| /* |
| * 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 android.content.Context; |
| import android.content.res.Configuration; |
| import android.util.AttributeSet; |
| import android.view.View; |
| import android.view.ViewGroup; |
| |
| import com.android.systemui.Interpolators; |
| import com.android.systemui.R; |
| import com.android.systemui.ViewInvertHelper; |
| import com.android.systemui.statusbar.notification.NotificationUtils; |
| import com.android.systemui.statusbar.phone.NotificationIconContainer; |
| import com.android.systemui.statusbar.phone.NotificationPanelView; |
| import com.android.systemui.statusbar.stack.AmbientState; |
| import com.android.systemui.statusbar.stack.AnimationProperties; |
| import com.android.systemui.statusbar.stack.ExpandableViewState; |
| import com.android.systemui.statusbar.stack.NotificationStackScrollLayout; |
| import com.android.systemui.statusbar.stack.StackScrollState; |
| |
| import java.util.ArrayList; |
| import java.util.WeakHashMap; |
| |
| /** |
| * 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 { |
| |
| private ViewInvertHelper mViewInvertHelper; |
| private boolean mDark; |
| private NotificationIconContainer mShelfIcons; |
| private ArrayList<StatusBarIconView> mIcons = new ArrayList<>(); |
| private ShelfState mShelfState; |
| private int[] mTmp = new int[2]; |
| private boolean mHideBackground; |
| private int mIconAppearTopPadding; |
| 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; |
| |
| public NotificationShelf(Context context, AttributeSet attrs) { |
| super(context, attrs); |
| } |
| |
| @Override |
| protected void onFinishInflate() { |
| super.onFinishInflate(); |
| mShelfIcons = (NotificationIconContainer) findViewById(R.id.content); |
| mShelfIcons.setClipChildren(false); |
| mShelfIcons.setClipToPadding(false); |
| |
| setClipToActualHeight(false); |
| setClipChildren(false); |
| setClipToPadding(false); |
| mShelfIcons.setShowAllIcons(false); |
| mViewInvertHelper = new ViewInvertHelper(mShelfIcons, |
| NotificationPanelView.DOZE_ANIMATION_DURATION); |
| mShelfState = new ShelfState(); |
| initDimens(); |
| } |
| |
| public void bind(AmbientState ambientState, NotificationStackScrollLayout hostLayout) { |
| mAmbientState = ambientState; |
| mHostLayout = hostLayout; |
| } |
| |
| private void initDimens() { |
| mIconAppearTopPadding = getResources().getDimensionPixelSize( |
| R.dimen.notification_icon_appear_padding); |
| mStatusBarHeight = getResources().getDimensionPixelOffset(R.dimen.status_bar_height); |
| mStatusBarPaddingStart = getResources().getDimensionPixelOffset( |
| R.dimen.status_bar_padding_start); |
| mPaddingBetweenElements = getResources().getDimensionPixelSize( |
| R.dimen.notification_divider_height); |
| } |
| |
| @Override |
| protected void onConfigurationChanged(Configuration newConfig) { |
| super.onConfigurationChanged(newConfig); |
| initDimens(); |
| } |
| |
| @Override |
| public void setDark(boolean dark, boolean fade, long delay) { |
| super.setDark(dark, fade, delay); |
| if (mDark == dark) return; |
| mDark = dark; |
| if (fade) { |
| mViewInvertHelper.fade(dark, delay); |
| } else { |
| mViewInvertHelper.update(dark); |
| } |
| } |
| |
| @Override |
| protected View getContentView() { |
| return mShelfIcons; |
| } |
| |
| public NotificationIconContainer getShelfIcons() { |
| return mShelfIcons; |
| } |
| |
| @Override |
| public ExpandableViewState createNewViewState(StackScrollState stackScrollState) { |
| return mShelfState; |
| } |
| |
| public void updateState(StackScrollState resultState, |
| AmbientState ambientState) { |
