Add Worker support for FileSystem API.

chrome/common/file_system/webfilesystem_impl.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/common/file_system/webfilesystem_impl.h"
 
 #include "chrome/common/file_system/file_system_dispatcher.h"
+#include "chrome/common/file_system/webfilesystem_callback_dispatcher.h"
 #include "chrome/common/child_thread.h"
 #include "third_party/WebKit/WebKit/chromium/public/WebFileInfo.h"
 #include "third_party/WebKit/WebKit/chromium/public/WebFileSystemCallbacks.h"
 #include "third_party/WebKit/WebKit/chromium/public/WebString.h"
 #include "webkit/glue/webkit_glue.h"
 
 using WebKit::WebFileInfo;
 using WebKit::WebFileSystemCallbacks;
 using WebKit::WebFileSystemEntry;
 using WebKit::WebString;
 using WebKit::WebVector;
 
-namespace {
-
-WebKit::WebFileError PlatformFileErrorToWebFileError(
-    base::PlatformFileError error_code) {
-  switch (error_code) {
-    case base::PLATFORM_FILE_ERROR_NOT_FOUND:
-      return WebKit::WebFileErrorNotFound;
-    case base::PLATFORM_FILE_ERROR_INVALID_OPERATION:
-    case base::PLATFORM_FILE_ERROR_EXISTS:
-    case base::PLATFORM_FILE_ERROR_NOT_A_DIRECTORY:
-      return WebKit::WebFileErrorInvalidModification;
-    case base::PLATFORM_FILE_ERROR_ACCESS_DENIED:
-      return WebKit::WebFileErrorNoModificationAllowed;
-    case base::PLATFORM_FILE_ERROR_FAILED:
-      return WebKit::WebFileErrorInvalidState;
-    case base::PLATFORM_FILE_ERROR_ABORT:
-      return WebKit::WebFileErrorAbort;
-    default:
-      return WebKit::WebFileErrorInvalidModification;
-  }
-}
-
-class WebFileSystemCallbackDispatcherImpl
-    : public fileapi::FileSystemCallbackDispatcher {
- public:
-  explicit WebFileSystemCallbackDispatcherImpl(
-      WebFileSystemCallbacks* callbacks)
-      : callbacks_(callbacks) {
-    DCHECK(callbacks_);
-  }
-
-  virtual ~WebFileSystemCallbackDispatcherImpl() {
-  }
-
-  // FileSystemCallbackDispatcher implementation
-  virtual void DidSucceed() {
-    callbacks_->didSucceed();
-  }
-
-  virtual void DidReadMetadata(const base::PlatformFileInfo& file_info) {
-    WebFileInfo web_file_info;
-    web_file_info.modificationTime = file_info.last_modified.ToDoubleT();
-    callbacks_->didReadMetadata(web_file_info);
-  }
-
-  virtual void DidReadDirectory(
-      const std::vector<base::file_util_proxy::Entry>& entries, bool has_more) {
-    WebVector<WebFileSystemEntry> file_system_entries(entries.size());
-    for (size_t i = 0; i < entries.size(); i++) {
-      file_system_entries[i].name =
-          webkit_glue::FilePathStringToWebString(entries[i].name);
-      file_system_entries[i].isDirectory = entries[i].is_directory;
-    }
-    callbacks_->didReadDirectory(file_system_entries, has_more);
-  }
-
-  virtual void DidOpenFileSystem(const string16&, const FilePath&) {
-    NOTREACHED();
-  }
-
-  virtual void DidFail(base::PlatformFileError error_code) {
-    callbacks_->didFail(PlatformFileErrorToWebFileError(error_code));
-  }
-
- private:
-  WebFileSystemCallbacks* callbacks_;
-};
-
-} // namespace
-
 WebFileSystemImpl::WebFileSystemImpl() {
 }
 
 void WebFileSystemImpl::move(const WebString& src_path,
                              const WebString& dest_path,
                              WebFileSystemCallbacks* callbacks) {
   FileSystemDispatcher* dispatcher =
       ChildThread::current()->file_system_dispatcher();
   dispatcher->Move(webkit_glue::WebStringToFilePath(src_path),
                    webkit_glue::WebStringToFilePath(dest_path),
-                   new WebFileSystemCallbackDispatcherImpl(callbacks));
+                   new WebFileSystemCallbackDispatcher(callbacks));
 }
 
