Rename a bunch of stuff.

For homepage cards, rename Homepage* to ContextualCard*.

Change-Id: I95740f15a1789683fa6c61f03ecf9bc47c367146
Fixes: 113966426
Test: robotests

src/com/android/settings/homepage/ContextualCardController.java

@@ -0,0 +1,40 @@
+/*
+ * 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;
+
+import java.util.List;
+
+/**
+ * Data controller for {@link ContextualCard}.
+ */
+public interface ContextualCardController {
+
+    @ContextualCard.CardType
+    int getCardType();
+
+    /**
+     * When data is updated or changed, the new data should be passed to ContextualCardManager for list
+     * updating.
+     */
+    void onDataUpdated(List<ContextualCard> cardList);
+
+    void onPrimaryClick(ContextualCard card);
+
+    void onActionClick(ContextualCard card);
+
+    void setCardUpdateListener(ContextualCardUpdateListener listener);
+}