Swiftgram/submodules/LegacyComponents/Sources/TGModernConversationAlphacodeAssociatedPanel.m
2020-02-22 15:38:54 +04:00

489 lines
17 KiB
Objective-C

#import "TGModernConversationAlphacodeAssociatedPanel.h"
#import "LegacyComponentsInternal.h"
#import "TGColor.h"
#import "TGImageUtils.h"
#import "TGFont.h"
#import "TGViewController.h"
#import "TGAlphacodePanelCell.h"
#import "TGAlphacode.h"
@interface TGModernConversationAlphacodeAssociatedPanel () <UITableViewDelegate, UITableViewDataSource>
{
SMetaDisposable *_disposable;
NSArray *_codeList;
UIView *_backgroundView;
UIView *_effectView;
UITableView *_tableView;
UIView *_stripeView;
UIView *_separatorView;
UIView *_bottomView;
UIView *_tableViewBackground;
UIView *_tableViewSeparator;
bool _resetOffsetOnLayout;
bool _animatingOut;
}
@end
@implementation TGModernConversationAlphacodeAssociatedPanel
- (instancetype)initWithStyle:(TGModernConversationAssociatedInputPanelStyle)style
{
self = [super initWithStyle:style];
if (self != nil)
{
_disposable = [[SMetaDisposable alloc] init];
UIColor *backgroundColor = [UIColor whiteColor];
UIColor *bottomColor = UIColorRGBA(0xfafafa, 0.98f);
UIColor *separatorColor = UIColorRGB(0xc5c7d0);
UIColor *cellSeparatorColor = UIColorRGB(0xdbdbdb);
self.clipsToBounds = true;
if (self.style == TGModernConversationAssociatedInputPanelDarkStyle)
{
backgroundColor = UIColorRGB(0x171717);
bottomColor = backgroundColor;
separatorColor = UIColorRGB(0x292929);
cellSeparatorColor = separatorColor;
}
else if (self.style == TGModernConversationAssociatedInputPanelDarkBlurredStyle)
{
backgroundColor = [UIColor clearColor];
separatorColor = UIColorRGBA(0xb2b2b2, 0.7f);
cellSeparatorColor = UIColorRGBA(0xb2b2b2, 0.4f);
bottomColor = [UIColor clearColor];
CGFloat backgroundAlpha = 0.8f;
if (iosMajorVersion() >= 8)
{
UIVisualEffectView *blurEffectView = [[UIVisualEffectView alloc] initWithEffect:[UIBlurEffect effectWithStyle:UIBlurEffectStyleDark]];
blurEffectView.autoresizingMask = UIViewAutoresizingFlexibleWidth | UIViewAutoresizingFlexibleHeight;
blurEffectView.frame = self.bounds;
[self addSubview:blurEffectView];
_effectView = blurEffectView;
backgroundAlpha = 0.4f;
}
_backgroundView = [[UIView alloc] initWithFrame:self.bounds];
_backgroundView.autoresizingMask = UIViewAutoresizingFlexibleWidth | UIViewAutoresizingFlexibleHeight;
_backgroundView.backgroundColor = [UIColor colorWithWhite:0.0f alpha:backgroundAlpha];
[self addSubview:_backgroundView];
}
_bottomView = [[UIView alloc] init];
_bottomView.backgroundColor = bottomColor;
[self addSubview:_bottomView];
_tableViewBackground = [[UIView alloc] init];
_tableViewBackground.backgroundColor = backgroundColor;
[self addSubview:_tableViewBackground];
_tableView = [[UITableView alloc] init];
_tableView.delegate = self;
_tableView.dataSource = self;
_tableView.separatorStyle = UITableViewCellSeparatorStyleSingleLine;
_tableView.tableFooterView = [[UIView alloc] init];
if (iosMajorVersion() >= 7)
{
_tableView.separatorColor = cellSeparatorColor;
_tableView.separatorInset = UIEdgeInsetsMake(0.0f, 40.0f, 0.0f, 0.0f);
}
_tableView.backgroundColor = nil;
_tableView.opaque = false;
_tableView.showsVerticalScrollIndicator = false;
_tableView.showsHorizontalScrollIndicator = false;
[self addSubview:_tableView];
_tableViewSeparator = [[UIView alloc] init];
_tableViewSeparator.backgroundColor = separatorColor;
[self addSubview:_tableViewSeparator];
_stripeView = [[UIView alloc] init];
_stripeView.backgroundColor = separatorColor;
[self addSubview:_stripeView];
if (self.style != TGModernConversationAssociatedInputPanelDarkBlurredStyle)
{
_separatorView = [[UIView alloc] init];
_separatorView.backgroundColor = separatorColor;
[self addSubview:_separatorView];
}
}
return self;
}
- (void)dealloc
{
[_disposable dispose];
}
