components/sessions/content/content_serialized_navigation_driver.h

   1 // Copyright 2014 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 COMPONENTS_SESSIONS_CONTENT_CONTENT_SERIALIZED_NAVIGATION_DRIVER_H_
   6 #define COMPONENTS_SESSIONS_CONTENT_CONTENT_SERIALIZED_NAVIGATION_DRIVER_H_
   7
   8 #include "components/sessions/core/serialized_navigation_driver.h"
   9
  10 #include "components/sessions/sessions_export.h"
  11
  12 namespace base {
  13 template <typename T> struct DefaultSingletonTraits;
  14 }
  15
  16 namespace sessions {
  17
  18 // Provides an implementation of SerializedNavigationDriver that is backed by
  19 // content classes.
  20 class SESSIONS_EXPORT_PRIVATE ContentSerializedNavigationDriver
  21     : public SerializedNavigationDriver {
  22  public:
  23   ~ContentSerializedNavigationDriver() override;
  24
  25   // Returns the singleton ContentSerializedNavigationDriver.  Almost all
  26   // callers should use SerializedNavigationDriver::Get() instead.
  27   static ContentSerializedNavigationDriver* GetInstance();
  28
  29   // SerializedNavigationDriver implementation.
  30   int GetDefaultReferrerPolicy() const override;
  31   bool MapReferrerPolicyToOldValues(int referrer_policy,
  32                                     int* mapped_referrer_policy) const override;
  33   bool MapReferrerPolicyToNewValues(int referrer_policy,
  34                                     int* mapped_referrer_policy) const override;
  35   std::string GetSanitizedPageStateForPickle(
  36       const SerializedNavigationEntry* navigation) const override;
  37   void Sanitize(SerializedNavigationEntry* navigation) const override;
  38   std::string StripReferrerFromPageState(
  39       const std::string& page_state) const override;
  40
  41  private:
  42   ContentSerializedNavigationDriver();
  43   friend struct base::DefaultSingletonTraits<ContentSerializedNavigationDriver>;
  44 };
  45
  46 }  // namespace sessions
  47
  48 #endif  // COMPONENTS_SESSIONS_CONTENT_CONTENT_SERIALIZED_NAVIGATION_DRIVER_H_