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/*
* Copyright (C) 2018 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;
import static android.util.TypedValue.COMPLEX_UNIT_DIP;
import static com.android.launcher3.BaseActivity.INVISIBLE_ALL;
import static com.android.launcher3.BaseActivity.INVISIBLE_BY_APP_TRANSITIONS;
import static com.android.launcher3.BaseActivity.INVISIBLE_BY_PENDING_FLAGS;
import static com.android.launcher3.BaseActivity.PENDING_INVISIBLE_BY_WALLPAPER_ANIMATION;
import static com.android.launcher3.LauncherState.ALL_APPS;
import static com.android.launcher3.LauncherState.BACKGROUND_APP;
import static com.android.launcher3.LauncherState.OVERVIEW;
import static com.android.launcher3.Utilities.postAsyncCallback;
import static com.android.launcher3.allapps.AllAppsTransitionController.ALL_APPS_PROGRESS;
import static com.android.launcher3.anim.Interpolators.AGGRESSIVE_EASE;
import static com.android.launcher3.anim.Interpolators.DEACCEL_1_7;
import static com.android.launcher3.anim.Interpolators.EXAGGERATED_EASE;
import static com.android.launcher3.anim.Interpolators.LINEAR;
import static com.android.launcher3.config.FeatureFlags.KEYGUARD_ANIMATION;
import static com.android.launcher3.config.FeatureFlags.SEPARATE_RECENTS_ACTIVITY;
import static com.android.launcher3.dragndrop.DragLayer.ALPHA_INDEX_TRANSITIONS;
import static com.android.launcher3.statehandlers.DepthController.DEPTH;
import static com.android.launcher3.views.FloatingIconView.SHAPE_PROGRESS_DURATION;
import static com.android.quickstep.TaskUtils.taskIsATargetWithMode;
import static com.android.systemui.shared.system.QuickStepContract.getWindowCornerRadius;
import static com.android.systemui.shared.system.QuickStepContract.supportsRoundedCornersOnWindows;
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.animation.ValueAnimator;
import android.annotation.TargetApi;
import android.app.ActivityOptions;
import android.content.Context;
import android.content.pm.PackageManager;
import android.content.res.Resources;
import android.graphics.Matrix;
import android.graphics.Point;
import android.graphics.Rect;
import android.graphics.RectF;
import android.graphics.drawable.Drawable;
import android.os.Build;
import android.os.CancellationSignal;
import android.os.Handler;
import android.os.Looper;
import android.util.Pair;
import android.util.TypedValue;
import android.view.View;
import androidx.annotation.NonNull;
import androidx.annotation.Nullable;
import com.android.launcher3.DeviceProfile.OnDeviceProfileChangeListener;
import com.android.launcher3.allapps.AllAppsTransitionController;
import com.android.launcher3.config.FeatureFlags;
import com.android.launcher3.dragndrop.DragLayer;
import com.android.launcher3.shortcuts.DeepShortcutView;
import com.android.launcher3.statehandlers.DepthController;
import com.android.launcher3.util.DynamicResource;
import com.android.launcher3.util.MultiValueAlpha;
import com.android.launcher3.util.MultiValueAlpha.AlphaProperty;
import com.android.launcher3.views.FloatingIconView;
import com.android.quickstep.RemoteAnimationTargets;
import com.android.quickstep.util.MultiValueUpdateListener;
import com.android.quickstep.util.RemoteAnimationProvider;
import com.android.quickstep.util.StaggeredWorkspaceAnim;
import com.android.quickstep.util.SurfaceTransactionApplier;
import com.android.systemui.shared.system.ActivityCompat;
import com.android.systemui.shared.system.ActivityOptionsCompat;
import com.android.systemui.shared.system.QuickStepContract;
import com.android.systemui.shared.system.RemoteAnimationAdapterCompat;
import com.android.systemui.shared.system.RemoteAnimationDefinitionCompat;
import com.android.systemui.shared.system.RemoteAnimationRunnerCompat;
import com.android.systemui.shared.system.RemoteAnimationTargetCompat;
import com.android.systemui.shared.system.SyncRtSurfaceTransactionApplierCompat.SurfaceParams;
import com.android.systemui.shared.system.WindowManagerWrapper;
/**
* {@link LauncherAppTransitionManager} with Quickstep-specific app transitions for launching from
* home and/or all-apps. Not used for 3p launchers.
*/
@TargetApi(Build.VERSION_CODES.O)
@SuppressWarnings("unused")
public abstract class QuickstepAppTransitionManagerImpl extends LauncherAppTransitionManager
implements OnDeviceProfileChangeListener {
private static final String TAG = "QuickstepTransition";
/** Duration of status bar animations. */
public static final int STATUS_BAR_TRANSITION_DURATION = 120;
/**
* Since our animations decelerate heavily when finishing, we want to start status bar animations
* x ms before the ending.
