Modified the flash cipboard interface to add html clipboard support.

ppapi/proxy/ppb_flash_clipboard_proxy.cc

 // Copyright (c) 2011 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "ppapi/proxy/ppb_flash_clipboard_proxy.h"
 
 #include "ppapi/c/pp_errors.h"
 #include "ppapi/c/private/ppb_flash_clipboard.h"
 #include "ppapi/proxy/plugin_dispatcher.h"
 #include "ppapi/proxy/ppapi_messages.h"
@@ skipping 48 matching lines @@
       instance,
       static_cast<int>(clipboard_type),
       static_cast<int>(format),
       &result));
   return PP_FromBool(result);
 }
 
 PP_Var PPB_Flash_Clipboard_Proxy::ReadPlainText(
     PP_Instance instance,
     PP_Flash_Clipboard_Type clipboard_type) {
-  if (!IsValidClipboardType(clipboard_type))
-    return PP_MakeUndefined();
-
-  ReceiveSerializedVarReturnValue result;
-  dispatcher()->Send(new PpapiHostMsg_PPBFlashClipboard_ReadPlainText(
-      API_ID_PPB_FLASH_CLIPBOARD, instance,
-      static_cast<int>(clipboard_type), &result));
-  return result.Return(dispatcher());
+  return ReadData(instance, clipboard_type,
+                  PP_FLASH_CLIPBOARD_FORMAT_PLAINTEXT);
 }
 
 int32_t PPB_Flash_Clipboard_Proxy::WritePlainText(
     PP_Instance instance,
     PP_Flash_Clipboard_Type clipboard_type,
     const PP_Var& text) {
+  PP_Flash_Clipboard_Data_Item data_item =
+        {PP_FLASH_CLIPBOARD_FORMAT_PLAINTEXT, text};

[viettrungluu, 2012/02/08 22:25:01]

style nit: indentation is off (and I think we want spaces inside the braces, but
I'm not sure about that)

[raymes, 2012/02/09 00:20:27]

Done. Spaces inside the braces are optional according to the style.

+  return WriteData(instance, clipboard_type, 1, &data_item);
+}
+
+PP_Var PPB_Flash_Clipboard_Proxy::ReadData(
+    PP_Instance instance,
+    PP_Flash_Clipboard_Type clipboard_type,
+    PP_Flash_Clipboard_Format format) {
+  if (!IsValidClipboardType(clipboard_type) || !IsValidClipboardFormat(format))
+    return PP_MakeUndefined();
+
+  ReceiveSerializedVarReturnValue result;
+  dispatcher()->Send(new PpapiHostMsg_PPBFlashClipboard_ReadData(
+      API_ID_PPB_FLASH_CLIPBOARD, instance,
+      static_cast<int>(clipboard_type), static_cast<int>(format), &result));
+  return result.Return(dispatcher());
+}
+
+
+int32_t PPB_Flash_Clipboard_Proxy::WriteData(
+    PP_Instance instance,
+    PP_Flash_Clipboard_Type clipboard_type,
+    uint32_t data_item_count,
+    const struct
+    PP_Flash_Clipboard_Data_Item data_items[]) {
   if (!IsValidClipboardType(clipboard_type))
     return PP_ERROR_BADARGUMENT;
 
-  dispatcher()->Send(new PpapiHostMsg_PPBFlashClipboard_WritePlainText(
+  // Convert the array of PP_Flash_Clipboard_Data_Item into two parallel
+  // arrays of format and corresponding data.
+  PP_Var formats[data_item_count];
+  PP_Var data[data_item_count];
+
+  for (uint32_t i = 0; i < data_item_count; ++i) {
+    formats[i] = PP_MakeInt32(data_items[i].format);
+    data[i] = data_items[i].data;
+  }
+
+  std::vector<SerializedVar> formats_converted;
+  std::vector<SerializedVar> data_converted;
+  SerializedVarSendInput::ConvertVector(dispatcher(), formats, data_item_count,
+      &formats_converted);
+  SerializedVarSendInput::ConvertVector(dispatcher(), data, data_item_count,
+        &data_converted);
+
+  dispatcher()->Send(new PpapiHostMsg_PPBFlashClipboard_WriteData(
       API_ID_PPB_FLASH_CLIPBOARD,
       instance,
       static_cast<int>(clipboard_type),
-      SerializedVarSendInput(dispatcher(), text)));
+      formats_converted,
+      data_converted));
   // Assume success, since it allows us to avoid a sync IPC.
   return PP_OK;
 }
 
