toolkit/components/downloads/nsIDownloadManager.idl

changeset 0
6474c204b198
     1.1 --- /dev/null	Thu Jan 01 00:00:00 1970 +0000
     1.2 +++ b/toolkit/components/downloads/nsIDownloadManager.idl	Wed Dec 31 06:09:35 2014 +0100
     1.3 @@ -0,0 +1,358 @@
     1.4 +/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
     1.5 +/* This Source Code Form is subject to the terms of the Mozilla Public
     1.6 + * License, v. 2.0. If a copy of the MPL was not distributed with this
     1.7 + * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
     1.8 +
     1.9 +// Keeps track of ongoing downloads, in the form of nsIDownload's. 
    1.10 +
    1.11 +#include "nsISupports.idl"
    1.12 +
    1.13 +interface nsIURI;
    1.14 +interface nsIFile;
    1.15 +interface nsIDownload;
    1.16 +interface nsICancelable;
    1.17 +interface nsIMIMEInfo;
    1.18 +interface nsIDownloadProgressListener;
    1.19 +interface nsISimpleEnumerator;
    1.20 +interface mozIStorageConnection;
    1.21 +
    1.22 +[scriptable, function, uuid(0c07ffeb-791b-49f3-ae38-2c331fd55a52)]
    1.23 +interface nsIDownloadManagerResult : nsISupports {
    1.24 +  /**
    1.25 +   * Process an asynchronous result from getDownloadByGUID.
    1.26 +   *
    1.27 +   * @param aStatus The result code of the operation:
    1.28 +   *        * NS_OK: an item was found. No other success values are returned.
    1.29 +   *        * NS_ERROR_NOT_AVAILABLE: no such item was found.
    1.30 +   *        * Other error values are possible, but less well-defined.
    1.31 +   */
    1.32 +  void handleResult(in nsresult aStatus, in nsIDownload aDownload);
    1.33 +};
    1.34 +
    1.35 +[scriptable, uuid(b29aac15-7ec4-4ab3-a53b-08f78aed3b34)]
    1.36 +interface nsIDownloadManager : nsISupports {
    1.37 +  /**
    1.38 +   * Download type for generic file download.
    1.39 +   */
    1.40 +  const short DOWNLOAD_TYPE_DOWNLOAD = 0;
    1.41 +
    1.42 +  /**
    1.43 +   * Download state for uninitialized download object.
    1.44 +   */
    1.45 +  const short DOWNLOAD_NOTSTARTED = -1;
    1.46 +
    1.47 +  /**
    1.48 +   * Download is currently transferring data.
    1.49 +   */
    1.50 +  const short DOWNLOAD_DOWNLOADING = 0;
    1.51 +
    1.52 +  /**
    1.53 +   * Download completed including any processing of the target
    1.54 +   * file.  (completed)
    1.55 +   */
    1.56 +  const short DOWNLOAD_FINISHED = 1;
    1.57 +
    1.58 +  /**
    1.59 +   * Transfer failed due to error. (completed)
    1.60 +   */
    1.61 +  const short DOWNLOAD_FAILED = 2;
    1.62 +
    1.63 +  /**
    1.64 +   * Download was canceled by the user. (completed)
    1.65 +   */
    1.66 +  const short DOWNLOAD_CANCELED = 3;
    1.67 +
    1.68 +  /**
    1.69 +   * Transfer was paused by the user.
    1.70 +   */
    1.71 +  const short DOWNLOAD_PAUSED = 4;
    1.72 +
    1.73 +  /**
    1.74 +   * Download is active but data has not yet been received.
    1.75 +   */
    1.76 +  const short DOWNLOAD_QUEUED = 5;
    1.77 +
    1.78 +  /**
    1.79 +   * Transfer request was blocked by parental controls proxies. (completed)
    1.80 +   */
    1.81 +  const short DOWNLOAD_BLOCKED_PARENTAL = 6;
    1.82 +
    1.83 +  /**
    1.84 +   * Transferred download is being scanned by virus scanners.
    1.85 +   */
    1.86 +  const short DOWNLOAD_SCANNING = 7;
    1.87 +
    1.88 +  /**
    1.89 +   * A virus was detected in the download. The target will most likely
    1.90 +   * no longer exist. (completed)
    1.91 +   */
    1.92 +  const short DOWNLOAD_DIRTY = 8;
    1.93 +
    1.94 +  /**
    1.95 +   * Win specific: Request was blocked by zone policy settings.
