2 * Copyright (C) 2012 The Android Open Source Project
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
8 * http://www.apache.org/licenses/LICENSE-2.0
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.
17 package com.android.keyguard;
19 import android.content.Context;
20 import android.content.res.TypedArray;
21 import android.os.PowerManager;
22 import android.os.SystemClock;
23 import android.util.AttributeSet;
24 import android.view.HapticFeedbackConstants;
25 import android.view.LayoutInflater;
26 import android.view.View;
27 import android.view.ViewGroup;
28 import android.widget.TextView;
30 import com.android.internal.widget.LockPatternUtils;
32 public class NumPadKey extends ViewGroup {
33 // list of "ABC", etc per digit, starting with '0'
34 static String sKlondike[];
36 private int mDigit = -1;
37 private int mTextViewResId;
38 private PasswordTextView mTextView;
39 private TextView mDigitText;
40 private TextView mKlondikeText;
41 private boolean mEnableHaptics;
42 private PowerManager mPM;
44 private View.OnClickListener mListener = new View.OnClickListener() {
46 public void onClick(View thisView) {
47 if (mTextView == null && mTextViewResId > 0) {
48 final View v = NumPadKey.this.getRootView().findViewById(mTextViewResId);
49 if (v != null && v instanceof PasswordTextView) {
50 mTextView = (PasswordTextView) v;
53 if (mTextView != null && mTextView.isEnabled()) {
54 mTextView.append(Character.forDigit(mDigit, 10));
61 public void userActivity() {
62 mPM.userActivity(SystemClock.uptimeMillis(), false);
65 public NumPadKey(Context context) {
69 public NumPadKey(Context context, AttributeSet attrs) {
70 this(context, attrs, 0);
73 public NumPadKey(Context context, AttributeSet attrs, int defStyle) {
74 this(context, attrs, defStyle, R.layout.keyguard_num_pad_key);
77 protected NumPadKey(Context context, AttributeSet attrs, int defStyle, int contentResource) {
78 super(context, attrs, defStyle);
81 TypedArray a = context.obtainStyledAttributes(attrs, R.styleable.NumPadKey);
84 mDigit = a.getInt(R.styleable.NumPadKey_digit, mDigit);
85 mTextViewResId = a.getResourceId(R.styleable.NumPadKey_textView, 0);
90 setOnClickListener(mListener);
91 setOnHoverListener(new LiftToActivateListener(context));
92 setAccessibilityDelegate(new ObscureSpeechDelegate(context));
94 mEnableHaptics = new LockPatternUtils(context).isTactileFeedbackEnabled();
96 mPM = (PowerManager) mContext.getSystemService(Context.POWER_SERVICE);
97 LayoutInflater inflater = (LayoutInflater) getContext().getSystemService(
98 Context.LAYOUT_INFLATER_SERVICE);
99 inflater.inflate(contentResource, this, true);
101 mDigitText = (TextView) findViewById(R.id.digit_text);
102 mDigitText.setText(Integer.toString(mDigit));
103 mKlondikeText = (TextView) findViewById(R.id.klondike_text);
106 if (sKlondike == null) {
107 sKlondike = getResources().getStringArray(R.array.lockscreen_num_pad_klondike);
109 if (sKlondike != null && sKlondike.length > mDigit) {
110 String klondike = sKlondike[mDigit];
111 final int len = klondike.length();
113 mKlondikeText.setText(klondike);
115 mKlondikeText.setVisibility(View.INVISIBLE);
120 a = context.obtainStyledAttributes(attrs, android.R.styleable.View);
121 if (!a.hasValueOrEmpty(android.R.styleable.View_background)) {
122 setBackground(mContext.getDrawable(R.drawable.ripple_drawable));
125 setContentDescription(mDigitText.getText().toString());
129 public void onDetachedFromWindow() {
130 super.onDetachedFromWindow();
132 // Reset the "announced headset" flag when detached.
133 ObscureSpeechDelegate.sAnnouncedHeadset = false;
137 protected void onMeasure(int widthMeasureSpec, int heightMeasureSpec) {
138 super.onMeasure(widthMeasureSpec, heightMeasureSpec);
139 measureChildren(widthMeasureSpec, heightMeasureSpec);
143 protected void onLayout(boolean changed, int l, int t, int r, int b) {
144 int digitHeight = mDigitText.getMeasuredHeight();
145 int klondikeHeight = mKlondikeText.getMeasuredHeight();
146 int totalHeight = digitHeight + klondikeHeight;
147 int top = getHeight() / 2 - totalHeight / 2;
148 int centerX = getWidth() / 2;
149 int left = centerX - mDigitText.getMeasuredWidth() / 2;
150 int bottom = top + digitHeight;
151 mDigitText.layout(left, top, left + mDigitText.getMeasuredWidth(), bottom);
152 top = (int) (bottom - klondikeHeight * 0.35f);
153 bottom = top + klondikeHeight;
155 left = centerX - mKlondikeText.getMeasuredWidth() / 2;
156 mKlondikeText.layout(left, top, left + mKlondikeText.getMeasuredWidth(), bottom);
160 public boolean hasOverlappingRendering() {
164 // Cause a VIRTUAL_KEY vibration
165 public void doHapticKeyClick() {
166 if (mEnableHaptics) {
167 performHapticFeedback(HapticFeedbackConstants.VIRTUAL_KEY,
168 HapticFeedbackConstants.FLAG_IGNORE_VIEW_SETTING
169 | HapticFeedbackConstants.FLAG_IGNORE_GLOBAL_SETTING);