IBatteryPropertiesRegistrar.cpp revision 87bf0d97be5ef2689546b246dfb6c21c4eec3ce0 
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#define LOG_TAG "IBatteryPropertiesRegistrar"
18//#define LOG_NDEBUG 0
19#include <utils/Log.h>
20
21#include <batteryservice/IBatteryPropertiesListener.h>
22#include <batteryservice/IBatteryPropertiesRegistrar.h>
23#include <stdint.h>
24#include <sys/types.h>
25#include <binder/Parcel.h>
26
27namespace android {
28
29class BpBatteryPropertiesRegistrar : public BpInterface<IBatteryPropertiesRegistrar> {
30public:
31    BpBatteryPropertiesRegistrar(const sp<IBinder>& impl)
32        : BpInterface<IBatteryPropertiesRegistrar>(impl) {}
33
34        void registerListener(const sp<IBatteryPropertiesListener>& listener) {
35            Parcel data;
36            data.writeInterfaceToken(IBatteryPropertiesRegistrar::getInterfaceDescriptor());
37            data.writeStrongBinder(listener->asBinder());
38            remote()->transact(REGISTER_LISTENER, data, NULL);
39        }
40
41        void unregisterListener(const sp<IBatteryPropertiesListener>& listener) {
42            Parcel data;
43            data.writeInterfaceToken(IBatteryPropertiesRegistrar::getInterfaceDescriptor());
44            data.writeStrongBinder(listener->asBinder());
45            remote()->transact(UNREGISTER_LISTENER, data, NULL);
46        }
47};
48
49IMPLEMENT_META_INTERFACE(BatteryPropertiesRegistrar, "android.os.IBatteryPropertiesRegistrar");
50
51status_t BnBatteryPropertiesRegistrar::onTransact(uint32_t code,
52                                                  const Parcel& data,
53                                                  Parcel* reply,
54                                                  uint32_t flags)
55{
56    switch(code) {
57        case REGISTER_LISTENER: {
58            CHECK_INTERFACE(IBatteryPropertiesRegistrar, data, reply);
59            sp<IBatteryPropertiesListener> listener =
60                interface_cast<IBatteryPropertiesListener>(data.readStrongBinder());
61            registerListener(listener);
62            return OK;
63        }
64
65        case UNREGISTER_LISTENER: {
66            CHECK_INTERFACE(IBatteryPropertiesRegistrar, data, reply);
67            sp<IBatteryPropertiesListener> listener =
68                interface_cast<IBatteryPropertiesListener>(data.readStrongBinder());
69            unregisterListener(listener);
70            return OK;
71        }
72    }
73    return BBinder::onTransact(code, data, reply, flags);
74};
75
76// ----------------------------------------------------------------------------
77
78}; // namespace android
79