    1.96 +   * (see bug #416683) (completed)
    1.97 +   */
    1.98 +  const short DOWNLOAD_BLOCKED_POLICY = 9;
    1.99 +
   1.100 +
   1.101 +  /**
   1.102 +   * Creates an nsIDownload and adds it to be managed by the download manager.
   1.103 +   *
   1.104 +   * @param aSource The source URI of the transfer. Must not be null.
   1.105 +   *
   1.106 +   * @param aTarget The target URI of the transfer. Must not be null.
   1.107 +   *
   1.108 +   * @param aDisplayName The user-readable description of the transfer.
   1.109 +   *                     Can be empty.
   1.110 +   *
   1.111 +   * @param aMIMEInfo The MIME info associated with the target,
   1.112 +   *                  including MIME type and helper app when appropriate.
   1.113 +   *                  This parameter is optional.
   1.114 +   *
   1.115 +   * @param startTime Time when the download started
   1.116 +   *
   1.117 +   * @param aTempFile The location of a temporary file; i.e. a file in which
   1.118 +   *                  the received data will be stored, but which is not
   1.119 +   *                  equal to the target file. (will be moved to the real
   1.120 +   *                  target by the DownloadManager, when the download is
   1.121 +   *                  finished). This will be null for all callers except for
   1.122 +   *                  nsExternalHelperAppHandler. Addons should generally pass
   1.123 +   *                  null for aTempFile. This will be moved to the real target
   1.124 +   *                  by the download manager when the download is finished,
   1.125 +   *                  and the action indicated by aMIMEInfo will be executed.
   1.126 +   *
   1.127 +   * @param aCancelable An object that can be used to abort the download.
   1.128 +   *                    Must not be null.
   1.129 +   *
   1.130 +   * @param aIsPrivate Used to determine the privacy status of the new download.
   1.131 +   *                   If true, the download is stored in a manner that leaves
   1.132 +   *                   no permanent trace outside of the current private session.
   1.133 +   *
   1.134 +   * @return The newly created download item with the passed-in properties.
   1.135 +   *
   1.136 +   * @note This does not actually start a download.  If you want to add and
   1.137 +   *       start a download, you need to create an nsIWebBrowserPersist, pass it
   1.138 +   *       as the aCancelable object, call this method, set the progressListener
   1.139 +   *       as the returned download object, then call saveURI.
   1.140 +   */
   1.141 +  nsIDownload addDownload(in short aDownloadType, 
   1.142 +                          in nsIURI aSource,
   1.143 +                          in nsIURI aTarget,
   1.144 +                          in AString aDisplayName,
   1.145 +                          in nsIMIMEInfo aMIMEInfo,
   1.146 +                          in PRTime aStartTime,
   1.147 +                          in nsIFile aTempFile,
   1.148 +                          in nsICancelable aCancelable,
   1.149 +                          in boolean aIsPrivate);
   1.150 +
   1.151 +  /**
   1.152 +   * Retrieves a download managed by the download manager.  This can be one that
   1.153 +   * is in progress, or one that has completed in the past and is stored in the
   1.154 +   * database.
   1.155 +   *
   1.156 +   * @param aID The unique ID of the download.
   1.157 +   * @return The download with the specified ID.
   1.158 +   * @throws NS_ERROR_NOT_AVAILABLE if the download is not in the database.
   1.159 +   */
   1.160 +  nsIDownload getDownload(in unsigned long aID);
   1.161 +
   1.162 +  /**
   1.163 +   * Retrieves a download managed by the download manager.  This can be one that
   1.164 +   * is in progress, or one that has completed in the past and is stored in the
   1.165 +   * database.  The result of this method is returned via an asynchronous callback,
   1.166 +   * the parameter of which will be an nsIDownload object, or null if none exists
   1.167 +   * with the provided GUID.
   1.168 +   *
   1.169 +   * @param aGUID The unique GUID of the download.
   1.170 +   * @param aCallback The callback to invoke with the result of the search.
   1.171 +   */
   1.172 +  void getDownloadByGUID(in ACString aGUID, in nsIDownloadManagerResult aCallback);
   1.173 +
   1.174 +  /**
   1.175 +   * Cancels the download with the specified ID if it's currently in-progress.
