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