/* * Copyright (C) 2020 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.launcher3.uioverrides.states; import static android.view.View.VISIBLE; import static com.android.app.animation.Interpolators.ACCELERATE; import static com.android.app.animation.Interpolators.ACCELERATE_DECELERATE; import static com.android.app.animation.Interpolators.DECELERATE; import static com.android.app.animation.Interpolators.DECELERATE_1_7; import static com.android.app.animation.Interpolators.DECELERATE_3; import static com.android.app.animation.Interpolators.EMPHASIZED_ACCELERATE; import static com.android.app.animation.Interpolators.EMPHASIZED_DECELERATE; import static com.android.app.animation.Interpolators.FAST_OUT_SLOW_IN; import static com.android.app.animation.Interpolators.FINAL_FRAME; import static com.android.app.animation.Interpolators.INSTANT; import static com.android.app.animation.Interpolators.LINEAR; import static com.android.app.animation.Interpolators.OVERSHOOT_0_75; import static com.android.app.animation.Interpolators.OVERSHOOT_1_2; import static com.android.app.animation.Interpolators.clampToProgress; import static com.android.launcher3.LauncherState.ALL_APPS; import static com.android.launcher3.LauncherState.HINT_STATE; import static com.android.launcher3.LauncherState.HINT_STATE_TWO_BUTTON; import static com.android.launcher3.LauncherState.NORMAL; import static com.android.launcher3.LauncherState.OVERVIEW; import static com.android.launcher3.LauncherState.OVERVIEW_SPLIT_SELECT; import static com.android.launcher3.WorkspaceStateTransitionAnimation.getWorkspaceSpringScaleAnimator; import static com.android.launcher3.states.StateAnimationConfig.ANIM_ALL_APPS_FADE; import static com.android.launcher3.states.StateAnimationConfig.ANIM_DEPTH; import static com.android.launcher3.states.StateAnimationConfig.ANIM_OVERVIEW_ACTIONS_FADE; import static com.android.launcher3.states.StateAnimationConfig.ANIM_OVERVIEW_FADE; import static com.android.launcher3.states.StateAnimationConfig.ANIM_OVERVIEW_SCALE; import static com.android.launcher3.states.StateAnimationConfig.ANIM_OVERVIEW_SPLIT_SELECT_FLOATING_TASK_TRANSLATE_OFFSCREEN; import static com.android.launcher3.states.StateAnimationConfig.ANIM_OVERVIEW_SPLIT_SELECT_INSTRUCTIONS_FADE; import static com.android.launcher3.states.StateAnimationConfig.ANIM_OVERVIEW_TRANSLATE_X; import static com.android.launcher3.states.StateAnimationConfig.ANIM_OVERVIEW_TRANSLATE_Y; import static com.android.launcher3.states.StateAnimationConfig.ANIM_SCRIM_FADE; import static com.android.launcher3.states.StateAnimationConfig.ANIM_WORKSPACE_FADE; import static com.android.launcher3.states.StateAnimationConfig.ANIM_WORKSPACE_SCALE; import static com.android.launcher3.states.StateAnimationConfig.ANIM_WORKSPACE_TRANSLATE; import static com.android.quickstep.views.RecentsView.RECENTS_SCALE_PROPERTY; import android.animation.ValueAnimator; import com.android.launcher3.CellLayout; import com.android.launcher3.Hotseat; import com.android.launcher3.LauncherState; import com.android.launcher3.QuickstepTransitionManager; import com.android.launcher3.Workspace; import com.android.launcher3.states.StateAnimationConfig; import com.android.launcher3.touch.AllAppsSwipeController; import com.android.launcher3.uioverrides.QuickstepLauncher; import com.android.launcher3.util.DisplayController; import com.android.quickstep.util.RecentsAtomicAnimationFactory; import com.android.quickstep.util.SplitAnimationTimings; import com.android.quickstep.views.RecentsView; /** * Animation factory for quickstep specific transitions */ public