*/
public static final int STATUS_BAR_TRANSITION_PRE_DELAY = 96;
private static final String CONTROL_REMOTE_APP_TRANSITION_PERMISSION =
"android.permission.CONTROL_REMOTE_APP_TRANSITION_ANIMATIONS";
private static final long APP_LAUNCH_DURATION = 450;
// Use a shorter duration for x or y translation to create a curve effect
private static final long APP_LAUNCH_CURVED_DURATION = 250;
private static final long APP_LAUNCH_ALPHA_DURATION = 50;
private static final long APP_LAUNCH_ALPHA_START_DELAY = 25;
// We scale the durations for the downward app launch animations (minus the scale animation).
private static final float APP_LAUNCH_DOWN_DUR_SCALE_FACTOR = 0.8f;
private static final long APP_LAUNCH_DOWN_DURATION =
(long) (APP_LAUNCH_DURATION * APP_LAUNCH_DOWN_DUR_SCALE_FACTOR);
private static final long APP_LAUNCH_DOWN_CURVED_DURATION =
(long) (APP_LAUNCH_CURVED_DURATION * APP_LAUNCH_DOWN_DUR_SCALE_FACTOR);
private static final long APP_LAUNCH_ALPHA_DOWN_DURATION =
(long) (APP_LAUNCH_ALPHA_DURATION * APP_LAUNCH_DOWN_DUR_SCALE_FACTOR);
private static final long CROP_DURATION = 375;
private static final long RADIUS_DURATION = 375;
public static final int RECENTS_LAUNCH_DURATION = 336;
private static final int LAUNCHER_RESUME_START_DELAY = 100;
private static final int CLOSING_TRANSITION_DURATION_MS = 250;
protected static final int CONTENT_ALPHA_DURATION = 217;
protected static final int CONTENT_TRANSLATION_DURATION = 350;
// Progress = 0: All apps is fully pulled up, Progress = 1: All apps is fully pulled down.
public static final float ALL_APPS_PROGRESS_OFF_SCREEN = 1.3059858f;
protected final BaseQuickstepLauncher mLauncher;
private final DragLayer mDragLayer;
private final AlphaProperty mDragLayerAlpha;
final Handler mHandler;
private final boolean mIsRtl;
private final float mContentTransY;
private final float mWorkspaceTransY;
private final float mClosingWindowTransY;
private DeviceProfile mDeviceProfile;
private RemoteAnimationProvider mRemoteAnimationProvider;
// Strong refs to runners which are cleared when the launcher activity is destroyed
private WrappedAnimationRunnerImpl mWallpaperOpenRunner;
private WrappedAnimationRunnerImpl mAppLaunchRunner;
private WrappedAnimationRunnerImpl mKeyguardGoingAwayRunner;
private final AnimatorListenerAdapter mForceInvisibleListener = new AnimatorListenerAdapter() {
@Override
public void onAnimationStart(Animator animation) {
mLauncher.addForceInvisibleFlag(INVISIBLE_BY_APP_TRANSITIONS);
}
@Override
public void onAnimationEnd(Animator animation) {
mLauncher.clearForceInvisibleFlag(INVISIBLE_BY_APP_TRANSITIONS);
}
};
public QuickstepAppTransitionManagerImpl(Context context) {
mLauncher = Launcher.cast(Launcher.getLauncher(context));
mDragLayer = mLauncher.getDragLayer();
mDragLayerAlpha = mDragLayer.getAlphaProperty(ALPHA_INDEX_TRANSITIONS);
mHandler = new Handler(Looper.getMainLooper());
mIsRtl = Utilities.isRtl(mLauncher.getResources());
mDeviceProfile = mLauncher.getDeviceProfile();
Resources res = mLauncher.getResources();
mContentTransY = res.getDimensionPixelSize(R.dimen.content_trans_y);
mWorkspaceTransY = res.getDimensionPixelSize(R.dimen.workspace_trans_y);
mClosingWindowTransY = res.getDimensionPixelSize(R.dimen.closing_window_trans_y);
mLauncher.addOnDeviceProfileChangeListener(this);
}
@Override
public void onDeviceProfileChanged(DeviceProfile dp) {
mDeviceProfile = dp;
}
@Override
public boolean supportsAdaptiveIconAnimation() {
return hasControlRemoteAppTransitionPermission()
&& FeatureFlags.ADAPTIVE_ICON_WINDOW_ANIM.get();
}
/**
* @return ActivityOptions with remote animations that controls how the window of the opening
* targets are displayed.
