| /* |
| * Copyright (C) 2019 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.quickstep.util; |
| |
| import static com.android.launcher3.LauncherAnimUtils.VIEW_TRANSLATE_Y; |
| import static com.android.launcher3.LauncherState.BACKGROUND_APP; |
| import static com.android.launcher3.LauncherState.NORMAL; |
| import static com.android.launcher3.anim.Interpolators.ACCEL_DEACCEL; |
| import static com.android.launcher3.anim.Interpolators.LINEAR; |
| import static com.android.launcher3.anim.PropertySetter.NO_ANIM_PROPERTY_SETTER; |
| import static com.android.launcher3.states.StateAnimationConfig.ANIM_ALL_COMPONENTS; |
| import static com.android.launcher3.states.StateAnimationConfig.SKIP_DEPTH_CONTROLLER; |
| import static com.android.launcher3.states.StateAnimationConfig.SKIP_OVERVIEW; |
| |
| import android.animation.Animator; |
| import android.animation.AnimatorListenerAdapter; |
| import android.animation.AnimatorSet; |
| import android.animation.ObjectAnimator; |
| import android.animation.ValueAnimator; |
| import android.view.View; |
| import android.view.ViewGroup; |
| |
| import com.android.launcher3.BaseQuickstepLauncher; |
| import com.android.launcher3.CellLayout; |
| import com.android.launcher3.DeviceProfile; |
| import com.android.launcher3.Launcher; |
| import com.android.launcher3.LauncherState; |
| import com.android.launcher3.R; |
| import com.android.launcher3.ShortcutAndWidgetContainer; |
| import com.android.launcher3.Workspace; |
| import com.android.launcher3.anim.PendingAnimation; |
| import com.android.launcher3.anim.PropertySetter; |
| import com.android.launcher3.anim.SpringAnimationBuilder; |
| import com.android.launcher3.graphics.OverviewScrim; |
| import com.android.launcher3.statehandlers.DepthController; |
| import com.android.launcher3.states.StateAnimationConfig; |
| import com.android.launcher3.util.DynamicResource; |
| import com.android.quickstep.views.RecentsView; |
| import com.android.systemui.plugins.ResourceProvider; |
| |
| /** |
| * Creates an animation where all the workspace items are moved into their final location, |
| * staggered row by row from the bottom up. |
| * This is used in conjunction with the swipe up to home animation. |
| */ |
| public class StaggeredWorkspaceAnim { |
| |
| private static final int APP_CLOSE_ROW_START_DELAY_MS = 10; |
| private static final int ALPHA_DURATION_MS = 250; |
| |
| private static final float MAX_VELOCITY_PX_PER_S = 22f; |
| |
| private final float mVelocity; |
| private final float mSpringTransY; |
| |
| private final AnimatorSet mAnimators = new AnimatorSet(); |
| |
| public StaggeredWorkspaceAnim(Launcher launcher, float velocity, boolean animateOverviewScrim) { |
| prepareToAnimate(launcher, animateOverviewScrim); |
| |
| mVelocity = velocity; |
| |
| // Scale the translationY based on the initial velocity to better sync the workspace items |
| // with the floating view. |
| float transFactor = 0.2f + 0.9f * Math.abs(velocity) / MAX_VELOCITY_PX_PER_S; |
| mSpringTransY = transFactor * launcher.getResources() |
| .getDimensionPixelSize(R.dimen.swipe_up_max_workspace_trans_y); |
| |
| DeviceProfile grid = launcher.getDeviceProfile(); |
| Workspace workspace = launcher.getWorkspace(); |
| CellLayout cellLayout = (CellLayout) workspace.getChildAt(workspace.getCurrentPage()); |
| ShortcutAndWidgetContainer currentPage = cellLayout.getShortcutsAndWidgets(); |
