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/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
/* 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 "nsISupports.idl"
interface nsIHelperAppLauncher;
interface nsIFile;
/**
* This interface is used to display a confirmation dialog before
* launching a "helper app" to handle content not handled by
* Mozilla.
*
* Usage: Clients (of which there is one: the nsIExternalHelperAppService
* implementation in mozilla/uriloader/exthandler) create an instance of
* this interface (using the contract ID) and then call the show() method.
*
* The dialog is shown non-modally. The implementation of the dialog
* will access methods of the nsIHelperAppLauncher passed in to show()
* in order to cause a "save to disk" or "open using" action.
*/
[scriptable, uuid(bfc739f3-8d75-4034-a6f8-1039a5996bad)]
interface nsIHelperAppLauncherDialog : nsISupports {
/**
* This request is passed to the helper app dialog because Gecko can not
* handle content of this type.
*/
const unsigned long REASON_CANTHANDLE = 0;
/**
* The server requested external handling.
*/
const unsigned long REASON_SERVERREQUEST = 1;
/**
* Gecko detected that the type sent by the server (e.g. text/plain) does
* not match the actual type.
*/
const unsigned long REASON_TYPESNIFFED = 2;
/**
* Show confirmation dialog for launching application (or "save to
* disk") for content specified by aLauncher.
*
* @param aLauncher
* A nsIHelperAppLauncher to be invoked when a file is selected.
* @param aWindowContext
* Window associated with action.
* @param aReason
* One of the constants from above. It indicates why the dialog is
* shown. Implementors should treat unknown reasons like
* REASON_CANTHANDLE.
*/
void show(in nsIHelperAppLauncher aLauncher,
in nsISupports aWindowContext,
in unsigned long aReason);
/**
* Async invoke a save-to-file dialog instead of the full fledged helper app
* dialog. When the file is chosen (or the dialog is closed), the callback
* in aLauncher (aLauncher.saveDestinationAvailable) is called with the
* selected file.
*
* @param aLauncher
* A nsIHelperAppLauncher to be invoked when a file is selected.
* @param aWindowContext
* Window associated with action.
* @param aDefaultFileName
* Default file name to provide (can be null)
* @param aSuggestedFileExtension
* Sugested file extension
* @param aForcePrompt
* Set to true to force prompting the user for thet file
* name/location, otherwise perferences may control if the user is
* prompted.
*/
void promptForSaveToFileAsync(in nsIHelperAppLauncher aLauncher,
in nsISupports aWindowContext,
in wstring aDefaultFileName,
in wstring aSuggestedFileExtension,
in boolean aForcePrompt);
};
%{C++
#define NS_HELPERAPPLAUNCHERDLG_CONTRACTID "@mozilla.org/helperapplauncherdialog;1"
%}
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