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 *)outputWithSerialization:(NSDictionary *)serialization {
  40     NJOutputMouseButton *output = [[NJOutputMouseButton alloc] init];
  41     output.button = [serialization[@"button"] intValue];
  42     return output;
  43 }
  44
  45 - (void)trigger {
  46     CGFloat height = NSScreen.mainScreen.frame.size.height;
  47     NSPoint mouseLoc = NSEvent.mouseLocation;
  48     CGEventType eventType = _button == kCGMouseButtonLeft ? kCGEventLeftMouseDown
  49                           : _button == kCGMouseButtonRight ? kCGEventRightMouseDown
  50                           : kCGEventOtherMouseDown;
  51     CGEventRef click = CGEventCreateMouseEvent(NULL,
  52                                                eventType,
  53                                                CGPointMake(mouseLoc.x, height - mouseLoc.y),
  54                                                _button);
  55
  56     if (clickCount >= 3 || [upTime compare:[NSDate date]] == NSOrderedAscending
  57         || !CGPointEqualToPoint(mouseLoc, clickPosition))
  58         clickCount = 1;
  59     else
  60         ++clickCount;
  61     CGEventSetIntegerValueField(click, kCGMouseEventClickState, clickCount);
  62     CGEventPost(kCGHIDEventTap, click);
  63     CFRelease(click);
  64     clickPosition = mouseLoc;
  65 }
  66
  67 - (void)untrigger {
  68     upTime = [NJOutputMouseButton dateWithClickInterval];
  69     NSPoint mouseLoc = NSEvent.mouseLocation;
  70     CGFloat height = NSScreen.mainScreen.frame.size.height;
  71     CGEventType eventType = _button == kCGMouseButtonLeft ? kCGEventLeftMouseUp
  72                           : _button == kCGMouseButtonRight ? kCGEventRightMouseUp
  73                           : kCGEventOtherMouseUp;
  74     CGEventRef click = CGEventCreateMouseEvent(NULL,
  75                                                eventType,
  76                                                CGPointMake(mouseLoc.x, height - mouseLoc.y),
  77                                                _button);
  78     CGEventSetIntegerValueField(click, kCGMouseEventClickState, clickCount);
  79     CGEventPost(kCGHIDEventTap, click);
  80     CFRelease(click);
  81 }
  82
  83 @end