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 ACTIVITY_H_
18 
19 #define ACTIVITY_H_
20 
21 #include <hardware/activity_recognition.h>
22 #include <media/stagefright/foundation/ABase.h>
23 #include <utils/KeyedVector.h>
24 
25 #include "hubconnection.h"
26 
27 #define DEBUG_ACTIVITY_RECOGNITION  0
28 
29 struct ActivityContext {
30     activity_recognition_device_t device;
31 
32     explicit ActivityContext(const struct hw_module_t *module);
33 
34     void onActivityEvent(
35             uint64_t when_us, bool is_flush, float x, float y, float z);
36 
37     bool getHubAlive();
38 
39 private:
40     android::Mutex mLock;
41 
42     android::sp<android::HubConnection> mHubConnection;
43 
44     bool mHubAlive;
45 
46     const activity_recognition_callback_procs_t *mCallback;
47 
48     android::KeyedVector<uint64_t, int64_t> mMaxBatchReportLatencyNs;
49 
50     int mPrevActivity;
51 
52     bool mInitExitDone;
53 
54     ~ActivityContext();
55 
56     int close();
57 
58     void registerActivityCallback(
59             const activity_recognition_callback_procs_t *callback);
60 
61     bool isEnabled(uint32_t activity_handle, uint32_t event_type) const;
62 
63     int enableActivityEvent(
64             uint32_t activity_handle,
65             uint32_t event_type,
66             int64_t max_batch_report_latency_ns);
67 
68     int disableActivityEvent(uint32_t activity_handle, uint32_t event_type);
69 
70     int flush();
71 
72     int64_t calculateReportLatencyNs();
73 
74     static int CloseWrapper(struct hw_device_t *dev);
75 
76     static void RegisterActivityCallbackWrapper(
77             const struct activity_recognition_device *dev,
78             const activity_recognition_callback_procs_t *callback);
79 
80     static int EnableActivityEventWrapper(
81             const struct activity_recognition_device *dev,
82             uint32_t activity_handle,
83             uint32_t event_type,
84             int64_t max_batch_report_latency_ns);
85 
86     static int DisableActivityEventWrapper(
87             const struct activity_recognition_device *dev,
88             uint32_t activity_handle,
89             uint32_t event_type);
90 
91     static int FlushWrapper(const struct activity_recognition_device *dev);
92 
93     static void HubCallbackWrapper(
94             void *me, uint64_t time_ms, bool is_flush, float x, float y, float z);
95 
96     DISALLOW_EVIL_CONSTRUCTORS(ActivityContext);
97 };
98 
99 #endif  // ACTIVITY_H_
100 
101