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| 1 // Copyright (c) 2010 The Chromium Authors. All rights reserved. | 1 // Copyright (c) 2010 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 #include "webkit/glue/plugins/pepper_buffer.h" | 5 #include "webkit/plugins/ppapi/ppb_buffer_impl.h" |
| 6 | 6 |
| 7 #include <algorithm> | 7 #include <algorithm> |
| 8 | 8 |
| 9 #include "base/logging.h" | 9 #include "base/logging.h" |
| 10 #include "base/scoped_ptr.h" | 10 #include "base/scoped_ptr.h" |
| 11 #include "ppapi/c/dev/ppb_buffer_dev.h" | 11 #include "ppapi/c/dev/ppb_buffer_dev.h" |
| 12 #include "ppapi/c/pp_instance.h" | 12 #include "ppapi/c/pp_instance.h" |
| 13 #include "ppapi/c/pp_module.h" | 13 #include "ppapi/c/pp_module.h" |
| 14 #include "ppapi/c/pp_resource.h" | 14 #include "ppapi/c/pp_resource.h" |
| 15 #include "webkit/glue/plugins/pepper_common.h" | 15 #include "webkit/plugins/ppapi/common.h" |
| 16 #include "webkit/glue/plugins/pepper_plugin_instance.h" | 16 #include "webkit/plugins/ppapi/plugin_instance.h" |
| 17 #include "webkit/glue/plugins/pepper_plugin_module.h" | 17 #include "webkit/plugins/ppapi/plugin_module.h" |
| 18 | 18 |
| 19 namespace pepper { | 19 namespace webkit { |
| 20 namespace plugins { |
| 21 namespace ppapi { |
| 20 | 22 |
| 21 namespace { | 23 namespace { |
| 22 | 24 |
| 23 PP_Resource Create(PP_Module module_id, uint32_t size) { | 25 PP_Resource Create(PP_Module module_id, uint32_t size) { |
| 24 PluginModule* module = ResourceTracker::Get()->GetModule(module_id); | 26 PluginModule* module = ResourceTracker::Get()->GetModule(module_id); |
| 25 if (!module) | 27 if (!module) |
| 26 return 0; | 28 return 0; |
| 27 | 29 |
| 28 scoped_refptr<Buffer> buffer(new Buffer(module)); | 30 scoped_refptr<PPB_Buffer_Impl> buffer(new PPB_Buffer_Impl(module)); |
| 29 if (!buffer->Init(size)) | 31 if (!buffer->Init(size)) |
| 30 return 0; | 32 return 0; |
| 31 | 33 |
| 32 return buffer->GetReference(); | 34 return buffer->GetReference(); |
| 33 } | 35 } |
| 34 | 36 |
| 35 PP_Bool IsBuffer(PP_Resource resource) { | 37 PP_Bool IsPPB_Buffer_Impl(PP_Resource resource) { |
| 36 return BoolToPPBool(!!Resource::GetAs<Buffer>(resource)); | 38 return BoolToPPBool(!!Resource::GetAs<PPB_Buffer_Impl>(resource)); |
| 37 } | 39 } |
| 38 | 40 |
| 39 PP_Bool Describe(PP_Resource resource, uint32_t* size_in_bytes) { | 41 PP_Bool Describe(PP_Resource resource, uint32_t* size_in_bytes) { |
| 40 scoped_refptr<Buffer> buffer(Resource::GetAs<Buffer>(resource)); | 42 scoped_refptr<PPB_Buffer_Impl> buffer( |
| 43 Resource::GetAs<PPB_Buffer_Impl>(resource)); |
| 41 if (!buffer) | 44 if (!buffer) |
| 42 return PP_FALSE; | 45 return PP_FALSE; |
| 43 buffer->Describe(size_in_bytes); | 46 buffer->Describe(size_in_bytes); |
| 44 return PP_TRUE; | 47 return PP_TRUE; |
| 45 } | 48 } |
| 46 | 49 |
| 47 void* Map(PP_Resource resource) { | 50 void* Map(PP_Resource resource) { |
| 48 scoped_refptr<Buffer> buffer(Resource::GetAs<Buffer>(resource)); | 51 scoped_refptr<PPB_Buffer_Impl> buffer( |
| 52 Resource::GetAs<PPB_Buffer_Impl>(resource)); |
| 49 if (!buffer) | 53 if (!buffer) |
