Rename a bunch of stuff.

For homepage cards, rename Homepage* to ContextualCard*.

Change-Id: I95740f15a1789683fa6c61f03ecf9bc47c367146
Fixes: 113966426
Test: robotests

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

@@ -0,0 +1,46 @@
+/*
+ * 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 android.view.View;
+
+import androidx.recyclerview.widget.RecyclerView;
+
+/**
+ * UI renderer for {@link ContextualCard}.
+ */
+public interface ContextualCardRenderer {
+
+    /**
+     * The layout type of the controller.
+     */
+    int getViewType();
+
+    /**
+     * When {@link ContextualCardsAdapter} calls {@link ContextualCardsAdapter#onCreateViewHolder(ViewGroup,
+     * int)}, this method will be called to retrieve the corresponding
+     * {@link androidx.recyclerview.widget.RecyclerView.ViewHolder}.
+     */
+    RecyclerView.ViewHolder createViewHolder(View view);
+
+    /**
+     * When {@link ContextualCardsAdapter} calls {@link ContextualCardsAdapter#onBindViewHolder(RecyclerView
+     * .ViewHolder, int)}, this method will be called to bind data to the
+     * {@link androidx.recyclerview.widget.RecyclerView.ViewHolder}.
+     */
+    void bindView(RecyclerView.ViewHolder holder, ContextualCard card);
+}