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      1 /*
      2  * Copyright (C) 2015 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_HARDWARE_ICAMERASERVICEPROXY_H
     18 #define ANDROID_HARDWARE_ICAMERASERVICEPROXY_H
     19 
     20 #include <utils/RefBase.h>
     21 #include <binder/IInterface.h>
     22 #include <binder/Parcel.h>
     23 
     24 namespace android {
     25 
     26 /**
     27  * Interface from native camera service to managed-side camera service proxy.
     28  *
     29  * Keep in sync with frameworks/base/core/java/android/hardware/ICameraServiceProxy.aidl
     30  *
     31  */
     32 class ICameraServiceProxy : public IInterface {
     33 public:
     34     enum {
     35         PING_FOR_USER_UPDATE = IBinder::FIRST_CALL_TRANSACTION,
     36         NOTIFY_CAMERA_STATE
     37     };
     38 
     39     enum CameraState {
     40         CAMERA_STATE_OPEN,
     41         CAMERA_STATE_ACTIVE,
     42         CAMERA_STATE_IDLE,
     43         CAMERA_STATE_CLOSED
     44     };
     45 
     46     DECLARE_META_INTERFACE(CameraServiceProxy);
     47 
     48     virtual void pingForUserUpdate() = 0;
     49     virtual void notifyCameraState(String16 cameraId, CameraState newCameraState) = 0;
     50 };
     51 
     52 class BnCameraServiceProxy: public BnInterface<ICameraServiceProxy>
     53 {
     54 public:
     55     virtual status_t    onTransact( uint32_t code,
     56                                     const Parcel& data,
     57                                     Parcel* reply,
     58                                     uint32_t flags = 0);
     59 };
     60 
     61 
     62 
     63 }; // namespace android
     64 
     65 #endif // ANDROID_HARDWARE_ICAMERASERVICEPROXY_H
     66