Refactor ShellDesktopController and ShellNativeAppWindow to allow for non-aura implementations.

extensions/shell/browser/shell_desktop_controller.h

-// Copyright 2014 The Chromium Authors. All rights reserved.
-// Use of this source code is governed by a BSD-style license that can be
-// found in the LICENSE file.
-
-#ifndef EXTENSIONS_SHELL_BROWSER_SHELL_DESKTOP_CONTROLLER_H_
-#define EXTENSIONS_SHELL_BROWSER_SHELL_DESKTOP_CONTROLLER_H_
-
-#include <vector>
-
-#include "base/basictypes.h"
-#include "base/compiler_specific.h"
-#include "base/memory/scoped_ptr.h"
-#include "extensions/shell/browser/desktop_controller.h"
-#include "ui/aura/client/window_tree_client.h"
-#include "ui/aura/window_tree_host_observer.h"
-
-#if defined(OS_CHROMEOS)
-#include "chromeos/dbus/power_manager_client.h"
-#include "ui/display/chromeos/display_configurator.h"
-#endif
-
-namespace aura {
-class TestScreen;
-class Window;
-class WindowTreeHost;
-namespace client {
-class DefaultCaptureClient;
-class FocusClient;
-}
-}
-
-namespace content {
-class BrowserContext;
-}
-
-namespace gfx {
-class Size;
-}
-
-#if defined(OS_CHROMEOS)
-namespace ui {
-class UserActivityPowerManagerNotifier;
-}
-#endif
-
-namespace wm {
-class CompoundEventFilter;
-class CursorManager;
-class InputMethodEventFilter;
-class UserActivityDetector;
-}
-
-namespace extensions {
-class AppWindowClient;
-class Extension;
-
-// Handles desktop-related tasks for app_shell.
-class ShellDesktopController : public DesktopController,
-                               public aura::client::WindowTreeClient,
-#if defined(OS_CHROMEOS)
-                               public chromeos::PowerManagerClient::Observer,
-                               public ui::DisplayConfigurator::Observer,
-#endif
-                               public aura::WindowTreeHostObserver {
- public:
-  ShellDesktopController();
-  ~ShellDesktopController() override;
-
-  // DesktopController:
-  aura::WindowTreeHost* GetHost() override;
-  AppWindow* CreateAppWindow(content::BrowserContext* context,
-                             const Extension* extension) override;
-  void AddAppWindow(aura::Window* window) override;
-  void RemoveAppWindow(AppWindow* window) override;
-  void CloseAppWindows() override;
-
-  // aura::client::WindowTreeClient overrides:
-  aura::Window* GetDefaultParent(aura::Window* context,
-                                 aura::Window* window,
-                                 const gfx::Rect& bounds) override;
-
-#if defined(OS_CHROMEOS)
-  // chromeos::PowerManagerClient::Observer overrides:
-  virtual void PowerButtonEventReceived(bool down,
-                                        const base::TimeTicks& timestamp)
-      override;
-
-  // ui::DisplayConfigurator::Observer overrides.
-  virtual void OnDisplayModeChanged(const std::vector<
-      ui::DisplayConfigurator::DisplayState>& displays) override;
-#endif
-
-  // aura::WindowTreeHostObserver overrides:
-  void OnHostCloseRequested(const aura::WindowTreeHost* host) override;
-
- protected:
-  // Creates and sets the aura clients and window manager stuff. Subclass may
-  // initialize different sets of the clients.
-  virtual void InitWindowManager();
-
- private:
-  // Creates the window that hosts the app.
-  void CreateRootWindow();
-
-  // Closes and destroys the root window hosting the app.
-  void DestroyRootWindow();
-
-  // Returns the dimensions (in pixels) of the primary display, or an empty size
-  // if the dimensions can't be determined or no display is connected.
-  gfx::Size GetPrimaryDisplaySize();
-
-#if defined(OS_CHROMEOS)
-  scoped_ptr<ui::DisplayConfigurator> display_configurator_;
-#endif
-
-  scoped_ptr<aura::TestScreen> test_screen_;
-
-  scoped_ptr<aura::WindowTreeHost> host_;
-
-  scoped_ptr<wm::CompoundEventFilter> root_window_event_filter_;
-
-  scoped_ptr<aura::client::DefaultCaptureClient> capture_client_;
-
-  scoped_ptr<wm::InputMethodEventFilter> input_method_filter_;
-
-  scoped_ptr<aura::client::FocusClient> focus_client_;
-
-  scoped_ptr<wm::CursorManager> cursor_manager_;
-
-  scoped_ptr<wm::UserActivityDetector> user_activity_detector_;
-#if defined(OS_CHROMEOS)
-  scoped_ptr<ui::UserActivityPowerManagerNotifier> user_activity_notifier_;
-#endif
-
-  scoped_ptr<AppWindowClient> app_window_client_;
-
-  // NativeAppWindow::Close() deletes the AppWindow.
-  std::vector<AppWindow*> app_windows_;
-
-  DISALLOW_COPY_AND_ASSIGN(ShellDesktopController);
-};
-
-}  // namespace extensions
-
-#endif  // EXTENSIONS_SHELL_BROWSER_SHELL_DESKTOP_CONTROLLER_H_