Improve audio/video sync during underflow, reduce underflow frequency.
[chromium-blink-merge.git] / ash / shelf / shelf_alignment_menu.h
blob519629255614783e241f485b7b65b90f7650e92e
1 // Copyright 2013 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_SHELF_SHELF_ALIGNMENT_MENU_H_
6 #define ASH_SHELF_SHELF_ALIGNMENT_MENU_H_
8 #include "ash/ash_export.h"
9 #include "base/basictypes.h"
10 #include "ui/base/models/simple_menu_model.h"
12 namespace aura {
13 class RootWindow;
16 namespace ash {
18 // Submenu for choosing the alignment of the launcher.
19 class ASH_EXPORT ShelfAlignmentMenu : public ui::SimpleMenuModel,
20 public ui::SimpleMenuModel::Delegate {
21 public:
22 explicit ShelfAlignmentMenu(aura::Window* root);
23 ~ShelfAlignmentMenu() override;
25 // ui::SimpleMenuModel::Delegate overrides:
26 bool IsCommandIdChecked(int command_id) const override;
27 bool IsCommandIdEnabled(int command_id) const override;
28 bool GetAcceleratorForCommandId(int command_id,
29 ui::Accelerator* accelerator) override;
30 void ExecuteCommand(int command_id, int event_flags) override;
32 private:
33 enum MenuItem {
34 // Offset so as not to interfere with other menus.
35 MENU_ALIGN_LEFT = 500,
36 MENU_ALIGN_RIGHT,
37 MENU_ALIGN_BOTTOM,
40 aura::Window* root_window_;
42 DISALLOW_COPY_AND_ASSIGN(ShelfAlignmentMenu);
45 } // namespace ash
47 #endif // ASH_SHELF_SHELF_ALIGNMENT_MENU_H_