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