| /* |
| * 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.content.res.TypedArray; |
| import android.os.PowerManager; |
| import android.os.SystemClock; |
| import android.util.AttributeSet; |
| import android.view.HapticFeedbackConstants; |
| import android.view.LayoutInflater; |
| import android.view.MotionEvent; |
| import android.view.View; |
| import android.view.ViewGroup; |
| import android.widget.TextView; |
| |
| import com.android.internal.widget.LockPatternUtils; |
| import com.android.systemui.R; |
| |
| public class NumPadKey extends ViewGroup { |
| // list of "ABC", etc per digit, starting with '0' |
| static String sKlondike[]; |
| |
| private final TextView mDigitText; |
| private final TextView mKlondikeText; |
| private final LockPatternUtils mLockPatternUtils; |
| private final PowerManager mPM; |
| |
| private int mDigit = -1; |
| private int mTextViewResId; |
| private PasswordTextView mTextView; |
| |
| private View.OnClickListener mListener = new View.OnClickListener() { |
| @Override |
| public void onClick(View thisView) { |
| if (mTextView == null && mTextViewResId > 0) { |
| final View v = NumPadKey.this.getRootView().findViewById(mTextViewResId); |
| if (v != null && v instanceof PasswordTextView) { |
| mTextView = (PasswordTextView) v; |
| } |
| } |
| if (mTextView != null && mTextView.isEnabled()) { |
| mTextView.append(Character.forDigit(mDigit, 10)); |
| } |
| userActivity(); |
| } |
| }; |
| |
| public void userActivity() { |
| mPM.userActivity(SystemClock.uptimeMillis(), false); |
| } |
| |
| 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) { |
| this(context, attrs, defStyle, R.layout.keyguard_num_pad_key); |
| } |
| |
| protected NumPadKey(Context context, AttributeSet attrs, int defStyle, int contentResource) { |
| super(context, attrs, defStyle); |
| setFocusable(true); |
| |
| TypedArray a = context.obtainStyledAttributes(attrs, R.styleable.NumPadKey); |
| |
| try { |
| mDigit = a.getInt(R.styleable.NumPadKey_digit, mDigit); |
| mTextViewResId = a.getResourceId(R.styleable.NumPadKey_textView, 0); |
| } finally { |
| a.recycle(); |
| } |
| |
| setOnClickListener(mListener); |
| setOnHoverListener(new LiftToActivateListener(context)); |
| |
| mLockPatternUtils = new LockPatternUtils(context); |
| mPM = (PowerManager) mContext.getSystemService(Context.POWER_SERVICE); |
| LayoutInflater inflater = (LayoutInflater) getContext().getSystemService( |
| Context.LAYOUT_INFLATER_SERVICE); |
| inflater.inflate(contentResource, this, true); |
| |
| mDigitText = (TextView) findViewById(R.id.digit_text); |
| mDigitText.setText(Integer.toString(mDigit)); |
| mKlondikeText = (TextView) findViewById(R.id.klondike_text); |
| |
| if (mDigit >= 0) { |
| if (sKlondike == null) { |
| sKlondike = getResources().getStringArray(R.array.lockscreen_num_pad_klondike); |
| } |
| if (sKlondike != null && sKlondike.length > mDigit) { |
| String klondike = sKlondike[mDigit]; |
| final int len = klondike.length(); |
| if (len > 0) { |
| mKlondikeText.setText(klondike); |
| } else { |
| mKlondikeText.setVisibility(View.INVISIBLE); |
| } |
| } |
| } |
| |
| a = context.obtainStyledAttributes(attrs, android.R.styleable.View); |
| if (!a.hasValueOrEmpty(android.R.styleable.View_background)) { |
| setBackground(mContext.getDrawable(R.drawable.ripple_drawable_pin)); |
| } |
| a.recycle(); |
| setContentDescription(mDigitText.getText().toString()); |
| } |
| |
| @Override |
| public boolean onTouchEvent(MotionEvent event) { |
| if (event.getActionMasked() == MotionEvent.ACTION_DOWN) { |
| doHapticKeyClick(); |
| } |
| return super.onTouchEvent(event); |
| } |
| |
| @Override |
| protected void onMeasure(int widthMeasureSpec, int heightMeasureSpec) { |
| super.onMeasure(widthMeasureSpec, heightMeasureSpec); |
| measureChildren(widthMeasureSpec, heightMeasureSpec); |
| } |
| |
| @Override |
| protected void onLayout(boolean changed, int l, int t, int r, int b) { |
| int digitHeight = mDigitText.getMeasuredHeight(); |
| int klondikeHeight = mKlondikeText.getMeasuredHeight(); |
| int totalHeight = digitHeight + klondikeHeight; |
| int top = getHeight() / 2 - totalHeight / 2; |
| int centerX = getWidth() / 2; |
| int left = centerX - mDigitText.getMeasuredWidth() / 2; |
| int bottom = top + digitHeight; |
| mDigitText.layout(left, top, left + mDigitText.getMeasuredWidth(), bottom); |
| top = (int) (bottom - klondikeHeight * 0.35f); |
| bottom = top + klondikeHeight; |
| |
| left = centerX - mKlondikeText.getMeasuredWidth() / 2; |
| mKlondikeText.layout(left, top, left + mKlondikeText.getMeasuredWidth(), bottom); |
| } |
| |
| @Override |
| public boolean hasOverlappingRendering() { |
| return false; |
| } |
| |
| // Cause a VIRTUAL_KEY vibration |
| public void doHapticKeyClick() { |
| if (mLockPatternUtils.isTactileFeedbackEnabled()) { |
| performHapticFeedback(HapticFeedbackConstants.VIRTUAL_KEY, |
| HapticFeedbackConstants.FLAG_IGNORE_VIEW_SETTING |
| | HapticFeedbackConstants.FLAG_IGNORE_GLOBAL_SETTING); |
| } |
| } |
| } |