added files via upload

Tweaks/Alderis/lcpshim/PFColorAlert.m

@@ -0,0 +1,66 @@
+@import Alderis;
+#import "libcolorpicker.h"
+
+@interface PFColorAlert () <HBColorPickerDelegate>
+
+@end
+
+@implementation PFColorAlert {
+	PFColorAlert *_strongSelf;
+	HBColorPickerViewController *_viewController;
+	UIColor *_color;
+	BOOL _showAlpha;
+	PFColorAlertCompletion _completion;
+}
+
++ (PFColorAlert *)colorAlertWithStartColor:(UIColor *)startColor showAlpha:(BOOL)showAlpha {
+	return [[self.class alloc] initWithStartColor:startColor showAlpha:showAlpha];
+}
+
+- (PFColorAlert *)initWithStartColor:(UIColor *)startColor showAlpha:(BOOL)showAlpha {
+	self = [super init];
+	if (self) {
+		_color = startColor;
+		_showAlpha = showAlpha;
+	}
+	return self;
+}
+
+- (void)displayWithCompletion:(PFColorAlertCompletion)completion {
+	_completion = [completion copy];
+	_viewController = [[HBColorPickerViewController alloc] init];
+	_viewController.delegate = self;
+
+	UIColor *color = _color ?: [UIColor colorWithWhite:0.6 alpha:1];
+	HBColorPickerConfiguration *configuration = [[HBColorPickerConfiguration alloc] initWithColor:color];
+	configuration.supportsAlpha = _showAlpha;
+	_viewController.configuration = configuration;
+
+	UIWindow *window = [UIApplication sharedApplication].keyWindow;
+	_viewController.popoverPresentationController.sourceView = window;
+	_viewController.popoverPresentationController.sourceRect = window.bounds;
+	_viewController.popoverPresentationController.permittedArrowDirections = 0;
+	[window.rootViewController presentViewController:_viewController animated:YES completion:nil];
+
+	// Keep a strong reference to ourself. The color picker delegate is weakly stored by
+	// HBColorPickerViewController, but some users of PFColorAlert do not keep a strong reference to
+	// the PFColorAlert instance after calling displayWithCompletion:, causing this class to get
+	// deallocated and the delegate never called.
+	_strongSelf = self;
+}
+
+- (void)close {
+	_completion(_color);
+	_strongSelf = nil;
+}
+
+- (void)colorPicker:(HBColorPickerViewController *)colorPicker didSelectColor:(UIColor *)color {
+	_color = [color copy];
+	[self close];
+}
+
+- (void)colorPickerDidCancel:(HBColorPickerViewController *)colorPicker {
+	[self close];
+}
+
+@end