src/ozone/ui/desktop_aura/window_tree_host_delegate_wayland.h

   1 // Copyright 2014 Intel Corporation. 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 OZONE_IMPL_DESKTOP_AURA_WINDOW_TREE_HOST_DELEGATE_WAYLAND_H_
   6 #define OZONE_IMPL_DESKTOP_AURA_WINDOW_TREE_HOST_DELEGATE_WAYLAND_H_
   7
   8 #include <list>
   9 #include <vector>
  10
  11 #include "base/basictypes.h"
  12 #include "base/message_loop/message_loop.h"
  13 #include "ozone/ui/events/window_change_observer.h"
  14 #include "ui/events/event.h"
  15 #include "ui/events/event_source.h"
  16 #include "ui/gfx/native_widget_types.h"
  17
  18 namespace views {
  19
  20 class DesktopWindowTreeHostWayland;
  21
  22 // A static class used by DesktopWindowTreeHostWayland to dispatch native events
  23 // and basic window management.
  24 class WindowTreeHostDelegateWayland
  25     : public base::MessagePumpDispatcher,
  26       public ui::EventSource,
  27       public ui::WindowChangeObserver {
  28  public:
  29   WindowTreeHostDelegateWayland();
  30   virtual ~WindowTreeHostDelegateWayland();
  31
  32   void OnRootWindowCreated(unsigned handle);
  33   void OnRootWindowClosed(unsigned handle);
  34
  35   void SetActiveWindow(DesktopWindowTreeHostWayland* dispatcher);
  36   DesktopWindowTreeHostWayland* GetActiveWindow() const;
  37
  38   void SetCapture(DesktopWindowTreeHostWayland* dispatcher);
  39   DesktopWindowTreeHostWayland* GetCurrentCapture() const;
  40
  41   const std::vector<aura::Window*>& GetAllOpenWindows();
  42
  43   // Overridden frm ui::EventSource
  44   virtual ui::EventProcessor* GetEventProcessor() OVERRIDE;
  45  private:
  46   // Overridden from Dispatcher:
  47   virtual uint32_t Dispatch(const base::NativeEvent& event) OVERRIDE;
  48   // Window Change Observer.
  49   virtual void OnWindowFocused(unsigned handle) OVERRIDE;
  50   virtual void OnWindowEnter(unsigned handle) OVERRIDE;
  51   virtual void OnWindowLeave(unsigned handle) OVERRIDE;
  52   virtual void OnWindowClose(unsigned handle) OVERRIDE;
  53   virtual void OnWindowResized(unsigned windowhandle,
  54                                unsigned width,
  55                                unsigned height) OVERRIDE;
  56
  57   // Dispatches a mouse event.
  58   void DispatchMouseEvent(ui::MouseEvent* event);
  59   std::list<unsigned>& open_windows();
  60   unsigned GetWindowHandle(gfx::AcceleratedWidget widget);
  61
  62   unsigned current_focus_window_;
  63   bool handle_event_ :1;
  64   bool stop_propogation_ :1;
  65
  66   // Current dispatcher.
  67   DesktopWindowTreeHostWayland* current_dispatcher_;
  68   // The current root window host that has capture. We need to track this so we
  69   // can notify widgets when they have lost capture, which controls a bunch of
  70   // things in views like hiding menus.
  71   DesktopWindowTreeHostWayland* current_capture_;
  72   DesktopWindowTreeHostWayland* current_active_window_;
  73   // List of all open windows.
  74   std::list<unsigned>* open_windows_;
  75   // List of all open aura::Window.
  76   std::vector<aura::Window*>* aura_windows_;
  77   DISALLOW_COPY_AND_ASSIGN(WindowTreeHostDelegateWayland);
  78 };
  79
  80 }  // namespace views
  81
  82 #endif  // OZONE_IMPL_DESKTOP_AURA_WINDOW_TREE_HOST_DELEGATE_WAYLAND_H_