packages/SystemUI/src/com/android/keyguard/KeyguardPinViewController.java

/*
 * 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 android.view.View;

import com.android.internal.util.LatencyTracker;
import com.android.internal.widget.LockPatternUtils;
import com.android.keyguard.KeyguardSecurityModel.SecurityMode;
import com.android.systemui.R;
import com.android.systemui.classifier.FalsingCollector;
import com.android.systemui.statusbar.policy.DevicePostureController;

public class KeyguardPinViewController
        extends KeyguardPinBasedInputViewController<KeyguardPINView> {
    private final KeyguardUpdateMonitor mKeyguardUpdateMonitor;
    private final DevicePostureController mPostureController;
    private final DevicePostureController.Callback mPostureCallback = posture ->
            mView.onDevicePostureChanged(posture);

    protected KeyguardPinViewController(KeyguardPINView view,
            KeyguardUpdateMonitor keyguardUpdateMonitor,
            SecurityMode securityMode, LockPatternUtils lockPatternUtils,
            KeyguardSecurityCallback keyguardSecurityCallback,
            KeyguardMessageAreaController.Factory messageAreaControllerFactory,
            LatencyTracker latencyTracker, LiftToActivateListener liftToActivateListener,
            EmergencyButtonController emergencyButtonController,
            FalsingCollector falsingCollector,
            DevicePostureController postureController) {
        super(view, keyguardUpdateMonitor, securityMode, lockPatternUtils, keyguardSecurityCallback,
                messageAreaControllerFactory, latencyTracker, liftToActivateListener,
                emergencyButtonController, falsingCollector);
        mKeyguardUpdateMonitor = keyguardUpdateMonitor;
        mPostureController = postureController;
    }

    @Override
    protected void onViewAttached() {
        super.onViewAttached();

        View cancelBtn = mView.findViewById(R.id.cancel_button);
        if (cancelBtn != null) {
            cancelBtn.setOnClickListener(view -> {
                getKeyguardSecurityCallback().reset();
                getKeyguardSecurityCallback().onCancelClicked();
            });
        }

        mPostureController.addCallback(mPostureCallback);
    }

    @Override
    protected void onViewDetached() {
        super.onViewDetached();
        mPostureController.removeCallback(mPostureCallback);
    }

    @Override
    public void reloadColors() {
        super.reloadColors();
        mView.reloadColors();
    }

    @Override
    void resetState() {
        super.resetState();
        mMessageAreaController.setMessage("");
    }

    @Override
    public void startAppearAnimation() {
        mMessageAreaController.setMessageIfEmpty(R.string.keyguard_enter_your_pin);
        super.startAppearAnimation();
    }

    @Override
    public boolean startDisappearAnimation(Runnable finishRunnable) {
        return mView.startDisappearAnimation(
                mKeyguardUpdateMonitor.needsSlowUnlockTransition(), finishRunnable);
    }
}