GLEGram 12.5 — Initial public release

Based on Swiftgram 12.5 (Telegram iOS 12.5).
All GLEGram features ported and organized in GLEGram/ folder.

Features: Ghost Mode, Saved Deleted Messages, Content Protection Bypass,
Font Replacement, Fake Profile, Chat Export, Plugin System, and more.

See CHANGELOG_12.5.md for full details.

submodules/LegacyComponents/Sources/TGModernGalleryZoomableScrollView.m

@@ -0,0 +1,71 @@
+#import <LegacyComponents/TGModernGalleryZoomableScrollView.h>
+
+#import <LegacyComponents/TGDoubleTapGestureRecognizer.h>
+
+@interface TGModernGalleryZoomableScrollView () <TGDoubleTapGestureRecognizerDelegate>
+{
+    bool _hasDoubleTap;
+}
+@end
+
+@implementation TGModernGalleryZoomableScrollView
+
+- (instancetype)initWithFrame:(CGRect)frame hasDoubleTap:(bool)hasDoubleTap
+{
+    self = [super initWithFrame:frame];
+    if (self != nil)
+    {
+        _hasDoubleTap = hasDoubleTap;
+        if (hasDoubleTap) {
+            TGDoubleTapGestureRecognizer *recognizer = [[TGDoubleTapGestureRecognizer alloc] initWithTarget:self action:@selector(doubleTapGesture:)];
+            recognizer.consumeSingleTap = true;
+            [self addGestureRecognizer:recognizer];
+        } else {
+            self.panGestureRecognizer.minimumNumberOfTouches = 2;
+        }
+        
+        _normalZoomScale = 1.0f;
+    }
+    return self;
+}
+
+- (void)setContentInset:(UIEdgeInsets)contentInset {
+    if (_hasDoubleTap) {
+        [super setContentInset:contentInset];
+    } else {
+        [super setContentInset:UIEdgeInsetsZero];
+    }
+}
+
+- (UIEdgeInsets)adjustedContentInset {
+    if (_hasDoubleTap) {
+        return [super adjustedContentInset];
+    } else {
+        return UIEdgeInsetsZero;
+    }
+}
+
+- (void)doubleTapGesture:(TGDoubleTapGestureRecognizer *)recognizer
+{
+    if (recognizer.state == UIGestureRecognizerStateRecognized)
+    {
+        if (recognizer.doubleTapped)
+        {
+            if (_doubleTapped)
+                _doubleTapped([recognizer locationInView:self]);
+        }
+        else
+        {
+            if (_singleTapped)
+                _singleTapped();
+        }
+    }
+}
+
+- (void)doubleTapGestureRecognizerSingleTapped:(TGDoubleTapGestureRecognizer *)__unused recognizer
+{
+    if (_singleTapped)
+        _singleTapped();
+}
+
+@end