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/*
* Copyright (C) 2023 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 android.view.MotionEvent.ACTION_HOVER_ENTER;
import static android.view.MotionEvent.ACTION_HOVER_EXIT;
import static android.view.View.ALPHA;
import static android.view.View.SCALE_Y;
import static android.view.accessibility.AccessibilityManager.FLAG_CONTENT_TEXT;
import static com.android.app.animation.Interpolators.LINEAR;
import static com.android.launcher3.AbstractFloatingView.TYPE_ALL_EXCEPT_ON_BOARD_POPUP;
import static com.android.launcher3.taskbar.TaskbarAutohideSuspendController.FLAG_AUTOHIDE_SUSPEND_HOVERING_ICONS;
import static com.android.launcher3.views.ArrowTipView.TEXT_ALPHA;
import android.animation.AnimatorSet;
import android.animation.ObjectAnimator;
import android.graphics.Rect;
import android.os.Handler;
import android.os.Looper;
import android.view.ContextThemeWrapper;
import android.view.MotionEvent;
import android.view.View;
import com.android.app.animation.Interpolators;
import com.android.launcher3.AbstractFloatingView;
import com.android.launcher3.BubbleTextView;
import com.android.launcher3.R;
import com.android.launcher3.Utilities;
import com.android.launcher3.compat.AccessibilityManagerCompat;
import com.android.launcher3.folder.FolderIcon;
import com.android.launcher3.views.ArrowTipView;
/**
* Controls showing a tooltip in the taskbar above each icon when it is hovered.
*/
public class TaskbarHoverToolTipController implements View.OnHoverListener {
private static final int HOVER_TOOL_TIP_REVEAL_DURATION = 250;
private static final int HOVER_TOOL_TIP_EXIT_DURATION = 150;
private final Handler mHoverToolTipHandler = new Handler(Looper.getMainLooper());
private final Runnable mRevealHoverToolTipRunnable = this::revealHoverToolTip;
private final Runnable mHideHoverToolTipRunnable = this::hideHoverToolTip;
private final TaskbarActivityContext mActivity;
private final TaskbarView mTaskbarView;
private final View mHoverView;
private final ArrowTipView mHoverToolTipView;
private final String mToolTipText;
public TaskbarHoverToolTipController(TaskbarActivityContext activity, TaskbarView taskbarView,
View hoverView) {
mActivity = activity;
mTaskbarView = taskbarView;
mHoverView = hoverView;
if (mHoverView instanceof BubbleTextView) {
mToolTipText = ((BubbleTextView) mHoverView).getText().toString();
} else if (mHoverView instanceof FolderIcon
&& ((FolderIcon) mHoverView).mInfo.title != null) {
mToolTipText = ((FolderIcon) mHoverView).mInfo.title.toString();
} else {
mToolTipText = null;
}
ContextThemeWrapper arrowContextWrapper = new ContextThemeWrapper(mActivity,
R.style.ArrowTipTaskbarStyle);
mHoverToolTipView = new ArrowTipView(arrowContextWrapper, /* isPointingUp = */ false,
R.layout.arrow_toast);
int verticalPadding = arrowContextWrapper.getResources().getDimensionPixelSize(
R.dimen.taskbar_tooltip_vertical_padding);
int horizontalPadding = arrowContextWrapper.getResources().getDimensionPixelSize(
R.dimen.taskbar_tooltip_horizontal_padding);
mHoverToolTipView.findViewById(R.id.text).setPadding(horizontalPadding, verticalPadding,
horizontalPadding, verticalPadding);
AnimatorSet hoverCloseAnimator = new AnimatorSet();
ObjectAnimator textCloseAnimator = ObjectAnimator.ofInt(mHoverToolTipView, TEXT_ALPHA, 0);
textCloseAnimator.setInterpolator(Interpolators.clampToProgress(LINEAR, 0, 0.33f));
