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/*
* 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;
import static android.view.WindowManager.LayoutParams.TYPE_DOCK_DIVIDER;
import static android.view.WindowManager.TRANSIT_OPEN;
import static android.view.WindowManager.TRANSIT_TO_FRONT;
import static com.android.launcher3.LauncherAnimUtils.VIEW_ALPHA;
import static com.android.launcher3.LauncherState.BACKGROUND_APP;
import static com.android.launcher3.LauncherState.NORMAL;
import static com.android.launcher3.QuickstepTransitionManager.ANIMATION_DELAY_NAV_FADE_IN;
import static com.android.launcher3.QuickstepTransitionManager.ANIMATION_NAV_FADE_IN_DURATION;
import static com.android.launcher3.QuickstepTransitionManager.ANIMATION_NAV_FADE_OUT_DURATION;
import static com.android.launcher3.QuickstepTransitionManager.NAV_FADE_IN_INTERPOLATOR;
import static com.android.launcher3.QuickstepTransitionManager.NAV_FADE_OUT_INTERPOLATOR;
import static com.android.launcher3.QuickstepTransitionManager.RECENTS_LAUNCH_DURATION;
import static com.android.launcher3.Utilities.getDescendantCoordRelativeToAncestor;
import static com.android.launcher3.anim.Interpolators.LINEAR;
import static com.android.launcher3.anim.Interpolators.TOUCH_RESPONSE_INTERPOLATOR;
import static com.android.launcher3.anim.Interpolators.TOUCH_RESPONSE_INTERPOLATOR_ACCEL_DEACCEL;
import static com.android.launcher3.anim.Interpolators.clampToProgress;
import static com.android.launcher3.config.FeatureFlags.ENABLE_QUICKSTEP_LIVE_TILE;
import static com.android.launcher3.statehandlers.DepthController.DEPTH;
import static com.android.systemui.shared.system.RemoteAnimationTargetCompat.MODE_CLOSING;
import static com.android.systemui.shared.system.RemoteAnimationTargetCompat.MODE_OPENING;
import android.animation.Animator;
import android.animation.AnimatorListenerAdapter;
import android.animation.AnimatorSet;
import android.animation.ObjectAnimator;
import android.annotation.TargetApi;
import android.content.ComponentName;
import android.content.Context;
import android.graphics.Matrix;
import android.graphics.Matrix.ScaleToFit;
import android.graphics.Rect;
import android.graphics.RectF;
import android.os.Build;
import android.view.SurfaceControl;
import android.view.View;
import android.window.TransitionInfo;
import androidx.annotation.NonNull;
import androidx.annotation.Nullable;
import com.android.launcher3.BaseActivity;
import com.android.launcher3.DeviceProfile;
import com.android.launcher3.anim.AnimationSuccessListener;
import com.android.launcher3.anim.AnimatorPlaybackController;
import com.android.launcher3.anim.Interpolators;
import com.android.launcher3.anim.PendingAnimation;
import com.android.launcher3.model.data.ItemInfo;
import com.android.launcher3.statehandlers.DepthController;
import com.android.launcher3.statemanager.StateManager;
import com.android.launcher3.util.DisplayController;
import com.android.quickstep.util.MultiValueUpdateListener;
import com.android.quickstep.util.SurfaceTransactionApplier;
import com.android.quickstep.util.TaskViewSimulator;
import com.android.quickstep.util.TransformParams;
import com.android.quickstep.views.RecentsView;
import com.android.quickstep.views.TaskThumbnailView;
import com.android.quickstep.views.TaskView;
import com.android.systemui.shared.recents.model.Task;
import com.android.systemui.shared.system.InteractionJankMonitorWrapper;
import com.android.systemui.shared.system.RemoteAnimationTargetCompat;
import com.android.systemui.shared.system.SyncRtSurfaceTransactionApplierCompat.SurfaceParams;
/**
* Utility class for helpful methods related to {@link TaskView} objects and their tasks.
*/
@TargetApi(Build.VERSION_CODES.R)
public final class TaskViewUtils {
private TaskViewUtils() {}
/**
* Try to find a TaskView that corresponds with the component of the launched view.
*
* If this method returns a non-null TaskView, it will be used in composeRecentsLaunchAnimation.
* Otherwise, we will assume we are using a normal app transition, but it's possible that the
* opening remote target (which we don't get until onAnimationStart) will resolve to a TaskView.
