ash/display/mirror_window_controller.h

   1 // Copyright (c) 2013 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 ASH_DISPLAY_MIRROR_WINDOW_CONTROLLER_H_
   6 #define ASH_DISPLAY_MIRROR_WINDOW_CONTROLLER_H_
   7
   8 #include "ash/ash_export.h"
   9 #include "base/compiler_specific.h"
  10 #include "base/memory/ref_counted.h"
  11 #include "base/memory/scoped_ptr.h"
  12 #include "ui/aura/root_window_observer.h"
  13 #include "ui/gfx/display.h"
  14 #include "ui/gfx/native_widget_types.h"
  15 #include "ui/gfx/point.h"
  16 #include "ui/gfx/size.h"
  17
  18 namespace aura {
  19 class RootWindow;
  20 class RootWindowTransformer;
  21 class Window;
  22 }
  23
  24 namespace ui {
  25 class Reflector;
  26 }
  27
  28 namespace ash {
  29 namespace test{
  30 class MirrorWindowTestApi;
  31 }
  32
  33 namespace internal {
  34 class DisplayInfo;
  35 class CursorWindowDelegate;
  36
  37 // An object that copies the content of the primary root window to a
  38 // mirror window. This also draws a mouse cursor as the mouse cursor
  39 // is typically drawn by the window system.
  40 class ASH_EXPORT MirrorWindowController : public aura::RootWindowObserver {
  41  public:
  42   MirrorWindowController();
  43   virtual ~MirrorWindowController();
  44
  45   // Updates the root window's bounds using |display_info|.
  46   // Creates the new root window if one doesn't exist.
  47   void UpdateWindow(const DisplayInfo& display_info);
  48
  49   // Same as above, but using existing display info
  50   // for the mirrored display.
  51   void UpdateWindow();
  52
  53   // Close the mirror window.
  54   void Close();
  55
  56   // Updates the mirrored cursor location,shape and
  57   // visibility.
  58   void UpdateCursorLocation();
  59   void SetMirroredCursor(gfx::NativeCursor cursor);
  60   void SetMirroredCursorVisibility(bool visible);
  61
  62   // aura::RootWindowObserver overrides:
  63   virtual void OnRootWindowHostResized(const aura::RootWindow* root) OVERRIDE;
  64
  65  private:
  66   friend class test::MirrorWindowTestApi;
  67
  68   // Creates a RootWindowTransformer for current display
  69   // configuration.
  70   scoped_ptr<aura::RootWindowTransformer> CreateRootWindowTransformer() const;
  71
  72   int current_cursor_type_;
  73   gfx::Display::Rotation current_cursor_rotation_;
  74   aura::Window* cursor_window_;  // owned by root window.
  75   scoped_ptr<aura::RootWindow> root_window_;
  76   scoped_ptr<CursorWindowDelegate> cursor_window_delegate_;
  77   gfx::Point hot_point_;
  78   gfx::Size mirror_window_host_size_;
  79   scoped_refptr<ui::Reflector> reflector_;
  80
  81   DISALLOW_COPY_AND_ASSIGN(MirrorWindowController);
  82 };
  83
  84 }  // namespace internal
  85 }  // namespace ash
  86
  87 #endif  // ASH_DISPLAY_MIRROR_WINDOW_CONTROLLER_H_