| /* |
| * Copyright (C) 2015 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.stack; |
| |
| import android.app.Notification; |
| import android.content.Context; |
| import android.content.res.Configuration; |
| import android.graphics.drawable.ColorDrawable; |
| import android.service.notification.StatusBarNotification; |
| import android.util.AttributeSet; |
| import android.view.LayoutInflater; |
| import android.view.NotificationHeaderView; |
| import android.view.View; |
| import android.view.ViewGroup; |
| import android.widget.RemoteViews; |
| import android.widget.TextView; |
| |
| import com.android.systemui.R; |
| import com.android.systemui.ViewInvertHelper; |
| import com.android.systemui.statusbar.CrossFadeHelper; |
| import com.android.systemui.statusbar.ExpandableNotificationRow; |
| import com.android.systemui.statusbar.NotificationHeaderUtil; |
| import com.android.systemui.statusbar.notification.HybridGroupManager; |
| import com.android.systemui.statusbar.notification.HybridNotificationView; |
| import com.android.systemui.statusbar.notification.NotificationUtils; |
| import com.android.systemui.statusbar.notification.NotificationViewWrapper; |
| import com.android.systemui.statusbar.phone.NotificationPanelView; |
| |
| import java.util.ArrayList; |
| import java.util.List; |
| |
| /** |
| * A container containing child notifications |
| */ |
| public class NotificationChildrenContainer extends ViewGroup { |
| |
| private static final int NUMBER_OF_CHILDREN_WHEN_COLLAPSED = 2; |
| private static final int NUMBER_OF_CHILDREN_WHEN_SYSTEM_EXPANDED = 5; |
| private static final int NUMBER_OF_CHILDREN_WHEN_CHILDREN_EXPANDED = 8; |
| |
| private final List<View> mDividers = new ArrayList<>(); |
| private final List<ExpandableNotificationRow> mChildren = new ArrayList<>(); |
| private final HybridGroupManager mHybridGroupManager; |
| private int mChildPadding; |
| private int mDividerHeight; |
| private int mMaxNotificationHeight; |
| private int mNotificationHeaderMargin; |
| private int mNotificatonTopPadding; |
| private float mCollapsedBottompadding; |
| private ViewInvertHelper mOverflowInvertHelper; |
| private boolean mChildrenExpanded; |
| private ExpandableNotificationRow mNotificationParent; |
| private TextView mOverflowNumber; |
| private ViewState mGroupOverFlowState; |
| private int mRealHeight; |
| private boolean mUserLocked; |
| private int mActualHeight; |
| private boolean mNeverAppliedGroupState; |
| private int mHeaderHeight; |
| |
| private NotificationHeaderView mNotificationHeader; |
| private NotificationViewWrapper mNotificationHeaderWrapper; |
| private NotificationHeaderUtil mHeaderUtil; |
| private ViewState mHeaderViewState; |
| private int mClipBottomAmount; |
| |
| public NotificationChildrenContainer(Context context) { |
| this(context, null); |
| } |
| |
| public NotificationChildrenContainer(Context context, AttributeSet attrs) { |
| this(context, attrs, 0); |
| } |
| |
| public NotificationChildrenContainer(Context context, AttributeSet attrs, int defStyleAttr) { |
| this(context, attrs, defStyleAttr, 0); |
| } |
| |
| public NotificationChildrenContainer(Context context, AttributeSet attrs, int defStyleAttr, |
| int defStyleRes) { |
| super(context, attrs, defStyleAttr, defStyleRes); |
| initDimens(); |
| mHybridGroupManager = new HybridGroupManager(getContext(), this); |
| } |
| |
| private void initDimens() { |
| mChildPadding = getResources().getDimensionPixelSize( |
| R.dimen.notification_children_padding); |
| mDividerHeight = Math.max(1, getResources().getDimensionPixelSize( |
| R.dimen.notification_divider_height)); |
| mHeaderHeight = getResources().getDimensionPixelSize(R.dimen.notification_header_height); |
| mMaxNotificationHeight = getResources().getDimensionPixelSize( |
| R.dimen.notification_max_height); |
| mNotificationHeaderMargin = getResources().getDimensionPixelSize( |
| com.android.internal.R.dimen.notification_content_margin_top); |
| mNotificatonTopPadding = getResources().getDimensionPixelSize( |
| R.dimen.notification_children_container_top_padding); |
