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359 lines
12 KiB
Plaintext
359 lines
12 KiB
Plaintext
/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
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/* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
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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 nsIFile;
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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, function, uuid(0c07ffeb-791b-49f3-ae38-2c331fd55a52)]
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interface nsIDownloadManagerResult : nsISupports {
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/**
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* Process an asynchronous result from getDownloadByGUID.
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*
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* @param aStatus The result code of the operation:
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* * NS_OK: an item was found. No other success values are returned.
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* * NS_ERROR_NOT_AVAILABLE: no such item was found.
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* * Other error values are possible, but less well-defined.
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*/
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void handleResult(in nsresult aStatus, in nsIDownload aDownload);
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};
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[scriptable, uuid(b29aac15-7ec4-4ab3-a53b-08f78aed3b34)]
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interface nsIDownloadManager : nsISupports {
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/**
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* Download type for generic file download.
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*/
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const short DOWNLOAD_TYPE_DOWNLOAD = 0;
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/**
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* Download state for uninitialized download object.
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*/
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const short DOWNLOAD_NOTSTARTED = -1;
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/**
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* Download is currently transferring data.
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*/
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const short DOWNLOAD_DOWNLOADING = 0;
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/**
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* Download completed including any processing of the target
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* file. (completed)
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*/
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const short DOWNLOAD_FINISHED = 1;
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/**
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* Transfer failed due to error. (completed)
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*/
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const short DOWNLOAD_FAILED = 2;
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/**
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* Download was canceled by the user. (completed)
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*/
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const short DOWNLOAD_CANCELED = 3;
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/**
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* Transfer was paused by the user.
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*/
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const short DOWNLOAD_PAUSED = 4;
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/**
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* Download is active but data has not yet been received.
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*/
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const short DOWNLOAD_QUEUED = 5;
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/**
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* Transfer request was blocked by parental controls proxies. (completed)
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*/
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const short DOWNLOAD_BLOCKED_PARENTAL = 6;
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/**
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* Transferred download is being scanned by virus scanners.
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*/
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const short DOWNLOAD_SCANNING = 7;
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/**
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* A virus was detected in the download. The target will most likely
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* no longer exist. (completed)
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*/
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const short DOWNLOAD_DIRTY = 8;
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/**
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* Win specific: Request was blocked by zone policy settings.
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* (see bug #416683) (completed)
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*/
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const short DOWNLOAD_BLOCKED_POLICY = 9;
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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 DownloadManager, when the download is
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* finished). This will be null for all callers except for
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* nsExternalHelperAppHandler. Addons should generally pass
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* null for aTempFile. This will be moved to the real target
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* by the download manager when the download is finished,
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* and the action indicated by aMIMEInfo will be executed.
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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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* @param aIsPrivate Used to determine the privacy status of the new download.
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* If true, the download is stored in a manner that leaves
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* no permanent trace outside of the current private session.
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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 nsIFile aTempFile,
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in nsICancelable aCancelable,
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in boolean aIsPrivate);
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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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* 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. The result of this method is returned via an asynchronous callback,
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* the parameter of which will be an nsIDownload object, or null if none exists
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* with the provided GUID.
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*
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* @param aGUID The unique GUID of the download.
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* @param aCallback The callback to invoke with the result of the search.
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*/
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void getDownloadByGUID(in ACString aGUID, in nsIDownloadManagerResult aCallback);
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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-guid"
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* topic with the download guid as the subject to allow any DM consumers to
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* react to the removal.
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*
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* Also may notify observers of the "download-manager-remove-download" topic
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* with the download id as the subject, if the download removed is public
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* or if global private browsing mode is in use. This notification is deprecated;
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* the guid notification should be relied upon instead.
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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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* Removes all inactive downloads that were started inclusively within the
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* specified time frame.
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*
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* @param aBeginTime
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* The start time to remove downloads by in microseconds.
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* @param aEndTime
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* The end time to remove downloads by in microseconds.
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*/
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void removeDownloadsByTimeframe(in long long aBeginTime,
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in long long aEndTime);
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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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readonly attribute mozIStorageConnection privateDBConnection;
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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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* In global private browsing mode, this reports the status of the relevant
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* private or public downloads. In per-window mode, it only reports for
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* public ones.
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*/
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readonly attribute boolean canCleanUp;
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/**
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* Whether or not there are private 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 canCleanUpPrivate;
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/**
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* Removes completed, failed, and canceled downloads from the list.
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* In global private browsing mode, this operates on the relevant
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* private or public downloads. In per-window mode, it only operates
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* on public ones.
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*
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* Also notifies observers of the "download-manager-remove-download-gui"
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* and "download-manager-remove-download" topics with a null subject to
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* 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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* Removes completed, failed, and canceled downloads from the list
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* of private downloads.
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*
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* Also notifies observers of the "download-manager-remove-download-gui"
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* and "download-manager-remove-download" topics with a null subject to
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* allow any DM consumers to react to the removals.
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*/
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void cleanUpPrivate();
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/**
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* The number of files currently being downloaded.
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*
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* In global private browsing mode, this reports the status of the relevant
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* private or public downloads. In per-window mode, it only reports public
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* ones.
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*/
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readonly attribute long activeDownloadCount;
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/**
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* The number of private files currently being downloaded.
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*/
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readonly attribute long activePrivateDownloadCount;
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/**
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* An enumeration of active nsIDownloads
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*
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* In global private browsing mode, this reports the status of the relevant
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* private or public downloads. In per-window mode, it only reports public
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* ones.
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*/
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readonly attribute nsISimpleEnumerator activeDownloads;
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/**
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* An enumeration of active private nsIDownloads
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*/
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readonly attribute nsISimpleEnumerator activePrivateDownloads;
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/**
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* Adds a listener to the download manager. It is expected that this
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* listener will only access downloads via their deprecated integer id attribute,
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* and when global private browsing compatibility mode is disabled, this listener
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* will receive no notifications for downloads marked private.
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*/
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void addListener(in nsIDownloadProgressListener aListener);
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/**
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* Adds a listener to the download manager. This listener must be able to
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* understand and use the guid attribute of downloads for all interactions
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* with the download manager.
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*/
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void addPrivacyAwareListener(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 nsIFile 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 nsIFile userDownloadsDirectory;
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};
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