content: /*
   * 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.internal.globalactions;
  
  import android.app.Dialog;
  import android.content.Context;
  import android.content.DialogInterface;
  import android.os.Bundle;
  import android.util.TypedValue;
  import android.view.accessibility.AccessibilityEvent;
  import android.view.KeyEvent;
  import android.widget.ListView;
  import com.android.internal.app.AlertController;
  
  /** A dialog that lists the given Action items to be user selectable. */
  public final class ActionsDialog extends Dialog implements DialogInterface {
      private final Context mContext;
      private final AlertController mAlert;
      private final ActionsAdapter mAdapter;
  
      public ActionsDialog(Context context, AlertController.AlertParams params) {
          super(context, getDialogTheme(context));
          mContext = getContext();
          mAlert = AlertController.create(mContext, this, getWindow());
          mAdapter = (ActionsAdapter) params.mAdapter;
          params.apply(mAlert);
      }
  
      private static int getDialogTheme(Context context) {
          TypedValue outValue = new TypedValue();
          context.getTheme().resolveAttribute(com.android.internal.R.attr.alertDialogTheme,
                  outValue, true);
          return outValue.resourceId;
      }
  
      @Override
      protected void onStart() {
          super.setCanceledOnTouchOutside(true);
          super.onStart();
      }
  
      public ListView getListView() {
          return mAlert.getListView();
      }
  
      @Override
      protected void onCreate(Bundle savedInstanceState) {
          super.onCreate(savedInstanceState);
          mAlert.installContent();
      }
  
      @Override
      public boolean dispatchPopulateAccessibilityEvent(AccessibilityEvent event) {
          if (event.getEventType() == AccessibilityEvent.TYPE_WINDOW_STATE_CHANGED) {
              for (int i = 0; i < mAdapter.getCount(); ++i) {
                  CharSequence label =
                          mAdapter.getItem(i).getLabelForAccessibility(getContext());
                  if (label != null) {
                      event.getText().add(label);
                  }
              }
          }
          return super.dispatchPopulateAccessibilityEvent(event);
      }
  
      @Override
      public boolean onKeyDown(int keyCode, KeyEvent event) {
          if (mAlert.onKeyDown(keyCode, event)) {
              return true;
          }
          return super.onKeyDown(keyCode, event);
      }
  
      @Override
      public boolean onKeyUp(int keyCode, KeyEvent event) {
          if (mAlert.onKeyUp(keyCode, event)) {
              return true;
          }
          return super.onKeyUp(keyCode, event);
      }
  }
  