FocusHighlightHandler.java revision c39d9c75590eca86a5e7e32a8824ba04a0d42e9b 
1/*
2 * Copyright (C) 2014 The Android Open Source Project
3 *
4 * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except
5 * in compliance with the License. You may obtain a copy of the License at
6 *
7 * http://www.apache.org/licenses/LICENSE-2.0
8 *
9 * Unless required by applicable law or agreed to in writing, software distributed under the License
10 * is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express
11 * or implied. See the License for the specific language governing permissions and limitations under
12 * the License.
13 */
14package android.support.v17.leanback.widget;
15
16import android.support.annotation.RestrictTo;
17import android.view.View;
18
19import static android.support.annotation.RestrictTo.Scope.GROUP_ID;
20
21/**
22 * Interface for highlighting the item that has focus.
23 */
24interface FocusHighlightHandler {
25    /**
26     * Called when an item gains or loses focus.
27     * @hide
28     *
29     * @param view The view whose focus is changing.
30     * @param hasFocus True if focus is gained; false otherwise.
31     */
32    @RestrictTo(GROUP_ID)
33    void onItemFocused(View view, boolean hasFocus);
34
35    /**
36     * Called when the view is being created.
37     */
38    void onInitializeView(View view);
39}
40