   1.176 +   * This calls cancel(NS_BINDING_ABORTED) on the nsICancelable provided by the
   1.177 +   * download.
   1.178 +   *
   1.179 +   * @param aID The unique ID of the download.
   1.180 +   * @throws NS_ERROR_FAILURE if the download is not in-progress.
   1.181 +   */
   1.182 +  void cancelDownload(in unsigned long aID);
   1.183 +
   1.184 +  /**
   1.185 +   * Removes the download with the specified id if it's not currently
   1.186 +   * in-progress.  Whereas cancelDownload simply cancels the transfer, but
   1.187 +   * retains information about it, removeDownload removes all knowledge of it.
   1.188 +   *
   1.189 +   * Also notifies observers of the "download-manager-remove-download-guid"
   1.190 +   * topic with the download guid as the subject to allow any DM consumers to
   1.191 +   * react to the removal.
   1.192 +   *
   1.193 +   * Also may notify observers of the "download-manager-remove-download" topic
   1.194 +   * with the download id as the subject, if the download removed is public
   1.195 +   * or if global private browsing mode is in use. This notification is deprecated;
   1.196 +   * the guid notification should be relied upon instead.
   1.197 +   *
   1.198 +   * @param aID The unique ID of the download.
   1.199 +   * @throws NS_ERROR_FAILURE if the download is active.
   1.200 +   */
   1.201 +  void removeDownload(in unsigned long aID);
   1.202 +
   1.203 +  /**
   1.204 +   * Removes all inactive downloads that were started inclusively within the
   1.205 +   * specified time frame.
   1.206 +   *
   1.207 +   * @param aBeginTime
   1.208 +   *        The start time to remove downloads by in microseconds.
   1.209 +   * @param aEndTime
   1.210 +   *        The end time to remove downloads by in microseconds.
   1.211 +   */
   1.212 +  void removeDownloadsByTimeframe(in long long aBeginTime,
   1.213 +                                  in long long aEndTime);
   1.214 +
   1.215 +  /**
   1.216 +   * Pause the specified download.
   1.217 +   *
   1.218 +   * @param aID The unique ID of the download.
   1.219 +   * @throws NS_ERROR_FAILURE if the download is not in-progress.
   1.220 +   */
   1.221 +  void pauseDownload(in unsigned long aID);
   1.222 +
   1.223 +  /**
   1.224 +   * Resume the specified download.
   1.225 +   *
   1.226 +   * @param aID The unique ID of the download.
   1.227 +   * @throws NS_ERROR_FAILURE if the download is not in-progress.
   1.228 +   */
   1.229 +  void resumeDownload(in unsigned long aID);
   1.230 +
   1.231 +  /**
   1.232 +   * Retries a failed download.
   1.233 +   *
   1.234 +   * @param aID The unique ID of the download.
   1.235 +   * @throws NS_ERROR_NOT_AVAILALE if the download id is not known.
   1.236 +   * @throws NS_ERROR_FAILURE if the download is not in the following states:
   1.237 +   *           nsIDownloadManager::DOWNLOAD_CANCELED
   1.238 +   *           nsIDownloadManager::DOWNLOAD_FAILED
   1.239 +   */
   1.240 +  void retryDownload(in unsigned long aID);
   1.241 +
   1.242 +  /**
   1.243 +   * The database connection to the downloads database.
   1.244 +   */
   1.245 +  readonly attribute mozIStorageConnection DBConnection;
   1.246 +  readonly attribute mozIStorageConnection privateDBConnection;
   1.247 +
   1.248 +  /** 
   1.249 +   * Whether or not there are downloads that can be cleaned up (removed)
   1.250 +   * i.e. downloads that have completed, have failed or have been canceled.
   1.251 +   * In global private browsing mode, this reports the status of the relevant
   1.252 +   * private or public downloads. In per-window mode, it only reports for
   1.253 +   * public ones.
   1.254 +   */
   1.255 +  readonly attribute boolean canCleanUp;
   1.256 +
   1.257 +  /** 
   1.258 +   * Whether or not there are private downloads that can be cleaned up (removed)
   1.259 +   * i.e. downloads that have completed, have failed or have been canceled.
   1.260 +   */
   1.261 +readonly attribute boolean canCleanUpPrivate;
   1.262 +
   1.263 +  /** 
   1.264 +   * Removes completed, failed, and canceled downloads from the list.
