1 /*
2  * Copyright (C) 2013 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_PHOTOGRAPHY_CALLBACKS_H
18 #define ANDROID_HARDWARE_PHOTOGRAPHY_CALLBACKS_H
19 
20 #include <utils/RefBase.h>
21 #include <binder/IInterface.h>
22 #include <binder/Parcel.h>
23 #include <binder/IMemory.h>
24 #include <utils/Timers.h>
25 #include <system/camera.h>
26 
27 #include <camera/CaptureResult.h>
28 
29 namespace android {
30 class CameraMetadata;
31 
32 
33 class ICameraDeviceCallbacks : public IInterface
34 {
35     /**
36      * Keep up-to-date with ICameraDeviceCallbacks.aidl in frameworks/base
37      */
38 public:
39     DECLARE_META_INTERFACE(CameraDeviceCallbacks);
40 
41     /**
42      * Error codes for CAMERA_MSG_ERROR
43      */
44     enum CameraErrorCode {
45         ERROR_CAMERA_INVALID_ERROR = -1, // To indicate all invalid error codes
46         ERROR_CAMERA_DISCONNECTED = 0,
47         ERROR_CAMERA_DEVICE = 1,
48         ERROR_CAMERA_SERVICE = 2,
49         ERROR_CAMERA_REQUEST = 3,
50         ERROR_CAMERA_RESULT = 4,
51         ERROR_CAMERA_BUFFER = 5,
52     };
53 
54     // One way
55     virtual void            onDeviceError(CameraErrorCode errorCode,
56                                           const CaptureResultExtras& resultExtras) = 0;
57 
58     // One way
59     virtual void            onDeviceIdle() = 0;
60 
61     // One way
62     virtual void            onCaptureStarted(const CaptureResultExtras& resultExtras,
63                                              int64_t timestamp) = 0;
64 
65     // One way
66     virtual void            onResultReceived(const CameraMetadata& metadata,
67                                              const CaptureResultExtras& resultExtras) = 0;
68 
69     // One way
70     virtual void            onPrepared(int streamId) = 0;
71 };
72 
73 // ----------------------------------------------------------------------------
74 
75 class BnCameraDeviceCallbacks : public BnInterface<ICameraDeviceCallbacks>
76 {
77 public:
78     virtual status_t    onTransact( uint32_t code,
79                                     const Parcel& data,
80                                     Parcel* reply,
81                                     uint32_t flags = 0);
82 };
83 
84 }; // namespace android
85 
86 #endif
87