/* * 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 com.android.internal.telephony.PhoneConstants; import android.content.Context; import android.content.DialogInterface; import android.app.Activity; import android.app.AlertDialog; import android.app.AlertDialog.Builder; import android.app.Dialog; import android.app.ProgressDialog; import android.os.Message; 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.util.Log; 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 static final String LOG_TAG = "KeyguardSimPinView"; private static final boolean DEBUG = KeyguardViewMediator.DEBUG; public static final String TAG = "KeyguardSimPinView"; private ProgressDialog mSimUnlockProgressDialog = null; private CheckSimPin mCheckSimPinThread; private AlertDialog mRemainingAttemptsDialog; 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); } private String getPinPasswordErrorMessage(int attemptsRemaining) { String displayMessage; if (attemptsRemaining == 0) { displayMessage = getContext().getString(R.string.kg_password_wrong_pin_code_pukked); } else if (attemptsRemaining > 0) { displayMessage = getContext().getResources() .getQuantityString(R.plurals.kg_password_wrong_pin_code, attemptsRemaining, attemptsRemaining); } else { displayMessage = getContext().getString(R.string.kg_password_pin_failed); } if (DEBUG) Log.d(LOG_TAG, "getPinPasswordErrorMessage:" + " attemptsRemaining=" + attemptsRemaining + " displayMessage=" + displayMessage); return displayMessage; } @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(); mSecurityMessageDisplay.setTimeout(0); // don't show ownerinfo/charging status by default } @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(final int result, final int attemptsRemaining); @Override public void run() { try { Log.v(TAG, "call supplyPinReportResult()"); final int[] result = ITelephony.Stub.asInterface(ServiceManager .checkService("phone")).supplyPinReportResult(mPin); Log.v(TAG, "supplyPinReportResult returned: " + result[0] + " " + result[1]); post(new Runnable() { public void run() { onSimCheckResponse(result[0], result[1]); } }); } catch (RemoteException e) { Log.e(TAG, "RemoteException for supplyPinReportResult:", e); post(new Runnable() { public void run() { onSimCheckResponse(PhoneConstants.PIN_GENERAL_FAILURE, -1); } }); } } } 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); mSimUnlockProgressDialog.getWindow().setType( WindowManager.LayoutParams.TYPE_KEYGUARD_DIALOG); } return mSimUnlockProgressDialog; } private Dialog getSimRemainingAttemptsDialog(int remaining) { String msg = getPinPasswordErrorMessage(remaining); if (mRemainingAttemptsDialog == null) { Builder builder = new AlertDialog.Builder(mContext); builder.setMessage(msg); builder.setCancelable(false); builder.setNeutralButton(R.string.ok, null); mRemainingAttemptsDialog = builder.create(); mRemainingAttemptsDialog.getWindow().setType( WindowManager.LayoutParams.TYPE_KEYGUARD_DIALOG); } else { mRemainingAttemptsDialog.setMessage(msg); } return mRemainingAttemptsDialog; } @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 (mCheckSimPinThread == null) { mCheckSimPinThread = new CheckSimPin(mPasswordEntry.getText().toString()) { void onSimCheckResponse(final int result, final int attemptsRemaining) { post(new Runnable() { public void run() { if (mSimUnlockProgressDialog != null) { mSimUnlockProgressDialog.hide(); } if (result == PhoneConstants.PIN_RESULT_SUCCESS) { KeyguardUpdateMonitor.getInstance(getContext()).reportSimUnlocked(); mCallback.dismiss(true); } else { if (result == PhoneConstants.PIN_PASSWORD_INCORRECT) { if (attemptsRemaining <= 2) { // this is getting critical - show dialog getSimRemainingAttemptsDialog(attemptsRemaining).show(); } else { // show message mSecurityMessageDisplay.setMessage( getPinPasswordErrorMessage(attemptsRemaining), true); } } else { // "PIN operation failed!" - no idea what this was and no way to // find out. :/ mSecurityMessageDisplay.setMessage(getContext().getString( R.string.kg_password_pin_failed), true); } if (DEBUG) Log.d(LOG_TAG, "verifyPasswordAndUnlock " + " CheckSimPin.onSimCheckResponse: " + result + " attemptsRemaining=" + attemptsRemaining); mPasswordEntry.setText(""); } mCallback.userActivity(0); mCheckSimPinThread = null; } }); } }; mCheckSimPinThread.start(); } } }