED;
michael@0:       let browserWin = gBrowserGlue.getMostRecentBrowserWindow();
michael@0: 
michael@0:       if (!browserWin || browserWin.windowState == kMinimized) {
michael@0:         this._showDownloadManagerUI(aWindowContext, aUsePrivateUI);
michael@0:       }
michael@0:       else {
michael@0:         // If the indicator is visible, then new download notifications are
michael@0:         // already handled by the panel service.
michael@0:         browserWin.DownloadsButton.checkIsVisible(function(isVisible) {
michael@0:           if (!isVisible) {
michael@0:             this._showDownloadManagerUI(aWindowContext, aUsePrivateUI);
michael@0:           }
michael@0:         }.bind(this));
michael@0:       }
michael@0:     } else {
michael@0:       this._showDownloadManagerUI(aWindowContext, aUsePrivateUI);
michael@0:     }
michael@0:   },
michael@0: 
michael@0:   get visible() true,
michael@0: 
michael@0:   getAttention: function () {},
michael@0: 
michael@0:   //////////////////////////////////////////////////////////////////////////////
michael@0:   //// Private
michael@0: 
michael@0:   /**
michael@0:    * Helper function that opens the download manager UI.
michael@0:    */
michael@0:   _showDownloadManagerUI: function (aWindowContext, aUsePrivateUI)
michael@0:   {
michael@0:     // If we weren't given a window context, try to find a browser window
michael@0:     // to use as our parent - and if that doesn't work, error out and give up.
michael@0:     let parentWindow = aWindowContext;
michael@0:     if (!parentWindow) {
michael@0:       parentWindow = RecentWindow.getMostRecentBrowserWindow({ private: !!aUsePrivateUI });
michael@0:       if (!parentWindow) {
michael@0:         Components.utils.reportError(
michael@0:           "Couldn't find a browser window to open the Places Downloads View " +
michael@0:           "from.");
michael@0:         return;
michael@0:       }
michael@0:     }
michael@0: 
michael@0:     // If window is private then show it in a tab.
michael@0:     if (PrivateBrowsingUtils.isWindowPrivate(parentWindow)) {
michael@0:       parentWindow.openUILinkIn("about:downloads", "tab");
michael@0:       return;
michael@0:     } else {
michael@0:       let organizer = Services.wm.getMostRecentWindow("Places:Organizer");
michael@0:       if (!organizer) {
michael@0:         parentWindow.openDialog("chrome://browser/content/places/places.xul",
michael@0:                                 "", "chrome,toolbar=yes,dialog=no,resizable",
michael@0:                                 "Downloads");
michael@0:       } else {
michael@0:         organizer.PlacesOrganizer.selectLeftPaneQuery("Downloads");
michael@0:         organizer.focus();
michael@0:       }
michael@0:     }
michael@0:   }
michael@0: };
michael@0: 
michael@0: ////////////////////////////////////////////////////////////////////////////////
michael@0: //// Module
michael@0: 
michael@0: this.NSGetFactory = XPCOMUtils.generateNSGetFactory([DownloadsUI]);