*/
@Override
public ActivityOptions getActivityLaunchOptions(Launcher launcher, View v) {
if (hasControlRemoteAppTransitionPermission()) {
boolean fromRecents = isLaunchingFromRecents(v, null /* targets */);
mAppLaunchRunner = new AppLaunchAnimationRunner(mHandler, v);
RemoteAnimationRunnerCompat runner = new WrappedLauncherAnimationRunner<>(
mAppLaunchRunner, true /* startAtFrontOfQueue */);
// Note that this duration is a guess as we do not know if the animation will be a
// recents launch or not for sure until we know the opening app targets.
long duration = fromRecents
? RECENTS_LAUNCH_DURATION
: APP_LAUNCH_DURATION;
long statusBarTransitionDelay = duration - STATUS_BAR_TRANSITION_DURATION
- STATUS_BAR_TRANSITION_PRE_DELAY;
return ActivityOptionsCompat.makeRemoteAnimation(new RemoteAnimationAdapterCompat(
runner, duration, statusBarTransitionDelay));
}
return super.getActivityLaunchOptions(launcher, v);
}
/**
* Whether the launch is a recents app transition and we should do a launch animation
* from the recents view. Note that if the remote animation targets are not provided, this
* may not always be correct as we may resolve the opening app to a task when the animation
* starts.
*
* @param v the view to launch from
* @param targets apps that are opening/closing
* @return true if the app is launching from recents, false if it most likely is not
*/
protected abstract boolean isLaunchingFromRecents(@NonNull View v,
@Nullable RemoteAnimationTargetCompat[] targets);
/**
* Composes the animations for a launch from the recents list.
*
* @param anim the animator set to add to
* @param v the launching view
* @param appTargets the apps that are opening/closing
* @param launcherClosing true if the launcher app is closing
*/
protected abstract void composeRecentsLaunchAnimator(@NonNull AnimatorSet anim, @NonNull View v,
@NonNull RemoteAnimationTargetCompat[] appTargets,
@NonNull RemoteAnimationTargetCompat[] wallpaperTargets, boolean launcherClosing);
/**
* Compose the animations for a launch from the app icon.
*
* @param anim the animation to add to
* @param v the launching view with the icon
* @param appTargets the list of opening/closing apps
* @param launcherClosing true if launcher is closing
*/
private void composeIconLaunchAnimator(@NonNull AnimatorSet anim, @NonNull View v,
@NonNull RemoteAnimationTargetCompat[] appTargets,
@NonNull RemoteAnimationTargetCompat[] wallpaperTargets,
boolean launcherClosing) {
// Set the state animation first so that any state listeners are called
// before our internal listeners.
mLauncher.getStateManager().setCurrentAnimation(anim);
Rect windowTargetBounds = getWindowTargetBounds(appTargets);
boolean isAllOpeningTargetTrs = true;
for (int i = 0; i < appTargets.length; i++) {
RemoteAnimationTargetCompat target = appTargets[i];
if (target.mode == MODE_OPENING) {
isAllOpeningTargetTrs &= target.isTranslucent;
}
if (!isAllOpeningTargetTrs) break;
}
anim.play(getOpeningWindowAnimators(v, appTargets, wallpaperTargets, windowTargetBounds,
!isAllOpeningTargetTrs));
if (launcherClosing) {
Pair<AnimatorSet, Runnable> launcherContentAnimator =
getLauncherContentAnimator(true /* isAppOpening */,
new float[] {0, -mContentTransY});
anim.play(launcherContentAnimator.first);
anim.addListener(new AnimatorListenerAdapter() {
@Override
public void onAnimationEnd(Animator animation) {
launcherContentAnimator.second.run();
}
});
} else {
anim.addListener(new AnimatorListenerAdapter() {
@Override
public void onAnimationStart(Animator animation) {
mLauncher.addOnResumeCallback(() ->
ObjectAnimator.ofFloat(mLauncher.getDepthController(), DEPTH,
mLauncher.getStateManager().getState().getDepth(mLauncher)).start());
}
});
}
}
/**
* Return the window bounds of the opening target.
* In multiwindow mode, we need to get the final size of the opening app window target to help
* figure out where the floating view should animate to.
*/
private Rect getWindowTargetBounds(RemoteAnimationTargetCompat[] appTargets) {
Rect bounds = new Rect(0, 0, mDeviceProfile.widthPx, mDeviceProfile.heightPx);
if (mLauncher.isInMultiWindowMode()) {
for (RemoteAnimationTargetCompat target : appTargets) {
if (target.mode == MODE_OPENING) {
bounds.set(target.screenSpaceBounds);
if (target.localBounds != null) {
bounds.set(target.localBounds);
} else {
bounds.offsetTo(target.position.x, target.position.y);
}
return bounds;
}
}
}
return bounds;
}
public void setRemoteAnimationProvider(final RemoteAnimationProvider animationProvider,
CancellationSignal cancellationSignal) {
mRemoteAnimationProvider = animationProvider;
cancellationSignal.setOnCancelListener(() -> {
if (animationProvider == mRemoteAnimationProvider) {
mRemoteAnimationProvider = null;
}
});
}
/**
* Content is everything on screen except the background and the floating view (if any).
*
* @param isAppOpening True when this is called when an app is opening.
* False when this is called when an app is closing.
* @param trans Array that contains the start and end translation values for the content.