class QuickstepAtomicAnimationFactory extends RecentsAtomicAnimationFactory { // Scale recents takes before animating in private static final float RECENTS_PREPARE_SCALE = 1.33f; // Scale workspace takes before animating in private static final float WORKSPACE_PREPARE_SCALE = 0.92f; // Constants to specify how to scroll RecentsView to the default page if it's not already there. private static final int DEFAULT_PAGE = 0; private static final int PER_PAGE_SCROLL_DURATION = 150; private static final int MAX_PAGE_SCROLL_DURATION = 750; // Due to use of physics, duration may differ between devices so we need to calculate and // cache the value. private int mHintToNormalDuration = -1; public QuickstepAtomicAnimationFactory(QuickstepLauncher activity) { super(activity); } @Override public void prepareForAtomicAnimation(LauncherState fromState, LauncherState toState, StateAnimationConfig config) { RecentsView overview = mContainer.getOverviewPanel(); if ((fromState == OVERVIEW || fromState == OVERVIEW_SPLIT_SELECT) && toState == NORMAL) { overview.switchToScreenshot(() -> overview.finishRecentsAnimation(true /* toRecents */, null)); if (fromState == OVERVIEW_SPLIT_SELECT) { config.setInterpolator(ANIM_OVERVIEW_SPLIT_SELECT_FLOATING_TASK_TRANSLATE_OFFSCREEN, clampToProgress(EMPHASIZED_ACCELERATE, 0, 0.4f)); config.setInterpolator(ANIM_OVERVIEW_SPLIT_SELECT_INSTRUCTIONS_FADE, clampToProgress(LINEAR, 0, 0.33f)); } // We sync the scrim fade with the taskbar animation duration to avoid any flickers for // taskbar icons disappearing before hotseat icons show up. float scrimUpperBoundFromSplit = QuickstepTransitionManager.getTaskbarToHomeDuration() / (float) config.duration; config.setInterpolator(ANIM_OVERVIEW_ACTIONS_FADE, clampToProgress(LINEAR, 0, 0.25f)); config.setInterpolator(ANIM_SCRIM_FADE, fromState == OVERVIEW_SPLIT_SELECT ? clampToProgress(LINEAR, 0.33f, scrimUpperBoundFromSplit) : LINEAR); config.setInterpolator(ANIM_WORKSPACE_SCALE, DECELERATE); config.setInterpolator(ANIM_WORKSPACE_FADE, ACCELERATE); if (DisplayController.getNavigationMode(mContainer).hasGestures && overview.getTaskViewCount() > 0) { // Overview is going offscreen, so keep it at its current scale and opacity. config.setInterpolator(ANIM_OVERVIEW_SCALE, FINAL_FRAME); config.setInterpolator(ANIM_OVERVIEW_FADE, FINAL_FRAME); config.setInterpolator(ANIM_OVERVIEW_TRANSLATE_X, fromState == OVERVIEW_SPLIT_SELECT ? EMPHASIZED_DECELERATE : clampToProgress(FAST_OUT_SLOW_IN, 0, 0.75f)); config.setInterpolator(ANIM_OVERVIEW_TRANSLATE_Y, FINAL_FRAME); // Scroll RecentsView to page 0 as it goes offscreen, if necessary. int numPagesToScroll = overview.getNextPage() - DEFAULT_PAGE; long scrollDuration = Math.min(MAX_PAGE_SCROLL_DURATION, numPagesToScroll * PER_PAGE_SCROLL_DURATION); config.duration = Math.max(config.duration, scrollDuration); // Sync scroll so that it ends before or at the same time as the taskbar animation. if (mContainer.getDeviceProfile().isTaskbarPresent) { config.duration = Math.min( config.duration, QuickstepTransitionManager.getTaskbarToHomeDuration()); } overview.snapToPage(DEFAULT_PAGE, Math.toIntExact(config.duration)); } else { config.setInterpolator(ANIM_OVERVIEW_TRANSLATE_X, ACCELERATE_DECELERATE); config.setInterpolator(ANIM_OVERVIEW_SCALE, clampToProgress(ACCELERATE, 0, 0.9f)); config.setInterpolator(ANIM_OVERVIEW_FADE, DECELERATE_1_7); } Workspace workspace = mContainer.getWorkspace(); // Start from a higher workspace scale, but only if we're invisible so we don't jump. boolean isWorkspaceVisible = workspace.getVisibility() == VISIBLE; if (isWorkspaceVisible) { CellLayout currentChild = (CellLayout) workspace.getChildAt( workspace.getCurrentPage()); isWorkspaceVisible = currentChild.getVisibility() == VISIBLE && currentChild.getShortcutsAndWidgets().getAlpha() > 0; } if (!isWorkspaceVisible) { workspace.setScaleX(WORKSPACE_PREPARE_SCALE); workspace.setScaleY(WORKSPACE_PREPARE_SCALE); } Hotseat hotseat = mContainer.getHotseat(); boolean isHotseatVisible = hotseat.getVisibility() == VISIBLE && hotseat.getAlpha() > 0; if (!isHotseatVisible) { hotseat.setScaleX(WORKSPACE_PREPARE_SCALE); hotseat.setScaleY(WORKSPACE_PREPARE_SCALE); } } else if ((fromState == NORMAL || fromState == HINT_STATE || fromState == HINT_STATE_TWO_BUTTON) && toState == OVERVIEW) { if (DisplayController.getNavigationMode(mContainer).hasGestures) { config.setInterpolator(ANIM_WORKSPACE_SCALE, fromState == NORMAL ? ACCELERATE : OVERSHOOT_1_2); config.setInterpolator(ANIM_WORKSPACE_TRANSLATE, ACCELERATE); // Scrolling in tasks, so show straight away if (overview.getTaskViewCount() > 0) { config.setInterpolator(ANIM_OVERVIEW_FADE, INSTANT); } else { config.setInterpolator(ANIM_OVERVIEW_FADE, OVERSHOOT_1_2); } } else { config.setInterpolator(ANIM_WORKSPACE_SCALE, OVERSHOOT_1_2); config.setInterpolator(ANIM_OVERVIEW_FADE, OVERSHOOT_1_2); // Scale up the recents, if it is not coming from the side if (overview.getVisibility() != VISIBLE || overview.getContentAlpha() == 0) { RECENTS_SCALE_PROPERTY.set(overview, RECENTS_PREPARE_SCALE); } } config.setInterpolator(ANIM_WORKSPACE_FADE, OVERSHOOT_1_2); config.setInterpolator(ANIM_ALL_APPS_FADE, OVERSHOOT_1_2); config.setInterpolator(ANIM_OVERVIEW_SCALE, OVERSHOOT_1_2); config.setInterpolator(ANIM_DEPTH, OVERSHOOT_1_2); config.setInterpolator(ANIM_SCRIM_FADE, t -> { // Animate at the same rate until reaching progress 1, and skip the overshoot. return Math.min(1, OVERSHOOT_1_2.getInterpolation(t)); }); config.setInterpolator(ANIM_OVERVIEW_TRANSLATE_X, OVERSHOOT_1_2); config.setInterpolator(ANIM_OVERVIEW_TRANSLATE_Y, OVERSHOOT_1_2); } else if (fromState == HINT_STATE && toState == NORMAL) { config.setInterpolator(ANIM_DEPTH, DECELERATE_3); if (mHintToNormalDuration == -1) { ValueAnimator va = getWorkspaceSpringScaleAnimator(mContainer, mContainer.getWorkspace(), toState.getWorkspaceScaleAndTranslation(mContainer).scale); mHintToNormalDuration = (int) va.getDuration(); } config.duration = Math.max(config.duration, mHintToNormalDuration); } else if (fromState == ALL_APPS && toState == NORMAL) { AllAppsSwipeController.applyAllAppsToNormalConfig(mContainer, config); } else if (fromState == NORMAL && toState == ALL_APPS) { AllAppsSwipeController.applyNormalToAllAppsAnimConfig(mContainer, config); } else if (fromState == OVERVIEW && toState == OVERVIEW_SPLIT_SELECT) { SplitAnimationTimings timings = mContainer.getDeviceProfile().isTablet ? SplitAnimationTimings.TABLET_OVERVIEW_TO_SPLIT : SplitAnimationTimings.PHONE_OVERVIEW_TO_SPLIT; config.setInterpolator(ANIM_OVERVIEW_ACTIONS_FADE, clampToProgress(LINEAR, timings.getActionsFadeStartOffset(), timings.getActionsFadeEndOffset())); } else if ((fromState == NORMAL || fromState == ALL_APPS) && toState == OVERVIEW_SPLIT_SELECT) { // Splitting from Home is currently only available on tablets SplitAnimationTimings timings = SplitAnimationTimings.TABLET_HOME_TO_SPLIT; config.setInterpolator(ANIM_SCRIM_FADE, clampToProgress(LINEAR, timings.getScrimFadeInStartOffset(), timings.getScrimFadeInEndOffset())); config.setInterpolator(ANIM_OVERVIEW_TRANSLATE_X, OVERSHOOT_0_75); config.setInterpolator(ANIM_OVERVIEW_TRANSLATE_Y, OVERSHOOT_0_75); } } }