1// Copyright 2014 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.
4
5#ifndef EXTENSIONS_SHELL_BROWSER_SHELL_DESKTOP_CONTROLLER_H_
6#define EXTENSIONS_SHELL_BROWSER_SHELL_DESKTOP_CONTROLLER_H_
7
8#include "base/basictypes.h"
9#include "base/compiler_specific.h"
10#include "base/memory/scoped_ptr.h"
11#include "extensions/shell/browser/desktop_controller.h"
12#include "ui/aura/client/window_tree_client.h"
13#include "ui/aura/window_tree_host_observer.h"
14
15#if defined(OS_CHROMEOS)
16#include "chromeos/dbus/power_manager_client.h"
17#include "ui/display/chromeos/display_configurator.h"
18#endif
19
20namespace aura {
21class TestScreen;
22class Window;
23class WindowTreeHost;
24namespace client {
25class DefaultCaptureClient;
26class FocusClient;
27}
28}
29
30namespace content {
31class BrowserContext;
32}
33
34namespace gfx {
35class Size;
36}
37
38#if defined(OS_CHROMEOS)
39namespace ui {
40class UserActivityPowerManagerNotifier;
41}
42#endif
43
44namespace wm {
45class CompoundEventFilter;
46class CursorManager;
47class InputMethodEventFilter;
48class UserActivityDetector;
49}
50
51namespace extensions {
52class AppWindowClient;
53class Extension;
54
55// Handles desktop-related tasks for app_shell.
56class ShellDesktopController : public DesktopController,
57                               public aura::client::WindowTreeClient,
58#if defined(OS_CHROMEOS)
59                               public chromeos::PowerManagerClient::Observer,
60                               public ui::DisplayConfigurator::Observer,
61#endif
62                               public aura::WindowTreeHostObserver {
63 public:
64  ShellDesktopController();
65  virtual ~ShellDesktopController();
66
67  // DesktopController:
68  virtual aura::WindowTreeHost* GetHost() OVERRIDE;
69  virtual AppWindow* CreateAppWindow(content::BrowserContext* context,
70                                     const Extension* extension) OVERRIDE;
71  virtual void AddAppWindow(aura::Window* window) OVERRIDE;
72  virtual void CloseAppWindows() OVERRIDE;
73
74  // aura::client::WindowTreeClient overrides:
75  virtual aura::Window* GetDefaultParent(aura::Window* context,
76                                         aura::Window* window,
77                                         const gfx::Rect& bounds) OVERRIDE;
78
79#if defined(OS_CHROMEOS)
80  // chromeos::PowerManagerClient::Observer overrides:
81  virtual void PowerButtonEventReceived(bool down,
82                                        const base::TimeTicks& timestamp)
83      OVERRIDE;
84
85  // ui::DisplayConfigurator::Observer overrides.
86  virtual void OnDisplayModeChanged(const std::vector<
87      ui::DisplayConfigurator::DisplayState>& displays) OVERRIDE;
88#endif
89
90  // aura::WindowTreeHostObserver overrides:
91  virtual void OnHostCloseRequested(const aura::WindowTreeHost* host) OVERRIDE;
92
93 protected:
94  // Creates and sets the aura clients and window manager stuff. Subclass may
95  // initialize different sets of the clients.
96  virtual void InitWindowManager();
97
98 private:
99  // Creates the window that hosts the app.
100  void CreateRootWindow();
101
102  // Closes and destroys the root window hosting the app.
103  void DestroyRootWindow();
104
105  // Returns the dimensions (in pixels) of the primary display, or an empty size
106  // if the dimensions can't be determined or no display is connected.
107  gfx::Size GetPrimaryDisplaySize();
108
109#if defined(OS_CHROMEOS)
110  scoped_ptr<ui::DisplayConfigurator> display_configurator_;
111#endif
112
113  scoped_ptr<aura::TestScreen> test_screen_;
114
115  scoped_ptr<aura::WindowTreeHost> host_;
116
117  scoped_ptr<wm::CompoundEventFilter> root_window_event_filter_;
118
119  scoped_ptr<aura::client::DefaultCaptureClient> capture_client_;
120
121  scoped_ptr<wm::InputMethodEventFilter> input_method_filter_;
122
123  scoped_ptr<aura::client::FocusClient> focus_client_;
124
125  scoped_ptr<wm::CursorManager> cursor_manager_;
126
127  scoped_ptr<wm::UserActivityDetector> user_activity_detector_;
128#if defined(OS_CHROMEOS)
129  scoped_ptr<ui::UserActivityPowerManagerNotifier> user_activity_notifier_;
130#endif
131
132  scoped_ptr<AppWindowClient> app_window_client_;
133
134  // The desktop supports a single app window.
135  AppWindow* app_window_;  // NativeAppWindow::Close() deletes this.
136
137  DISALLOW_COPY_AND_ASSIGN(ShellDesktopController);
138};
139
140}  // namespace extensions
141
142#endif  // EXTENSIONS_SHELL_BROWSER_SHELL_DESKTOP_CONTROLLER_H_
143