/* -*- Mode: C++; tab-width: 3; indent-tabs-mode: nil; c-basic-offset: 2 -*-
*
* 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/. */
#include "nsICancelable.idl"
interface nsIURI;
interface nsIChannel;
interface nsIStreamListener;
interface nsIFile;
interface nsIMIMEInfo;
interface nsIWebProgressListener2;
interface nsIInterfaceRequestor;
webidl BrowsingContext;
/**
* The external helper app service is used for finding and launching
* platform specific external applications for a given mime content type.
*/
[scriptable, uuid(1E4F3AE1-B737-431F-A95D-31FA8DA70199)]
interface nsIExternalHelperAppService : nsISupports
{
/**
* Binds an external helper application to a stream listener. The caller
* should pump data into the returned stream listener. When the OnStopRequest
* is issued, the stream listener implementation will launch the helper app
* with this data.
* @param aMimeContentType The content type of the incoming data
* @param aChannel The channel corresponding to the incoming data
* @param aContentContext Used in processing content document refresh
* headers after target content is downloaded.
* @param aForceSave True to always save this content to disk, regardless of
* nsIMIMEInfo and other such influences.
* @param aWindowContext Used in parenting helper app dialogs, usually
* points to the parent browser window. This parameter may be null,
* in which case dialogs will be parented to aContentContext.
* @return A nsIStreamListener which the caller should pump the data into.
*/
nsIStreamListener doContent (in ACString aMimeContentType,
in nsIChannel aChannel,
in nsIInterfaceRequestor aContentContext,
in boolean aForceSave,
[optional] in nsIInterfaceRequestor aWindowContext);
/**
* Binds an external helper application to a stream listener. The caller
* should pump data into the returned stream listener. When the OnStopRequest
* is issued, the stream listener implementation will launch the helper app
* with this data.
* Replaces doContent for native code, and uses BrowsingContext.
*
* @param aMimeContentType The content type of the incoming data
* @param aChannel The channel corresponding to the incoming data
* @param aContentContext The BrowsingContext that the channel was initiated
* by. Used for closing the window if we opened one specifically for this download.
* @param aForceSave True to always save this content to disk, regardless of
* nsIMIMEInfo and other such influences.
* @param aWindowContext Used in parenting helper app dialogs, usually
* points to the parent browser window. This parameter may be null,
* in which case dialogs will be parented to aContentContext.
* @return A nsIStreamListener which the caller should pump the data into.
*/
nsIStreamListener createListener (in ACString aMimeContentType,
in nsIChannel aChannel,
in BrowsingContext aContentContext,
in boolean aForceSave,
[optional] in nsIInterfaceRequestor aWindowContext);
/**
* Returns true if data from a URL with this extension combination
* is to be decoded from aEncodingType prior to saving or passing
* off to helper apps, false otherwise.
*/
boolean applyDecodingForExtension(in AUTF8String aExtension,
in ACString aEncodingType);
/**
* Returns the current downloads directory, given the current preferences. May
* perform synchronous I/O.
*
* Not implemented on platforms where the downloads directory is not used by
* external helper apps (currently only Android).
*
* For use from script, prefer the asynchronous function of this same name in
* `DownloadIntegration.sys.mjs`, which is implemented on all platforms.
*/
nsIFile getPreferredDownloadsDirectory();
};
/**
* This is a private interface shared between external app handlers and the platform specific
* external helper app service
*/
[scriptable, uuid(6613e2e7-feab-4e3a-bb1f-b03200d544ec)]
interface nsPIExternalAppLauncher : nsISupports
{
/**
* mscott --> eventually I should move this into a new service so other
* consumers can add temporary files they want deleted on exit.
* @param aTemporaryFile A temporary file we should delete on exit.
*/
void deleteTemporaryFileOnExit(in nsIFile aTemporaryFile);
/**
* Delete a temporary file created inside private browsing mode when
* the private browsing mode has ended.
*/
void deleteTemporaryPrivateFileWhenPossible(in nsIFile aTemporaryFile);
};
/**
* A helper app launcher is a small object created to handle the launching
* of an external application.
*
* Note that cancelling the load via the nsICancelable interface will release
* the reference to the launcher dialog.
*/
[scriptable, uuid(acf2a516-7d7f-4771-8b22-6c4a559c088e)]
interface nsIHelperAppLauncher : nsICancelable
{
/**
* The mime info object associated with the content type this helper app
* launcher is currently attempting to load
*/
readonly attribute nsIMIMEInfo MIMEInfo;
/**
* The source uri
*/
readonly attribute nsIURI source;
/**
* The suggested name for this file
*/
readonly attribute AString suggestedFileName;
/**
* Saves the final destination of the file.
* NOTE: This will release the reference to the nsIHelperAppLauncherDialog.
*/
void promptForSaveDestination();
/**
* Tell the launcher that we will want to open the file.
* NOTE: This will release the reference to the nsIHelperAppLauncherDialog.
* @param aHandleInternally TRUE if we should handle opening this internally.
* @param aNewFileLocation a preferred location choosen through the File Picker.
* Null if going through the fast save without File Picker.
*/
void setDownloadToLaunch(in boolean aHandleInternally, in nsIFile aFile);
/**
* Use the MIMEInfo associated with us to open a file that is already local.
* Will no-op if `source` is not a local file.
*/
void launchLocalFile();
/**
* Callback invoked by nsIHelperAppLauncherDialog::promptForSaveToFileAsync
* after the user has chosen a file through the File Picker (or dismissed it).
* @param aFile The file that was chosen by the user (or null if dialog was dismissed).
* @param aDialogWasShown Optional boolean - false by default. Pass true if a
* dialog was opened in the process of reaching this file result. If true, we
* suppress the opening of the downloads panel to avoid redundancy.
*/
void saveDestinationAvailable(in nsIFile aFile, [optional] in boolean aDialogWasShown);
/**
* The following methods are used by the progress dialog to get or set
* information on the current helper app launcher download.
* This reference will be released when the download is finished (after the
* listener receives the STATE_STOP notification).
*/
void setWebProgressListener(in nsIWebProgressListener2 aWebProgressListener);
/**
* The file we are saving to
*/
readonly attribute nsIFile targetFile;
/**
* The executable-ness of the target file
*/
readonly attribute boolean targetFileIsExecutable;
/**
* Time when the download started
*/
readonly attribute PRTime timeDownloadStarted;
/**
* The download content length, or -1 if the length is not available.
*/
readonly attribute int64_t contentLength;
/**
* The browsingContext ID of the launcher's source
*/
readonly attribute uint64_t browsingContextId;
};