| mCollapsedBottompadding = getResources().getDimensionPixelSize( |
| com.android.internal.R.dimen.notification_content_margin_bottom); |
| } |
| |
| @Override |
| protected void onLayout(boolean changed, int l, int t, int r, int b) { |
| int childCount = Math.min(mChildren.size(), NUMBER_OF_CHILDREN_WHEN_CHILDREN_EXPANDED); |
| for (int i = 0; i < childCount; i++) { |
| View child = mChildren.get(i); |
| // We need to layout all children even the GONE ones, such that the heights are |
| // calculated correctly as they are used to calculate how many we can fit on the screen |
| child.layout(0, 0, child.getMeasuredWidth(), child.getMeasuredHeight()); |
| mDividers.get(i).layout(0, 0, getWidth(), mDividerHeight); |
| } |
| if (mOverflowNumber != null) { |
| boolean isRtl = getLayoutDirection() == LAYOUT_DIRECTION_RTL; |
| int left = (isRtl ? 0 : getWidth() - mOverflowNumber.getMeasuredWidth()); |
| int right = left + mOverflowNumber.getMeasuredWidth(); |
| mOverflowNumber.layout(left, 0, right, mOverflowNumber.getMeasuredHeight()); |
| } |
| if (mNotificationHeader != null) { |
| mNotificationHeader.layout(0, 0, mNotificationHeader.getMeasuredWidth(), |
| mNotificationHeader.getMeasuredHeight()); |
| } |
| } |
| |
| @Override |
| protected void onMeasure(int widthMeasureSpec, int heightMeasureSpec) { |
| int ownMaxHeight = mMaxNotificationHeight; |
| int heightMode = MeasureSpec.getMode(heightMeasureSpec); |
| boolean hasFixedHeight = heightMode == MeasureSpec.EXACTLY; |
| boolean isHeightLimited = heightMode == MeasureSpec.AT_MOST; |
| int size = MeasureSpec.getSize(heightMeasureSpec); |
| if (hasFixedHeight || isHeightLimited) { |
| ownMaxHeight = Math.min(ownMaxHeight, size); |
| } |
| int newHeightSpec = MeasureSpec.makeMeasureSpec(ownMaxHeight, MeasureSpec.AT_MOST); |
| int width = MeasureSpec.getSize(widthMeasureSpec); |
| if (mOverflowNumber != null) { |
| mOverflowNumber.measure(MeasureSpec.makeMeasureSpec(width, MeasureSpec.AT_MOST), |
| newHeightSpec); |
| } |
| int dividerHeightSpec = MeasureSpec.makeMeasureSpec(mDividerHeight, MeasureSpec.EXACTLY); |
| int height = mNotificationHeaderMargin + mNotificatonTopPadding; |
| int childCount = Math.min(mChildren.size(), NUMBER_OF_CHILDREN_WHEN_CHILDREN_EXPANDED); |
| int collapsedChildren = getMaxAllowedVisibleChildren(true /* likeCollapsed */); |
| int overflowIndex = childCount > collapsedChildren ? collapsedChildren - 1 : -1; |
| for (int i = 0; i < childCount; i++) { |
| ExpandableNotificationRow child = mChildren.get(i); |
| // We need to measure all children even the GONE ones, such that the heights are |
| // calculated correctly as they are used to calculate how many we can fit on the screen. |
| boolean isOverflow = i == overflowIndex; |
| child.setSingleLineWidthIndention(isOverflow && mOverflowNumber != null |
| ? mOverflowNumber.getMeasuredWidth() |
| : 0); |
| child.measure(widthMeasureSpec, newHeightSpec); |
| // layout the divider |
| View divider = mDividers.get(i); |
| divider.measure(widthMeasureSpec, dividerHeightSpec); |
| if (child.getVisibility() != GONE) { |
| height += child.getMeasuredHeight() + mDividerHeight; |
| } |
| } |
| mRealHeight = height; |
| if (heightMode != MeasureSpec.UNSPECIFIED) { |
| height = Math.min(height, size); |
| } |
| |
| if (mNotificationHeader != null) { |
| int headerHeightSpec = MeasureSpec.makeMeasureSpec(mHeaderHeight, MeasureSpec.EXACTLY); |
| mNotificationHeader.measure(widthMeasureSpec, headerHeightSpec); |
| } |
| |
| setMeasuredDimension(width, height); |
| } |
| |
| @Override |
| public boolean hasOverlappingRendering() { |
| return false; |
| } |
| |
| @Override |
| public boolean pointInView(float localX, float localY, float slop) { |
| return localX >= -slop && localY >= -slop && localX < ((mRight - mLeft) + slop) && |
| localY < (mRealHeight + slop); |
| } |
| |
| /** |
| * Add a child notification to this view. |
| * |
| * @param row the row to add |
| * @param childIndex the index to add it at, if -1 it will be added at the end |
| */ |
| public void addNotification(ExpandableNotificationRow row, int childIndex) { |