ObjectAnimator alphaCloseAnimator = ObjectAnimator.ofFloat(mHoverToolTipView, ALPHA, 0);
alphaCloseAnimator.setInterpolator(Interpolators.clampToProgress(LINEAR, 0.33f, 0.66f));
ObjectAnimator scaleCloseAnimator = ObjectAnimator.ofFloat(mHoverToolTipView, SCALE_Y, 0);
scaleCloseAnimator.setInterpolator(Interpolators.STANDARD);
hoverCloseAnimator.playTogether(
textCloseAnimator,
alphaCloseAnimator,
scaleCloseAnimator);
hoverCloseAnimator.setStartDelay(0);
hoverCloseAnimator.setDuration(HOVER_TOOL_TIP_EXIT_DURATION);
mHoverToolTipView.setCustomCloseAnimation(hoverCloseAnimator);
AnimatorSet hoverOpenAnimator = new AnimatorSet();
ObjectAnimator textOpenAnimator =
ObjectAnimator.ofInt(mHoverToolTipView, TEXT_ALPHA, 0, 255);
textOpenAnimator.setInterpolator(Interpolators.clampToProgress(LINEAR, 0.15f, 0.75f));
ObjectAnimator scaleOpenAnimator =
ObjectAnimator.ofFloat(mHoverToolTipView, SCALE_Y, 0f, 1f);
scaleOpenAnimator.setInterpolator(Interpolators.EMPHASIZED);
ObjectAnimator alphaOpenAnimator = ObjectAnimator.ofFloat(mHoverToolTipView, ALPHA, 0f, 1f);
alphaOpenAnimator.setInterpolator(Interpolators.clampToProgress(LINEAR, 0f, 0.33f));
hoverOpenAnimator.playTogether(
scaleOpenAnimator,
textOpenAnimator,
alphaOpenAnimator);
hoverOpenAnimator.setDuration(HOVER_TOOL_TIP_REVEAL_DURATION);
mHoverToolTipView.setCustomOpenAnimation(hoverOpenAnimator);
mHoverToolTipView.addOnLayoutChangeListener(
(v, left, top, right, bottom, oldLeft, oldTop, oldRight, oldBottom) -> {
mHoverToolTipView.setPivotY(bottom);
mHoverToolTipView.setY(mTaskbarView.getTop() - (bottom - top));
});
}
@Override
public boolean onHover(View v, MotionEvent event) {
boolean isAnyOtherFloatingViewOpen =
AbstractFloatingView.hasOpenView(mActivity, TYPE_ALL_EXCEPT_ON_BOARD_POPUP);
if (isAnyOtherFloatingViewOpen) {
mHoverToolTipHandler.removeCallbacksAndMessages(null);
}
// If hover leaves a taskbar icon animate the tooltip closed.
if (event.getAction() == ACTION_HOVER_EXIT) {
startHideHoverToolTip();
mActivity.setAutohideSuspendFlag(FLAG_AUTOHIDE_SUSPEND_HOVERING_ICONS, false);
return true;
} else if (!isAnyOtherFloatingViewOpen && event.getAction() == ACTION_HOVER_ENTER) {
// If hovering above a taskbar icon starts, animate the tooltip open. Do not
// reveal if any floating views such as folders or edu pop-ups are open.
startRevealHoverToolTip();
mActivity.setAutohideSuspendFlag(FLAG_AUTOHIDE_SUSPEND_HOVERING_ICONS, true);
return true;
}
return false;
}
private void startRevealHoverToolTip() {
mHoverToolTipHandler.post(mRevealHoverToolTipRunnable);
}
private void revealHoverToolTip() {
if (mHoverView == null || mToolTipText == null) {
return;
}
if (mHoverView instanceof FolderIcon && !((FolderIcon) mHoverView).getIconVisible()) {
return;
}
Rect iconViewBounds = Utilities.getViewBounds(mHoverView);
mHoverToolTipView.showAtLocation(mToolTipText, iconViewBounds.centerX(),
mTaskbarView.getTop(), /* shouldAutoClose= */ false);
}
private void startHideHoverToolTip() {
int accessibilityHideTimeout = AccessibilityManagerCompat.getRecommendedTimeoutMillis(
mActivity, /* originalTimeout= */ 0, FLAG_CONTENT_TEXT);
mHoverToolTipHandler.postDelayed(mHideHoverToolTipRunnable, accessibilityHideTimeout);
}
private void hideHoverToolTip() {
mHoverToolTipView.close(/* animate = */ true);
}
}
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