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authorMatt A. Tobin <email@mattatobin.com>2019-12-14 14:37:24 -0500
committerMatt A. Tobin <email@mattatobin.com>2019-12-14 14:37:24 -0500
commit4e34c57467a8d38d593c6fbb7c0d63c3257e99f0 (patch)
treeff5ee62f90cebe34f23f734669e2c526d783caf0 /application/palemoon/components/downloads/DownloadsStartup.js
parentdacb3da00bd17e69f1a8f1080668808a5f3fe431 (diff)
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Remove Pale Moon from the Unified XUL Platform repository
Development will proceed at https://github.com/MoonchildProductions/Pale-Moon
Diffstat (limited to 'application/palemoon/components/downloads/DownloadsStartup.js')
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diff --git a/application/palemoon/components/downloads/DownloadsStartup.js b/application/palemoon/components/downloads/DownloadsStartup.js
deleted file mode 100644
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--- a/application/palemoon/components/downloads/DownloadsStartup.js
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@@ -1,278 +0,0 @@
-/* -*- 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 listens to notifications for startup, shutdown and session
- * restore, controlling which downloads should be loaded from the database.
- *
- * To avoid affecting startup performance, this component monitors the current
- * session restore state, but defers the actual downloads data manipulation
- * until the Download Manager service is loaded.
- */
-
-"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, "gSessionStartup",
- "@mozilla.org/browser/sessionstartup;1",
- "nsISessionStartup");
-
-const kObservedTopics = [
- "sessionstore-windows-restored",
- "sessionstore-browser-state-restored",
- "download-manager-initialized",
- "download-manager-change-retention",
- "last-pb-context-exited",
- "browser-lastwindow-close-granted",
- "quit-application",
- "profile-change-teardown",
-];
-
-/**
- * CID of our implementation of nsIDownloadManagerUI.
- */
-const kDownloadsUICid = Components.ID("{4d99321e-d156-455b-81f7-e7aa2308134f}");
-
-/**
- * Contract ID of the service implementing nsIDownloadManagerUI.
- */
-const kDownloadsUIContractId = "@mozilla.org/download-manager-ui;1";
-
-/**
- * CID of the JavaScript implementation of nsITransfer.
- */
-const kTransferCid = Components.ID("{1b4c85df-cbdd-4bb6-b04e-613caece083c}");
-
-/**
- * Contract ID of the service implementing nsITransfer.
- */
-const kTransferContractId = "@mozilla.org/transfer;1";
-
-////////////////////////////////////////////////////////////////////////////////
-//// DownloadsStartup
-
-function DownloadsStartup() { }
-
-DownloadsStartup.prototype = {
- classID: Components.ID("{49507fe5-2cee-4824-b6a3-e999150ce9b8}"),
-
- _xpcom_factory: XPCOMUtils.generateSingletonFactory(DownloadsStartup),
-
- //////////////////////////////////////////////////////////////////////////////
- //// nsISupports
-
- QueryInterface: XPCOMUtils.generateQI([Ci.nsIObserver,
- Ci.nsISupportsWeakReference]),
-
- //////////////////////////////////////////////////////////////////////////////
- //// nsIObserver
-
- observe: function DS_observe(aSubject, aTopic, aData)
- {
- switch (aTopic) {
- case "profile-after-change":
- // Override Toolkit's nsIDownloadManagerUI implementation with our own.
- // This must be done at application startup and not in the manifest to
- // ensure that our implementation overrides the original one.
- Components.manager.QueryInterface(Ci.nsIComponentRegistrar)
- .registerFactory(kDownloadsUICid, "",
- kDownloadsUIContractId, null);
-
- Components.manager.QueryInterface(Ci.nsIComponentRegistrar)
- .registerFactory(kTransferCid, "",
- kTransferContractId, null);
- break;
-
- case "sessionstore-windows-restored":
- case "sessionstore-browser-state-restored":
- // Unless there is no saved session, there is a chance that we are
- // starting up after a restart or a crash. We should check the disk
- // database to see if there are completed downloads to recover and show
- // in the panel, in addition to in-progress downloads.
- if (gSessionStartup.sessionType != Ci.nsISessionStartup.NO_SESSION) {
- this._restoringSession = true;
- }
- this._ensureDataLoaded();
- break;
-
- case "download-manager-initialized":
- // Don't initialize the JavaScript data and user interface layer if we
- // are initializing the Download Manager service during shutdown.
- if (this._shuttingDown) {
- break;
- }
-
- // Start receiving events for active and new downloads before we return
- // from this observer function. We can't defer the execution of this
- // step, to ensure that we don't lose events raised in the meantime.
- DownloadsCommon.initializeAllDataLinks(
- aSubject.QueryInterface(Ci.nsIDownloadManager));
-
- this._downloadsServiceInitialized = true;
-
- // Since this notification is generated during the getService call and
- // we need to get the Download Manager service ourselves, we must post
- // the handler on the event queue to be executed later.
