mirror of
https://github.com/Swiftgram/Telegram-iOS.git
synced 2025-12-22 22:25:57 +00:00
Build ChatListUI
This commit is contained in:
Ali
@@ -0,0 +1,366 @@
|
||||
#import "TGPhotoEditorCollectionView.h"
|
||||
|
||||
#import "LegacyComponentsInternal.h"
|
||||
|
||||
#import "PGPhotoFilter.h"
|
||||
|
||||
#import "TGPhotoFilterCell.h"
|
||||
#import "TGPhotoToolCell.h"
|
||||
|
||||
#import "TGPhotoEditorSliderView.h"
|
||||
|
||||
const CGPoint TGPhotoEditorEdgeScrollTriggerOffset = { 100, 150 };
|
||||
|
||||
@interface TGPhotoEditorCollectionView () <UICollectionViewDelegateFlowLayout, UIGestureRecognizerDelegate>
|
||||
{
|
||||
NSIndexPath *_selectedItemIndexPath;
|
||||
UICollectionViewFlowLayout *_layout;
|
||||
|
||||
bool _landscape;
|
||||
CGFloat _nameWidth;
|
||||
}
|
||||
|
||||
@property (nonatomic, weak) id<UICollectionViewDelegate> realDelegate;
|
||||
|
||||
@end
|
||||
|
||||
@implementation TGPhotoEditorCollectionView
|
||||
|
||||
- (instancetype)initWithLandscape:(bool)landscape nameWidth:(CGFloat)nameWidth
|
||||
{
|
||||
UICollectionViewFlowLayout *layout = [UICollectionViewFlowLayout new];
|
||||
layout.minimumLineSpacing = 6.0f;
|
||||
layout.scrollDirection = UICollectionViewScrollDirectionVertical;
|
||||
|
||||
self = [super initWithFrame:CGRectZero collectionViewLayout:layout];
|
||||
if (self != nil)
|
||||
{
|
||||
_layout = layout;
|
||||
_landscape = landscape;
|
||||
_nameWidth = nameWidth;
|
||||
self.dataSource = self;
|
||||
self.delegate = self;
|
||||
self.showsHorizontalScrollIndicator = false;
|
||||
self.showsVerticalScrollIndicator = false;
|
||||
|
||||
[self registerClass:[TGPhotoFilterCell class] forCellWithReuseIdentifier:TGPhotoFilterCellKind];
|
||||
[self registerClass:[TGPhotoToolCell class] forCellWithReuseIdentifier:TGPhotoToolCellKind];
|
||||
}
|
||||
return self;
|
||||
}
|
||||
|
||||
- (BOOL)touchesShouldCancelInContentView:(UIView *)view
|
||||
{
|
||||
if ([view isKindOfClass:[TGPhotoEditorSliderView class]] && !((TGPhotoEditorSliderView *)view).knobStartedDragging)
|
||||
return true;
|
||||
|
||||
return [super touchesShouldCancelInContentView:view];
|
||||
}
|
||||
|
||||
- (void)dealloc
|
||||
{
|
||||
self.dataSource = nil;
|
||||
self.delegate = nil;
|
||||
}
|
||||
|
||||
- (bool)hasAnyTracking
|
||||
{
|
||||
if (self.isTracking)
|
||||
return true;
|
||||
|
||||
for (UICollectionViewCell *cell in self.visibleCells)
|
||||
{
|
||||
if ([cell isKindOfClass:[TGPhotoToolCell class]] && [(TGPhotoToolCell *)cell isTracking])
|
||||
return true;
|
||||
}
|
||||
|
||||
return false;
|
||||
}
|
||||
|
||||
- (void)setDelegate:(id<UICollectionViewDelegate>)delegate
|
||||
{
|
||||
if (delegate == nil)
|
||||
{
|
||||
[super setDelegate:nil];
|
||||
self.realDelegate = nil;
|
||||
}
|
||||
else
|
||||
{
|
||||
[super setDelegate:self];
|
||||
if (delegate != self)
|
||||
self.realDelegate = delegate;
|
||||
}
|
||||
}
|
||||
|
||||
- (void)setMinimumLineSpacing:(CGFloat)minimumLineSpacing
|
||||
{
|
||||
[(UICollectionViewFlowLayout *)self.collectionViewLayout setMinimumLineSpacing:minimumLineSpacing];
|
||||
[self.collectionViewLayout invalidateLayout];
|
||||
}
|
||||
|
||||
- (void)setMinimumInteritemSpacing:(CGFloat)minimumInteritemSpacing
|
||||
{
|
||||
[(UICollectionViewFlowLayout *)self.collectionViewLayout setMinimumInteritemSpacing:minimumInteritemSpacing];
|
||||
[self.collectionViewLayout invalidateLayout];
|
||||
}
|
||||
|
||||
