mirror of
https://github.com/oxen-io/session-ios.git
synced 2023-12-13 21:30:14 +01:00
Revise scrolling behavior of messages view.
// FREEBIE
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parent
25232596f6
commit
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@ -167,11 +167,10 @@ CGFloat ScaleFromIPhone5(CGFloat iPhone5Value)
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{
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OWSAssert(self.superview);
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self.frame = CGRectMake(
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round(self.superview.bounds.origin.x + (self.superview.bounds.size.width - self.frame.size.width) * 0.5f),
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round(self.superview.bounds.origin.y + (self.superview.bounds.size.height - self.frame.size.height) * 0.5f),
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self.frame.size.width,
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self.frame.size.height);
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self.frame = CGRectMake(round(self.superview.left + (self.superview.width - self.width) * 0.5f),
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round(self.superview.top + (self.superview.height - self.height) * 0.5f),
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self.width,
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self.height);
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}
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#pragma mark - Debugging
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@ -1302,9 +1302,13 @@ NS_ASSUME_NONNULL_BEGIN
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if (counter < 1) {
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return;
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}
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[ThreadUtil sendMessageWithText:[@(counter) description]
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inThread:thread
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messageSender:messageSender];
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[ThreadUtil
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sendMessageWithText:[[@(counter) description]
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stringByAppendingString:@" Lorem ipsum dolor sit amet, consectetur adipiscing elit. "
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@"Suspendisse rutrum, nulla vitae pretium hendrerit, tellus "
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@"turpis pharetra libero, vitae sodales tortor ante vel sem."]
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inThread:thread
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messageSender:messageSender];
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dispatch_after(dispatch_time(DISPATCH_TIME_NOW, (int64_t) 1.f * NSEC_PER_SEC),
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dispatch_get_main_queue(), ^{
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[self sendTextMessage:counter - 1 thread:thread];
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@ -98,6 +98,8 @@ typedef enum : NSUInteger {
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- (void)didPasteAttachment:(SignalAttachment * _Nullable)attachment;
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- (void)textViewDidChangeSize;
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@end
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#pragma mark -
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@ -146,6 +148,28 @@ typedef enum : NSUInteger {
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[super paste:sender];
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}
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- (void)setFrame:(CGRect)frame
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{
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BOOL didChangeSize = !CGSizeEqualToSize(frame.size, self.frame.size);
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[super setFrame:frame];
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if (didChangeSize) {
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[self.textViewPasteDelegate textViewDidChangeSize];
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}
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}
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- (void)setBounds:(CGRect)bounds
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{
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BOOL didChangeSize = !CGSizeEqualToSize(bounds.size, self.bounds.size);
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[super setBounds:bounds];
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if (didChangeSize) {
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[self.textViewPasteDelegate textViewDidChangeSize];
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}
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}
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@end
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#pragma mark -
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@ -782,6 +806,7 @@ typedef enum : NSUInteger {
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self.senderId = ME_MESSAGE_IDENTIFIER;
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self.senderDisplayName = ME_MESSAGE_IDENTIFIER;
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self.automaticallyScrollsToMostRecentMessage = NO;
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[self initializeToolbars];
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@ -935,14 +960,6 @@ typedef enum : NSUInteger {
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[self setBarButtonItemsForDisappearingMessagesConfiguration:configuration];
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[self setNavigationTitle];
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NSInteger numberOfMessages = (NSInteger)[self.messageMappings numberOfItemsInGroup:self.thread.uniqueId];
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if (numberOfMessages > 0) {
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NSIndexPath *lastCellIndexPath = [NSIndexPath indexPathForRow:numberOfMessages - 1 inSection:0];
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[self.collectionView scrollToItemAtIndexPath:lastCellIndexPath
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atScrollPosition:UICollectionViewScrollPositionBottom
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animated:NO];
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}
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// Other views might change these custom menu items, so we
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// need to set them every time we enter this view.
