/* * Copyright (C) 2015 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. */ #pragma once #include "Element.h" #include "EngineDefinition.h" #include <RoutingStrategy.h> #include <map> namespace android { namespace audio_policy { /** * @tparam routing_strategy: Applicable strategy for this stream. */ template <> class Element<audio_stream_type_t> { public: Element(const std::string &name) : mName(name), mApplicableStrategy(STRATEGY_MEDIA) {} ~Element() {} /** * Returns identifier of this policy element * * @returns string representing the name of this policy element */ const std::string &getName() const { return mName; } /** * Set the unique identifier for this policy element. * * @tparam Key type of the unique identifier. * @param[in] identifier to be set. * * @return NO_ERROR if the identifier is valid and set correctly, error code otherwise. */ status_t setIdentifier(audio_stream_type_t identifier); /** * @return the unique identifier of this policy element. */ audio_stream_type_t getIdentifier() const { return mIdentifier; } /** * A Policy element may implement getter/setter function for a given property. * Property may be routing_strategy, audio_stream_type_t, audio_usage_t, audio_source_t * or a string. */ template <typename Property> Property get() const; template <typename Property> status_t set(Property property); private: /* Copy facilities are put private to disable copy. */ Element(const Element &object); Element &operator=(const Element &object); std::string mName; /**< Unique literal Identifier of a policy base element*/ audio_stream_type_t mIdentifier; /**< Unique numerical Identifier of a policy base element*/ routing_strategy mApplicableStrategy; /**< Applicable strategy for this stream. */ audio_stream_type_t mVolumeProfile; /**< Volume Profile followed by this stream. */ }; typedef Element<audio_stream_type_t> Stream; } // namespace audio_policy } // namespace android