Build ChatListUI

submodules/LegacyComponents/Sources/TGOverlayFormsheetController.m

@@ -0,0 +1,107 @@
+#import "TGOverlayFormsheetController.h"
+
+#import <LegacyComponents/LegacyComponents.h>
+
+const CGSize TGOverlayFormsheetControllerReferenceSize = { 540.0f, 620.0f };
+
+@interface TGOverlayFormsheetController ()
+{
+    UIControl *_dimView;
+    UIView *_wrapperView;
+    UIView *_contentView;
+    id<LegacyComponentsContext> _context;
+}
+@end
+
+@implementation TGOverlayFormsheetController
+
+- (instancetype)initWithContext:(id<LegacyComponentsContext>)context contentController:(UIViewController *)viewController
+{
+    self = [super init];
+    if (self != nil)
+    {
+        _context = context;
+        _viewController = viewController;
+        [self addChildViewController:viewController];
+        
+        _dimView = [[UIControl alloc] initWithFrame:self.view.frame];
+        _dimView.autoresizingMask = UIViewAutoresizingFlexibleWidth | UIViewAutoresizingFlexibleHeight;
+        _dimView.backgroundColor = [UIColor colorWithRed:0.027451f green:0.0431373f blue:0.0666667f alpha:0.5f];
+        [self.view addSubview:_dimView];
+        
+        _wrapperView = [[UIView alloc] initWithFrame:CGRectMake(0, 0, TGOverlayFormsheetControllerReferenceSize.width, TGOverlayFormsheetControllerReferenceSize.height)];
+        _wrapperView.layer.rasterizationScale = [[UIScreen mainScreen] scale];
+        [self.view addSubview:_wrapperView];
+        
+        _contentView = [[UIView alloc] initWithFrame:_wrapperView.bounds];
+        _contentView.backgroundColor = [UIColor whiteColor];
+        _contentView.clipsToBounds = true;
+        _contentView.layer.cornerRadius = 6.0f;
+        [_wrapperView addSubview:_contentView];
+        
+        [self setContentController:viewController];
+    }
+    return self;
+}
+
+- (void)setContentController:(UIViewController *)viewController
+{
+    if (viewController.presentingViewController != nil)
+        return;
+    
+    [self addChildViewController:viewController];
+    
+    viewController.view.autoresizingMask = UIViewAutoresizingFlexibleWidth | UIViewAutoresizingFlexibleHeight;
+    viewController.view.frame = CGRectMake(0, 0, _wrapperView.frame.size.width, _wrapperView.frame.size.height);
+    [_contentView addSubview:viewController.view];
+}
+
+- (void)animateInWithCompletion:(void (^)(void))completion
+{
+    CGRect targetFrame = _wrapperView.frame;
+    _wrapperView.frame = CGRectMake(_wrapperView.frame.origin.x, self.view.frame.size.height, _wrapperView.frame.size.width, _wrapperView.frame.size.height);
+    
+    _wrapperView.layer.shouldRasterize = true;
+    
+    [UIView animateWithDuration:0.3f delay:0.0f options:(7 << 16) animations:^
+    {
+        _wrapperView.frame = targetFrame;
+    } completion:^(__unused BOOL finished)
+    {
+        if (completion != nil)
+            completion();
+        
+        _wrapperView.layer.shouldRasterize = false;
+    }];
+}
+
+- (void)animateOutWithCompletion:(void (^)(void))completion
+{
+    _wrapperView.layer.shouldRasterize = true;
+    
+    [UIView animateWithDuration:0.3f delay:0.0f options:(7 << 16) animations:^
+    {
+        _dimView.alpha = 0.0f;
+        _wrapperView.frame = CGRectMake(_wrapperView.frame.origin.x, self.view.frame.size.height, _wrapperView.frame.size.width, _wrapperView.frame.size.height);
+    } completion:^(__unused BOOL finished)
+    {
+        _wrapperView.layer.shouldRasterize = false;
+        if (completion != nil)
+            completion();
+    }];
+}
+
+- (void)viewWillLayoutSubviews
+{
+    [super viewWillLayoutSubviews];
+    
+    [self updateLayout:[[LegacyComponentsGlobals provider] applicationStatusBarOrientation]];
+}
+
+- (void)updateLayout:(UIInterfaceOrientation)__unused orientation
+{
+    CGSize referenceSize = [_context fullscreenBounds].size;
+    _wrapperView.frame = CGRectMake((referenceSize.width - _wrapperView.frame.size.width) / 2, (referenceSize.height - _wrapperView.frame.size.height) / 2, _wrapperView.frame.size.width, _wrapperView.frame.size.height);
+}
+
+@end