1 /* 2 * Copyright (C) 2019 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 package com.android.quickstep.util; 17 18 import static com.android.launcher3.util.NavigationMode.NO_BUTTON; 19 20 import android.view.Surface; 21 22 import com.android.launcher3.util.DisplayController.Info; 23 import com.android.launcher3.util.NavigationMode; 24 25 /** 26 * Utility class to check nav bar position. 27 */ 28 public class NavBarPosition { 29 30 private final boolean mIsTablet; 31 private final NavigationMode mMode; 32 private final int mDisplayRotation; 33 NavBarPosition(NavigationMode mode, Info info)34 public NavBarPosition(NavigationMode mode, Info info) { 35 mIsTablet = info.isTablet(info.realBounds); 36 mMode = mode; 37 mDisplayRotation = info.rotation; 38 } 39 isRightEdge()40 public boolean isRightEdge() { 41 return mMode != NO_BUTTON && mDisplayRotation == Surface.ROTATION_90 && !mIsTablet; 42 } 43 isLeftEdge()44 public boolean isLeftEdge() { 45 return mMode != NO_BUTTON && mDisplayRotation == Surface.ROTATION_270 && !mIsTablet; 46 } 47 getRotation()48 public float getRotation() { 49 return isLeftEdge() ? 90 : (isRightEdge() ? -90 : 0); 50 } 51 } 52