RAHostManager.xm

#import "RAHostManager.h"
#import "RACompatibilitySystem.h"

@implementation RAHostManager
+(UIView*) systemHostViewForApplication:(SBApplication*)app
{
	if (!app)
		return nil;
	if ([app respondsToSelector:@selector(mainScene)]) // iOS 8
		return MSHookIvar<UIView*>(app.mainScene.contextHostManager, "_hostView");
	else if ([app respondsToSelector:@selector(mainScreenContextHostManager)])
		return MSHookIvar<UIView*>([app mainScreenContextHostManager], "_hostView");

	[RACompatibilitySystem showWarning:@"Unable to find valid method for accessing system context host views"];
	return nil;
}

+(UIView*) enabledHostViewForApplication:(SBApplication*)app
{
	if (!app)
		return nil;

	if ([app respondsToSelector:@selector(mainScene)])
	{
	    FBScene *scene = [app mainScene];
	    FBWindowContextHostManager *contextHostManager = [scene contextHostManager];

	    FBSMutableSceneSettings *settings = [[scene mutableSettings] mutableCopy];
	    if (!settings)
	        return nil;

	    SET_BACKGROUNDED(settings, NO);
	    [scene _applyMutableSettings:settings withTransitionContext:nil completion:nil];

	    [contextHostManager enableHostingForRequester:@"reachapp" orderFront:YES];
	    return [contextHostManager hostViewForRequester:@"reachapp" enableAndOrderFront:YES];
	}

	[RACompatibilitySystem showWarning:@"Unable to find valid method for accessing context host views"];
	return nil;
}

+(NSObject*) hostManagerForApp:(SBApplication*)app
{
	if (!app)
		return nil;
		
	if ([app respondsToSelector:@selector(mainScene)])
	{
	    FBScene *scene = [app mainScene];
	    return (NSObject*)[scene contextHostManager];
	}

	[RACompatibilitySystem showWarning:@"Unable to find valid method for accessing context host view managers"];
	return nil;
}
@end