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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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