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/*
* Copyright (C) 2016 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.systemui.statusbar;
import static com.android.systemui.Interpolators.FAST_OUT_SLOW_IN_REVERSE;
import static com.android.systemui.statusbar.phone.NotificationIconContainer.IconState.NO_VALUE;
import android.content.Context;
import android.content.res.Configuration;
import android.content.res.Resources;
import android.graphics.Rect;
import android.os.SystemProperties;
import android.util.AttributeSet;
import android.util.Log;
import android.view.DisplayCutout;
import android.view.View;
import android.view.ViewGroup;
import android.view.ViewTreeObserver;
import android.view.WindowInsets;
import android.view.accessibility.AccessibilityNodeInfo;
import com.android.internal.annotations.VisibleForTesting;
import com.android.systemui.Dependency;
import com.android.systemui.Interpolators;
import com.android.systemui.R;
import com.android.systemui.plugins.statusbar.StatusBarStateController;
import com.android.systemui.plugins.statusbar.StatusBarStateController.StateListener;
import com.android.systemui.statusbar.notification.NotificationUtils;
import com.android.systemui.statusbar.notification.row.ActivatableNotificationView;
import com.android.systemui.statusbar.notification.row.ExpandableNotificationRow;
import com.android.systemui.statusbar.notification.row.ExpandableView;
import com.android.systemui.statusbar.notification.stack.AmbientState;
import com.android.systemui.statusbar.notification.stack.AnimationProperties;
import com.android.systemui.statusbar.notification.stack.ExpandableViewState;
import com.android.systemui.statusbar.notification.stack.NotificationStackScrollLayout;
import com.android.systemui.statusbar.notification.stack.ViewState;
import com.android.systemui.statusbar.phone.NotificationIconContainer;
/**
* A notification shelf view that is placed inside the notification scroller. It manages the
* overflow icons that don't fit into the regular list anymore.
*/
public class NotificationShelf extends ActivatableNotificationView implements
View.OnLayoutChangeListener, StateListener {
private static final boolean USE_ANIMATIONS_WHEN_OPENING =
SystemProperties.getBoolean("debug.icon_opening_animations", true);
private static final boolean ICON_ANMATIONS_WHILE_SCROLLING
= SystemProperties.getBoolean("debug.icon_scroll_animations", true);
private static final int TAG_CONTINUOUS_CLIPPING = R.id.continuous_clipping_tag;
private static final String TAG = "NotificationShelf";
private static final long SHELF_IN_TRANSLATION_DURATION = 200;
private NotificationIconContainer mShelfIcons;
private int[] mTmp = new int[2];
private boolean mHideBackground;
private int mIconAppearTopPadding;
private int mShelfAppearTranslation;
private float mDarkShelfPadding;
private float mDarkShelfIconSize;
private int mStatusBarHeight;
private int mStatusBarPaddingStart;
private AmbientState mAmbientState;
private NotificationStackScrollLayout mHostLayout;
private int mMaxLayoutHeight;
private int mPaddingBetweenElements;
private int mNotGoneIndex;
private boolean mHasItemsInStableShelf;
private NotificationIconContainer mCollapsedIcons;
private int mScrollFastThreshold;
private int mIconSize;
private int mStatusBarState;
private float mMaxShelfEnd;
private int mRelativeOffset;
private boolean mInteractive;
private float mOpenedAmount;
private boolean mNoAnimationsInThisFrame;
private boolean mAnimationsEnabled = true;
private boolean mShowNotificationShelf;
private float mFirstElementRoundness;
private Rect mClipRect = new Rect();
private int mCutoutHeight;
private int mGapHeight;
public NotificationShelf(Context context, AttributeSet attrs) {
super(context, attrs);
}
@Override
@VisibleForTesting
public void onFinishInflate() {
super.onFinishInflate();
mShelfIcons = findViewById(R.id.content);
mShelfIcons.setClipChildren(false);
mShelfIcons.setClipToPadding(false);
setClipToActualHeight(false);
setClipChildren(false);
setClipToPadding(false);
mShelfIcons.setIsStaticLayout(false);
setBottomRoundness(1.0f, false /* animate */);
initDimens();
}
@Override
protected void onAttachedToWindow() {
super.onAttachedToWindow();
((SysuiStatusBarStateController) Dependency.get(StatusBarStateController.class))
.addCallback(this, SysuiStatusBarStateController.RANK_SHELF);
}
@Override
protected void onDetachedFromWindow() {
super.onDetachedFromWindow();
Dependency.get(StatusBarStateController.class).removeCallback(this);
}
public void bind(AmbientState ambientState, NotificationStackScrollLayout hostLayout) {
