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