*/
private Pair<AnimatorSet, Runnable> getLauncherContentAnimator(boolean isAppOpening,
float[] trans) {
AnimatorSet launcherAnimator = new AnimatorSet();
Runnable endListener;
float[] alphas = isAppOpening
? new float[] {1, 0}
: new float[] {0, 1};
if (mLauncher.isInState(ALL_APPS)) {
// All Apps in portrait mode is full screen, so we only animate AllAppsContainerView.
final View appsView = mLauncher.getAppsView();
final float startAlpha = appsView.getAlpha();
final float startY = appsView.getTranslationY();
appsView.setAlpha(alphas[0]);
appsView.setTranslationY(trans[0]);
ObjectAnimator alpha = ObjectAnimator.ofFloat(appsView, View.ALPHA, alphas);
alpha.setDuration(CONTENT_ALPHA_DURATION);
alpha.setInterpolator(LINEAR);
appsView.setLayerType(View.LAYER_TYPE_HARDWARE, null);
alpha.addListener(new AnimatorListenerAdapter() {
@Override
public void onAnimationEnd(Animator animation) {
appsView.setLayerType(View.LAYER_TYPE_NONE, null);
}
});
ObjectAnimator transY = ObjectAnimator.ofFloat(appsView, View.TRANSLATION_Y, trans);
transY.setInterpolator(AGGRESSIVE_EASE);
transY.setDuration(CONTENT_TRANSLATION_DURATION);
launcherAnimator.play(alpha);
launcherAnimator.play(transY);
endListener = () -> {
appsView.setAlpha(startAlpha);
appsView.setTranslationY(startY);
appsView.setLayerType(View.LAYER_TYPE_NONE, null);
};
} else if (mLauncher.isInState(OVERVIEW)) {
AllAppsTransitionController allAppsController = mLauncher.getAllAppsController();
launcherAnimator.play(ObjectAnimator.ofFloat(allAppsController, ALL_APPS_PROGRESS,
allAppsController.getProgress(), ALL_APPS_PROGRESS_OFF_SCREEN));
endListener = composeViewContentAnimator(launcherAnimator, alphas, trans);
} else {
mDragLayerAlpha.setValue(alphas[0]);
ObjectAnimator alpha =
ObjectAnimator.ofFloat(mDragLayerAlpha, MultiValueAlpha.VALUE, alphas);
alpha.setDuration(CONTENT_ALPHA_DURATION);
alpha.setInterpolator(LINEAR);
launcherAnimator.play(alpha);
Workspace workspace = mLauncher.getWorkspace();
View currentPage = ((CellLayout) workspace.getChildAt(workspace.getCurrentPage()))
.getShortcutsAndWidgets();
View hotseat = mLauncher.getHotseat();
View qsb = mLauncher.findViewById(R.id.search_container_all_apps);
currentPage.setLayerType(View.LAYER_TYPE_HARDWARE, null);
hotseat.setLayerType(View.LAYER_TYPE_HARDWARE, null);
qsb.setLayerType(View.LAYER_TYPE_HARDWARE, null);
launcherAnimator.play(ObjectAnimator.ofFloat(currentPage, View.TRANSLATION_Y, trans));
launcherAnimator.play(ObjectAnimator.ofFloat(hotseat, View.TRANSLATION_Y, trans));
launcherAnimator.play(ObjectAnimator.ofFloat(qsb, View.TRANSLATION_Y, trans));
// Pause page indicator animations as they lead to layer trashing.
mLauncher.getWorkspace().getPageIndicator().pauseAnimations();
endListener = () -> {
currentPage.setTranslationY(0);
hotseat.setTranslationY(0);
qsb.setTranslationY(0);
currentPage.setLayerType(View.LAYER_TYPE_NONE, null);
hotseat.setLayerType(View.LAYER_TYPE_NONE, null);
qsb.setLayerType(View.LAYER_TYPE_NONE, null);
mDragLayerAlpha.setValue(1f);
mLauncher.getWorkspace().getPageIndicator().skipAnimationsToEnd();
};
}
return new Pair<>(launcherAnimator, endListener);
}
/**
* Compose recents view alpha and translation Y animation when launcher opens/closes apps.
*
* @param anim the animator set to add to
* @param alphas the alphas to animate to over time
* @param trans the translation Y values to animator to over time
* @return listener to run when the animation ends
*/
protected abstract Runnable composeViewContentAnimator(@NonNull AnimatorSet anim,
float[] alphas, float[] trans);
/**
* @return Animator that controls the window of the opening targets from app icons.
