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// Copyright (c) 2012 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_
#include <utility>
#include <vector>
#include "base/gtest_prod_util.h"
#include "base/macros.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 BrowserURLHandler {
public:
// Returns the singleton instance.
static BrowserURLHandlerImpl* GetInstance();
// BrowserURLHandler implementation:
void RewriteURLIfNecessary(GURL* url,
BrowserContext* browser_context,
bool* reverse_on_redirect) override;
void SetFixupHandler(URLHandler handler) override;
// Add the specified handler pair to the list of URL handlers.
void AddHandlerPair(URLHandler handler, URLHandler reverse_handler) override;
// Fixes up the URL before rewriting occurs.
void FixupURLBeforeRewrite(GURL* url, BrowserContext* browser_context);
// Reverses the rewriting that was done for |original| using the new |url|.
bool ReverseURLRewrite(GURL* url, const GURL& original,
BrowserContext* browser_context);
private:
// This object is a singleton:
BrowserURLHandlerImpl();
~BrowserURLHandlerImpl() override;
friend struct base::DefaultSingletonTraits<BrowserURLHandlerImpl>;
// A URLHandler to run in a preliminary phase, before rewriting is done.
URLHandler fixup_handler_;
// 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);
FRIEND_TEST_ALL_PREFIXES(BrowserURLHandlerImplTest, ViewSourceReverse);
DISALLOW_COPY_AND_ASSIGN(BrowserURLHandlerImpl);
};
} // namespace content
#endif // CONTENT_BROWSER_BROWSER_URL_HANDLER_IMPL_H_
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