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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 #include "ppapi/proxy/ppb_file_system_proxy.h" | 5 #include "ppapi/proxy/ppb_file_system_proxy.h" |
6 | 6 |
7 #include "base/message_loop.h" | 7 #include "base/message_loop.h" |
8 #include "base/task.h" | 8 #include "base/task.h" |
9 #include "ppapi/c/dev/ppb_file_system_dev.h" | |
10 #include "ppapi/c/pp_errors.h" | 9 #include "ppapi/c/pp_errors.h" |
| 10 #include "ppapi/c/ppb_file_system.h" |
11 #include "ppapi/proxy/enter_proxy.h" | 11 #include "ppapi/proxy/enter_proxy.h" |
12 #include "ppapi/proxy/host_dispatcher.h" | 12 #include "ppapi/proxy/host_dispatcher.h" |
13 #include "ppapi/proxy/plugin_dispatcher.h" | 13 #include "ppapi/proxy/plugin_dispatcher.h" |
14 #include "ppapi/proxy/plugin_resource.h" | 14 #include "ppapi/proxy/plugin_resource.h" |
15 #include "ppapi/proxy/ppapi_messages.h" | 15 #include "ppapi/proxy/ppapi_messages.h" |
16 #include "ppapi/proxy/serialized_var.h" | 16 #include "ppapi/proxy/serialized_var.h" |
17 #include "ppapi/thunk/enter.h" | 17 #include "ppapi/thunk/enter.h" |
18 #include "ppapi/thunk/ppb_file_system_api.h" | 18 #include "ppapi/thunk/ppb_file_system_api.h" |
19 #include "ppapi/thunk/resource_creation_api.h" | 19 #include "ppapi/thunk/resource_creation_api.h" |
20 #include "ppapi/thunk/thunk.h" | 20 #include "ppapi/thunk/thunk.h" |
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33 return new PPB_FileSystem_Proxy(dispatcher, target_interface); | 33 return new PPB_FileSystem_Proxy(dispatcher, target_interface); |
34 } | 34 } |
35 | 35 |
36 } // namespace | 36 } // namespace |
37 | 37 |
38 // This object maintains most of the state of the ref in the plugin for fast | 38 // This object maintains most of the state of the ref in the plugin for fast |
39 // querying. It's all set in the constructor from the "create info" sent from | 39 // querying. It's all set in the constructor from the "create info" sent from |
40 // the host. | 40 // the host. |
41 class FileSystem : public PluginResource, public PPB_FileSystem_API { | 41 class FileSystem : public PluginResource, public PPB_FileSystem_API { |
42 public: | 42 public: |
43 FileSystem(const HostResource& host_resource, PP_FileSystemType_Dev type); | 43 FileSystem(const HostResource& host_resource, PP_FileSystemType type); |
44 virtual ~FileSystem(); | 44 virtual ~FileSystem(); |
45 | 45 |
46 // ResourceObjectBase override. | 46 // ResourceObjectBase override. |
47 virtual PPB_FileSystem_API* AsPPB_FileSystem_API() OVERRIDE; | 47 virtual PPB_FileSystem_API* AsPPB_FileSystem_API() OVERRIDE; |
48 | 48 |
49 // PPB_FileSystem_APi implementation. | 49 // PPB_FileSystem_APi implementation. |
50 virtual int32_t Open(int64_t expected_size, | 50 virtual int32_t Open(int64_t expected_size, |
51 PP_CompletionCallback callback) OVERRIDE; | 51 PP_CompletionCallback callback) OVERRIDE; |
52 virtual PP_FileSystemType_Dev GetType() OVERRIDE; | 52 virtual PP_FileSystemType GetType() OVERRIDE; |
53 | 53 |
54 // Called when the host has responded to our open request. | 54 // Called when the host has responded to our open request. |
55 void OpenComplete(int32_t result); | 55 void OpenComplete(int32_t result); |
56 | 56 |
57 private: | 57 private: |
58 PP_FileSystemType_Dev type_; | 58 PP_FileSystemType type_; |
59 bool called_open_; | 59 bool called_open_; |
