source: trunk/Cocoa/AntiRSI/AntiRSI.m @ 339

Last change on this file since 339 was 333, checked in by Nicholas Riley, 13 years ago

AntiRSI.[hm]: Replaced unnecessary use of KVO on reset_session_timer_time with setReset_session_timer_time; now reset_session_timer_time is a NSCalendarDate that doesn't need converting every time it's used. Invalidate badge_session_minutes so the badge changes when the work color is adjusted in preferences.

File size: 24.3 KB
Line 
1/*
2 author: Onne Gorter
3 
4 This file is part of AntiRSI.
5 
6 AntiRSI is free software; you can redistribute it and/or modify
7 it under the terms of the GNU General Public License as published by
8 the Free Software Foundation; either version 2 of the License, or
9 (at your option) any later version.
10 
11 AntiRSI is distributed in the hope that it will be useful,
12 but WITHOUT ANY WARRANTY; without even the implied warranty of
13 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
14 GNU General Public License for more details.
15 
16 You should have received a copy of the GNU General Public License
17 along with AntiRSI; if not, write to the Free Software
18 Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
19 */
20
21#import "AntiRSI.h"
22
23#include <math.h>
24#include <ApplicationServices/ApplicationServices.h>
25
26extern CFTimeInterval CGSSecondsSinceLastInputEvent(unsigned long eventType);
27
28static int badge_session_minutes = -1;
29
30@implementation AntiRSI
31
32- (void)computeResetSessionDate;
33{
34    NSCalendarDate *now = [NSCalendarDate calendarDate];
35    NSCalendarDate *reset =
36        [NSCalendarDate dateWithYear:[now yearOfCommonEra]
37                               month:[now monthOfYear]
38                                 day:[now dayOfMonth]
39                                hour:[reset_session_timer_time hourOfDay]
40                              minute:[reset_session_timer_time minuteOfHour]
41                              second:0
42                            timeZone:[NSTimeZone systemTimeZone]];
43    if ([now compare:reset] != NSOrderedAscending)
44        reset = [reset dateByAddingYears:0 months:0 days:1 hours:0 minutes:0 seconds:0];
45    reset_session_date = [reset timeIntervalSinceReferenceDate];
46}
47
48// bindings methods
49- (void)setMicro_pause_duration:(float)f
50{
51        micro_pause_duration = round(f);
52        if (s_taking_micro_pause == state) {
53                [progress setMaxValue:micro_pause_duration];
54                [progress setDoubleValue:micro_pause_taking_t];
55        }
56}
57
58- (void)setMicro_pause_period:(float)f
59{       micro_pause_period = 60 * round(f); }
60
61- (void)setWork_break_duration:(float)f
62{   
63        work_break_duration = 60 * round(f);
64        if (s_taking_work_break == state) {
65                [progress setMaxValue:work_break_duration / 60];
66                [progress setDoubleValue:work_break_taking_t / 60 - 0.5];
67        }
68}
69
70- (void)setWork_break_period:(float)f
71{       work_break_period = 60 * round(f); }
72
73- (void)setReset_session_timer_time:(NSDate *)d;
74{
75    if (reset_session_timer_time != nil)
76        [reset_session_timer_time autorelease];
77    reset_session_timer_time = [[NSCalendarDate alloc] initWithTimeIntervalSinceReferenceDate:[d timeIntervalSinceReferenceDate]];
78    [reset_session_timer_time setTimeZone:[NSTimeZone timeZoneForSecondsFromGMT:0]];
79    [self computeResetSessionDate];
80}
81
82- (void)installTimer:(double)interval
83{
84        if (mtimer != nil) {
85                [mtimer invalidate];
86                [mtimer autorelease];
87        }
88        mtimer = [[NSTimer scheduledTimerWithTimeInterval:interval target:self selector:@selector(tick:)
89                                             userInfo:nil repeats:YES] retain];
90}
91
92- (void)setSample_interval:(NSString *)s
93{
94        sample_interval = 1;
95        if ([s isEqualToString:@"Super Smooth"]) sample_interval = 0.1;
96        if ([s isEqualToString:@"Smooth"]) sample_interval = 0.33;
97        if ([s isEqualToString:@"Normal"]) sample_interval = 1;
98        if ([s isEqualToString:@"Low"]) sample_interval = 2;
99       
100        [self installTimer:sample_interval];
101}
102
103- (void)setDraw_dock_image:(BOOL)b
104{
105        draw_dock_image=b;
106        if (!b) {
107                [NSApp setApplicationIconImage:[NSImage imageNamed:@"AntiRSI"]];
108        } else {
109                [self drawDockImage];
