| /* |
| * 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.internal.policy.impl.keyguard; |
| |
| import android.content.Context; |
| import android.content.res.TypedArray; |
| import android.text.SpannableStringBuilder; |
| import android.text.style.TextAppearanceSpan; |
| import android.util.AttributeSet; |
| import android.view.HapticFeedbackConstants; |
| import android.view.View; |
| import android.widget.Button; |
| import android.widget.TextView; |
| |
| import com.android.internal.R; |
| import com.android.internal.widget.LockPatternUtils; |
| |
| public class NumPadKey extends Button { |
| // list of "ABC", etc per digit, starting with '0' |
| static String sKlondike[]; |
| |
| int mDigit = -1; |
| int mTextViewResId; |
| TextView mTextView = null; |
| boolean mEnableHaptics; |
| |
| private View.OnClickListener mListener = new View.OnClickListener() { |
| @Override |
| public void onClick(View thisView) { |
| if (mTextView == null) { |
| if (mTextViewResId > 0) { |
| final View v = NumPadKey.this.getRootView().findViewById(mTextViewResId); |
| if (v != null && v instanceof TextView) { |
| mTextView = (TextView) v; |
| } |
| } |
| } |
| // check for time-based lockouts |
| if (mTextView != null && mTextView.isEnabled()) { |
| mTextView.append(String.valueOf(mDigit)); |
| } |
| doHapticKeyClick(); |
| } |
| }; |
| |
| public NumPadKey(Context context) { |
| this(context, null); |
| } |
| |
| public NumPadKey(Context context, AttributeSet attrs) { |
| this(context, attrs, 0); |
| } |
| |
| public NumPadKey(Context context, AttributeSet attrs, int defStyle) { |
| super(context, attrs, defStyle); |
| |
| TypedArray a = context.obtainStyledAttributes(attrs, R.styleable.NumPadKey); |
| mDigit = a.getInt(R.styleable.NumPadKey_digit, mDigit); |
| setTextViewResId(a.getResourceId(R.styleable.NumPadKey_textView, 0)); |
| |
| setOnClickListener(mListener); |
| setOnHoverListener(new LiftToActivateListener(context)); |
| setAccessibilityDelegate(new ObscureSpeechDelegate(context)); |
| |
| mEnableHaptics = new LockPatternUtils(context).isTactileFeedbackEnabled(); |
| |
| SpannableStringBuilder builder = new SpannableStringBuilder(); |
| builder.append(String.valueOf(mDigit)); |
| if (mDigit >= 0) { |
| if (sKlondike == null) { |
| sKlondike = context.getResources().getStringArray( |
| R.array.lockscreen_num_pad_klondike); |
| } |
| if (sKlondike != null && sKlondike.length > mDigit) { |
| final String extra = sKlondike[mDigit]; |
| final int extraLen = extra.length(); |
| if (extraLen > 0) { |
| builder.append(" "); |
| builder.append(extra); |
| builder.setSpan( |
| new TextAppearanceSpan(context, R.style.TextAppearance_NumPadKey_Klondike), |
| builder.length()-extraLen, builder.length(), 0); |
| } |
| } |
| } |
| setText(builder); |
| } |
| |
| @Override |
| public void onDetachedFromWindow() { |
| super.onDetachedFromWindow(); |
| |
| // Reset the "announced headset" flag when detached. |
| ObscureSpeechDelegate.sAnnouncedHeadset = false; |
| } |
| |
| public void setTextView(TextView tv) { |
| mTextView = tv; |
| } |
| |
| public void setTextViewResId(int resId) { |
| mTextView = null; |
| mTextViewResId = resId; |
| } |
| |
| // Cause a VIRTUAL_KEY vibration |
| public void doHapticKeyClick() { |
| if (mEnableHaptics) { |
| performHapticFeedback(HapticFeedbackConstants.VIRTUAL_KEY, |
| HapticFeedbackConstants.FLAG_IGNORE_VIEW_SETTING |
| | HapticFeedbackConstants.FLAG_IGNORE_GLOBAL_SETTING); |
| } |
| } |
| } |