Add Night display settings conditional

Bug: 30043281
Change-Id: I2464cd90f1f7f379aabf123f602e6150a87120cf

src/com/android/settings/dashboard/conditional/ConditionManager.java

@@ -142,6 +142,7 @@ public class ConditionManager {
         addIfMissing(CellularDataCondition.class, conditions);
         addIfMissing(BackgroundDataCondition.class, conditions);
         addIfMissing(WorkModeCondition.class, conditions);
+        addIfMissing(NightDisplayCondition.class, conditions);
         Collections.sort(conditions, CONDITION_COMPARATOR);
     }
 
@@ -167,6 +168,8 @@ public class ConditionManager {
             return new BackgroundDataCondition(this);
         } else if (WorkModeCondition.class == clz) {
             return new WorkModeCondition(this);
+        } else if (NightDisplayCondition.class == clz) {
+            return new NightDisplayCondition(this);
         }
         throw new RuntimeException("Unexpected Condition " + clz);
     }

src/com/android/settings/dashboard/conditional/NightDisplayCondition.java

@@ -0,0 +1,87 @@
+/*
+ * Copyright (C) 2016 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.dashboard.conditional;
+
+import android.graphics.drawable.Icon;
+
+import com.android.internal.app.NightDisplayController;
+import com.android.internal.logging.MetricsProto.MetricsEvent;
+import com.android.settings.R;
+import com.android.settings.Utils;
+import com.android.settings.display.NightDisplaySettings;
+
+public final class NightDisplayCondition extends Condition
+        implements NightDisplayController.Callback {
+
+    private NightDisplayController mController;
+
+    NightDisplayCondition(ConditionManager manager) {
+        super(manager);
+        mController = new NightDisplayController(manager.getContext());
+        mController.setListener(this);
+    }
+
+    @Override
+    public int getMetricsConstant() {
+        return MetricsEvent.SETTINGS_CONDITION_NIGHT_DISPLAY;
+    }
+
+    @Override
+    public Icon getIcon() {
+        return Icon.createWithResource(mManager.getContext(), R.drawable.ic_settings_night_display);
+    }
+
+    @Override
+    public CharSequence getTitle() {
+        return mManager.getContext().getString(R.string.condition_night_display_title);
+    }
+
+    @Override
+    public CharSequence getSummary() {
+        return mManager.getContext().getString(R.string.condition_night_display_summary);
+    }
+
+    @Override
+    public CharSequence[] getActions() {
+        return new CharSequence[] { mManager.getContext().getString(R.string.condition_turn_off) };
+    }
+
+    @Override
+    public void onPrimaryClick() {
+        Utils.startWithFragment(mManager.getContext(), NightDisplaySettings.class.getName(), null,
+                null, 0, R.string.night_display_title, null);
+    }
+
+    @Override
+    public void onActionClick(int index) {
+        if (index == 0) {
+            mController.setActivated(false);
+        } else {
+            throw new IllegalArgumentException("Unexpected index " + index);
+        }
+    }
+
+    @Override
+    public void refreshState() {
+        setActive(mController.isActivated());
+    }
+
+    @Override
+    public void onActivated(boolean activated) {
+        refreshState();
+    }
+}

src/com/android/settings/display/NightDisplaySettings.java

@@ -1,4 +1,4 @@
-/**
+/*
  * Copyright (C) 2016 The Android Open Source Project
  *
  * Licensed under the Apache License, Version 2.0 (the "License");