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// Copyright (c) 2012 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_BROWSER_UI_WEBUI_OPTIONS2_CHROMEOS_DISPLAY_OPTIONS_HANDLER_H_
#define CHROME_BROWSER_UI_WEBUI_OPTIONS2_CHROMEOS_DISPLAY_OPTIONS_HANDLER_H_
#include <vector>
#include "chrome/browser/ui/webui/options2/options_ui.h"
#include "ui/aura/display_observer.h"
namespace base {
class DictionaryValue;
class ListValue;
}
namespace chromeos {
namespace options2 {
// Display options overlay page UI handler.
class DisplayOptionsHandler : public ::options2::OptionsPageUIHandler,
public aura::DisplayObserver {
public:
DisplayOptionsHandler();
virtual ~DisplayOptionsHandler();
// OptionsPageUIHandler implementation.
virtual void GetLocalizedValues(
base::DictionaryValue* localized_strings) OVERRIDE;
virtual void InitializeHandler() OVERRIDE;
// WebUIMessageHandler implementation.
virtual void RegisterMessages() OVERRIDE;
// aura::DisplayObserver implementation.
virtual void OnDisplayBoundsChanged(const gfx::Display& display) OVERRIDE;
virtual void OnDisplayAdded(const gfx::Display& new_display) OVERRIDE;
virtual void OnDisplayRemoved(const gfx::Display& old_display) OVERRIDE;
private:
// Updates the display section visibility based on the current display
// configurations.
void UpdateDisplaySectionVisibility();
// Sends the current display information to the web_ui of options page.
void SendDisplayInfo();
// Handlers of JS messages.
void HandleDisplayInfo(const base::ListValue* unused_args);
void HandleMirroring(const base::ListValue* args);
void HandleDisplayLayout(const base::ListValue* args);
DISALLOW_COPY_AND_ASSIGN(DisplayOptionsHandler);
};
} // namespace options2
} // namespace chromeos
#endif // CHROME_BROWSER_UI_WEBUI_OPTIONS2_CHROMEOS_DISPLAY_OPTIONS_HANDLER_H_
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