- (void)setPallete:(TGConversationAssociatedInputPanelPallete *)pallete
{
[super setPallete:pallete];
if (self.pallete == nil)
return;
_bottomView.backgroundColor = pallete.barBackgroundColor;
_tableViewBackground.backgroundColor = pallete.backgroundColor;
_tableViewSeparator.backgroundColor = pallete.barSeparatorColor;
_tableView.separatorColor = pallete.separatorColor;
_stripeView.backgroundColor = pallete.barSeparatorColor;
_separatorView.backgroundColor = pallete.barSeparatorColor;
}
- (void)setFrame:(CGRect)frame
{
[super setFrame:frame];
self.alpha = frame.size.height >= FLT_EPSILON;
}
- (bool)fillsAvailableSpace {
return true;//iosMajorVersion() >= 9;
}
- (CGFloat)preferredHeight {
return [self preferredHeightAndOverlayHeight:NULL];
}
- (CGFloat)preferredHeightAndOverlayHeight:(CGFloat *)overlayHeight
{
CGFloat height = 0.0f;
CGFloat lastHeight = 0.0f;
NSInteger lastIndex = MIN([TGViewController isWidescreen] ? 4 : 3, (NSInteger)_codeList.count - 1);
for (NSInteger i = 0; i <= lastIndex; i++) {
CGFloat rowHeight = [self tableView:_tableView heightForRowAtIndexPath:[NSIndexPath indexPathForRow:i inSection:0]];
if (i == lastIndex) {
lastHeight = rowHeight;
} else {
height += rowHeight;
}
}
CGFloat completeHeight = 0.0f;
for (NSInteger i = 0; i < (NSInteger)_codeList.count; i++) {
CGFloat rowHeight = [self tableView:_tableView heightForRowAtIndexPath:[NSIndexPath indexPathForRow:i inSection:0]];
completeHeight += rowHeight;
}
CGFloat maxHeight = CGFloor(self.frame.size.height * 2.0f / 3.0f);
height = completeHeight;
CGFloat overlayHeightValue = 0.0f;
if (height + self.barInset < self.frame.size.height) {
overlayHeightValue = self.barInset;
}
if (overlayHeight) {
*overlayHeight = overlayHeightValue;
}
height += overlayHeightValue;
if (lastIndex > 0) {
return MIN(maxHeight, CGFloor(height));
} else {
return MIN(maxHeight, height);
}
}
- (void)setAlphacodeListSignal:(SSignal *)alphacodeListSignal
{
if (alphacodeListSignal == nil)
{
[_disposable setDisposable:nil];
[self setCodeList:@[]];
}
else
{
__weak TGModernConversationAlphacodeAssociatedPanel *weakSelf = self;
[_disposable setDisposable:[[alphacodeListSignal deliverOn:[SQueue mainQueue]] startWithNext:^(NSArray *userList)
{
__strong TGModernConversationAlphacodeAssociatedPanel *strongSelf = weakSelf;
if (strongSelf != nil)
[strongSelf setCodeList:userList];
}]];
}
}
- (void)setCodeList:(NSArray *)codeList
{
bool wasEmpty = _codeList.count == 0;
_codeList = codeList;
if (iosMajorVersion() >= 7) {
_tableView.separatorStyle = _codeList.count <= 1 ? UITableViewCellSeparatorStyleNone : UITableViewCellSeparatorStyleSingleLine;
}
[_tableView reloadData];
[self setNeedsPreferredHeightUpdate];
_stripeView.hidden = _codeList.count == 0;
_separatorView.hidden = _codeList.count == 0;
_bottomView.hidden = _codeList.count == 0;
[self scrollViewDidScroll:_tableView];
if (_codeList.count != 0 && wasEmpty) {
[self animateIn];
} else {
[self layoutSubviews];
}
}
- (NSInteger)tableView:(UITableView *)__unused tableView numberOfRowsInSection:(NSInteger)__unused section
{
return _codeList.count;
}
- (CGFloat)tableView:(UITableView *)__unused tableView heightForRowAtIndexPath:(NSIndexPath *)__unused indexPath {
return 41.0f;
}
- (UITableViewCell *)tableView:(UITableView *)tableView cellForRowAtIndexPath:(NSIndexPath *)indexPath
{
TGAlphacodePanelCell *cell = (TGAlphacodePanelCell *)[tableView dequeueReusableCellWithIdentifier:TGAlphacodePanelCellKind];
if (cell == nil)
cell = [[TGAlphacodePanelCell alloc] initWithStyle:self.style];
cell.pallete = self.pallete;
TGAlphacodeEntry *entry = _codeList[indexPath.row];
[cell setEmoji:entry.emoji label:entry.code];
return cell;
}
- (void)tableView:(UITableView *)__unused tableView didSelectRowAtIndexPath:(NSIndexPath *)indexPath
{
TGAlphacodeEntry *entry = _codeList[indexPath.row];
if (_alphacodeSelected) {
