1 files changed, 105 insertions, 0 deletions
diff --git a/src/com/android/settings/ReplaceEncryptionPassword.java b/src/com/android/settings/ReplaceEncryptionPassword.java
new file mode 100644
index 000000000..b6869d83a
--- /dev/null
+++ b/src/com/android/settings/ReplaceEncryptionPassword.java
@@ -0,0 +1,105 @@
+/*
+ * Copyright (C) 2015 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.settings;
+
+import com.android.internal.widget.LockPatternUtils;
+import com.android.internal.widget.LockPatternUtils.RequestThrottledException;
+
+import android.app.Activity;
+import android.app.Fragment;
+import android.content.Intent;
+import android.content.res.Resources;
+import android.os.Bundle;
+import android.os.storage.StorageManager;
+import android.os.UserHandle;
+import android.view.LayoutInflater;
+import android.view.View;
+import android.view.ViewGroup;
+
+public class ReplaceEncryptionPassword extends SettingsActivity {
+    @Override
+    public Intent getIntent() {
+        Intent modIntent = new Intent(super.getIntent());
+        modIntent.putExtra(EXTRA_SHOW_FRAGMENT, getFragmentClass().getName());
+        return modIntent;
+    }
+
+    @Override
+    protected boolean isValidFragment(String fragmentName) {
+        if (ReplaceEncryptionPasswordFragment.class.getName().equals(fragmentName)) return true;
+        return false;
+    }
+
+    /* package */ Class<? extends Fragment> getFragmentClass() {
+        return ReplaceEncryptionPasswordFragment.class;
+    }
+
+    public static class ReplaceEncryptionPasswordFragment extends Fragment {
+        private static final int KEYGUARD_REQUEST = 55;
+        private byte mPatternSize = LockPatternUtils.PATTERN_SIZE_DEFAULT;
+
+        @Override
+        public void onCreate(Bundle savedInstanceState) {
+            super.onCreate(savedInstanceState);
+            if (!(getActivity() instanceof ReplaceEncryptionPassword)) {
+                throw new SecurityException("Fragment contained in wrong activity");
+            }
+        }
+
+        @Override
+        public View onCreateView(LayoutInflater inflater, ViewGroup container, Bundle savedState) {
+            Resources res = getActivity().getResources();
+            ChooseLockSettingsHelper helper = new ChooseLockSettingsHelper(getActivity(), this);
+
+            helper.launchConfirmationActivity(KEYGUARD_REQUEST,
+                    res.getText(R.string.unlock_set_unlock_password_title),
+                    true);
+
+            return null;
+        }
+
+        @Override
+        public void onActivityResult(int requestCode, int resultCode, Intent data) {
+            super.onActivityResult(requestCode, resultCode, data);
+            final int userId = UserHandle.myUserId();
+
+            if (requestCode != KEYGUARD_REQUEST) {
+                return;
+            }
+
+            // If the user entered a valid keyguard trace, present the final
+            // confirmation prompt; otherwise, go back to the initial state.
+            if (resultCode == Activity.RESULT_OK && data != null) {
+                LockPatternUtils utils = new LockPatternUtils(getActivity());
+                int type = data.getIntExtra(ChooseLockSettingsHelper.EXTRA_KEY_TYPE, -1);
+                String password = data.getStringExtra(ChooseLockSettingsHelper.EXTRA_KEY_PASSWORD);
+                if (type == StorageManager.CRYPT_TYPE_PATTERN) {
+		    mPatternSize = getActivity().getIntent().getByteExtra("pattern_size",
+                    LockPatternUtils.PATTERN_SIZE_DEFAULT);
+
+                    utils.replaceSeparateEncryptionPasswordWithPattern(
+                            utils.stringToPattern(password,
+                                     mPatternSize), userId);
+                } else {
+                    utils.replaceSeparateEncryptionPassword(password);
+                }
+            }
+
+            getActivity().finish();
+        }
+    }
+}