| 50 return NULL; | 54 return NULL; |
| 51 return buffer->Map(); | 55 return buffer->Map(); |
| 52 } | 56 } |
| 53 | 57 |
| 54 void Unmap(PP_Resource resource) { | 58 void Unmap(PP_Resource resource) { |
| 55 scoped_refptr<Buffer> buffer(Resource::GetAs<Buffer>(resource)); | 59 scoped_refptr<PPB_Buffer_Impl> buffer( |
| 60 Resource::GetAs<PPB_Buffer_Impl>(resource)); |
| 56 if (!buffer) | 61 if (!buffer) |
| 57 return; | 62 return; |
| 58 return buffer->Unmap(); | 63 return buffer->Unmap(); |
| 59 } | 64 } |
| 60 | 65 |
| 61 const PPB_Buffer_Dev ppb_buffer = { | 66 const PPB_Buffer_Dev ppb_buffer = { |
| 62 &Create, | 67 &Create, |
| 63 &IsBuffer, | 68 &IsPPB_Buffer_Impl, |
| 64 &Describe, | 69 &Describe, |
| 65 &Map, | 70 &Map, |
| 66 &Unmap, | 71 &Unmap, |
| 67 }; | 72 }; |
| 68 | 73 |
| 69 } // namespace | 74 } // namespace |
| 70 | 75 |
| 71 Buffer::Buffer(PluginModule* module) | 76 PPB_Buffer_Impl::PPB_Buffer_Impl(PluginModule* module) |
| 72 : Resource(module), | 77 : Resource(module), |
| 73 size_(0) { | 78 size_(0) { |
| 74 } | 79 } |
| 75 | 80 |
| 76 Buffer::~Buffer() { | 81 PPB_Buffer_Impl::~PPB_Buffer_Impl() { |
| 77 } | 82 } |
| 78 | 83 |
| 79 // static | 84 // static |
| 80 const PPB_Buffer_Dev* Buffer::GetInterface() { | 85 const PPB_Buffer_Dev* PPB_Buffer_Impl::GetInterface() { |
| 81 return &ppb_buffer; | 86 return &ppb_buffer; |
| 82 } | 87 } |
| 83 | 88 |
| 84 Buffer* Buffer::AsBuffer() { return this; } | 89 PPB_Buffer_Impl* PPB_Buffer_Impl::AsPPB_Buffer_Impl() { |
| 90 return this; |
| 91 } |
| 85 | 92 |
| 86 bool Buffer::Init(uint32_t size) { | 93 bool PPB_Buffer_Impl::Init(uint32_t size) { |
| 87 if (size == 0) | 94 if (size == 0) |
| 88 return false; | 95 return false; |
| 89 Unmap(); | 96 Unmap(); |
| 90 size_ = size; | 97 size_ = size; |
| 91 return true; | 98 return true; |
| 92 } | 99 } |
| 93 | 100 |
| 94 void Buffer::Describe(uint32_t* size_in_bytes) const { | 101 void PPB_Buffer_Impl::Describe(uint32_t* size_in_bytes) const { |
| 95 *size_in_bytes = size_; | 102 *size_in_bytes = size_; |
| 96 } | 103 } |
| 97 | 104 |
| 98 void* Buffer::Map() { | 105 void* PPB_Buffer_Impl::Map() { |
| 99 if (size_ == 0) | 106 if (size_ == 0) |
| 100 return NULL; | 107 return NULL; |
| 101 | 108 |
| 102 if (!is_mapped()) { | 109 if (!is_mapped()) { |
| 103 mem_buffer_.reset(new unsigned char[size_]); | 110 mem_buffer_.reset(new unsigned char[size_]); |
| 104 memset(mem_buffer_.get(), 0, size_); | 111 memset(mem_buffer_.get(), 0, size_); |
| 105 } | 112 } |
| 106 return mem_buffer_.get(); | 113 return mem_buffer_.get(); |
| 107 } | 114 } |
| 108 | 115 |
| 109 void Buffer::Unmap() { | 116 void PPB_Buffer_Impl::Unmap() { |
| 110 mem_buffer_.reset(); | 117 mem_buffer_.reset(); |
| 111 } | 118 } |
| 112 | 119 |
| 113 void Buffer::Swap(Buffer* other) { | 120 } // namespace ppapi |
| 114 swap(other->mem_buffer_, mem_buffer_); | 121 } // namespace plugins |
| 115 std::swap(other->size_, size_); | 122 } // namespace webkit |
| 116 } | |
| 117 | 123 |
| 118 } // namespace pepper | |
| 119 | |
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