mojo/aura/window_tree_host_mojo.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 MOJO_EXAMPLES_AURA_DEMO_WINDOW_TREE_HOST_VIEW_MANAGER_H_
   6 #define MOJO_EXAMPLES_AURA_DEMO_WINDOW_TREE_HOST_VIEW_MANAGER_H_
   7
   8 #include "mojo/services/public/cpp/view_manager/node_observer.h"
   9 #include "ui/aura/window_tree_host.h"
  10 #include "ui/events/event_source.h"
  11 #include "ui/gfx/geometry/rect.h"
  12
  13 class SkBitmap;
  14
  15 namespace ui {
  16 class Compositor;
  17 }
  18
  19 namespace mojo {
  20
  21 class WindowTreeHostMojoDelegate;
  22
  23 class WindowTreeHostMojo : public aura::WindowTreeHost,
  24                            public ui::EventSource,
  25                            public view_manager::NodeObserver {
  26  public:
  27   WindowTreeHostMojo(view_manager::Node* node,
  28                      WindowTreeHostMojoDelegate* delegate);
  29   virtual ~WindowTreeHostMojo();
  30
  31   // Returns the WindowTreeHostMojo for the specified compositor.
  32   static WindowTreeHostMojo* ForCompositor(ui::Compositor* compositor);
  33
  34   const gfx::Rect& bounds() const { return bounds_; }
  35
  36   // Sets the contents to show in this WindowTreeHost. This forwards to the
  37   // delegate.
  38   void SetContents(const SkBitmap& contents);
  39
  40   ui::EventDispatchDetails SendEventToProcessor(ui::Event* event) {
  41     return ui::EventSource::SendEventToProcessor(event);
  42   }
  43
  44  private:
  45   // WindowTreeHost:
  46   virtual ui::EventSource* GetEventSource() OVERRIDE;
  47   virtual gfx::AcceleratedWidget GetAcceleratedWidget() OVERRIDE;
  48   virtual void Show() OVERRIDE;
  49   virtual void Hide() OVERRIDE;
  50   virtual gfx::Rect GetBounds() const OVERRIDE;
  51   virtual void SetBounds(const gfx::Rect& bounds) OVERRIDE;
  52   virtual gfx::Point GetLocationOnNativeScreen() const OVERRIDE;
  53   virtual void SetCapture() OVERRIDE;
  54   virtual void ReleaseCapture() OVERRIDE;
  55   virtual void PostNativeEvent(const base::NativeEvent& native_event) OVERRIDE;
  56   virtual void OnDeviceScaleFactorChanged(float device_scale_factor) OVERRIDE;
  57   virtual void SetCursorNative(gfx::NativeCursor cursor) OVERRIDE;
  58   virtual void MoveCursorToNative(const gfx::Point& location) OVERRIDE;
  59   virtual void OnCursorVisibilityChangedNative(bool show) OVERRIDE;
  60
  61   // ui::EventSource:
  62   virtual ui::EventProcessor* GetEventProcessor() OVERRIDE;
  63
  64   // view_manager::NodeObserver:
  65   virtual void OnNodeBoundsChange(
  66       view_manager::Node* node,
  67       const gfx::Rect& old_bounds,
  68       const gfx::Rect& new_bounds,
  69       view_manager::NodeObserver::DispositionChangePhase phase) OVERRIDE;
  70
  71   view_manager::Node* node_;
  72
  73   gfx::Rect bounds_;
  74
  75   WindowTreeHostMojoDelegate* delegate_;
  76
  77   DISALLOW_COPY_AND_ASSIGN(WindowTreeHostMojo);
  78 };
  79
  80 }  // namespace mojo
  81
  82 #endif  // MOJO_EXAMPLES_AURA_DEMO_WINDOW_TREE_HOST_VIEW_MANAGER_H_