| View lastView = ambientState.getLastVisibleBackgroundChild(); |
| if (lastView != null) { |
| float maxShelfEnd = ambientState.getInnerHeight() + ambientState.getTopPadding() |
| + ambientState.getStackTranslation(); |
| ExpandableViewState lastViewState = resultState.getViewStateForView(lastView); |
| float viewEnd = lastViewState.yTranslation + lastViewState.height; |
| mShelfState.copyFrom(lastViewState); |
| mShelfState.height = getIntrinsicHeight(); |
| mShelfState.yTranslation = Math.max(Math.min(viewEnd, maxShelfEnd) - mShelfState.height, |
| getFullyClosedTranslation()); |
| mShelfState.zTranslation = ambientState.getBaseZHeight(); |
| float openedAmount = (mShelfState.yTranslation - getFullyClosedTranslation()) |
| / (getIntrinsicHeight() * 2); |
| openedAmount = Math.min(1.0f, openedAmount); |
| mShelfState.openedAmount = openedAmount; |
| mShelfState.clipTopAmount = 0; |
| mShelfState.alpha = 1.0f; |
| mShelfState.belowSpeedBump = false; |
| mShelfState.shadowAlpha = 1.0f; |
| mShelfState.isBottomClipped = false; |
| mShelfState.hideSensitive = false; |
| mShelfState.xTranslation = getTranslationX(); |
| if (mNotGoneIndex != -1) { |
| mShelfState.notGoneIndex = Math.min(mShelfState.notGoneIndex, mNotGoneIndex); |
| } |
| mShelfState.hasItemsInStableShelf = lastViewState.inShelf; |
| } else { |
| mShelfState.hidden = true; |
| mShelfState.location = ExpandableViewState.LOCATION_GONE; |
| mShelfState.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() { |
| WeakHashMap<View, NotificationIconContainer.IconState> iconStates = |
| mShelfIcons.resetViewStates(); |
| float numViewsInShelf = 0.0f; |
| View lastChild = mAmbientState.getLastVisibleBackgroundChild(); |
| mNotGoneIndex = -1; |
| float interpolationStart = mMaxLayoutHeight - getIntrinsicHeight() * 2; |
| float expandAmount = 0.0f; |
| if (getTranslationY() >= interpolationStart) { |
| expandAmount = (getTranslationY() - interpolationStart) / getIntrinsicHeight(); |
| expandAmount = Math.min(1.0f, expandAmount); |
| } |
| // find the first view that doesn't overlap with the shelf |
| int notificationIndex = 0; |
| int notGoneIndex = 0; |
| boolean backgroundForceHidden = false; |
| if (mHideBackground && !mShelfState.hasItemsInStableShelf) { |
| backgroundForceHidden = true; |
| } |
| while (notificationIndex < mHostLayout.getChildCount()) { |
| ExpandableView child = (ExpandableView) mHostLayout.getChildAt(notificationIndex); |
| notificationIndex++; |
| if (!(child instanceof ExpandableNotificationRow) |
| || child.getVisibility() == GONE) { |
| continue; |
| } |
| ExpandableNotificationRow row = (ExpandableNotificationRow) child; |
| StatusBarIconView icon = row.getEntry().expandedIcon; |
| NotificationIconContainer.IconState iconState = iconStates.get(icon); |
| float notificationClipEnd; |
| float shelfStart = getTranslationY(); |
| boolean aboveShelf = row.getTranslationZ() > mAmbientState.getBaseZHeight(); |
| if (child == lastChild || aboveShelf || backgroundForceHidden) { |
| notificationClipEnd = shelfStart + getIntrinsicHeight(); |
| } else { |
| notificationClipEnd = shelfStart - mPaddingBetweenElements; |
| float height = notificationClipEnd - row.getTranslationY(); |
| if (height <= getNotificationMergeSize()) { |
| // We want the gap to close when we reached the minimum size and only shrink |
| // before |
| notificationClipEnd = Math.min(shelfStart, |
| row.getTranslationY() + getNotificationMergeSize()); |
| } |
| } |
| updateNotificationClipHeight(row, notificationClipEnd); |
| numViewsInShelf += updateIconAppearance(row, iconState, icon, expandAmount); |
| if (row.getTranslationY() >= getTranslationY() && mNotGoneIndex == -1) { |
