1 files changed, 69 insertions, 0 deletions
diff --git a/chrome/browser/search/local_files_ntp_source.cc b/chrome/browser/search/local_files_ntp_source.cc
new file mode 100644
index 0000000..cb017d9
--- /dev/null
+++ b/chrome/browser/search/local_files_ntp_source.cc
@@ -0,0 +1,69 @@
+// 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 "chrome/browser/search/local_files_ntp_source.h"
+
+#include "base/bind.h"
+#include "base/files/file_path.h"
+#include "base/files/file_util.h"
+#include "base/location.h"
+#include "base/memory/ref_counted_memory.h"
+#include "base/memory/scoped_ptr.h"
+#include "base/path_service.h"
+#include "base/strings/string_util.h"
+#include "base/threading/thread_restrictions.h"
+#include "chrome/common/url_constants.h"
+#include "content/public/browser/browser_thread.h"
+#include "content/public/browser/url_data_source.h"
+
+namespace {
+
+const char kBasePath[] = "chrome/browser/resources/local_ntp";
+
+void CallbackWithLoadedResource(
+    const std::string& origin,
+    const content::URLDataSource::GotDataCallback& callback,
+    const std::string& content) {
+  std::string output = content;
+  if (!origin.empty())
+    base::ReplaceFirstSubstringAfterOffset(&output, 0, "{{ORIGIN}}", origin);
+
+  scoped_refptr<base::RefCountedString> response(
+      base::RefCountedString::TakeString(&output));
+  callback.Run(response.get());
+}
+
+// Read a file to a string and return.
+std::string ReadFileAndReturn(const base::FilePath& path) {
+  std::string data;
+  // This call can fail, but it doesn't matter for our purposes. If it fails,
+  // we simply return an empty string.
+  base::ReadFileToString(path, &data);
+  return data;
+}
+
+}  // namespace
+
+namespace local_ntp {
+
+void SendLocalFileResource(
+    const std::string& path,
+    const content::URLDataSource::GotDataCallback& callback) {
+  SendLocalFileResourceWithOrigin(path, std::string(), callback);
+}
+
+void SendLocalFileResourceWithOrigin(
+    const std::string& path,
+    const std::string& origin,
+    const content::URLDataSource::GotDataCallback& callback) {
+  base::FilePath fullpath;
+  PathService::Get(base::DIR_SOURCE_ROOT, &fullpath);
+  fullpath = fullpath.AppendASCII(kBasePath).AppendASCII(path);
+  base::PostTaskAndReplyWithResult(
+      content::BrowserThread::GetBlockingPool(), FROM_HERE,
+      base::Bind(&ReadFileAndReturn, fullpath),
+      base::Bind(&CallbackWithLoadedResource, origin, callback));
+}
+
+}  // namespace local_ntp