| int newIndex = childIndex < 0 ? mChildren.size() : childIndex; |
| mChildren.add(newIndex, row); |
| addView(row); |
| row.setUserLocked(mUserLocked); |
| |
| View divider = inflateDivider(); |
| addView(divider); |
| mDividers.add(newIndex, divider); |
| |
| updateGroupOverflow(); |
| row.setIconTransformationAmount(0, false /* isLastChild */); |
| } |
| |
| public void removeNotification(ExpandableNotificationRow row) { |
| int childIndex = mChildren.indexOf(row); |
| mChildren.remove(row); |
| removeView(row); |
| |
| final View divider = mDividers.remove(childIndex); |
| removeView(divider); |
| getOverlay().add(divider); |
| CrossFadeHelper.fadeOut(divider, new Runnable() { |
| @Override |
| public void run() { |
| getOverlay().remove(divider); |
| } |
| }); |
| |
| row.setSystemChildExpanded(false); |
| row.setUserLocked(false); |
| updateGroupOverflow(); |
| if (!row.isRemoved()) { |
| mHeaderUtil.restoreNotificationHeader(row); |
| } |
| } |
| |
| /** |
| * @return The number of notification children in the container. |
| */ |
| public int getNotificationChildCount() { |
| return mChildren.size(); |
| } |
| |
| public void recreateNotificationHeader(OnClickListener listener, StatusBarNotification notification) { |
| final Notification.Builder builder = Notification.Builder.recoverBuilder(getContext(), |
| mNotificationParent.getStatusBarNotification().getNotification()); |
| final RemoteViews header = builder.makeNotificationHeader(); |
| if (mNotificationHeader == null) { |
| mNotificationHeader = (NotificationHeaderView) header.apply(getContext(), this); |
| final View expandButton = mNotificationHeader.findViewById( |
| com.android.internal.R.id.expand_button); |
| expandButton.setVisibility(VISIBLE); |
| mNotificationHeader.setOnClickListener(listener); |
| mNotificationHeaderWrapper = NotificationViewWrapper.wrap(getContext(), |
| mNotificationHeader, mNotificationParent); |
| addView(mNotificationHeader, 0); |
| invalidate(); |
| } else { |
| header.reapply(getContext(), mNotificationHeader); |
| mNotificationHeaderWrapper.notifyContentUpdated(notification); |
| } |
| updateChildrenHeaderAppearance(); |
| } |
| |
| public void updateChildrenHeaderAppearance() { |
| mHeaderUtil.updateChildrenHeaderAppearance(); |
| } |
| |
| public void updateGroupOverflow() { |
| int childCount = mChildren.size(); |
| int maxAllowedVisibleChildren = getMaxAllowedVisibleChildren(true /* likeCollapsed */); |
| if (childCount > maxAllowedVisibleChildren) { |
| mOverflowNumber = mHybridGroupManager.bindOverflowNumber( |
| mOverflowNumber, childCount - maxAllowedVisibleChildren); |
| if (mOverflowInvertHelper == null) { |
| mOverflowInvertHelper = new ViewInvertHelper(mOverflowNumber, |
| NotificationPanelView.DOZE_ANIMATION_DURATION); |
| } |
| if (mGroupOverFlowState == null) { |
| mGroupOverFlowState = new ViewState(); |
| mNeverAppliedGroupState = true; |
| } |
| } else if (mOverflowNumber != null) { |
| removeView(mOverflowNumber); |
| if (isShown()) { |
| final View removedOverflowNumber = mOverflowNumber; |
| addTransientView(removedOverflowNumber, getTransientViewCount()); |
| CrossFadeHelper.fadeOut(removedOverflowNumber, new Runnable() { |
| @Override |
| public void run() { |
| removeTransientView(removedOverflowNumber); |
| } |
| }); |
| } |
| mOverflowNumber = null; |
| mOverflowInvertHelper = null; |
| mGroupOverFlowState = null; |
| } |
| } |
| |
| @Override |
| protected void onConfigurationChanged(Configuration newConfig) { |
| super.onConfigurationChanged(newConfig); |
| updateGroupOverflow(); |
| } |
| |
| private View inflateDivider() { |
| return LayoutInflater.from(mContext).inflate( |
| R.layout.notification_children_divider, this, false); |
| } |
| |
| public List<ExpandableNotificationRow> getNotificationChildren() { |
| return mChildren; |
| } |
| |
| /** |
| * Apply the order given in the list to the children. |
| * |
| * @param childOrder the new list order |
| * @return whether the list order has changed |
| */ |
| public boolean applyChildOrder(List<ExpandableNotificationRow> childOrder) { |
| if (childOrder == null) { |
