1 files changed, 35 insertions, 0 deletions
diff --git a/chrome/browser/extensions/file_reader.cc b/chrome/browser/extensions/file_reader.cc
new file mode 100644
index 0000000..c6f19f6
--- /dev/null
+++ b/chrome/browser/extensions/file_reader.cc
@@ -0,0 +1,35 @@
+// 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/browser/extensions/file_reader.h"
+
+#include "base/file_util.h"
+#include "base/message_loop.h"
+#include "chrome/browser/chrome_thread.h"
+#include "chrome/common/extensions/extension_resource.h"
+
+FileReader::FileReader(const ExtensionResource& resource, Callback* callback)
+    : resource_(resource),
+      callback_(callback),
+      origin_loop_(MessageLoop::current()) {
+  DCHECK(callback_);
+}
+
+void FileReader::Start() {
+  ChromeThread::PostTask(
+      ChromeThread::FILE, FROM_HERE,
+      NewRunnableMethod(this, &FileReader::ReadFileOnBackgroundThread));
+}
+
+void FileReader::ReadFileOnBackgroundThread() {
+  std::string data;
+  bool success = file_util::ReadFileToString(resource_.GetFilePath(), &data);
+  origin_loop_->PostTask(FROM_HERE, NewRunnableMethod(
+      this, &FileReader::RunCallback, success, data));
+}
+
+void FileReader::RunCallback(bool success, const std::string& data) {
+  callback_->Run(success, data);
+  delete callback_;
+}