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: Components.utils.import("resource://gre/modules/XPCOMUtils.jsm");
michael@0: 
michael@0: ////////////////////////////////////////////////////////////////////////////////
michael@0: //// Constants
michael@0: 
michael@0: const Cc = Components.classes;
michael@0: const Ci = Components.interfaces;
michael@0: const Cr = Components.results;
michael@0: const DOWNLOAD_MANAGER_URL = "chrome://mozapps/content/downloads/downloads.xul";
michael@0: const PREF_FLASH_COUNT = "browser.download.manager.flashCount";
michael@0: 
michael@0: ////////////////////////////////////////////////////////////////////////////////
michael@0: //// nsDownloadManagerUI class
michael@0: 
michael@0: function nsDownloadManagerUI() {}
michael@0: 
michael@0: nsDownloadManagerUI.prototype = {
michael@0:   classID: Components.ID("7dfdf0d1-aff6-4a34-bad1-d0fe74601642"),
michael@0: 
michael@0:   //////////////////////////////////////////////////////////////////////////////
michael@0:   //// nsIDownloadManagerUI
michael@0: 
michael@0:   show: function show(aWindowContext, aDownload, aReason, aUsePrivateUI)
michael@0:   {
michael@0:     if (!aReason)
michael@0:       aReason = Ci.nsIDownloadManagerUI.REASON_USER_INTERACTED;
michael@0: 
michael@0:     // First we see if it is already visible
michael@0:     let window = this.recentWindow;
michael@0:     if (window) {
michael@0:       window.focus();
michael@0:       
michael@0:       // If we are being asked to show again, with a user interaction reason,
michael@0:       // set the appropriate variable.
michael@0:       if (aReason == Ci.nsIDownloadManagerUI.REASON_USER_INTERACTED)
michael@0:         window.gUserInteracted = true;
michael@0:       return;
michael@0:     }
michael@0: 
michael@0:     let parent = null;
michael@0:     // We try to get a window to use as the parent here.  If we don't have one,
michael@0:     // the download manager will close immediately after opening if the pref
michael@0:     // browser.download.manager.closeWhenDone is set to true.
michael@0:     try {
michael@0:       if (aWindowContext)
michael@0:         parent = aWindowContext.getInterface(Ci.nsIDOMWindow);
michael@0:     } catch (e) { /* it's OK to not have a parent window */ }
michael@0: 
michael@0:     // We pass the download manager and the nsIDownload we want selected (if any)
michael@0:     var params = Cc["@mozilla.org/array;1"].createInstance(Ci.nsIMutableArray);
michael@0:     params.appendElement(aDownload, false);
michael@0: 
michael@0:     // Pass in the reason as well
michael@0:     let reason = Cc["@mozilla.org/supports-PRInt16;1"].
michael@0:                  createInstance(Ci.nsISupportsPRInt16);
michael@0:     reason.data = aReason;
michael@0:     params.appendElement(reason, false);
michael@0: 
michael@0:     var ww = Cc["@mozilla.org/embedcomp/window-watcher;1"].
michael@0:              getService(Ci.nsIWindowWatcher);
michael@0:     ww.openWindow(parent,
michael@0:                   DOWNLOAD_MANAGER_URL,
michael@0:                   "Download:Manager",
michael@0:                   "chrome,dialog=no,resizable",
michael@0:                   params);
michael@0:   },
michael@0: 
michael@0:   get visible() {
michael@0:     return (null != this.recentWindow);
michael@0:   },
michael@0: 
michael@0:   getAttention: function getAttention()
michael@0:   {
michael@0:     if (!this.visible)
michael@0:       throw Cr.NS_ERROR_UNEXPECTED;
michael@0: 
michael@0:     var prefs = Cc["@mozilla.org/preferences-service;1"].
michael@0:                 getService(Ci.nsIPrefBranch);
michael@0:     // This preference may not be set, so defaulting to two.
michael@0:     let flashCount = 2;
michael@0:     try {
michael@0:       flashCount = prefs.getIntPref(PREF_FLASH_COUNT);
michael@0:     } catch (e) { }
michael@0: 
michael@0:     var win = this.recentWindow.QueryInterface(Ci.nsIDOMChromeWindow);
michael@0:     win.getAttentionWithCycleCount(flashCount);
michael@0:   },
michael@0: 
michael@0:   //////////////////////////////////////////////////////////////////////////////
michael@0:   //// nsDownloadManagerUI
michael@0: 
michael@0:   get recentWindow() {
michael@0:     var wm = Cc["@mozilla.org/appshell/window-mediator;1"].
michael@0:              getService(Ci.nsIWindowMediator);
michael@0:     return wm.getMostRecentWindow("Download:Manager");
michael@0:   },
michael@0: 
michael@0:   //////////////////////////////////////////////////////////////////////////////
michael@0:   //// nsISupports
michael@0: 
michael@0:   QueryInterface: XPCOMUtils.generateQI([Ci.nsIDownloadManagerUI])
michael@0: };
michael@0: 
michael@0: ////////////////////////////////////////////////////////////////////////////////
michael@0: //// Module
michael@0: 
michael@0: let components = [nsDownloadManagerUI];
michael@0: this.NSGetFactory = XPCOMUtils.generateNSGetFactory(components);
michael@0: