/* * Copyright (C) 2021 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.taskbar; import static com.android.app.animation.Interpolators.FINAL_FRAME; import static com.android.app.animation.Interpolators.LINEAR; import static com.android.launcher3.LauncherAnimUtils.SCALE_PROPERTY; import static com.android.launcher3.LauncherAnimUtils.VIEW_ALPHA; import static com.android.launcher3.LauncherAnimUtils.VIEW_TRANSLATE_X; import static com.android.launcher3.LauncherAnimUtils.VIEW_TRANSLATE_Y; import static com.android.launcher3.Utilities.squaredHypot; import static com.android.launcher3.anim.AnimatedFloat.VALUE; import static com.android.launcher3.anim.AnimatorListeners.forEndCallback; import static com.android.launcher3.logging.StatsLogManager.LauncherEvent.LAUNCHER_TASKBAR_ALLAPPS_BUTTON_TAP; import static com.android.launcher3.taskbar.TaskbarManager.isPhoneButtonNavMode; import static com.android.launcher3.taskbar.TaskbarManager.isPhoneMode; import static com.android.launcher3.util.MultiPropertyFactory.MULTI_PROPERTY_VALUE; import static com.android.launcher3.util.MultiTranslateDelegate.INDEX_TASKBAR_ALIGNMENT_ANIM; import static com.android.launcher3.util.MultiTranslateDelegate.INDEX_TASKBAR_REVEAL_ANIM; import android.animation.Animator; import android.animation.AnimatorSet; import android.animation.ObjectAnimator; import android.animation.ValueAnimator; import android.annotation.NonNull; import android.graphics.Rect; import android.util.Log; import android.view.MotionEvent; import android.view.View; import android.view.animation.Interpolator; import androidx.annotation.Nullable; import androidx.core.graphics.ColorUtils; import androidx.core.view.OneShotPreDrawListener; import com.android.app.animation.Interpolators; import com.android.launcher3.DeviceProfile; import com.android.launcher3.LauncherAppState; import com.android.launcher3.R; import com.android.launcher3.Reorderable; import com.android.launcher3.Utilities; import com.android.launcher3.anim.AlphaUpdateListener; import com.android.launcher3.anim.AnimatedFloat; import com.android.launcher3.anim.AnimatorPlaybackController; import com.android.launcher3.anim.PendingAnimation; import com.android.launcher3.anim.RevealOutlineAnimation; import com.android.launcher3.anim.RoundedRectRevealOutlineProvider; import com.android.launcher3.config.FeatureFlags; import com.android.launcher3.icons.ThemedIconDrawable; import com.android.launcher3.model.data.ItemInfo; import com.android.launcher3.util.ItemInfoMatcher; import com.android.launcher3.util.LauncherBindableItemsContainer; import com.android.launcher3.util.MultiPropertyFactory; import com.android.launcher3.util.MultiTranslateDelegate; import com.android.launcher3.util.MultiValueAlpha; import java.io.PrintWriter; import java.util.function.Predicate; /** * Handles properties/data collection, then passes the results to TaskbarView to render. */ public class TaskbarViewController implements TaskbarControllers.LoggableTaskbarController { private static final String TAG = TaskbarViewController.class.getSimpleName(); private static final Runnable NO_OP = () -> { }; public static final int ALPHA_INDEX_HOME = 0; public static final int ALPHA_INDEX_KEYGUARD = 1; public static final int ALPHA_INDEX_STASH = 2; public static final int ALPHA_INDEX_RECENTS_DISABLED = 3; public static final int ALPHA_INDEX_NOTIFICATION_EXPANDED = 4; public static final int ALPHA_INDEX_ASSISTANT_INVOKED = 5; public static final int ALPHA_INDEX_SMALL_SCREEN = 6; private static final int NUM_ALPHA_CHANNELS = 7; private static final float TASKBAR_DARK_THEME_ICONS_BACKGROUND_LUMINANCE = 0.30f; private final TaskbarActivityContext mActivity; private final TaskbarView mTaskbarView; private final MultiValueAlpha mTaskbarIconAlpha; private final AnimatedFloat mTaskbarIconScaleForStash = new AnimatedFloat(this::updateScale); private