Add IPC plumbing code for FileSystem API's openFileSystem

chrome/renderer/render_view.cc

 // Copyright (c) 2010 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/renderer/render_view.h"
 
 #include <algorithm>
 #include <string>
 #include <vector>
 
@@ skipping 80 matching lines @@
 #include "third_party/skia/include/core/SkBitmap.h"
 #include "third_party/WebKit/WebKit/chromium/public/WebAccessibilityCache.h"
 #include "third_party/WebKit/WebKit/chromium/public/WebAccessibilityObject.h"
 #include "third_party/WebKit/WebKit/chromium/public/WebCString.h"
 #include "third_party/WebKit/WebKit/chromium/public/WebDataSource.h"
 #include "third_party/WebKit/WebKit/chromium/public/WebDevToolsAgent.h"
 #include "third_party/WebKit/WebKit/chromium/public/WebDocument.h"
 #include "third_party/WebKit/WebKit/chromium/public/WebDragData.h"
 #include "third_party/WebKit/WebKit/chromium/public/WebFileChooserParams.h"
 #include "third_party/WebKit/WebKit/chromium/public/WebFindOptions.h"
+#include "third_party/WebKit/WebKit/chromium/public/WebFileSystem.h"
+#include "third_party/WebKit/WebKit/chromium/public/WebFileSystemCallbacks.h"
 #include "third_party/WebKit/WebKit/chromium/public/WebFormControlElement.h"
 #include "third_party/WebKit/WebKit/chromium/public/WebFormElement.h"
 #include "third_party/WebKit/WebKit/chromium/public/WebFrame.h"
 #include "third_party/WebKit/WebKit/chromium/public/WebHistoryItem.h"
 #include "third_party/WebKit/WebKit/chromium/public/WebImage.h"
 #include "third_party/WebKit/WebKit/chromium/public/WebInputElement.h"
 #include "third_party/WebKit/WebKit/chromium/public/WebNode.h"
 #include "third_party/WebKit/WebKit/chromium/public/WebNodeList.h"
 #include "third_party/WebKit/WebKit/chromium/public/WebPageSerializer.h"
 #include "third_party/WebKit/WebKit/chromium/public/WebPlugin.h"
@@ skipping 74 matching lines @@
 using WebKit::WebCString;
 using WebKit::WebData;
 using WebKit::WebDataSource;
 using WebKit::WebDevToolsAgent;
 using WebKit::WebDocument;
 using WebKit::WebDragData;
 using WebKit::WebDragOperation;
 using WebKit::WebDragOperationsMask;
 using WebKit::WebEditingAction;
 using WebKit::WebFileChooserCompletion;
+using WebKit::WebFileSystem;
+using WebKit::WebFileSystemCallbacks;
 using WebKit::WebFindOptions;
 using WebKit::WebFormControlElement;
 using WebKit::WebFormElement;
 using WebKit::WebFrame;
 using WebKit::WebHistoryItem;
 using WebKit::WebImage;
 using WebKit::WebInputElement;
 using WebKit::WebMediaPlayer;
 using WebKit::WebMediaPlayerAction;
 using WebKit::WebMediaPlayerClient;
@@ skipping 194 matching lines @@
     // the languages CLD can detect. As a result, it'll return the invalid
     // language code for tradtional Chinese among others.
     // |LanguageCodeWithDialect| will go through ISO 639-1, ISO-639-2 and
     // 'other' tables to do the 'right' thing. In addition, it'll return zh-CN
     // for Simplified Chinese.
     language = LanguageCodeWithDialects(cld_language);
   }
   return language;
 }
 
