Classes/NJOutputMouseButton.m

   1 //
   2 //  NJOutputMouseButton.m
   3 //  Enjoy
   4 //
   5 //  Created by Yifeng Huang on 7/27/12.
   6 //
   7
   8 #import "NJOutputMouseButton.h"
   9
  10 @implementation NJOutputMouseButton {
  11     NSDate *upTime;
  12     int clickCount;
  13     NSPoint clickPosition;
  14 }
  15
  16 + (NSTimeInterval)doubleClickInterval {
  17     static NSTimeInterval s_doubleClickThreshold;
  18     if (!s_doubleClickThreshold) {
  19         s_doubleClickThreshold = [[NSUserDefaults.standardUserDefaults
  20                                  objectForKey:@"com.apple.mouse.doubleClickThreshold"] floatValue];
  21         if (s_doubleClickThreshold <= 0)
  22             s_doubleClickThreshold = 1.0;
  23     }
  24     return s_doubleClickThreshold;
  25 }
  26
  27 + (NSDate *)dateWithClickInterval {
  28     return [[NSDate alloc] initWithTimeIntervalSinceNow:self.doubleClickInterval];
  29 }
  30
  31 + (NSString *)serializationCode {
  32     return @"mouse button";
  33 }
  34
  35 - (NSDictionary *)serialize {
  36     return @{ @"type": self.class.serializationCode, @"button": @(_button) };
  37 }
  38
  39 + (NJOutput *)outputDeserialize:(NSDictionary *)serialization
  40                   withMappings:(NSArray *)mappings {
  41     NJOutputMouseButton *output = [[NJOutputMouseButton alloc] init];
  42     output.button = [serialization[@"button"] intValue];
  43     return output;
  44 }
  45
  46 - (void)trigger {
  47     CGFloat height = NSScreen.mainScreen.frame.size.height;
  48     NSPoint mouseLoc = NSEvent.mouseLocation;
  49     CGEventType eventType = (_button == kCGMouseButtonLeft) ? kCGEventLeftMouseDown : kCGEventRightMouseDown;
  50     CGEventRef click = CGEventCreateMouseEvent(NULL,
  51                                                eventType,
  52                                                CGPointMake(mouseLoc.x, height - mouseLoc.y),
  53                                                _button);
  54
  55     if (clickCount >= 3 || [upTime compare:[NSDate date]] == NSOrderedAscending
  56         || !CGPointEqualToPoint(NSEvent.mouseLocation, clickPosition))
  57         clickCount = 1;
  58     else
  59         ++clickCount;
  60     CGEventSetIntegerValueField(click, kCGMouseEventClickState, clickCount);
  61
  62     CGEventPost(kCGHIDEventTap, click);
  63     CFRelease(click);
  64 }
  65
  66 - (void)untrigger {
  67     upTime = [NJOutputMouseButton dateWithClickInterval];
  68     clickPosition = NSEvent.mouseLocation;
  69     CGFloat height = NSScreen.mainScreen.frame.size.height;
  70     CGEventType eventType = (_button == kCGMouseButtonLeft) ? kCGEventLeftMouseUp : kCGEventRightMouseUp;
  71     CGEventRef click = CGEventCreateMouseEvent(NULL,
  72                                                eventType,
  73                                                CGPointMake(clickPosition.x, height - clickPosition.y),
  74                                                _button);
  75     CGEventSetIntegerValueField(click, kCGMouseEventClickState, clickCount);
  76     CGEventPost(kCGHIDEventTap, click);
  77     CFRelease(click);
  78 }
  79
  80 @end