*/
public static TaskView findTaskViewToLaunch(
RecentsView recentsView, View v, RemoteAnimationTargetCompat[] targets) {
if (v instanceof TaskView) {
TaskView taskView = (TaskView) v;
return recentsView.isTaskViewVisible(taskView) ? taskView : null;
}
// It's possible that the launched view can still be resolved to a visible task view, check
// the task id of the opening task and see if we can find a match.
if (v.getTag() instanceof ItemInfo) {
ItemInfo itemInfo = (ItemInfo) v.getTag();
ComponentName componentName = itemInfo.getTargetComponent();
int userId = itemInfo.user.getIdentifier();
if (componentName != null) {
for (int i = 0; i < recentsView.getTaskViewCount(); i++) {
TaskView taskView = recentsView.getTaskViewAt(i);
if (recentsView.isTaskViewVisible(taskView)) {
Task.TaskKey key = taskView.getTask().key;
if (componentName.equals(key.getComponent()) && userId == key.userId) {
return taskView;
}
}
}
}
}
if (targets == null) {
return null;
}
// Resolve the opening task id
int openingTaskId = -1;
for (RemoteAnimationTargetCompat target : targets) {
if (target.mode == MODE_OPENING) {
openingTaskId = target.taskId;
break;
}
}
// If there is no opening task id, fall back to the normal app icon launch animation
if (openingTaskId == -1) {
return null;
}
// If the opening task id is not currently visible in overview, then fall back to normal app
// icon launch animation
TaskView taskView = recentsView.getTaskView(openingTaskId);
if (taskView == null || !recentsView.isTaskViewVisible(taskView)) {
return null;
}
return taskView;
}
public static void createRecentsWindowAnimator(TaskView v, boolean skipViewChanges,
RemoteAnimationTargetCompat[] appTargets,
RemoteAnimationTargetCompat[] wallpaperTargets,
RemoteAnimationTargetCompat[] nonAppTargets, DepthController depthController,
PendingAnimation out) {
boolean isRunningTask = v.isRunningTask();
TransformParams params = null;
TaskViewSimulator tsv = null;
if (ENABLE_QUICKSTEP_LIVE_TILE.get() && isRunningTask) {
params = v.getRecentsView().getLiveTileParams();
tsv = v.getRecentsView().getLiveTileTaskViewSimulator();
}
createRecentsWindowAnimator(v, skipViewChanges, appTargets, wallpaperTargets, nonAppTargets,
depthController, out, params, tsv);
}
/**
* Creates an animation that controls the window of the opening targets for the recents launch
* animation.
*/
public static void createRecentsWindowAnimator(TaskView v, boolean skipViewChanges,
RemoteAnimationTargetCompat[] appTargets,
RemoteAnimationTargetCompat[] wallpaperTargets,
RemoteAnimationTargetCompat[] nonAppTargets, DepthController depthController,
PendingAnimation out, @Nullable TransformParams params,
@Nullable TaskViewSimulator tsv) {
boolean isQuickSwitch = v.isEndQuickswitchCuj();
v.setEndQuickswitchCuj(false);
boolean inLiveTileMode =
ENABLE_QUICKSTEP_LIVE_TILE.get() && v.getRecentsView().getRunningTaskIndex() != -1;
final RemoteAnimationTargets targets =
new RemoteAnimationTargets(appTargets, wallpaperTargets, nonAppTargets,
inLiveTileMode ? MODE_CLOSING : MODE_OPENING);
final RemoteAnimationTargetCompat navBarTarget = targets.getNavBarRemoteAnimationTarget();
if (params == null) {
SurfaceTransactionApplier applier = new SurfaceTransactionApplier(v);
targets.addReleaseCheck(applier);
params = new TransformParams()
.setSyncTransactionApplier(applier)
.setTargetSet(targets);
}
final RecentsView recentsView = v.getRecentsView();
int taskIndex = recentsView.indexOfChild(v);
Context context = v.getContext();
DeviceProfile dp = BaseActivity.fromContext(context).getDeviceProfile();
boolean showAsGrid = dp.overviewShowAsGrid;
boolean parallaxCenterAndAdjacentTask =
taskIndex != recentsView.getCurrentPage() && !showAsGrid;
float gridTranslationSecondary = recentsView.getGridTranslationSecondary(taskIndex);
int startScroll = recentsView.getScrollOffset(taskIndex);
TaskViewSimulator topMostSimulator = null;
if (tsv == null && targets.apps.length > 0) {
tsv = new TaskViewSimulator(context, recentsView.getSizeStrategy());
tsv.setDp(dp);
// RecentsView never updates the display rotation until swipe-up so the value may
// be stale. Use the display value instead.