_alphacodeSelected(entry);
}
}
- (void)scrollViewDidScroll:(UIScrollView *)scrollView {
if (scrollView == _tableView) {
[self updateTableBackground];
}
}
- (void)layoutSubviews
{
[super layoutSubviews];
if (_animatingOut) {
return;
}
_backgroundView.frame = CGRectMake(-1000, 0, self.frame.size.width + 2000, self.frame.size.height);
_effectView.frame = CGRectMake(-1000, 0, self.frame.size.width + 2000, self.frame.size.height);
CGFloat separatorHeight = TGScreenPixel;
_separatorView.frame = CGRectMake(0.0f, self.frame.size.height - separatorHeight, self.frame.size.width, separatorHeight);
UIEdgeInsets previousInset = _tableView.contentInset;
_tableView.frame = CGRectMake(0.0f, 0.0f, self.frame.size.width, self.frame.size.height);
if ([self fillsAvailableSpace]) {
CGFloat overlayHeight = 0.0;
CGFloat preferredHeight = [self preferredHeightAndOverlayHeight:&overlayHeight];
CGFloat topInset = MAX(0.0f, self.frame.size.height - preferredHeight);
CGFloat insetDifference = topInset - _tableView.contentInset.top;
UIEdgeInsets finalInset = UIEdgeInsetsMake(topInset, 0.0f, MAX(0.0f, overlayHeight - 1.0f / TGScreenScaling()), 0.0f);
if (_resetOffsetOnLayout) {
_resetOffsetOnLayout = false;
_tableView.contentInset = finalInset;
[_tableView setContentOffset:CGPointMake(0.0f, -_tableView.contentInset.top) animated:false];
} else if (ABS(insetDifference) > FLT_EPSILON) {
//if (ABS(insetDifference) <= 36.0f + 0.1) {
{
[self _autoAdjustInsetsForScrollView:_tableView finalInset:finalInset previousInset:previousInset];
//contentOffset.y -= insetDifference;
//_tableView.contentOffset = contentOffset;
}
}
} else {
_tableView.contentInset = UIEdgeInsetsMake(0.0f, 0.0f, 0.0f, 0.0f);
}
_bottomView.frame = CGRectMake(0.0f, self.frame.size.height, self.frame.size.width, 4.0f);
[self updateTableBackground];
}
- (void)_autoAdjustInsetsForScrollView:(UIScrollView *)scrollView finalInset:(UIEdgeInsets)finalInset previousInset:(UIEdgeInsets)previousInset
{
CGPoint contentOffset = scrollView.contentOffset;
scrollView.contentInset = finalInset;
if (iosMajorVersion() <= 8 && scrollView.subviews.count != 0) {
if ([NSStringFromClass([scrollView.subviews.firstObject class]) hasPrefix:@"UITableViewWra"]) {
CGRect frame = scrollView.subviews.firstObject.frame;
frame.origin = CGPointZero;
scrollView.subviews.firstObject.frame = frame;
}
}
if (!UIEdgeInsetsEqualToEdgeInsets(previousInset, UIEdgeInsetsZero))
{
CGFloat maxOffset = scrollView.contentSize.height - (scrollView.frame.size.height - finalInset.bottom);
contentOffset.y += previousInset.top - finalInset.top;
contentOffset.y = MAX(-finalInset.top, MIN(contentOffset.y, maxOffset));
[scrollView setContentOffset:contentOffset animated:false];
}
else if (contentOffset.y < finalInset.top)
{
contentOffset.y = -finalInset.top;
[scrollView setContentOffset:contentOffset animated:false];
}
}
- (void)updateTableBackground {
if (_animatingOut) {
return;
}
CGFloat backgroundOriginY = MAX(0.0f, -_tableView.contentOffset.y);
_tableViewBackground.frame = CGRectMake(0.0f, backgroundOriginY, self.frame.size.width, self.frame.size.height - backgroundOriginY);
_tableViewSeparator.frame = CGRectMake(0.0f, backgroundOriginY - 0.5f, self.frame.size.width, 0.5f);
_tableView.scrollIndicatorInsets = UIEdgeInsetsMake(backgroundOriginY, 0.0f, 0.0f, 0.0f);
self.overlayBarOffset = _tableView.contentOffset.y + _tableView.contentInset.top;
if (self.updateOverlayBarOffset) {
self.updateOverlayBarOffset(self.overlayBarOffset);
}
}
- (CGRect)tableBackgroundFrame {
return _tableViewBackground.frame;
}
- (bool)hasSelectedItem
{
return _tableView.indexPathForSelectedRow != nil;
}
- (void)selectPreviousItem
{
if ([self tableView:_tableView numberOfRowsInSection:0] == 0)
return;
NSIndexPath *newIndexPath = _tableView.indexPathForSelectedRow;
if (newIndexPath == nil)