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SEL saveSelector = NSSelectorFromString(@"save:");
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@ -961,6 +978,35 @@ typedef enum : NSUInteger {
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[self resetContentAndLayout];
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[((OWSMessagesToolbarContentView *)self.inputToolbar.contentView)ensureSubviews];
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[self scrollToDefaultPosition];
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[self.collectionView.collectionViewLayout
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invalidateLayoutWithContext:[JSQMessagesCollectionViewFlowLayoutInvalidationContext context]];
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}
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- (NSIndexPath *_Nullable)indexPathOfUnreadMessagesIndicator
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{
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int numberOfMessages = (int)[self.messageMappings numberOfItemsInGroup:self.thread.uniqueId];
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for (int i = 0; i < numberOfMessages; i++) {
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NSIndexPath *indexPath = [NSIndexPath indexPathForRow:i inSection:0];
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id<OWSMessageData> message = [self messageAtIndexPath:indexPath];
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if (message.messageType == TSUnreadIndicatorAdapter) {
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return indexPath;
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}
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}
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return nil;
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}
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- (void)scrollToDefaultPosition
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{
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NSIndexPath *_Nullable indexPath = [self indexPathOfUnreadMessagesIndicator];
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if (indexPath) {
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[self.collectionView scrollToItemAtIndexPath:indexPath
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atScrollPosition:UICollectionViewScrollPositionTop
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animated:NO];
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} else {
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[self scrollToBottomAnimated:NO];
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}
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}
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- (void)resetContentAndLayout
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@ -3022,11 +3068,7 @@ typedef enum : NSUInteger {
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return;
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}
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const CGFloat kIsAtBottomTolerancePts = 5;
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BOOL wasAtBottom = (self.collectionView.contentOffset.y +
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self.collectionView.bounds.size.height +
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kIsAtBottomTolerancePts >=
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self.collectionView.contentSize.height);
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BOOL wasAtBottom = [self isScrolledToBottom];
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// We want sending messages to feel snappy. So, if the only
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// update is a new outgoing message AND we're already scrolled to
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// the bottom of the conversation, skip the scroll animation.
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@ -3052,11 +3094,11 @@ typedef enum : NSUInteger {
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}
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case YapDatabaseViewChangeInsert: {
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[self.collectionView insertItemsAtIndexPaths:@[ rowChange.newIndexPath ]];
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scrollToBottom = YES;
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TSInteraction *interaction = [self interactionAtIndexPath:rowChange.newIndexPath];
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if (![interaction isKindOfClass:[TSOutgoingMessage class]]) {
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shouldAnimateScrollToBottom = YES;
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if ([interaction isKindOfClass:[TSOutgoingMessage class]]) {
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scrollToBottom = YES;
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shouldAnimateScrollToBottom = NO;
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}
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break;
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}
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@ -3088,6 +3130,13 @@ typedef enum : NSUInteger {
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}];
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}
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- (BOOL)isScrolledToBottom
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{
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const CGFloat kIsAtBottomTolerancePts = 5;
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return (self.collectionView.contentOffset.y + self.collectionView.bounds.size.height + kIsAtBottomTolerancePts
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>= self.collectionView.contentSize.height);
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}
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#pragma mark - UICollectionView DataSource
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- (NSInteger)collectionView:(UICollectionView *)collectionView numberOfItemsInSection:(NSInteger)section {
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@ -3608,6 +3657,18 @@ typedef enum : NSUInteger {
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completion:nil];
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}
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- (void)textViewDidChangeSize
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{
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OWSAssert([NSThread isMainThread]);
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BOOL wasAtBottom = [self isScrolledToBottom];
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if (wasAtBottom) {
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dispatch_async(dispatch_get_main_queue(), ^{
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[self scrollToBottomAnimated:NO];
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});
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}
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}
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#pragma mark - OWSMessagesToolbarContentDelegate
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- (void)voiceMemoGestureDidStart
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