1 /*
2 * Copyright (C) 2022 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 "FakeFingerprintEngineUdfps.h"
18
19 #include <android-base/logging.h>
20
21 #include <fingerprint.sysprop.h>
22
23 #include "Fingerprint.h"
24 #include "util/CancellationSignal.h"
25 #include "util/Util.h"
26
27 #undef LOG_TAG
28 #define LOG_TAG "FingerprintVirtualHalUdfps"
29
30 using namespace ::android::fingerprint::virt;
31
32 namespace aidl::android::hardware::biometrics::fingerprint {
33
FakeFingerprintEngineUdfps()34 FakeFingerprintEngineUdfps::FakeFingerprintEngineUdfps()
35 : FakeFingerprintEngine(), mPointerDownTime(0), mUiReadyTime(0) {}
36
getDefaultSensorLocation(std::vector<SensorLocation> & sensorLocation)37 void FakeFingerprintEngineUdfps::getDefaultSensorLocation(
38 std::vector<SensorLocation>& sensorLocation) {
39 sensorLocation.clear();
40 sensorLocation.push_back(SensorLocation{
41 .sensorLocationX = defaultSensorLocationX,
42 .sensorLocationY = defaultSensorLocationY,
43 .sensorRadius = defaultSensorRadius,
44 });
45 }
46
onPointerDownImpl(int32_t,int32_t,int32_t,float,float)47 ndk::ScopedAStatus FakeFingerprintEngineUdfps::onPointerDownImpl(int32_t /*pointerId*/,
48 int32_t /*x*/, int32_t /*y*/,
49 float /*minor*/, float /*major*/) {
50 BEGIN_OP(0);
51 // verify whetehr touch coordinates/area matching sensor location ?
52 mPointerDownTime = Util::getSystemNanoTime();
53 if (Fingerprint::cfg().get<bool>("control_illumination")) {
54 fingerDownAction();
55 }
56 return ndk::ScopedAStatus::ok();
57 }
58
onPointerUpImpl(int32_t)59 ndk::ScopedAStatus FakeFingerprintEngineUdfps::onPointerUpImpl(int32_t /*pointerId*/) {
60 BEGIN_OP(0);
61 mUiReadyTime = 0;
62 mPointerDownTime = 0;
63 return ndk::ScopedAStatus::ok();
64 }
65
onUiReadyImpl()66 ndk::ScopedAStatus FakeFingerprintEngineUdfps::onUiReadyImpl() {
67 BEGIN_OP(0);
68
69 if (Util::hasElapsed(mPointerDownTime, uiReadyTimeoutInMs * 100)) {
70 LOG(ERROR) << "onUiReady() arrives too late after onPointerDown()";
71 } else {
72 fingerDownAction();
73 }
74 return ndk::ScopedAStatus::ok();
75 }
76
fingerDownAction()77 void FakeFingerprintEngineUdfps::fingerDownAction() {
78 FakeFingerprintEngine::fingerDownAction();
79 mUiReadyTime = 0;
80 mPointerDownTime = 0;
81 }
82
updateContext(WorkMode mode,ISessionCallback * cb,std::future<void> & cancel,int64_t operationId,const keymaster::HardwareAuthToken & hat)83 void FakeFingerprintEngineUdfps::updateContext(WorkMode mode, ISessionCallback* cb,
84 std::future<void>& cancel, int64_t operationId,
85 const keymaster::HardwareAuthToken& hat) {
86 FakeFingerprintEngine::updateContext(mode, cb, cancel, operationId, hat);
87 mPointerDownTime = 0;
88 mUiReadyTime = 0;
89 }
90
91 } // namespace aidl::android::hardware::biometrics::fingerprint
92