newIndexPath = [NSIndexPath indexPathForRow:0 inSection:0];
else if (newIndexPath.row > 0)
newIndexPath = [NSIndexPath indexPathForRow:newIndexPath.row - 1 inSection:0];
if (_tableView.indexPathForSelectedRow != nil)
[_tableView deselectRowAtIndexPath:_tableView.indexPathForSelectedRow animated:false];
if (newIndexPath != nil)
[_tableView selectRowAtIndexPath:newIndexPath animated:false scrollPosition:UITableViewScrollPositionBottom];
}
- (void)selectNextItem
{
if ([self tableView:_tableView numberOfRowsInSection:0] == 0)
return;
NSIndexPath *newIndexPath = _tableView.indexPathForSelectedRow;
if (newIndexPath == nil)
newIndexPath = [NSIndexPath indexPathForRow:0 inSection:0];
else if (newIndexPath.row < [self tableView:_tableView numberOfRowsInSection:newIndexPath.section] - 1)
newIndexPath = [NSIndexPath indexPathForRow:newIndexPath.row + 1 inSection:0];
if (_tableView.indexPathForSelectedRow != nil)
[_tableView deselectRowAtIndexPath:_tableView.indexPathForSelectedRow animated:false];
if (newIndexPath != nil)
[_tableView selectRowAtIndexPath:newIndexPath animated:false scrollPosition:UITableViewScrollPositionBottom];
}
- (void)commitSelectedItem
{
if ([self tableView:_tableView numberOfRowsInSection:0] == 0)
return;
NSIndexPath *selectedIndexPath = _tableView.indexPathForSelectedRow;
if (selectedIndexPath == nil)
selectedIndexPath = [NSIndexPath indexPathForRow:0 inSection:0];
[self tableView:_tableView didSelectRowAtIndexPath:selectedIndexPath];
}
- (void)animateIn {
[self layoutSubviews];
CGFloat offset = [self preferredHeight];
CGRect normalFrame = _tableView.frame;
_tableView.frame = CGRectMake(normalFrame.origin.x, normalFrame.origin.y + offset, normalFrame.size.width, normalFrame.size.height);
CGRect normalBackgroundFrame = _tableViewBackground.frame;
_tableViewBackground.frame = CGRectMake(normalBackgroundFrame.origin.x, normalBackgroundFrame.origin.y + offset, normalBackgroundFrame.size.width, normalBackgroundFrame.size.height);
CGRect normalSeparatorFrame = _tableViewSeparator.frame;
_tableViewSeparator.frame = CGRectMake(normalSeparatorFrame.origin.x, normalSeparatorFrame.origin.y + offset, normalSeparatorFrame.size.width, normalSeparatorFrame.size.height);
[UIView animateWithDuration:0.3 delay:0.0 options:7 << 16 animations:^{
_tableView.frame = normalFrame;
_tableViewBackground.frame = normalBackgroundFrame;
_tableViewSeparator.frame = normalSeparatorFrame;
} completion:nil];
}
- (void)animateOut:(void (^)())completion {
CGFloat offset = self.frame.size.height - _tableViewBackground.frame.origin.y;
CGRect normalFrame = _tableView.frame;
CGRect normalBackgroundFrame = _tableViewBackground.frame;
CGRect normalSeparatorFrame = _tableViewSeparator.frame;
_animatingOut = true;
[UIView animateWithDuration:0.15 delay:0.0 options:0 animations:^{
_tableView.frame = CGRectMake(normalFrame.origin.x, normalFrame.origin.y + offset, normalFrame.size.width, normalFrame.size.height);
_tableViewBackground.frame = CGRectMake(normalBackgroundFrame.origin.x, normalBackgroundFrame.origin.y + offset, normalBackgroundFrame.size.width, normalBackgroundFrame.size.height);
_tableViewSeparator.frame = CGRectMake(normalSeparatorFrame.origin.x, normalSeparatorFrame.origin.y + offset, normalSeparatorFrame.size.width, normalSeparatorFrame.size.height);
} completion:^(__unused BOOL finished) {
completion();
}];
}
- (UIView *)hitTest:(CGPoint)point withEvent:(UIEvent *)event {
if (CGRectContainsPoint(_tableViewBackground.frame, point)) {
return [super hitTest:point withEvent:event];
}
return nil;
}
- (void)setBarInset:(CGFloat)barInset animated:(bool)animated {
if (ABS(barInset - self.barInset) > FLT_EPSILON) {
[super setBarInset:barInset animated:animated];
if (animated) {
[self layoutSubviews];
} else {
[UIView animateWithDuration:0.3 animations:^{
[self layoutSubviews];
}];
}
}
}
@end