Add FileUtilities::GetFileInfo() to capture file metadata with single IPC

content/renderer/renderer_webkitplatformsupport_impl.cc

 // Copyright (c) 2012 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 "content/renderer/renderer_webkitplatformsupport_impl.h"
 
 #include "base/command_line.h"
 #include "base/file_path.h"
 #include "base/file_util.h"
 #include "base/platform_file.h"
@@ skipping 16 matching lines @@
 #include "content/renderer/media/audio_device.h"
 #include "content/renderer/media/audio_hardware.h"
 #include "content/renderer/media/renderer_webaudiodevice_impl.h"
 #include "content/renderer/render_thread_impl.h"
 #include "content/renderer/render_view_impl.h"
 #include "content/renderer/renderer_clipboard_client.h"
 #include "content/renderer/websharedworkerrepository_impl.h"
 #include "googleurl/src/gurl.h"
 #include "ipc/ipc_sync_message_filter.h"
 #include "third_party/WebKit/Source/WebKit/chromium/public/platform/WebBlobRegistry.h"
+#include "third_party/WebKit/Source/WebKit/chromium/public/WebFileInfo.h"
 #include "third_party/WebKit/Source/WebKit/chromium/public/WebFrame.h"
 #include "third_party/WebKit/Source/WebKit/chromium/public/platform/WebGamepads.h"
 #include "third_party/WebKit/Source/WebKit/chromium/public/WebIDBFactory.h"
 #include "third_party/WebKit/Source/WebKit/chromium/public/WebIDBKey.h"
 #include "third_party/WebKit/Source/WebKit/chromium/public/WebIDBKeyPath.h"
 #include "third_party/WebKit/Source/WebKit/chromium/public/platform/WebMediaStreamCenter.h"
 #include "third_party/WebKit/Source/WebKit/chromium/public/platform/WebMediaStreamCenterClient.h"
 #include "third_party/WebKit/Source/WebKit/chromium/public/platform/WebPeerConnectionHandler.h"
 #include "third_party/WebKit/Source/WebKit/chromium/public/platform/WebPeerConnectionHandlerClient.h"
 #include "third_party/WebKit/Source/WebKit/chromium/public/WebRuntimeFeatures.h"
@@ skipping 25 matching lines @@
 #include "third_party/WebKit/Source/WebKit/chromium/public/platform/linux/WebFontFamily.h"
 #include "third_party/WebKit/Source/WebKit/chromium/public/platform/linux/WebSandboxSupport.h"
 #endif
 
 #if defined(OS_POSIX)
 #include "base/file_descriptor_posix.h"
 #endif
 
 using WebKit::WebAudioDevice;
 using WebKit::WebBlobRegistry;
+using WebKit::WebFileInfo;
 using WebKit::WebFileSystem;
 using WebKit::WebFrame;
 using WebKit::WebGamepads;
 using WebKit::WebIDBFactory;
 using WebKit::WebIDBKey;
 using WebKit::WebIDBKeyPath;
 using WebKit::WebKitPlatformSupport;
 using WebKit::WebMediaStreamCenter;
 using WebKit::WebMediaStreamCenterClient;
 using WebKit::WebPeerConnection00Handler;
@@ skipping 16 matching lines @@
   virtual WebKit::WebString preferredExtensionForMIMEType(
       const WebKit::WebString&);
 };
 
 class RendererWebKitPlatformSupportImpl::FileUtilities
     : public webkit_glue::WebFileUtilitiesImpl {
  public:
   virtual bool getFileSize(const WebKit::WebString& path, long long& result);
   virtual bool getFileModificationTime(const WebKit::WebString& path,
                                        double& result);
+  virtual bool getFileInfo(const WebString& path, WebFileInfo& result);
   virtual base::PlatformFile openFile(const WebKit::WebString& path,
                                       int mode);
 };
 
 #if defined(OS_ANDROID)
 // WebKit doesn't use WebSandboxSupport on android so we don't need to
 // implement anything here.
 class RendererWebKitPlatformSupportImpl::SandboxSupport {
 };
 #else
@@ skipping 297 matching lines @@
   if (SendSyncMessageFromAnyThread(new FileUtilitiesMsg_GetFileModificationTime(
           webkit_glue::WebStringToFilePath(path), &time))) {
     result = time.ToDoubleT();
     return !time.is_null();
   }
 
   result = 0;
   return false;
 }
 
+bool RendererWebKitPlatformSupportImpl::FileUtilities::getFileInfo(
+    const WebString& path,
+    WebFileInfo& web_file_info) {
+  base::PlatformFileInfo file_info;
+  base::PlatformFileError status;
+  if (!SendSyncMessageFromAnyThread(new FileUtilitiesMsg_GetFileInfo(
+           webkit_glue::WebStringToFilePath(path), &file_info, &status)) ||
+      status != base::PLATFORM_FILE_OK) {
+    return false;
+  }
+  webkit_glue::PlatformFileInfoToWebFileInfo(file_info, &web_file_info);
+  web_file_info.platformPath = path;
+  return true;
+}
+
 base::PlatformFile RendererWebKitPlatformSupportImpl::FileUtilities::openFile(
     const WebString& path,
     int mode) {
   IPC::PlatformFileForTransit handle = IPC::InvalidPlatformFileForTransit();
   SendSyncMessageFromAnyThread(new FileUtilitiesMsg_OpenFile(
       webkit_glue::WebStringToFilePath(path), mode, &handle));
   return IPC::PlatformFileForTransitToPlatformFile(handle);
 }
 
 //------------------------------------------------------------------------------
@@ skipping 270 matching lines @@
   DCHECK(render_thread);
   if (!render_thread)
     return NULL;
   return render_thread->CreateMediaStreamCenter(client);
 }
 
 GpuChannelHostFactory*
 RendererWebKitPlatformSupportImpl::GetGpuChannelHostFactory() {
   return RenderThreadImpl::current();
 }