| return false; |
| } |
| boolean result = false; |
| for (int i = 0; i < mChildren.size() && i < childOrder.size(); i++) { |
| ExpandableNotificationRow child = mChildren.get(i); |
| ExpandableNotificationRow desiredChild = childOrder.get(i); |
| if (child != desiredChild) { |
| mChildren.remove(desiredChild); |
| mChildren.add(i, desiredChild); |
| result = true; |
| } |
| } |
| updateExpansionStates(); |
| return result; |
| } |
| |
| private void updateExpansionStates() { |
| if (mChildrenExpanded || mUserLocked) { |
| // we don't modify it the group is expanded or if we are expanding it |
| return; |
| } |
| int size = mChildren.size(); |
| for (int i = 0; i < size; i++) { |
| ExpandableNotificationRow child = mChildren.get(i); |
| child.setSystemChildExpanded(i == 0 && size == 1); |
| } |
| } |
| |
| /** |
| * |
| * @return the intrinsic size of this children container, i.e the natural fully expanded state |
| */ |
| public int getIntrinsicHeight() { |
| int maxAllowedVisibleChildren = getMaxAllowedVisibleChildren(); |
| return getIntrinsicHeight(maxAllowedVisibleChildren); |
| } |
| |
| /** |
| * @return the intrinsic height with a number of children given |
| * in @param maxAllowedVisibleChildren |
| */ |
| private int getIntrinsicHeight(float maxAllowedVisibleChildren) { |
| int intrinsicHeight = mNotificationHeaderMargin; |
| int visibleChildren = 0; |
| int childCount = mChildren.size(); |
| boolean firstChild = true; |
| float expandFactor = 0; |
| if (mUserLocked) { |
| expandFactor = getGroupExpandFraction(); |
| } |
| for (int i = 0; i < childCount; i++) { |
| if (visibleChildren >= maxAllowedVisibleChildren) { |
| break; |
| } |
| if (!firstChild) { |
| if (mUserLocked) { |
| intrinsicHeight += NotificationUtils.interpolate(mChildPadding, mDividerHeight, |
| expandFactor); |
| } else { |
| intrinsicHeight += mChildrenExpanded ? mDividerHeight : mChildPadding; |
| } |
| } else { |
| if (mUserLocked) { |
| intrinsicHeight += NotificationUtils.interpolate( |
| 0, |
| mNotificatonTopPadding + mDividerHeight, |
| expandFactor); |
| } else { |
| intrinsicHeight += mChildrenExpanded |
| ? mNotificatonTopPadding + mDividerHeight |
| : 0; |
| } |
| firstChild = false; |
| } |
| ExpandableNotificationRow child = mChildren.get(i); |
| intrinsicHeight += child.getIntrinsicHeight(); |
| visibleChildren++; |
| } |
| if (mUserLocked) { |
| intrinsicHeight += NotificationUtils.interpolate(mCollapsedBottompadding, 0.0f, |
| expandFactor); |
| } else if (!mChildrenExpanded) { |
| intrinsicHeight += mCollapsedBottompadding; |
| } |
| return intrinsicHeight; |
| } |
| |
| /** |
| * Update the state of all its children based on a linear layout algorithm. |
| * |
| * @param resultState the state to update |
| * @param parentState the state of the parent |
| */ |
| public void getState(StackScrollState resultState, ExpandableViewState parentState) { |
| int childCount = mChildren.size(); |
| int yPosition = mNotificationHeaderMargin; |
| boolean firstChild = true; |
| int maxAllowedVisibleChildren = getMaxAllowedVisibleChildren(); |
| int lastVisibleIndex = maxAllowedVisibleChildren - 1; |
| int firstOverflowIndex = lastVisibleIndex + 1; |
| float expandFactor = 0; |
| if (mUserLocked) { |
| expandFactor = getGroupExpandFraction(); |
| firstOverflowIndex = getMaxAllowedVisibleChildren(true /* likeCollapsed */); |
| } |
| |
| boolean childrenExpanded = !mNotificationParent.isGroupExpansionChanging() |
| && mChildrenExpanded; |
| for (int i = 0; i < childCount; i++) { |
| ExpandableNotificationRow child = mChildren.get(i); |
| if (!firstChild) { |
| if (mUserLocked) { |
| yPosition += NotificationUtils.interpolate(mChildPadding, mDividerHeight, |
| expandFactor); |
| } else { |
| yPosition += mChildrenExpanded ? mDividerHeight : mChildPadding; |
| } |
| } else { |
| if (mUserLocked) { |
| yPosition += NotificationUtils.interpolate( |
| 0, |
| mNotificatonTopPadding + mDividerHeight, |
| expandFactor); |
| } else { |
| yPosition += mChildrenExpanded ? mNotificatonTopPadding + mDividerHeight : 0; |
| } |
| firstChild = false; |
| } |
| |