60 PP_CompletionCallback current_open_callback_; | 60 PP_CompletionCallback current_open_callback_; |
61 | 61 |
62 DISALLOW_COPY_AND_ASSIGN(FileSystem); | 62 DISALLOW_COPY_AND_ASSIGN(FileSystem); |
63 }; | 63 }; |
64 | 64 |
65 FileSystem::FileSystem(const HostResource& host_resource, | 65 FileSystem::FileSystem(const HostResource& host_resource, |
66 PP_FileSystemType_Dev type) | 66 PP_FileSystemType type) |
67 : PluginResource(host_resource), | 67 : PluginResource(host_resource), |
68 type_(type), | 68 type_(type), |
69 called_open_(false), | 69 called_open_(false), |
70 current_open_callback_(PP_MakeCompletionCallback(NULL, NULL)) { | 70 current_open_callback_(PP_MakeCompletionCallback(NULL, NULL)) { |
71 } | 71 } |
72 | 72 |
73 // TODO(brettw) this logic is duplicated with some other resource objects | 73 // TODO(brettw) this logic is duplicated with some other resource objects |
74 // like FileChooser. It would be nice to look at all of the different resources | 74 // like FileChooser. It would be nice to look at all of the different resources |
75 // that need callback tracking and design something that they can all re-use. | 75 // that need callback tracking and design something that they can all re-use. |
76 FileSystem::~FileSystem() { | 76 FileSystem::~FileSystem() { |
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95 if (called_open_) | 95 if (called_open_) |
96 return PP_ERROR_FAILED; | 96 return PP_ERROR_FAILED; |
97 | 97 |
98 current_open_callback_ = callback; | 98 current_open_callback_ = callback; |
99 called_open_ = true; | 99 called_open_ = true; |
100 GetDispatcher()->Send(new PpapiHostMsg_PPBFileSystem_Open( | 100 GetDispatcher()->Send(new PpapiHostMsg_PPBFileSystem_Open( |
101 INTERFACE_ID_PPB_FILE_SYSTEM, host_resource(), expected_size)); | 101 INTERFACE_ID_PPB_FILE_SYSTEM, host_resource(), expected_size)); |
102 return PP_OK_COMPLETIONPENDING; | 102 return PP_OK_COMPLETIONPENDING; |
103 } | 103 } |
104 | 104 |
105 PP_FileSystemType_Dev FileSystem::GetType() { | 105 PP_FileSystemType FileSystem::GetType() { |
106 return type_; | 106 return type_; |
107 } | 107 } |
108 | 108 |
109 void FileSystem::OpenComplete(int32_t result) { | 109 void FileSystem::OpenComplete(int32_t result) { |
110 PP_RunAndClearCompletionCallback(¤t_open_callback_, result); | 110 PP_RunAndClearCompletionCallback(¤t_open_callback_, result); |
111 } | 111 } |
112 | 112 |
113 PPB_FileSystem_Proxy::PPB_FileSystem_Proxy(Dispatcher* dispatcher, | 113 PPB_FileSystem_Proxy::PPB_FileSystem_Proxy(Dispatcher* dispatcher, |
114 const void* target_interface) | 114 const void* target_interface) |
115 : InterfaceProxy(dispatcher, target_interface), | 115 : InterfaceProxy(dispatcher, target_interface), |
116 callback_factory_(ALLOW_THIS_IN_INITIALIZER_LIST(this)) { | 116 callback_factory_(ALLOW_THIS_IN_INITIALIZER_LIST(this)) { |
117 } | 117 } |
118 | 118 |
119 PPB_FileSystem_Proxy::~PPB_FileSystem_Proxy() { | 119 PPB_FileSystem_Proxy::~PPB_FileSystem_Proxy() { |
120 } | 120 } |
121 | 121 |
122 const InterfaceProxy::Info* PPB_FileSystem_Proxy::GetInfo() { | 122 const InterfaceProxy::Info* PPB_FileSystem_Proxy::GetInfo() { |
123 static const Info info = { | 123 static const Info info = { |
124 ::ppapi::thunk::GetPPB_FileSystem_Thunk(), | 124 ::ppapi::thunk::GetPPB_FileSystem_Thunk(), |
125 PPB_FILESYSTEM_DEV_INTERFACE, | 125 PPB_FILESYSTEM_INTERFACE, |
126 INTERFACE_ID_PPB_FILE_SYSTEM, | 126 INTERFACE_ID_PPB_FILE_SYSTEM, |
