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// Copyright 2014 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 ASH_SHELF_APP_LIST_BUTTON_H_
#define ASH_SHELF_APP_LIST_BUTTON_H_
#include "ui/views/controls/button/image_button.h"
namespace ash {
class ShelfButtonHost;
class ShelfWidget;
// Button used for the AppList icon on the shelf.
class AppListButton : public views::ImageButton {
public:
// Bounds size (inset) required for the app icon image (in pixels).
static const int kImageBoundsSize;
AppListButton(views::ButtonListener* listener,
ShelfButtonHost* host,
ShelfWidget* shelf_widget);
virtual ~AppListButton();
bool draw_background_as_active() {
return draw_background_as_active_;
}
protected:
// views::ImageButton overrides:
virtual bool OnMousePressed(const ui::MouseEvent& event) OVERRIDE;
virtual void OnMouseReleased(const ui::MouseEvent& event) OVERRIDE;
virtual void OnMouseCaptureLost() OVERRIDE;
virtual bool OnMouseDragged(const ui::MouseEvent& event) OVERRIDE;
virtual void OnMouseMoved(const ui::MouseEvent& event) OVERRIDE;
virtual void OnMouseEntered(const ui::MouseEvent& event) OVERRIDE;
virtual void OnMouseExited(const ui::MouseEvent& event) OVERRIDE;
virtual void OnPaint(gfx::Canvas* canvas) OVERRIDE;
virtual void GetAccessibleState(ui::AXViewState* state) OVERRIDE;
// ui::EventHandler overrides:
virtual void OnGestureEvent(ui::GestureEvent* event) OVERRIDE;
private:
// Toggles the active state for painting the background and schedules a paint.
void SetDrawBackgroundAsActive(bool draw_background_as_active);
// True if the background should render as active, regardless of the state of
// the application list.
bool draw_background_as_active_;
ShelfButtonHost* host_;
// Reference to the shelf widget containing this button, owned by the
// root window controller.
ShelfWidget* shelf_widget_;
DISALLOW_COPY_AND_ASSIGN(AppListButton);
};
} // namespace ash
#endif // ASH_SHELF_APP_LIST_BUTTON_H_
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