Move all contextual card related classes.

... from homepage to contextualcards.

Test: rebuild
Change-Id: Id7889566ce1e7257eb699d963ae996906fdb58ff

src/com/android/settings/homepage/contextualcards/conditional/NightDisplayConditionController.java

@@ -0,0 +1,79 @@
+/*
+ * Copyright (C) 2018 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.homepage.contextualcards.conditional;
+
+import android.content.Context;
+
+import com.android.internal.app.ColorDisplayController;
+import com.android.internal.logging.nano.MetricsProto;
+import com.android.settings.R;
+import com.android.settings.core.SubSettingLauncher;
+import com.android.settings.display.NightDisplaySettings;
+
+import java.util.Objects;
+
+public class NightDisplayConditionController implements ConditionalCardController,
+        ColorDisplayController.Callback {
+    static final int ID = Objects.hash("NightDisplayConditionController");
+
+    private final ConditionManager mConditionManager;
+    private final ColorDisplayController mController;
+
+    public NightDisplayConditionController(Context appContext, ConditionManager manager) {
+        mController = new ColorDisplayController(appContext);
+        mConditionManager = manager;
+    }
+
+    @Override
+    public long getId() {
+        return ID;
+    }
+
+    @Override
+    public boolean isDisplayable() {
+        return mController.isActivated();
+    }
+
+    @Override
+    public void onPrimaryClick(Context context) {
+        new SubSettingLauncher(context)
+                .setDestination(NightDisplaySettings.class.getName())
+                .setSourceMetricsCategory(MetricsProto.MetricsEvent.SETTINGS_HOMEPAGE)
+                .setTitleRes(R.string.night_display_title)
+                .launch();
+    }
+
+    @Override
+    public void onActionClick() {
+        mController.setActivated(false);
+    }
+
+    @Override
+    public void startMonitoringStateChange() {
+        mController.setListener(this);
+    }
+
+    @Override
+    public void stopMonitoringStateChange() {
+        mController.setListener(null);
+    }
+
+    @Override
+    public void onActivated(boolean activated) {
+        mConditionManager.onConditionChanged();
+    }
+}