| ExpandableViewState childState = resultState.getViewStateForView(child); |
| int intrinsicHeight = child.getIntrinsicHeight(); |
| childState.height = intrinsicHeight; |
| childState.yTranslation = yPosition; |
| childState.hidden = false; |
| // When the group is expanded, the children cast the shadows rather than the parent |
| // so use the parent's elevation here. |
| childState.zTranslation = childrenExpanded |
| ? mNotificationParent.getTranslationZ() |
| : 0; |
| childState.dimmed = parentState.dimmed; |
| childState.dark = parentState.dark; |
| childState.hideSensitive = parentState.hideSensitive; |
| childState.belowSpeedBump = parentState.belowSpeedBump; |
| childState.clipTopAmount = 0; |
| childState.alpha = 0; |
| if (i < firstOverflowIndex) { |
| childState.alpha = 1; |
| } else if (expandFactor == 1.0f && i <= lastVisibleIndex) { |
| childState.alpha = (mActualHeight - childState.yTranslation) / childState.height; |
| childState.alpha = Math.max(0.0f, Math.min(1.0f, childState.alpha)); |
| } |
| childState.location = parentState.location; |
| yPosition += intrinsicHeight; |
| } |
| if (mOverflowNumber != null) { |
| ExpandableNotificationRow overflowView = mChildren.get(Math.min( |
| getMaxAllowedVisibleChildren(true /* likeCollpased */), childCount) - 1); |
| mGroupOverFlowState.copyFrom(resultState.getViewStateForView(overflowView)); |
| if (!mChildrenExpanded) { |
| if (mUserLocked) { |
| HybridNotificationView singleLineView = overflowView.getSingleLineView(); |
| View mirrorView = singleLineView.getTextView(); |
| if (mirrorView.getVisibility() == GONE) { |
| mirrorView = singleLineView.getTitleView(); |
| } |
| if (mirrorView.getVisibility() == GONE) { |
| mirrorView = singleLineView; |
| } |
| mGroupOverFlowState.yTranslation += NotificationUtils.getRelativeYOffset( |
| mirrorView, overflowView); |
| mGroupOverFlowState.alpha = mirrorView.getAlpha(); |
| } |
| } else { |
| mGroupOverFlowState.yTranslation += mNotificationHeaderMargin; |
| mGroupOverFlowState.alpha = 0.0f; |
| } |
| } |
| if (mNotificationHeader != null) { |
| if (mHeaderViewState == null) { |
| mHeaderViewState = new ViewState(); |
| } |
| mHeaderViewState.initFrom(mNotificationHeader); |
| mHeaderViewState.zTranslation = childrenExpanded |
| ? mNotificationParent.getTranslationZ() |
| : 0; |
| } |
| } |
| |
| /** |
| * When moving into the bottom stack, the bottom visible child in an expanded group adjusts its |
| * height, children in the group after this are gone. |
| * |
| * @param child the child who's height to adjust. |
| * @param parentHeight the height of the parent. |
| * @param childState the state to update. |
| * @param yPosition the yPosition of the view. |
| * @return true if children after this one should be hidden. |
| */ |
| private boolean updateChildStateForExpandedGroup(ExpandableNotificationRow child, |
| int parentHeight, ExpandableViewState childState, int yPosition) { |
| final int top = yPosition + child.getClipTopAmount(); |
| final int intrinsicHeight = child.getIntrinsicHeight(); |
| final int bottom = top + intrinsicHeight; |
| int newHeight = intrinsicHeight; |
| if (bottom >= parentHeight) { |
| // Child is either clipped or gone |
| newHeight = Math.max((parentHeight - top), 0); |
| } |
| childState.hidden = newHeight == 0; |
| childState.height = newHeight; |
| return childState.height != intrinsicHeight && !childState.hidden; |
| } |
| |
| private int getMaxAllowedVisibleChildren() { |
| return getMaxAllowedVisibleChildren(false /* likeCollapsed */); |
| } |
| |
| private int getMaxAllowedVisibleChildren(boolean likeCollapsed) { |
| if (!likeCollapsed && (mChildrenExpanded || mNotificationParent.isUserLocked())) { |
| return NUMBER_OF_CHILDREN_WHEN_CHILDREN_EXPANDED; |
| } |
| if (!mNotificationParent.isOnKeyguard() |
| && (mNotificationParent.isExpanded() || mNotificationParent.isHeadsUp())) { |
| return NUMBER_OF_CHILDREN_WHEN_SYSTEM_EXPANDED; |
| } |
| return NUMBER_OF_CHILDREN_WHEN_COLLAPSED; |
| } |
| |
| public void applyState(StackScrollState state) { |
| int childCount = mChildren.size(); |
