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1 // Copyright (c) 2012 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 #include "ppapi/proxy/ppb_flash_clipboard_proxy.h" | |
6 | |
7 #include "ppapi/c/pp_errors.h" | |
8 #include "ppapi/c/private/ppb_flash_clipboard.h" | |
9 #include "ppapi/proxy/plugin_dispatcher.h" | |
10 #include "ppapi/proxy/ppapi_messages.h" | |
11 #include "ppapi/proxy/serialized_var.h" | |
12 #include "ppapi/thunk/enter.h" | |
13 | |
14 using ppapi::thunk::PPB_Flash_Clipboard_FunctionAPI; | |
15 | |
16 namespace ppapi { | |
17 namespace proxy { | |
18 | |
19 namespace { | |
20 | |
21 typedef thunk::EnterFunctionNoLock<PPB_Flash_Clipboard_FunctionAPI> | |
22 EnterFlashClipboardNoLock; | |
23 | |
24 bool IsValidClipboardType(PP_Flash_Clipboard_Type clipboard_type) { | |
25 return clipboard_type == PP_FLASH_CLIPBOARD_TYPE_STANDARD || | |
26 clipboard_type == PP_FLASH_CLIPBOARD_TYPE_SELECTION; | |
27 } | |
28 | |
29 bool IsValidClipboardFormat(PP_Flash_Clipboard_Format format) { | |
30 // Purposely excludes |PP_FLASH_CLIPBOARD_FORMAT_INVALID|. | |
31 return format == PP_FLASH_CLIPBOARD_FORMAT_PLAINTEXT || | |
32 format == PP_FLASH_CLIPBOARD_FORMAT_HTML || | |
33 format == PP_FLASH_CLIPBOARD_FORMAT_RTF; | |
34 } | |
35 | |
36 } // namespace | |
37 | |
38 PPB_Flash_Clipboard_Proxy::PPB_Flash_Clipboard_Proxy(Dispatcher* dispatcher) | |
39 : InterfaceProxy(dispatcher) { | |
40 } | |
41 | |
42 PPB_Flash_Clipboard_Proxy::~PPB_Flash_Clipboard_Proxy() { | |
43 } | |
44 | |
45 PPB_Flash_Clipboard_FunctionAPI* | |
46 PPB_Flash_Clipboard_Proxy::AsPPB_Flash_Clipboard_FunctionAPI() { | |
47 return this; | |
48 } | |
49 | |
50 PP_Bool PPB_Flash_Clipboard_Proxy::IsFormatAvailable( | |
51 PP_Instance instance, | |
52 PP_Flash_Clipboard_Type clipboard_type, | |
53 PP_Flash_Clipboard_Format format) { | |
54 if (!IsValidClipboardType(clipboard_type) || !IsValidClipboardFormat(format)) | |
55 return PP_FALSE; | |
56 | |
57 bool result = false; | |
58 dispatcher()->Send(new PpapiHostMsg_PPBFlashClipboard_IsFormatAvailable( | |
59 API_ID_PPB_FLASH_CLIPBOARD, | |
60 instance, | |
61 static_cast<int>(clipboard_type), | |
62 static_cast<int>(format), | |
63 &result)); | |
64 return PP_FromBool(result); | |
65 } | |
66 PP_Var PPB_Flash_Clipboard_Proxy::ReadData( | |
67 PP_Instance instance, | |
68 PP_Flash_Clipboard_Type clipboard_type, | |
69 PP_Flash_Clipboard_Format format) { | |
70 if (!IsValidClipboardType(clipboard_type) || !IsValidClipboardFormat(format)) | |
71 return PP_MakeUndefined(); | |
72 | |
73 ReceiveSerializedVarReturnValue result; | |
74 dispatcher()->Send(new PpapiHostMsg_PPBFlashClipboard_ReadData( | |
75 API_ID_PPB_FLASH_CLIPBOARD, instance, | |
76 static_cast<int>(clipboard_type), static_cast<int>(format), &result)); | |
77 return result.Return(dispatcher()); | |
78 } | |
79 | |
80 | |
81 int32_t PPB_Flash_Clipboard_Proxy::WriteData( | |
82 PP_Instance instance, | |
83 PP_Flash_Clipboard_Type clipboard_type, | |
84 uint32_t data_item_count, | |
85 const PP_Flash_Clipboard_Format formats[], | |
86 const PP_Var data_items[]) { | |
87 if (!IsValidClipboardType(clipboard_type)) | |
88 return PP_ERROR_BADARGUMENT; | |
89 | |
90 for (size_t i = 0; i < data_item_count; ++i) { | |
91 if (!IsValidClipboardFormat(formats[i])) | |
92 return PP_ERROR_BADARGUMENT; | |
93 } | |
94 | |
95 std::vector<int> formats_vector(formats, formats + data_item_count); | |