110        }
111}
112
113- (void)setBackground:(NSColor *)c
114{
115        [background autorelease];
116        background=[c retain];
117       
118        // make new darkbackground color
119        float r,g,b,a;
120        [background getRed:&r green:&g blue:&b alpha:&a];
121        [darkbackground autorelease];
122        darkbackground=[[NSColor colorWithCalibratedRed:r*0.35 green:g*0.35 blue:b*0.35 alpha:a+0.2] retain];
123       
124        [self drawDockImage];
125}
126
127- (void)setElapsed:(NSColor *)c
128{
129        [elapsed autorelease];
130        elapsed=[c retain];
131    [dock_badge setBadgeColor:elapsed];
132    badge_session_minutes = -1;
133        [self drawDockImage];
134}
135
136- (void)setTaking:(NSColor *)c
137{
138        [taking autorelease];
139        taking=[c retain];
140        [self drawDockImage];
141}
142
143// end of bindings
144
145- (void)resetTimers;
146{
147        // set timers to 0
148        micro_pause_t = 0;
149        work_break_t = 0;
150        micro_pause_taking_t = 0;
151        work_break_taking_t = 0;
152        work_break_taking_cached_t = 0;
153        work_break_taking_cached_date = 0;
154    session_t = 0;
155}
156
157- (void)awakeFromNib
158{
159        // want transparancy
160        [NSColor setIgnoresAlpha:NO];
161       
162        // initial colors
163        elapsed = [[NSColor colorWithCalibratedRed:0.3 green:0.3 blue:0.9 alpha:0.95] retain];
164        taking = [[NSColor colorWithCalibratedRed:0.3 green:0.9 blue:0.3 alpha:0.90] retain];
165        background = [NSColor colorWithCalibratedRed:0.9 green:0.9 blue:0.9 alpha:0.7];
166       
167        //initial values
168        micro_pause_period = 4*60;
169        micro_pause_duration = 13;
170        work_break_period = 50*60;
171        work_break_duration = 8*60;
172        sample_interval = 1;
173       
174        // set current state
175        state = s_normal;
176    [self resetTimers];
177       
178        // initialize dock image
179        dock_image = [[NSImage alloc] initWithSize:NSMakeSize(128,128)];
180        [dock_image setCacheMode:NSImageCacheNever];
181        original_dock_image = [NSImage imageNamed:@"AntiRSI"];
182        draw_dock_image_q = YES;
183    dock_badge = [[CTBadge systemBadge] retain];
184    [dock_badge setBadgeColor:elapsed];
185       
186        // setup main window that will show either micropause or workbreak
187        main_window = [[NSWindow alloc] initWithContentRect:[view frame]
188                                                                                          styleMask:NSBorderlessWindowMask
189                                                                                                backing:NSBackingStoreBuffered defer:YES];
190        [main_window setBackgroundColor:[NSColor clearColor]];
191        [main_window setLevel:NSStatusWindowLevel];
192        [main_window setAlphaValue:0.85];
193        [main_window setOpaque:NO];
194        [main_window setHasShadow:NO];
195        [main_window setMovableByWindowBackground:YES];
196        [main_window center];
197        [main_window setContentView:view];
198    NSTimeZone *utcZone = [NSTimeZone timeZoneForSecondsFromGMT:0];
199    [reset_session_time setTimeZone:utcZone];
200    [progress setEnabled:NO];
201    NSFont *myriad = [NSFont fontWithName: @"Myriad" size: 40];
202    if (myriad) [status setFont: myriad];
203       
204        // initialze history filter
205        h0 = 0;
206        h1 = 0;
207        h2 = 0;
208       
209        // initialize ticks
210        date = [NSDate timeIntervalSinceReferenceDate];
211       
212        // set background now
213        [self setBackground:background];
214       
215        // create initial values
216        NSUserDefaultsController *dc = [NSUserDefaultsController sharedUserDefaultsController];
217        NSMutableDictionary* initial = [NSMutableDictionary dictionaryWithObjectsAndKeys:
218        [NSNumber numberWithFloat:4], @"micro_pause_period",
219        [NSNumber numberWithFloat:13], @"micro_pause_duration",
220        [NSNumber numberWithFloat:50], @"work_break_period",
221        [NSNumber numberWithFloat:8], @"work_break_duration",
222        @"Smooth", @"sample_interval",
223        [NSNumber numberWithBool:YES], @"draw_dock_image",
224        [NSNumber numberWithBool:YES], @"draw_dock_badge",
225        [NSNumber numberWithBool:NO], @"lock_focus",