- (void)setSelectedItemIndexPath:(NSIndexPath *)indexPath
|
||||
{
|
||||
NSArray *visibleItemsIndexPathes = self.indexPathsForVisibleItems;
|
||||
for (NSIndexPath *i in visibleItemsIndexPathes)
|
||||
{
|
||||
UICollectionViewCell *cell = [self cellForItemAtIndexPath:i];
|
||||
if ([cell isKindOfClass:[TGPhotoFilterCell class]])
|
||||
[(TGPhotoFilterCell *)cell setFilterSelected:[i isEqual:indexPath]];
|
||||
}
|
||||
}
|
||||
|
||||
- (void)selectItemAtIndexPath:(NSIndexPath *)indexPath animated:(BOOL)animated scrollPosition:(UICollectionViewScrollPosition)scrollPosition
|
||||
{
|
||||
_selectedItemIndexPath = indexPath;
|
||||
[super selectItemAtIndexPath:indexPath animated:animated scrollPosition:scrollPosition];
|
||||
|
||||
[self setSelectedItemIndexPath:indexPath];
|
||||
}
|
||||
|
||||
- (void)reloadData
|
||||
{
|
||||
[super reloadData];
|
||||
|
||||
if (_selectedItemIndexPath != nil)
|
||||
[self selectItemAtIndexPath:_selectedItemIndexPath animated:false scrollPosition:UICollectionViewScrollPositionNone];
|
||||
}
|
||||
|
||||
#pragma mark - Collection View Data Source & Delegate
|
||||
|
||||
- (CGSize)collectionView:(UICollectionView *)collectionView layout:(UICollectionViewLayout *)__unused collectionViewLayout sizeForItemAtIndexPath:(NSIndexPath *)__unused indexPath
|
||||
{
|
||||
return CGSizeMake(collectionView.frame.size.width, 46.0f);
|
||||
}
|
||||
|
||||
- (NSInteger)collectionView:(UICollectionView *)__unused collectionView numberOfItemsInSection:(NSInteger)__unused section
|
||||
{
|
||||
id <TGPhotoEditorCollectionViewFiltersDataSource> filtersDataSource = self.filtersDataSource;
|
||||
id <TGPhotoEditorCollectionViewToolsDataSource> toolsDataSource = self.toolsDataSource;
|
||||
|
||||
if ([filtersDataSource respondsToSelector:@selector(numberOfFiltersInCollectionView:)])
|
||||
return [filtersDataSource numberOfFiltersInCollectionView:self];
|
||||
else if ([toolsDataSource respondsToSelector:@selector(numberOfToolsInCollectionView:)])
|
||||
return [toolsDataSource numberOfToolsInCollectionView:self];
|
||||
|
||||
return 0;
|
||||
}
|
||||
|
||||
- (UICollectionViewCell *)collectionView:(UICollectionView *)__unused collectionView cellForItemAtIndexPath:(NSIndexPath *)indexPath
|
||||
{
|
||||
id<TGPhotoEditorCollectionViewFiltersDataSource> filtersDataSource = self.filtersDataSource;
|
||||
id<TGPhotoEditorCollectionViewToolsDataSource> toolsDataSource = self.toolsDataSource;
|
||||
|
||||
UICollectionViewCell *cell = nil;
|
||||
|
||||
if ([filtersDataSource respondsToSelector:@selector(collectionView:filterAtIndex:)])
|
||||
{
|
||||
PGPhotoFilter *filter = [filtersDataSource collectionView:self filterAtIndex:indexPath.row];
|
||||
|
||||
cell = [self dequeueReusableCellWithReuseIdentifier:TGPhotoFilterCellKind forIndexPath:indexPath];
|
||||
[(TGPhotoFilterCell *)cell setPhotoFilter:filter];
|
||||
[(TGPhotoFilterCell *)cell setFilterSelected:[_selectedItemIndexPath isEqual:indexPath]];
|
||||
|
||||
[filtersDataSource collectionView:self requestThumbnailImageForFilterAtIndex:indexPath.row completion:^(UIImage *thumbnailImage, bool cached, __unused bool finished)
|
||||
{
|
||||
TGDispatchOnMainThread(^
|
||||
{
|
||||
if ([[(TGPhotoFilterCell *)cell filterIdentifier] isEqualToString:filter.identifier])
|
||||
[(TGPhotoFilterCell *)cell setImage:thumbnailImage animated:!cached];
|
||||
});
|
||||
}];
|
||||
}
|
||||
else if ([toolsDataSource respondsToSelector:@selector(collectionView:toolAtIndex:)])
|
||||
{
