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/*
* 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.View;
import android.view.ViewGroup;
import android.widget.TextView;
import com.android.internal.widget.LockPatternUtils;
public class NumPadKey extends ViewGroup {
// list of "ABC", etc per digit, starting with '0'
static String sKlondike[];
private int mDigit = -1;
private int mTextViewResId;
private PasswordTextView mTextView;
private TextView mDigitText;
private TextView mKlondikeText;
private boolean mEnableHaptics;
private PowerManager mPM;
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();
doHapticKeyClick();
}
};
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) {
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));
setAccessibilityDelegate(new ObscureSpeechDelegate(context));
mEnableHaptics = new LockPatternUtils(context).isTactileFeedbackEnabled();
mPM = (PowerManager) mContext.getSystemService(Context.POWER_SERVICE);
LayoutInflater inflater = (LayoutInflater) getContext().getSystemService(
Context.LAYOUT_INFLATER_SERVICE);
inflater.inflate(R.layout.keyguard_num_pad_key, 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);
}
}
}
setBackground(mContext.getDrawable(R.drawable.ripple_drawable));
setContentDescription(mDigitText.getText().toString());
}
@Override
public void onDetachedFromWindow() {
super.onDetachedFromWindow();
// Reset the "announced headset" flag when detached.
ObscureSpeechDelegate.sAnnouncedHeadset = false;
}
@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 (mEnableHaptics) {
performHapticFeedback(HapticFeedbackConstants.VIRTUAL_KEY,
HapticFeedbackConstants.FLAG_IGNORE_VIEW_SETTING
| HapticFeedbackConstants.FLAG_IGNORE_GLOBAL_SETTING);
}
}
}
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