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      1 /*
      2  * Copyright (C) 2012 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 package com.android.keyguard;
     18 
     19 import android.content.Context;
     20 import android.util.AttributeSet;
     21 import android.view.View;
     22 import android.view.ViewGroup;
     23 import android.view.animation.AnimationUtils;
     24 
     25 /**
     26  * Displays a PIN pad for unlocking.
     27  */
     28 public class KeyguardPINView extends KeyguardPinBasedInputView {
     29 
     30     private final AppearAnimationUtils mAppearAnimationUtils;
     31     private final DisappearAnimationUtils mDisappearAnimationUtils;
     32     private ViewGroup mKeyguardBouncerFrame;
     33     private ViewGroup mRow0;
     34     private ViewGroup mRow1;
     35     private ViewGroup mRow2;
     36     private ViewGroup mRow3;
     37     private View mDivider;
     38     private int mDisappearYTranslation;
     39     private View[][] mViews;
     40 
     41     public KeyguardPINView(Context context) {
     42         this(context, null);
     43     }
     44 
     45     public KeyguardPINView(Context context, AttributeSet attrs) {
     46         super(context, attrs);
     47         mAppearAnimationUtils = new AppearAnimationUtils(context);
     48         mDisappearAnimationUtils = new DisappearAnimationUtils(context,
     49                 125, 0.6f /* translationScale */,
     50                 0.6f /* delayScale */, AnimationUtils.loadInterpolator(
     51                         mContext, android.R.interpolator.fast_out_linear_in));
     52         mDisappearYTranslation = getResources().getDimensionPixelSize(
     53                 R.dimen.disappear_y_translation);
     54     }
     55 
     56     protected void resetState() {
     57         super.resetState();
     58         if (KeyguardUpdateMonitor.getInstance(mContext).getMaxBiometricUnlockAttemptsReached()) {
     59             mSecurityMessageDisplay.setMessage(R.string.faceunlock_multiple_failures, true);
     60         } else {
     61             mSecurityMessageDisplay.setMessage(R.string.kg_pin_instructions, false);
     62         }
     63     }
     64 
     65     @Override
     66     protected int getPasswordTextViewId() {
     67         return R.id.pinEntry;
     68     }
     69 
     70     @Override
     71     protected void onFinishInflate() {
     72         super.onFinishInflate();
     73 
     74         mKeyguardBouncerFrame = (ViewGroup) findViewById(R.id.keyguard_bouncer_frame);
     75         mRow0 = (ViewGroup) findViewById(R.id.row0);
     76         mRow1 = (ViewGroup) findViewById(R.id.row1);
     77         mRow2 = (ViewGroup) findViewById(R.id.row2);
     78         mRow3 = (ViewGroup) findViewById(R.id.row3);
     79         mDivider = findViewById(R.id.divider);
     80         mViews = new View[][]{
     81                 new View[]{
     82                         mRow0, null, null
     83                 },
     84                 new View[]{
     85                         findViewById(R.id.key1), findViewById(R.id.key2),
     86                         findViewById(R.id.key3)
     87                 },
     88                 new View[]{
     89                         findViewById(R.id.key4), findViewById(R.id.key5),
     90                         findViewById(R.id.key6)
     91                 },
     92                 new View[]{
     93                         findViewById(R.id.key7), findViewById(R.id.key8),
     94                         findViewById(R.id.key9)
     95                 },
     96                 new View[]{
     97                         null, findViewById(R.id.key0), findViewById(R.id.key_enter)
     98                 },
     99                 new View[]{
    100                         null, mEcaView, null
    101                 }};
    102     }
    103 
    104     @Override
    105     public void showUsabilityHint() {
    106     }
    107 
    108     @Override
    109     public int getWrongPasswordStringId() {
    110         return R.string.kg_wrong_pin;
    111     }
    112 
    113     @Override
    114     public void startAppearAnimation() {
    115         enableClipping(false);
    116         setAlpha(1f);
    117         setTranslationY(mAppearAnimationUtils.getStartTranslation());
    118         animate()
    119                 .setDuration(500)
    120                 .setInterpolator(mAppearAnimationUtils.getInterpolator())
    121                 .translationY(0);
    122         mAppearAnimationUtils.startAnimation(mViews,
    123                 new Runnable() {
    124                     @Override
    125                     public void run() {
    126                         enableClipping(true);
    127                     }
    128                 });
    129     }
    130 
    131     @Override
    132     public boolean startDisappearAnimation(final Runnable finishRunnable) {
    133         enableClipping(false);
    134         setTranslationY(0);
    135         animate()
    136                 .setDuration(280)
    137                 .setInterpolator(mDisappearAnimationUtils.getInterpolator())
    138                 .translationY(mDisappearYTranslation);
    139         mDisappearAnimationUtils.startAnimation(mViews,
    140                 new Runnable() {
    141                     @Override
    142                     public void run() {
    143                         enableClipping(true);
    144                         if (finishRunnable != null) {
    145                             finishRunnable.run();
    146                         }
    147                     }
    148                 });
    149         return true;
    150     }
    151 
    152     private void enableClipping(boolean enable) {
    153         mKeyguardBouncerFrame.setClipToPadding(enable);
    154         mKeyguardBouncerFrame.setClipChildren(enable);
    155         mRow1.setClipToPadding(enable);
    156         mRow2.setClipToPadding(enable);
    157         mRow3.setClipToPadding(enable);
    158         setClipChildren(enable);
    159     }
    160 
    161     @Override
    162     public boolean hasOverlappingRendering() {
    163         return false;
    164     }
    165 }
    166