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// Copyright (c) 2006-2008 The Chromium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#ifndef CHROME_VIEWS_CONTROLLER_H_
#define CHROME_VIEWS_CONTROLLER_H_
#include <string>
// TODO(beng): remove this interface and fold it into MenuDelegate.
class Controller {
public:
virtual ~Controller() { }
// Whether or not a command is supported by this controller.
virtual bool SupportsCommand(int id) const = 0;
// Whether or not a command is enabled.
virtual bool IsCommandEnabled(int id) const = 0;
// Assign the provided string with a contextual label. Returns true if a
// contextual label exists and false otherwise. This method can be used when
// implementing a menu or button that needs to have a different label
// depending on the context. If this method returns false, the default
// label used when creating the button or menu is used.
virtual bool GetContextualLabel(int id, std::wstring* out) const = 0;
// Executes a command.
virtual void ExecuteCommand(int id) = 0;
};
#endif // CHROME_VIEWS_CONTROLLER_H_
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