extensions/browser/null_app_sorting.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 EXTENSIONS_BROWSER_NULL_APP_SORTING_H_
   6 #define EXTENSIONS_BROWSER_NULL_APP_SORTING_H_
   7
   8 #include "base/compiler_specific.h"
   9 #include "base/macros.h"
  10 #include "extensions/browser/app_sorting.h"
  11
  12 namespace extensions {
  13
  14 // An AppSorting that doesn't provide any ordering.
  15 class NullAppSorting : public AppSorting {
  16  public:
  17   NullAppSorting();
  18   ~NullAppSorting() override;
  19
  20   // AppSorting overrides:
  21   void FixNTPOrdinalCollisions() override;
  22   void EnsureValidOrdinals(
  23       const std::string& extension_id,
  24       const syncer::StringOrdinal& suggested_page) override;
  25   void OnExtensionMoved(const std::string& moved_extension_id,
  26                         const std::string& predecessor_extension_id,
  27                         const std::string& successor_extension_id) override;
  28   syncer::StringOrdinal GetAppLaunchOrdinal(
  29       const std::string& extension_id) const override;
  30   void SetAppLaunchOrdinal(
  31       const std::string& extension_id,
  32       const syncer::StringOrdinal& new_app_launch_ordinal) override;
  33   syncer::StringOrdinal CreateFirstAppLaunchOrdinal(
  34       const syncer::StringOrdinal& page_ordinal) const override;
  35   syncer::StringOrdinal CreateNextAppLaunchOrdinal(
  36       const syncer::StringOrdinal& page_ordinal) const override;
  37   syncer::StringOrdinal CreateFirstAppPageOrdinal() const override;
  38   syncer::StringOrdinal GetNaturalAppPageOrdinal() const override;
  39   syncer::StringOrdinal GetPageOrdinal(
  40       const std::string& extension_id) const override;
  41   void SetPageOrdinal(const std::string& extension_id,
  42                       const syncer::StringOrdinal& new_page_ordinal) override;
  43   void ClearOrdinals(const std::string& extension_id) override;
  44   int PageStringOrdinalAsInteger(
  45       const syncer::StringOrdinal& page_ordinal) const override;
  46   syncer::StringOrdinal PageIntegerAsStringOrdinal(size_t page_index) override;
  47   void SetExtensionVisible(const std::string& extension_id,
  48                            bool visible) override;
  49
  50  private:
  51   DISALLOW_COPY_AND_ASSIGN(NullAppSorting);
  52 };
  53
  54 }  // namespace extensions
  55
  56 #endif  // EXTENSIONS_BROWSER_NULL_APP_SORTING_H_