*/
private Animator getOpeningWindowAnimators(View v,
RemoteAnimationTargetCompat[] appTargets,
RemoteAnimationTargetCompat[] wallpaperTargets,
Rect windowTargetBounds, boolean toggleVisibility) {
RectF bounds = new RectF();
FloatingIconView floatingView = FloatingIconView.getFloatingIconView(mLauncher, v,
toggleVisibility, bounds, true /* isOpening */);
Rect crop = new Rect();
Matrix matrix = new Matrix();
RemoteAnimationTargets openingTargets = new RemoteAnimationTargets(appTargets,
wallpaperTargets, MODE_OPENING);
SurfaceTransactionApplier surfaceApplier =
new SurfaceTransactionApplier(floatingView);
openingTargets.addReleaseCheck(surfaceApplier);
// Scale the app icon to take up the entire screen. This simplifies the math when
// animating the app window position / scale.
float smallestSize = Math.min(windowTargetBounds.height(), windowTargetBounds.width());
float maxScaleX = smallestSize / bounds.width();
float maxScaleY = smallestSize / bounds.height();
float scale = Math.max(maxScaleX, maxScaleY);
float startScale = 1f;
if (v instanceof BubbleTextView && !(v.getParent() instanceof DeepShortcutView)) {
Drawable dr = ((BubbleTextView) v).getIcon();
if (dr instanceof FastBitmapDrawable) {
startScale = ((FastBitmapDrawable) dr).getAnimatedScale();
}
}
final float initialStartScale = startScale;
int[] dragLayerBounds = new int[2];
mDragLayer.getLocationOnScreen(dragLayerBounds);
// Animate the app icon to the center of the window bounds in screen coordinates.
float centerX = windowTargetBounds.centerX() - dragLayerBounds[0];
float centerY = windowTargetBounds.centerY() - dragLayerBounds[1];
float dX = centerX - bounds.centerX();
float dY = centerY - bounds.centerY();
boolean useUpwardAnimation = bounds.top > centerY
|| Math.abs(dY) < mLauncher.getDeviceProfile().cellHeightPx;
final long xDuration = useUpwardAnimation ? APP_LAUNCH_CURVED_DURATION
: APP_LAUNCH_DOWN_DURATION;
final long yDuration = useUpwardAnimation ? APP_LAUNCH_DURATION
: APP_LAUNCH_DOWN_CURVED_DURATION;
final long alphaDuration = useUpwardAnimation ? APP_LAUNCH_ALPHA_DURATION
: APP_LAUNCH_ALPHA_DOWN_DURATION;
RectF targetBounds = new RectF(windowTargetBounds);
RectF iconBounds = new RectF();
RectF temp = new RectF();
Point tmpPos = new Point();
AnimatorSet animatorSet = new AnimatorSet();
ValueAnimator appAnimator = ValueAnimator.ofFloat(0, 1);
appAnimator.setDuration(APP_LAUNCH_DURATION);
appAnimator.setInterpolator(LINEAR);
appAnimator.addListener(floatingView);
appAnimator.addListener(new AnimatorListenerAdapter() {
@Override
public void onAnimationEnd(Animator animation) {
if (v instanceof BubbleTextView) {
((BubbleTextView) v).setStayPressed(false);
}
openingTargets.release();
}
});
float shapeRevealDuration = APP_LAUNCH_DURATION * SHAPE_PROGRESS_DURATION;
final float startCrop;
final float endCrop;
if (mDeviceProfile.isVerticalBarLayout()) {
startCrop = windowTargetBounds.height();
endCrop = windowTargetBounds.width();
} else {
startCrop = windowTargetBounds.width();
endCrop = windowTargetBounds.height();
}
final float initialWindowRadius = supportsRoundedCornersOnWindows(mLauncher.getResources())
? startCrop / 2f : 0f;
final float windowRadius = mDeviceProfile.isMultiWindowMode
? 0 : getWindowCornerRadius(mLauncher.getResources());
appAnimator.addUpdateListener(new MultiValueUpdateListener() {
FloatProp mDx = new FloatProp(0, dX, 0, xDuration, AGGRESSIVE_EASE);
FloatProp mDy = new FloatProp(0, dY, 0, yDuration, AGGRESSIVE_EASE);
FloatProp mScale = new FloatProp(initialStartScale, scale, 0, APP_LAUNCH_DURATION,
EXAGGERATED_EASE);
FloatProp mIconAlpha = new FloatProp(1f, 0f, APP_LAUNCH_ALPHA_START_DELAY,
alphaDuration, LINEAR);
FloatProp mCroppedSize = new FloatProp(startCrop, endCrop, 0, CROP_DURATION,
EXAGGERATED_EASE);
FloatProp mWindowRadius = new FloatProp(initialWindowRadius, windowRadius, 0,
RADIUS_DURATION, EXAGGERATED_EASE);
@Override
public void onUpdate(float percent) {
// Calculate the size.
float width = bounds.width() * mScale.value;
float height = bounds.height() * mScale.value;
// Animate the crop so that it starts off as a square.
final int cropWidth;
final int cropHeight;
if (mDeviceProfile.isVerticalBarLayout()) {
cropWidth = (int) mCroppedSize.value;
cropHeight = windowTargetBounds.height();
} else {
cropWidth = windowTargetBounds.width();
cropHeight = (int) mCroppedSize.value;
}
crop.set(0, 0, cropWidth, cropHeight);
// Scale the size to match the crop.
