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// Copyright 2014 The Chromium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#ifndef EXTENSIONS_BROWSER_NULL_APP_SORTING_H_
#define EXTENSIONS_BROWSER_NULL_APP_SORTING_H_
#include <stddef.h>
#include "base/compiler_specific.h"
#include "base/macros.h"
#include "extensions/browser/app_sorting.h"
namespace extensions {
// An AppSorting that doesn't provide any ordering.
class NullAppSorting : public AppSorting {
public:
NullAppSorting();
~NullAppSorting() override;
// AppSorting overrides:
void FixNTPOrdinalCollisions() override;
void EnsureValidOrdinals(
const std::string& extension_id,
const syncer::StringOrdinal& suggested_page) override;
void OnExtensionMoved(const std::string& moved_extension_id,
const std::string& predecessor_extension_id,
const std::string& successor_extension_id) override;
syncer::StringOrdinal GetAppLaunchOrdinal(
const std::string& extension_id) const override;
void SetAppLaunchOrdinal(
const std::string& extension_id,
const syncer::StringOrdinal& new_app_launch_ordinal) override;
syncer::StringOrdinal CreateFirstAppLaunchOrdinal(
const syncer::StringOrdinal& page_ordinal) const override;
syncer::StringOrdinal CreateNextAppLaunchOrdinal(
const syncer::StringOrdinal& page_ordinal) const override;
syncer::StringOrdinal CreateFirstAppPageOrdinal() const override;
syncer::StringOrdinal GetNaturalAppPageOrdinal() const override;
syncer::StringOrdinal GetPageOrdinal(
const std::string& extension_id) const override;
void SetPageOrdinal(const std::string& extension_id,
const syncer::StringOrdinal& new_page_ordinal) override;
void ClearOrdinals(const std::string& extension_id) override;
int PageStringOrdinalAsInteger(
const syncer::StringOrdinal& page_ordinal) const override;
syncer::StringOrdinal PageIntegerAsStringOrdinal(size_t page_index) override;
void SetExtensionVisible(const std::string& extension_id,
bool visible) override;
private:
DISALLOW_COPY_AND_ASSIGN(NullAppSorting);
};
} // namespace extensions
#endif // EXTENSIONS_BROWSER_NULL_APP_SORTING_H_
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