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 17 package com.android.keyguard; 18 19 import android.content.Context; 20 import android.content.res.ColorStateList; 21 import android.content.res.Resources; 22 import android.app.Activity; 23 import android.app.AlertDialog; 24 import android.app.Dialog; 25 import android.app.ProgressDialog; 26 import android.graphics.Color; 27 import android.os.RemoteException; 28 import android.os.ServiceManager; 29 import android.telephony.SubscriptionInfo; 30 import android.telephony.SubscriptionManager; 31 import android.telephony.TelephonyManager; 32 import android.util.AttributeSet; 33 import android.util.Log; 34 import android.view.WindowManager; 35 import android.widget.ImageView; 36 37 import com.android.internal.telephony.ITelephony; 38 import com.android.internal.telephony.IccCardConstants; 39 import com.android.internal.telephony.PhoneConstants; 40 import com.android.internal.telephony.IccCardConstants.State; 41 42 43 /** 44 * Displays a PIN pad for entering a PUK (Pin Unlock Kode) provided by a carrier. 45 */ 46 public class KeyguardSimPukView extends KeyguardPinBasedInputView { 47 private static final String LOG_TAG = "KeyguardSimPukView"; 48 private static final boolean DEBUG = KeyguardConstants.DEBUG; 49 public static final String TAG = "KeyguardSimPukView"; 50 51 private ProgressDialog mSimUnlockProgressDialog = null; 52 private CheckSimPuk mCheckSimPukThread; 53 private String mPukText; 54 private String mPinText; 55 private StateMachine mStateMachine = new StateMachine(); 56 private AlertDialog mRemainingAttemptsDialog; 57 private int mSubId; 58 private ImageView mSimImageView; 59 60 KeyguardUpdateMonitorCallback mUpdateMonitorCallback = new KeyguardUpdateMonitorCallback() { 61 @Override 62 public void onSimStateChanged(int subId, int slotId, State simState) { 63 if (DEBUG) Log.v(TAG, "onSimStateChanged(subId=" + subId + ",state=" + simState + ")"); 64 resetState(); 65 }; 66 }; 67 68 public KeyguardSimPukView(Context context) { 69 this(context, null); 70 } 71 72 public KeyguardSimPukView(Context context, AttributeSet attrs) { 73 super(context, attrs); 74 } 75 76 private class StateMachine { 77 final int ENTER_PUK = 0; 78 final int ENTER_PIN = 1; 79 final int CONFIRM_PIN = 2; 80 final int DONE = 3; 81 private int state = ENTER_PUK; 82 83 public void next() { 84 int msg = 0; 85 if (state == ENTER_PUK) { 86 if (checkPuk()) { 87 state = ENTER_PIN; 88 msg = R.string.kg_puk_enter_pin_hint; 89 } else { 90 msg = R.string.kg_invalid_sim_puk_hint; 91 } 92 } else if (state == ENTER_PIN) { 93 if (checkPin()) { 94 state = CONFIRM_PIN; 95 msg = R.string.kg_enter_confirm_pin_hint; 96 } else { 97 msg = R.string.kg_invalid_sim_pin_hint; 98 } 99 } else if (state == CONFIRM_PIN) { 100 if (confirmPin()) { 101 state = DONE; 102 msg = R.string.keyguard_sim_unlock_progress_dialog_message; 103 updateSim(); 104 } else { 105 state = ENTER_PIN; // try again? 106 msg = R.string.kg_invalid_confirm_pin_hint; 107 } 108 } 109 resetPasswordText(true); 110 if (msg != 0) { 111 mSecurityMessageDisplay.setMessage(msg, true); 112 } 113 } 114 115 void reset() { 116 mPinText=""; 117 mPukText=""; 118 state = ENTER_PUK; 119 KeyguardUpdateMonitor monitor = KeyguardUpdateMonitor.getInstance(mContext); 120 mSubId = monitor.getNextSubIdForState(IccCardConstants.State.PUK_REQUIRED); 121 if (SubscriptionManager.isValidSubscriptionId(mSubId)) { 122 int count = TelephonyManager.getDefault().getSimCount(); 123 Resources rez = getResources(); 124 final String msg; 125 int color = Color.WHITE; 126 if (count < 2) { 127 msg = rez.getString(R.string.kg_puk_enter_puk_hint); 128 } else { 129 SubscriptionInfo info = monitor.getSubscriptionInfoForSubId(mSubId); 130 CharSequence displayName = info != null ? info.getDisplayName() : ""; 131 msg = rez.getString(R.string.kg_puk_enter_puk_hint_multi, displayName); 132 if (info != null) { 133 color = info.getIconTint(); 134 } 135 } 136 mSecurityMessageDisplay.setMessage(msg, true); 137 mSimImageView.setImageTintList(ColorStateList.valueOf(color)); 138 } 139 mPasswordEntry.requestFocus(); 140 } 141 } 142 143 private String getPukPasswordErrorMessage(int attemptsRemaining) { 144 String displayMessage; 145 146 if (attemptsRemaining == 0) { 147 displayMessage = getContext().getString(R.string.kg_password_wrong_puk_code_dead); 148 } else if (attemptsRemaining > 0) { 149 displayMessage = getContext().getResources() 150 .getQuantityString(R.plurals.kg_password_wrong_puk_code, attemptsRemaining, 151 attemptsRemaining); 152 } else { 153 displayMessage = getContext().getString(R.string.kg_password_puk_failed); 154 } 155 if (DEBUG) Log.d(LOG_TAG, "getPukPasswordErrorMessage:" 156 + " attemptsRemaining=" + attemptsRemaining + " displayMessage=" + displayMessage); 157 return displayMessage; 158 } 159 160 public void resetState() { 161 super.resetState(); 162 mStateMachine.reset(); 163 } 164 165 @Override 166 protected boolean shouldLockout(long deadline) { 167 // SIM PUK doesn't have a timed lockout 168 return false; 169 } 170 171 @Override 172 protected int getPasswordTextViewId() { 173 return R.id.pukEntry; 174 } 175 176 @Override 177 protected void onFinishInflate() { 178 super.onFinishInflate(); 179 180 mSecurityMessageDisplay.setTimeout(0); // don't show ownerinfo/charging status by default 181 if (mEcaView instanceof EmergencyCarrierArea) { 182 ((EmergencyCarrierArea) mEcaView).setCarrierTextVisible(true); 183 } 184 mSimImageView = (ImageView) findViewById(R.id.keyguard_sim); 185 } 186 187 @Override 188 protected void onAttachedToWindow() { 189 super.onAttachedToWindow(); 190 KeyguardUpdateMonitor.getInstance(mContext).registerCallback(mUpdateMonitorCallback); 191 } 192 193 @Override 194 protected void onDetachedFromWindow() { 195 super.onDetachedFromWindow(); 196 KeyguardUpdateMonitor.getInstance(mContext).removeCallback(mUpdateMonitorCallback); 197 } 198 199 @Override 200 public void showUsabilityHint() { 201 } 202 203 @Override 204 public void onPause() { 205 // dismiss the dialog. 206 if (mSimUnlockProgressDialog != null) { 207 mSimUnlockProgressDialog.dismiss(); 208 mSimUnlockProgressDialog = null; 209 } 210 } 211 212 /** 213 * Since the IPC can block, we want to run the request in a separate thread 214 * with a callback. 215 */ 216 private abstract class CheckSimPuk extends Thread { 217 218 private final String mPin, mPuk; 219 private final int mSubId; 220 221 protected CheckSimPuk(String puk, String pin, int subId) { 222 mPuk = puk; 223 mPin = pin; 224 mSubId = subId; 225 } 226 227 abstract void onSimLockChangedResponse(final int result, final int attemptsRemaining); 228 229 @Override 230 public void run() { 231 try { 232 if (DEBUG) Log.v(TAG, "call supplyPukReportResult()"); 233 final int[] result = ITelephony.Stub.asInterface(ServiceManager 234 .checkService("phone")).supplyPukReportResultForSubscriber(mSubId, mPuk, mPin); 235 if (DEBUG) { 236 Log.v(TAG, "supplyPukReportResult returned: " + result[0] + " " + result[1]); 237 } 238 post(new Runnable() { 239 public void run() { 240 onSimLockChangedResponse(result[0], result[1]); 241 } 242 }); 243 } catch (RemoteException e) { 244 Log.e(TAG, "RemoteException for supplyPukReportResult:", e); 245 post(new Runnable() { 246 public void run() { 247 onSimLockChangedResponse(PhoneConstants.PIN_GENERAL_FAILURE, -1); 248 } 249 }); 250 } 251 } 252 } 253 254 private Dialog getSimUnlockProgressDialog() { 255 if (mSimUnlockProgressDialog == null) { 256 mSimUnlockProgressDialog = new ProgressDialog(mContext); 257 mSimUnlockProgressDialog.setMessage( 258 mContext.getString(R.string.kg_sim_unlock_progress_dialog_message)); 259 mSimUnlockProgressDialog.setIndeterminate(true); 260 mSimUnlockProgressDialog.setCancelable(false); 261 if (!