Generate a file name when dragging an image to the desktop

webkit/glue/clipboard_conversion.cc

 // Copyright (c) 2008 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 "config.h"
 
 #include "webkit/glue/clipboard_conversion.h"
 
 #include "build/build_config.h"
 
 #include "ChromiumDataObject.h"
 #include "ClipboardUtilitiesChromium.h"
 #include "KURL.h"
 #include "SharedBuffer.h"
 #include <wtf/Vector.h>
 
 #include "webkit/glue/glue_util.h"
 
 namespace webkit_glue {
 
 WebDropData ChromiumDataObjectToWebDropData(
     WebCore::ChromiumDataObject* data_object) {
   WebDropData drop_data;
   drop_data.url = KURLToGURL(data_object->url);
   drop_data.url_title = StringToStdWString(data_object->urlTitle);
 
+  drop_data.file_extension = StringToStdWString(data_object->fileExtension);
+
   for (size_t i = 0; i < data_object->filenames.size(); ++i) {
     drop_data.filenames.push_back(StringToStdWString(
         data_object->filenames[i]));
   }
 
   drop_data.plain_text = StringToStdWString(data_object->plainText);
 
   drop_data.text_html = StringToStdWString(data_object->textHtml);
   drop_data.html_base_url = KURLToGURL(data_object->htmlBaseUrl);
 
   drop_data.file_description_filename = StringToStdWString(
       data_object->fileContentFilename);
   if (data_object->fileContent) {
     drop_data.file_contents.assign(data_object->fileContent->data(),
         data_object->fileContent->size());
   }
 
   return drop_data;
 }
 
 PassRefPtr<WebCore::ChromiumDataObject> WebDropDataToChromiumDataObject(
     const WebDropData& drop_data) {
   RefPtr<WebCore::ChromiumDataObject> data_object =
       WebCore::ChromiumDataObject::create();
   data_object->url = GURLToKURL(drop_data.url);
   data_object->urlTitle = StdWStringToString(drop_data.url_title);
 
+  data_object->fileExtension = StdWStringToString(drop_data.file_extension);
+
   for (size_t i = 0; i < drop_data.filenames.size(); ++i) {
     data_object->filenames.append(StdWStringToString(drop_data.filenames[i]));
   }
 
   data_object->plainText = StdWStringToString(drop_data.plain_text);
 
   data_object->textHtml = StdWStringToString(drop_data.text_html);
   data_object->htmlBaseUrl = GURLToKURL(drop_data.html_base_url);
 
   data_object->fileContentFilename = StdWStringToString(
       drop_data.file_description_filename);
   if (!drop_data.file_contents.empty()) {
     data_object->fileContent =
         WebCore::SharedBuffer::create(drop_data.file_contents.data(),
                                       drop_data.file_contents.size());
   }
 
   return data_object;
 }
 
 }  // namespace webkit_glue