content: /*
   * Copyright (C) 2017 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.server.usb.descriptors.tree;
  
  import com.android.server.usb.descriptors.UsbDeviceDescriptor;
  import com.android.server.usb.descriptors.report.ReportCanvas;
  
  import java.util.ArrayList;
  
  /**
   * @hide
   * A class to contain THE device descriptor at the root of the tree.
   */
  public final class UsbDescriptorsDeviceNode extends UsbDescriptorsTreeNode {
      private static final String TAG = "UsbDescriptorsDeviceNode";
  
      private final UsbDeviceDescriptor mDeviceDescriptor;
  
      private final ArrayList<UsbDescriptorsConfigNode> mConfigNodes = new ArrayList<>();
  
      /**
       * Constructor.
       * @param deviceDescriptor   The Device Descriptor object wrapped by this tree node.
       */
      public UsbDescriptorsDeviceNode(UsbDeviceDescriptor deviceDescriptor) {
          mDeviceDescriptor = deviceDescriptor;
      }
  
      /**
       * Adds a Configuration node to the assocated device node.
       */
      public void addConfigDescriptorNode(UsbDescriptorsConfigNode configNode) {
          mConfigNodes.add(configNode);
      }
  
      @Override
      public void report(ReportCanvas canvas) {
          mDeviceDescriptor.report(canvas);
          for (UsbDescriptorsConfigNode node : mConfigNodes) {
              node.report(canvas);
          }
      }
  }
  