src/ozone/impl/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_WINDOW_TREE_HOST_DELEGATE_WAYLAND_H_
   6 #define OZONE_IMPL_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 ozonewayland::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<gfx::AcceleratedWidget>& open_windows();
  60
  61   unsigned current_focus_window_;
  62   bool handle_event_ :1;
  63   bool stop_propogation_ :1;
  64
  65   // Current dispatcher.
  66   DesktopWindowTreeHostWayland* current_dispatcher_;
  67   // The current root window host that has capture. We need to track this so we
  68   // can notify widgets when they have lost capture, which controls a bunch of
  69   // things in views like hiding menus.
  70   DesktopWindowTreeHostWayland* current_capture_;
  71   DesktopWindowTreeHostWayland* current_active_window_;
  72   // List of all open windows.
  73   std::list<gfx::AcceleratedWidget>* open_windows_;
  74   // List of all open aura::Window.
  75   std::vector<aura::Window*>* aura_windows_;
  76   DISALLOW_COPY_AND_ASSIGN(WindowTreeHostDelegateWayland);
  77 };
  78
  79 }  // namespace views
  80
  81 #endif  // OZONE_IMPL_WINDOW_TREE_HOST_DELEGATE_WAYLAND_H_