| ViewGroup hotseat = launcher.getHotseat(); |
| |
| boolean workspaceClipChildren = workspace.getClipChildren(); |
| boolean workspaceClipToPadding = workspace.getClipToPadding(); |
| boolean cellLayoutClipChildren = cellLayout.getClipChildren(); |
| boolean cellLayoutClipToPadding = cellLayout.getClipToPadding(); |
| boolean hotseatClipChildren = hotseat.getClipChildren(); |
| boolean hotseatClipToPadding = hotseat.getClipToPadding(); |
| |
| workspace.setClipChildren(false); |
| workspace.setClipToPadding(false); |
| cellLayout.setClipChildren(false); |
| cellLayout.setClipToPadding(false); |
| hotseat.setClipChildren(false); |
| hotseat.setClipToPadding(false); |
| |
| // Hotseat and QSB takes up two additional rows. |
| int totalRows = grid.inv.numRows + (grid.isVerticalBarLayout() ? 0 : 2); |
| |
| // Set up springs on workspace items. |
| for (int i = currentPage.getChildCount() - 1; i >= 0; i--) { |
| View child = currentPage.getChildAt(i); |
| CellLayout.LayoutParams lp = ((CellLayout.LayoutParams) child.getLayoutParams()); |
| addStaggeredAnimationForView(child, lp.cellY + lp.cellVSpan, totalRows); |
| } |
| |
| // Set up springs for the hotseat and qsb. |
| ViewGroup hotseatChild = (ViewGroup) hotseat.getChildAt(0); |
| if (grid.isVerticalBarLayout()) { |
| for (int i = hotseatChild.getChildCount() - 1; i >= 0; i--) { |
| View child = hotseatChild.getChildAt(i); |
| CellLayout.LayoutParams lp = ((CellLayout.LayoutParams) child.getLayoutParams()); |
| addStaggeredAnimationForView(child, lp.cellY + 1, totalRows); |
| } |
| } else { |
| for (int i = hotseatChild.getChildCount() - 1; i >= 0; i--) { |
| View child = hotseatChild.getChildAt(i); |
| addStaggeredAnimationForView(child, grid.inv.numRows + 1, totalRows); |
| } |
| |
| if (launcher.getAppsView().getSearchUiManager() |
| .isQsbVisible(NORMAL.getVisibleElements(launcher))) { |
| addStaggeredAnimationForView(launcher.getAppsView().getSearchView(), |
| grid.inv.numRows + 2, totalRows); |
| } |
| } |
| |
| if (animateOverviewScrim) { |
| PendingAnimation pendingAnimation = new PendingAnimation(ALPHA_DURATION_MS); |
| addScrimAnimationForState(launcher, NORMAL, pendingAnimation); |
| mAnimators.play(pendingAnimation.buildAnim()); |
| } |
| |
| addDepthAnimationForState(launcher, NORMAL, ALPHA_DURATION_MS); |
| |
| mAnimators.play(launcher.getDragLayer().getScrim().createSysuiMultiplierAnim(0f, 1f) |
| .setDuration(ALPHA_DURATION_MS)); |
| mAnimators.addListener(new AnimatorListenerAdapter() { |
| @Override |
| public void onAnimationEnd(Animator animation) { |
| workspace.setClipChildren(workspaceClipChildren); |
| workspace.setClipToPadding(workspaceClipToPadding); |
| cellLayout.setClipChildren(cellLayoutClipChildren); |
| cellLayout.setClipToPadding(cellLayoutClipToPadding); |
| hotseat.setClipChildren(hotseatClipChildren); |
| hotseat.setClipToPadding(hotseatClipToPadding); |
| } |
| }); |
| } |
| |
| /** |
| * Setup workspace with 0 duration to prepare for our staggered animation. |
| */ |
| private void prepareToAnimate(Launcher launcher, boolean animateOverviewScrim) { |
| StateAnimationConfig config = new StateAnimationConfig(); |
| config.animFlags = ANIM_ALL_COMPONENTS | SKIP_OVERVIEW | SKIP_DEPTH_CONTROLLER; |
| config.duration = 0; |
| // setRecentsAttachedToAppWindow() will animate recents out. |
