felixfoertsch/bundesmessenger-ios
1
0
Fork 0
mirror of https://gitlab.opencode.de/bwi/bundesmessenger/clients/bundesmessenger-ios.git synced 2026-05-01 05:36:57 +02:00
Code Issues Packages Projects Releases Wiki Activity

Chat Screen: Expanded header

Browse Source 
Use a swipe gesture recognizer to hide the header.
Remove the UIScrollView use
This commit is contained in:
giomfo
2016-04-20 09:52:49 +02:00
parent 93f73d5c2b
commit a0f3ee1643
3 changed files with 30 additions and 68 deletions
Download Patch File Download Diff File Expand all files Collapse all files
Vector/ViewController/RoomViewController.m
+22 -42
View File
@@ -71,9 +71,6 @@
// The preview header
PreviewRoomTitleView *previewHeader;
// The content offset at the beginning of header scrolling
CGFloat beginDraggingHeaderContentOffset;
// The customized room data source for Vector
RoomDataSource *customizedRoomDataSource;
@@ -210,6 +207,12 @@
[NSLayoutConstraint activateConstraints:@[leftConstraint, rightConstraint, topConstraint, bottomConstraint]];
UISwipeGestureRecognizer *swipe = [[UISwipeGestureRecognizer alloc] initWithTarget:self action:@selector(onSwipeGesture:)];
[swipe setNumberOfTouchesRequired:1];
[swipe setDirection:UISwipeGestureRecognizerDirectionUp];
[self.expandedHeaderContainer addGestureRecognizer:swipe];
// Prepare preview header container
self.previewHeaderContainer.backgroundColor = kVectorColorLightGrey;
@@ -345,7 +348,7 @@
contentInset.bottom = self.bottomLayoutGuide.length;
self.bubblesTableView.contentInset = contentInset;
if (self.expandedHeaderScrollView.isHidden == NO)
if (self.expandedHeaderContainer.isHidden == NO)
{
// Adjust the top constraint of the bubbles table
self.bubblesTableViewTopConstraint.constant = self.expandedHeaderContainerHeightConstraint.constant - self.bubblesTableView.contentInset.top;
@@ -621,6 +624,18 @@
}
}
- (void)onSwipeGesture:(UISwipeGestureRecognizer*)swipeGestureRecognizer
{
UIView *view = swipeGestureRecognizer.view;
if (view == self.expandedHeaderContainer)
{
// Hide the expanded header when user swipes upward on expanded header.
// We reset here the property 'showExpandedHeader'. Then the header is not expanded automatically on viewWillAppear.
self.showExpandedHeader = NO;
}
}
#pragma mark - Hide/Show expanded header
- (void)showExpandedHeader:(BOOL)isVisible
@@ -632,9 +647,9 @@
// - if the room data source does not manage a live timeline.
// - if the user's membership is not 'join'.
// - if the view controller is not embedded inside a split view controller yet.
if (self.expandedHeaderScrollView.isHidden == isVisible && isSizeTransitionInProgress == NO && self.roomDataSource && self.roomDataSource.isLive && self.roomDataSource.room.state.membership == MXMembershipJoin && self.splitViewController)
if (self.expandedHeaderContainer.isHidden == isVisible && isSizeTransitionInProgress == NO && self.roomDataSource && self.roomDataSource.isLive && self.roomDataSource.room.state.membership == MXMembershipJoin && self.splitViewController)
{
self.expandedHeaderScrollView.hidden = !isVisible;
self.expandedHeaderContainer.hidden = !isVisible;
// Consider the main navigation controller if the current view controller is embedded inside a split view controller.
UINavigationController *mainNavigationController = self.navigationController;
@@ -1445,41 +1460,6 @@
[super tableView:tableView didSelectRowAtIndexPath:indexPath];
}
#pragma mark - UIScrollViewDelegate
- (void)scrollViewWillBeginDragging:(UIScrollView *)scrollView
{
if ([MXKRoomViewController instancesRespondToSelector:@selector(scrollViewWillBeginDragging:)])
{
[super scrollViewWillBeginDragging:scrollView];
}
if (scrollView == self.expandedHeaderScrollView)
{
// Store the current offset to detect scroll down
beginDraggingHeaderContentOffset = scrollView.contentOffset.y;
}
}
- (void)scrollViewWillEndDragging:(UIScrollView *)scrollView withVelocity:(CGPoint)velocity targetContentOffset:(inout CGPoint *)targetContentOffset
{
if ([MXKRoomViewController instancesRespondToSelector:@selector(scrollViewWillEndDragging:withVelocity:targetContentOffset:)])
{
[super scrollViewWillEndDragging:scrollView withVelocity:velocity targetContentOffset:targetContentOffset];
}
if (scrollView == self.expandedHeaderScrollView)
{
// Hide the expanded header on scroll down.
if (beginDraggingHeaderContentOffset < scrollView.contentOffset.y)
{
// We reset here the property 'showExpandedHeader'. Then the header is not expanded automatically on viewWillAppear.
self.showExpandedHeader = NO;
}
}
}
#pragma mark - MXKRoomTitleViewDelegate
- (BOOL)roomTitleViewShouldBeginEditing:(MXKRoomTitleView*)titleView
@@ -1496,7 +1476,7 @@
if (view == titleView.titleMask)
{
if (self.expandedHeaderScrollView.isHidden)
if (self.expandedHeaderContainer.isHidden)
{
// Expand the header
[self showExpandedHeader:YES];