Don't preload rarely seen large images
[chromium-blink-merge.git] / ash / desktop_background / desktop_background_view.h
blob17814d078fc8c04aace01f6a109301d1478170c5
1 // Copyright (c) 2012 The Chromium Authors. All rights reserved.
2 // Use of this source code is governed by a BSD-style license that can be
3 // found in the LICENSE file.
5 #ifndef ASH_DESKTOP_BACKGROUND_DESKTOP_BACKGROUND_VIEW_H_
6 #define ASH_DESKTOP_BACKGROUND_DESKTOP_BACKGROUND_VIEW_H_
8 #include "ui/events/event.h"
9 #include "ui/gfx/image/image_skia.h"
10 #include "ui/views/context_menu_controller.h"
11 #include "ui/views/view.h"
13 namespace ash {
15 class PreEventDispatchHandler;
17 class DesktopBackgroundView : public views::View,
18 public views::ContextMenuController {
19 public:
20 DesktopBackgroundView();
21 ~DesktopBackgroundView() override;
23 private:
24 // Overridden from views::View:
25 void OnPaint(gfx::Canvas* canvas) override;
26 bool OnMousePressed(const ui::MouseEvent& event) override;
28 // Overridden from views::ContextMenuController:
29 void ShowContextMenuForView(views::View* source,
30 const gfx::Point& point,
31 ui::MenuSourceType source_type) override;
32 scoped_ptr<PreEventDispatchHandler> pre_dispatch_handler_;
34 DISALLOW_COPY_AND_ASSIGN(DesktopBackgroundView);
37 } // namespace ash
39 #endif // ASH_DESKTOP_BACKGROUND_DESKTOP_BACKGROUND_VIEW_H_