| launcher.getStateManager().createAtomicAnimation(BACKGROUND_APP, NORMAL, config).start(); |
| |
| // Stop scrolling so that it doesn't interfere with the translation offscreen. |
| launcher.<RecentsView>getOverviewPanel().getScroller().forceFinished(true); |
| |
| if (animateOverviewScrim) { |
| addScrimAnimationForState(launcher, BACKGROUND_APP, NO_ANIM_PROPERTY_SETTER); |
| } |
| } |
| |
| public AnimatorSet getAnimators() { |
| return mAnimators; |
| } |
| |
| public StaggeredWorkspaceAnim addAnimatorListener(Animator.AnimatorListener listener) { |
| mAnimators.addListener(listener); |
| return this; |
| } |
| |
| /** |
| * Starts the animation. |
| */ |
| public void start() { |
| mAnimators.start(); |
| } |
| |
| /** |
| * Adds an alpha/trans animator for {@param v}, with a start delay based on the view's row. |
| * |
| * @param v A view on the workspace. |
| * @param row The bottom-most row that contains the view. |
| * @param totalRows Total number of rows. |
| */ |
| private void addStaggeredAnimationForView(View v, int row, int totalRows) { |
| // Invert the rows, because we stagger starting from the bottom of the screen. |
| int invertedRow = totalRows - row; |
| // Add 1 to the inverted row so that the bottom most row has a start delay. |
| long startDelay = (long) ((invertedRow + 1) * APP_CLOSE_ROW_START_DELAY_MS); |
| |
| v.setTranslationY(mSpringTransY); |
| |
| ResourceProvider rp = DynamicResource.provider(v.getContext()); |
| float stiffness = rp.getFloat(R.dimen.staggered_stiffness); |
| float damping = rp.getFloat(R.dimen.staggered_damping_ratio); |
| ValueAnimator springTransY = new SpringAnimationBuilder(v.getContext()) |
| .setStiffness(stiffness) |
| .setDampingRatio(damping) |
| .setMinimumVisibleChange(1f) |
| .setStartValue(mSpringTransY) |
| .setEndValue(0) |
| .setStartVelocity(mVelocity) |
| .build(v, VIEW_TRANSLATE_Y); |
| springTransY.setStartDelay(startDelay); |
| springTransY.addListener(new AnimatorListenerAdapter() { |
| @Override |
| public void onAnimationEnd(Animator animation) { |
| v.setTranslationY(0f); |
| } |
| }); |
| mAnimators.play(springTransY); |
| |
| v.setAlpha(0); |
| ObjectAnimator alpha = ObjectAnimator.ofFloat(v, View.ALPHA, 0f, 1f); |
| alpha.setInterpolator(LINEAR); |
| alpha.setDuration(ALPHA_DURATION_MS); |
| alpha.setStartDelay(startDelay); |
| alpha.addListener(new AnimatorListenerAdapter() { |
| @Override |
| public void onAnimationEnd(Animator animation) { |
| v.setAlpha(1f); |
| } |
| }); |
| mAnimators.play(alpha); |
| } |
| |
| private void addScrimAnimationForState(Launcher launcher, LauncherState state, |
| PropertySetter setter) { |
| launcher.getWorkspace().getStateTransitionAnimation().setScrim(setter, state); |
| setter.setFloat( |
| launcher.getDragLayer().getOverviewScrim(), |
| OverviewScrim.SCRIM_PROGRESS, |
| state.getOverviewScrimAlpha(launcher), |
| ACCEL_DEACCEL); |
| } |
| |
| private void addDepthAnimationForState(Launcher launcher, LauncherState state, long duration) { |
| if (!(launcher instanceof BaseQuickstepLauncher)) { |
| return; |
| } |
| PendingAnimation builder = new PendingAnimation(duration); |
| DepthController depthController = ((BaseQuickstepLauncher) launcher).getDepthController(); |
| depthController.setStateWithAnimation(state, new StateAnimationConfig(), builder); |
| mAnimators.play(builder.buildAnim()); |
| } |
| } |