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 class ShellAppWindow;
  55 class ShellAppWindowController;
  56
  57 // Handles desktop-related tasks for app_shell.
  58 class ShellDesktopController : public DesktopController,
  59                                public aura::client::WindowTreeClient,
  60 #if defined(OS_CHROMEOS)
  61                                public chromeos::PowerManagerClient::Observer,
  62                                public ui::DisplayConfigurator::Observer,
  63 #endif
  64                                public aura::WindowTreeHostObserver {
  65  public:
  66   ShellDesktopController();
  67   virtual ~ShellDesktopController();
  68
  69   // DesktopController:
  70   virtual aura::WindowTreeHost* GetHost() OVERRIDE;
  71   virtual ShellAppWindow* CreateAppWindow(content::BrowserContext* context,
  72                                           const Extension* extension) OVERRIDE;
  73   virtual void CloseAppWindows() OVERRIDE;
  74
  75   // aura::client::WindowTreeClient overrides:
  76   virtual aura::Window* GetDefaultParent(aura::Window* context,
  77                                          aura::Window* window,
  78                                          const gfx::Rect& bounds) OVERRIDE;
  79
  80 #if defined(OS_CHROMEOS)
  81   // chromeos::PowerManagerClient::Observer overrides:
  82   virtual void PowerButtonEventReceived(bool down,
  83                                         const base::TimeTicks& timestamp)
  84       OVERRIDE;
  85
  86   // ui::DisplayConfigurator::Observer overrides.
  87   virtual void OnDisplayModeChanged(const std::vector<
  88       ui::DisplayConfigurator::DisplayState>& displays) OVERRIDE;
  89 #endif
  90
  91   // aura::WindowTreeHostObserver overrides:
  92   virtual void OnHostCloseRequested(const aura::WindowTreeHost* host) OVERRIDE;
  93
  94  protected:
  95   // Creates and sets the aura clients and window manager stuff. Subclass may
  96   // initialize different sets of the clients.
  97   virtual void InitWindowManager();
  98
  99  private:
 100   // Creates the window that hosts the app.
 101   void CreateRootWindow();
 102
 103   // Closes and destroys the root window hosting the app.
 104   void DestroyRootWindow();
 105
 106   // Returns the dimensions (in pixels) of the primary display, or an empty size
 107   // if the dimensions can't be determined or no display is connected.
 108   gfx::Size GetPrimaryDisplaySize();
 109
 110 #if defined(OS_CHROMEOS)
 111   scoped_ptr<ui::DisplayConfigurator> display_configurator_;
 112 #endif
 113
 114   scoped_ptr<aura::TestScreen> test_screen_;
 115
 116   scoped_ptr<aura::WindowTreeHost> host_;
 117
 118   scoped_ptr<wm::CompoundEventFilter> root_window_event_filter_;
 119
 120   scoped_ptr<aura::client::DefaultCaptureClient> capture_client_;
 121
 122   scoped_ptr<wm::InputMethodEventFilter> input_method_filter_;
 123
 124   scoped_ptr<aura::client::FocusClient> focus_client_;
 125
 126   scoped_ptr<wm::CursorManager> cursor_manager_;
 127
 128   scoped_ptr<wm::UserActivityDetector> user_activity_detector_;
 129 #if defined(OS_CHROMEOS)
 130   scoped_ptr<ui::UserActivityPowerManagerNotifier> user_activity_notifier_;
 131 #endif
 132
 133   // The desktop supports a single app window.
 134   scoped_ptr<ShellAppWindow> app_window_;
 135
 136   DISALLOW_COPY_AND_ASSIGN(ShellDesktopController);
 137 };
 138
 139 }  // namespace extensions
 140
 141 #endif  // EXTENSIONS_SHELL_BROWSER_SHELL_DESKTOP_CONTROLLER_H_