|
||||
cell = [self dequeueReusableCellWithReuseIdentifier:TGPhotoToolCellKind forIndexPath:indexPath];
|
||||
cell.alpha = 1.0f;
|
||||
void (^changeBlock)(PGPhotoTool *, id, bool) = [toolsDataSource changeBlockForCollectionView:self];
|
||||
|
||||
__weak TGPhotoEditorCollectionView *weakSelf = self;
|
||||
__weak TGPhotoToolCell *weakCell = (TGPhotoToolCell *)cell;
|
||||
void (^interactionBegan)(void) = ^
|
||||
{
|
||||
__strong TGPhotoEditorCollectionView *strongSelf = weakSelf;
|
||||
if (strongSelf == nil)
|
||||
return;
|
||||
|
||||
if (strongSelf.interactionBegan != nil)
|
||||
strongSelf.interactionBegan();
|
||||
|
||||
__strong TGPhotoToolCell *strongCell = weakCell;
|
||||
if (strongCell != nil)
|
||||
[strongSelf setCellsHidden:true excludeCell:strongCell animated:false];
|
||||
};
|
||||
|
||||
void (^interactionEnded)(void) = ^
|
||||
{
|
||||
__strong TGPhotoEditorCollectionView *strongSelf = weakSelf;
|
||||
if (strongSelf == nil)
|
||||
return;
|
||||
|
||||
if (strongSelf.interactionEnded != nil)
|
||||
strongSelf.interactionEnded();
|
||||
|
||||
__strong TGPhotoToolCell *strongCell = weakCell;
|
||||
if (strongCell != nil)
|
||||
[strongSelf setCellsHidden:false excludeCell:strongCell animated:true];
|
||||
};
|
||||
|
||||
[(TGPhotoToolCell *)cell setPhotoTool:[toolsDataSource collectionView:self toolAtIndex:indexPath.row] landscape:_landscape nameWidth:_nameWidth changeBlock:changeBlock interactionBegan:interactionBegan interactionEnded:interactionEnded];
|
||||
}
|
||||
|
||||
return cell;
|
||||
}
|
||||
|
||||
- (void)setCellsHidden:(bool)hidden excludeCell:(UICollectionViewCell *)excludeCell animated:(bool)animated
|
||||
{
|
||||
void (^block)(void) = ^
|
||||
{
|
||||
for (UICollectionViewCell *cell in self.visibleCells)
|
||||
cell.alpha = (cell == excludeCell || !hidden) ? 1.0f : 0.0f;
|
||||
};
|
||||
|
||||
if (animated)
|
||||
[UIView animateWithDuration:0.15 animations:block];
|
||||
else
|
||||
block();
|
||||
}
|
||||
|
||||
- (void)collectionView:(UICollectionView *)__unused collectionView didSelectItemAtIndexPath:(NSIndexPath *)indexPath
|
||||
{
|
||||
id<TGPhotoEditorCollectionViewFiltersDataSource> filtersDataSource = self.filtersDataSource;
|
||||
|
||||
if ([filtersDataSource respondsToSelector:@selector(collectionView:didSelectFilterWithIndex:)])
|
||||
{
|
||||
bool vertical = false;
|
||||
if (self.frame.size.height > self.frame.size.width)
|
||||
vertical = true;
|
||||
|
||||
CGFloat screenSize = 0;
|
||||
CGFloat contentSize = 0;
|
||||
CGFloat contentOffset = 0;
|
||||
CGFloat itemPosition = 0;
|
||||
CGFloat itemSize = 0;
|
||||
CGFloat targetOverlap = 0;
|
||||
CGFloat startInset = 0;
|
||||
CGFloat endInset = 0;
|
||||
|
||||
CGFloat triggerOffset = 0;
|
||||
|
||||
if (!vertical)
|
||||
{
|
||||
screenSize = self.frame.size.width;
|
||||
contentSize = self.contentSize.width;
|
||||
contentOffset = self.contentOffset.x;
|
||||
itemPosition = [self.collectionViewLayout layoutAttributesForItemAtIndexPath:indexPath].frame.origin.x;
|
||||
itemSize = ((UICollectionViewFlowLayout *)self.collectionViewLayout).itemSize.width;
|
||||
startInset = self.contentInset.left;
|
||||
endInset = self.contentInset.right;
|
||||
triggerOffset = TGPhotoEditorEdgeScrollTriggerOffset.x;
|
||||
targetOverlap = itemSize / 2 + ((UICollectionViewFlowLayout *)self.collectionViewLayout).minimumLineSpacing;
|
||||
}
|
||||
else
|
||||
{
|
||||
screenSize = self.frame.size.height;
|
||||
