profiles: respect lockscreen policies

Don't allow to change lockscreen mode if there is a device administrador that avoid it

Change-Id: I2485f96fba41c60248260ee03ffa0614e94195b4
Signed-off-by: Jorge Ruesga <jorge@ruesga.com>

3 files changed, 78 insertions, 1 deletions

diff --git a/src/com/android/settings/profiles/SetupActionsFragment.java b/src/com/android/settings/profiles/SetupActionsFragment.java
index bc7cad1..bcd98be 100644
--- a/src/com/android/settings/profiles/SetupActionsFragment.java
+++ b/src/com/android/settings/profiles/SetupActionsFragment.java
@@ -26,6 +26,7 @@ import android.app.NotificationGroup;
 import cyanogenmod.profiles.LockSettings;
 import cyanogenmod.profiles.RingModeSettings;
 import cyanogenmod.profiles.StreamSettings;
+import android.app.admin.DevicePolicyManager;
 import android.bluetooth.BluetoothAdapter;
 import android.content.ContentResolver;
 import android.content.Context;
@@ -75,6 +76,7 @@ import com.android.settings.profiles.actions.item.AirplaneModeItem;
 import com.android.settings.profiles.actions.item.BrightnessItem;
 import com.android.settings.profiles.actions.item.AppGroupItem;
 import com.android.settings.profiles.actions.item.ConnectionOverrideItem;
+import com.android.settings.profiles.actions.item.DisabledItem;
 import com.android.settings.profiles.actions.item.DozeModeItem;
 import com.android.settings.profiles.actions.item.Header;
 import com.android.settings.profiles.actions.item.Item;
@@ -238,7 +240,14 @@ public class SetupActionsFragment extends SettingsPreferenceFragment
         mItems.add(new Header(getString(R.string.profile_system_settings_title)));
         mItems.add(new RingModeItem(mProfile.getRingMode()));
         mItems.add(new AirplaneModeItem(mProfile.getAirplaneMode()));
-        mItems.add(new LockModeItem(mProfile));
+        DevicePolicyManager dpm = (DevicePolicyManager) getSystemService(
+                Context.DEVICE_POLICY_SERVICE);
+        if (!dpm.requireSecureKeyguard()) {
+            mItems.add(new LockModeItem(mProfile));
+        } else {
+            mItems.add(new DisabledItem(R.string.profile_lockmode_title,
+                    R.string.profile_lockmode_policy_disabled_summary));
+        }
         mItems.add(new BrightnessItem(mProfile.getBrightness()));
 
         final Activity activity = getActivity();
diff --git a/src/com/android/settings/profiles/actions/ItemListAdapter.java b/src/com/android/settings/profiles/actions/ItemListAdapter.java
index 61bbd0d..2b26d99 100644
--- a/src/com/android/settings/profiles/actions/ItemListAdapter.java
+++ b/src/com/android/settings/profiles/actions/ItemListAdapter.java
@@ -29,6 +29,7 @@ public class ItemListAdapter extends ArrayAdapter<Item> {
 
     public enum RowType {
         HEADER_ITEM,
+        DISABLED_ITEM,
         CONNECTION_ITEM,
         VOLUME_STREAM_ITEM,
         NAME_ITEM,
diff --git a/src/com/android/settings/profiles/actions/item/DisabledItem.java b/src/com/android/settings/profiles/actions/item/DisabledItem.java
new file mode 100644
index 0000000..3b16c28
--- /dev/null
+++ b/src/com/android/settings/profiles/actions/item/DisabledItem.java
@@ -0,0 +1,67 @@
+/*
+ * Copyright (C) 2015 The CyanogenMod 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.profiles.actions.item;
+
+import android.view.LayoutInflater;
+import android.view.View;
+import android.view.ViewGroup;
+import android.widget.TextView;
+
+import com.android.settings.R;
+import com.android.settings.profiles.actions.ItemListAdapter;
+
+public class DisabledItem implements Item {
+
+    private final int mResTitle;
+    private final int mResSummary;
+
+    public DisabledItem(int resTitle, int resSummary) {
+       mResTitle = resTitle;
+       mResSummary = resSummary;
+    }
+
+    @Override
+    public ItemListAdapter.RowType getRowType() {
+        return ItemListAdapter.RowType.DISABLED_ITEM;
+    }
+
+    @Override
+    public boolean isEnabled() {
+        return false;
+    }
+
+    @Override
+    public View getView(LayoutInflater inflater, View convertView, ViewGroup parent) {
+        View view;
+        if (convertView == null) {
+            view = inflater.inflate(R.layout.list_two_line_item, parent, false);
+            // Do some initialization
+        } else {
+            view = convertView;
+        }
+
+        TextView text = (TextView) view.findViewById(R.id.title);
+        text.setText(mResTitle);
+        text.setEnabled(false);
+
+        TextView desc = (TextView) view.findViewById(R.id.summary);
+        desc.setText(mResSummary);
+        desc.setEnabled(false);
+
+        return view;
+    }
+
+}