soundtrigger/ISoundTriggerClient.cpp

   1 /*
   2 **
   3 ** Copyright 2014, The Android Open Source Project
   4 **
   5 ** Licensed under the Apache License, Version 2.0 (the "License");
   6 ** you may not use this file except in compliance with the License.
   7 ** You may obtain a copy of the License at
   8 **
   9 **     http://www.apache.org/licenses/LICENSE-2.0
  10 **
  11 ** Unless required by applicable law or agreed to in writing, software
  12 ** distributed under the License is distributed on an "AS IS" BASIS,
  13 ** WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
  14 ** See the License for the specific language governing permissions and
  15 ** limitations under the License.
  16 */
  17
  18 #include <stdint.h>
  19 #include <sys/types.h>
  20 #include <binder/IMemory.h>
  21 #include <binder/Parcel.h>
  22 #include <binder/IPCThreadState.h>
  23 #include <binder/IServiceManager.h>
  24 #include <soundtrigger/ISoundTriggerClient.h>
  25
  26 namespace android {
  27
  28 enum {
  29     ON_RECOGNITION_EVENT = IBinder::FIRST_CALL_TRANSACTION,
  30     ON_SOUNDMODEL_EVENT,
  31     ON_SERVICE_STATE_CHANGE
  32 };
  33
  34 class BpSoundTriggerClient: public BpInterface<ISoundTriggerClient>
  35 {
  36
  37 public:
  38     BpSoundTriggerClient(const sp<IBinder>& impl)
  39         : BpInterface<ISoundTriggerClient>(impl)
  40     {
  41     }
  42
  43     virtual void onRecognitionEvent(const sp<IMemory>& eventMemory)
  44     {
  45         Parcel data, reply;
  46         data.writeInterfaceToken(ISoundTriggerClient::getInterfaceDescriptor());
  47         data.writeStrongBinder(eventMemory->asBinder());
  48         remote()->transact(ON_RECOGNITION_EVENT,
  49                            data,
  50                            &reply);
  51     }
  52
  53     virtual void onSoundModelEvent(const sp<IMemory>& eventMemory)
  54     {
  55         Parcel data, reply;
  56         data.writeInterfaceToken(ISoundTriggerClient::getInterfaceDescriptor());
  57         data.writeStrongBinder(eventMemory->asBinder());
  58         remote()->transact(ON_SOUNDMODEL_EVENT,
  59                            data,
  60                            &reply);
  61     }
  62     virtual void onServiceStateChange(const sp<IMemory>& eventMemory)
  63     {
  64         Parcel data, reply;
  65         data.writeInterfaceToken(ISoundTriggerClient::getInterfaceDescriptor());
  66         data.writeStrongBinder(eventMemory->asBinder());
  67         remote()->transact(ON_SERVICE_STATE_CHANGE,
  68                            data,
  69                            &reply);
  70     }
  71 };
  72
  73 IMPLEMENT_META_INTERFACE(SoundTriggerClient,
  74                          "android.hardware.ISoundTriggerClient");
  75
  76 // ----------------------------------------------------------------------
  77
  78 status_t BnSoundTriggerClient::onTransact(
  79     uint32_t code, const Parcel& data, Parcel* reply, uint32_t flags)
  80 {
  81     switch(code) {
  82         case ON_RECOGNITION_EVENT: {
  83             CHECK_INTERFACE(ISoundTriggerClient, data, reply);
  84             sp<IMemory> eventMemory = interface_cast<IMemory>(
  85                 data.readStrongBinder());
  86             onRecognitionEvent(eventMemory);
  87             return NO_ERROR;
  88         } break;
  89         case ON_SOUNDMODEL_EVENT: {
  90             CHECK_INTERFACE(ISoundTriggerClient, data, reply);
  91             sp<IMemory> eventMemory = interface_cast<IMemory>(
  92                 data.readStrongBinder());
  93             onSoundModelEvent(eventMemory);
  94             return NO_ERROR;
  95         } break;
  96         case ON_SERVICE_STATE_CHANGE: {
  97             CHECK_INTERFACE(ISoundTriggerClient, data, reply);
  98             sp<IMemory> eventMemory = interface_cast<IMemory>(
  99                 data.readStrongBinder());
 100             onServiceStateChange(eventMemory);
 101             return NO_ERROR;
 102         } break;
 103         default:
 104             return BBinder::onTransact(code, data, reply, flags);
 105     }
 106 }
 107
 108 // ----------------------------------------------------------------------------
 109
 110 }; // namespace android