gecko/uriloader/exthandler/nsIHelperAppLauncherDialog.idl

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/* -*- 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):
*
* 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 ***** */
#include "nsISupports.idl"
interface nsIHelperAppLauncher;
interface nsILocalFile;
/**
* 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(f3704fdc-8ae6-4eba-a3c3-f02958ac0649)]
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);
/**
* Invoke a save-to-file dialog instead of the full fledged helper app dialog.
* Returns the a nsILocalFile for the file name/location selected.
*
* @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.
*/
nsILocalFile promptForSaveToFile(in nsIHelperAppLauncher aLauncher,
in nsISupports aWindowContext,
in wstring aDefaultFileName,
in wstring aSuggestedFileExtension,
in boolean aForcePrompt);
};
%{C++
#define NS_IHELPERAPPLAUNCHERDLG_CONTRACTID "@mozilla.org/helperapplauncherdialog;1"
#define NS_IHELPERAPPLAUNCHERDLG_CLASSNAME "Mozilla Helper App Launcher Confirmation Dialog"
%}