226        [NSNumber numberWithBool:NO], @"reset_session_timer_daily",
227        [NSNumber numberWithBool:NO], @"reset_session_timer_after",
228        [NSCalendarDate dateWithYear:2000 month:1 day:1 hour:6 minute:0 second:0 timeZone:utcZone], @"reset_session_timer_time",
229        [NSNumber numberWithInt:8], @"reset_session_timer_after_hours",
230        [NSArchiver archivedDataWithRootObject:elapsed], @"elapsed",
231        [NSArchiver archivedDataWithRootObject:taking], @"taking",
232        [NSArchiver archivedDataWithRootObject:background], @"background",
233        nil];
234    [[NSUserDefaults standardUserDefaults] registerDefaults:initial];
235        [dc setInitialValues:initial];
236
237        // bind to defauls controller
238        [self bind:@"micro_pause_period" toObject:dc withKeyPath:@"values.micro_pause_period" options:nil];
239        [self bind:@"micro_pause_duration" toObject:dc withKeyPath:@"values.micro_pause_duration" options:nil];
240        [self bind:@"work_break_period" toObject:dc withKeyPath:@"values.work_break_period" options:nil];
241        [self bind:@"work_break_duration" toObject:dc withKeyPath:@"values.work_break_duration" options:nil];
242        [self bind:@"sample_interval" toObject:dc withKeyPath:@"values.sample_interval" options:nil];
243        [self bind:@"draw_dock_image" toObject:dc withKeyPath:@"values.draw_dock_image" options:nil];
244    [self bind:@"draw_dock_badge" toObject:dc withKeyPath:@"values.draw_dock_badge" options:nil];
245        [self bind:@"lock_focus" toObject:dc withKeyPath:@"values.lock_focus" options:nil];
246    [self bind:@"reset_session_timer_daily" toObject:dc withKeyPath:@"values.reset_session_timer_daily" options:nil];
247    [self bind:@"reset_session_timer_after" toObject:dc withKeyPath:@"values.reset_session_timer_after" options:nil];
248    [self bind:@"reset_session_timer_time" toObject:dc withKeyPath:@"values.reset_session_timer_time" options:nil];
249    [self bind:@"reset_session_timer_after_hours" toObject:dc withKeyPath:@"values.reset_session_timer_after_hours" options:nil];
250        NSDictionary* unarchive = [NSDictionary dictionaryWithObject:NSUnarchiveFromDataTransformerName forKey:@"NSValueTransformerName"];
251        [self bind:@"elapsed" toObject:dc withKeyPath:@"values.elapsed" options:unarchive];
252        [self bind:@"taking" toObject:dc withKeyPath:@"values.taking" options:unarchive];
253        [self bind:@"background" toObject:dc withKeyPath:@"values.background" options:unarchive];
254   
255        // alert every binding
256        [dc revert:self];
257
258        // start the timer
259        [self installTimer:sample_interval];
260       
261        // about dialog
262        [version setStringValue:[NSString stringWithFormat:@"Version %@", sVersion]];
263}
264
265// tick every second and update status
266- (void)tick:(NSTimer *)timer
267{
268        // calculate time since last tick
269        NSTimeInterval new_date = [NSDate timeIntervalSinceReferenceDate];
270        NSTimeInterval tick_time = new_date - date;
271        date = new_date;
272
273    if (reset_session_timer_daily && date >= reset_session_date) {
274        [self resetSession:nil];
275        [self computeResetSessionDate];
276        return;
277    }
278   
279        // check if we are still on track of normal time, otherwise we might have slept or something
280        if (tick_time > work_break_duration) {
281                // set timers to 0
282                micro_pause_t = 0;
283                work_break_t = 0;
284                micro_pause_taking_t = micro_pause_duration;
285                work_break_taking_t = work_break_duration;
286                if (s_normal != state) {
287                        [self endBreak];
288                }
289                // and do stuff on next tick
290                return;
291        }
292       
293        // just did a whole micropause beyond normal time
294        if (tick_time > micro_pause_duration && s_taking_work_break != state) {
295                // set micro_pause timers to 0
296                micro_pause_t = 0;
297                micro_pause_taking_t = micro_pause_duration;
298                if (s_normal != state) {
299                        [self endBreak];
300                }
301                // and do stuff on next tick
302                return;
303        }
304       
305        // get idle time in seconds
306        CFTimeInterval idle_time = CGSSecondsSinceLastInputEvent(kCGAnyInputEventType);
