first commit

.gitignore

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+.theos/
+packages/

FreePIP.plist

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+{ Filter = { Bundles = ( "com.apple.springboard" ); }; }

Makefile

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+INSTALL_TARGET_PROCESSES = SpringBoard
+
+include $(THEOS)/makefiles/common.mk
+
+TWEAK_NAME = FreePIP
+
+ifeq ($(simulator),1)
+        export TARGET = simulator:clang:13.7:8.0 # It may be required to change here
+        ARCHS = x86_64
+else
+		ARCHS = arm64 arm64e
+endif
+
+FreePIP_FILES = Tweak.x
+FreePIP_CFLAGS = -fobjc-arc
+
+include $(THEOS_MAKE_PATH)/tweak.mk
+
+ifneq (,$(filter x86_64 i386,$(ARCHS)))
+setup:: clean all
+	@rm -f /opt/simject/$(TWEAK_NAME).dylib
+	@cp -v .theos/obj/iphone_simulator/debug/$(TWEAK_NAME).dylib /opt/simject/$(TWEAK_NAME).dylib
+	@codesign -f -s - /opt/simject/$(TWEAK_NAME).dylib
+	@cp -v $(PWD)/$(TWEAK_NAME).plist /opt/simject
+	@/usr/local/bin/resim
+endif

README.md

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+# FreePIP
+
+FreePIP is a tweak to the iOS Picture-in-Picture to un-snap and scale the view unlimitedly.
+
+## Features
+
+- Snap / Un-snap the view by long-press the PiP view
+- Unlimited scaling
+
+## Support
+
+- iOS 13: Tested on iX, iOS13.7
+- iOS 14: Tested on Simulator / I wrote the code by "seeing" the SpringBoard.framework
+
+## Build
+
+Just build using Theos
+
+If you are using simulator and simject, you can build and install this by using following command.
+
+## License
+
+MIT License
+
+**If you use the code of this tweak, you are obliged to publish the code for both commercial and personal use**

Tweak.h

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+@interface PGPictureInPictureViewController : UIViewController
+@end
+
+@interface SBPIPContainerViewController : UIViewController
+-(PGPictureInPictureViewController *)pictureInPictureViewController;
+-(void)_handlePanGesture:(UIPanGestureRecognizer *)arg1;
+-(void)_handleRotationGesture:(UIRotationGestureRecognizer *)arg1;
+-(void)_handlePinchGesture:(UIPinchGestureRecognizer *)arg1;
+-(void)loadView;
+@end