mAmbientState = ambientState;
mHostLayout = hostLayout;
}
private void initDimens() {
Resources res = getResources();
mIconAppearTopPadding = res.getDimensionPixelSize(R.dimen.notification_icon_appear_padding);
mStatusBarHeight = res.getDimensionPixelOffset(R.dimen.status_bar_height);
mStatusBarPaddingStart = res.getDimensionPixelOffset(R.dimen.status_bar_padding_start);
mPaddingBetweenElements = res.getDimensionPixelSize(R.dimen.notification_divider_height);
mShelfAppearTranslation = res.getDimensionPixelSize(R.dimen.shelf_appear_translation);
mDarkShelfPadding = res.getDimensionPixelSize(R.dimen.widget_bottom_separator_padding);
ViewGroup.LayoutParams layoutParams = getLayoutParams();
layoutParams.height = res.getDimensionPixelOffset(R.dimen.notification_shelf_height);
setLayoutParams(layoutParams);
int padding = res.getDimensionPixelOffset(R.dimen.shelf_icon_container_padding);
mShelfIcons.setPadding(padding, 0, padding, 0);
mScrollFastThreshold = res.getDimensionPixelOffset(R.dimen.scroll_fast_threshold);
mShowNotificationShelf = res.getBoolean(R.bool.config_showNotificationShelf);
mIconSize = res.getDimensionPixelSize(com.android.internal.R.dimen.status_bar_icon_size);
mDarkShelfIconSize = res.getDimensionPixelOffset(R.dimen.dark_shelf_icon_size);
mGapHeight = res.getDimensionPixelSize(R.dimen.qs_notification_padding);
if (!mShowNotificationShelf) {
setVisibility(GONE);
}
}
@Override
protected void onConfigurationChanged(Configuration newConfig) {
super.onConfigurationChanged(newConfig);
initDimens();
}
@Override
public void setDark(boolean dark, boolean fade, long delay) {
if (mDark == dark) return;
super.setDark(dark, fade, delay);
mShelfIcons.setDark(dark, fade, delay);
updateInteractiveness();
updateOutline();
}
/**
* Alpha animation with translation played when this view is visible on AOD.
*/
public void fadeInTranslating() {
mShelfIcons.setTranslationY(-mShelfAppearTranslation);
mShelfIcons.setAlpha(0);
mShelfIcons.animate()
.setInterpolator(Interpolators.DECELERATE_QUINT)
.translationY(0)
.setDuration(SHELF_IN_TRANSLATION_DURATION)
.start();
mShelfIcons.animate()
.alpha(1)
.setInterpolator(Interpolators.LINEAR)
.setDuration(SHELF_IN_TRANSLATION_DURATION)
.start();
}
@Override
protected View getContentView() {
return mShelfIcons;
}
public NotificationIconContainer getShelfIcons() {
return mShelfIcons;
}
@Override
public ExpandableViewState createExpandableViewState() {
return new ShelfState();
}
/** Update the state of the shelf. */
public void updateState(AmbientState ambientState) {
ExpandableView lastView = ambientState.getLastVisibleBackgroundChild();
ShelfState viewState = (ShelfState) getViewState();
if (mShowNotificationShelf && lastView != null) {
float maxShelfEnd = ambientState.getInnerHeight() + ambientState.getTopPadding()
+ ambientState.getStackTranslation();
ExpandableViewState lastViewState = lastView.getViewState();
float viewEnd = lastViewState.yTranslation + lastViewState.height;
viewState.copyFrom(lastViewState);
viewState.height = getIntrinsicHeight();
float awakenTranslation = Math.max(Math.min(viewEnd, maxShelfEnd) - viewState.height,
getFullyClosedTranslation());
float yRatio = mAmbientState.hasPulsingNotifications() ?
0 : mAmbientState.getDarkAmount();
viewState.yTranslation = awakenTranslation + mDarkShelfPadding * yRatio;
viewState.zTranslation = ambientState.getBaseZHeight();
// For the small display size, it's not enough to make the icon not covered by
// the top cutout so the denominator add the height of cutout.
// Totally, (getIntrinsicHeight() * 2 + mCutoutHeight) should be smaller then
// mAmbientState.getTopPadding().
float openedAmount = (viewState.yTranslation - getFullyClosedTranslation())
/ (getIntrinsicHeight() * 2 + mCutoutHeight);
openedAmount = Math.min(1.0f, openedAmount);
viewState.openedAmount = openedAmount;
viewState.clipTopAmount = 0;
viewState.alpha = 1;
viewState.belowSpeedBump = mAmbientState.getSpeedBumpIndex() == 0;
viewState.hideSensitive = false;
viewState.xTranslation = getTranslationX();
if (mNotGoneIndex != -1) {
viewState.notGoneIndex = Math.min(viewState.notGoneIndex, mNotGoneIndex);
}
viewState.hasItemsInStableShelf = lastViewState.inShelf;
viewState.hidden = !mAmbientState.isShadeExpanded()
|| mAmbientState.isQsCustomizerShowing();
viewState.maxShelfEnd = maxShelfEnd;
} else {
viewState.hidden = true;
viewState.location = ExpandableViewState.LOCATION_GONE;
viewState.hasItemsInStableShelf = false;
}
}
/**
* Update the shelf appearance based on the other notifications around it. This transforms
* the icons from the notification area into the shelf.
