1/*
2 * Copyright (C) 2017 The Android Open Source Project
3 *
4 * Licensed under the Apache License, Version 2.0 (the "License");
5 * you may not use this file except in compliance with the License.
6 * You may obtain a copy of the License at
7 *
8 *      http://www.apache.org/licenses/LICENSE-2.0
9 *
10 * Unless required by applicable law or agreed to in writing, software
11 * distributed under the License is distributed on an "AS IS" BASIS,
12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13 * See the License for the specific language governing permissions and
14 * limitations under the License.
15 */
16package com.android.server.usb.descriptors.tree;
17
18import com.android.server.usb.descriptors.UsbACInterface;
19import com.android.server.usb.descriptors.report.ReportCanvas;
20
21/**
22 * @hide
23 * A tree node containing some sort-of Audio Class Descriptor.
24 */
25public final class UsbDescriptorsACInterfaceNode extends UsbDescriptorsTreeNode {
26    private static final String TAG = "UsbDescriptorsACInterfaceNode";
27
28    private final UsbACInterface mACInterface;
29
30    /**
31     * Constructor.
32     * @param acInterface   The Audio Class Inteface object wrapped by this tree node.
33     */
34    public UsbDescriptorsACInterfaceNode(UsbACInterface acInterface) {
35        mACInterface = acInterface;
36    }
37
38    @Override
39    public void report(ReportCanvas canvas) {
40        canvas.writeListItem("AC Interface type: 0x"
41                + Integer.toHexString(mACInterface.getSubtype()));
42        canvas.openList();
43        mACInterface.report(canvas);
44        canvas.closeList();
45    }
46}
47