/*
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* Copyright (C) 2012 The Android Open Source Project
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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package com.android.keyguard;
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import android.content.Context;
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import android.content.res.TypedArray;
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import android.os.PowerManager;
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import android.os.SystemClock;
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import android.util.AttributeSet;
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import android.view.HapticFeedbackConstants;
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import android.view.LayoutInflater;
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import android.view.MotionEvent;
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import android.view.View;
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import android.view.ViewGroup;
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import android.widget.TextView;
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import com.android.internal.widget.LockPatternUtils;
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public class NumPadKey extends ViewGroup {
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// list of "ABC", etc per digit, starting with '0'
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static String sKlondike[];
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private int mDigit = -1;
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private int mTextViewResId;
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private PasswordTextView mTextView;
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private TextView mDigitText;
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private TextView mKlondikeText;
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private boolean mEnableHaptics;
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private PowerManager mPM;
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private View.OnClickListener mListener = new View.OnClickListener() {
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@Override
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public void onClick(View thisView) {
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if (mTextView == null && mTextViewResId > 0) {
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final View v = NumPadKey.this.getRootView().findViewById(mTextViewResId);
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if (v != null && v instanceof PasswordTextView) {
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mTextView = (PasswordTextView) v;
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}
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}
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if (mTextView != null && mTextView.isEnabled()) {
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mTextView.append(Character.forDigit(mDigit, 10));
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}
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userActivity();
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}
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};
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public void userActivity() {
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mPM.userActivity(SystemClock.uptimeMillis(), false);
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}
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public NumPadKey(Context context) {
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this(context, null);
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}
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public NumPadKey(Context context, AttributeSet attrs) {
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this(context, attrs, 0);
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}
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public NumPadKey(Context context, AttributeSet attrs, int defStyle) {
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this(context, attrs, defStyle, R.layout.keyguard_num_pad_key);
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}
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protected NumPadKey(Context context, AttributeSet attrs, int defStyle, int contentResource) {
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super(context, attrs, defStyle);
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setFocusable(true);
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TypedArray a = context.obtainStyledAttributes(attrs, R.styleable.NumPadKey);
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try {
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mDigit = a.getInt(R.styleable.NumPadKey_digit, mDigit);
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mTextViewResId = a.getResourceId(R.styleable.NumPadKey_textView, 0);
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} finally {
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a.recycle();
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}
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setOnClickListener(mListener);
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setOnHoverListener(new LiftToActivateListener(context));
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mEnableHaptics = new LockPatternUtils(context).isTactileFeedbackEnabled();
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mPM = (PowerManager) mContext.getSystemService(Context.POWER_SERVICE);
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LayoutInflater inflater = (LayoutInflater) getContext().getSystemService(
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Context.LAYOUT_INFLATER_SERVICE);
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inflater.inflate(contentResource, this, true);
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mDigitText = (TextView) findViewById(R.id.digit_text);
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mDigitText.setText(Integer.toString(mDigit));
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mKlondikeText = (TextView) findViewById(R.id.klondike_text);
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if (mDigit >= 0) {
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if (sKlondike == null) {
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sKlondike = getResources().getStringArray(R.array.lockscreen_num_pad_klondike);
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}
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if (sKlondike != null && sKlondike.length > mDigit) {
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String klondike = sKlondike[mDigit];
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final int len = klondike.length();
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if (len > 0) {
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mKlondikeText.setText(klondike);
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} else {
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mKlondikeText.setVisibility(View.INVISIBLE);
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}
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}
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}
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a = context.obtainStyledAttributes(attrs, android.R.styleable.View);
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if (!a.hasValueOrEmpty(android.R.styleable.View_background)) {
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setBackground(mContext.getDrawable(R.drawable.ripple_drawable_pin));
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}
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a.recycle();
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setContentDescription(mDigitText.getText().toString());
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}
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@Override
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public boolean onTouchEvent(MotionEvent event) {
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if (event.getActionMasked() == MotionEvent.ACTION_DOWN) {
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doHapticKeyClick();
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}
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return super.onTouchEvent(event);
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}
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@Override
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protected void onMeasure(int widthMeasureSpec, int heightMeasureSpec) {
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super.onMeasure(widthMeasureSpec, heightMeasureSpec);
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measureChildren(widthMeasureSpec, heightMeasureSpec);
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}
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@Override
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protected void onLayout(boolean changed, int l, int t, int r, int b) {
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int digitHeight = mDigitText.getMeasuredHeight();
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int klondikeHeight = mKlondikeText.getMeasuredHeight();
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int totalHeight = digitHeight + klondikeHeight;
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int top = getHeight() / 2 - totalHeight / 2;
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int centerX = getWidth() / 2;
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int left = centerX - mDigitText.getMeasuredWidth() / 2;
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int bottom = top + digitHeight;
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mDigitText.layout(left, top, left + mDigitText.getMeasuredWidth(), bottom);
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top = (int) (bottom - klondikeHeight * 0.35f);
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bottom = top + klondikeHeight;
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left = centerX - mKlondikeText.getMeasuredWidth() / 2;
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mKlondikeText.layout(left, top, left + mKlondikeText.getMeasuredWidth(), bottom);
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}
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@Override
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public boolean hasOverlappingRendering() {
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return false;
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}
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// Cause a VIRTUAL_KEY vibration
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public void doHapticKeyClick() {
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if (mEnableHaptics) {
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performHapticFeedback(HapticFeedbackConstants.VIRTUAL_KEY,
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HapticFeedbackConstants.FLAG_IGNORE_VIEW_SETTING
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| HapticFeedbackConstants.FLAG_IGNORE_GLOBAL_SETTING);
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}
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}
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}
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