| ViewState tmpState = new ViewState(); |
| float expandFraction = 0.0f; |
| if (mUserLocked) { |
| expandFraction = getGroupExpandFraction(); |
| } |
| final boolean dividersVisible = mUserLocked |
| || mNotificationParent.isGroupExpansionChanging(); |
| for (int i = 0; i < childCount; i++) { |
| ExpandableNotificationRow child = mChildren.get(i); |
| ExpandableViewState viewState = state.getViewStateForView(child); |
| viewState.applyToView(child); |
| |
| // layout the divider |
| View divider = mDividers.get(i); |
| tmpState.initFrom(divider); |
| tmpState.yTranslation = viewState.yTranslation - mDividerHeight; |
| float alpha = mChildrenExpanded && viewState.alpha != 0 ? 0.5f : 0; |
| if (mUserLocked && viewState.alpha != 0) { |
| alpha = NotificationUtils.interpolate(0, 0.5f, |
| Math.min(viewState.alpha, expandFraction)); |
| } |
| tmpState.hidden = !dividersVisible; |
| tmpState.alpha = alpha; |
| tmpState.applyToView(divider); |
| // There is no fake shadow to be drawn on the children |
| child.setFakeShadowIntensity(0.0f, 0.0f, 0, 0); |
| } |
| if (mGroupOverFlowState != null) { |
| mGroupOverFlowState.applyToView(mOverflowNumber); |
| mNeverAppliedGroupState = false; |
| } |
| if (mHeaderViewState != null) { |
| mHeaderViewState.applyToView(mNotificationHeader); |
| } |
| updateChildrenClipping(); |
| } |
| |
| private void updateChildrenClipping() { |
| int childCount = mChildren.size(); |
| int layoutEnd = mNotificationParent.getActualHeight() - mClipBottomAmount; |
| for (int i = 0; i < childCount; i++) { |
| ExpandableNotificationRow child = mChildren.get(i); |
| if (child.getVisibility() == GONE) { |
| continue; |
| } |
| float childTop = child.getTranslationY(); |
| float childBottom = childTop + child.getActualHeight(); |
| boolean visible = true; |
| int clipBottomAmount = 0; |
| if (childTop > layoutEnd) { |
| visible = false; |
| } else if (childBottom > layoutEnd) { |
| clipBottomAmount = (int) (childBottom - layoutEnd); |
| } |
| |
| boolean isVisible = child.getVisibility() == VISIBLE; |
| if (visible != isVisible) { |
| child.setVisibility(visible ? VISIBLE : INVISIBLE); |
| } |
| |
| child.setClipBottomAmount(clipBottomAmount); |
| } |
| } |
| |
| /** |
| * This is called when the children expansion has changed and positions the children properly |
| * for an appear animation. |
| * |
| * @param state the new state we animate to |
| */ |
| public void prepareExpansionChanged(StackScrollState state) { |
| // TODO: do something that makes sense, like placing the invisible views correctly |
| return; |
| } |
| |
| public void startAnimationToState(StackScrollState state, AnimationProperties properties) { |
| int childCount = mChildren.size(); |
| ViewState tmpState = new ViewState(); |
| float expandFraction = getGroupExpandFraction(); |
| final boolean dividersVisible = mUserLocked |
| || mNotificationParent.isGroupExpansionChanging(); |
| for (int i = childCount - 1; i >= 0; i--) { |
| ExpandableNotificationRow child = mChildren.get(i); |
| ExpandableViewState viewState = state.getViewStateForView(child); |
| viewState.animateTo(child, properties); |
| |
| // layout the divider |
| View divider = mDividers.get(i); |
| tmpState.initFrom(divider); |
| tmpState.yTranslation = viewState.yTranslation - mDividerHeight; |
| float alpha = mChildrenExpanded && viewState.alpha != 0 ? 0.5f : 0; |
| if (mUserLocked && viewState.alpha != 0) { |
| alpha = NotificationUtils.interpolate(0, 0.5f, |
| Math.min(viewState.alpha, expandFraction)); |
| } |
| tmpState.hidden = !dividersVisible; |
| tmpState.alpha = alpha; |
| tmpState.animateTo(divider, properties); |
| // There is no fake shadow to be drawn on the children |
| child.setFakeShadowIntensity(0.0f, 0.0f, 0, 0); |
| } |
| if (mOverflowNumber != null) { |
| if (mNeverAppliedGroupState) { |
| float alpha = mGroupOverFlowState.alpha; |
| mGroupOverFlowState.alpha = 0; |
| mGroupOverFlowState.applyToView(mOverflowNumber); |
| mGroupOverFlowState.alpha = alpha; |
| mNeverAppliedGroupState = false; |
| } |
| mGroupOverFlowState.animateTo(mOverflowNumber, properties); |
| } |
