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/*
* Copyright (C) 2020 The Android Open Source Project
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package com.android.keyguard;
import static android.hardware.biometrics.BiometricSourceType.FINGERPRINT;
import android.hardware.biometrics.BiometricSourceType;
import android.view.View;
import android.view.ViewGroup;
import androidx.annotation.NonNull;
import com.android.systemui.Dumpable;
import com.android.systemui.biometrics.AuthController;
import com.android.systemui.dagger.SysUISingleton;
import com.android.systemui.plugins.statusbar.StatusBarStateController;
import com.android.systemui.statusbar.StatusBarState;
import com.android.systemui.util.ViewController;
import java.io.FileDescriptor;
import java.io.PrintWriter;
/**
* Controls when to show the DisabledUdfpsView to unlock the device on the lockscreen.
* If the device is not authenticated, the bouncer will show.
*
* This tap target will only show when:
* - User has UDFPS enrolled
* - UDFPS is currently unavailable see {@link KeyguardUpdateMonitor#shouldListenForUdfps}
*/
@SysUISingleton
public class DisabledUdfpsController extends ViewController<DisabledUdfpsView> implements Dumpable {
@NonNull private final KeyguardUpdateMonitor mKeyguardUpdateMonitor;
@NonNull private final KeyguardViewController mKeyguardViewController;
@NonNull private final StatusBarStateController mStatusBarStateController;
private boolean mIsDozing;
private boolean mIsBouncerShowing;
private boolean mIsKeyguardShowing;
private boolean mRunningFPS;
private boolean mAuthenticated;
private boolean mShowButton;
public DisabledUdfpsController(
@NonNull DisabledUdfpsView view,
@NonNull StatusBarStateController statusBarStateController,
@NonNull KeyguardUpdateMonitor keyguardUpdateMonitor,
@NonNull AuthController authController,
@NonNull KeyguardViewController keyguardViewController
) {
super(view);
mView.setOnClickListener(mOnClickListener);
mView.setSensorProperties(authController.getUdfpsProps().get(0));
mStatusBarStateController = statusBarStateController;
mKeyguardUpdateMonitor = keyguardUpdateMonitor;
mKeyguardViewController = keyguardViewController;
}
@Override
protected void onViewAttached() {
mIsBouncerShowing = mKeyguardViewController.isBouncerShowing();
mIsKeyguardShowing = mStatusBarStateController.getState() == StatusBarState.KEYGUARD;
mIsDozing = mStatusBarStateController.isDozing();
mRunningFPS = mKeyguardUpdateMonitor.isFingerprintDetectionRunning();
mAuthenticated = false;
updateButtonVisibility();
mKeyguardUpdateMonitor.registerCallback(mKeyguardUpdateMonitorCallback);
mStatusBarStateController.addCallback(mStatusBarStateListener);
}
@Override
protected void onViewDetached() {
mKeyguardUpdateMonitor.removeCallback(mKeyguardUpdateMonitorCallback);
mStatusBarStateController.removeCallback(mStatusBarStateListener);
}
/**
* Call when this controller is no longer needed. This will remove the view from its parent.
*/
public void destroy() {
if (mView != null && mView.getParent() != null) {
((ViewGroup) mView.getParent()).removeView(mView);
}
}
private void updateButtonVisibility() {
mShowButton = !mAuthenticated && !mIsDozing && mIsKeyguardShowing
&& !mIsBouncerShowing && !mRunningFPS;
if (mShowButton) {
mView.setVisibility(View.VISIBLE);
} else {
mView.setVisibility(View.INVISIBLE);
}
}
@Override
public void dump(@NonNull FileDescriptor fd, @NonNull PrintWriter pw, @NonNull String[] args) {
pw.println("DisabledUdfpsController state:");
pw.println(" mShowBouncerButton: " + mShowButton);
pw.println(" mIsDozing: " + mIsDozing);
pw.println(" mIsKeyguardShowing: " + mIsKeyguardShowing);
pw.println(" mIsBouncerShowing: " + mIsBouncerShowing);
pw.println(" mRunningFPS: " + mRunningFPS);
pw.println(" mAuthenticated: " + mAuthenticated);
}
private final View.OnClickListener mOnClickListener = new View.OnClickListener() {
@Override
public void onClick(View v) {
mKeyguardViewController.showBouncer(/* scrim */ true);
}
};
private StatusBarStateController.StateListener mStatusBarStateListener =
new StatusBarStateController.StateListener() {
@Override
public void onStateChanged(int newState) {
mIsKeyguardShowing = newState == StatusBarState.KEYGUARD;
updateButtonVisibility();
}
@Override
public void onDozingChanged(boolean isDozing) {
mIsDozing = isDozing;
updateButtonVisibility();
}
};
private final KeyguardUpdateMonitorCallback mKeyguardUpdateMonitorCallback =
new KeyguardUpdateMonitorCallback() {
@Override
public void onKeyguardBouncerChanged(boolean bouncer) {
mIsBouncerShowing = bouncer;
updateButtonVisibility();
}
@Override
public void onBiometricRunningStateChanged(boolean running,
BiometricSourceType biometricSourceType) {
if (biometricSourceType == FINGERPRINT) {
mRunningFPS = running;
}
mAuthenticated &= !mRunningFPS;
updateButtonVisibility();
}
@Override
public void onBiometricAuthenticated(int userId,
BiometricSourceType biometricSourceType, boolean isStrongBiometric) {
mAuthenticated = true;
updateButtonVisibility();
}
@Override
public void onUserUnlocked() {
mAuthenticated = true;
updateButtonVisibility();
}
};
}
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