1 files changed, 107 insertions, 0 deletions
diff --git a/toolkit/components/downloads/nsDownloadManagerUI.js b/toolkit/components/downloads/nsDownloadManagerUI.js
new file mode 100644
index 0000000000..11e241403e
--- /dev/null
+++ b/toolkit/components/downloads/nsDownloadManagerUI.js
@@ -0,0 +1,107 @@
+/* This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
+
+Components.utils.import("resource://gre/modules/XPCOMUtils.jsm");
+
+// Constants
+
+const Cc = Components.classes;
+const Ci = Components.interfaces;
+const Cr = Components.results;
+const DOWNLOAD_MANAGER_URL = "chrome://mozapps/content/downloads/downloads.xul";
+const PREF_FLASH_COUNT = "browser.download.manager.flashCount";
+
+// nsDownloadManagerUI class
+
+function nsDownloadManagerUI() {}
+
+nsDownloadManagerUI.prototype = {
+  classID: Components.ID("7dfdf0d1-aff6-4a34-bad1-d0fe74601642"),
+
+  // nsIDownloadManagerUI
+
+  show: function show(aWindowContext, aDownload, aReason, aUsePrivateUI)
+  {
+    if (!aReason)
+      aReason = Ci.nsIDownloadManagerUI.REASON_USER_INTERACTED;
+
+    // First we see if it is already visible
+    let window = this.recentWindow;
+    if (window) {
+      window.focus();
+
+      // If we are being asked to show again, with a user interaction reason,
+      // set the appropriate variable.
+      if (aReason == Ci.nsIDownloadManagerUI.REASON_USER_INTERACTED)
+        window.gUserInteracted = true;
+      return;
+    }
+
+    let parent = null;
+    // We try to get a window to use as the parent here.  If we don't have one,
+    // the download manager will close immediately after opening if the pref
+    // browser.download.manager.closeWhenDone is set to true.
+    try {
+      if (aWindowContext)
+        parent = aWindowContext.getInterface(Ci.nsIDOMWindow);
+    } catch (e) { /* it's OK to not have a parent window */ }
+
+    // We pass the download manager and the nsIDownload we want selected (if any)
+    var params = Cc["@mozilla.org/array;1"].createInstance(Ci.nsIMutableArray);
+    params.appendElement(aDownload, false);
+
+    // Pass in the reason as well
+    let reason = Cc["@mozilla.org/supports-PRInt16;1"].
+                 createInstance(Ci.nsISupportsPRInt16);
+    reason.data = aReason;
+    params.appendElement(reason, false);
+
+    var ww = Cc["@mozilla.org/embedcomp/window-watcher;1"].
+             getService(Ci.nsIWindowWatcher);
+    ww.openWindow(parent,
+                  DOWNLOAD_MANAGER_URL,
+                  "Download:Manager",
+                  "chrome,dialog=no,resizable",
+                  params);
+  },
+
+  get visible() {
+    return (null != this.recentWindow);
+  },
+
+  getAttention: function getAttention()
+  {
+    if (!this.visible)
+      throw Cr.NS_ERROR_UNEXPECTED;
+
+    var prefs = Cc["@mozilla.org/preferences-service;1"].
+                getService(Ci.nsIPrefBranch);
+    // This preference may not be set, so defaulting to two.
+    let flashCount = 2;
+    try {
+      flashCount = prefs.getIntPref(PREF_FLASH_COUNT);
+    } catch (e) { }
+
+    var win = this.recentWindow.QueryInterface(Ci.nsIDOMChromeWindow);
+    win.getAttentionWithCycleCount(flashCount);
+  },
+
+  // nsDownloadManagerUI
+
+  get recentWindow() {
+    var wm = Cc["@mozilla.org/appshell/window-mediator;1"].
+             getService(Ci.nsIWindowMediator);
+    return wm.getMostRecentWindow("Download:Manager");
+  },
+
+  // nsISupports
+
+  QueryInterface: XPCOMUtils.generateQI([Ci.nsIDownloadManagerUI])
+};
+
+// Module
+
+var components = [nsDownloadManagerUI];
+this.NSGetFactory = XPCOMUtils.generateNSGetFactory(components);
+