   1.265 +   * In global private browsing mode, this operates on the relevant
   1.266 +   * private or public downloads. In per-window mode, it only operates
   1.267 +   * on public ones.
   1.268 +   *
   1.269 +   * Also notifies observers of the "download-manager-remove-download-gui"
   1.270 +   * and "download-manager-remove-download" topics with a null subject to
   1.271 +   * allow any DM consumers to react to the removals.
   1.272 +   */
   1.273 +  void cleanUp();
   1.274 +
   1.275 +  /** 
   1.276 +   * Removes completed, failed, and canceled downloads from the list
   1.277 +   * of private downloads.
   1.278 +   *
   1.279 +   * Also notifies observers of the "download-manager-remove-download-gui"
   1.280 +   * and "download-manager-remove-download" topics with a null subject to
   1.281 +   * allow any DM consumers to react to the removals.
   1.282 +   */
   1.283 +void cleanUpPrivate();
   1.284 +
   1.285 +  /** 
   1.286 +   * The number of files currently being downloaded.
   1.287 +   *
   1.288 +   * In global private browsing mode, this reports the status of the relevant
   1.289 +   * private or public downloads. In per-window mode, it only reports public
   1.290 +   * ones.
   1.291 +   */
   1.292 +  readonly attribute long activeDownloadCount;
   1.293 +
   1.294 +  /** 
   1.295 +   * The number of private files currently being downloaded.
   1.296 +   */
   1.297 +  readonly attribute long activePrivateDownloadCount;
   1.298 +
   1.299 +  /**
   1.300 +   * An enumeration of active nsIDownloads
   1.301 +   *
   1.302 +   * In global private browsing mode, this reports the status of the relevant
   1.303 +   * private or public downloads. In per-window mode, it only reports public
   1.304 +   * ones.
   1.305 +   */
   1.306 +  readonly attribute nsISimpleEnumerator activeDownloads;
   1.307 +
   1.308 +  /**
   1.309 +   * An enumeration of active private nsIDownloads
   1.310 +   */
   1.311 +  readonly attribute nsISimpleEnumerator activePrivateDownloads;
   1.312 +
   1.313 +  /**
   1.314 +   * Adds a listener to the download manager. It is expected that this
   1.315 +   * listener will only access downloads via their deprecated integer id attribute,
   1.316 +   * and when global private browsing compatibility mode is disabled, this listener
   1.317 +   * will receive no notifications for downloads marked private.
   1.318 +   */
   1.319 +  void addListener(in nsIDownloadProgressListener aListener);
   1.320 +
   1.321 +  /**
   1.322 +   * Adds a listener to the download manager. This listener must be able to
   1.323 +   * understand and use the guid attribute of downloads for all interactions
   1.324 +   * with the download manager.
   1.325 +   */
   1.326 +  void addPrivacyAwareListener(in nsIDownloadProgressListener aListener);
   1.327 +
   1.328 +  /**
   1.329 +   * Removes a listener from the download manager.
   1.330 +   */
   1.331 +  void removeListener(in nsIDownloadProgressListener aListener);
   1.332 +
   1.333 +  /**
   1.334 +   * Returns the platform default downloads directory.
   1.335 +   */
   1.336 +  readonly attribute nsIFile defaultDownloadsDirectory;
   1.337 +
   1.338 +  /**
   1.339 +   * Returns the user configured downloads directory. 
   1.340 +   * The path is dependent on two user configurable prefs
   1.341 +   * set in preferences:
   1.342 +   *
   1.343 +   * browser.download.folderList
   1.344 +   *   Indicates the location users wish to save downloaded 
   1.345 +   *   files too.  
   1.346 +   *   Values: 
   1.347 +   *     0 - The desktop is the default download location. 
   1.348 +   *     1 - The system's downloads folder is the default download location. 
   1.349 +   *     2 - The default download location is elsewhere as specified in  
   1.350 +   *         browser.download.dir. If invalid, userDownloadsDirectory
   1.351 +   *         will fallback on defaultDownloadsDirectory.
   1.352 +   *
   1.353 +   * browser.download.dir - 
   1.354 +   *   A local path the user may have selected at some point 
   1.355 +   *   where downloaded files are saved. The use of which is
   1.356 +   *   enabled when folderList equals 2. 
   1.357 +   */
   1.358 +  readonly attribute nsIFile userDownloadsDirectory;
   1.359 +};
   1.360 +
   1.361 +

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