final AnimatedFloat mTaskbarIconTranslationYForHome = new AnimatedFloat( this::updateTranslationY); private final AnimatedFloat mTaskbarIconTranslationYForStash = new AnimatedFloat( this::updateTranslationY); private AnimatedFloat mTaskbarNavButtonTranslationY; private AnimatedFloat mTaskbarNavButtonTranslationYForInAppDisplay; private float mTaskbarIconTranslationYForSwipe; private float mTaskbarIconTranslationYForSpringOnStash; private final int mTaskbarBottomMargin; private final int mStashedHandleHeight; private final int mLauncherThemedIconsBackgroundColor; private final int mTaskbarThemedIconsBackgroundColor; /** Progress from {@code 0} for Launcher's color to {@code 1} for Taskbar's color. */ private final AnimatedFloat mThemedIconsBackgroundProgress = new AnimatedFloat( this::updateIconsBackground); private final TaskbarModelCallbacks mModelCallbacks; // Initialized in init. private TaskbarControllers mControllers; // Animation to align icons with Launcher, created lazily. This allows the controller to be // active only during the animation and does not need to worry about layout changes. private AnimatorPlaybackController mIconAlignControllerLazy = null; private Runnable mOnControllerPreCreateCallback = NO_OP; // Stored here as signals to determine if the mIconAlignController needs to be recreated. private boolean mIsHotseatIconOnTopWhenAligned; private boolean mIsStashed; private final DeviceProfile.OnDeviceProfileChangeListener mDeviceProfileChangeListener = dp -> commitRunningAppsToUI(); private final boolean mIsRtl; public TaskbarViewController(TaskbarActivityContext activity, TaskbarView taskbarView) { mActivity = activity; mTaskbarView = taskbarView; mTaskbarIconAlpha = new MultiValueAlpha(mTaskbarView, NUM_ALPHA_CHANNELS); mTaskbarIconAlpha.setUpdateVisibility(true); mModelCallbacks = TaskbarModelCallbacksFactory.newInstance(mActivity) .create(mActivity, mTaskbarView); mTaskbarBottomMargin = activity.getDeviceProfile().taskbarBottomMargin; mStashedHandleHeight = activity.getResources() .getDimensionPixelSize(R.dimen.taskbar_stashed_handle_height); mLauncherThemedIconsBackgroundColor = ThemedIconDrawable.getColors(mActivity)[0]; if (!Utilities.isDarkTheme(mActivity)) { mTaskbarThemedIconsBackgroundColor = mLauncherThemedIconsBackgroundColor; } else { // Increase luminance for dark themed icons given they are on a dark Taskbar background. float[] colorHSL = new float[3]; ColorUtils.colorToHSL(mLauncherThemedIconsBackgroundColor, colorHSL); colorHSL[2] = TASKBAR_DARK_THEME_ICONS_BACKGROUND_LUMINANCE; mTaskbarThemedIconsBackgroundColor = ColorUtils.HSLToColor(colorHSL); } mIsRtl = Utilities.isRtl(mTaskbarView.getResources()); } public void init(TaskbarControllers controllers) { mControllers = controllers; mTaskbarView.init(new TaskbarViewCallbacks()); mTaskbarView.getLayoutParams().height = isPhoneMode(mActivity.getDeviceProfile()) ? mActivity.getResources().getDimensionPixelSize(R.dimen.taskbar_size) : mActivity.getDeviceProfile().taskbarHeight; mTaskbarIconScaleForStash.updateValue(1f); mModelCallbacks.init(controllers); if (mActivity.isUserSetupComplete()) { // Only load the callbacks if user setup is completed LauncherAppState.getInstance(mActivity).getModel().addCallbacksAndLoad(mModelCallbacks); } mTaskbarNavButtonTranslationY = controllers.navbarButtonsViewController.getTaskbarNavButtonTranslationY(); mTaskbarNavButtonTranslationYForInAppDisplay = controllers.navbarButtonsViewController .getTaskbarNavButtonTranslationYForInAppDisplay(); mActivity.addOnDeviceProfileChangeListener(mDeviceProfileChangeListener); if (TaskbarManager.FLAG_HIDE_NAVBAR_WINDOW) { // This gets modified in NavbarButtonsViewController, but the initial value it reads // may be incorrect since it's state gets destroyed on taskbar recreate, so reset here mTaskbarIconAlpha.get(ALPHA_INDEX_SMALL_SCREEN) .animateToValue(isPhoneButtonNavMode(mActivity) ? 0 : 1).start(); } } /** * Announcement for Accessibility when Taskbar stashes/unstashes. */ public void announceForAccessibility() { mTaskbarView.announceAccessibilityChanges(); } public void onDestroy() { LauncherAppState.getInstance(mActivity).getModel().removeCallbacks(mModelCallbacks); mActivity.removeOnDeviceProfileChangeListener(mDeviceProfileChangeListener); mModelCallbacks.unregisterListeners(); } public boolean areIconsVisible() { return mTaskbarView.areIconsVisible(); } public MultiPropertyFactory getTaskbarIconAlpha() { return mTaskbarIconAlpha; } /** * Should be called when the recents button is disabled, so we can hide Taskbar icons as well. */ public void setRecentsButtonDisabled(boolean isDisabled) { // TODO: check TaskbarStashController#supportsStashing(), to stash instead of setting alpha. mTaskbarIconAlpha.get(ALPHA_INDEX_RECENTS_DISABLED).setValue(isDisabled ? 0 : 1); } /** * Sets OnClickListener and OnLongClickListener for the given view. */ public void setClickAndLongClickListenersForIcon(View icon) { mTaskbarView.setClickAndLongClickListenersForIcon(icon); } /** * Adds one time pre draw listener to the Taskbar view, it is called before * drawing a frame and invoked only once * @param listener callback that will be invoked before drawing the next frame */ public void addOneTimePreDrawListener(@NonNull Runnable listener) { OneShotPreDrawListener.add(mTaskbarView, listener); } public Rect getIconLayoutBounds() { return mTaskbarView.getIconLayoutBounds(); } public int getIconLayoutWidth() { return mTaskbarView.getIconLayoutWidth(); } public View[] getIconViews() { return mTaskbarView.getIconViews(); } @Nullable public View getAllAppsButtonView() { return mTaskbarView.getAllAppsButtonView(); } public AnimatedFloat getTaskbarIconScaleForStash() { return mTaskbarIconScaleForStash; } public AnimatedFloat getTaskbarIconTranslationYForStash() { return mTaskbarIconTranslationYForStash; } /** * Applies scale properties for the entire TaskbarView (rather than individual icons). */ private void updateScale() { float scale = mTaskbarIconScaleForStash.value; mTaskbarView.setScaleX(scale); mTaskbarView.setScaleY(scale); } /** * Sets the translation of the TaskbarView during the swipe up gesture. */ public void setTranslationYForSwipe(float transY) { mTaskbarIconTranslationYForSwipe = transY; updateTranslationY(); } /** * Sets the translation of the TaskbarView during the spring on stash animation. */ public void setTranslationYForStash(float transY) { mTaskbarIconTranslationYForSpringOnStash = transY; updateTranslationY(); } private void updateTranslationY() { mTaskbarView.setTranslationY(mTaskbarIconTranslationYForHome.value + mTaskbarIconTranslationYForStash.value + mTaskbarIconTranslationYForSwipe + mTaskbarIconTranslationYForSpringOnStash); } /** * Updates the Taskbar's themed icons background according to the progress between in-app/home. */ protected void updateIconsBackground() { mTaskbarView.setThemedIconsBackgroundColor( ColorUtils.blendARGB( mLauncherThemedIconsBackgroundColor, mTaskbarThemedIconsBackgroundColor, mThemedIconsBackgroundProgress.value )); } private ValueAnimator createRevealAnimForView(View view, boolean isStashed, float newWidth, boolean isQsb, boolean dispatchOnAnimationStart) { Rect viewBounds = new Rect(0, 0, view.getWidth(), view.getHeight()); int centerY = viewBounds.centerY(); int halfHandleHeight = mStashedHandleHeight / 2; final int top = centerY - halfHandleHeight; final int bottom = centerY + halfHandleHeight; final int left; final int right; // QSB will crop from the 'start' whereas all other icons will crop from the center. if (isQsb) { if (mIsRtl) { right = viewBounds.right; left = (int) (right - newWidth); } else { left = viewBounds.left; right = (int) (left + newWidth); } } else { int widthDelta = (int) ((viewBounds.width() - newWidth) / 2); left = viewBounds.left + widthDelta; right = viewBounds.right - widthDelta; } Rect stashedRect = new Rect(left, top, right, bottom); // QSB radius can be > 0 since it does not have any UI elements outside of it bounds. float radius = isQsb ? viewBounds.height() / 2f : 0f; float stashedRadius = stashedRect.height() / 2f; ValueAnimator reveal = new RoundedRectRevealOutlineProvider(radius, stashedRadius, viewBounds, stashedRect) .createRevealAnimator(view, !isStashed, 0); // SUW animation does not dispatch animation start until *after* the animation is complete. // In order to work properly, the reveal animation start needs to be called immediately. if (dispatchOnAnimationStart) { for (Animator.AnimatorListener listener : reveal.getListeners()) { listener.onAnimationStart(reveal); } } return reveal; } /** * Defers any updates to the UI for the setup wizard animation. */ public void setDeferUpdatesForSUW(boolean defer) { mModelCallbacks.setDeferUpdatesForSUW(defer); } /** * Creates and returns a {@link RevealOutlineAnimation} Animator that updates the icon shape * and size. * @param as The AnimatorSet to add all animations to. * @param isStashed When true, the icon crops vertically to the size of the stashed handle. * When false, the reverse happens. * @param duration The duration of the animation. * @param interpolator The interpolator to use for all animations. */ public void addRevealAnimToIsStashed(AnimatorSet as, boolean isStashed, long duration, Interpolator interpolator, boolean dispatchOnAnimationStart) { AnimatorSet reveal = new AnimatorSet(); Rect stashedBounds = new Rect(); mControllers.stashedHandleViewController.getStashedHandleBounds(stashedBounds); int numIcons = mTaskbarView.getChildCount(); float newChildWidth = stashedBounds.width() / (float) numIcons; // All children move the same y-amount since they will be cropped to the same centerY. float croppedTransY = mTaskbarView.getIconTouchSize() - stashedBounds.height(); for (int i = mTaskbarView.getChildCount() - 1; i >= 0; i--) { View child = mTaskbarView.getChildAt(i); boolean isQsb = child == mTaskbarView.getQsb(); // Crop the icons to/from the nav handle shape. reveal.play(createRevealAnimForView(child, isStashed, newChildWidth, isQsb, dispatchOnAnimationStart).setDuration(duration)); // Translate the icons to/from their locations as the "nav handle." // All of the Taskbar icons will overlap the entirety of the stashed handle // And the QSB, if inline, will overlap part of stashed handle as well. float currentPosition = isQsb ? child.getX() : child.getLeft(); float newPosition = stashedBounds.left + (newChildWidth * i); final float croppedTransX; // We look at 'left' and 'right' values to ensure that the children stay within the // bounds of the stashed handle since the new width only occurs at the end of the anim. if (currentPosition > newPosition) { float newRight = stashedBounds.right - (newChildWidth * (numIcons - 1 - i)); croppedTransX = -(currentPosition + child.getWidth() - newRight); } else { croppedTransX = newPosition - currentPosition; } float[] transX = isStashed ? new float[] {croppedTransX} : new float[] {croppedTransX, 0}; float[] transY = isStashed ? new float[] {croppedTransY} : new float[] {croppedTransY, 0}; if (child instanceof Reorderable) { MultiTranslateDelegate mtd = ((Reorderable) child).getTranslateDelegate(); reveal.play(ObjectAnimator.ofFloat(mtd.getTranslationX(INDEX_TASKBAR_REVEAL_ANIM), MULTI_PROPERTY_VALUE, transX) .setDuration(duration)); reveal.play(ObjectAnimator.ofFloat(mtd.getTranslationY(INDEX_TASKBAR_REVEAL_ANIM), MULTI_PROPERTY_VALUE, transY)); as.addListener(forEndCallback(() -> mtd.setTranslation(INDEX_TASKBAR_REVEAL_ANIM, 0, 0))); } else { reveal.play(ObjectAnimator.ofFloat(child, VIEW_TRANSLATE_X, transX) .setDuration(duration)); reveal.play(ObjectAnimator.ofFloat(child, VIEW_TRANSLATE_Y, transY)); as.addListener(forEndCallback(() -> { child.setTranslationX(0); child.setTranslationY(0); })); } } reveal.setInterpolator(interpolator); as.play(reveal); } /** * Sets the Taskbar icon alignment relative to Launcher hotseat icons * @param alignmentRatio [0, 1] * 0 => not aligned * 1 => fully aligned */ public void setLauncherIconAlignment(float alignmentRatio, DeviceProfile launcherDp) { boolean isHotseatIconOnTopWhenAligned = mControllers.uiController.isHotseatIconOnTopWhenAligned(); boolean isStashed = mControllers.taskbarStashController.isStashed(); // Re-create animation when mIsHotseatIconOnTopWhenAligned or mIsStashed changes. if (mIconAlignControllerLazy == null || mIsHotseatIconOnTopWhenAligned != isHotseatIconOnTopWhenAligned || mIsStashed != isStashed) { mIsHotseatIconOnTopWhenAligned = isHotseatIconOnTopWhenAligned; mIsStashed = isStashed; mIconAlignControllerLazy = createIconAlignmentController(launcherDp); } mIconAlignControllerLazy.setPlayFraction(alignmentRatio); if (alignmentRatio <= 0 || alignmentRatio >= 1) { // Cleanup lazy controller so that it is created again in next animation mIconAlignControllerLazy = null; } } /** * Creates an animation for aligning the Taskbar icons with the provided Launcher device profile */ private AnimatorPlaybackController createIconAlignmentController(DeviceProfile launcherDp) { PendingAnimation setter = new PendingAnimation(100); if (TaskbarManager.isPhoneButtonNavMode(mActivity)) { // No animation for icons in small-screen return setter.createPlaybackController(); } mOnControllerPreCreateCallback.run(); DeviceProfile taskbarDp = mActivity.getDeviceProfile(); Rect hotseatPadding = launcherDp.getHotseatLayoutPadding(mActivity); float scaleUp = ((float) launcherDp.iconSizePx) / taskbarDp.taskbarIconSize; int borderSpacing = launcherDp.hotseatBorderSpace; int hotseatCellSize = DeviceProfile.calculateCellWidth( launcherDp.availableWidthPx - hotseatPadding.left - hotseatPadding.right, borderSpacing, launcherDp.numShownHotseatIcons); boolean isToHome = mControllers.uiController.isIconAlignedWithHotseat(); // If Hotseat is not the top element, Taskbar should maintain in-app state as it fades out, // or fade in while already in in-app state. Interpolator interpolator = mIsHotseatIconOnTopWhenAligned ? LINEAR : FINAL_FRAME; int offsetY = launcherDp.getTaskbarOffsetY(); setter.setFloat(mTaskbarIconTranslationYForHome, VALUE, -offsetY, interpolator); setter.setFloat(mTaskbarNavButtonTranslationY, VALUE, -offsetY, interpolator); setter.setFloat(mTaskbarNavButtonTranslationYForInAppDisplay, VALUE, offsetY, interpolator); if (Utilities.isDarkTheme(mTaskbarView.getContext())) { setter.addFloat(mThemedIconsBackgroundProgress, VALUE, 1f, 0f, LINEAR); } int collapsedHeight = mActivity.getDefaultTaskbarWindowHeight(); int expandedHeight = Math.max(collapsedHeight, taskbarDp.taskbarHeight + offsetY); setter.addOnFrameListener(anim -> mActivity.setTaskbarWindowHeight( anim.getAnimatedFraction() > 0 ? expandedHeight : collapsedHeight)); for (int i = 0; i < mTaskbarView.getChildCount(); i++) { View child = mTaskbarView.getChildAt(i); boolean isAllAppsButton = child == mTaskbarView.getAllAppsButtonView(); boolean isTaskbarDividerView = child == mTaskbarView.getTaskbarDividerView(); if (!mIsHotseatIconOnTopWhenAligned) { // When going to home, the EMPHASIZED interpolator in TaskbarLauncherStateController // plays iconAlignment to 1 really fast, therefore moving the fading towards the end // to avoid icons disappearing rather than fading out visually. setter.setViewAlpha(child, 0, Interpolators.clampToProgress(LINEAR, 0.8f, 1f)); } else if ((isAllAppsButton && !FeatureFlags.ENABLE_ALL_APPS_BUTTON_IN_HOTSEAT.get()) || (isTaskbarDividerView && FeatureFlags.ENABLE_TASKBAR_PINNING.get())) { if (!isToHome && mIsHotseatIconOnTopWhenAligned && mIsStashed) { // Prevent All Apps icon from appearing when going from hotseat to nav handle. setter.setViewAlpha(child, 0, Interpolators.clampToProgress(LINEAR, 0f, 0f)); } else { setter.setViewAlpha(child, 0, isToHome ? Interpolators.clampToProgress(LINEAR, 0f, 0.17f) : Interpolators.clampToProgress(LINEAR, 0.72f, 0.84f)); } } if (child == mTaskbarView.getQsb()) { boolean isRtl = Utilities.isRtl(child.getResources()); float hotseatIconCenter = isRtl ? launcherDp.widthPx - hotseatPadding.right + borderSpacing + launcherDp.hotseatQsbWidth / 2f : hotseatPadding.left - borderSpacing - launcherDp.hotseatQsbWidth / 2f; float childCenter = (child.getLeft() + child.getRight()) / 2f; float halfQsbIconWidthDiff = (launcherDp.hotseatQsbWidth - taskbarDp.taskbarIconSize) / 2f; float scale = ((float) taskbarDp.taskbarIconSize) / launcherDp.hotseatQsbVisualHeight; setter.addFloat(child, SCALE_PROPERTY, scale, 1f, interpolator); float fromX = isRtl ? -halfQsbIconWidthDiff : halfQsbIconWidthDiff; float toX = hotseatIconCenter - childCenter; if (child instanceof Reorderable) { MultiTranslateDelegate mtd = ((Reorderable) child).getTranslateDelegate(); setter.addFloat(mtd.getTranslationX(INDEX_TASKBAR_ALIGNMENT_ANIM), MULTI_PROPERTY_VALUE, fromX, toX, interpolator); setter.setFloat(mtd.getTranslationY(INDEX_TASKBAR_ALIGNMENT_ANIM), MULTI_PROPERTY_VALUE, mTaskbarBottomMargin, interpolator); } else { setter.addFloat(child, VIEW_TRANSLATE_X, fromX, toX, interpolator); setter.setFloat(child, VIEW_TRANSLATE_Y, mTaskbarBottomMargin, interpolator); } if (mIsHotseatIconOnTopWhenAligned) { setter.addFloat(child, VIEW_ALPHA, 0f, 1f, isToHome ? Interpolators.clampToProgress(LINEAR, 0f, 0.35f) : mActivity.getDeviceProfile().isQsbInline ? Interpolators.clampToProgress(LINEAR, 0f, 1f) : Interpolators.clampToProgress(LINEAR, 0.84f, 1f)); } setter.addOnFrameListener(animator -> AlphaUpdateListener.updateVisibility(child)); continue; } int positionInHotseat; if (isAllAppsButton) { // Note that there is no All Apps button in the hotseat, this position is only used // as its convenient for animation purposes. positionInHotseat = Utilities.isRtl(child.getResources()) ? taskbarDp.numShownHotseatIcons : -1; } else if (child.getTag() instanceof ItemInfo) { positionInHotseat = ((ItemInfo) child.getTag()).screenId; } else { Log.w(TAG, "Unsupported view found in createIconAlignmentController, v=" + child); continue; } float hotseatIconCenter = hotseatPadding.left + (hotseatCellSize + borderSpacing) * positionInHotseat + hotseatCellSize / 2f; float childCenter = (child.getLeft() + child.getRight()) / 2f; float toX = hotseatIconCenter - childCenter; if (child instanceof Reorderable) { MultiTranslateDelegate mtd = ((Reorderable) child).getTranslateDelegate(); setter.setFloat(mtd.getTranslationX(INDEX_TASKBAR_ALIGNMENT_ANIM), MULTI_PROPERTY_VALUE, toX, interpolator); setter.setFloat(mtd.getTranslationY(INDEX_TASKBAR_ALIGNMENT_ANIM), MULTI_PROPERTY_VALUE, mTaskbarBottomMargin, interpolator); } else { setter.setFloat(child, VIEW_TRANSLATE_X, toX, interpolator); setter.setFloat(child, VIEW_TRANSLATE_Y, mTaskbarBottomMargin, interpolator); } setter.setFloat(child, SCALE_PROPERTY, scaleUp, interpolator); } AnimatorPlaybackController controller = setter.createPlaybackController(); mOnControllerPreCreateCallback = () -> controller.setPlayFraction(0); return controller; } public void onRotationChanged(DeviceProfile deviceProfile) { if (!mControllers.uiController.isIconAlignedWithHotseat()) { // We only translate on rotation when icon is aligned with hotseat return; } mActivity.setTaskbarWindowHeight( deviceProfile.taskbarHeight + deviceProfile.getTaskbarOffsetY()); mTaskbarNavButtonTranslationY.updateValue(-deviceProfile.getTaskbarOffsetY()); } /** * Maps the given operator to all the top-level children