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1 // Copyright (c) 2011 The Chromium Authors. All rights reserved. | 1 // Copyright (c) 2011 The Chromium Authors. All rights reserved. |
2 // Use of this source code is governed by a BSD-style license that can be | 2 // Use of this source code is governed by a BSD-style license that can be |
3 // found in the LICENSE file. | 3 // found in the LICENSE file. |
4 | 4 |
5 #ifndef NATIVE_CLIENT_SRC_SHARED_PPAPI_PROXY_PLUGIN_RESOURCE_H_ | 5 #ifndef NATIVE_CLIENT_SRC_SHARED_PPAPI_PROXY_PLUGIN_RESOURCE_H_ |
6 #define NATIVE_CLIENT_SRC_SHARED_PPAPI_PROXY_PLUGIN_RESOURCE_H_ | 6 #define NATIVE_CLIENT_SRC_SHARED_PPAPI_PROXY_PLUGIN_RESOURCE_H_ |
7 | 7 |
8 #include "native_client/src/include/nacl_base.h" | 8 #include "native_client/src/include/nacl_base.h" |
9 #include "native_client/src/include/ref_counted.h" | 9 #include "native_client/src/include/ref_counted.h" |
10 #include "native_client/src/shared/ppapi_proxy/plugin_resource_tracker.h" | 10 #include "native_client/src/shared/ppapi_proxy/plugin_resource_tracker.h" |
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22 F(PluginGraphics3D) \ | 22 F(PluginGraphics3D) \ |
23 F(PluginImageData) \ | 23 F(PluginImageData) \ |
24 F(PluginInputEvent) \ | 24 F(PluginInputEvent) \ |
25 F(PluginView) | 25 F(PluginView) |
26 | 26 |
27 // Forward declaration of PluginResource classes. | 27 // Forward declaration of PluginResource classes. |
28 #define DECLARE_RESOURCE_CLASS(RESOURCE) class RESOURCE; | 28 #define DECLARE_RESOURCE_CLASS(RESOURCE) class RESOURCE; |
29 FOR_ALL_RESOURCES(DECLARE_RESOURCE_CLASS) | 29 FOR_ALL_RESOURCES(DECLARE_RESOURCE_CLASS) |
30 #undef DECLARE_RESOURCE_CLASS | 30 #undef DECLARE_RESOURCE_CLASS |
31 | 31 |
32 class PluginResource : public nacl::RefCounted<PluginResource> { | 32 class PluginResource : public nacl::RefCountedThreadSafe<PluginResource> { |
33 public: | 33 public: |
34 PluginResource(); | 34 PluginResource(); |
35 virtual ~PluginResource(); | |
36 | 35 |
37 // Returns NULL if the resource is invalid or is a different type. | 36 // Returns NULL if the resource is invalid or is a different type. |
38 template<typename T> | 37 template<typename T> |
39 static scoped_refptr<T> GetAs(PP_Resource res) { | 38 static scoped_refptr<T> GetAs(PP_Resource res) { |
40 // See if we have the resource cached. | 39 // See if we have the resource cached. |
41 scoped_refptr<PluginResource> resource = | 40 scoped_refptr<PluginResource> resource = |
42 PluginResourceTracker::Get()->GetExistingResource(res); | 41 PluginResourceTracker::Get()->GetExistingResource(res); |
43 | 42 |
44 return resource ? resource->Cast<T>() : NULL; | 43 return resource ? resource->Cast<T>() : NULL; |
45 } | 44 } |
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62 // Returns NULL if the resource is invalid or is a different type. | 61 // Returns NULL if the resource is invalid or is a different type. |
63 template<typename T> | 62 template<typename T> |
64 static scoped_refptr<T> AdoptAsWithNoBrowserCount(PP_Resource res); | 63 static scoped_refptr<T> AdoptAsWithNoBrowserCount(PP_Resource res); |
65 | 64 |
66 // Cast the resource into a specified type. This will return NULL if the | 65 // Cast the resource into a specified type. This will return NULL if the |
67 // resource does not match the specified type. Specializations of this | 66 // resource does not match the specified type. Specializations of this |
68 // template call into As* functions. | 67 // template call into As* functions. |
69 template <typename T> T* Cast() { return NULL; } | 68 template <typename T> T* Cast() { return NULL; } |
70 | 69 |
71 protected: | 70 protected: |
| 71 virtual ~PluginResource(); |
| 72 |
72 virtual bool InitFromBrowserResource(PP_Resource resource) = 0; | 73 virtual bool InitFromBrowserResource(PP_Resource resource) = 0; |
73 | 74 |
74 private: | 75 private: |
| 76 friend class nacl::RefCountedThreadSafe<PluginResource>; |
| 77 |
75 // Type-specific getters for individual resource types. These will return | 78 // Type-specific getters for individual resource types. These will return |
76 // NULL if the resource does not match the specified type. Used by the Cast() | 79 // NULL if the resource does not match the specified type. Used by the Cast() |
77 // function. | 80 // function. |
78 #define DEFINE_TYPE_GETTER(RESOURCE) \ | 81 #define DEFINE_TYPE_GETTER(RESOURCE) \ |
79 virtual RESOURCE* As##RESOURCE() { return NULL; } | 82 virtual RESOURCE* As##RESOURCE() { return NULL; } |
80 FOR_ALL_RESOURCES(DEFINE_TYPE_GETTER) | 83 FOR_ALL_RESOURCES(DEFINE_TYPE_GETTER) |
81 #undef DEFINE_TYPE_GETTER | 84 #undef DEFINE_TYPE_GETTER |
82 | 85 |
83 // Call this macro in the derived class declaration to actually implement the | 86 // Call this macro in the derived class declaration to actually implement the |
84 // type getter. | 87 // type getter. |
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141 // Adopt the resource with 0 browser-side refcount. | 144 // Adopt the resource with 0 browser-side refcount. |
142 const size_t browser_refcount = 0; | 145 const size_t browser_refcount = 0; |
143 return PluginResourceTracker::Get()->AdoptBrowserResource<T>( | 146 return PluginResourceTracker::Get()->AdoptBrowserResource<T>( |
144 res, browser_refcount); | 147 res, browser_refcount); |
145 } | 148 } |
146 | 149 |
147 } // namespace ppapi_proxy | 150 } // namespace ppapi_proxy |
148 | 151 |
149 #endif // NATIVE_CLIENT_SRC_SHARED_PPAPI_PROXY_PLUGIN_RESOURCE_H_ | 152 #endif // NATIVE_CLIENT_SRC_SHARED_PPAPI_PROXY_PLUGIN_RESOURCE_H_ |
150 | 153 |
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