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240 lines
8.7 KiB
Plaintext
240 lines
8.7 KiB
Plaintext
/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
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/* ***** BEGIN LICENSE BLOCK *****
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* Version: MPL 1.1/GPL 2.0/LGPL 2.1
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*
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* The contents of this file are subject to the Mozilla Public License Version
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* 1.1 (the "License"); you may not use this file except in compliance with
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* the License. You may obtain a copy of the License at
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* http://www.mozilla.org/MPL/
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*
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* Software distributed under the License is distributed on an "AS IS" basis,
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* WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
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* for the specific language governing rights and limitations under the
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* License.
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*
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* The Original Code is mozilla.org code.
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*
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* The Initial Developer of the Original Code is
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* Netscape Communications Corporation.
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* Portions created by the Initial Developer are Copyright (C) 1998
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* the Initial Developer. All Rights Reserved.
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*
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* Contributor(s):
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* Blake Ross <blaker@netscape.com>
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* Ben Goodger <ben@netscape.com>
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*
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* Alternatively, the contents of this file may be used under the terms of
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* either the GNU General Public License Version 2 or later (the "GPL"), or
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* the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
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* in which case the provisions of the GPL or the LGPL are applicable instead
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* of those above. If you wish to allow use of your version of this file only
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* under the terms of either the GPL or the LGPL, and not to allow others to
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* use your version of this file under the terms of the MPL, indicate your
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* decision by deleting the provisions above and replace them with the notice
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* and other provisions required by the GPL or the LGPL. If you do not delete
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* the provisions above, a recipient may use your version of this file under
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* the terms of any one of the MPL, the GPL or the LGPL.
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*
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* ***** END LICENSE BLOCK ***** */
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// Keeps track of ongoing downloads, in the form of nsIDownload's.
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#include "nsISupports.idl"
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interface nsIURI;
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interface nsILocalFile;
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interface nsIDownload;
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interface nsICancelable;
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interface nsIMIMEInfo;
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interface nsIDownloadProgressListener;
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interface nsISimpleEnumerator;
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interface mozIStorageConnection;
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[scriptable, uuid(05ed1d45-0aff-4ba0-9e2c-a9ef20383048)]
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interface nsIDownloadManager : nsISupports {
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// Download States
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const short DOWNLOAD_NOTSTARTED = -1;
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const short DOWNLOAD_DOWNLOADING = 0;
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const short DOWNLOAD_FINISHED = 1;
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const short DOWNLOAD_FAILED = 2;
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const short DOWNLOAD_CANCELED = 3;
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const short DOWNLOAD_PAUSED = 4;
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const short DOWNLOAD_QUEUED = 5;
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const short DOWNLOAD_BLOCKED = 6;
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const short DOWNLOAD_SCANNING = 7;
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const short DOWNLOAD_DIRTY = 8;
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const short DOWNLOAD_TYPE_DOWNLOAD = 0;
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/**
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* Creates an nsIDownload and adds it to be managed by the download manager.
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*
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* @param aSource The source URI of the transfer. Must not be null.
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*
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* @param aTarget The target URI of the transfer. Must not be null.
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*
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* @param aDisplayName The user-readable description of the transfer.
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* Can be empty.
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*
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* @param aMIMEInfo The MIME info associated with the target,
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* including MIME type and helper app when appropriate.
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* This parameter is optional.
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*
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* @param startTime Time when the download started
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*
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* @param aTempFile The location of a temporary file; i.e. a file in which
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* the received data will be stored, but which is not
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* equal to the target file. (will be moved to the real
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* target by the caller, when the download is finished)
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* May be null.
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*
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* @param aCancelable An object that can be used to abort the download.
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* Must not be null.
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*
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* @return The newly created download item with the passed-in properties.
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*
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* @note This does not actually start a download. If you want to add and
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* start a download, you need to create an nsIWebBrowserPersist, pass it
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* as the aCancelable object, call this method, set the progressListener
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* as the returned download object, then call saveURI.