| mNotGoneIndex = notGoneIndex; |
| } |
| if (notGoneIndex != 0 || !aboveShelf) { |
| row.setAboveShelf(false); |
| } |
| notGoneIndex++; |
| } |
| mShelfIcons.calculateIconTranslations(); |
| mShelfIcons.applyIconStates(); |
| setVisibility(numViewsInShelf != 0.0f && mAmbientState.isShadeExpanded() |
| ? VISIBLE |
| : INVISIBLE); |
| boolean hideBackground = numViewsInShelf < 1.0f; |
| setHideBackground(hideBackground || backgroundForceHidden); |
| if (mNotGoneIndex == -1) { |
| mNotGoneIndex = notGoneIndex; |
| } |
| } |
| |
| private void updateNotificationClipHeight(ExpandableNotificationRow row, |
| float notificationClipEnd) { |
| float viewEnd = row.getTranslationY() + row.getActualHeight(); |
| if (viewEnd > notificationClipEnd |
| && (mAmbientState.isShadeExpanded() |
| || (!row.isPinned() && !row.isHeadsUpAnimatingAway()))) { |
| row.setClipBottomAmount((int) (viewEnd - notificationClipEnd)); |
| } else { |
| row.setClipBottomAmount(0); |
| } |
| } |
| |
| private float updateIconAppearance(ExpandableNotificationRow row, |
| NotificationIconContainer.IconState iconState, StatusBarIconView icon, |
| float expandAmount) { |
| // Let calculate how much the view is in the shelf |
| float viewStart = row.getTranslationY(); |
| int transformHeight = row.getActualHeight() + mPaddingBetweenElements; |
| float viewEnd = viewStart + transformHeight; |
| float iconAppearAmount; |
| float yTranslation; |
| float alpha = 1.0f; |
| if (viewEnd >= getTranslationY() && (mAmbientState.isShadeExpanded() |
| || (!row.isPinned() && !row.isHeadsUpAnimatingAway()))) { |
| if (viewStart < getTranslationY()) { |
| float linearAmount = (getTranslationY() - viewStart) / transformHeight; |
| float interpolatedAmount = Interpolators.ACCELERATE_DECELERATE.getInterpolation( |
| linearAmount); |
| interpolatedAmount = NotificationUtils.interpolate( |
| interpolatedAmount, linearAmount, expandAmount); |
| iconAppearAmount = 1.0f - interpolatedAmount; |
| } else { |
| iconAppearAmount = 1.0f; |
| } |
| } else { |
| iconAppearAmount = 0.0f; |
| } |
| |
| // Lets now calculate how much of the transformation has already happened. This is different |
| // from the above, since we only start transforming when the view is already quite a bit |
| // pushed in. |
| View rowIcon = row.getNotificationIcon(); |
| float notificationIconPosition = viewStart; |
| float notificationIconSize = 0.0f; |
| int iconTopPadding; |
| if (rowIcon != null) { |
| iconTopPadding = getIconTopPadding(rowIcon); |
| notificationIconSize = rowIcon.getHeight(); |
| } else { |
| iconTopPadding = mIconAppearTopPadding; |
| } |
| notificationIconPosition += iconTopPadding; |
| float shelfIconPosition = getTranslationY() + icon.getTop(); |
| shelfIconPosition += ((1.0f - icon.getIconScale()) * icon.getHeight()) / 2.0f; |
| float transitionDistance = getIntrinsicHeight() * 1.5f; |
| float transformationStartPosition = getTranslationY() - transitionDistance; |
| float transitionAmount = 0.0f; |
| if (viewStart < transformationStartPosition |
| || (!mAmbientState.isShadeExpanded() |
| && (row.isPinned() || row.isHeadsUpAnimatingAway()))) { |
| // We simply place it on the icon of the notification |
| yTranslation = notificationIconPosition - shelfIconPosition; |
| } else { |
| transitionAmount = (viewStart - transformationStartPosition) |
| / transitionDistance; |
| float startPosition = transformationStartPosition + iconTopPadding; |
| yTranslation = NotificationUtils.interpolate( |
| startPosition - shelfIconPosition, 0, transitionAmount); |
| // If we are merging into the shelf, lets make sure the shelf is at least on our height, |