96 | |
97 std::vector<SerializedVar> data_items_vector; | |
98 SerializedVarSendInput::ConvertVector( | |
99 dispatcher(), | |
100 data_items, | |
101 data_item_count, | |
102 &data_items_vector); | |
103 | |
104 dispatcher()->Send(new PpapiHostMsg_PPBFlashClipboard_WriteData( | |
105 API_ID_PPB_FLASH_CLIPBOARD, | |
106 instance, | |
107 static_cast<int>(clipboard_type), | |
108 formats_vector, | |
109 data_items_vector)); | |
110 // Assume success, since it allows us to avoid a sync IPC. | |
111 return PP_OK; | |
112 } | |
113 | |
114 bool PPB_Flash_Clipboard_Proxy::OnMessageReceived(const IPC::Message& msg) { | |
115 bool handled = true; | |
116 IPC_BEGIN_MESSAGE_MAP(PPB_Flash_Clipboard_Proxy, msg) | |
117 IPC_MESSAGE_HANDLER(PpapiHostMsg_PPBFlashClipboard_IsFormatAvailable, | |
118 OnMsgIsFormatAvailable) | |
119 IPC_MESSAGE_HANDLER(PpapiHostMsg_PPBFlashClipboard_ReadData, | |
120 OnMsgReadData) | |
121 IPC_MESSAGE_HANDLER(PpapiHostMsg_PPBFlashClipboard_WriteData, | |
122 OnMsgWriteData) | |
123 IPC_MESSAGE_UNHANDLED(handled = false) | |
124 IPC_END_MESSAGE_MAP() | |
125 return handled; | |
126 } | |
127 | |
128 void PPB_Flash_Clipboard_Proxy::OnMsgIsFormatAvailable( | |
129 PP_Instance instance, | |
130 int clipboard_type, | |
131 int format, | |
132 bool* result) { | |
133 EnterFlashClipboardNoLock enter(instance, true); | |
134 if (enter.succeeded()) { | |
135 *result = PP_ToBool(enter.functions()->IsFormatAvailable( | |
136 instance, | |
137 static_cast<PP_Flash_Clipboard_Type>(clipboard_type), | |
138 static_cast<PP_Flash_Clipboard_Format>(format))); | |
139 } else { | |
140 *result = false; | |
141 } | |
142 } | |
143 | |
144 void PPB_Flash_Clipboard_Proxy::OnMsgReadData( | |
145 PP_Instance instance, | |
146 int clipboard_type, | |
147 int format, | |
148 SerializedVarReturnValue result) { | |
149 EnterFlashClipboardNoLock enter(instance, true); | |
150 if (enter.succeeded()) { | |
151 result.Return(dispatcher(), | |
152 enter.functions()->ReadData( | |
153 instance, | |
154 static_cast<PP_Flash_Clipboard_Type>(clipboard_type), | |
155 static_cast<PP_Flash_Clipboard_Format>(format))); | |
156 } | |
157 } | |
158 | |
159 void PPB_Flash_Clipboard_Proxy::OnMsgWriteData( | |
160 PP_Instance instance, | |
161 int clipboard_type, | |
162 const std::vector<int>& formats, | |
163 SerializedVarVectorReceiveInput data_items) { | |
164 EnterFlashClipboardNoLock enter(instance, true); | |
165 if (enter.succeeded()) { | |
166 uint32_t data_item_count; | |
167 PP_Var* data_items_array = data_items.Get(dispatcher(), &data_item_count); | |
168 CHECK(data_item_count == formats.size()); | |
169 | |
170 scoped_array<PP_Flash_Clipboard_Format> formats_array( | |
171 new PP_Flash_Clipboard_Format[formats.size()]); | |
172 for (uint32_t i = 0; i < formats.size(); ++i) { | |
173 formats_array[i] = static_cast<PP_Flash_Clipboard_Format>(formats[i]); | |
174 } | |
175 | |
176 int32_t result = enter.functions()->WriteData( | |
177 instance, | |
178 static_cast<PP_Flash_Clipboard_Type>(clipboard_type), | |
179 data_item_count, | |
180 formats_array.get(), | |
181 data_items_array); | |
182 DLOG_IF(WARNING, result != PP_OK) | |
183 << "Write to clipboard failed unexpectedly."; | |
184 (void)result; // Prevent warning in release mode. | |
185 } | |
186 } | |
187 | |
188 } // namespace proxy | |
189 } // namespace ppapi | |
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