float scaleX = width / cropWidth;
float scaleY = height / cropHeight;
float scale = Math.min(1f, Math.max(scaleX, scaleY));
float scaledCropWidth = cropWidth * scale;
float scaledCropHeight = cropHeight * scale;
float offsetX = (scaledCropWidth - width) / 2;
float offsetY = (scaledCropHeight - height) / 2;
// Calculate the window position.
temp.set(bounds);
temp.offset(dragLayerBounds[0], dragLayerBounds[1]);
temp.offset(mDx.value, mDy.value);
Utilities.scaleRectFAboutCenter(temp, mScale.value);
float windowTransX0 = temp.left - offsetX;
float windowTransY0 = temp.top - offsetY;
// Calculate the icon position.
iconBounds.set(bounds);
iconBounds.offset(mDx.value, mDy.value);
Utilities.scaleRectFAboutCenter(iconBounds, mScale.value);
iconBounds.left -= offsetX;
iconBounds.top -= offsetY;
iconBounds.right += offsetX;
iconBounds.bottom += offsetY;
float croppedHeight = (windowTargetBounds.height() - crop.height()) * scale;
float croppedWidth = (windowTargetBounds.width() - crop.width()) * scale;
SurfaceParams[] params = new SurfaceParams[appTargets.length];
for (int i = appTargets.length - 1; i >= 0; i--) {
RemoteAnimationTargetCompat target = appTargets[i];
SurfaceParams.Builder builder = new SurfaceParams.Builder(target.leash);
if (target.mode == MODE_OPENING) {
matrix.setScale(scale, scale);
matrix.postTranslate(windowTransX0, windowTransY0);
floatingView.update(iconBounds, mIconAlpha.value, percent, 0f,
mWindowRadius.value * scale, true /* isOpening */);
builder.withMatrix(matrix)
.withWindowCrop(crop)
.withAlpha(1f - mIconAlpha.value)
.withCornerRadius(mWindowRadius.value);
} else {
tmpPos.set(target.position.x, target.position.y);
if (target.localBounds != null) {
final Rect localBounds = target.localBounds;
tmpPos.set(target.localBounds.left, target.localBounds.top);
}
matrix.setTranslate(tmpPos.x, tmpPos.y);
builder.withMatrix(matrix)
.withWindowCrop(target.screenSpaceBounds)
.withAlpha(1f);
}
params[i] = builder.build();
}
surfaceApplier.scheduleApply(params);
}
});
// When launching an app from overview that doesn't map to a task, we still want to just
// blur the wallpaper instead of the launcher surface as well
boolean allowBlurringLauncher = mLauncher.getStateManager().getState() != OVERVIEW;
DepthController depthController = mLauncher.getDepthController();
ObjectAnimator backgroundRadiusAnim = ObjectAnimator.ofFloat(depthController, DEPTH,
BACKGROUND_APP.getDepth(mLauncher))
.setDuration(APP_LAUNCH_DURATION);
if (allowBlurringLauncher) {
depthController.setSurfaceToApp(RemoteAnimationProvider.findLowestOpaqueLayerTarget(
appTargets, MODE_OPENING));
backgroundRadiusAnim.addListener(new AnimatorListenerAdapter() {
@Override
public void onAnimationEnd(Animator animation) {
depthController.setSurfaceToApp(null);
}
});
}
animatorSet.playTogether(appAnimator, backgroundRadiusAnim);
return animatorSet;
}
/**
* Registers remote animations used when closing apps to home screen.
*/
@Override
public void registerRemoteAnimations() {
if (SEPARATE_RECENTS_ACTIVITY.get()) {
return;
}
if (hasControlRemoteAppTransitionPermission()) {
mWallpaperOpenRunner = createWallpaperOpenRunner(false /* fromUnlock */);
RemoteAnimationDefinitionCompat definition = new RemoteAnimationDefinitionCompat();
definition.addRemoteAnimation(WindowManagerWrapper.TRANSIT_WALLPAPER_OPEN,
WindowManagerWrapper.ACTIVITY_TYPE_STANDARD,
new RemoteAnimationAdapterCompat(
new WrappedLauncherAnimationRunner<>(mWallpaperOpenRunner,
false /* startAtFrontOfQueue */),
CLOSING_TRANSITION_DURATION_MS, 0 /* statusBarTransitionDelay */));
if (KEYGUARD_ANIMATION.get()) {
mKeyguardGoingAwayRunner = createWallpaperOpenRunner(true /* fromUnlock */);
definition.addRemoteAnimation(
WindowManagerWrapper.TRANSIT_KEYGUARD_GOING_AWAY_ON_WALLPAPER,
new RemoteAnimationAdapterCompat(
new WrappedLauncherAnimationRunner<>(mKeyguardGoingAwayRunner,
true /* startAtFrontOfQueue */),
CLOSING_TRANSITION_DURATION_MS, 0 /* statusBarTransitionDelay */));
}
new ActivityCompat(mLauncher).registerRemoteAnimations(definition);
}
}
/**
* Unregisters all remote animations.
