blob: 3f87e690ac2eb1f4dfcdc15c103e0e7adf75f625 [file] [log] [blame]
/*
* Copyright (C) 2017 Apple Inc. All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY APPLE INC. AND ITS CONTRIBUTORS ``AS IS''
* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
* THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR ITS CONTRIBUTORS
* BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
* THE POSSIBILITY OF SUCH DAMAGE.
*/
#import "config.h"
#import "GeneratedTouchesDebugWindow.h"
#import "HIDEventGenerator.h"
#import "UIKitSPI.h"
#import <wtf/RetainPtr.h>
static const CGFloat debugTouchDotRadius = 5;
static const CGFloat debugTouchDotSize = debugTouchDotRadius * 2;
@interface GeneratedTouchesDebugWindow ()
@property (nonatomic, strong) NSArray<UIView *> *debugTouchViews;
@property (nonatomic, strong) UIApplicationRotationFollowingWindow *debugTouchWindow;
@end
@implementation GeneratedTouchesDebugWindow
+ (GeneratedTouchesDebugWindow *)sharedGeneratedTouchesDebugWindow
{
static dispatch_once_t onceToken;
static RetainPtr<GeneratedTouchesDebugWindow> touchWindow;
dispatch_once(&onceToken, ^{
touchWindow = adoptNS([[GeneratedTouchesDebugWindow alloc] init]);
});
return touchWindow.get();
}
- (void)dealloc
{
_debugTouchWindow.hidden = YES;
[_debugTouchWindow release];
[_debugTouchViews release];
[super dealloc];
}
- (void)updateDebugIndicatorForTouch:(NSUInteger)index withPointInWindowCoordinates:(CGPoint)point isTouching:(BOOL)isTouching
{
[self initDebugViewsIfNeeded];
if (index < self.debugTouchViews.count) {
self.debugTouchViews[index].hidden = !isTouching;
self.debugTouchViews[index].center = point;
}
}
- (void)initDebugViewsIfNeeded
{
if (!self.shouldShowTouches)
return;
static dispatch_once_t onceToken = 0;
dispatch_once(&onceToken, ^{
auto touchWindow = adoptNS([[UIApplicationRotationFollowingWindow alloc] init]);
auto viewController = adoptNS([[UIApplicationRotationFollowingControllerNoTouches alloc] init]);
[touchWindow setRootViewController:viewController.get()];
[touchWindow setHidden:NO];
[touchWindow setBackgroundColor:[UIColor clearColor]];
[touchWindow setUserInteractionEnabled:NO];
self.debugTouchWindow = touchWindow.get();
NSMutableArray *debugViews = [NSMutableArray arrayWithCapacity:HIDMaxTouchCount];
for (NSUInteger i = 0; i < HIDMaxTouchCount; ++i) {
auto newView = adoptNS([[UIView alloc] initWithFrame:CGRectMake(10, 10, debugTouchDotSize, debugTouchDotSize)]);
[newView setUserInteractionEnabled:NO];
[newView layer].cornerRadius = debugTouchDotRadius;
[newView setBackgroundColor:[UIColor colorWithRed:1.0 - i * .05 green:0.0 blue:1.0 - i * .05 alpha:0.5]];
[newView setHidden:YES];
debugViews[i] = newView.get();
[[touchWindow rootViewController].view addSubview:debugViews[i]];
}
self.debugTouchViews = [NSArray arrayWithArray:debugViews];
});
}
@end