/* * Copyright (C) 2012 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.content.Context; import android.util.AttributeSet; import android.view.HapticFeedbackConstants; import android.view.KeyEvent; import android.view.View; import androidx.annotation.CallSuper; import com.android.internal.widget.LockscreenCredential; import com.android.systemui.res.R; /** * Base class for PIN and password unlock screens. */ public abstract class KeyguardAbsKeyInputView extends KeyguardInputView { protected View mEcaView; // To avoid accidental lockout due to events while the device in the pocket, ignore // any passwords with length less than or equal to this length. protected static final int MINIMUM_PASSWORD_LENGTH_BEFORE_REPORT = 3; private KeyDownListener mKeyDownListener; public KeyguardAbsKeyInputView(Context context) { this(context, null); } public KeyguardAbsKeyInputView(Context context, AttributeSet attrs) { super(context, attrs); } protected abstract int getPasswordTextViewId(); protected abstract void resetState(); @Override @CallSuper protected void onFinishInflate() { super.onFinishInflate(); mEcaView = findViewById(R.id.keyguard_selector_fade_container); } /* * Override this if you have a different string for "wrong password" * * Note that PIN/PUK have their own implementation of verifyPasswordAndUnlock and so don't need this */ protected int getWrongPasswordStringId() { return R.string.kg_wrong_password; } protected abstract void resetPasswordText(boolean animate, boolean announce); protected abstract LockscreenCredential getEnteredCredential(); protected abstract void setPasswordEntryEnabled(boolean enabled); protected abstract void setPasswordEntryInputEnabled(boolean enabled); @Override public boolean onKeyDown(int keyCode, KeyEvent event) { return mKeyDownListener != null && mKeyDownListener.onKeyDown(keyCode, event); } protected abstract int getPromptReasonStringRes(int reason); // Cause a VIRTUAL_KEY vibration public void doHapticKeyClick() { performHapticFeedback(HapticFeedbackConstants.VIRTUAL_KEY, HapticFeedbackConstants.FLAG_IGNORE_VIEW_SETTING); } public void setKeyDownListener(KeyDownListener keyDownListener) { mKeyDownListener = keyDownListener; } public interface KeyDownListener { boolean onKeyDown(int keyCode, KeyEvent keyEvent); } }