*/
public void updateAppearance() {
// If the shelf should not be shown, then there is no need to update anything.
if (!mShowNotificationShelf) {
return;
}
mShelfIcons.resetViewStates();
float shelfStart = getTranslationY();
float numViewsInShelf = 0.0f;
View lastChild = mAmbientState.getLastVisibleBackgroundChild();
mNotGoneIndex = -1;
float interpolationStart = mMaxLayoutHeight - getIntrinsicHeight() * 2;
float expandAmount = 0.0f;
if (shelfStart >= interpolationStart) {
expandAmount = (shelfStart - interpolationStart) / getIntrinsicHeight();
expandAmount = Math.min(1.0f, expandAmount);
}
// find the first view that doesn't overlap with the shelf
int notGoneIndex = 0;
int colorOfViewBeforeLast = NO_COLOR;
boolean backgroundForceHidden = false;
if (mHideBackground && !((ShelfState) getViewState()).hasItemsInStableShelf) {
backgroundForceHidden = true;
}
int colorTwoBefore = NO_COLOR;
int previousColor = NO_COLOR;
float transitionAmount = 0.0f;
float currentScrollVelocity = mAmbientState.getCurrentScrollVelocity();
boolean scrollingFast = currentScrollVelocity > mScrollFastThreshold
|| (mAmbientState.isExpansionChanging()
&& Math.abs(mAmbientState.getExpandingVelocity()) > mScrollFastThreshold);
boolean scrolling = currentScrollVelocity > 0;
boolean expandingAnimated = mAmbientState.isExpansionChanging()
&& !mAmbientState.isPanelTracking();
int baseZHeight = mAmbientState.getBaseZHeight();
int backgroundTop = 0;
int clipTopAmount = 0;
float firstElementRoundness = 0.0f;
ActivatableNotificationView previousRow = null;
for (int i = 0; i < mHostLayout.getChildCount(); i++) {
ExpandableView child = (ExpandableView) mHostLayout.getChildAt(i);
if (!(child instanceof ActivatableNotificationView)
|| child.getVisibility() == GONE || child == this) {
continue;
}
ActivatableNotificationView row = (ActivatableNotificationView) child;
float notificationClipEnd;
boolean aboveShelf = ViewState.getFinalTranslationZ(row) > baseZHeight
|| row.isPinned();
boolean isLastChild = child == lastChild;
float rowTranslationY = row.getTranslationY();
if ((isLastChild && !child.isInShelf()) || aboveShelf || backgroundForceHidden) {
notificationClipEnd = shelfStart + getIntrinsicHeight();
} else {
notificationClipEnd = shelfStart - mPaddingBetweenElements;
float height = notificationClipEnd - rowTranslationY;
if (!row.isBelowSpeedBump() && height <= getNotificationMergeSize()) {
// We want the gap to close when we reached the minimum size and only shrink
// before
notificationClipEnd = Math.min(shelfStart,
rowTranslationY + getNotificationMergeSize());
}
}
int clipTop = updateNotificationClipHeight(row, notificationClipEnd, notGoneIndex);
clipTopAmount = Math.max(clipTop, clipTopAmount);
// If the current row is an ExpandableNotificationRow, update its color, roundedness,
// and icon state.
if (row instanceof ExpandableNotificationRow) {
ExpandableNotificationRow expandableRow = (ExpandableNotificationRow) row;
float inShelfAmount = updateIconAppearance(expandableRow, expandAmount, scrolling,
scrollingFast,
expandingAnimated, isLastChild);
numViewsInShelf += inShelfAmount;
int ownColorUntinted = row.getBackgroundColorWithoutTint();
if (rowTranslationY >= shelfStart && mNotGoneIndex == -1) {
mNotGoneIndex = notGoneIndex;
setTintColor(previousColor);
setOverrideTintColor(colorTwoBefore, transitionAmount);
} else if (mNotGoneIndex == -1) {
colorTwoBefore = previousColor;
transitionAmount = inShelfAmount;
}
if (isLastChild) {
if (colorOfViewBeforeLast == NO_COLOR) {
colorOfViewBeforeLast = ownColorUntinted;
}
row.setOverrideTintColor(colorOfViewBeforeLast, inShelfAmount);
} else {
colorOfViewBeforeLast = ownColorUntinted;
row.setOverrideTintColor(NO_COLOR, 0 /* overrideAmount */);
}
if (notGoneIndex != 0 || !aboveShelf) {
expandableRow.setAboveShelf(false);
}
if (notGoneIndex == 0) {
StatusBarIconView icon = expandableRow.getEntry().expandedIcon;
NotificationIconContainer.IconState iconState = getIconState(icon);
// The icon state might be null in rare cases where the notification is actually
// added to the layout, but not to the shelf. An example are replied messages,
// since they don't show up on AOD
if (iconState != null && iconState.clampedAppearAmount == 1.0f) {
// only if the first icon is fully in the shelf we want to clip to it!
backgroundTop = (int) (row.getTranslationY() - getTranslationY());
firstElementRoundness = row.getCurrentTopRoundness();
}
}
previousColor = ownColorUntinted;
notGoneIndex++;
}
if (row.isFirstInSection() && previousRow != null && previousRow.isLastInSection()) {
// If the top of the shelf is between the view before a gap and the view after a gap
// then we need to adjust the shelf's top roundness.
