src/com/android/settings/ChooseLockPatternSize.java

   1 /*
   2  * Copyright (C) 2012-2013 The CyanogenMod 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.settings;
  18
  19 import android.content.Intent;
  20 import android.os.Bundle;
  21 import android.preference.PreferenceActivity;
  22 import android.support.v7.preference.Preference;
  23 import android.support.v7.preference.PreferenceScreen;
  24
  25 import com.android.internal.widget.LockPatternUtils;
  26
  27 import org.cyanogenmod.internal.logging.CMMetricsLogger;
  28
  29 public class ChooseLockPatternSize extends PreferenceActivity {
  30
  31     @Override
  32     public Intent getIntent() {
  33         Intent modIntent = new Intent(super.getIntent());
  34         modIntent.putExtra(EXTRA_SHOW_FRAGMENT, ChooseLockPatternSizeFragment.class.getName());
  35         modIntent.putExtra(EXTRA_NO_HEADERS, true);
  36         return modIntent;
  37     }
  38
  39     @Override
  40     protected boolean isValidFragment(String fragmentName) {
  41         if (ChooseLockPatternSizeFragment.class.getName().equals(fragmentName)) return true;
  42         return false;
  43     }
  44
  45     public static class ChooseLockPatternSizeFragment extends SettingsPreferenceFragment {
  46         private ChooseLockSettingsHelper mChooseLockSettingsHelper;
  47
  48         @Override
  49         public void onCreate(Bundle savedInstanceState) {
  50             super.onCreate(savedInstanceState);
  51             mChooseLockSettingsHelper = new ChooseLockSettingsHelper(this.getActivity());
  52             if (!(getActivity() instanceof ChooseLockPatternSize)) {
  53                 throw new SecurityException("Fragment contained in wrong activity");
  54             }
  55             addPreferencesFromResource(R.xml.security_settings_pattern_size);
  56         }
  57
  58         @Override
  59         public boolean onPreferenceTreeClick(Preference preference) {
  60             final String key = preference.getKey();
  61
  62             byte patternSize;
  63             if ("lock_pattern_size_4".equals(key)) {
  64                 patternSize = 4;
  65             } else if ("lock_pattern_size_5".equals(key)) {
  66                 patternSize = 5;
  67             } else if ("lock_pattern_size_6".equals(key)) {
  68                 patternSize = 6;
  69             } else {
  70                 patternSize = 3;
  71             }
  72
  73             final boolean isFallback = getActivity().getIntent()
  74                 .getBooleanExtra(LockPatternUtils.LOCKSCREEN_BIOMETRIC_WEAK_FALLBACK, false);
  75
  76             Intent intent = new Intent(getActivity(), ChooseLockPattern.class);
  77             intent.putExtra("pattern_size", patternSize);
  78             intent.putExtra("key_lock_method", "pattern");
  79             intent.putExtra("confirm_credentials", false);
  80             intent.putExtra(LockPatternUtils.LOCKSCREEN_BIOMETRIC_WEAK_FALLBACK,
  81                     isFallback);
  82
  83             Intent originatingIntent = getActivity().getIntent();
  84             // Forward the challenge extras if available in originating intent.
  85             if (originatingIntent.hasExtra(ChooseLockSettingsHelper.EXTRA_KEY_HAS_CHALLENGE)) {
  86                 intent.putExtra(ChooseLockSettingsHelper.EXTRA_KEY_HAS_CHALLENGE,
  87                         originatingIntent.getBooleanExtra(
  88                                 ChooseLockSettingsHelper.EXTRA_KEY_HAS_CHALLENGE, false));
  89
  90                 intent.putExtra(ChooseLockSettingsHelper.EXTRA_KEY_CHALLENGE,
  91                         originatingIntent.getLongExtra(
  92                                 ChooseLockSettingsHelper.EXTRA_KEY_CHALLENGE, 0));
  93             }
  94             // Forward the Encryption interstitial required password selection
  95             if (originatingIntent.hasExtra(EncryptionInterstitial.EXTRA_REQUIRE_PASSWORD)) {
  96                 intent.putExtra(EncryptionInterstitial.EXTRA_REQUIRE_PASSWORD, originatingIntent
  97                         .getBooleanExtra(EncryptionInterstitial.EXTRA_REQUIRE_PASSWORD, true));
  98             }
  99             intent.addFlags(Intent.FLAG_ACTIVITY_FORWARD_RESULT);
 100             startActivity(intent);
 101
 102             finish();
 103             return true;
 104         }
 105
 106         @Override
 107         protected int getMetricsCategory() {
 108             return CMMetricsLogger.CHOOSE_LOCK_PATTERN_SIZE;
 109         }
 110     }
 111 }