 void WebFileSystemImpl::copy(const WebString& src_path,
                              const WebString& dest_path,
                              WebFileSystemCallbacks* callbacks) {
   FileSystemDispatcher* dispatcher =
       ChildThread::current()->file_system_dispatcher();
   dispatcher->Copy(webkit_glue::WebStringToFilePath(src_path),
                    webkit_glue::WebStringToFilePath(dest_path),
-                   new WebFileSystemCallbackDispatcherImpl(callbacks));
+                   new WebFileSystemCallbackDispatcher(callbacks));
 }
 
 void WebFileSystemImpl::remove(const WebString& path,
                                WebFileSystemCallbacks* callbacks) {
   FileSystemDispatcher* dispatcher =
       ChildThread::current()->file_system_dispatcher();
   dispatcher->Remove(webkit_glue::WebStringToFilePath(path),
-                     new WebFileSystemCallbackDispatcherImpl(callbacks));
+                     new WebFileSystemCallbackDispatcher(callbacks));
 }
 
 void WebFileSystemImpl::readMetadata(const WebString& path,
                                      WebFileSystemCallbacks* callbacks) {
   FileSystemDispatcher* dispatcher =
       ChildThread::current()->file_system_dispatcher();
   dispatcher->ReadMetadata(webkit_glue::WebStringToFilePath(path),
-                           new WebFileSystemCallbackDispatcherImpl(callbacks));
+                           new WebFileSystemCallbackDispatcher(callbacks));
 }
 
 void WebFileSystemImpl::createFile(const WebString& path,
                                    bool exclusive,
                                    WebFileSystemCallbacks* callbacks) {
   FileSystemDispatcher* dispatcher =
       ChildThread::current()->file_system_dispatcher();
   dispatcher->Create(webkit_glue::WebStringToFilePath(path), exclusive, false,
-                     false, new WebFileSystemCallbackDispatcherImpl(callbacks));
+                     false, new WebFileSystemCallbackDispatcher(callbacks));
 }
 
 void WebFileSystemImpl::createDirectory(const WebString& path,
                                         bool exclusive,
                                         WebFileSystemCallbacks* callbacks) {
   FileSystemDispatcher* dispatcher =
       ChildThread::current()->file_system_dispatcher();
   dispatcher->Create(webkit_glue::WebStringToFilePath(path), exclusive, true,
-                     false, new WebFileSystemCallbackDispatcherImpl(callbacks));
+                     false, new WebFileSystemCallbackDispatcher(callbacks));
 }
 
 void WebFileSystemImpl::fileExists(const WebString& path,
                                    WebFileSystemCallbacks* callbacks) {
   FileSystemDispatcher* dispatcher =
       ChildThread::current()->file_system_dispatcher();
   dispatcher->Exists(webkit_glue::WebStringToFilePath(path), false,
-                     new WebFileSystemCallbackDispatcherImpl(callbacks));
+                     new WebFileSystemCallbackDispatcher(callbacks));
 }
 
 void WebFileSystemImpl::directoryExists(const WebString& path,
                                         WebFileSystemCallbacks* callbacks) {
   FileSystemDispatcher* dispatcher =
       ChildThread::current()->file_system_dispatcher();
   dispatcher->Exists(webkit_glue::WebStringToFilePath(path), true,
-                     new WebFileSystemCallbackDispatcherImpl(callbacks));
+                     new WebFileSystemCallbackDispatcher(callbacks));
 }
 
 void WebFileSystemImpl::readDirectory(const WebString& path,
                                       WebFileSystemCallbacks* callbacks) {
   FileSystemDispatcher* dispatcher =
       ChildThread::current()->file_system_dispatcher();
   dispatcher->ReadDirectory(webkit_glue::WebStringToFilePath(path),
-                            new WebFileSystemCallbackDispatcherImpl(callbacks));
+                            new WebFileSystemCallbackDispatcher(callbacks));
 }