1 files changed, 136 insertions, 0 deletions
diff --git a/src/com/android/settings/BiometricWeakLiveliness.java b/src/com/android/settings/BiometricWeakLiveliness.java
new file mode 100644
index 0000000..6bba77f
--- /dev/null
+++ b/src/com/android/settings/BiometricWeakLiveliness.java
@@ -0,0 +1,136 @@
+/*
+ * 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.settings;
+
+import android.app.ActionBar;
+import android.app.Activity;
+import android.app.Fragment;
+import android.os.Bundle;
+import android.os.Handler;
+import android.content.Intent;
+import android.preference.PreferenceActivity;
+import android.util.Log;
+import android.view.Gravity;
+import android.view.LayoutInflater;
+import android.view.View;
+import android.view.ViewGroup;
+import android.widget.CompoundButton;
+import android.widget.Switch;
+import com.android.settings.R;
+
+import com.android.internal.widget.LockPatternUtils;
+
+public class BiometricWeakLiveliness extends Fragment
+        implements CompoundButton.OnCheckedChangeListener {
+    private static final int CONFIRM_EXISTING_FOR_BIOMETRIC_WEAK_LIVELINESS_OFF = 125;
+
+    private View mView;
+    private ChooseLockSettingsHelper mChooseLockSettingsHelper;
+    private LockPatternUtils mLockPatternUtils;
+    private Switch mActionBarSwitch;
+    private boolean mSuppressCheckChanged;
+
+    @Override
+    public void onCreate(Bundle savedInstanceState) {
+        super.onCreate(savedInstanceState);
+        Activity activity = getActivity();
+
+        mActionBarSwitch = new Switch(activity);
+        mSuppressCheckChanged = false;
+
+        if (activity instanceof PreferenceActivity) {
+            PreferenceActivity preferenceActivity = (PreferenceActivity) activity;
+            if (preferenceActivity.onIsHidingHeaders() || !preferenceActivity.onIsMultiPane()) {
+                final int padding = activity.getResources().getDimensionPixelSize(
+                        R.dimen.action_bar_switch_padding);
+                mActionBarSwitch.setPadding(0, 0, padding, 0);
+                activity.getActionBar().setDisplayOptions(ActionBar.DISPLAY_SHOW_CUSTOM,
+                        ActionBar.DISPLAY_SHOW_CUSTOM);
+                activity.getActionBar().setCustomView(mActionBarSwitch, new ActionBar.LayoutParams(
+                        ActionBar.LayoutParams.WRAP_CONTENT,
+                        ActionBar.LayoutParams.WRAP_CONTENT,
+                        Gravity.CENTER_VERTICAL | Gravity.RIGHT));
+                activity.getActionBar().setTitle(R.string.biometric_weak_liveliness_title);
+            }
+        }
+
+        mActionBarSwitch.setOnCheckedChangeListener(this);
+
+        mLockPatternUtils = new LockPatternUtils(getActivity());
+        mChooseLockSettingsHelper = new ChooseLockSettingsHelper(getActivity());
+        mActionBarSwitch.setChecked(mLockPatternUtils.isBiometricWeakLivelinessEnabled());
+    }
+
+    @Override
+    public View onCreateView(LayoutInflater inflater, ViewGroup container,
+            Bundle savedInstanceState) {
+        mView = inflater.inflate(R.layout.biometric_weak_liveliness, container, false);
+        initView(mView);
+        return mView;
+    }
+
+    private void initView(View view) {
+        mActionBarSwitch.setOnCheckedChangeListener(this);
+        mActionBarSwitch.setChecked(mLockPatternUtils.isBiometricWeakLivelinessEnabled());
+    }
+
+    @Override
+    public void onCheckedChanged(CompoundButton buttonView, boolean desiredState) {
+        if (mSuppressCheckChanged) {
+            return;
+        }
+        mActionBarSwitch.setEnabled(false);
+        if (desiredState) {
+            mLockPatternUtils.setBiometricWeakLivelinessEnabled(true);
+            mActionBarSwitch.setChecked(true);
+        } else {
+            // In this case the user has just turned it off, but this action requires them
+            // to confirm their password.  We need to turn the switch back on until
+            // they've confirmed their password
+            mActionBarSwitch.setChecked(true);
+            mActionBarSwitch.requestLayout();
+            ChooseLockSettingsHelper helper =
+                    new ChooseLockSettingsHelper(this.getActivity(), this);
+            if (!helper.launchConfirmationActivity(
+                            CONFIRM_EXISTING_FOR_BIOMETRIC_WEAK_LIVELINESS_OFF, null, null)) {
+                // If this returns false, it means no password confirmation is required, so
+                // go ahead and turn it off here.
+                // Note: currently a backup is required for biometric_weak so this code path
+                // can't be reached, but is here in case things change in the future
+                mLockPatternUtils.setBiometricWeakLivelinessEnabled(false);
+                mActionBarSwitch.setChecked(false);
+                mActionBarSwitch.requestLayout();
+            }
+        }
+        mActionBarSwitch.setEnabled(true);
+    }
+
+    @Override
+    public void onActivityResult(int requestCode, int resultCode, Intent data) {
+        super.onActivityResult(requestCode, resultCode, data);
+        if (requestCode == CONFIRM_EXISTING_FOR_BIOMETRIC_WEAK_LIVELINESS_OFF &&
+                resultCode == Activity.RESULT_OK) {
+            final LockPatternUtils lockPatternUtils = mChooseLockSettingsHelper.utils();
+            lockPatternUtils.setBiometricWeakLivelinessEnabled(false);
+            mSuppressCheckChanged = true;
+            mActionBarSwitch.setChecked(false);
+            mSuppressCheckChanged = false;
+            return;
+        }
+    }
+
+}