(mContext instanceof Activity)) { 262 mSimUnlockProgressDialog.getWindow().setType( 263 WindowManager.LayoutParams.TYPE_KEYGUARD_DIALOG); 264 } 265 } 266 return mSimUnlockProgressDialog; 267 } 268 269 private Dialog getPukRemainingAttemptsDialog(int remaining) { 270 String msg = getPukPasswordErrorMessage(remaining); 271 if (mRemainingAttemptsDialog == null) { 272 AlertDialog.Builder builder = new AlertDialog.Builder(mContext); 273 builder.setMessage(msg); 274 builder.setCancelable(false); 275 builder.setNeutralButton(R.string.ok, null); 276 mRemainingAttemptsDialog = builder.create(); 277 mRemainingAttemptsDialog.getWindow().setType( 278 WindowManager.LayoutParams.TYPE_KEYGUARD_DIALOG); 279 } else { 280 mRemainingAttemptsDialog.setMessage(msg); 281 } 282 return mRemainingAttemptsDialog; 283 } 284 285 private boolean checkPuk() { 286 // make sure the puk is at least 8 digits long. 287 if (mPasswordEntry.getText().length() == 8) { 288 mPukText = mPasswordEntry.getText(); 289 return true; 290 } 291 return false; 292 } 293 294 private boolean checkPin() { 295 // make sure the PIN is between 4 and 8 digits 296 int length = mPasswordEntry.getText().length(); 297 if (length >= 4 && length <= 8) { 298 mPinText = mPasswordEntry.getText(); 299 return true; 300 } 301 return false; 302 } 303 304 public boolean confirmPin() { 305 return mPinText.equals(mPasswordEntry.getText()); 306 } 307 308 private void updateSim() { 309 getSimUnlockProgressDialog().show(); 310 311 if (mCheckSimPukThread == null) { 312 mCheckSimPukThread = new CheckSimPuk(mPukText, mPinText, mSubId) { 313 void onSimLockChangedResponse(final int result, final int attemptsRemaining) { 314 post(new Runnable() { 315 public void run() { 316 if (mSimUnlockProgressDialog != null) { 317 mSimUnlockProgressDialog.hide(); 318 } 319 resetPasswordText(true /* animate */); 320 if (result == PhoneConstants.PIN_RESULT_SUCCESS) { 321 KeyguardUpdateMonitor.getInstance(getContext()) 322 .reportSimUnlocked(mSubId); 323 mCallback.dismiss(true); 324 } else { 325 if (result == PhoneConstants.PIN_PASSWORD_INCORRECT) { 326 if (attemptsRemaining <= 2) { 327 // this is getting critical - show dialog 328 getPukRemainingAttemptsDialog(attemptsRemaining).show(); 329 } else { 330 // show message 331 mSecurityMessageDisplay.setMessage( 332 getPukPasswordErrorMessage(attemptsRemaining), true); 333 } 334 } else { 335 mSecurityMessageDisplay.setMessage(getContext().getString( 336 R.string.kg_password_puk_failed), true); 337 } 338 if (DEBUG) Log.d(LOG_TAG, "verifyPasswordAndUnlock " 339 + " UpdateSim.onSimCheckResponse: " 340 + " attemptsRemaining=" + attemptsRemaining); 341 mStateMachine.reset(); 342 } 343 mCheckSimPukThread = null; 344 } 345 }); 346 } 347 }; 348 mCheckSimPukThread.start(); 349 } 350 } 351 352 @Override 353 protected void verifyPasswordAndUnlock() { 354 mStateMachine.next(); 355 } 356 357 @Override 358 public void startAppearAnimation() { 359 // noop. 360 } 361 362 @Override 363 public boolean startDisappearAnimation(Runnable finishRunnable) { 364 return false; 365 } 366 } 367 368 369
