components/sessions/content/content_serialized_navigation_builder.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_BUILDER_H_
   6 #define COMPONENTS_SESSIONS_CONTENT_CONTENT_SERIALIZED_NAVIGATION_BUILDER_H_
   7
   8 #include <vector>
   9
  10 #include "base/memory/scoped_ptr.h"
  11 #include "base/memory/scoped_vector.h"
  12 #include "components/sessions/sessions_export.h"
  13
  14 namespace content {
  15 class BrowserContext;
  16 class NavigationEntry;
  17 }
  18
  19 namespace sessions {
  20 class SerializedNavigationEntry;
  21
  22 // Provides methods to convert between SerializedNavigationEntry and content
  23 // classes.
  24 class SESSIONS_EXPORT ContentSerializedNavigationBuilder {
  25  public:
  26   // Construct a SerializedNavigationEntry for a particular index from the given
  27   // NavigationEntry.
  28   static SerializedNavigationEntry FromNavigationEntry(
  29       int index,
  30       const content::NavigationEntry& entry);
  31
  32   // Convert the given SerializedNavigationEntry into a NavigationEntry with the
  33   // given page ID and context.  The NavigationEntry will have a transition type
  34   // of PAGE_TRANSITION_RELOAD and a new unique ID.
  35   static scoped_ptr<content::NavigationEntry> ToNavigationEntry(
  36       const SerializedNavigationEntry* navigation,
  37       int page_id,
  38       content::BrowserContext* browser_context);
  39
  40   // Converts a set of SerializedNavigationEntrys into a list of
  41   // NavigationEntrys with sequential page IDs and the given context.
  42   static ScopedVector<content::NavigationEntry> ToNavigationEntries(
  43       const std::vector<SerializedNavigationEntry>& navigations,
  44       content::BrowserContext* browser_context);
  45 };
  46
  47 }  // namespace sessions
  48
  49 #endif  // COMPONENTS_SESSIONS_CONTENT_CONTENT_SERIALIZED_NAVIGATION_BUILDER_H_