Add a Content API around BrowserURLHandler.

BUG=98716
Review URL: https://chromiumcodereview.appspot.com/9688019

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@126180 0039d316-1c4b-4281-b951-d872f2087c98

1 files changed, 55 insertions, 0 deletions

diff --git a/content/browser/browser_url_handler_impl.h b/content/browser/browser_url_handler_impl.h
new file mode 100644
index 0000000..d6136a6
--- /dev/null
+++ b/content/browser/browser_url_handler_impl.h
@@ -0,0 +1,55 @@
+// Copyright (c) 2011 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 CONTENT_BROWSER_BROWSER_URL_HANDLER_IMPL_H_
+#define CONTENT_BROWSER_BROWSER_URL_HANDLER_IMPL_H_
+#pragma once
+
+#include <vector>
+#include <utility>
+
+#include "base/gtest_prod_util.h"
+#include "base/memory/singleton.h"
+#include "content/public/browser/browser_url_handler.h"
+
+class GURL;
+
+namespace content {
+class BrowserContext;
+}
+
+class CONTENT_EXPORT BrowserURLHandlerImpl : public content::BrowserURLHandler {
+ public:
+  // Returns the singleton instance.
+  static BrowserURLHandlerImpl* GetInstance();
+
+  // BrowserURLHandler implementation:
+  virtual void RewriteURLIfNecessary(GURL* url,
+                                     content::BrowserContext* browser_context,
+                                     bool* reverse_on_redirect) OVERRIDE;
+  // Add the specified handler pair to the list of URL handlers.
+  virtual void AddHandlerPair(URLHandler handler,
+                              URLHandler reverse_handler) OVERRIDE;
+
+  // Reverses the rewriting that was done for |original| using the new |url|.
+  bool ReverseURLRewrite(GURL* url, const GURL& original,
+                         content::BrowserContext* browser_context);
+
+ private:
+  // This object is a singleton:
+  BrowserURLHandlerImpl();
+  virtual ~BrowserURLHandlerImpl();
+  friend struct DefaultSingletonTraits<BrowserURLHandlerImpl>;
+
+  // The list of known URLHandlers, optionally with reverse-rewriters.
+  typedef std::pair<URLHandler, URLHandler> HandlerPair;
+  std::vector<HandlerPair> url_handlers_;
+
+  FRIEND_TEST_ALL_PREFIXES(BrowserURLHandlerImplTest, BasicRewriteAndReverse);
+  FRIEND_TEST_ALL_PREFIXES(BrowserURLHandlerImplTest, NullHandlerReverse);
+
+  DISALLOW_COPY_AND_ASSIGN(BrowserURLHandlerImpl);
+};
+
+#endif  // CONTENT_BROWSER_BROWSER_URL_HANDLER_IMPL_H_