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//
// Copyright (C) 2014 The Android Open Source Project
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
//
#ifndef SHILL_SERVICE_PROPERTY_CHANGE_NOTIFIER_H_
#define SHILL_SERVICE_PROPERTY_CHANGE_NOTIFIER_H_
#include <memory>
#include <string>
#include <vector>
#include <base/callback.h>
#include <base/macros.h>
#include "shill/accessor_interface.h"
namespace shill {
class PropertyObserverInterface;
class ServiceAdaptorInterface;
// A collection of property observers used by objects to deliver
// property change notifications. This object holds an un-owned
// pointer to the ServiceAdaptor to which notifications should be
// posted. This pointer must be valid for the lifetime of this
// property change notifier.
class ServicePropertyChangeNotifier {
public:
explicit ServicePropertyChangeNotifier(ServiceAdaptorInterface* adaptor);
virtual ~ServicePropertyChangeNotifier();
virtual void AddBoolPropertyObserver(const std::string& name,
BoolAccessor accessor);
virtual void AddUint8PropertyObserver(const std::string& name,
Uint8Accessor accessor);
virtual void AddUint16PropertyObserver(const std::string& name,
Uint16Accessor accessor);
virtual void AddUint16sPropertyObserver(const std::string& name,
Uint16sAccessor accessor);
virtual void AddUintPropertyObserver(const std::string& name,
Uint32Accessor accessor);
virtual void AddIntPropertyObserver(const std::string& name,
Int32Accessor accessor);
virtual void AddRpcIdentifierPropertyObserver(const std::string& name,
RpcIdentifierAccessor accessor);
virtual void AddStringPropertyObserver(const std::string& name,
StringAccessor accessor);
virtual void AddStringmapPropertyObserver(const std::string& name,
StringmapAccessor accessor);
virtual void UpdatePropertyObservers();
private:
// Redirects templated calls to a value reference to a by-copy version.
void BoolPropertyUpdater(const std::string& name, const bool& value);
void Uint8PropertyUpdater(const std::string& name, const uint8_t& value);
void Uint16PropertyUpdater(const std::string& name, const uint16_t& value);
void Uint32PropertyUpdater(const std::string& name, const uint32_t& value);
void Int32PropertyUpdater(const std::string& name, const int32_t& value);
ServiceAdaptorInterface* rpc_adaptor_;
std::vector<std::unique_ptr<PropertyObserverInterface>> property_observers_;
DISALLOW_COPY_AND_ASSIGN(ServicePropertyChangeNotifier);
};
} // namespace shill
#endif // SHILL_SERVICE_PROPERTY_CHANGE_NOTIFIER_H_
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