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 20 import android.content.Context; 21 import android.graphics.Color; 22 23 import com.android.launcher3.BaseDraggingActivity; 24 import com.android.launcher3.DeviceProfile; 25 import com.android.launcher3.Launcher; 26 import com.android.launcher3.R; 27 import com.android.launcher3.allapps.AllAppsTransitionController; 28 import com.android.quickstep.util.LayoutUtils; 29 import com.android.quickstep.views.RecentsView; 30 31 /** 32 * State indicating that the Launcher is behind an app 33 */ 34 public class BackgroundAppState extends OverviewState { 35 36 private static final int STATE_FLAGS = FLAG_DISABLE_RESTORE | FLAG_OVERVIEW_UI 37 | FLAG_WORKSPACE_INACCESSIBLE | FLAG_NON_INTERACTIVE | FLAG_CLOSE_POPUPS; 38 BackgroundAppState(int id)39 public BackgroundAppState(int id) { 40 this(id, LAUNCHER_STATE_BACKGROUND); 41 } 42 BackgroundAppState(int id, int logContainer)43 protected BackgroundAppState(int id, int logContainer) { 44 super(id, logContainer, STATE_FLAGS); 45 } 46 47 @Override getVerticalProgress(Launcher launcher)48 public float getVerticalProgress(Launcher launcher) { 49 if (launcher.getDeviceProfile().isVerticalBarLayout()) { 50 return super.getVerticalProgress(launcher); 51 } 52 RecentsView recentsView = launcher.getOverviewPanel(); 53 int transitionLength = LayoutUtils.getShelfTrackingDistance(launcher, 54 launcher.getDeviceProfile(), 55 recentsView.getPagedOrientationHandler()); 56 AllAppsTransitionController controller = launcher.getAllAppsController(); 57 float scrollRange = Math.max(controller.getShiftRange(), 1); 58 float progressDelta = (transitionLength / scrollRange); 59 return super.getVerticalProgress(launcher) + progressDelta; 60 } 61 62 @Override getOverviewScaleAndOffset(Launcher launcher)63 public float[] getOverviewScaleAndOffset(Launcher launcher) { 64 return getOverviewScaleAndOffsetForBackgroundState(launcher); 65 } 66 67 @Override getOverviewFullscreenProgress()68 public float getOverviewFullscreenProgress() { 69 return 1; 70 } 71 72 @Override getVisibleElements(Launcher launcher)73 public int getVisibleElements(Launcher launcher) { 74 return super.getVisibleElements(launcher) 75 & ~OVERVIEW_ACTIONS 76 & ~CLEAR_ALL_BUTTON 77 & ~VERTICAL_SWIPE_INDICATOR; 78 } 79 80 @Override displayOverviewTasksAsGrid(DeviceProfile deviceProfile)81 public boolean displayOverviewTasksAsGrid(DeviceProfile deviceProfile) { 82 return false; 83 } 84 85 @Override getDepthUnchecked(Context context)86 protected float getDepthUnchecked(Context context) { 87 return 1; 88 } 89 90 @Override getWorkspaceScrimColor(Launcher launcher)91 public int getWorkspaceScrimColor(Launcher launcher) { 92 DeviceProfile dp = launcher.getDeviceProfile(); 93 if (dp.isTaskbarPresentInApps) { 94 return launcher.getColor(R.color.taskbar_background); 95 } 96 return Color.TRANSPARENT; 97 } 98 getOverviewScaleAndOffsetForBackgroundState( BaseDraggingActivity activity)99 public static float[] getOverviewScaleAndOffsetForBackgroundState( 100 BaseDraggingActivity activity) { 101 return new float[] { 102 ((RecentsView) activity.getOverviewPanel()).getMaxScaleForFullScreen(), 103 NO_OFFSET}; 104 } 105 } 106