1/* 2 * Copyright (C) 2012 The Android Open Source Project 3 * 4 * Licensed under the Apache License, Version 2.0 (the "License"); 5 * you may not use this file except in compliance with the License. 6 * You may obtain a copy of the License at 7 * 8 * http://www.apache.org/licenses/LICENSE-2.0 9 * 10 * Unless required by applicable law or agreed to in writing, software 11 * distributed under the License is distributed on an "AS IS" BASIS, 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13 * See the License for the specific language governing permissions and 14 * limitations under the License. 15 */ 16 17package com.android.keyguard; 18 19import com.android.internal.telephony.ITelephony; 20 21import android.content.Context; 22import android.app.Activity; 23import android.app.Dialog; 24import android.app.ProgressDialog; 25import android.os.RemoteException; 26import android.os.ServiceManager; 27import android.text.Editable; 28import android.text.InputType; 29import android.text.TextWatcher; 30import android.text.method.DigitsKeyListener; 31import android.util.AttributeSet; 32import android.view.View; 33import android.view.WindowManager; 34import android.widget.TextView.OnEditorActionListener; 35 36/** 37 * Displays a PIN pad for unlocking. 38 */ 39public class KeyguardSimPinView extends KeyguardAbsKeyInputView 40 implements KeyguardSecurityView, OnEditorActionListener, TextWatcher { 41 42 private ProgressDialog mSimUnlockProgressDialog = null; 43 private volatile boolean mSimCheckInProgress; 44 45 public KeyguardSimPinView(Context context) { 46 this(context, null); 47 } 48 49 public KeyguardSimPinView(Context context, AttributeSet attrs) { 50 super(context, attrs); 51 } 52 53 public void resetState() { 54 mSecurityMessageDisplay.setMessage(R.string.kg_sim_pin_instructions, true); 55 mPasswordEntry.setEnabled(true); 56 } 57 58 @Override 59 protected boolean shouldLockout(long deadline) { 60 // SIM PIN doesn't have a timed lockout 61 return false; 62 } 63 64 @Override 65 protected int getPasswordTextViewId() { 66 return R.id.pinEntry; 67 } 68 69 @Override 70 protected void onFinishInflate() { 71 super.onFinishInflate(); 72 73 final View ok = findViewById(R.id.key_enter); 74 if (ok != null) { 75 ok.setOnClickListener(new View.OnClickListener() { 76 @Override 77 public void onClick(View v) { 78 doHapticKeyClick(); 79 verifyPasswordAndUnlock(); 80 } 81 }); 82 } 83 84 // The delete button is of the PIN keyboard itself in some (e.g. tablet) layouts, 85 // not a separate view 86 View pinDelete = findViewById(R.id.delete_button); 87 if (pinDelete != null) { 88 pinDelete.setVisibility(View.VISIBLE); 89 pinDelete.setOnClickListener(new OnClickListener() { 90 public void onClick(View v) { 91 CharSequence str = mPasswordEntry.getText(); 92 if (str.length() > 0) { 93 mPasswordEntry.setText(str.subSequence(0, str.length()-1)); 94 } 95 doHapticKeyClick(); 96 } 97 }); 98 pinDelete.setOnLongClickListener(new View.OnLongClickListener() { 99 public boolean onLongClick(View v) { 100 mPasswordEntry.setText(""); 101 doHapticKeyClick(); 102 return true; 103 } 104 }); 105 } 106 107 mPasswordEntry.setKeyListener(DigitsKeyListener.getInstance()); 108 mPasswordEntry.setInputType(InputType.TYPE_CLASS_NUMBER 109 | InputType.TYPE_NUMBER_VARIATION_PASSWORD); 110 111 mPasswordEntry.requestFocus(); 112 } 113 114 @Override 115 public void showUsabilityHint() { 116 } 117 118 @Override 119 public void onPause() { 120 // dismiss the dialog. 121 if (mSimUnlockProgressDialog != null) { 122 mSimUnlockProgressDialog.dismiss(); 123 mSimUnlockProgressDialog = null; 124 } 125 } 126 127 /** 128 * Since the IPC can block, we want to run the request in a separate thread 129 * with a callback. 130 */ 131 private abstract class CheckSimPin extends Thread { 132 private final String mPin; 133 134 protected CheckSimPin(String pin) { 135 mPin = pin; 136 } 137 138 abstract void onSimCheckResponse(boolean success); 139 140 @Override 141 public void run() { 142 try { 143 final boolean result = ITelephony.Stub.asInterface(ServiceManager 144 .checkService("phone")).supplyPin(mPin); 145 post(new Runnable() { 146 public void run() { 147 onSimCheckResponse(result); 148 } 149 }); 150 } catch (RemoteException e) { 151 post(new Runnable() { 152 public void run() { 153 onSimCheckResponse(false); 154 } 155 }); 156 } 157 } 158 } 159 160 private Dialog getSimUnlockProgressDialog() { 161 if (mSimUnlockProgressDialog == null) { 162 mSimUnlockProgressDialog = new ProgressDialog(mContext); 163 mSimUnlockProgressDialog.setMessage( 164 mContext.getString(R.string.kg_sim_unlock_progress_dialog_message)); 165 mSimUnlockProgressDialog.setIndeterminate(true); 166 mSimUnlockProgressDialog.setCancelable(false); 167 if (!(mContext instanceof Activity)) { 168 mSimUnlockProgressDialog.getWindow().setType( 169 WindowManager.LayoutParams.TYPE_KEYGUARD_DIALOG); 170 } 171 } 172 return mSimUnlockProgressDialog; 173 } 174 175 @Override 176 protected void verifyPasswordAndUnlock() { 177 String entry = mPasswordEntry.getText().toString(); 178 179 if (entry.length() < 4) { 180 // otherwise, display a message to the user, and don't submit. 181 mSecurityMessageDisplay.setMessage(R.string.kg_invalid_sim_pin_hint, true); 182 mPasswordEntry.setText(""); 183 mCallback.userActivity(0); 184 return; 185 } 186 187 getSimUnlockProgressDialog().show(); 188 189 if (!mSimCheckInProgress) { 190 mSimCheckInProgress = true; // there should be only one 191 new CheckSimPin(mPasswordEntry.getText().toString()) { 192 void onSimCheckResponse(final boolean success) { 193 post(new Runnable() { 194 public void run() { 195 if (mSimUnlockProgressDialog != null) { 196 mSimUnlockProgressDialog.hide(); 197 } 198 if (success) { 199 // before closing the keyguard, report back that the sim is unlocked 200 // so it knows right away. 201 KeyguardUpdateMonitor.getInstance(getContext()).reportSimUnlocked(); 202 mCallback.dismiss(true); 203 } else { 204 mSecurityMessageDisplay.setMessage 205 (R.string.kg_password_wrong_pin_code, true); 206 mPasswordEntry.setText(""); 207 } 208 mCallback.userActivity(0); 209 mSimCheckInProgress = false; 210 } 211 }); 212 } 213 }.start(); 214 } 215 } 216} 217 218