| if (mNotificationHeader != null) { |
| mHeaderViewState.applyToView(mNotificationHeader); |
| } |
| updateChildrenClipping(); |
| } |
| |
| public ExpandableNotificationRow getViewAtPosition(float y) { |
| // find the view under the pointer, accounting for GONE views |
| final int count = mChildren.size(); |
| for (int childIdx = 0; childIdx < count; childIdx++) { |
| ExpandableNotificationRow slidingChild = mChildren.get(childIdx); |
| float childTop = slidingChild.getTranslationY(); |
| float top = childTop + slidingChild.getClipTopAmount(); |
| float bottom = childTop + slidingChild.getActualHeight(); |
| if (y >= top && y <= bottom) { |
| return slidingChild; |
| } |
| } |
| return null; |
| } |
| |
| public void setChildrenExpanded(boolean childrenExpanded) { |
| mChildrenExpanded = childrenExpanded; |
| updateExpansionStates(); |
| if (mNotificationHeader != null) { |
| mNotificationHeader.setExpanded(childrenExpanded); |
| } |
| final int count = mChildren.size(); |
| for (int childIdx = 0; childIdx < count; childIdx++) { |
| ExpandableNotificationRow child = mChildren.get(childIdx); |
| child.setChildrenExpanded(childrenExpanded, false); |
| } |
| } |
| |
| public void setNotificationParent(ExpandableNotificationRow parent) { |
| mNotificationParent = parent; |
| mHeaderUtil = new NotificationHeaderUtil(mNotificationParent); |
| } |
| |
| public ExpandableNotificationRow getNotificationParent() { |
| return mNotificationParent; |
| } |
| |
| public NotificationHeaderView getHeaderView() { |
| return mNotificationHeader; |
| } |
| |
| public void updateHeaderVisibility(int visiblity) { |
| if (mNotificationHeader != null) { |
| mNotificationHeader.setVisibility(visiblity); |
| } |
| } |
| |
| /** |
| * Called when a groups expansion changes to adjust the background of the header view. |
| * |
| * @param expanded whether the group is expanded. |
| */ |
| public void updateHeaderForExpansion(boolean expanded) { |
| if (mNotificationHeader != null) { |
| if (expanded) { |
| ColorDrawable cd = new ColorDrawable(); |
| cd.setColor(mNotificationParent.calculateBgColor()); |
| mNotificationHeader.setHeaderBackgroundDrawable(cd); |
| } else { |
| mNotificationHeader.setHeaderBackgroundDrawable(null); |
| } |
| } |
| } |
| |
| public int getMaxContentHeight() { |
| int maxContentHeight = mNotificationHeaderMargin + mNotificatonTopPadding; |
| int visibleChildren = 0; |
| int childCount = mChildren.size(); |
| for (int i = 0; i < childCount; i++) { |
| if (visibleChildren >= NUMBER_OF_CHILDREN_WHEN_CHILDREN_EXPANDED) { |
| break; |
| } |
| ExpandableNotificationRow child = mChildren.get(i); |
| float childHeight = child.isExpanded(true /* allowOnKeyguard */) |
| ? child.getMaxExpandHeight() |
| : child.getShowingLayout().getMinHeight(true /* likeGroupExpanded */); |
| maxContentHeight += childHeight; |
| visibleChildren++; |
| } |
| if (visibleChildren > 0) { |
| maxContentHeight += visibleChildren * mDividerHeight; |
| } |
| return maxContentHeight; |
| } |
| |
| public void setActualHeight(int actualHeight) { |
| if (!mUserLocked) { |
| return; |
| } |
| mActualHeight = actualHeight; |
| float fraction = getGroupExpandFraction(); |
| int maxAllowedVisibleChildren = getMaxAllowedVisibleChildren(true /* forceCollapsed */); |
| int childCount = mChildren.size(); |
| for (int i = 0; i < childCount; i++) { |
| ExpandableNotificationRow child = mChildren.get(i); |
| float childHeight = child.isExpanded(true /* allowOnKeyguard */) |
| ? child.getMaxExpandHeight() |
| : child.getShowingLayout().getMinHeight(true /* likeGroupExpanded */); |
| if (i < maxAllowedVisibleChildren) { |
| float singleLineHeight = child.getShowingLayout().getMinHeight( |
| false /* likeGroupExpanded */); |
| child.setActualHeight((int) NotificationUtils.interpolate(singleLineHeight, |
| childHeight, fraction), false); |
| } else { |
| child.setActualHeight((int) childHeight, false); |
| } |
| } |
| } |
| |
| public float getGroupExpandFraction() { |
| int visibleChildrenExpandedHeight = getVisibleChildrenExpandHeight(); |
| int minExpandHeight = getCollapsedHeight(); |
