1 /* 2 * Copyright (C) 2018 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.launcher3.uioverrides.states; 17 18 import static com.android.launcher3.logging.StatsLogManager.LAUNCHER_STATE_BACKGROUND; 19 import static com.android.quickstep.TaskAnimationManager.ENABLE_SHELL_TRANSITIONS; 20 21 import android.content.Context; 22 import android.graphics.Color; 23 24 import com.android.launcher3.BaseDraggingActivity; 25 import com.android.launcher3.DeviceProfile; 26 import com.android.launcher3.Launcher; 27 import com.android.launcher3.allapps.AllAppsTransitionController; 28 import com.android.quickstep.util.LayoutUtils; 29 import com.android.quickstep.views.DesktopTaskView; 30 import com.android.quickstep.views.RecentsView; 31 32 /** 33 * State indicating that the Launcher is behind an app 34 */ 35 public class BackgroundAppState extends OverviewState { 36 37 private static final int STATE_FLAGS = FLAG_DISABLE_RESTORE | FLAG_OVERVIEW_UI 38 | FLAG_WORKSPACE_INACCESSIBLE | FLAG_NON_INTERACTIVE | FLAG_CLOSE_POPUPS; 39 BackgroundAppState(int id)40 public BackgroundAppState(int id) { 41 this(id, LAUNCHER_STATE_BACKGROUND); 42 } 43 BackgroundAppState(int id, int logContainer)44 protected BackgroundAppState(int id, int logContainer) { 45 super(id, logContainer, STATE_FLAGS); 46 } 47 48 @Override getVerticalProgress(Launcher launcher)49 public float getVerticalProgress(Launcher launcher) { 50 if (launcher.getDeviceProfile().isVerticalBarLayout()) { 51 return super.getVerticalProgress(launcher); 52 } 53 RecentsView recentsView = launcher.getOverviewPanel(); 54 int transitionLength = LayoutUtils.getShelfTrackingDistance(launcher, 55 launcher.getDeviceProfile(), 56 recentsView.getPagedOrientationHandler()); 57 AllAppsTransitionController controller = launcher.getAllAppsController(); 58 float scrollRange = Math.max(controller.getShiftRange(), 1); 59 float progressDelta = (transitionLength / scrollRange); 60 return super.getVerticalProgress(launcher) + progressDelta; 61 } 62 63 @Override getOverviewScaleAndOffset(Launcher launcher)64 public float[] getOverviewScaleAndOffset(Launcher launcher) { 65 return getOverviewScaleAndOffsetForBackgroundState(launcher); 66 } 67 68 @Override getOverviewFullscreenProgress()69 public float getOverviewFullscreenProgress() { 70 return 1; 71 } 72 73 @Override getVisibleElements(Launcher launcher)74 public int getVisibleElements(Launcher launcher) { 75 return super.getVisibleElements(launcher) 76 & ~OVERVIEW_ACTIONS 77 & ~CLEAR_ALL_BUTTON 78 & ~VERTICAL_SWIPE_INDICATOR; 79 } 80 81 @Override displayOverviewTasksAsGrid(DeviceProfile deviceProfile)82 public boolean displayOverviewTasksAsGrid(DeviceProfile deviceProfile) { 83 return false; 84 } 85 86 @Override showTaskThumbnailSplash()87 public boolean showTaskThumbnailSplash() { 88 return true; 89 } 90 91 @Override getDepthUnchecked(Context context)92 protected float getDepthUnchecked(Context context) { 93 if (DesktopTaskView.DESKTOP_MODE_SUPPORTED) { 94 if (Launcher.getLauncher(context).areFreeformTasksVisible()) { 95 // Don't blur the background while freeform tasks are visible 96 return 0; 97 } 98 } 99 return 1; 100 } 101 102 @Override getWorkspaceScrimColor(Launcher launcher)103 public int getWorkspaceScrimColor(Launcher launcher) { 104 return Color.TRANSPARENT; 105 } 106 107 @Override isTaskbarAlignedWithHotseat(Launcher launcher)108 public boolean isTaskbarAlignedWithHotseat(Launcher launcher) { 109 if (ENABLE_SHELL_TRANSITIONS) return false; 110 return super.isTaskbarAlignedWithHotseat(launcher); 111 } 112 113 @Override disallowTaskbarGlobalDrag()114 public boolean disallowTaskbarGlobalDrag() { 115 // Enable global drag in overview 116 return false; 117 } 118 119 @Override allowTaskbarInitialSplitSelection()120 public boolean allowTaskbarInitialSplitSelection() { 121 // Disallow split select from taskbar items in overview 122 return false; 123 } 124 getOverviewScaleAndOffsetForBackgroundState( BaseDraggingActivity activity)125 public static float[] getOverviewScaleAndOffsetForBackgroundState( 126 BaseDraggingActivity activity) { 127 return new float[] { 128 ((RecentsView) activity.getOverviewPanel()).getMaxScaleForFullScreen(), 129 NO_OFFSET}; 130 } 131 } 132