127 false, | 127 false, |
128 &CreateFileSystemProxy, | 128 &CreateFileSystemProxy, |
129 }; | 129 }; |
130 return &info; | 130 return &info; |
131 } | 131 } |
132 | 132 |
133 // static | 133 // static |
134 PP_Resource PPB_FileSystem_Proxy::CreateProxyResource( | 134 PP_Resource PPB_FileSystem_Proxy::CreateProxyResource( |
135 PP_Instance instance, | 135 PP_Instance instance, |
136 PP_FileSystemType_Dev type) { | 136 PP_FileSystemType type) { |
137 PluginDispatcher* dispatcher = PluginDispatcher::GetForInstance(instance); | 137 PluginDispatcher* dispatcher = PluginDispatcher::GetForInstance(instance); |
138 if (!dispatcher) | 138 if (!dispatcher) |
139 return PP_ERROR_BADARGUMENT; | 139 return PP_ERROR_BADARGUMENT; |
140 | 140 |
141 HostResource result; | 141 HostResource result; |
142 dispatcher->Send(new PpapiHostMsg_PPBFileSystem_Create( | 142 dispatcher->Send(new PpapiHostMsg_PPBFileSystem_Create( |
143 INTERFACE_ID_PPB_FILE_SYSTEM, instance, type, &result)); | 143 INTERFACE_ID_PPB_FILE_SYSTEM, instance, type, &result)); |
144 if (result.is_null()) | 144 if (result.is_null()) |
145 return 0; | 145 return 0; |
146 | 146 |
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159 return handled; | 159 return handled; |
160 } | 160 } |
161 | 161 |
162 void PPB_FileSystem_Proxy::OnMsgCreate(PP_Instance instance, | 162 void PPB_FileSystem_Proxy::OnMsgCreate(PP_Instance instance, |
163 int type, | 163 int type, |
164 HostResource* result) { | 164 HostResource* result) { |
165 EnterFunctionNoLock<ResourceCreationAPI> enter(instance, true); | 165 EnterFunctionNoLock<ResourceCreationAPI> enter(instance, true); |
166 if (enter.failed()) | 166 if (enter.failed()) |
167 return; | 167 return; |
168 PP_Resource resource = enter.functions()->CreateFileSystem( | 168 PP_Resource resource = enter.functions()->CreateFileSystem( |
169 instance, static_cast<PP_FileSystemType_Dev>(type)); | 169 instance, static_cast<PP_FileSystemType>(type)); |
170 if (!resource) | 170 if (!resource) |
171 return; // CreateInfo default constructor initializes to 0. | 171 return; // CreateInfo default constructor initializes to 0. |
172 result->SetHostResource(instance, resource); | 172 result->SetHostResource(instance, resource); |
173 } | 173 } |
174 | 174 |
175 void PPB_FileSystem_Proxy::OnMsgOpen(const HostResource& host_resource, | 175 void PPB_FileSystem_Proxy::OnMsgOpen(const HostResource& host_resource, |
176 int64_t expected_size) { | 176 int64_t expected_size) { |
177 EnterHostFromHostResource<PPB_FileSystem_API> enter(host_resource); | 177 EnterHostFromHostResource<PPB_FileSystem_API> enter(host_resource); |
178 if (enter.failed()) | 178 if (enter.failed()) |
179 return; | 179 return; |
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196 | 196 |
197 void PPB_FileSystem_Proxy::OpenCompleteInHost( | 197 void PPB_FileSystem_Proxy::OpenCompleteInHost( |
198 int32_t result, | 198 int32_t result, |
199 const HostResource& host_resource) { | 199 const HostResource& host_resource) { |
200 dispatcher()->Send(new PpapiMsg_PPBFileSystem_OpenComplete( | 200 dispatcher()->Send(new PpapiMsg_PPBFileSystem_OpenComplete( |
201 INTERFACE_ID_PPB_FILE_SYSTEM, host_resource, result)); | 201 INTERFACE_ID_PPB_FILE_SYSTEM, host_resource, result)); |
202 } | 202 } |
203 | 203 |
204 } // namespace proxy | 204 } // namespace proxy |
205 } // namespace pp | 205 } // namespace pp |
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