int displayRotation = DisplayController.INSTANCE.get(context).getInfo().rotation;
tsv.getOrientationState().update(displayRotation, displayRotation);
tsv.setPreview(targets.apps[targets.apps.length - 1]);
tsv.fullScreenProgress.value = 0;
tsv.recentsViewScale.value = 1;
if (showAsGrid) {
tsv.taskSecondaryTranslation.value = gridTranslationSecondary;
}
tsv.setScroll(startScroll);
// Fade in the task during the initial 20% of the animation
out.addFloat(params, TransformParams.TARGET_ALPHA, 0, 1,
clampToProgress(LINEAR, 0, 0.2f));
}
if (tsv != null) {
out.setFloat(tsv.fullScreenProgress,
AnimatedFloat.VALUE, 1, TOUCH_RESPONSE_INTERPOLATOR);
out.setFloat(tsv.recentsViewScale,
AnimatedFloat.VALUE, tsv.getFullScreenScale(), TOUCH_RESPONSE_INTERPOLATOR);
if (showAsGrid) {
out.setFloat(tsv.taskSecondaryTranslation, AnimatedFloat.VALUE, 0,
TOUCH_RESPONSE_INTERPOLATOR_ACCEL_DEACCEL);
}
out.setFloat(tsv.recentsViewScroll, AnimatedFloat.VALUE, 0,
TOUCH_RESPONSE_INTERPOLATOR);
TaskViewSimulator finalTsv = tsv;
TransformParams finalParams = params;
out.addOnFrameCallback(() -> finalTsv.apply(finalParams));
if (navBarTarget != null) {
final Rect cropRect = new Rect();
out.addOnFrameListener(new MultiValueUpdateListener() {
FloatProp mNavFadeOut = new FloatProp(1f, 0f, 0,
ANIMATION_NAV_FADE_OUT_DURATION, NAV_FADE_OUT_INTERPOLATOR);
FloatProp mNavFadeIn = new FloatProp(0f, 1f, ANIMATION_DELAY_NAV_FADE_IN,
ANIMATION_NAV_FADE_IN_DURATION, NAV_FADE_IN_INTERPOLATOR);
@Override
public void onUpdate(float percent, boolean initOnly) {
final SurfaceParams.Builder navBuilder =
new SurfaceParams.Builder(navBarTarget.leash);
if (mNavFadeIn.value > mNavFadeIn.getStartValue()) {
finalTsv.getCurrentCropRect().round(cropRect);
navBuilder.withMatrix(finalTsv.getCurrentMatrix())
.withWindowCrop(cropRect)
.withAlpha(mNavFadeIn.value);
} else {
navBuilder.withAlpha(mNavFadeOut.value);
}
finalParams.applySurfaceParams(navBuilder.build());
}
});
} else if (inLiveTileMode) {
// There is no transition animation for app launch from recent in live tile mode so
// we have to trigger the navigation bar animation from system here.
final RecentsAnimationController controller =
recentsView.getRecentsAnimationController();
if (controller != null) {
controller.animateNavigationBarToApp(RECENTS_LAUNCH_DURATION);
}
}
topMostSimulator = tsv;
}
if (!skipViewChanges && parallaxCenterAndAdjacentTask && topMostSimulator != null) {
out.addFloat(v, VIEW_ALPHA, 1, 0, clampToProgress(LINEAR, 0.2f, 0.4f));
TaskViewSimulator simulatorToCopy = topMostSimulator;
simulatorToCopy.apply(params);
// Mt represents the overall transformation on the thumbnailView relative to the
// Launcher's rootView
// K(t) represents transformation on the running window by the taskViewSimulator at
// any time t.