float distanceToGapBottom = row.getTranslationY() - getTranslationY();
float distanceToGapTop = getTranslationY()
- (previousRow.getTranslationY() + previousRow.getActualHeight());
if (distanceToGapTop > 0) {
// We interpolate our top roundness so that it's fully rounded if we're at the
// bottom of the gap, and not rounded at all if we're at the top of the gap
// (directly up against the bottom of previousRow)
// Then we apply the same roundness to the bottom of previousRow so that the
// corners join together as the shelf approaches previousRow.
firstElementRoundness = (float) Math.min(1.0, distanceToGapTop / mGapHeight);
previousRow.setBottomRoundness(firstElementRoundness,
false /* don't animate */);
backgroundTop = (int) distanceToGapBottom;
}
}
previousRow = row;
}
clipTransientViews();
setClipTopAmount(clipTopAmount);
setBackgroundTop(backgroundTop);
setFirstElementRoundness(firstElementRoundness);
mShelfIcons.setSpeedBumpIndex(mAmbientState.getSpeedBumpIndex());
mShelfIcons.calculateIconTranslations();
mShelfIcons.applyIconStates();
for (int i = 0; i < mHostLayout.getChildCount(); i++) {
View child = mHostLayout.getChildAt(i);
if (!(child instanceof ExpandableNotificationRow)
|| child.getVisibility() == GONE) {
continue;
}
ExpandableNotificationRow row = (ExpandableNotificationRow) child;
updateIconClipAmount(row);
updateContinuousClipping(row);
}
boolean hideBackground = numViewsInShelf < 1.0f;
setHideBackground(hideBackground || backgroundForceHidden);
if (mNotGoneIndex == -1) {
mNotGoneIndex = notGoneIndex;
}
}
/**
* Clips transient views to the top of the shelf - Transient views are only used for
* disappearing views/animations and need to be clipped correctly by the shelf to ensure they
* don't show underneath the notification stack when something is animating and the user
* swipes quickly.
*/
private void clipTransientViews() {
for (int i = 0; i < mHostLayout.getTransientViewCount(); i++) {
View transientView = mHostLayout.getTransientView(i);
if (transientView instanceof ExpandableNotificationRow) {
ExpandableNotificationRow transientRow = (ExpandableNotificationRow) transientView;
updateNotificationClipHeight(transientRow, getTranslationY(), -1);
} else {
Log.e(TAG, "NotificationShelf.clipTransientViews(): "
+ "Trying to clip non-row transient view");
}
}
}
private void setFirstElementRoundness(float firstElementRoundness) {
if (mFirstElementRoundness != firstElementRoundness) {
mFirstElementRoundness = firstElementRoundness;
setTopRoundness(firstElementRoundness, false /* animate */);
}
}
private void updateIconClipAmount(ExpandableNotificationRow row) {
float maxTop = row.getTranslationY();
if (getClipTopAmount() != 0) {
// if the shelf is clipped, lets make sure we also clip the icon
maxTop = Math.max(maxTop, getTranslationY() + getClipTopAmount());
}
StatusBarIconView icon = row.getEntry().expandedIcon;
float shelfIconPosition = getTranslationY() + icon.getTop() + icon.getTranslationY();
if (shelfIconPosition < maxTop && !mAmbientState.isFullyDark()) {
int top = (int) (maxTop - shelfIconPosition);
Rect clipRect = new Rect(0, top, icon.getWidth(), Math.max(top, icon.getHeight()));
icon.setClipBounds(clipRect);
} else {
icon.setClipBounds(null);
}
}
private void updateContinuousClipping(final ExpandableNotificationRow row) {
StatusBarIconView icon = row.getEntry().expandedIcon;
boolean needsContinuousClipping = ViewState.isAnimatingY(icon) && !mAmbientState.isDark();
boolean isContinuousClipping = icon.getTag(TAG_CONTINUOUS_CLIPPING) != null;
if (needsContinuousClipping && !isContinuousClipping) {
final ViewTreeObserver observer = icon.getViewTreeObserver();
ViewTreeObserver.OnPreDrawListener predrawListener =
new ViewTreeObserver.OnPreDrawListener() {
@Override
public boolean onPreDraw() {
boolean animatingY = ViewState.isAnimatingY(icon);
if (!animatingY) {
if (observer.isAlive()) {
observer.removeOnPreDrawListener(this);
}
icon.setTag(TAG_CONTINUOUS_CLIPPING, null);
return true;
}
updateIconClipAmount(row);
return true;
}
};
observer.addOnPreDrawListener(predrawListener);
icon.addOnAttachStateChangeListener(new OnAttachStateChangeListener() {
@Override
public void onViewAttachedToWindow(View v) {
}
@Override
public void onViewDetachedFromWindow(View v) {
if (v == icon) {
if (observer.isAlive()) {
observer.removeOnPreDrawListener(predrawListener);
}
icon.setTag(TAG_CONTINUOUS_CLIPPING, null);
}
}
});
icon.setTag(TAG_CONTINUOUS_CLIPPING, predrawListener);
}
}
/**
* Update the clipping of this view.