 bool PPB_Flash_Clipboard_Proxy::OnMessageReceived(const IPC::Message& msg) {
   bool handled = true;
   IPC_BEGIN_MESSAGE_MAP(PPB_Flash_Clipboard_Proxy, msg)
     IPC_MESSAGE_HANDLER(PpapiHostMsg_PPBFlashClipboard_IsFormatAvailable,
                         OnMsgIsFormatAvailable)
-    IPC_MESSAGE_HANDLER(PpapiHostMsg_PPBFlashClipboard_ReadPlainText,
-                        OnMsgReadPlainText)
-    IPC_MESSAGE_HANDLER(PpapiHostMsg_PPBFlashClipboard_WritePlainText,
-                        OnMsgWritePlainText)
+    IPC_MESSAGE_HANDLER(PpapiHostMsg_PPBFlashClipboard_ReadData,
+                            OnMsgReadData)

[viettrungluu, 2012/02/08 22:25:01]

nit: alignment

[raymes, 2012/02/09 00:20:27]

Done.

+    IPC_MESSAGE_HANDLER(PpapiHostMsg_PPBFlashClipboard_WriteData,
+                        OnMsgWriteData)
     IPC_MESSAGE_UNHANDLED(handled = false)
   IPC_END_MESSAGE_MAP()
   return handled;
 }
 
 void PPB_Flash_Clipboard_Proxy::OnMsgIsFormatAvailable(
     PP_Instance instance,
     int clipboard_type,
     int format,
     bool* result) {
   EnterFlashClipboardNoLock enter(instance, true);
   if (enter.succeeded()) {
     *result = PP_ToBool(enter.functions()->IsFormatAvailable(
         instance,
         static_cast<PP_Flash_Clipboard_Type>(clipboard_type),
         static_cast<PP_Flash_Clipboard_Format>(format)));
   } else {
     *result = false;
   }
 }
 
-void PPB_Flash_Clipboard_Proxy::OnMsgReadPlainText(
+void PPB_Flash_Clipboard_Proxy::OnMsgReadData(
     PP_Instance instance,
     int clipboard_type,
+    int format,
     SerializedVarReturnValue result) {
   EnterFlashClipboardNoLock enter(instance, true);
   if (enter.succeeded()) {
     result.Return(dispatcher(),
-                  enter.functions()->ReadPlainText(
+                  enter.functions()->ReadData(
                       instance,
-                      static_cast<PP_Flash_Clipboard_Type>(clipboard_type)));
+                      static_cast<PP_Flash_Clipboard_Type>(clipboard_type),
+                      static_cast<PP_Flash_Clipboard_Format>(format)));
   }
 }
 
-void PPB_Flash_Clipboard_Proxy::OnMsgWritePlainText(
+void PPB_Flash_Clipboard_Proxy::OnMsgWriteData(
     PP_Instance instance,
     int clipboard_type,
-    SerializedVarReceiveInput text) {
+    SerializedVarVectorReceiveInput formats_vector,
+    SerializedVarVectorReceiveInput data_vector) {
   EnterFlashClipboardNoLock enter(instance, true);
   if (enter.succeeded()) {
-    int32_t result = enter.functions()->WritePlainText(
+    // Convert parallel arrays of PP_Var into an array of
+    // PP_Flash_Clipboard_Data_Item structs.
+    uint32_t formats_size;
+    uint32_t data_size;
+    PP_Var* formats = formats_vector.Get(dispatcher(), &formats_size);
+    PP_Var* data = data_vector.Get(dispatcher(), &data_size);
+    DCHECK(formats_size == data_size);

[viettrungluu, 2012/02/08 22:25:01]

This may as well be a CHECK, imo.

[raymes, 2012/02/09 00:20:27]

Done.

+
+    struct PP_Flash_Clipboard_Data_Item data_items[formats_size];

[viettrungluu, 2012/02/08 22:25:01]

nit: no struct

[raymes, 2012/02/09 00:20:27]

Done.

+
+    for (uint32_t i = 0; i < formats_size; ++i) {
+      data_items[i].format =
+          static_cast<PP_Flash_Clipboard_Format>(formats[i].value.as_int);
+      data_items[i].data = data[i];
+    }
+
+    int32_t result = enter.functions()->WriteData(
         instance,
         static_cast<PP_Flash_Clipboard_Type>(clipboard_type),
-        text.Get(dispatcher()));
+        data_size,
+        data_items);
     DLOG_IF(WARNING, result != PP_OK)
         << "Write to clipboard failed unexpectedly.";
     (void)result;  // Prevent warning in release mode.
   }
 }
 
 }  // namespace proxy
 }  // namespace ppapi