// at t = 0, we know that the simulator matches the thumbnailView. So if we apply K(0)`
// on the Launcher's rootView, the thumbnailView would match the full running task
// window. If we apply "K(0)` K(t)" thumbnailView will match the final transformed
// window at any time t. This gives the overall matrix on thumbnailView to be:
// Mt K(0)` K(t)
// During animation we apply transformation on the thumbnailView (and not the rootView)
// to follow the TaskViewSimulator. So the final matrix applied on the thumbnailView is:
// Mt K(0)` K(t) Mt`
TaskThumbnailView ttv = v.getThumbnail();
RectF tvBounds = new RectF(0, 0, ttv.getWidth(), ttv.getHeight());
float[] tvBoundsMapped = new float[]{0, 0, ttv.getWidth(), ttv.getHeight()};
getDescendantCoordRelativeToAncestor(ttv, ttv.getRootView(), tvBoundsMapped, false);
RectF tvBoundsInRoot = new RectF(
tvBoundsMapped[0], tvBoundsMapped[1],
tvBoundsMapped[2], tvBoundsMapped[3]);
Matrix mt = new Matrix();
mt.setRectToRect(tvBounds, tvBoundsInRoot, ScaleToFit.FILL);
Matrix mti = new Matrix();
mt.invert(mti);
Matrix k0i = new Matrix();
simulatorToCopy.getCurrentMatrix().invert(k0i);
Matrix animationMatrix = new Matrix();
out.addOnFrameCallback(() -> {
animationMatrix.set(mt);
animationMatrix.postConcat(k0i);
animationMatrix.postConcat(simulatorToCopy.getCurrentMatrix());
animationMatrix.postConcat(mti);
ttv.setAnimationMatrix(animationMatrix);
});
out.addListener(new AnimatorListenerAdapter() {
@Override
public void onAnimationEnd(Animator animation) {
ttv.setAnimationMatrix(null);
}
});
}
out.addListener(new AnimationSuccessListener() {
@Override
public void onAnimationSuccess(Animator animator) {
if (isQuickSwitch) {
InteractionJankMonitorWrapper.end(
InteractionJankMonitorWrapper.CUJ_QUICK_SWITCH);
}
}
@Override
public void onAnimationEnd(Animator animation) {
targets.release();
super.onAnimationEnd(animation);
}
});
if (depthController != null) {
out.setFloat(depthController, DEPTH, BACKGROUND_APP.getDepth(context),
TOUCH_RESPONSE_INTERPOLATOR);
}
}
/**
* TODO: This doesn't animate at present. Feel free to blow out everyhing in this method
* if needed
*
* We could manually try to animate the just the bounds for the leashes we get back, but we try
* to do it through TaskViewSimulator(TVS) since that handles a lot of the recents UI stuff for
* us.
*
* First you have to call TVS#setPreview() to indicate which leash it will operate one
* Then operations happen in TVS#apply() on each frame callback.
*
* TVS uses DeviceProfile to try to figure out things like task height and such based on if the
* device is in multiWindowMode or not. It's unclear given the two calls to startTask() when the
* device is considered in multiWindowMode and things like insets and stuff change
* and calculations have to be adjusted in the animations for that
*/
public static void composeRecentsSplitLaunchAnimator(@NonNull TaskView initialView,
@NonNull TaskView v, @NonNull TransitionInfo transitionInfo,
SurfaceControl.Transaction t, @NonNull Runnable finishCallback) {
final TransitionInfo.Change[] splitRoots = new TransitionInfo.Change[2];
for (int i = 0; i < transitionInfo.getChanges().size(); ++i) {
final TransitionInfo.Change change = transitionInfo.getChanges().get(i);
final int taskId = change.getTaskInfo() != null ? change.getTaskInfo().taskId : -1;
final int mode = change.getMode();
// Find the target tasks' root tasks since those are the split stages that need to
// be animated (the tasks themselves are children and thus inherit animation).
if (taskId == initialView.getTask().key.id || taskId == v.getTask().key.id) {
if (!(mode == TRANSIT_OPEN || mode == TRANSIT_TO_FRONT)) {
throw new IllegalStateException(
"Expected task to be showing, but it is " + mode);
}
if (change.getParent() == null) {
throw new IllegalStateException("Initiating multi-split launch but the split"
+ "root of " + taskId + " is already visible or has broken hierarchy.");
}
splitRoots[taskId == initialView.getTask().key.id ? 0 : 1] =
transitionInfo.getChange(change.getParent());
}
}
// This is where we should animate the split roots. For now, though, just make them visible.
for (int i = 0; i < 2; ++i) {
t.show(splitRoots[i].getLeash());
t.setAlpha(splitRoots[i].getLeash(), 1.f);
}
// This contains the initial state (before animation), so apply this at the beginning of
// the animation.
t.apply();
// Once there is an animation, this should be called AFTER the animation completes.
finishCallback.run();
}
/** Legacy version (until shell transitions are enabled) */
public static void composeRecentsSplitLaunchAnimatorLegacy(@NonNull TaskView initialView,
@NonNull TaskView v, @NonNull RemoteAnimationTargetCompat[] appTargets,
@NonNull RemoteAnimationTargetCompat[] wallpaperTargets,
@NonNull RemoteAnimationTargetCompat[] nonAppTargets,
@NonNull Runnable finishCallback) {
final int[] splitRoots = new int[2];
for (int i = 0; i < appTargets.length; ++i) {
final int taskId = appTargets[i].taskInfo != null ? appTargets[i].taskInfo.taskId : -1;
final int mode = appTargets[i].mode;
if (taskId == initialView.getTask().key.id || taskId == v.getTask().key.id) {
if (mode != MODE_OPENING) {
throw new IllegalStateException(
"Expected task to be opening, but it is " + mode);
}
splitRoots[taskId == initialView.getTask().key.id ? 0 : 1] = i;
}
}
SurfaceControl.Transaction t = new SurfaceControl.Transaction();
// This is where we should animate the split roots. For now, though, just make them visible.