*/
@Override
public void unregisterRemoteAnimations() {
if (SEPARATE_RECENTS_ACTIVITY.get()) {
return;
}
if (hasControlRemoteAppTransitionPermission()) {
new ActivityCompat(mLauncher).unregisterRemoteAnimations();
// Also clear strong references to the runners registered with the remote animation
// definition so we don't have to wait for the system gc
mWallpaperOpenRunner = null;
mAppLaunchRunner = null;
mKeyguardGoingAwayRunner = null;
}
}
private boolean launcherIsATargetWithMode(RemoteAnimationTargetCompat[] targets, int mode) {
return taskIsATargetWithMode(targets, mLauncher.getTaskId(), mode);
}
/**
* @return Runner that plays when user goes to Launcher
* ie. pressing home, swiping up from nav bar.
*/
WrappedAnimationRunnerImpl createWallpaperOpenRunner(boolean fromUnlock) {
return new WallpaperOpenLauncherAnimationRunner(mHandler, fromUnlock);
}
/**
* Animator that controls the transformations of the windows when unlocking the device.
*/
private Animator getUnlockWindowAnimator(RemoteAnimationTargetCompat[] appTargets,
RemoteAnimationTargetCompat[] wallpaperTargets) {
SurfaceTransactionApplier surfaceApplier = new SurfaceTransactionApplier(mDragLayer);
ValueAnimator unlockAnimator = ValueAnimator.ofFloat(0, 1);
unlockAnimator.setDuration(CLOSING_TRANSITION_DURATION_MS);
float cornerRadius = mDeviceProfile.isMultiWindowMode ? 0 :
QuickStepContract.getWindowCornerRadius(mLauncher.getResources());
unlockAnimator.addListener(new AnimatorListenerAdapter() {
@Override
public void onAnimationStart(Animator animation) {
SurfaceParams[] params = new SurfaceParams[appTargets.length];
for (int i = appTargets.length - 1; i >= 0; i--) {
RemoteAnimationTargetCompat target = appTargets[i];
params[i] = new SurfaceParams.Builder(target.leash)
.withAlpha(1f)
.withWindowCrop(target.screenSpaceBounds)
.withCornerRadius(cornerRadius)
.build();
}
surfaceApplier.scheduleApply(params);
}
});
return unlockAnimator;
}
/**
* Animator that controls the transformations of the windows the targets that are closing.
*/
private Animator getClosingWindowAnimators(RemoteAnimationTargetCompat[] appTargets,
RemoteAnimationTargetCompat[] wallpaperTargets) {
SurfaceTransactionApplier surfaceApplier = new SurfaceTransactionApplier(mDragLayer);
Matrix matrix = new Matrix();
Point tmpPos = new Point();
ValueAnimator closingAnimator = ValueAnimator.ofFloat(0, 1);
int duration = CLOSING_TRANSITION_DURATION_MS;
float windowCornerRadius = mDeviceProfile.isMultiWindowMode
? 0 : getWindowCornerRadius(mLauncher.getResources());
closingAnimator.setDuration(duration);
closingAnimator.addUpdateListener(new MultiValueUpdateListener() {
FloatProp mDy = new FloatProp(0, mClosingWindowTransY, 0, duration, DEACCEL_1_7);
FloatProp mScale = new FloatProp(1f, 1f, 0, duration, DEACCEL_1_7);
FloatProp mAlpha = new FloatProp(1f, 0f, 25, 125, LINEAR);
@Override
public void onUpdate(float percent) {
SurfaceParams[] params = new SurfaceParams[appTargets.length];
for (int i = appTargets.length - 1; i >= 0; i--) {
RemoteAnimationTargetCompat target = appTargets[i];
SurfaceParams.Builder builder = new SurfaceParams.Builder(target.leash);
tmpPos.set(target.position.x, target.position.y);
if (target.localBounds != null) {
tmpPos.set(target.localBounds.left, target.localBounds.top);
}
if (target.mode == MODE_CLOSING) {
matrix.setScale(mScale.value, mScale.value,
target.screenSpaceBounds.centerX(),
target.screenSpaceBounds.centerY());
matrix.postTranslate(0, mDy.value);
matrix.postTranslate(tmpPos.x, tmpPos.y);
builder.withMatrix(matrix)
.withAlpha(mAlpha.value)
.withCornerRadius(windowCornerRadius);
} else {
matrix.setTranslate(tmpPos.x, tmpPos.y);
builder.withMatrix(matrix)
.withAlpha(1f);
}
params[i] = builder
.withWindowCrop(target.screenSpaceBounds)
.build();
}
surfaceApplier.scheduleApply(params);
}
});
return closingAnimator;
}
private boolean hasControlRemoteAppTransitionPermission() {
return mLauncher.checkSelfPermission(CONTROL_REMOTE_APP_TRANSITION_PERMISSION)
== PackageManager.PERMISSION_GRANTED;
}
/**
* Remote animation runner for animation from the app to Launcher, including recents.
