Add WebFileSystemImpl and 2nd cut of IPC plumbing code for Move operation.

Plumbing code for the remaining operations (Copy, Remove etc) will come later in a separate patch once this one becomes to look good.

BUG=32277
TESTS=none, will be added later

Review URL: http://codereview.chromium.org/3165040

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@57365 0039d316-1c4b-4281-b951-d872f2087c98

1 files changed, 48 insertions, 0 deletions

diff --git a/chrome/common/file_system/file_system_dispatcher.h b/chrome/common/file_system/file_system_dispatcher.h
new file mode 100644
index 0000000..5c854c2
--- /dev/null
+++ b/chrome/common/file_system/file_system_dispatcher.h
@@ -0,0 +1,48 @@
+// 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.
+
+#ifndef CHROME_COMMON_FILE_SYSTEM_FILE_SYSTEM_DISPATCHER_H_
+#define CHROME_COMMON_FILE_SYSTEM_FILE_SYSTEM_DISPATCHER_H_
+
+#include <vector>
+
+#include "base/basictypes.h"
+#include "base/id_map.h"
+#include "base/nullable_string16.h"
+#include "googleurl/src/gurl.h"
+#include "ipc/ipc_channel.h"
+#include "ipc/ipc_message.h"
+
+namespace WebKit {
+class WebFileSystemCallbacks;
+}
+
+// Dispatches and sends file system related messages sent to/from a child
+// process from/to the main browser process.  There is one instance
+// per child process.  Messages are dispatched on the main child thread.
+class FileSystemDispatcher {
+ public:
+  FileSystemDispatcher();
+  ~FileSystemDispatcher();
+
+  bool OnMessageReceived(const IPC::Message& msg);
+
+  void Move(
+      const string16& src_path,
+      const string16& dest_path,
+      WebKit::WebFileSystemCallbacks* callbacks);
+
+  // TODO(kinuko): add more implementation.
+
+ private:
+  void DidSucceed(int32 callbacks_id);
+  void DidFail(int32 callbacks_id, int code);
+  // TODO(kinuko): add more callbacks.
+
+  IDMap<WebKit::WebFileSystemCallbacks> callbacks_;
+
+  DISALLOW_COPY_AND_ASSIGN(FileSystemDispatcher);
+};
+
+#endif  // CHROME_COMMON_FILE_SYSTEM_FILE_SYSTEM_DISPATCHER_H_