| // otherwise the icons won't be visible. |
| setTranslationZ(Math.max(getTranslationZ(), row.getTranslationZ())); |
| } |
| float shelfIconSize = icon.getHeight() * icon.getIconScale(); |
| if (!row.isShowingIcon()) { |
| // 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); |
| row.setIconTransformationAmount(transitionAmount); |
| if (iconState != null) { |
| iconState.scaleX = newSize / icon.getHeight() / icon.getIconScale(); |
| iconState.scaleY = iconState.scaleX; |
| iconState.hidden = transitionAmount == 0.0f; |
| iconState.iconAppearAmount = iconAppearAmount; |
| iconState.alpha = alpha; |
| iconState.yTranslation = yTranslation; |
| icon.setVisibility(transitionAmount == 0.0f ? INVISIBLE : VISIBLE); |
| if (row.isInShelf() && !row.isTransformingIntoShelf()) { |
| iconState.iconAppearAmount = 1.0f; |
| iconState.alpha = 1.0f; |
| iconState.scaleX = 1.0f; |
| iconState.scaleY = 1.0f; |
| iconState.hidden = false; |
| } |
| } |
| return iconAppearAmount; |
| } |
| |
| private float getFullyClosedTranslation() { |
| return - (getIntrinsicHeight() - mStatusBarHeight) / 2; |
| } |
| |
| private int getIconTopPadding(View icon) { |
| View view = icon; |
| int topPadding = 0; |
| while (view.getParent() instanceof ViewGroup) { |
| topPadding += view.getTop(); |
| view = (View) view.getParent(); |
| if (view instanceof ExpandableNotificationRow) { |
| return topPadding; |
| } |
| } |
| return topPadding; |
| } |
| |
| public int getNotificationMergeSize() { |
| return getIntrinsicHeight(); |
| } |
| |
| @Override |
| public boolean hasNoContentHeight() { |
| return true; |
| } |
| |
| private void setHideBackground(boolean hideBackground) { |
| mHideBackground = hideBackground; |
| updateBackground(); |
| updateOutline(); |
| } |
| |
| public boolean hidesBackground() { |
| return mHideBackground; |
| } |
| |
| @Override |
| protected boolean needsOutline() { |
| return !mHideBackground && super.needsOutline(); |
| } |
| |
| @Override |
| protected boolean shouldHideBackground() { |
| return super.shouldHideBackground() || mHideBackground; |
| } |
| |
| private void setOpenedAmount(float openedAmount) { |
| mCollapsedIcons.getLocationOnScreen(mTmp); |
| int start = mTmp[0]; |
| if (isLayoutRtl()) { |
| start = getWidth() - start - mCollapsedIcons.getWidth(); |
| } |
| int width = (int) NotificationUtils.interpolate(start + mCollapsedIcons.getWidth(), |
| mShelfIcons.getWidth(), |
| openedAmount); |
| mShelfIcons.setActualLayoutWidth(width); |
| float padding = NotificationUtils.interpolate(mCollapsedIcons.getPaddingEnd(), |
| mShelfIcons.getPaddingEnd(), |
| openedAmount); |
| mShelfIcons.setActualPaddingEnd(padding); |
| float paddingStart = NotificationUtils.interpolate(start, |
| mShelfIcons.getPaddingStart(), openedAmount); |
| mShelfIcons.setActualPaddingStart(paddingStart); |
| } |
| |
| 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) { |
| mHasItemsInStableShelf = hasItemsInStableShelf; |
| } |
| |
| /** |
| * @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; |
| } |
| |
| private class ShelfState extends ExpandableViewState { |
| private float openedAmount; |
| private boolean hasItemsInStableShelf; |
| |
| @Override |
| public void applyToView(View view) { |
| super.applyToView(view); |
| updateAppearance(); |
| setOpenedAmount(openedAmount); |
| setHasItemsInStableShelf(hasItemsInStableShelf); |
| } |
| |
| @Override |
| public void animateTo(View child, AnimationProperties properties) { |
| super.animateTo(child, properties); |
| setOpenedAmount(openedAmount); |
| updateAppearance(); |
| setHasItemsInStableShelf(hasItemsInStableShelf); |
| } |
| } |
| } |