* @return the amount that our own top should be clipped
*/
private int updateNotificationClipHeight(ActivatableNotificationView row,
float notificationClipEnd, int childIndex) {
float viewEnd = row.getTranslationY() + row.getActualHeight();
boolean isPinned = (row.isPinned() || row.isHeadsUpAnimatingAway())
&& !mAmbientState.isDozingAndNotPulsing(row);
boolean shouldClipOwnTop = row.showingAmbientPulsing()
|| (mAmbientState.isPulseExpanding() && childIndex == 0);
if (viewEnd > notificationClipEnd && !shouldClipOwnTop
&& (mAmbientState.isShadeExpanded() || !isPinned)) {
int clipBottomAmount = (int) (viewEnd - notificationClipEnd);
if (isPinned) {
clipBottomAmount = Math.min(row.getIntrinsicHeight() - row.getCollapsedHeight(),
clipBottomAmount);
}
row.setClipBottomAmount(clipBottomAmount);
} else {
row.setClipBottomAmount(0);
}
if (shouldClipOwnTop) {
return (int) (viewEnd - getTranslationY());
} else {
return 0;
}
}
@Override
public void setFakeShadowIntensity(float shadowIntensity, float outlineAlpha, int shadowYEnd,
int outlineTranslation) {
if (!mHasItemsInStableShelf) {
shadowIntensity = 0.0f;
}
super.setFakeShadowIntensity(shadowIntensity, outlineAlpha, shadowYEnd, outlineTranslation);
}
/**
* @return the icon amount how much this notification is in the shelf;
*/
private float updateIconAppearance(ExpandableNotificationRow row, float expandAmount,
boolean scrolling, boolean scrollingFast, boolean expandingAnimated,
boolean isLastChild) {
StatusBarIconView icon = row.getEntry().expandedIcon;
NotificationIconContainer.IconState iconState = getIconState(icon);
if (iconState == null) {
return 0.0f;
}
// Let calculate how much the view is in the shelf
float viewStart = row.getTranslationY();
int fullHeight = row.getActualHeight() + mPaddingBetweenElements;
float iconTransformDistance = getIntrinsicHeight() * 1.5f;
iconTransformDistance *= NotificationUtils.interpolate(1.f, 1.5f, expandAmount);
iconTransformDistance = Math.min(iconTransformDistance, fullHeight);
if (isLastChild) {
fullHeight = Math.min(fullHeight, row.getMinHeight() - getIntrinsicHeight());
iconTransformDistance = Math.min(iconTransformDistance, row.getMinHeight()
- getIntrinsicHeight());
}
float viewEnd = viewStart + fullHeight;
// TODO: fix this check for anchor scrolling.
if (expandingAnimated && mAmbientState.getScrollY() == 0
&& !mAmbientState.isOnKeyguard() && !iconState.isLastExpandIcon) {
// We are expanding animated. Because we switch to a linear interpolation in this case,
// the last icon may be stuck in between the shelf position and the notification
// position, which looks pretty bad. We therefore optimize this case by applying a
// shorter transition such that the icon is either fully in the notification or we clamp
// it into the shelf if it's close enough.
// We need to persist this, since after the expansion, the behavior should still be the
// same.
float position = mAmbientState.getIntrinsicPadding()
+ mHostLayout.getPositionInLinearLayout(row);
int maxShelfStart = mMaxLayoutHeight - getIntrinsicHeight();
if (position < maxShelfStart && position + row.getIntrinsicHeight() >= maxShelfStart
&& row.getTranslationY() < position) {
iconState.isLastExpandIcon = true;
iconState.customTransformHeight = NO_VALUE;
// Let's check if we're close enough to snap into the shelf
boolean forceInShelf = mMaxLayoutHeight - getIntrinsicHeight() - position
< getIntrinsicHeight();
if (!forceInShelf) {
// We are overlapping the shelf but not enough, so the icon needs to be
// repositioned
iconState.customTransformHeight = (int) (mMaxLayoutHeight
- getIntrinsicHeight() - position);
}
}
}
float fullTransitionAmount;
float iconTransitionAmount;
float shelfStart = getTranslationY();
if (iconState.hasCustomTransformHeight()) {
fullHeight = iconState.customTransformHeight;
iconTransformDistance = iconState.customTransformHeight;
}
boolean fullyInOrOut = true;
if (viewEnd >= shelfStart && (!mAmbientState.isUnlockHintRunning() || row.isInShelf())
&& (mAmbientState.isShadeExpanded()
|| (!row.isPinned() && !row.isHeadsUpAnimatingAway()))) {
if (viewStart < shelfStart) {
float fullAmount = (shelfStart - viewStart) / fullHeight;
fullAmount = Math.min(1.0f, fullAmount);
