//

// WDBlockingView.m

// Inkpad

//

// This Source Code Form is subject to the terms of the Mozilla Public

// License, v. 2.0. If a copy of the MPL was not distributed with this

// file, You can obtain one at http://mozilla.org/MPL/2.0/.

//

// Copyright (c) 2010-2013 Steve Sprang

//

#import "WDBlockingView.h"

#import "WDUtilities.h"

@implementation WDBlockingView

@synthesize passthroughViews = passthroughViews_;

@synthesize action = action_;

@synthesize target = target_;

- (UIView *) hitTest:(CGPoint)point withEvent:(UIEvent *)event

{

point = [self convertPoint:point toView:nil];

for (UIView *view in passthroughViews_) {

CGPoint testPt = [view convertPoint:point fromView:nil];

if ([view hitTest:testPt withEvent:event]) {

return nil;

}

}

return [super hitTest:point withEvent:event];

}

- (void) touchesBegan:(NSSet *)touches withEvent:(UIEvent *)event

{

sendAction_ = YES;

}

- (void) touchesEnded:(NSSet *)touches withEvent:(UIEvent *)event

{

if (sendAction_) {

[[UIApplication sharedApplication] sendAction:action_ to:target_ from:self forEvent:event];

}

}

- (void) setShadowCenter:(CGPoint)center radius:(float)radius

{

CALayer *layer = self.layer;

layer.shadowOpacity = 0.5;

layer.shadowRadius = 25;

layer.shadowOffset = CGSizeMake(0, 0);

CGPoint rectCenter = WDCenterOfRect(self.bounds);

// flip one of the paths so that we get a hole in the shadow

CGAffineTransform tX = CGAffineTransformMakeTranslation(rectCenter.x, rectCenter.y);

tX = CGAffineTransformScale(tX, 1, -1);

const CGAffineTransform flip = CGAffineTransformTranslate(tX, -rectCenter.x, -rectCenter.y);

CGMutablePathRef pathRef = CGPathCreateMutable();

CGPathAddRect(pathRef, &flip, CGRectInset(self.bounds, -50, -50));

CGPathAddEllipseInRect(pathRef, NULL, CGRectMake(center.x - radius, center.y - radius, radius * 2, radius * 2));

layer.shadowPath = pathRef;

CGPathRelease(pathRef);

}

@end