CPAPI (0.11) for gears drag drop....

chrome/plugin/chrome_plugin_host.cc

-// Copyright (c) 2006-2008 The Chromium Authors. All rights reserved.
+// Copyright (c) 2006-2009 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 "chrome/plugin/chrome_plugin_host.h"
 
 #include "base/command_line.h"
 #include "base/file_path.h"
 #include "base/file_util.h"
 #include "base/message_loop.h"
 #include "base/process_util.h"
@@ skipping 332 matching lines @@
 
   WebPluginProxy* webplugin = WebPluginProxy::FromCPBrowsingContext(context);
   if (!event || !webplugin)
     return CPERR_INVALID_PARAMETER;
 
   if (webplugin->SetDropEffect(event, effect))
     return CPERR_SUCCESS;
   return CPERR_FAILURE;
 }
 
+CPError STDCALL CPB_AllowFileDrop(
+    CPID id, CPBrowsingContext context, const char* file_drag_data) {
+  CHECK(ChromePluginLib::IsPluginThread());
+
+  WebPluginProxy* webplugin = WebPluginProxy::FromCPBrowsingContext(context);
+  if (!webplugin || !file_drag_data)
+    return CPERR_INVALID_PARAMETER;
+
+  const int pid = webplugin->GetRendererProcessId();
+  if (!pid)
+    return CPERR_FAILURE;
+
+  static const char kDelimiter('\b');
+  std::vector<std::string> files;
+  SplitStringDontTrim(file_drag_data, kDelimiter, &files);
+
+  bool allowed = false;
+  if (!PluginThread::current()->Send(
+          new PluginProcessHostMsg_AccessFiles(pid, files, &allowed))) {
+    return CPERR_FAILURE;
+  }
+
+  if (allowed)
+    return CPERR_SUCCESS;
+  return CPERR_FAILURE;
+}
+
 CPError STDCALL CPB_GetCommandLineArguments(
     CPID id, CPBrowsingContext context, const char* url, char** arguments) {
   CHECK(ChromePluginLib::IsPluginThread());
   std::string arguments_str;
   CPError rv = CPB_GetCommandLineArgumentsCommon(url, &arguments_str);
   if (rv == CPERR_SUCCESS)
     *arguments = CPB_StringDup(CPB_Alloc, arguments_str);
   return rv;
 }
 
@@ skipping 265 matching lines @@
     browser_funcs.get_browsing_context_from_npp = CPB_GetBrowsingContextFromNPP;
     browser_funcs.get_browsing_context_info = CPB_GetBrowsingContextInfo;
     browser_funcs.get_command_line_arguments = CPB_GetCommandLineArguments;
     browser_funcs.add_ui_command = CPB_AddUICommand;
     browser_funcs.handle_command = CPB_HandleCommand;
     browser_funcs.send_sync_message = CPB_SendSyncMessage;
     browser_funcs.plugin_thread_async_call = CPB_PluginThreadAsyncCall;
     browser_funcs.open_file_dialog = CPB_OpenFileDialog;
     browser_funcs.get_drag_data = CPB_GetDragData;
     browser_funcs.set_drop_effect = CPB_SetDropEffect;
+    browser_funcs.allow_file_drop = CPB_AllowFileDrop;
 
     browser_funcs.request_funcs = &request_funcs;
     browser_funcs.response_funcs = &response_funcs;
 
     request_funcs.size = sizeof(request_funcs);
     request_funcs.start_request = CPR_StartRequest;
     request_funcs.end_request = CPR_EndRequest;
     request_funcs.set_extra_request_headers = CPR_SetExtraRequestHeaders;
     request_funcs.set_request_load_flags = CPR_SetRequestLoadFlags;
     request_funcs.append_data_to_upload = CPR_AppendDataToUpload;
     request_funcs.get_response_info = CPR_GetResponseInfo;
     request_funcs.read = CPR_Read;
     request_funcs.append_file_to_upload = CPR_AppendFileToUpload;
 
     response_funcs.size = sizeof(response_funcs);
     response_funcs.received_redirect = CPRR_ReceivedRedirect;
     response_funcs.start_completed = CPRR_StartCompleted;
     response_funcs.read_completed = CPRR_ReadCompleted;
     response_funcs.upload_progress = CPRR_UploadProgress;
   }
 
   return &browser_funcs;
 }