float interpolatedAmount = Interpolators.ACCELERATE_DECELERATE.getInterpolation(
fullAmount);
interpolatedAmount = NotificationUtils.interpolate(
interpolatedAmount, fullAmount, expandAmount);
fullTransitionAmount = 1.0f - interpolatedAmount;
iconTransitionAmount = (shelfStart - viewStart) / iconTransformDistance;
iconTransitionAmount = Math.min(1.0f, iconTransitionAmount);
iconTransitionAmount = 1.0f - iconTransitionAmount;
fullyInOrOut = false;
} else {
fullTransitionAmount = 1.0f;
iconTransitionAmount = 1.0f;
}
} else {
fullTransitionAmount = 0.0f;
iconTransitionAmount = 0.0f;
}
if (fullyInOrOut && !expandingAnimated && iconState.isLastExpandIcon) {
iconState.isLastExpandIcon = false;
iconState.customTransformHeight = NO_VALUE;
}
updateIconPositioning(row, iconTransitionAmount, fullTransitionAmount,
iconTransformDistance, scrolling, scrollingFast, expandingAnimated, isLastChild);
return fullTransitionAmount;
}
private void updateIconPositioning(ExpandableNotificationRow row, float iconTransitionAmount,
float fullTransitionAmount, float iconTransformDistance, boolean scrolling,
boolean scrollingFast, boolean expandingAnimated, boolean isLastChild) {
StatusBarIconView icon = row.getEntry().expandedIcon;
NotificationIconContainer.IconState iconState = getIconState(icon);
if (iconState == null) {
return;
}
boolean forceInShelf = iconState.isLastExpandIcon && !iconState.hasCustomTransformHeight();
float clampedAmount = iconTransitionAmount > 0.5f ? 1.0f : 0.0f;
if (clampedAmount == fullTransitionAmount) {
iconState.noAnimations = (scrollingFast || expandingAnimated) && !forceInShelf;
iconState.useFullTransitionAmount = iconState.noAnimations
|| (!ICON_ANMATIONS_WHILE_SCROLLING && fullTransitionAmount == 0.0f && scrolling);
iconState.useLinearTransitionAmount = !ICON_ANMATIONS_WHILE_SCROLLING
&& fullTransitionAmount == 0.0f && !mAmbientState.isExpansionChanging();
iconState.translateContent = mMaxLayoutHeight - getTranslationY()
- getIntrinsicHeight() > 0;
}
if (!forceInShelf && (scrollingFast || (expandingAnimated
&& iconState.useFullTransitionAmount && !ViewState.isAnimatingY(icon)))) {
iconState.cancelAnimations(icon);
iconState.useFullTransitionAmount = true;
iconState.noAnimations = true;
}
if (iconState.hasCustomTransformHeight()) {
iconState.useFullTransitionAmount = true;
}
if (iconState.isLastExpandIcon) {
iconState.translateContent = false;
}
float transitionAmount;
if (mAmbientState.isDarkAtAll() && !row.isInShelf()) {
transitionAmount = mAmbientState.isFullyDark() ? 1 : 0;
} else if (isLastChild || !USE_ANIMATIONS_WHEN_OPENING || iconState.useFullTransitionAmount
|| iconState.useLinearTransitionAmount) {
transitionAmount = iconTransitionAmount;
} else {
// We take the clamped position instead
transitionAmount = clampedAmount;
iconState.needsCannedAnimation = iconState.clampedAppearAmount != clampedAmount
&& !mNoAnimationsInThisFrame;
}
iconState.iconAppearAmount = !USE_ANIMATIONS_WHEN_OPENING
|| iconState.useFullTransitionAmount
? fullTransitionAmount
: transitionAmount;
iconState.clampedAppearAmount = clampedAmount;
float contentTransformationAmount = !row.isAboveShelf()
&& (isLastChild || iconState.translateContent)
? iconTransitionAmount
: 0.0f;
row.setContentTransformationAmount(contentTransformationAmount, isLastChild);
setIconTransformationAmount(row, transitionAmount, iconTransformDistance,
clampedAmount != transitionAmount, isLastChild);
}
private void setIconTransformationAmount(ExpandableNotificationRow row,
float transitionAmount, float iconTransformDistance, boolean usingLinearInterpolation,
boolean isLastChild) {
StatusBarIconView icon = row.getEntry().expandedIcon;
NotificationIconContainer.IconState iconState = getIconState(icon);
View rowIcon = row.getNotificationIcon();
float notificationIconPosition = row.getTranslationY() + row.getContentTranslation();
boolean stayingInShelf = row.isInShelf() && !row.isTransformingIntoShelf();
if (usingLinearInterpolation && !stayingInShelf) {
// If we interpolate from the notification position, this might lead to a slightly
// odd interpolation, since the notification position changes as well. Let's interpolate
// from a fixed distance. We can only do this if we don't animate and the icon is
// always in the interpolated positon.
