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