ios/web/browser_url_rewriter_impl.h

   1 // Copyright 2015 The Chromium Authors. All rights reserved.
   2 // Use of this source code is governed by a BSD-style license that can be
   3 // found in the LICENSE file.
   4
   5 #ifndef IOS_WEB_BROWSER_URL_REWRITER_IMPL_H_
   6 #define IOS_WEB_BROWSER_URL_REWRITER_IMPL_H_
   7
   8 #include <vector>
   9
  10 #include "base/memory/singleton.h"
  11 #include "ios/web/public/browser_url_rewriter.h"
  12
  13 class GURL;
  14
  15 namespace web {
  16
  17 // Concrete subclass of web::BrowserURLRewriter.  Stores added URLRewriters in a
  18 // vector and performs URL rewrites if necessary.
  19 class BrowserURLRewriterImpl : public BrowserURLRewriter {
  20  public:
  21   // Returns the singleton instance.
  22   static BrowserURLRewriterImpl* GetInstance();
  23
  24   // BrowserURLRewriter implementation:
  25   bool RewriteURLIfNecessary(GURL* url, BrowserState* browser_state) override;
  26   void AddURLRewriter(URLRewriter rewriter) override;
  27
  28  private:
  29   // This object is a singleton:
  30   BrowserURLRewriterImpl();
  31   ~BrowserURLRewriterImpl() override;
  32   friend struct base::DefaultSingletonTraits<BrowserURLRewriterImpl>;
  33
  34   // The list of known URLRewriters.
  35   std::vector<URLRewriter> url_rewriters_;
  36
  37   DISALLOW_COPY_AND_ASSIGN(BrowserURLRewriterImpl);
  38 };
  39
  40 }  // namespace web
  41
  42 #endif  // IOS_WEB_BROWSER_URL_REWRITER_IMPL_H_