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/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
/* vim: set ts=2 et sw=2 tw=80: */
/* 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/. */
/**
* This component implements the nsIDownloadManagerUI interface and opens the
* downloads panel in the most recent browser window when requested.
*
* If a specific preference is set, this component transparently forwards all
* calls to the original implementation in Toolkit, that shows the window UI.
*/
"use strict";
////////////////////////////////////////////////////////////////////////////////
//// Globals
const Cc = Components.classes;
const Ci = Components.interfaces;
const Cu = Components.utils;
const Cr = Components.results;
Cu.import("resource://gre/modules/Services.jsm");
Cu.import("resource://gre/modules/XPCOMUtils.jsm");
XPCOMUtils.defineLazyModuleGetter(this, "DownloadsCommon",
"resource:///modules/DownloadsCommon.jsm");
XPCOMUtils.defineLazyServiceGetter(this, "gBrowserGlue",
"@mozilla.org/browser/browserglue;1",
"nsIBrowserGlue");
XPCOMUtils.defineLazyModuleGetter(this, "RecentWindow",
"resource:///modules/RecentWindow.jsm");
XPCOMUtils.defineLazyModuleGetter(this, "PrivateBrowsingUtils",
"resource://gre/modules/PrivateBrowsingUtils.jsm");
////////////////////////////////////////////////////////////////////////////////
//// DownloadsUI
function DownloadsUI()
{
XPCOMUtils.defineLazyGetter(this, "_toolkitUI", function () {
// Create Toolkit's nsIDownloadManagerUI implementation.
return Components.classesByID["{7dfdf0d1-aff6-4a34-bad1-d0fe74601642}"]
.getService(Ci.nsIDownloadManagerUI);
});
}
DownloadsUI.prototype = {
classID: Components.ID("{4d99321e-d156-455b-81f7-e7aa2308134f}"),
_xpcom_factory: XPCOMUtils.generateSingletonFactory(DownloadsUI),
//////////////////////////////////////////////////////////////////////////////
//// nsISupports
QueryInterface: XPCOMUtils.generateQI([Ci.nsIDownloadManagerUI]),
//////////////////////////////////////////////////////////////////////////////
//// nsIDownloadManagerUI
show: function DUI_show(aWindowContext, aDownload, aReason, aUsePrivateUI)
{
if (DownloadsCommon.useToolkitUI && !PrivateBrowsingUtils.isWindowPrivate(aWindowContext)) {
this._toolkitUI.show(aWindowContext, aDownload, aReason, aUsePrivateUI);
return;
}
if (!aReason) {
aReason = Ci.nsIDownloadManagerUI.REASON_USER_INTERACTED;
}
if (aReason == Ci.nsIDownloadManagerUI.REASON_NEW_DOWNLOAD) {
const kMinimized = Ci.nsIDOMChromeWindow.STATE_MINIMIZED;
let browserWin = gBrowserGlue.getMostRecentBrowserWindow();
if (!browserWin || browserWin.windowState == kMinimized) {
this._showDownloadManagerUI(aWindowContext, aUsePrivateUI);
}
else {
// If the indicator is visible, then new download notifications are
// already handled by the panel service.
browserWin.DownloadsButton.checkIsVisible(function(isVisible) {
if (!isVisible) {
this._showDownloadManagerUI(aWindowContext, aUsePrivateUI);
}
}.bind(this));
}
} else {
this._showDownloadManagerUI(aWindowContext, aUsePrivateUI);
}
},
get visible()
{
// If we're still using the toolkit downloads manager, delegate the call
// to it. Otherwise, return true for now, until we decide on how we want
// to indicate that a new download has started if a browser window is
// not available or minimized.
return DownloadsCommon.useToolkitUI ? this._toolkitUI.visible : true;
},
getAttention: function DUI_getAttention()
{
if (DownloadsCommon.useToolkitUI) {
this._toolkitUI.getAttention();
}
},
/**
* Helper function that opens the download manager UI.
*/
_showDownloadManagerUI:
function DUI_showDownloadManagerUI(aWindowContext, aUsePrivateUI)
{
// If we weren't given a window context, try to find a browser window
// to use as our parent - and if that doesn't work, error out and give up.
let parentWindow = aWindowContext;
if (!parentWindow) {
parentWindow = RecentWindow.getMostRecentBrowserWindow({ private: !!aUsePrivateUI });
if (!parentWindow) {
Components.utils.reportError(
"Couldn't find a browser window to open the Places Downloads View " +
"from.");
return;
}
}
// If window is private then show it in a tab.
if (PrivateBrowsingUtils.isWindowPrivate(parentWindow)) {
parentWindow.openUILinkIn("about:downloads", "tab");
return;
} else {
let organizer = Services.wm.getMostRecentWindow("Places:Organizer");
if (!organizer) {
parentWindow.openDialog("chrome://browser/content/places/places.xul",
"", "chrome,toolbar=yes,dialog=no,resizable",
"Downloads");
} else {
organizer.PlacesOrganizer.selectLeftPaneQuery("Downloads");
organizer.focus();
}
}
}
};
////////////////////////////////////////////////////////////////////////////////
//// Module
this.NSGetFactory = XPCOMUtils.generateNSGetFactory([DownloadsUI]);
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