content: /*
   * Copyright (C) 2016 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.wm;
  
  import static android.app.WindowConfiguration.WINDOWING_MODE_FREEFORM;
  
  /**
   * Describes the mode in which a window is drag resizing.
   */
  class DragResizeMode {
  
      /**
       * Freeform mode: Client surface is fullscreen, and client is responsible to draw window at
       * the correct position.
       */
      static final int DRAG_RESIZE_MODE_FREEFORM = 0;
  
      /**
       * Mode for resizing the docked (and adjacent) stack: Client surface is fullscreen, but window
       * is drawn at (0, 0), window manager is responsible for positioning the surface when draging.
       */
      static final int DRAG_RESIZE_MODE_DOCKED_DIVIDER = 1;
  
      static boolean isModeAllowedForStack(TaskStack stack, int mode) {
          switch (mode) {
              case DRAG_RESIZE_MODE_FREEFORM:
                  return stack.getWindowingMode() == WINDOWING_MODE_FREEFORM;
              case DRAG_RESIZE_MODE_DOCKED_DIVIDER:
                  return stack.inSplitScreenWindowingMode();
              default:
                  return false;
          }
      }
  }
  