GuidedActionItemContainer.java revision c39d9c75590eca86a5e7e32a8824ba04a0d42e9b 
1/*
2 * Copyright (C) 2016 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.content.Context;
17import android.support.annotation.RestrictTo;
18import android.util.AttributeSet;
19import android.view.View;
20import android.view.ViewParent;
21
22import static android.support.annotation.RestrictTo.Scope.GROUP_ID;
23
24/**
25 * Root view of GuidedAction item, it supports a foreground drawable and can disable focus out
26 * of view.
27 */
28class GuidedActionItemContainer extends NonOverlappingLinearLayoutWithForeground {
29
30    private boolean mFocusOutAllowed = true;
31
32    public GuidedActionItemContainer(Context context) {
33        this(context, null);
34    }
35
36    public GuidedActionItemContainer(Context context, AttributeSet attrs) {
37        this(context, attrs, 0);
38    }
39
40    public GuidedActionItemContainer(Context context, AttributeSet attrs, int defStyle) {
41        super(context, attrs, defStyle);
42    }
43
44    @Override
45    public View focusSearch(View focused, int direction) {
46        if (mFocusOutAllowed || !Util.isDescendant(this, focused)) {
47            return super.focusSearch(focused, direction);
48        }
49        View view = super.focusSearch(focused, direction);
50        if (Util.isDescendant(this, view)) {
51            return view;
52        }
53        return null;
54    }
55
56    public void setFocusOutAllowed(boolean focusOutAllowed) {
57        mFocusOutAllowed = focusOutAllowed;
58    }
59}
60