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      1 /*
      2  * Copyright (C) 2009 The Android Open Source Project
      3  *
      4  * Licensed under the Apache License, Version 2.0 (the "License");
      5  * you may not use this file except in compliance with the License.
      6  * You may obtain a copy of the License at
      7  *
      8  *      http://www.apache.org/licenses/LICENSE-2.0
      9  *
     10  * Unless required by applicable law or agreed to in writing, software
     11  * distributed under the License is distributed on an "AS IS" BASIS,
     12  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
     13  * See the License for the specific language governing permissions and
     14  * limitations under the License.
     15  */
     16 
     17 #ifndef ANDROID_IAUDIOPOLICYSERVICECLIENT_H
     18 #define ANDROID_IAUDIOPOLICYSERVICECLIENT_H
     19 
     20 
     21 #include <utils/RefBase.h>
     22 #include <binder/IInterface.h>
     23 #include <system/audio.h>
     24 
     25 namespace android {
     26 
     27 // ----------------------------------------------------------------------------
     28 
     29 class IAudioPolicyServiceClient : public IInterface
     30 {
     31 public:
     32     DECLARE_META_INTERFACE(AudioPolicyServiceClient);
     33 
     34     // Notifies a change of audio port configuration.
     35     virtual void onAudioPortListUpdate() = 0;
     36     // Notifies a change of audio patch configuration.
     37     virtual void onAudioPatchListUpdate() = 0;
     38     // Notifies a change in the mixing state of a specific mix in a dynamic audio policy
     39     virtual void onDynamicPolicyMixStateUpdate(String8 regId, int32_t state) = 0;
     40     // Notifies a change of audio recording configuration
     41     virtual void onRecordingConfigurationUpdate(int event, audio_session_t session,
     42             audio_source_t source,
     43             const audio_config_base_t *clientConfig,
     44             const audio_config_base_t *deviceConfig,
     45             audio_patch_handle_t patchHandle) = 0;
     46 };
     47 
     48 
     49 // ----------------------------------------------------------------------------
     50 
     51 class BnAudioPolicyServiceClient : public BnInterface<IAudioPolicyServiceClient>
     52 {
     53 public:
     54     virtual status_t    onTransact( uint32_t code,
     55                                     const Parcel& data,
     56                                     Parcel* reply,
     57                                     uint32_t flags = 0);
     58 };
     59 
     60 // ----------------------------------------------------------------------------
     61 
     62 }; // namespace android
     63 
     64 #endif // ANDROID_IAUDIOPOLICYSERVICECLIENT_H
     65