of TaskbarView. */ public void mapOverItems(LauncherBindableItemsContainer.ItemOperator op) { mTaskbarView.mapOverItems(op); } /** * Returns the first icon to match the given parameter, in priority from: * 1) Icons directly on Taskbar * 2) FolderIcon of the Folder containing the given icon * 3) All Apps button */ public View getFirstIconMatch(Predicate matcher) { Predicate folderMatcher = ItemInfoMatcher.forFolderMatch(matcher); return mTaskbarView.getFirstMatch(matcher, folderMatcher); } /** * Returns whether the given MotionEvent, *in screen coorindates*, is within any Taskbar item's * touch bounds. */ public boolean isEventOverAnyItem(MotionEvent ev) { return mTaskbarView.isEventOverAnyItem(ev); } @Override public void dumpLogs(String prefix, PrintWriter pw) { pw.println(prefix + "TaskbarViewController:"); mTaskbarIconAlpha.dump( prefix + "\t", pw, "mTaskbarIconAlpha", "ALPHA_INDEX_HOME", "ALPHA_INDEX_KEYGUARD", "ALPHA_INDEX_STASH", "ALPHA_INDEX_RECENTS_DISABLED", "ALPHA_INDEX_NOTIFICATION_EXPANDED", "ALPHA_INDEX_ASSISTANT_INVOKED", "ALPHA_INDEX_IME_BUTTON_NAV", "ALPHA_INDEX_SMALL_SCREEN"); mModelCallbacks.dumpLogs(prefix + "\t", pw); } /** Called when there's a change in running apps to update the UI. */ public void commitRunningAppsToUI() { mModelCallbacks.commitRunningAppsToUI(); } /** Call TaskbarModelCallbacks to update running apps. */ public void updateRunningApps() { mModelCallbacks.updateRunningApps(); } /** * Callbacks for {@link TaskbarView} to interact with its controller. */ public class TaskbarViewCallbacks { private final float mSquaredTouchSlop = Utilities.squaredTouchSlop(mActivity); private float mDownX, mDownY; private boolean mCanceledStashHint; public View.OnClickListener getIconOnClickListener() { return mActivity.getItemOnClickListener(); } public View.OnClickListener getAllAppsButtonClickListener() { return v -> { mActivity.getStatsLogManager().logger().log(LAUNCHER_TASKBAR_ALLAPPS_BUTTON_TAP); mControllers.taskbarAllAppsController.toggle(); }; } public View.OnLongClickListener getTaskbarDividerLongClickListener() { return v -> { mControllers.taskbarPinningController.showPinningView(v); return true; }; } public View.OnLongClickListener getIconOnLongClickListener() { return mControllers.taskbarDragController::startDragOnLongClick; } public View.OnLongClickListener getBackgroundOnLongClickListener() { return view -> mControllers.taskbarStashController .updateAndAnimateIsManuallyStashedInApp(true); } /** Gets the hover listener for the provided icon view. */ public View.OnHoverListener getIconOnHoverListener(View icon) { return new TaskbarHoverToolTipController(mActivity, mTaskbarView, icon); } /** * Get the first chance to handle TaskbarView#onTouchEvent, and return whether we want to * consume the touch so TaskbarView treats it as an ACTION_CANCEL. * TODO(b/270395798): We can remove this entirely once we remove the Transient Taskbar flag. */ public boolean onTouchEvent(MotionEvent motionEvent) { final float x = motionEvent.getRawX(); final float y = motionEvent.getRawY(); switch (motionEvent.getAction()) { case MotionEvent.ACTION_DOWN: mDownX = x; mDownY = y; mControllers.taskbarStashController.startStashHint(/* animateForward = */ true); mCanceledStashHint = false; break; case MotionEvent.ACTION_MOVE: if (!mCanceledStashHint && squaredHypot(mDownX - x, mDownY - y) > mSquaredTouchSlop) { mControllers.taskbarStashController.startStashHint( /* animateForward= */ false); mCanceledStashHint = true; return true; } break; case MotionEvent.ACTION_UP: case MotionEvent.ACTION_CANCEL: if (!mCanceledStashHint) { mControllers.taskbarStashController.startStashHint( /* animateForward= */ false); } break; } return false; } /** * Notifies launcher to update icon alignment. */ public void notifyIconLayoutBoundsChanged() { mControllers.uiController.onIconLayoutBoundsChanged(); } } }