- Services.tm.mainThread.dispatch(this._ensureDataLoaded.bind(this),
- Ci.nsIThread.DISPATCH_NORMAL);
- break;
-
- case "download-manager-change-retention":
- // If we're using the Downloads Panel, we override the retention
- // preference to always retain downloads on completion.
- if (!DownloadsCommon.useToolkitUI) {
- aSubject.QueryInterface(Ci.nsISupportsPRInt32).data = 2;
- }
- break;
-
- case "browser-lastwindow-close-granted":
- // When using the panel interface, downloads that are already completed
- // should be removed when the last full browser window is closed. This
- // event is invoked only if the application is not shutting down yet.
- // If the Download Manager service is not initialized, we don't want to
- // initialize it just to clean up completed downloads, because they can
- // be present only in case there was a browser crash or restart.
- if (this._downloadsServiceInitialized &&
- !DownloadsCommon.useToolkitUI) {
- Services.downloads.cleanUp();
- }
- break;
-
- case "last-pb-context-exited":
- // Similar to the above notification, but for private downloads.
- if (this._downloadsServiceInitialized &&
- !DownloadsCommon.useToolkitUI) {
- Services.downloads.cleanUpPrivate();
- }
- break;
-
- case "quit-application":
- // When the application is shutting down, we must free all resources in
- // addition to cleaning up completed downloads. If the Download Manager
- // service is not initialized, we don't want to initialize it just to
- // clean up completed downloads, because they can be present only in
- // case there was a browser crash or restart.
- this._shuttingDown = true;
- if (!this._downloadsServiceInitialized) {
- break;
- }
-
- DownloadsCommon.terminateAllDataLinks();
-
- // When using the panel interface, downloads that are already completed
- // should be removed when quitting the application.
- if (!DownloadsCommon.useToolkitUI && aData != "restart") {
- this._cleanupOnShutdown = true;
- }
- break;
-
- case "profile-change-teardown":
- // If we need to clean up, we must do it synchronously after all the
- // "quit-application" listeners are invoked, so that the Download
- // Manager service has a chance to pause or cancel in-progress downloads
- // before we remove completed downloads from the list. Note that, since
- // "quit-application" was invoked, we've already exited Private Browsing
- // Mode, thus we are always working on the disk database.
- if (this._cleanupOnShutdown) {
- Services.downloads.cleanUp();
- }
-
- if (!DownloadsCommon.useToolkitUI) {
- // If we got this far, that means that we finished our first session
- // with the Downloads Panel without crashing. This means that we don't
- // have to force displaying only active downloads on the next startup
- // now.
- this._firstSessionCompleted = true;
- }
- break;
- }
- },
-
- //////////////////////////////////////////////////////////////////////////////
- //// Private
-
- /**
- * Indicates whether we're restoring a previous session. This is used by
- * _recoverAllDownloads to determine whether or not we should load and
- * display all downloads data, or restrict it to only the active downloads.
- */
- _restoringSession: false,
-
- /**
- * Indicates whether the Download Manager service has been initialized. This
- * flag is required because we want to avoid accessing the service immediately
- * at browser startup. The service will start when the user first requests a
- * download, or some time after browser startup.
- */
- _downloadsServiceInitialized: false,
-
- /**
- * True while we are processing the "quit-application" event, and later.
- */
- _shuttingDown: false,
-
- /**
- * True during shutdown if we need to remove completed downloads.
- */
- _cleanupOnShutdown: false,
-
- /**
- * True if we should display all downloads, as opposed to just active
- * downloads. We decide to display all downloads if we're restoring a session,
- * or if we're using the Downloads Panel anytime after the first session with
- * it has completed.
- */
- get _recoverAllDownloads() {
- return this._restoringSession ||
- (!DownloadsCommon.useToolkitUI && this._firstSessionCompleted);
- },
-
- /**
- * True if we've ever completed a session with the Downloads Panel enabled.
- */
- get _firstSessionCompleted() {
- return Services.prefs
- .getBoolPref("browser.download.panel.firstSessionCompleted");
- },
-
- set _firstSessionCompleted(aValue) {
- Services.prefs.setBoolPref("browser.download.panel.firstSessionCompleted",
- aValue);
- return aValue;
- },
-
- /**
- * Ensures that persistent download data is reloaded at the appropriate time.
- */
- _ensureDataLoaded: function DS_ensureDataLoaded()
- {
- if (!this._downloadsServiceInitialized) {
- return;
- }
-
- // If the previous session has been already restored, then we ensure that
- // all the downloads are loaded. Otherwise, we only ensure that the active
- // downloads from the previous session are loaded.
- DownloadsCommon.ensureAllPersistentDataLoaded(!this._recoverAllDownloads);
- }
-};
-
-////////////////////////////////////////////////////////////////////////////////
-//// Module
-
-this.NSGetFactory = XPCOMUtils.generateNSGetFactory([DownloadsStartup]);