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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 com.android.internal.telephony.ITelephony;
import android.content.Context;
import android.app.Activity;
import android.app.Dialog;
import android.app.ProgressDialog;
import android.os.RemoteException;
import android.os.ServiceManager;
import android.text.Editable;
import android.text.InputType;
import android.text.TextWatcher;
import android.text.method.DigitsKeyListener;
import android.util.AttributeSet;
import android.view.View;
import android.view.WindowManager;
import android.widget.TextView.OnEditorActionListener;
/**
* Displays a PIN pad for unlocking.
*/
public class KeyguardSimPinView extends KeyguardAbsKeyInputView
implements KeyguardSecurityView, OnEditorActionListener, TextWatcher {
private ProgressDialog mSimUnlockProgressDialog = null;
private volatile boolean mSimCheckInProgress;
public KeyguardSimPinView(Context context) {
this(context, null);
}
public KeyguardSimPinView(Context context, AttributeSet attrs) {
super(context, attrs);
}
public void resetState() {
mSecurityMessageDisplay.setMessage(R.string.kg_sim_pin_instructions, true);
mPasswordEntry.setEnabled(true);
}
@Override
protected boolean shouldLockout(long deadline) {
// SIM PIN doesn't have a timed lockout
return false;
}
@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();
verifyPasswordAndUnlock();
}
});
}
// 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) {
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) {
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 void onPause() {
// dismiss the dialog.
if (mSimUnlockProgressDialog != null) {
mSimUnlockProgressDialog.dismiss();
mSimUnlockProgressDialog = null;
}
}
/**
* Since the IPC can block, we want to run the request in a separate thread
* with a callback.
*/
private abstract class CheckSimPin extends Thread {
private final String mPin;
protected CheckSimPin(String pin) {
mPin = pin;
}
abstract void onSimCheckResponse(boolean success);
@Override
public void run() {
try {
final boolean result = ITelephony.Stub.asInterface(ServiceManager
.checkService("phone")).supplyPin(mPin);
post(new Runnable() {
public void run() {
onSimCheckResponse(result);
}
});
} catch (RemoteException e) {
post(new Runnable() {
public void run() {
onSimCheckResponse(false);
}
});
}
}
}
private Dialog getSimUnlockProgressDialog() {
if (mSimUnlockProgressDialog == null) {
mSimUnlockProgressDialog = new ProgressDialog(mContext);
mSimUnlockProgressDialog.setMessage(
mContext.getString(R.string.kg_sim_unlock_progress_dialog_message));
mSimUnlockProgressDialog.setIndeterminate(true);
mSimUnlockProgressDialog.setCancelable(false);
if (!(mContext instanceof Activity)) {
mSimUnlockProgressDialog.getWindow().setType(
WindowManager.LayoutParams.TYPE_KEYGUARD_DIALOG);
}
}
return mSimUnlockProgressDialog;
}
@Override
protected void verifyPasswordAndUnlock() {
String entry = mPasswordEntry.getText().toString();
if (entry.length() < 4) {
// otherwise, display a message to the user, and don't submit.
mSecurityMessageDisplay.setMessage(R.string.kg_invalid_sim_pin_hint, true);
mPasswordEntry.setText("");
mCallback.userActivity(0);
return;
}
getSimUnlockProgressDialog().show();
if (!mSimCheckInProgress) {
mSimCheckInProgress = true; // there should be only one
new CheckSimPin(mPasswordEntry.getText().toString()) {
void onSimCheckResponse(final boolean success) {
post(new Runnable() {
public void run() {
if (mSimUnlockProgressDialog != null) {
mSimUnlockProgressDialog.hide();
}
if (success) {
// before closing the keyguard, report back that the sim is unlocked
// so it knows right away.
KeyguardUpdateMonitor.getInstance(getContext()).reportSimUnlocked();
mCallback.dismiss(true);
} else {
mSecurityMessageDisplay.setMessage
(R.string.kg_password_wrong_pin_code, true);
mPasswordEntry.setText("");
}
mCallback.userActivity(0);
mSimCheckInProgress = false;
}
});
}
}.start();
}
}
}
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