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:(id <NSFastEnumeration>)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
  50                           : _button == kCGMouseButtonRight ? kCGEventRightMouseDown
  51                           : kCGEventOtherMouseDown;
  52     CGEventRef click = CGEventCreateMouseEvent(NULL,
  53                                                eventType,
  54                                                CGPointMake(mouseLoc.x, height - mouseLoc.y),
  55                                                _button);
  56
  57     if (clickCount >= 3 || [upTime compare:[NSDate date]] == NSOrderedAscending
  58         || !CGPointEqualToPoint(mouseLoc, clickPosition))
  59         clickCount = 1;
  60     else
  61         ++clickCount;
  62     CGEventSetIntegerValueField(click, kCGMouseEventClickState, clickCount);
  63     CGEventPost(kCGHIDEventTap, click);
  64     CFRelease(click);
  65     clickPosition = mouseLoc;
  66 }
  67
  68 - (void)untrigger {
  69     upTime = [NJOutputMouseButton dateWithClickInterval];
  70     NSPoint mouseLoc = NSEvent.mouseLocation;
  71     CGFloat height = NSScreen.mainScreen.frame.size.height;
  72     CGEventType eventType = _button == kCGMouseButtonLeft ? kCGEventLeftMouseUp
  73                           : _button == kCGMouseButtonRight ? kCGEventRightMouseUp
  74                           : kCGEventOtherMouseUp;
  75     CGEventRef click = CGEventCreateMouseEvent(NULL,
  76                                                eventType,
  77                                                CGPointMake(mouseLoc.x, height - mouseLoc.y),
  78                                                _button);
  79     CGEventSetIntegerValueField(click, kCGMouseEventClickState, clickCount);
  80     CGEventPost(kCGHIDEventTap, click);
  81     CFRelease(click);
  82 }
  83
  84 @end