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*/
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nsIDownload addDownload(in short aDownloadType,
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in nsIURI aSource,
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in nsIURI aTarget,
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in AString aDisplayName,
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in nsIMIMEInfo aMIMEInfo,
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in PRTime aStartTime,
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in nsILocalFile aTempFile,
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in nsICancelable aCancelable);
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/**
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* Retrieves a download managed by the download manager. This can be one that
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* is in progress, or one that has completed in the past and is stored in the
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* database.
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*
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* @param aID The unique ID of the download.
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* @return The download with the specified ID.
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* @throws NS_ERROR_NOT_AVAILABLE if the download is not in the database.
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*/
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nsIDownload getDownload(in unsigned long aID);
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/**
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* Cancels the download with the specified ID if it's currently in-progress.
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* This calls cancel(NS_BINDING_ABORTED) on the nsICancelable provided by the
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* download.
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*
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* @param aID The unique ID of the download.
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* @throws NS_ERROR_FAILURE if the download is not in-progress.
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*/
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void cancelDownload(in unsigned long aID);
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/**
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* Removes the download with the specified id if it's not currently
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* in-progress. Whereas cancelDownload simply cancels the transfer, but
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* retains information about it, removeDownload removes all knowledge of it.
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*
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* Also notifies observers of the "download-manager-remove-download" topic
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* with the download id as the subject to allow any DM consumers to react to
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* the removal.
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*
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* @param aID The unique ID of the download.
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* @throws NS_ERROR_FAILURE if the download is active.
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*/
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void removeDownload(in unsigned long aID);
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/**
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* Pause the specified download.
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*
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* @param aID The unique ID of the download.
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* @throws NS_ERROR_FAILURE if the download is not in-progress.
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*/
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void pauseDownload(in unsigned long aID);
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/**
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* Resume the specified download.
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*
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* @param aID The unique ID of the download.
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* @throws NS_ERROR_FAILURE if the download is not in-progress.
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*/
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void resumeDownload(in unsigned long aID);
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/**
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* Retries a failed download.
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*
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* @param aID The unique ID of the download.
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* @throws NS_ERROR_NOT_AVAILALE if the download id is not known.
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* @throws NS_ERROR_FAILURE if the download is not in the following states:
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* nsIDownloadManager::DOWNLOAD_CANCELED
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* nsIDownloadManager::DOWNLOAD_FAILED
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*/
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void retryDownload(in unsigned long aID);
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/**
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* The database connection to the downloads database.
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*/
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readonly attribute mozIStorageConnection DBConnection;
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/**
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* Whether or not there are downloads that can be cleaned up (removed)
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* i.e. downloads that have completed, have failed or have been canceled.
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*/
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readonly attribute boolean canCleanUp;
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/**
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* Removes completed, failed, and canceled downloads from the list.
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*
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* Also notifies observers of the "download-manager-remove-download" topic
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* with a null subject to allow any DM consumers to react to the removals.
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*/
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void cleanUp();
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/**
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* The number of files currently being downloaded.
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*/
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readonly attribute long activeDownloadCount;
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/**
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* An enumeration of active nsIDownloads
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*/
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readonly attribute nsISimpleEnumerator activeDownloads;
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/**
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* Adds a listener from the download manager.
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*/
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void addListener(in nsIDownloadProgressListener aListener);
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/**
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* Removes a listener from the download manager.
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*/
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void removeListener(in nsIDownloadProgressListener aListener);
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/**
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* Returns the platform default downloads directory.
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*/
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readonly attribute nsILocalFile defaultDownloadsDirectory;
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/**
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* Returns the user configured downloads directory.
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* The path is dependent on two user configurable prefs
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* set in preferences:
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*
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* browser.download.folderList
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* Indicates the location users wish to save downloaded
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* files too.
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* Values:
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* 0 - The desktop is the default download location.
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* 1 - The system's downloads folder is the default download location.
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* 2 - The default download location is elsewhere as specified in
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* browser.download.dir. If invalid, userDownloadsDirectory
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* will fallback on defaultDownloadsDirectory.
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*
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* browser.download.dir -
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* A local path the user may have selected at some point
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* where downloaded files are saved. The use of which is
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* enabled when folderList equals 2.
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*/
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readonly attribute nsILocalFile userDownloadsDirectory;
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};
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