contentSize = self.contentSize.height;
|
||||
contentOffset = self.contentOffset.y;
|
||||
itemPosition = [self.collectionViewLayout layoutAttributesForItemAtIndexPath:indexPath].frame.origin.y;
|
||||
itemSize = ((UICollectionViewFlowLayout *)self.collectionViewLayout).itemSize.height;
|
||||
startInset = self.contentInset.top;
|
||||
endInset = self.contentInset.bottom;
|
||||
triggerOffset = TGPhotoEditorEdgeScrollTriggerOffset.y;
|
||||
targetOverlap = itemSize + 2 * ((UICollectionViewFlowLayout *)self.collectionViewLayout).minimumLineSpacing;
|
||||
}
|
||||
|
||||
CGFloat itemsScreenPosition = itemPosition - contentOffset;
|
||||
|
||||
if (itemsScreenPosition < triggerOffset)
|
||||
{
|
||||
CGFloat targetContentOffset = MAX(-startInset, itemPosition - targetOverlap);
|
||||
|
||||
if (!vertical && targetContentOffset < startInset + itemSize)
|
||||
targetContentOffset = -startInset;
|
||||
|
||||
if (contentOffset > targetContentOffset)
|
||||
{
|
||||
if (!vertical)
|
||||
[self setContentOffset:CGPointMake(targetContentOffset, -self.contentInset.top) animated:YES];
|
||||
else
|
||||
[self setContentOffset:CGPointMake(-self.contentInset.left, targetContentOffset) animated:YES];
|
||||
|
||||
self.scrollEnabled = false;
|
||||
}
|
||||
}
|
||||
else if (itemsScreenPosition > screenSize - triggerOffset)
|
||||
{
|
||||
CGFloat targetContentOffset = MIN(contentSize - screenSize + endInset,
|
||||
itemPosition - screenSize + itemSize + targetOverlap);
|
||||
|
||||
if (!vertical && targetContentOffset > contentSize - screenSize - endInset - itemSize)
|
||||
targetContentOffset = contentSize - screenSize + endInset;
|
||||
|
||||
if (contentOffset < targetContentOffset)
|
||||
{
|
||||
if (!vertical)
|
||||
[self setContentOffset:CGPointMake(targetContentOffset, -self.contentInset.top) animated:YES];
|
||||
else
|
||||
[self setContentOffset:CGPointMake(-self.contentInset.left, targetContentOffset) animated:YES];
|
||||
|
||||
self.scrollEnabled = false;
|
||||
}
|
||||
}
|
||||
|
||||
[filtersDataSource collectionView:self didSelectFilterWithIndex:indexPath.row];
|
||||
|
||||
_selectedItemIndexPath = indexPath;
|
||||
[self setSelectedItemIndexPath:indexPath];
|
||||
}
|
||||
}
|
||||
|
||||
- (BOOL)collectionView:(UICollectionView *)__unused collectionView shouldSelectItemAtIndexPath:(NSIndexPath *)__unused indexPath
|
||||
{
|
||||
return false;
|
||||
}
|
||||
|
||||
#pragma mark - Scroll View Delegate
|
||||
|
||||
- (void)scrollViewDidScroll:(UIScrollView *)scrollView
|
||||
{
|
||||
id<UICollectionViewDelegate> realDelegate = self.realDelegate;
|
||||
|
||||
if ([realDelegate respondsToSelector:_cmd])
|
||||
[realDelegate scrollViewDidScroll:scrollView];
|
||||
}
|
||||
|
||||
- (void)scrollViewDidEndScrollingAnimation:(UIScrollView *)__unused scrollView
|
||||
{
|
||||
self.scrollEnabled = true;
|
||||
}
|
||||
|
||||
- (void)scrollViewDidEndDragging:(UIScrollView *)__unused scrollView willDecelerate:(BOOL)decelerate
|
||||
{
|
||||
if (!decelerate)
|
||||
{
|
||||
dispatch_async(dispatch_get_main_queue(), ^
|
||||
{
|
||||
if (self.interactionEnded != nil)
|
||||
self.interactionEnded();
|
||||
});
|
||||
}
|
||||
}
|
||||
|
||||
- (void)scrollViewDidEndDecelerating:(UIScrollView *)__unused scrollView
|
||||
{
|
||||
dispatch_async(dispatch_get_main_queue(), ^
|
||||
{
|
||||
if (self.interactionEnded != nil)
|
||||
self.interactionEnded();
|
||||
});
|
||||
}
|
||||
|
||||
@end
|
||||
Reference in New Issue
Block a user