src/athena/wm/window_list_provider_impl.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 ATHENA_WM_WINDOW_LIST_PROVIDER_IMPL_H_
   6 #define ATHENA_WM_WINDOW_LIST_PROVIDER_IMPL_H_
   7
   8 #include "athena/wm/public/window_list_provider.h"
   9 #include "ui/aura/window_observer.h"
  10
  11 namespace athena {
  12
  13 class WindowListProviderObserver;
  14
  15 // This implementation of the WindowListProviderImpl uses the same order as in
  16 // the container window's stacking order.
  17 class ATHENA_EXPORT WindowListProviderImpl : public WindowListProvider,
  18                                              public aura::WindowObserver {
  19  public:
  20   explicit WindowListProviderImpl(aura::Window* container);
  21   virtual ~WindowListProviderImpl();
  22
  23  private:
  24   void RecreateWindowList();
  25
  26   // WindowListProvider:
  27   virtual void AddObserver(WindowListProviderObserver* observer) OVERRIDE;
  28   virtual void RemoveObserver(WindowListProviderObserver* observer) OVERRIDE;
  29   virtual const aura::Window::Windows& GetWindowList() const OVERRIDE;
  30   virtual bool IsWindowInList(aura::Window* window) const OVERRIDE;
  31   virtual bool IsValidWindow(aura::Window* window) const OVERRIDE;
  32   virtual void StackWindowFrontOf(aura::Window* window,
  33                                   aura::Window*reference_window) OVERRIDE;
  34   virtual void StackWindowBehindTo(aura::Window* window,
  35                                    aura::Window*reference_window) OVERRIDE;
  36
  37   // aura::WindowObserver:
  38   virtual void OnWindowAdded(aura::Window* new_window) OVERRIDE;
  39   virtual void OnWillRemoveWindow(aura::Window* old_window) OVERRIDE;
  40   virtual void OnWindowStackingChanged(aura::Window* window) OVERRIDE;
  41
  42   aura::Window* container_;
  43   aura::Window::Windows window_list_;
  44   ObserverList<WindowListProviderObserver> observers_;
  45
  46   DISALLOW_COPY_AND_ASSIGN(WindowListProviderImpl);
  47 };
  48
  49 }  // namespace athena
  50
  51 #endif  // ATHENA_WM_WINDOW_LIST_PROVIDER_IMPL_H_