1 files changed, 51 insertions, 0 deletions
diff --git a/content/child/fileapi/webfilewriter_impl.cc b/content/child/fileapi/webfilewriter_impl.cc
new file mode 100644
index 0000000..dc37c99
--- /dev/null
+++ b/content/child/fileapi/webfilewriter_impl.cc
@@ -0,0 +1,51 @@
+// Copyright 2013 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/child/fileapi/webfilewriter_impl.h"
+
+#include "base/bind.h"
+#include "content/common/child_thread.h"
+#include "content/common/fileapi/file_system_dispatcher.h"
+
+namespace content {
+
+namespace {
+
+inline FileSystemDispatcher* GetFileSystemDispatcher() {
+  return ChildThread::current()->file_system_dispatcher();
+}
+
+}  // namespace
+
+WebFileWriterImpl::WebFileWriterImpl(
+     const GURL& path, WebKit::WebFileWriterClient* client)
+  : WebFileWriterBase(path, client),
+    request_id_(0) {
+}
+
+WebFileWriterImpl::~WebFileWriterImpl() {
+}
+
+void WebFileWriterImpl::DoTruncate(const GURL& path, int64 offset) {
+  // The FileSystemDispatcher takes ownership of the CallbackDispatcher.
+  GetFileSystemDispatcher()->Truncate(
+      path, offset, &request_id_,
+      base::Bind(&WebFileWriterImpl::DidFinish, AsWeakPtr()));
+}
+
+void WebFileWriterImpl::DoWrite(
+    const GURL& path, const GURL& blob_url, int64 offset) {
+  GetFileSystemDispatcher()->Write(
+      path, blob_url, offset, &request_id_,
+      base::Bind(&WebFileWriterImpl::DidWrite, AsWeakPtr()),
+      base::Bind(&WebFileWriterImpl::DidFinish, AsWeakPtr()));
+}
+
+void WebFileWriterImpl::DoCancel() {
+  GetFileSystemDispatcher()->Cancel(
+      request_id_,
+      base::Bind(&WebFileWriterImpl::DidFinish, AsWeakPtr()));
+}
+
+}  // namespace content