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
defaultSensorLocation()37 SensorLocation FakeFingerprintEngineUdfps::defaultSensorLocation() {
38 return SensorLocation{.sensorLocationX = defaultSensorLocationX,
39 .sensorLocationY = defaultSensorLocationY,
40 .sensorRadius = defaultSensorRadius};
41 }
42
onPointerDownImpl(int32_t,int32_t,int32_t,float,float)43 ndk::ScopedAStatus FakeFingerprintEngineUdfps::onPointerDownImpl(int32_t /*pointerId*/,
44 int32_t /*x*/, int32_t /*y*/,
45 float /*minor*/, float /*major*/) {
46 BEGIN_OP(0);
47 // verify whetehr touch coordinates/area matching sensor location ?
48 mPointerDownTime = Util::getSystemNanoTime();
49 if (Fingerprint::cfg().get<bool>("control_illumination")) {
50 fingerDownAction();
51 }
52 return ndk::ScopedAStatus::ok();
53 }
54
onPointerUpImpl(int32_t)55 ndk::ScopedAStatus FakeFingerprintEngineUdfps::onPointerUpImpl(int32_t /*pointerId*/) {
56 BEGIN_OP(0);
57 mUiReadyTime = 0;
58 mPointerDownTime = 0;
59 return ndk::ScopedAStatus::ok();
60 }
61
onUiReadyImpl()62 ndk::ScopedAStatus FakeFingerprintEngineUdfps::onUiReadyImpl() {
63 BEGIN_OP(0);
64
65 if (Util::hasElapsed(mPointerDownTime, uiReadyTimeoutInMs * 100)) {
66 LOG(ERROR) << "onUiReady() arrives too late after onPointerDown()";
67 } else {
68 fingerDownAction();
69 }
70 return ndk::ScopedAStatus::ok();
71 }
72
fingerDownAction()73 void FakeFingerprintEngineUdfps::fingerDownAction() {
74 FakeFingerprintEngine::fingerDownAction();
75 mUiReadyTime = 0;
76 mPointerDownTime = 0;
77 }
78
updateContext(WorkMode mode,ISessionCallback * cb,std::future<void> & cancel,int64_t operationId,const keymaster::HardwareAuthToken & hat)79 void FakeFingerprintEngineUdfps::updateContext(WorkMode mode, ISessionCallback* cb,
80 std::future<void>& cancel, int64_t operationId,
81 const keymaster::HardwareAuthToken& hat) {
82 FakeFingerprintEngine::updateContext(mode, cb, cancel, operationId, hat);
83 mPointerDownTime = 0;
84 mUiReadyTime = 0;
85 }
86
87 } // namespace aidl::android::hardware::biometrics::fingerprint
88