for (int i = 0; i < 2; ++i) {
t.show(appTargets[splitRoots[i]].leash.getSurfaceControl());
t.setAlpha(appTargets[splitRoots[i]].leash.getSurfaceControl(), 1.f);
}
// This contains the initial state (before animation), so apply this at the beginning of
// the animation.
t.apply();
// Once there is an animation, this should be called AFTER the animation completes.
finishCallback.run();
}
public static void composeRecentsLaunchAnimator(@NonNull AnimatorSet anim, @NonNull View v,
@NonNull RemoteAnimationTargetCompat[] appTargets,
@NonNull RemoteAnimationTargetCompat[] wallpaperTargets,
@NonNull RemoteAnimationTargetCompat[] nonAppTargets, boolean launcherClosing,
@NonNull StateManager stateManager, @NonNull RecentsView recentsView,
@NonNull DepthController depthController) {
boolean skipLauncherChanges = !launcherClosing;
TaskView taskView = findTaskViewToLaunch(recentsView, v, appTargets);
PendingAnimation pa = new PendingAnimation(RECENTS_LAUNCH_DURATION);
createRecentsWindowAnimator(taskView, skipLauncherChanges, appTargets, wallpaperTargets,
nonAppTargets, depthController, pa);
if (launcherClosing) {
// TODO(b/182592057): differentiate between "restore split" vs "launch fullscreen app"
TaskViewUtils.setDividerBarShown(nonAppTargets, true);
}
Animator childStateAnimation = null;
// Found a visible recents task that matches the opening app, lets launch the app from there
Animator launcherAnim;
final AnimatorListenerAdapter windowAnimEndListener;
if (launcherClosing) {
Context context = v.getContext();
DeviceProfile dp = BaseActivity.fromContext(context).getDeviceProfile();
launcherAnim = dp.overviewShowAsGrid
? ObjectAnimator.ofFloat(recentsView, RecentsView.CONTENT_ALPHA, 0)
: recentsView.createAdjacentPageAnimForTaskLaunch(taskView);
launcherAnim.setInterpolator(Interpolators.TOUCH_RESPONSE_INTERPOLATOR);
launcherAnim.setDuration(RECENTS_LAUNCH_DURATION);
// Make sure recents gets fixed up by resetting task alphas and scales, etc.
windowAnimEndListener = new AnimatorListenerAdapter() {
@Override
public void onAnimationEnd(Animator animation) {
recentsView.finishRecentsAnimation(false /* toRecents */, () -> {
recentsView.post(() -> {
stateManager.moveToRestState();
stateManager.reapplyState();
});
});
}
};
} else {
AnimatorPlaybackController controller =
stateManager.createAnimationToNewWorkspace(NORMAL, RECENTS_LAUNCH_DURATION);
controller.dispatchOnStart();
childStateAnimation = controller.getTarget();
launcherAnim = controller.getAnimationPlayer().setDuration(RECENTS_LAUNCH_DURATION);
windowAnimEndListener = new AnimatorListenerAdapter() {
@Override
public void onAnimationEnd(Animator animation) {
recentsView.finishRecentsAnimation(false /* toRecents */,
() -> stateManager.goToState(NORMAL, false));
}
};
}
pa.add(launcherAnim);
if (ENABLE_QUICKSTEP_LIVE_TILE.get() && recentsView.getRunningTaskIndex() != -1) {
pa.addOnFrameCallback(recentsView::redrawLiveTile);
}
anim.play(pa.buildAnim());
// Set the current animation first, before adding windowAnimEndListener. Setting current
// animation adds some listeners which need to be called before windowAnimEndListener
// (the ordering of listeners matter in this case).
stateManager.setCurrentAnimation(anim, childStateAnimation);
anim.addListener(windowAnimEndListener);
}
static void setDividerBarShown(RemoteAnimationTargetCompat[] nonApps, boolean shown) {
// TODO(b/182592057): make this part of the animations instead.
if (nonApps != null && nonApps.length > 0) {
for (int i = 0; i < nonApps.length; ++i) {
final RemoteAnimationTargetCompat targ = nonApps[i];
if (targ.windowType == TYPE_DOCK_DIVIDER) {
SurfaceControl.Transaction t = new SurfaceControl.Transaction();
t.setVisibility(targ.leash.getSurfaceControl(), shown);
t.apply();
t.close();
}
}
}
}
}