extensions/shell/browser/shell_desktop_controller.h

   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
  20 namespace aura {
  21 class TestScreen;
  22 class Window;
  23 class WindowTreeHost;
  24 namespace client {
  25 class DefaultCaptureClient;
  26 class FocusClient;
  27 }
  28 }
  29
  30 namespace content {
  31 class BrowserContext;
  32 }
  33
  34 namespace gfx {
  35 class Size;
  36 }
  37
  38 #if defined(OS_CHROMEOS)
  39 namespace ui {
  40 class UserActivityPowerManagerNotifier;
  41 }
  42 #endif
  43
  44 namespace wm {
  45 class CompoundEventFilter;
  46 class CursorManager;
  47 class InputMethodEventFilter;
  48 class UserActivityDetector;
  49 }
  50
  51 namespace extensions {
  52
  53 class Extension;
  54
  55 // Handles desktop-related tasks for app_shell.
  56 class 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   // The desktop supports a single app window.
 133   AppWindow* app_window_;  // NativeAppWindow::Close() deletes this.
 134
 135   DISALLOW_COPY_AND_ASSIGN(ShellDesktopController);
 136 };
 137
 138 }  // namespace extensions
 139
 140 #endif  // EXTENSIONS_SHELL_BROWSER_SHELL_DESKTOP_CONTROLLER_H_