ppapi/proxy/compositor_layer_resource.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 PPAPI_PROXY_COMPOSITOR_LAYER_RESOURCE_H_
   6 #define PPAPI_PROXY_COMPOSITOR_LAYER_RESOURCE_H_
   7
   8 #include "ppapi/c/ppb_compositor_layer.h"
   9 #include "ppapi/proxy/plugin_resource.h"
  10 #include "ppapi/proxy/ppapi_proxy_export.h"
  11 #include "ppapi/shared_impl/compositor_layer_data.h"
  12 #include "ppapi/shared_impl/scoped_pp_resource.h"
  13 #include "ppapi/thunk/ppb_compositor_layer_api.h"
  14
  15 namespace ppapi {
  16 namespace proxy {
  17
  18 class CompositorResource;
  19
  20 class PPAPI_PROXY_EXPORT CompositorLayerResource
  21     : public PluginResource,
  22       public thunk::PPB_CompositorLayer_API {
  23  public:
  24   // Release callback for texture or image layer.
  25   typedef base::Callback<void(int32_t, uint32_t, bool)> ReleaseCallback;
  26
  27   CompositorLayerResource(Connection connection,
  28                           PP_Instance instance,
  29                           const CompositorResource* compositor);
  30
  31   const CompositorLayerData& data() const { return data_; }
  32   const ReleaseCallback& release_callback() const {
  33     return release_callback_;
  34   }
  35   void ResetReleaseCallback() { release_callback_.Reset(); }
  36   void Invalidate() { compositor_ = NULL; }
  37
  38  private:
  39   enum LayerType {
  40     TYPE_COLOR,
  41     TYPE_TEXTURE,
  42     TYPE_IMAGE,
  43   };
  44
  45   ~CompositorLayerResource() override;
  46
  47   // Resource overrides:
  48   thunk::PPB_CompositorLayer_API* AsPPB_CompositorLayer_API() override;
  49
  50   // thunk::PPB_Compositor_API overrides:
  51   int32_t SetColor(float red,
  52                    float green,
  53                    float blue,
  54                    float alpha,
  55                    const PP_Size* size) override;
  56   int32_t SetTexture0_1(
  57       PP_Resource context,
  58       uint32_t texture,
  59       const PP_Size* size,
  60       const scoped_refptr<ppapi::TrackedCallback>& callback) override;
  61   int32_t SetTexture(
  62       PP_Resource context,
  63       uint32_t target,
  64       uint32_t texture,
  65       const PP_Size* size,
  66       const scoped_refptr<TrackedCallback>& callback) override;
  67   int32_t SetImage(
  68       PP_Resource image_data,
  69       const PP_Size* size,
  70       const scoped_refptr<TrackedCallback>& callback) override;
  71   int32_t SetClipRect(const PP_Rect* rect) override;
  72   int32_t SetTransform(const float matrix[16]) override;
  73   int32_t SetOpacity(float opacity) override;
  74   int32_t SetBlendMode(PP_BlendMode mode) override;
  75   int32_t SetSourceRect(const PP_FloatRect* rect) override;
  76   int32_t SetPremultipliedAlpha(PP_Bool premult) override;
  77
  78   bool SetType(LayerType type);
  79   int32_t CheckForSetTextureAndImage(
  80       LayerType type,
  81       const scoped_refptr<TrackedCallback>& release_callback);
  82
  83   // The CompositorResource which own the layer. The layer is invalidated if
  84   // compositor_ is NULL.
  85   const CompositorResource* compositor_;
  86
  87   // Release callback for uncommitted texture or image. When CommitLayers() on
  88   // the compositor_ is called, the callback will be copied into a map in the
  89   // compositor_, and it will be reset to NULL.
  90   ReleaseCallback release_callback_;
  91
  92   // Size of texture or image. It is used to verify the rect arg of
  93   // SetSourceRect().
  94   PP_FloatSize source_size_;
  95
  96   // Layer data.
  97   CompositorLayerData data_;
  98
  99   DISALLOW_COPY_AND_ASSIGN(CompositorLayerResource);
 100 };
 101
 102 }  // namespace proxy
 103 }  // namespace ppapi
 104
 105 #endif  // PPAPI_PROXY_COMPOSITOR_LAYER_RESOURCE_H_