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.quickstep.inputconsumers;
  
  import android.annotation.TargetApi;
  import android.os.Build;
  import android.view.InputEvent;
  import android.view.KeyEvent;
  import android.view.MotionEvent;
  
  @TargetApi(Build.VERSION_CODES.O)
  public interface InputConsumer {
  
      int TYPE_NO_OP = 1 << 0;
      int TYPE_OVERVIEW = 1 << 1;
      int TYPE_OTHER_ACTIVITY = 1 << 2;
      int TYPE_ASSISTANT = 1 << 3;
      int TYPE_DEVICE_LOCKED = 1 << 4;
      int TYPE_ACCESSIBILITY = 1 << 5;
      int TYPE_SCREEN_PINNED = 1 << 6;
      int TYPE_OVERVIEW_WITHOUT_FOCUS = 1 << 7;
      int TYPE_RESET_GESTURE = 1 << 8;
  
      String[] NAMES = new String[] {
             "TYPE_NO_OP",                    // 0
              "TYPE_OVERVIEW",                // 1
              "TYPE_OTHER_ACTIVITY",          // 2
              "TYPE_ASSISTANT",               // 3
              "TYPE_DEVICE_LOCKED",           // 4
              "TYPE_ACCESSIBILITY",           // 5
              "TYPE_SCREEN_PINNED",           // 6
              "TYPE_OVERVIEW_WITHOUT_FOCUS",  // 7
              "TYPE_RESET_GESTURE",           // 8
      };
  
      InputConsumer NO_OP = () -> TYPE_NO_OP;
  
      int getType();
  
      default boolean useSharedSwipeState() {
          return false;
      }
  
      /**
       * Returns true if the user has crossed the threshold for it to be an explicit action.
       */
      default boolean allowInterceptByParent() {
          return true;
      }
  
      /**
       * Called by the event queue when the consumer is about to be switched to a new consumer.
       */
      default void onConsumerAboutToBeSwitched() { }
  
      default void onMotionEvent(MotionEvent ev) { }
  
      default void onKeyEvent(KeyEvent ev) { }
  
      default void onInputEvent(InputEvent ev) {
          if (ev instanceof MotionEvent) {
              onMotionEvent((MotionEvent) ev);
          } else {
              onKeyEvent((KeyEvent) ev);
          }
      }
  
      default String getName() {
          String name = "";
          for (int i = 0; i < NAMES.length; i++) {
              if ((getType() & (1 << i)) != 0) {
                  if (name.length() > 0) {
                      name += ":";
                  }
                  name += NAMES[i];
              }
          }
          return name;
      }
  }
  