ui/ozone/platform/cast/surface_factory_cast.h

   1 // Copyright 2015 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 UI_OZONE_PLATFORM_CAST_SURFACE_FACTORY_CAST_H_
   6 #define UI_OZONE_PLATFORM_CAST_SURFACE_FACTORY_CAST_H_
   7
   8 #include "base/callback.h"
   9 #include "base/memory/scoped_ptr.h"
  10 #include "ui/gfx/geometry/size.h"
  11 #include "ui/ozone/public/surface_factory_ozone.h"
  12
  13 namespace chromecast {
  14 class CastEglPlatform;
  15 }
  16
  17 namespace ui {
  18
  19 // SurfaceFactoryOzone implementation for OzonePlatformCast.
  20 class SurfaceFactoryCast : public SurfaceFactoryOzone {
  21  public:
  22   explicit SurfaceFactoryCast(
  23       scoped_ptr<chromecast::CastEglPlatform> egl_platform);
  24   ~SurfaceFactoryCast() override;
  25
  26   // SurfaceFactoryOzone implementation:
  27   intptr_t GetNativeDisplay() override;
  28   scoped_ptr<SurfaceOzoneEGL> CreateEGLSurfaceForWidget(
  29       gfx::AcceleratedWidget widget) override;
  30   const int32* GetEGLSurfaceProperties(const int32* desired_list) override;
  31   scoped_refptr<NativePixmap> CreateNativePixmap(
  32       gfx::AcceleratedWidget w,
  33       gfx::Size size,
  34       gfx::BufferFormat format,
  35       gfx::BufferUsage usage) override;
  36   bool LoadEGLGLES2Bindings(
  37       AddGLLibraryCallback add_gl_library,
  38       SetGLGetProcAddressProcCallback set_gl_get_proc_address) override;
  39
  40   void SetToRelinquishDisplay(const base::Closure& callback);
  41   intptr_t GetNativeWindow();
  42   bool ResizeDisplay(gfx::Size viewport_size);
  43   void ChildDestroyed();
  44   void SendRelinquishResponse();
  45
  46  private:
  47   enum HardwareState { kUninitialized, kInitialized, kFailed };
  48
  49   // Window is destroyed if both SetToDestroyEGLDisplay()
  50   // and destructor are called (in either order) before the next
  51   // SurfaceOzoneEglCast is created in order to preserve the
  52   // window across surface creation whenever possible.
  53   enum DestroyWindowPendingState {
  54     kNoDestroyPending = 0,      // Surface does not exist
  55     kSurfaceExists,             // surface and window both exist
  56     kWindowDestroyPending,      // Relinquish before surface Destroy
  57     kSurfaceDestroyedRecently,  // surface Destroy before Relinquish
  58   };
  59
  60   void CreateDisplayTypeAndWindowIfNeeded();
  61   void DestroyDisplayTypeAndWindow();
  62   void DestroyWindow();
  63   void InitializeHardware();
  64   void ShutdownHardware();
  65
  66   HardwareState state_;
  67   DestroyWindowPendingState destroy_window_pending_state_;
  68   base::Closure relinquish_display_callback_;
  69   void* display_type_;
  70   bool have_display_type_;
  71   void* window_;
  72   gfx::Size display_size_;
  73   gfx::Size new_display_size_;
  74   scoped_ptr<chromecast::CastEglPlatform> egl_platform_;
  75
  76   DISALLOW_COPY_AND_ASSIGN(SurfaceFactoryCast);
  77 };
  78
  79 }  // namespace ui
  80
  81 #endif  // UI_OZONE_PLATFORM_CAST_SURFACE_FACTORY_CAST_H_