307    // CFTimeInterval cgs_idle_time = idle_time;
308    // from other people's reverse engineering of this function, on MDD G4s this can return a large positive number when input is in progress
309    if (idle_time >= 18446744000.0) {
310        idle_time = 0;
311    } else if (CGEventSourceSecondsSinceLastEventType != NULL) {
312                CGEventType eventTypes[] = { kCGEventLeftMouseDown, kCGEventLeftMouseUp, kCGEventRightMouseDown, kCGEventRightMouseUp, kCGEventMouseMoved, kCGEventLeftMouseDragged, kCGEventRightMouseDragged, kCGEventKeyDown, kCGEventKeyUp, kCGEventFlagsChanged, kCGEventScrollWheel, kCGEventTabletPointer, kCGEventTabletProximity, kCGEventOtherMouseDown, kCGEventOtherMouseUp, kCGEventOtherMouseDragged, kCGEventNull };
313        CFTimeInterval event_idle_time;
314        idle_time = DBL_MAX;
315        for (CGEventType *eventType = eventTypes ; *eventType != kCGEventNull ; eventType++) {
316            event_idle_time = CGEventSourceSecondsSinceLastEventType(kCGEventSourceStateCombinedSessionState, *eventType);
317            if (event_idle_time < idle_time) idle_time = event_idle_time;
318        }
319    }
320    // NSLog(@"CGEventSource %.2f, CGS %.2f", idle_time, cgs_idle_time);
321   
322    if (reset_session_timer_after && idle_time > reset_session_timer_after_hours * 3600) {
323        [self resetSession:nil];
324        return;
325    }
326   
327        // calculate slack, this gives a sort of 3 history filtered idea.
328        BOOL slack = (h2 + h1 + h0 > 15);
329       
330        // if new event comes in history bumps up
331        if (h0 >= idle_time || idle_time < sample_interval) {
332                h2 = h1;
333                h1 = h0;
334        }
335        h0 = idle_time;
336       
337        switch (state) {
338                case s_normal:
339                        // idle_time needs to be at least 0.3 * micro_pause_duration before kicking in
340                        // but we cut the user some slack based on previous idle_times
341                        if (idle_time <= micro_pause_duration * 0.3 && !slack) {
342                                micro_pause_t += tick_time;
343                                work_break_t += tick_time;
344                if (idle_time < 1) {
345                    session_t += tick_time;
346                }
347                                micro_pause_taking_t = 0;
348                                if (work_break_taking_t > 0) {
349                                        work_break_taking_cached_t = work_break_taking_t;
350                                        work_break_taking_cached_date = date;
351                                }
352                                work_break_taking_t = 0;
353                        } else if (micro_pause_t > 0) {
354                        // oke, leaway is over, increase micro_pause_taking_t unless micro_pause is already over
355                                //micro_pause_t stays put
356                                work_break_t += tick_time;
357                                micro_pause_taking_t += tick_time;
358                                work_break_taking_t = 0;
359                        }
360                       
361                        // if micro_pause_taking_t is above micro_pause_duration, then micro pause is over,
362                        // if still idleing workbreak_taking_t kicks in unless it is already over
363                        if (micro_pause_taking_t >= micro_pause_duration && work_break_t > 0) {
364                                work_break_taking_t += tick_time;
365                                micro_pause_t = 0;
366                        }
367                       
368                        // if work_break_taking_t is above work_break_duration, then work break is over
369                        if (work_break_taking_t >= work_break_duration) {
370                                micro_pause_t = 0;
371                                work_break_t = 0;
372                                // micro_pause_taking_t stays put
373                                // work_break_taking_t stays put
374                        }
375               
376                        // if user needs to take a micro pause
377                        if (micro_pause_t >= micro_pause_period) {
378                                // anticipate next workbreak by not issuing this micro_pause ...