Tweak.x

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+#import <Foundation/Foundation.h>
+#import <UIKit/UIKit.h>
+#import "Tweak.h"
+
+
+// How this tweak works
+
+// Originally, the PiP view is snapped to edges using NSLayoutConstraint.
+// NSLayoutConstraint is difficult to hook because it is managed as an Ivar.
+// Therefore, this tweak uses CGAffineTransform to unsnap it.
+// It's not a pretty fix and there must be a better way.
+// If you know a beautiful fix, please let me know.
+
+// iOS 13 - Tested on iX, iOS 13.7
+// iOS 14 - Tested on Simulator (not on real devices)
+
+
+// Ref: https://stackoverflow.com/questions/36763415/how-would-you-presentviewcontroller-from-subview (This is kind of a hacky way though...)
+#define UIViewParentController(__view) ({ \
+        UIResponder *__responder = __view; \
+        while ([__responder isKindOfClass:[UIView class]]) \
+        __responder = [__responder nextResponder]; \
+        (UIViewController *)__responder; \
+    })
+// End Ref
+
+
+static BOOL locked = YES;
+
+
+%hook SBPIPContainerViewController
+-(void)loadView {
+    %orig;
+
+    UILongPressGestureRecognizer *longPressGesture = [[UILongPressGestureRecognizer alloc] initWithTarget:self action:@selector(handleLongPressGesture:)];
+    [self.pictureInPictureViewController.view addGestureRecognizer:longPressGesture];
+    self.pictureInPictureViewController.view.layer.borderWidth = 1.5;
+}
+
+%new
+- (void)handleLongPressGesture: (UILongPressGestureRecognizer *)sender {
+    if (sender.state != UIGestureRecognizerStateBegan) return;
+
+    if(locked) self.pictureInPictureViewController.view.layer.borderColor = [UIColor clearColor].CGColor;
+    else self.pictureInPictureViewController.view.layer.borderColor = [UIColor redColor].CGColor;
+
+    locked = !locked; // Revert the value
+}
+
+// iOS13
+-(void)_handlePanGesture: (UIPanGestureRecognizer *)sender {
+    if(locked) %orig;
+    else if(sender.state == UIGestureRecognizerStateChanged) {
+        // Change the position of the view using CGAffineTransform
+        CGPoint translation = [sender translationInView:self.pictureInPictureViewController.view];
+        self.pictureInPictureViewController.view.transform = CGAffineTransformTranslate(self.pictureInPictureViewController.view.transform, translation.x, translation.y);
+        [sender setTranslation:CGPointZero inView: self.pictureInPictureViewController.view];
+    }
+}
+
+-(void)_handlePinchGesture:(UIPinchGestureRecognizer *)sender {
+    if(locked) %orig;
+    else if(sender.state == UIGestureRecognizerStateChanged) {
+        // Change the scale of the view using CGAffineTransform
+        self.pictureInPictureViewController.view.transform = CGAffineTransformScale(self.pictureInPictureViewController.view.transform, sender.scale, sender.scale);
+        sender.scale = 1.0;
+    }
+}
+-(void)_handleRotationGesture:(UIRotationGestureRecognizer *)sender {
+    // Rotation gesture do nothing (at least as far as I've tried)
+    // Prevent updating layout by rotation gesture
+    if(locked) %orig;
+}
+
+-(void)setContentViewPadding:(UIEdgeInsets)arg1 animationDuration:(double)arg2 animationOptions:(unsigned long long)arg3 {
+    // Prevent updating padding when switching apps
+    if(locked) %orig;
+}
+
+// iOS14
+-(void)setContentViewPadding:(UIEdgeInsets)arg1 {
+    // Prevent updating padding when switching apps
+    if(!locked) arg1 = UIEdgeInsetsZero;
+    %orig(arg1);
+}
+%end
+
+
+// iOS14
+// Here is using the same logic as in iOS13, but there seems to be a better way.
+%hook SBPIPInteractionController
+-(void)handlePanGesture: (UIPanGestureRecognizer *)sender {
+    if(locked) %orig;
+    else if(sender.state == UIGestureRecognizerStateChanged) {
+        // Change the position of the view using CGAffineTransform
+        UIViewController *pgpVC = UIViewParentController(sender.view);
+
+        CGPoint translation = [sender translationInView:pgpVC.view];
+        pgpVC.view.transform = CGAffineTransformTranslate(pgpVC.view.transform, translation.x, translation.y);
+        [sender setTranslation:CGPointZero inView: pgpVC.view];
+    }
+
+}
+-(void)handlePinchGesture:(UIPinchGestureRecognizer *)sender {
+    if(locked) %orig;
+    else if(sender.state == UIGestureRecognizerStateChanged) {
+        // Change the scale of the view using CGAffineTransform
+        UIViewController *pgpVC = UIViewParentController(sender.view);
+        pgpVC.view.transform = CGAffineTransformScale(pgpVC.view.transform, sender.scale, sender.scale);
+        sender.scale = 1.0;
+    }
+}
+-(void)handleRotationGesture:(UIRotationGestureRecognizer *)sender {
+    // Rotation gesture do nothing (at least as far as I've tried)
+    // Prevent updating layout by rotation gesture
+    if(locked) %orig;
+}
+%end
+
+
+%ctor {
+    // Somehow, ifdef does not work here
+    #if TARGET_OS_SIMULATOR
+    NSLog(@"freepip - target is simulator");
+    #else
+    NSLog(@"frepip - target is a real device");
+    if(![[NSFileManager defaultManager] fileExistsAtPath:@"/var/lib/dpkg/info/jp.soh.freepip.list"]) return; // Prevent initializing the tweak if the tweak is malformed (Extremely easy to bypass it, but the pirate repos like HYI cannot bypass it lol)
+    #endif
+
+    %init; // initialize the tweak
+}

control

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+Package: jp.soh.freepip
+Name: FreePIP
+Version: 0.0.1
+Architecture: iphoneos-arm
+Description: An awesome MobileSubstrate tweak!
+Maintainer: Soh Satoh
+Author: Soh Satoh
+Section: Tweaks
+Depends: mobilesubstrate (>= 0.9.5000)