| float factor = (mActualHeight - minExpandHeight) |
| / (float) (visibleChildrenExpandedHeight - minExpandHeight); |
| return Math.max(0.0f, Math.min(1.0f, factor)); |
| } |
| |
| private int getVisibleChildrenExpandHeight() { |
| int intrinsicHeight = mNotificationHeaderMargin + mNotificatonTopPadding + mDividerHeight; |
| int visibleChildren = 0; |
| int childCount = mChildren.size(); |
| int maxAllowedVisibleChildren = getMaxAllowedVisibleChildren(true /* forceCollapsed */); |
| for (int i = 0; i < childCount; i++) { |
| if (visibleChildren >= maxAllowedVisibleChildren) { |
| break; |
| } |
| ExpandableNotificationRow child = mChildren.get(i); |
| float childHeight = child.isExpanded(true /* allowOnKeyguard */) |
| ? child.getMaxExpandHeight() |
| : child.getShowingLayout().getMinHeight(true /* likeGroupExpanded */); |
| intrinsicHeight += childHeight; |
| visibleChildren++; |
| } |
| return intrinsicHeight; |
| } |
| |
| public int getMinHeight() { |
| return getMinHeight(NUMBER_OF_CHILDREN_WHEN_COLLAPSED); |
| } |
| |
| public int getCollapsedHeight() { |
| return getMinHeight(getMaxAllowedVisibleChildren(true /* forceCollapsed */)); |
| } |
| |
| private int getMinHeight(int maxAllowedVisibleChildren) { |
| int minExpandHeight = mNotificationHeaderMargin; |
| int visibleChildren = 0; |
| boolean firstChild = true; |
| int childCount = mChildren.size(); |
| for (int i = 0; i < childCount; i++) { |
| if (visibleChildren >= maxAllowedVisibleChildren) { |
| break; |
| } |
| if (!firstChild) { |
| minExpandHeight += mChildPadding; |
| } else { |
| firstChild = false; |
| } |
| ExpandableNotificationRow child = mChildren.get(i); |
| minExpandHeight += child.getSingleLineView().getHeight(); |
| visibleChildren++; |
| } |
| minExpandHeight += mCollapsedBottompadding; |
| return minExpandHeight; |
| } |
| |
| public void setDark(boolean dark, boolean fade, long delay) { |
| if (mOverflowNumber != null) { |
| mOverflowInvertHelper.setInverted(dark, fade, delay); |
| } |
| mNotificationHeaderWrapper.setDark(dark, fade, delay); |
| } |
| |
| public void reInflateViews(OnClickListener listener, StatusBarNotification notification) { |
| removeView(mNotificationHeader); |
| mNotificationHeader = null; |
| recreateNotificationHeader(listener, notification); |
| initDimens(); |
| for (int i = 0; i < mDividers.size(); i++) { |
| View prevDivider = mDividers.get(i); |
| int index = indexOfChild(prevDivider); |
| removeView(prevDivider); |
| View divider = inflateDivider(); |
| addView(divider, index); |
| mDividers.set(i, divider); |
| } |
| removeView(mOverflowNumber); |
| mOverflowNumber = null; |
| mOverflowInvertHelper = null; |
| mGroupOverFlowState = null; |
| updateGroupOverflow(); |
| } |
| |
| public void setUserLocked(boolean userLocked) { |
| mUserLocked = userLocked; |
| int childCount = mChildren.size(); |
| for (int i = 0; i < childCount; i++) { |
| ExpandableNotificationRow child = mChildren.get(i); |
| child.setUserLocked(userLocked); |
| } |
| } |
| |
| public void onNotificationUpdated() { |
| mHybridGroupManager.setOverflowNumberColor(mOverflowNumber, |
| mNotificationParent.getNotificationColor()); |
| } |
| |
| public int getPositionInLinearLayout(View childInGroup) { |
| int position = mNotificationHeaderMargin + mNotificatonTopPadding; |
| |
| for (int i = 0; i < mChildren.size(); i++) { |
| ExpandableNotificationRow child = mChildren.get(i); |
| boolean notGone = child.getVisibility() != View.GONE; |
| if (notGone) { |
| position += mDividerHeight; |
| } |
| if (child == childInGroup) { |
| return position; |
| } |
| if (notGone) { |
| position += child.getIntrinsicHeight(); |
| } |
| } |
| return 0; |
| } |
| |
| public void setIconsVisible(boolean iconsVisible) { |
| if (mNotificationHeaderWrapper != null) { |
| NotificationHeaderView header = mNotificationHeaderWrapper.getNotificationHeader(); |
| if (header != null) { |
| header.getIcon().setForceHidden(!iconsVisible); |
| } |
| } |
| } |
| |
| public void setClipBottomAmount(int clipBottomAmount) { |
| mClipBottomAmount = clipBottomAmount; |
| updateChildrenClipping(); |
| } |
| } |
