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Telegram/legacy/TelegraphKit/TGListsTableView.m
2015-10-01 19:19:52 +03:00

126 lines
3.2 KiB
Objective-C

/*
* This is the source code of Telegram for iOS v. 1.1
* It is licensed under GNU GPL v. 2 or later.
* You should have received a copy of the license in this archive (see LICENSE).
*
* Copyright Peter Iakovlev, 2013.
*/
#import "TGListsTableView.h"
#import "TGSearchBar.h"
#import "Freedom.h"
#import <objc/runtime.h>
@interface TGListsTableView ()
{
UIView *_whiteFooterView;
bool _hackHeaderSize;
}
@end
@implementation TGListsTableView
- (instancetype)initWithFrame:(CGRect)frame style:(UITableViewStyle)style
{
self = [super initWithFrame:frame style:style];
if (self != nil)
{
if (iosMajorVersion() < 7)
{
self.backgroundView = [[UIView alloc] init];
self.backgroundView.backgroundColor = [UIColor whiteColor];
}
else
{
_whiteFooterView = [[UIView alloc] init];
_whiteFooterView.backgroundColor = [UIColor whiteColor];
[self insertSubview:_whiteFooterView atIndex:0];
}
}
return self;
}
- (void)layoutSubviews
{
[super layoutSubviews];
CGRect bounds = self.bounds;
if (_whiteFooterView != nil)
_whiteFooterView.frame = CGRectMake(0.0f, MAX(0.0f, bounds.origin.y), bounds.size.width, bounds.size.height);
else
self.backgroundView.frame = CGRectMake(0.0f, MAX(0.0f, bounds.origin.y), bounds.size.width, bounds.size.height);
if (_hackHeaderSize)
{
UIView *tableHeaderView = self.tableHeaderView;
if (tableHeaderView != nil)
{
CGSize size = self.frame.size;
CGRect frame = tableHeaderView.frame;
if (frame.size.width < size.width)
{
frame.size.width = size.width;
tableHeaderView.frame = frame;
}
}
}
UIView *tableHeaderView = self.tableHeaderView;
if (tableHeaderView != nil)
{
[(TGSearchBar *)tableHeaderView updateClipping:bounds.origin.y + self.contentInset.top];
}
}
- (void)didAddSubview:(UIView *)subview
{
[super didAddSubview:subview];
if (iosMajorVersion() >= 7)
{
static Class indexClass = Nil;
static ptrdiff_t backgroundColorPtr = -1;
static dispatch_once_t onceToken;
dispatch_once(&onceToken, ^
{
indexClass = freedomClass(0xd93a1ed6U);
if (indexClass != Nil)
backgroundColorPtr = freedomIvarOffset(indexClass, 0xca7e3046U);
});
if ([subview isKindOfClass:indexClass] && backgroundColorPtr >= 0)
{
__strong UIColor **backgroundColor = (__strong UIColor **)(void *)(((uint8_t *)(__bridge void *)subview) + backgroundColorPtr);
*backgroundColor = [UIColor clearColor];
}
}
}
- (void)hackHeaderSize
{
_hackHeaderSize = true;
}
- (void)adjustBehaviour
{
//FreedomBitfield tableFlagsOffset = freedomIvarBitOffset([UITableView class], 0x3fa93ecU, 0xe3ca73b1U);
//if (tableFlagsOffset.offset != -1 && tableFlagsOffset.bit != -1)
// freedomSetBitfield((__bridge void *)self, tableFlagsOffset, 1);
}
- (void)setContentOffset:(CGPoint)contentOffset
{
if (_blockContentOffset)
return;
[super setContentOffset:contentOffset];
}
@end