notificationIconPosition = getTranslationY() - iconTransformDistance;
}
float notificationIconSize = 0.0f;
int iconTopPadding;
if (rowIcon != null) {
iconTopPadding = row.getRelativeTopPadding(rowIcon);
notificationIconSize = rowIcon.getHeight();
} else {
iconTopPadding = mIconAppearTopPadding;
}
notificationIconPosition += iconTopPadding;
float shelfIconPosition = getTranslationY() + icon.getTop();
float iconSize = mDark ? mDarkShelfIconSize : mIconSize;
shelfIconPosition += (icon.getHeight() - icon.getIconScale() * iconSize) / 2.0f;
float iconYTranslation = NotificationUtils.interpolate(
notificationIconPosition - shelfIconPosition,
0,
transitionAmount);
float shelfIconSize = iconSize * icon.getIconScale();
float alpha = 1.0f;
boolean noIcon = !row.isShowingIcon();
if (noIcon) {
// The view currently doesn't have an icon, lets transform it in!
alpha = transitionAmount;
notificationIconSize = shelfIconSize / 2.0f;
}
// The notification size is different from the size in the shelf / statusbar
float newSize = NotificationUtils.interpolate(notificationIconSize, shelfIconSize,
transitionAmount);
if (iconState != null) {
iconState.scaleX = newSize / shelfIconSize;
iconState.scaleY = iconState.scaleX;
iconState.hidden = transitionAmount == 0.0f && !iconState.isAnimating(icon);
boolean isAppearing = row.isDrawingAppearAnimation() && !row.isInShelf();
if (isAppearing) {
iconState.hidden = true;
iconState.iconAppearAmount = 0.0f;
}
iconState.alpha = alpha;
iconState.yTranslation = iconYTranslation;
if (stayingInShelf) {
iconState.iconAppearAmount = 1.0f;
iconState.alpha = 1.0f;
iconState.scaleX = 1.0f;
iconState.scaleY = 1.0f;
iconState.hidden = false;
}
if (row.isAboveShelf() || (!row.isInShelf() && (isLastChild && row.areGutsExposed()
|| row.getTranslationZ() > mAmbientState.getBaseZHeight()))) {
iconState.hidden = true;
}
int backgroundColor = getBackgroundColorWithoutTint();
int shelfColor = icon.getContrastedStaticDrawableColor(backgroundColor);
if (!noIcon && shelfColor != StatusBarIconView.NO_COLOR) {
int iconColor = row.getVisibleNotificationHeader().getOriginalIconColor();
shelfColor = NotificationUtils.interpolateColors(iconColor, shelfColor,
iconState.iconAppearAmount);
}
iconState.iconColor = shelfColor;
}
}
private NotificationIconContainer.IconState getIconState(StatusBarIconView icon) {
return mShelfIcons.getIconState(icon);
}
private float getFullyClosedTranslation() {
return - (getIntrinsicHeight() - mStatusBarHeight) / 2;
}
public int getNotificationMergeSize() {
return getIntrinsicHeight();
}
@Override
public boolean hasNoContentHeight() {
return true;
}
private void setHideBackground(boolean hideBackground) {
if (mHideBackground != hideBackground) {
mHideBackground = hideBackground;
updateBackground();
updateOutline();
}
}
@Override
protected boolean needsOutline() {
return !mHideBackground && !mDark && super.needsOutline();
}
@Override
protected boolean shouldHideBackground() {
return super.shouldHideBackground() || mHideBackground || mDark;
}
@Override
protected void onLayout(boolean changed, int left, int top, int right, int bottom) {
super.onLayout(changed, left, top, right, bottom);
updateRelativeOffset();
// we always want to clip to our sides, such that nothing can draw outside of these bounds
int height = getResources().getDisplayMetrics().heightPixels;
mClipRect.set(0, -height, getWidth(), height);
mShelfIcons.setClipBounds(mClipRect);
}
private void updateRelativeOffset() {
mCollapsedIcons.getLocationOnScreen(mTmp);
mRelativeOffset = mTmp[0];
getLocationOnScreen(mTmp);
mRelativeOffset -= mTmp[0];
}
@Override
public WindowInsets onApplyWindowInsets(WindowInsets insets) {
WindowInsets ret = super.onApplyWindowInsets(insets);
// NotificationShelf drag from the status bar and the status bar dock on the top
// of the display for current design so just focus on the top of ScreenDecorations.
// In landscape or multiple window split mode, the NotificationShelf still drag from
// the top and the physical notch/cutout goes to the right, left, or both side of the
// display so it doesn't matter for the NotificationSelf in landscape.
