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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.text.InputType;
import android.text.TextWatcher;
import android.text.method.DigitsKeyListener;
import android.util.AttributeSet;
import android.view.View;
import android.widget.TextView.OnEditorActionListener;
/**
* Displays a PIN pad for unlocking.
*/
public class KeyguardPINView extends KeyguardAbsKeyInputView
implements KeyguardSecurityView, OnEditorActionListener, TextWatcher {
public KeyguardPINView(Context context) {
this(context, null);
}
public KeyguardPINView(Context context, AttributeSet attrs) {
super(context, attrs);
}
protected void resetState() {
if (KeyguardUpdateMonitor.getInstance(mContext).getMaxBiometricUnlockAttemptsReached()) {
mSecurityMessageDisplay.setMessage(R.string.faceunlock_multiple_failures, true);
} else {
mSecurityMessageDisplay.setMessage(R.string.kg_pin_instructions, false);
}
mPasswordEntry.setEnabled(true);
}
@Override
protected int getPasswordTextViewId() {
return R.id.pinEntry;
}
@Override
protected void onFinishInflate() {
super.onFinishInflate();
final View ok = findViewById(R.id.key_enter);
if (ok != null) {
ok.setOnClickListener(new View.OnClickListener() {
@Override
public void onClick(View v) {
doHapticKeyClick();
if (mPasswordEntry.isEnabled()) {
verifyPasswordAndUnlock();
}
}
});
ok.setOnHoverListener(new LiftToActivateListener(getContext()));
}
// The delete button is of the PIN keyboard itself in some (e.g. tablet) layouts,
// not a separate view
View pinDelete = findViewById(R.id.delete_button);
if (pinDelete != null) {
pinDelete.setVisibility(View.VISIBLE);
pinDelete.setOnClickListener(new OnClickListener() {
public void onClick(View v) {
// check for time-based lockouts
if (mPasswordEntry.isEnabled()) {
CharSequence str = mPasswordEntry.getText();
if (str.length() > 0) {
mPasswordEntry.setText(str.subSequence(0, str.length()-1));
}
}
doHapticKeyClick();
}
});
pinDelete.setOnLongClickListener(new View.OnLongClickListener() {
public boolean onLongClick(View v) {
// check for time-based lockouts
if (mPasswordEntry.isEnabled()) {
mPasswordEntry.setText("");
}
doHapticKeyClick();
return true;
}
});
}
mPasswordEntry.setKeyListener(DigitsKeyListener.getInstance());
mPasswordEntry.setInputType(InputType.TYPE_CLASS_NUMBER
| InputType.TYPE_NUMBER_VARIATION_PASSWORD);
mPasswordEntry.requestFocus();
}
@Override
public void showUsabilityHint() {
}
@Override
public int getWrongPasswordStringId() {
return R.string.kg_wrong_pin;
}
@Override
public void startAppearAnimation() {
// TODO: Fancy animation.
setAlpha(0);
animate().alpha(1).withLayer().setDuration(200);
}
}
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