1 /*
2 * Copyright 2019 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 "IRegionSamplingListener"
18 //#define LOG_NDEBUG 0
19
20 #include <gui/IRegionSamplingListener.h>
21
22 namespace android {
23
24 namespace { // Anonymous
25
26 enum class Tag : uint32_t {
27 ON_SAMPLE_COLLECTED = IBinder::FIRST_CALL_TRANSACTION,
28 LAST = ON_SAMPLE_COLLECTED,
29 };
30
31 } // Anonymous namespace
32
33 class BpRegionSamplingListener : public SafeBpInterface<IRegionSamplingListener> {
34 public:
BpRegionSamplingListener(const sp<IBinder> & impl)35 explicit BpRegionSamplingListener(const sp<IBinder>& impl)
36 : SafeBpInterface<IRegionSamplingListener>(impl, "BpRegionSamplingListener") {}
37
38 ~BpRegionSamplingListener() override;
39
onSampleCollected(float medianLuma)40 void onSampleCollected(float medianLuma) override {
41 callRemoteAsync<decltype(
42 &IRegionSamplingListener::onSampleCollected)>(Tag::ON_SAMPLE_COLLECTED, medianLuma);
43 }
44 };
45
46 // Out-of-line virtual method definitions to trigger vtable emission in this translation unit (see
47 // clang warning -Wweak-vtables)
48 BpRegionSamplingListener::~BpRegionSamplingListener() = default;
49
50 IMPLEMENT_META_INTERFACE(RegionSamplingListener, "android.gui.IRegionSamplingListener");
51
onTransact(uint32_t code,const Parcel & data,Parcel * reply,uint32_t flags)52 status_t BnRegionSamplingListener::onTransact(uint32_t code, const Parcel& data, Parcel* reply,
53 uint32_t flags) {
54 if (code < IBinder::FIRST_CALL_TRANSACTION || code > static_cast<uint32_t>(Tag::LAST)) {
55 return BBinder::onTransact(code, data, reply, flags);
56 }
57 auto tag = static_cast<Tag>(code);
58 switch (tag) {
59 case Tag::ON_SAMPLE_COLLECTED:
60 return callLocalAsync(data, reply, &IRegionSamplingListener::onSampleCollected);
61 }
62 }
63
64 } // namespace android
65