DisplayCutout displayCutout = insets.getDisplayCutout();
mCutoutHeight = displayCutout == null || displayCutout.getSafeInsetTop() < 0
? 0 : displayCutout.getSafeInsetTop();
return ret;
}
private void setOpenedAmount(float openedAmount) {
mNoAnimationsInThisFrame = openedAmount == 1.0f && mOpenedAmount == 0.0f;
mOpenedAmount = openedAmount;
if (!mAmbientState.isPanelFullWidth() || mAmbientState.isDark()) {
// We don't do a transformation at all, lets just assume we are fully opened
openedAmount = 1.0f;
}
int start = mRelativeOffset;
if (isLayoutRtl()) {
start = getWidth() - start - mCollapsedIcons.getWidth();
}
int width = (int) NotificationUtils.interpolate(
start + mCollapsedIcons.getFinalTranslationX(),
mShelfIcons.getWidth(),
FAST_OUT_SLOW_IN_REVERSE.getInterpolation(openedAmount));
mShelfIcons.setActualLayoutWidth(width);
boolean hasOverflow = mCollapsedIcons.hasOverflow();
int collapsedPadding = mCollapsedIcons.getPaddingEnd();
if (!hasOverflow) {
// we have to ensure that adding the low priority notification won't lead to an
// overflow
collapsedPadding -= mCollapsedIcons.getNoOverflowExtraPadding();
} else {
// Partial overflow padding will fill enough space to add extra dots
collapsedPadding -= mCollapsedIcons.getPartialOverflowExtraPadding();
}
float padding = NotificationUtils.interpolate(collapsedPadding,
mShelfIcons.getPaddingEnd(),
openedAmount);
mShelfIcons.setActualPaddingEnd(padding);
float paddingStart = NotificationUtils.interpolate(start,
mShelfIcons.getPaddingStart(), openedAmount);
mShelfIcons.setActualPaddingStart(paddingStart);
mShelfIcons.setOpenedAmount(openedAmount);
}
public void setMaxLayoutHeight(int maxLayoutHeight) {
mMaxLayoutHeight = maxLayoutHeight;
}
/**
* @return the index of the notification at which the shelf visually resides
*/
public int getNotGoneIndex() {
return mNotGoneIndex;
}
private void setHasItemsInStableShelf(boolean hasItemsInStableShelf) {
if (mHasItemsInStableShelf != hasItemsInStableShelf) {
mHasItemsInStableShelf = hasItemsInStableShelf;
updateInteractiveness();
}
}
/**
* @return whether the shelf has any icons in it when a potential animation has finished, i.e
* if the current state would be applied right now
*/
public boolean hasItemsInStableShelf() {
return mHasItemsInStableShelf;
}
public void setCollapsedIcons(NotificationIconContainer collapsedIcons) {
mCollapsedIcons = collapsedIcons;
mCollapsedIcons.addOnLayoutChangeListener(this);
}
@Override
public void onStateChanged(int newState) {
mStatusBarState = newState;
updateInteractiveness();
}
private void updateInteractiveness() {
mInteractive = mStatusBarState == StatusBarState.KEYGUARD && mHasItemsInStableShelf
&& !mDark;
setClickable(mInteractive);
setFocusable(mInteractive);
setImportantForAccessibility(mInteractive ? View.IMPORTANT_FOR_ACCESSIBILITY_YES
: View.IMPORTANT_FOR_ACCESSIBILITY_NO_HIDE_DESCENDANTS);
}
@Override
protected boolean isInteractive() {
return mInteractive;
}
public void setMaxShelfEnd(float maxShelfEnd) {
mMaxShelfEnd = maxShelfEnd;
}
public void setAnimationsEnabled(boolean enabled) {
mAnimationsEnabled = enabled;
if (!enabled) {
// we need to wait with enabling the animations until the first frame has passed
mShelfIcons.setAnimationsEnabled(false);
}
}
@Override
public boolean hasOverlappingRendering() {
return false; // Shelf only uses alpha for transitions where the difference can't be seen.
}
@Override
public void onInitializeAccessibilityNodeInfo(AccessibilityNodeInfo info) {
super.onInitializeAccessibilityNodeInfo(info);
if (mInteractive) {
info.addAction(AccessibilityNodeInfo.AccessibilityAction.ACTION_EXPAND);
AccessibilityNodeInfo.AccessibilityAction unlock
= new AccessibilityNodeInfo.AccessibilityAction(
AccessibilityNodeInfo.ACTION_CLICK,
getContext().getString(R.string.accessibility_overflow_action));
info.addAction(unlock);
}
}
@Override
public void onLayoutChange(View v, int left, int top, int right, int bottom, int oldLeft,
int oldTop, int oldRight, int oldBottom) {
updateRelativeOffset();
}
public void onUiModeChanged() {
updateBackgroundColors();
}
private class ShelfState extends ExpandableViewState {
private float openedAmount;
private boolean hasItemsInStableShelf;
private float maxShelfEnd;
@Override
public void applyToView(View view) {
if (!mShowNotificationShelf) {
return;
}
super.applyToView(view);
setMaxShelfEnd(maxShelfEnd);
setOpenedAmount(openedAmount);
updateAppearance();
setHasItemsInStableShelf(hasItemsInStableShelf);
mShelfIcons.setAnimationsEnabled(mAnimationsEnabled);
}
@Override
public void animateTo(View child, AnimationProperties properties) {
if (!mShowNotificationShelf) {
return;
}
super.animateTo(child, properties);
setMaxShelfEnd(maxShelfEnd);
setOpenedAmount(openedAmount);
updateAppearance();
setHasItemsInStableShelf(hasItemsInStableShelf);
mShelfIcons.setAnimationsEnabled(mAnimationsEnabled);
}
}
}