SensorRecord.cpp revision eb4d628b69831d533f14c09fd63400f75e69ba76 
1/*
2 * Copyright (C) 2010 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#include "SensorRecord.h"
18
19#include "SensorEventConnection.h"
20
21namespace android {
22
23SensorService::SensorRecord::SensorRecord(
24        const sp<SensorEventConnection>& connection)
25{
26    mConnections.add(connection);
27}
28
29bool SensorService::SensorRecord::addConnection(
30        const sp<SensorEventConnection>& connection)
31{
32    if (mConnections.indexOf(connection) < 0) {
33        mConnections.add(connection);
34        return true;
35    }
36    return false;
37}
38
39bool SensorService::SensorRecord::removeConnection(
40        const wp<SensorEventConnection>& connection)
41{
42    ssize_t index = mConnections.indexOf(connection);
43    if (index >= 0) {
44        mConnections.removeItemsAt(index, 1);
45    }
46    // Remove this connections from the queue of flush() calls made on this sensor.
47    for (Vector< wp<SensorEventConnection> >::iterator it = mPendingFlushConnections.begin();
48            it != mPendingFlushConnections.end(); ) {
49        if (it->unsafe_get() == connection.unsafe_get()) {
50            it = mPendingFlushConnections.erase(it);
51        } else {
52            ++it;
53        }
54    }
55    return mConnections.size() ? false : true;
56}
57
58void SensorService::SensorRecord::addPendingFlushConnection(
59        const sp<SensorEventConnection>& connection) {
60    mPendingFlushConnections.add(connection);
61}
62
63void SensorService::SensorRecord::removeFirstPendingFlushConnection() {
64    if (mPendingFlushConnections.size() > 0) {
65        mPendingFlushConnections.removeAt(0);
66    }
67}
68
69SensorService::SensorEventConnection *
70        SensorService::SensorRecord::getFirstPendingFlushConnection() {
71    if (mPendingFlushConnections.size() > 0) {
72        return mPendingFlushConnections[0].unsafe_get();
73    }
74    return NULL;
75}
76
77void SensorService::SensorRecord::clearAllPendingFlushConnections() {
78    mPendingFlushConnections.clear();
79}
80
81} // namespace android
82