Adding status to swap complete

ui/ozone/platform/drm/gpu/hardware_display_controller.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 UI_OZONE_PLATFORM_DRM_GPU_HARDWARE_DISPLAY_CONTROLLER_H_
 #define UI_OZONE_PLATFORM_DRM_GPU_HARDWARE_DISPLAY_CONTROLLER_H_
 
 #include <stddef.h>
 #include <stdint.h>
 #include <xf86drmMode.h>
 #include <deque>
 #include <map>
 #include <vector>
 
 #include "base/basictypes.h"
 #include "base/callback.h"
 #include "base/containers/scoped_ptr_hash_map.h"
 #include "base/memory/scoped_ptr.h"
 #include "base/memory/scoped_vector.h"
+#include "ui/gfx/swap_result.h"
 #include "ui/ozone/ozone_export.h"
 #include "ui/ozone/platform/drm/gpu/hardware_display_plane_manager.h"
 #include "ui/ozone/platform/drm/gpu/overlay_plane.h"
 
 namespace gfx {
 class Point;
 }
 
 namespace ui {
 
@@ skipping 49 matching lines @@
 //       |                  |
 //      ----------------------
 //      |        CRTC1       |
 //      ----------------------
 //
 // Note that it is possible to have more connectors than CRTCs which means that
 // only a subset of connectors can be active independently, showing different
 // framebuffers. Though, in this case, it would be possible to have all
 // connectors active if some use the same CRTC to mirror the display.
 class OZONE_EXPORT HardwareDisplayController {
+  typedef base::Callback<void(gfx::SwapResult)> PageFlipCallback;
+
  public:
   HardwareDisplayController(scoped_ptr<CrtcController> controller,
                             const gfx::Point& origin);
   ~HardwareDisplayController();
 
   // Performs the initial CRTC configuration. If successful, it will display the
   // framebuffer for |primary| with |mode|.
   bool Modeset(const OverlayPlane& primary, drmModeModeInfo mode);
 
   // Disables the CRTC.
@@ skipping 17 matching lines @@
   // Returns true if the page flip was successfully registered, false otherwise.
   //
   // When called with |test_only| true, this performs the page flip without
   // changing any state, reporting if this page flip would be allowed to occur.
   // This is always a synchronous operation, so |is_sync| is ignored and the
   // callback is called immediately but should also be ignored; only the return
   // value matters.
   bool SchedulePageFlip(const OverlayPlaneList& plane_list,
                         bool is_sync,
                         bool test_only,
-                        const base::Closure& callback);
+                        const PageFlipCallback& callback);
 
   // Set the hardware cursor to show the contents of |surface|.
   bool SetCursor(const scoped_refptr<ScanoutBuffer>& buffer);
 
   bool UnsetCursor();
 
   // Moves the hardware cursor to |location|.
   bool MoveCursor(const gfx::Point& location);
 
   void AddCrtc(scoped_ptr<CrtcController> controller);
@@ skipping 32 matching lines @@
   drmModeModeInfo mode_;
 
   bool is_disabled_;
 
   DISALLOW_COPY_AND_ASSIGN(HardwareDisplayController);
 };
 
 }  // namespace ui
 
 #endif  // UI_OZONE_PLATFORM_DRM_GPU_HARDWARE_DISPLAY_CONTROLLER_H_