Add a path for a web page to request the enumeration of a directory. This, t...

content/renderer/render_view.cc

Index: content/renderer/render_view.cc
===================================================================
--- content/renderer/render_view.cc	(revision 79702)
+++ content/renderer/render_view.cc	(working copy)
@@ -1025,6 +1025,8 @@
     IPC_MESSAGE_HANDLER(ViewMsg_InstallMissingPlugin, OnInstallMissingPlugin)
     IPC_MESSAGE_HANDLER(ViewMsg_DisplayPrerenderedPage,
                         OnDisplayPrerenderedPage)
+    IPC_MESSAGE_HANDLER(ViewMsg_EnumerateDirectoryResponse,
+                        OnEnumerateDirectoryResponse)
     IPC_MESSAGE_HANDLER(ViewMsg_RunFileChooserResponse, OnFileChooserResponse)
     IPC_MESSAGE_HANDLER(ViewMsg_EnableViewSourceMode, OnEnableViewSourceMode)
     IPC_MESSAGE_HANDLER(ViewMsg_GetAllSavableResourceLinksForCurrentPage,
@@ -2313,6 +2315,17 @@
   return ScheduleFileChooser(ipc_params, chooser_completion);
 }
 
+bool RenderView::enumerateDirectory(
+    const WebString& path,
+    WebFileChooserCompletion* chooser_completion) {
+  int id = enumeration_completion_id_++;
+  enumeration_completions_[id] = chooser_completion;
+  return Send(new ViewHostMsg_EnumerateDirectory(
+      routing_id_,
+      id,
+      webkit_glue::WebStringToFilePath(path)));
+}
+
 void RenderView::runModalAlertDialog(
     WebFrame* frame, const WebString& message) {
   RunJavaScriptMessage(ui::MessageBoxFlags::kIsJavascriptAlert,
@@ -4457,6 +4470,20 @@
   }
 }
 
+void RenderView::OnEnumerateDirectoryResponse(
+    int id,
+    const std::vector<FilePath>& paths) {
+  if (!enumeration_completions_[id])
+    return;
+
+  WebVector<WebString> ws_file_names(paths.size());
+  for (size_t i = 0; i < paths.size(); ++i)
+    ws_file_names[i] = webkit_glue::FilePathToWebString(paths[i]);
+
+  enumeration_completions_[id]->didChooseFile(ws_file_names);
+  enumeration_completions_.erase(id);
+}
+
 void RenderView::OnFileChooserResponse(const std::vector<FilePath>& paths) {
   // This could happen if we navigated to a different page before the user
   // closed the chooser.