/* * 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.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.WorkspaceStateTransitionAnimation.getWorkspaceSpringScaleAnimator; import static com.android.launcher3.anim.Interpolators.ACCEL; import static com.android.launcher3.anim.Interpolators.ACCEL_DEACCEL; import static com.android.launcher3.anim.Interpolators.DEACCEL; import static com.android.launcher3.anim.Interpolators.DEACCEL_1_7; import static com.android.launcher3.anim.Interpolators.DEACCEL_3; import static com.android.launcher3.anim.Interpolators.FAST_OUT_SLOW_IN; import static com.android.launcher3.anim.Interpolators.FINAL_FRAME; import static com.android.launcher3.anim.Interpolators.INSTANT; import static com.android.launcher3.anim.Interpolators.LINEAR; import static com.android.launcher3.anim.Interpolators.OVERSHOOT_1_2; import static com.android.launcher3.anim.Interpolators.clampToProgress; 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_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.launcher3.uioverrides.touchcontrollers.PortraitStatesTouchController.ALL_APPS_CONTENT_FADE_MAX_CLAMPING_THRESHOLD; import static com.android.launcher3.uioverrides.touchcontrollers.PortraitStatesTouchController.ALL_APPS_CONTENT_FADE_MIN_CLAMPING_THRESHOLD; import static com.android.launcher3.uioverrides.touchcontrollers.PortraitStatesTouchController.ALL_APPS_SCRIM_OPAQUE_THRESHOLD; import static com.android.launcher3.uioverrides.touchcontrollers.PortraitStatesTouchController.ALL_APPS_SCRIM_VISIBLE_THRESHOLD; 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.Workspace; import com.android.launcher3.anim.Interpolators; import com.android.launcher3.states.StateAnimationConfig; import com.android.launcher3.uioverrides.QuickstepLauncher; import com.android.launcher3.util.DisplayController; import com.android.quickstep.util.RecentsAtomicAnimationFactory; 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 = mActivity.getOverviewPanel(); if (toState == NORMAL && fromState == OVERVIEW) { config.setInterpolator(ANIM_OVERVIEW_ACTIONS_FADE, clampToProgress(LINEAR, 0, 0.25f)); config.setInterpolator(ANIM_SCRIM_FADE, LINEAR); config.setInterpolator(ANIM_WORKSPACE_SCALE, DEACCEL); config.setInterpolator(ANIM_WORKSPACE_FADE, ACCEL); if (DisplayController.getNavigationMode(mActivity).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, clampToProgress(FAST_OUT_SLOW_IN, 0, 0.75f)); config.setInterpolator(ANIM_OVERVIEW_TRANSLATE_Y, FINAL_FRAME); } else { config.setInterpolator(ANIM_OVERVIEW_TRANSLATE_X, ACCEL_DEACCEL); config.setInterpolator(ANIM_OVERVIEW_SCALE, clampToProgress(ACCEL, 0, 0.9f)); config.setInterpolator(ANIM_OVERVIEW_FADE, DEACCEL_1_7); } // 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); overview.snapToPage(DEFAULT_PAGE, Math.toIntExact(config.duration)); Workspace workspace = mActivity.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 = mActivity.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(mActivity).hasGestures) { config.setInterpolator(ANIM_WORKSPACE_SCALE, fromState == NORMAL ? ACCEL : OVERSHOOT_1_2); config.setInterpolator(ANIM_WORKSPACE_TRANSLATE, ACCEL); // 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, DEACCEL_3); if (mHintToNormalDuration == -1) { ValueAnimator va = getWorkspaceSpringScaleAnimator(mActivity, mActivity.getWorkspace(), toState.getWorkspaceScaleAndTranslation(mActivity).scale); mHintToNormalDuration = (int) va.getDuration(); } config.duration = Math.max(config.duration, mHintToNormalDuration); } else if (fromState == ALL_APPS && toState == NORMAL) { config.setInterpolator(ANIM_ALL_APPS_FADE, Interpolators.clampToProgress(DEACCEL, 1 - ALL_APPS_CONTENT_FADE_MAX_CLAMPING_THRESHOLD, 1 - ALL_APPS_CONTENT_FADE_MIN_CLAMPING_THRESHOLD)); config.setInterpolator(ANIM_SCRIM_FADE, Interpolators.clampToProgress(DEACCEL, 1 - ALL_APPS_SCRIM_OPAQUE_THRESHOLD, 1 - ALL_APPS_SCRIM_VISIBLE_THRESHOLD)); } } }