зеркало из https://github.com/mozilla/gecko-dev.git
121 строка
4.2 KiB
Plaintext
121 строка
4.2 KiB
Plaintext
/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
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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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#include "nsISupports.idl"
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#include "nsIObserver.idl"
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#include "nsICommandParams.idl"
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interface mozIDOMWindowProxy;
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%{C++
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class nsCommandManager;
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%}
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/*
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* nsICommandManager is an interface used to executing user-level commands,
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* and getting the state of available commands.
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*
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* Commands are identified by strings, which are documented elsewhere.
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* In addition, the list of required and optional parameters for
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* each command, that are passed in via the nsICommandParams, are
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* also documented elsewhere. (Where? Need a good location for this).
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*/
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[scriptable, builtinclass, uuid(bb5a1730-d83b-4fa2-831b-35b9d5842e84)]
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interface nsICommandManager : nsISupports
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{
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/*
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* Register an observer on the specified command. The observer's Observe
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* method will get called when the state (enabled/disbaled, or toggled etc)
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* of the command changes.
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*
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* You can register the same observer on multiple commmands by calling this
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* multiple times.
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*/
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void addCommandObserver(in nsIObserver aCommandObserver,
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in string aCommandToObserve);
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/*
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* Stop an observer from observering the specified command. If the observer
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* was also registered on ther commands, they will continue to be observed.
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*
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* Passing an empty string in 'aCommandObserved' will remove the observer
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* from all commands.
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*/
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void removeCommandObserver(in nsIObserver aCommandObserver,
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in string aCommandObserved);
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/*
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* Ask the command manager if the specified command is supported.
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* If aTargetWindow is null, the focused window is used.
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*
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*/
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boolean isCommandSupported(in string aCommandName,
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in mozIDOMWindowProxy aTargetWindow);
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/*
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* Ask the command manager if the specified command is currently.
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* enabled.
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* If aTargetWindow is null, the focused window is used.
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*/
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boolean isCommandEnabled(in string aCommandName,
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in mozIDOMWindowProxy aTargetWindow);
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/*
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* Get the state of the specified commands.
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*
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* On input: aCommandParams filled in with values that the caller cares
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* about, most of which are command-specific (see the command documentation
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* for details). One boolean value, "enabled", applies to all commands,
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* and, in return will be set to indicate whether the command is enabled
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* (equivalent to calling isCommandEnabled).
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*
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* aCommandName is the name of the command that needs the state
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* aTargetWindow is the source of command controller
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* (null means use focus controller)
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* On output: aCommandParams: values set by the caller filled in with
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* state from the command.
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*/
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void getCommandState(in string aCommandName,
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in mozIDOMWindowProxy aTargetWindow,
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/* inout */ in nsICommandParams aCommandParams);
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/*
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* Execute the specified command.
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* The command will be executed in aTargetWindow if it is specified.
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* If aTargetWindow is null, it will go to the focused window.
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*
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* param: aCommandParams, a list of name-value pairs of command parameters,
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* may be null for parameter-less commands.
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*
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*/
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[can_run_script]
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void doCommand(in string aCommandName,
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in nsICommandParams aCommandParams,
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in mozIDOMWindowProxy aTargetWindow);
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%{C++
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/**
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* In order to avoid circular dependency issues, these methods are defined
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* in nsCommandManager.h. Consumers need to #include that header.
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*/
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inline nsCommandManager* AsCommandManager();
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inline const nsCommandManager* AsCommandManager() const;
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%}
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};
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/*
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Arguments to observers "Observe" method are as follows:
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void Observe( in nsISupports aSubject, // The nsICommandManager calling this Observer
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in string aTopic, // Name of the command
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in wstring aDummy ); // unused
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*/
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