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// Copyright 2012 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#ifndef CHROME_BROWSER_UI_TABS_PINNED_TAB_CODEC_H_
#define CHROME_BROWSER_UI_TABS_PINNED_TAB_CODEC_H_
#include "chrome/browser/ui/startup/startup_tab.h"
class Profile;
namespace user_prefs {
class PrefRegistrySyncable;
}
// PinnedTabCodec is used to read and write the set of pinned tabs to
// preferences. When Chrome exits the sets of pinned tabs are written to prefs.
// On startup if the user has not chosen to restore the last session the set of
// pinned tabs is opened.
//
// The entries are stored in preferences as a list of dictionaries, with each
// dictionary describing the entry.
class PinnedTabCodec {
public:
PinnedTabCodec(const PinnedTabCodec&) = delete;
PinnedTabCodec& operator=(const PinnedTabCodec&) = delete;
// Registers the preference used by this class.
static void RegisterProfilePrefs(user_prefs::PrefRegistrySyncable* registry);
// Resets the preferences state.
static void WritePinnedTabs(Profile* profile);
// Sets the preferences state from the specified tab list.
static void WritePinnedTabs(Profile* profile, const StartupTabs& tabs);
// Reads and returns the set of pinned tabs to restore from preferences.
static StartupTabs ReadPinnedTabs(Profile* profile);
private:
PinnedTabCodec();
~PinnedTabCodec();
};
#endif // CHROME_BROWSER_UI_TABS_PINNED_TAB_CODEC_H_
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