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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_BROWSER_CHROMEOS_STATUS_POWER_MENU_BUTTON_H_
#define CHROME_BROWSER_CHROMEOS_STATUS_POWER_MENU_BUTTON_H_
#include "app/menus/menu_model.h"
#include "chrome/browser/chromeos/cros/power_library.h"
#include "chrome/browser/chromeos/status/status_area_button.h"
#include "views/controls/menu/menu_2.h"
#include "views/controls/menu/view_menu_delegate.h"
class SkBitmap;
namespace chromeos {
// The power menu button in the status area.
// This class will handle getting the power status and populating the menu.
class PowerMenuButton : public StatusAreaButton,
public views::ViewMenuDelegate,
public menus::MenuModel,
public PowerLibrary::Observer {
public:
PowerMenuButton();
virtual ~PowerMenuButton();
// menus::MenuModel implementation.
virtual bool HasIcons() const { return false; }
virtual int GetItemCount() const;
virtual menus::MenuModel::ItemType GetTypeAt(int index) const;
virtual int GetCommandIdAt(int index) const { return index; }
virtual string16 GetLabelAt(int index) const;
virtual bool IsLabelDynamicAt(int index) const { return true; }
virtual bool GetAcceleratorAt(int index,
menus::Accelerator* accelerator) const { return false; }
virtual bool IsItemCheckedAt(int index) const { return false; }
virtual int GetGroupIdAt(int index) const { return 0; }
virtual bool GetIconAt(int index, SkBitmap* icon) const { return false; }
virtual menus::ButtonMenuItemModel* GetButtonMenuItemAt(int index) const {
return NULL;
}
virtual bool IsEnabledAt(int index) const { return false; }
virtual menus::MenuModel* GetSubmenuModelAt(int index) const { return NULL; }
virtual void HighlightChangedTo(int index) {}
virtual void ActivatedAt(int index) {}
virtual void MenuWillShow() {}
// PowerLibrary::Observer implementation.
virtual void PowerChanged(PowerLibrary* obj);
int icon_id() const { return icon_id_; }
protected:
// StatusAreaButton implementation.
virtual void DrawPressed(gfx::Canvas* canvas);
virtual void DrawIcon(gfx::Canvas* canvas);
private:
// views::ViewMenuDelegate implementation.
virtual void RunMenu(views::View* source, const gfx::Point& pt);
// This method will draw the |icon| in the appropriate place on the |canvas|.
void DrawPowerIcon(gfx::Canvas* canvas, SkBitmap icon);
// Update the power icon depending on the power status.
void UpdateIcon();
// The number of power images.
static const int kNumPowerImages;
// The power menu.
views::Menu2 power_menu_;
// The currently showing icon bitmap id.
int icon_id_;
DISALLOW_COPY_AND_ASSIGN(PowerMenuButton);
};
} // namespace chromeos
#endif // CHROME_BROWSER_CHROMEOS_STATUS_POWER_MENU_BUTTON_H_
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