*/
protected class WallpaperOpenLauncherAnimationRunner implements WrappedAnimationRunnerImpl {
private final Handler mHandler;
private final boolean mFromUnlock;
public WallpaperOpenLauncherAnimationRunner(Handler handler, boolean fromUnlock) {
mHandler = handler;
mFromUnlock = fromUnlock;
}
@Override
public Handler getHandler() {
return mHandler;
}
@Override
public void onCreateAnimation(RemoteAnimationTargetCompat[] appTargets,
RemoteAnimationTargetCompat[] wallpaperTargets,
LauncherAnimationRunner.AnimationResult result) {
if (mLauncher.isDestroyed()) {
AnimatorSet anim = new AnimatorSet();
anim.play(getClosingWindowAnimators(appTargets, wallpaperTargets));
result.setAnimation(anim, mLauncher.getApplicationContext());
return;
}
if (!mLauncher.hasBeenResumed()) {
// If launcher is not resumed, wait until new async-frame after resume
mLauncher.addOnResumeCallback(() ->
postAsyncCallback(mHandler, () ->
onCreateAnimation(appTargets, wallpaperTargets, result)));
return;
}
if (mLauncher.hasSomeInvisibleFlag(PENDING_INVISIBLE_BY_WALLPAPER_ANIMATION)) {
mLauncher.addForceInvisibleFlag(INVISIBLE_BY_PENDING_FLAGS);
mLauncher.getStateManager().moveToRestState();
}
AnimatorSet anim = null;
RemoteAnimationProvider provider = mRemoteAnimationProvider;
if (provider != null) {
anim = provider.createWindowAnimation(appTargets, wallpaperTargets);
}
if (anim == null) {
anim = new AnimatorSet();
anim.play(mFromUnlock
? getUnlockWindowAnimator(appTargets, wallpaperTargets)
: getClosingWindowAnimators(appTargets, wallpaperTargets));
// Normally, we run the launcher content animation when we are transitioning
// home, but if home is already visible, then we don't want to animate the
// contents of launcher unless we know that we are animating home as a result
// of the home button press with quickstep, which will result in launcher being
// started on touch down, prior to the animation home (and won't be in the
// targets list because it is already visible). In that case, we force
// invisibility on touch down, and only reset it after the animation to home
// is initialized.
if (launcherIsATargetWithMode(appTargets, MODE_OPENING)
|| mLauncher.isForceInvisible()) {
// Only register the content animation for cancellation when state changes
mLauncher.getStateManager().setCurrentAnimation(anim);
if (mLauncher.isInState(LauncherState.ALL_APPS)) {
Pair<AnimatorSet, Runnable> contentAnimator =
getLauncherContentAnimator(false /* isAppOpening */,
new float[] {-mContentTransY, 0});
contentAnimator.first.setStartDelay(LAUNCHER_RESUME_START_DELAY);
anim.play(contentAnimator.first);
anim.addListener(new AnimatorListenerAdapter() {
@Override
public void onAnimationEnd(Animator animation) {
contentAnimator.second.run();
}
});
} else {
float velocityDpPerS = DynamicResource.provider(mLauncher)
.getDimension(R.dimen.unlock_staggered_velocity_dp_per_s);
float velocityPxPerS = TypedValue.applyDimension(COMPLEX_UNIT_DIP,
velocityDpPerS, mLauncher.getResources().getDisplayMetrics());
anim.play(new StaggeredWorkspaceAnim(mLauncher, velocityPxPerS, false)
.getAnimators());
}
}
}
mLauncher.clearForceInvisibleFlag(INVISIBLE_ALL);
result.setAnimation(anim, mLauncher);
}
}
/**
* Remote animation runner for animation to launch an app.
*/
private class AppLaunchAnimationRunner implements WrappedAnimationRunnerImpl {
private final Handler mHandler;
private final View mV;
AppLaunchAnimationRunner(Handler handler, View v) {
mHandler = handler;
mV = v;
}
@Override
public Handler getHandler() {
return mHandler;
}
@Override
public void onCreateAnimation(RemoteAnimationTargetCompat[] appTargets,
RemoteAnimationTargetCompat[] wallpaperTargets,
LauncherAnimationRunner.AnimationResult result) {
AnimatorSet anim = new AnimatorSet();
boolean launcherClosing =
launcherIsATargetWithMode(appTargets, MODE_CLOSING);
if (isLaunchingFromRecents(mV, appTargets)) {
composeRecentsLaunchAnimator(anim, mV, appTargets, wallpaperTargets,
launcherClosing);
} else {
composeIconLaunchAnimator(anim, mV, appTargets, wallpaperTargets,
launcherClosing);
}
if (launcherClosing) {
anim.addListener(mForceInvisibleListener);
}
result.setAnimation(anim, mLauncher);
}
}
}