19da0f8a5c4bccf8e722ae2ebf43873457aec3271Fabrice Di Meglio/* 29da0f8a5c4bccf8e722ae2ebf43873457aec3271Fabrice Di Meglio * Copyright (C) 2012 The Android Open Source Project 39da0f8a5c4bccf8e722ae2ebf43873457aec3271Fabrice Di Meglio * 49da0f8a5c4bccf8e722ae2ebf43873457aec3271Fabrice Di Meglio * Licensed under the Apache License, Version 2.0 (the "License"); 59da0f8a5c4bccf8e722ae2ebf43873457aec3271Fabrice Di Meglio * you may not use this file except in compliance with the License. 69da0f8a5c4bccf8e722ae2ebf43873457aec3271Fabrice Di Meglio * You may obtain a copy of the License at 79da0f8a5c4bccf8e722ae2ebf43873457aec3271Fabrice Di Meglio * 89da0f8a5c4bccf8e722ae2ebf43873457aec3271Fabrice Di Meglio * http://www.apache.org/licenses/LICENSE-2.0 99da0f8a5c4bccf8e722ae2ebf43873457aec3271Fabrice Di Meglio * 109da0f8a5c4bccf8e722ae2ebf43873457aec3271Fabrice Di Meglio * Unless required by applicable law or agreed to in writing, software 119da0f8a5c4bccf8e722ae2ebf43873457aec3271Fabrice Di Meglio * distributed under the License is distributed on an "AS IS" BASIS, 129da0f8a5c4bccf8e722ae2ebf43873457aec3271Fabrice Di Meglio * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 139da0f8a5c4bccf8e722ae2ebf43873457aec3271Fabrice Di Meglio * See the License for the specific language governing permissions and 149da0f8a5c4bccf8e722ae2ebf43873457aec3271Fabrice Di Meglio * limitations under the License. 159da0f8a5c4bccf8e722ae2ebf43873457aec3271Fabrice Di Meglio */ 169da0f8a5c4bccf8e722ae2ebf43873457aec3271Fabrice Di Meglio 179da0f8a5c4bccf8e722ae2ebf43873457aec3271Fabrice Di Megliopackage com.android.internal.policy.impl.keyguard; 189da0f8a5c4bccf8e722ae2ebf43873457aec3271Fabrice Di Meglio 199da0f8a5c4bccf8e722ae2ebf43873457aec3271Fabrice Di Meglioimport android.content.Context; 209da0f8a5c4bccf8e722ae2ebf43873457aec3271Fabrice Di Meglioimport android.content.res.TypedArray; 219da0f8a5c4bccf8e722ae2ebf43873457aec3271Fabrice Di Meglioimport android.text.SpannableStringBuilder; 229da0f8a5c4bccf8e722ae2ebf43873457aec3271Fabrice Di Meglioimport android.text.style.TextAppearanceSpan; 239da0f8a5c4bccf8e722ae2ebf43873457aec3271Fabrice Di Meglioimport android.util.AttributeSet; 249da0f8a5c4bccf8e722ae2ebf43873457aec3271Fabrice Di Meglioimport android.view.HapticFeedbackConstants; 259da0f8a5c4bccf8e722ae2ebf43873457aec3271Fabrice Di Meglioimport android.view.View; 269da0f8a5c4bccf8e722ae2ebf43873457aec3271Fabrice Di Meglioimport android.widget.Button; 279da0f8a5c4bccf8e722ae2ebf43873457aec3271Fabrice Di Meglioimport android.widget.TextView; 289da0f8a5c4bccf8e722ae2ebf43873457aec3271Fabrice Di Meglio 299da0f8a5c4bccf8e722ae2ebf43873457aec3271Fabrice Di Meglioimport com.android.internal.R; 309da0f8a5c4bccf8e722ae2ebf43873457aec3271Fabrice Di Meglioimport com.android.internal.widget.LockPatternUtils; 319da0f8a5c4bccf8e722ae2ebf43873457aec3271Fabrice Di Meglio 32public class NumPadKey extends Button { 33 // list of "ABC", etc per digit, starting with '0' 34 static String sKlondike[]; 35 36 int mDigit = -1; 37 int mTextViewResId; 38 TextView mTextView = null; 39 boolean mEnableHaptics; 40 41 private View.OnClickListener mListener = new View.OnClickListener() { 42 @Override 43 public void onClick(View thisView) { 44 if (mTextView == null) { 45 if (mTextViewResId > 0) { 46 final View v = NumPadKey.this.getRootView().findViewById(mTextViewResId); 47 if (v != null && v instanceof TextView) { 48 mTextView = (TextView) v; 49 } 50 } 51 } 52 // check for time-based lockouts 53 if (mTextView != null && mTextView.isEnabled()) { 54 mTextView.append(String.valueOf(mDigit)); 55 } 56 doHapticKeyClick(); 57 } 58 }; 59 60 public NumPadKey(Context context) { 61 this(context, null); 62 } 63 64 public NumPadKey(Context context, AttributeSet attrs) { 65 this(context, attrs, 0); 66 } 67 68 public NumPadKey(Context context, AttributeSet attrs, int defStyle) { 69 super(context, attrs, defStyle); 70 71 TypedArray a = context.obtainStyledAttributes(attrs, R.styleable.NumPadKey); 72 mDigit = a.getInt(R.styleable.NumPadKey_digit, mDigit); 73 setTextViewResId(a.getResourceId(R.styleable.NumPadKey_textView, 0)); 74 75 setOnClickListener(mListener); 76 setOnHoverListener(new LiftToActivateListener(context)); 77 setAccessibilityDelegate(new ObscureSpeechDelegate(context)); 78 79 mEnableHaptics = new LockPatternUtils(context).isTactileFeedbackEnabled(); 80 81 SpannableStringBuilder builder = new SpannableStringBuilder(); 82 builder.append(String.valueOf(mDigit)); 83 if (mDigit >= 0) { 84 if (sKlondike == null) { 85 sKlondike = context.getResources().getStringArray( 86 R.array.lockscreen_num_pad_klondike); 87 } 88 if (sKlondike != null && sKlondike.length > mDigit) { 89 final String extra = sKlondike[mDigit]; 90 final int extraLen = extra.length(); 91 if (extraLen > 0) { 92 builder.append(" "); 93 builder.append(extra); 94 builder.setSpan( 95 new TextAppearanceSpan(context, R.style.TextAppearance_NumPadKey_Klondike), 96 builder.length()-extraLen, builder.length(), 0); 97 } 98 } 99 } 100 setText(builder); 101 } 102 103 @Override 104 public void onDetachedFromWindow() { 105 super.onDetachedFromWindow(); 106 107 // Reset the "announced headset" flag when detached. 108 ObscureSpeechDelegate.sAnnouncedHeadset = false; 109 } 110 111 public void setTextView(TextView tv) { 112 mTextView = tv; 113 } 114 115 public void setTextViewResId(int resId) { 116 mTextView = null; 117 mTextViewResId = resId; 118 } 119 120 // Cause a VIRTUAL_KEY vibration 121 public void doHapticKeyClick() { 122 if (mEnableHaptics) { 123 performHapticFeedback(HapticFeedbackConstants.VIRTUAL_KEY, 124 HapticFeedbackConstants.FLAG_IGNORE_VIEW_SETTING 125 | HapticFeedbackConstants.FLAG_IGNORE_GLOBAL_SETTING); 126 } 127 } 128} 129