+// Holds pending openFileSystem callbacks.
+struct RenderView::PendingOpenFileSystem {
+  explicit PendingOpenFileSystem(WebFileSystemCallbacks* c) : callbacks(c) {
+  }
+  ~PendingOpenFileSystem() {
+    if (callbacks)
+      callbacks->didFail(WebKit::WebFileErrorAbort);
+  }
+  WebFileSystemCallbacks* callbacks;
+};
+
 ///////////////////////////////////////////////////////////////////////////////
 
 int32 RenderView::next_page_id_ = 1;
 
 struct RenderView::PendingFileChooser {
   PendingFileChooser(const ViewHostMsg_RunFileChooser_Params& p,
                      WebFileChooserCompletion* c)
       : params(p),
         completion(c) {
   }
@@ skipping 354 matching lines @@
     IPC_MESSAGE_HANDLER(ViewMsg_ExecuteCode,
                         OnExecuteCode)
     IPC_MESSAGE_HANDLER(ViewMsg_CustomContextMenuAction,
                         OnCustomContextMenuAction)
     IPC_MESSAGE_HANDLER(ViewMsg_TranslatePage, OnTranslatePage)
     IPC_MESSAGE_HANDLER(ViewMsg_RevertTranslation, OnRevertTranslation)
     IPC_MESSAGE_HANDLER(ViewMsg_GetAccessibilityTree, OnGetAccessibilityTree)
     IPC_MESSAGE_HANDLER(ViewMsg_SetAccessibilityFocus, OnSetAccessibilityFocus)
     IPC_MESSAGE_HANDLER(ViewMsg_AccessibilityDoDefaultAction,
                         OnAccessibilityDoDefaultAction)
+    IPC_MESSAGE_HANDLER(ViewMsg_OpenFileSystemRequest_Complete,
+                        OnOpenFileSystemRequestComplete)
 
     // Have the super handle all other messages.
     IPC_MESSAGE_UNHANDLED(RenderWidget::OnMessageReceived(message))
   IPC_END_MESSAGE_MAP()
 }
 
 void RenderView::OnCaptureThumbnail() {
   WebFrame* main_frame = webview()->mainFrame();
   if (!main_frame)
     return;
@@ skipping 2566 matching lines @@
                                            const WebRect& selection_rect) {
   // Send the search result over to the browser process.
   Send(new ViewHostMsg_Find_Reply(routing_id_,
                                   request_id,
                                   -1,
                                   selection_rect,
                                   active_match_ordinal,
                                   false));
 }
 
+void RenderView::openFileSystem(
+    WebFrame* frame,
+    WebFileSystem::Type type,
+    long long size,
+    WebFileSystemCallbacks* callbacks) {
+  scoped_ptr<PendingOpenFileSystem> request(
+      new PendingOpenFileSystem(callbacks));
+
+  WebSecurityOrigin origin = frame->securityOrigin();
+  if (origin.isEmpty())
+    return;  // Uninitialized document?
+
+  ViewHostMsg_OpenFileSystemRequest_Params params;
+  params.routing_id = routing_id_;
+  params.request_id = pending_file_system_requests_.Add(request.release());
+  params.origin_url = GURL(origin.toString());
+  params.type = type;
+  params.requested_size = size;
+
+  Send(new ViewHostMsg_OpenFileSystemRequest(params));
+}
+
 // webkit_glue::WebPluginPageDelegate -----------------------------------------
 
 webkit_glue::WebPluginDelegate* RenderView::CreatePluginDelegate(
     const FilePath& file_path,
     const std::string& mime_type) {
   if (!PluginChannelHost::IsListening())
     return NULL;
 
   bool use_pepper_host = false;
   bool in_process_plugin = RenderProcess::current()->UseInProcessPlugins();
@@ skipping 2117 matching lines @@
     // the origins of the two domains are different. This can be treated as a
     // top level navigation and routed back to the host.
     WebKit::WebFrame* opener = frame->opener();
     if (opener) {
       if (url.GetOrigin() != GURL(opener->url()).GetOrigin())
         return true;
     }
   }
   return false;
 }
+
+void RenderView::OnOpenFileSystemRequestComplete(
+    int request_id, bool accepted, const string16& name,
+    const string16& root_path) {
+  PendingOpenFileSystem* request = pending_file_system_requests_.Lookup(
+      request_id);
+  DCHECK(request);
+  if (accepted)
+    request->callbacks->didOpenFileSystem(name, root_path);
+  else
+    request->callbacks->didFail(WebKit::WebFileErrorSecurity);
+  request->callbacks = NULL;
+  pending_file_system_requests_.Remove(request_id);
+}