RetroZilla/embedding/components/commandhandler/public/nsICommandManager.idl
2015-10-20 23:03:22 -04:00

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/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
/* ***** 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):
* Simon Fraser <sfraser@netscape.com>
* Kathleen Brade <brade@netscape.com>
*
* 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"
#include "nsIObserver.idl"
#include "nsICommandParams.idl"
interface nsIDOMWindow;
/*
* nsICommandManager is an interface used to executing user-level commands,
* and getting the state of available commands.
*
* Commands are identified by strings, which are documented elsewhere.
* In addition, the list of required and optional parameters for
* each command, that are passed in via the nsICommandParams, are
* also documented elsewhere. (Where? Need a good location for this).
*/
[scriptable, uuid(080D2001-F91E-11D4-A73C-F9242928207C)]
interface nsICommandManager : nsISupports
{
/*
* Register an observer on the specified command. The observer's Observe
* method will get called when the state (enabled/disbaled, or toggled etc)
* of the command changes.
*
* You can register the same observer on multiple commmands by calling this
* multiple times.
*/
void addCommandObserver(in nsIObserver aCommandObserver,
in string aCommandToObserve);
/*
* Stop an observer from observering the specified command. If the observer
* was also registered on ther commands, they will continue to be observed.
*
* Passing an empty string in 'aCommandObserved' will remove the observer
* from all commands.
*/
void removeCommandObserver(in nsIObserver aCommandObserver,
in string aCommandObserved);
/*
* Ask the command manager if the specified command is supported.
* If aTargetWindow is null, the focused window is used.
*
*/
boolean isCommandSupported(in string aCommandName,
in nsIDOMWindow aTargetWindow);
/*
* Ask the command manager if the specified command is currently.
* enabled.
* If aTargetWindow is null, the focused window is used.
*/
boolean isCommandEnabled(in string aCommandName,
in nsIDOMWindow aTargetWindow);
/*
* Get the state of the specified commands.
*
* On input: aCommandParams filled in with values that the caller cares
* about, most of which are command-specific (see the command documentation
* for details). One boolean value, "enabled", applies to all commands,
* and, in return will be set to indicate whether the command is enabled
* (equivalent to calling isCommandEnabled).
*
* aCommandName is the name of the command that needs the state
* aTargetWindow is the source of command controller
* (null means use focus controller)
* On output: aCommandParams: values set by the caller filled in with
* state from the command.
*/
void getCommandState(in string aCommandName,
in nsIDOMWindow aTargetWindow,
/* inout */ in nsICommandParams aCommandParams);
/*
* Execute the specified command.
* The command will be executed in aTargetWindow if it is specified.
* If aTargetWindow is null, it will go to the focused window.
*
* param: aCommandParams, a list of name-value pairs of command parameters,
* may be null for parameter-less commands.
*
*/
void doCommand(in string aCommandName,
in nsICommandParams aCommandParams,
in nsIDOMWindow aTargetWindow);
};
/*
Arguments to observers "Observe" method are as follows:
void Observe( in nsISupports aSubject, // The nsICommandManager calling this Observer
in string aTopic, // Name of the command
in wstring aDummy ); // unused
*/
// {64edb481-0c04-11d5-a73c-e964b968b0bc}
%{C++
#define NS_COMMAND_MANAGER_CID \
{ 0x64edb481, 0x0c04, 0x11d5, { 0xa7, 0x3c, 0xe9, 0x64, 0xb9, 0x68, 0xb0, 0xbc } }
#define NS_COMMAND_MANAGER_CONTRACTID \
"@mozilla.org/embedcomp/command-manager;1"
%}