mus: Let clients set the cursor of their window.

components/mus/ws/display_manager.h

 // Copyright 2014 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #ifndef COMPONENTS_MUS_WS_DISPLAY_MANAGER_H_
 #define COMPONENTS_MUS_WS_DISPLAY_MANAGER_H_
 
 #include <map>
 
 #include "base/basictypes.h"
@@ skipping 14 matching lines @@
 
 namespace gles2 {
 class GpuState;
 }  // namespace gles2
 
 namespace mojo {
 class ApplicationImpl;
 }  // namespace mojo
 
 namespace ui {
+class CursorLoader;
 class PlatformWindow;
 struct TextInputState;
 }  // namespace ui
 
 namespace mus {
 
 class GpuState;
 class SurfacesState;
 class TopLevelDisplayClient;
 
@@ skipping 16 matching lines @@
   virtual void Init(DisplayManagerDelegate* delegate) = 0;
 
   // Schedules a paint for the specified region in the coordinates of |window|.
   virtual void SchedulePaint(const ServerWindow* window,
                              const gfx::Rect& bounds) = 0;
 
   virtual void SetViewportSize(const gfx::Size& size) = 0;
 
   virtual void SetTitle(const base::string16& title) = 0;
 
+  virtual void SetCursorById(int32_t cursor) = 0;
+
   virtual const mojom::ViewportMetrics& GetViewportMetrics() = 0;
 
   virtual void UpdateTextInputState(const ui::TextInputState& state) = 0;
   virtual void SetImeVisibility(bool visible) = 0;
 
   // Returns true if a compositor frame has been submitted but not drawn yet.
   virtual bool IsFramePending() const = 0;
 
   // Overrides factory for testing. Default (NULL) value indicates regular
   // (non-test) environment.
@@ skipping 15 matching lines @@
                         const scoped_refptr<GpuState>& gpu_state,
                         const scoped_refptr<SurfacesState>& surfaces_state);
   ~DefaultDisplayManager() override;
 
   // DisplayManager:
   void Init(DisplayManagerDelegate* delegate) override;
   void SchedulePaint(const ServerWindow* window,
                      const gfx::Rect& bounds) override;
   void SetViewportSize(const gfx::Size& size) override;
   void SetTitle(const base::string16& title) override;
+  void SetCursorById(int32_t cursor) override;
   const mojom::ViewportMetrics& GetViewportMetrics() override;
   void UpdateTextInputState(const ui::TextInputState& state) override;
   void SetImeVisibility(bool visible) override;
   bool IsFramePending() const override;
 
  private:
   void WantToDraw();
 
   // This method initiates a top level redraw of the display.
   // TODO(fsamuel): This should use vblank as a signal rather than a timer
@@ skipping 26 matching lines @@
   DisplayManagerDelegate* delegate_;
 
   mojom::ViewportMetrics metrics_;
   gfx::Rect dirty_rect_;
   base::Timer draw_timer_;
   bool frame_pending_;
 
   scoped_ptr<TopLevelDisplayClient> top_level_display_client_;
   scoped_ptr<ui::PlatformWindow> platform_window_;
 
+#if !defined(OS_ANDROID)
+  scoped_ptr<ui::CursorLoader> cursor_loader_;
+#endif
+
   base::WeakPtrFactory<DefaultDisplayManager> weak_factory_;
 
   DISALLOW_COPY_AND_ASSIGN(DefaultDisplayManager);
 };
 
 }  // namespace ws
 
 }  // namespace mus
 
 #endif  // COMPONENTS_MUS_WS_DISPLAY_MANAGER_H_