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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 COMPONENTS_INVALIDATION_TICL_SETTINGS_PROVIDER_H_
#define COMPONENTS_INVALIDATION_TICL_SETTINGS_PROVIDER_H_
#include "base/macros.h"
#include "base/observer_list.h"
namespace invalidation {
// Provides configuration settings to TiclInvalidationService and notifies it
// when the settings change.
class TiclSettingsProvider {
public:
class Observer {
public:
virtual void OnUseGCMChannelChanged() = 0;
protected:
virtual ~Observer();
};
TiclSettingsProvider();
virtual ~TiclSettingsProvider();
virtual bool UseGCMChannel() const = 0;
void AddObserver(Observer* observer);
void RemoveObserver(Observer* observer);
protected:
void FireOnUseGCMChannelChanged();
private:
ObserverList<Observer, true> observers_;
DISALLOW_COPY_AND_ASSIGN(TiclSettingsProvider);
};
} // namespace invalidation
#endif // COMPONENTS_INVALIDATION_TICL_SETTINGS_PROVIDER_H_
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