1 /* 2 * Copyright (C) 2016 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 */ 16 17 package com.android.server.wm; 18 19 import static android.app.WindowConfiguration.WINDOWING_MODE_FREEFORM; 20 21 /** 22 * Describes the mode in which a window is drag resizing. 23 */ 24 class DragResizeMode { 25 26 /** 27 * Freeform mode: Client surface is fullscreen, and client is responsible to draw window at 28 * the correct position. 29 */ 30 static final int DRAG_RESIZE_MODE_FREEFORM = 0; 31 32 /** 33 * Mode for resizing the docked (and adjacent) stack: Client surface is fullscreen, but window 34 * is drawn at (0, 0), window manager is responsible for positioning the surface when draging. 35 */ 36 static final int DRAG_RESIZE_MODE_DOCKED_DIVIDER = 1; 37 isModeAllowedForStack(TaskStack stack, int mode)38 static boolean isModeAllowedForStack(TaskStack stack, int mode) { 39 switch (mode) { 40 case DRAG_RESIZE_MODE_FREEFORM: 41 return stack.getWindowingMode() == WINDOWING_MODE_FREEFORM; 42 case DRAG_RESIZE_MODE_DOCKED_DIVIDER: 43 return stack.inSplitScreenWindowingMode(); 44 default: 45 return false; 46 } 47 } 48 } 49