379                                if (work_break_t > work_break_period - (micro_pause_period / 2)) {
380                                        work_break_t = work_break_period;
381                                        [self doWorkBreak];
382                                } else {
383                                        [self doMicroPause];
384                                }
385                        }
386                       
387                        // if user needs to take a work break
388                        if (work_break_t >= work_break_period) {
389                                // stop micro_pause stuff
390                                micro_pause_t = 0;
391                                micro_pause_taking_t = micro_pause_duration;
392                                // and display window
393                                [self doWorkBreak];
394                        }
395                break;
396
397                // taking a micro pause with window
398                case s_taking_micro_pause:
399                        // continue updating timers
400                        micro_pause_taking_t += tick_time;
401                        work_break_t += tick_time;
402                       
403                        // if we don't break, or interrupt the break, reset it
404                        if (idle_time < 1 && !slack) {
405                                micro_pause_taking_t = 0;
406                session_t += tick_time;
407                        }
408                               
409                        // update window
410            [self updateBreakWindowDuration:micro_pause_duration progress:micro_pause_taking_t
411                                  nextBreak:work_break_period - work_break_t];
412
413                        // check if we done enough
414                        if (micro_pause_taking_t > micro_pause_duration) {
415                                micro_pause_t = 0;
416                                [self endBreak];
417                        }
418               
419                        // if workbreak must be run ...
420                        if (work_break_t >= work_break_period) {
421                                // stop micro_pause stuff
422                                micro_pause_t = 0;
423                                micro_pause_taking_t = micro_pause_duration;
424                                // and display window
425                                [self doWorkBreak];
426                        } else {
427                double slip = (micro_pause_duration - micro_pause_taking_t) - (int)(micro_pause_duration - micro_pause_taking_t);
428                [self installTimer: slip < 0.1 ? 1 : slip];
429            }
430                        break;
431               
432                // taking a work break with window
433                case s_taking_work_break:
434                        // increase work_break_taking_t
435                        if (idle_time >= 2 || work_break_taking_t < 3) {
436                                work_break_taking_t += tick_time;
437                        } else if (idle_time < 1) {
438                session_t += tick_time;
439            }
440                       
441                        // draw window
442            [self updateBreakWindowDuration:work_break_duration progress:work_break_taking_t
443                                  nextBreak:work_break_period + work_break_duration - work_break_taking_t];
444
445                        // and check if we done enough
446                        if (work_break_taking_t > work_break_duration) {
447                                micro_pause_t = 0;
448                                micro_pause_taking_t = micro_pause_duration;
449                                work_break_t = 0;
450                                work_break_taking_t = work_break_duration;
451                                [self endBreak];
452                        } else {
453                double slip = (work_break_duration - work_break_taking_t) - (int)(work_break_duration - work_break_taking_t);
454                [self installTimer: slip < 0.1 ? 1 : slip];
455            }
456                        break;
457        }
458       
459        // draw dock image
460        if (draw_dock_image) [self drawDockImage];
461}
462
463// dock image
464- (NSMenu *)applicationDockMenu:(NSApplication *)sender;
465{
466    [session_time_item setTitle:[self sessionTimeString]];
467    return dock_menu;
468}
469
470// draw the dock icon
471- (void)drawDockImage
472{
473        [dock_image lockFocus];
474       
475        // clear all
476        [[NSColor clearColor] set]; 
477        NSRectFill(NSMakeRect(0,0,127,127));
478       
479        NSBezierPath* p;
480        float end;
481       
482        //draw background circle
483        [darkbackground set];
484        p =[NSBezierPath bezierPathWithOvalInRect:NSMakeRect(6,6,115,115)];
485        [p setLineWidth:4];
486        [p stroke];
487       
488        //fill
489        [background set];
490        [[NSBezierPath bezierPathWithOvalInRect:NSMakeRect(8,8,111,111)] fill];
491       
492        //put dot in middle
493        [darkbackground set];
494        [[NSBezierPath bezierPathWithOvalInRect:NSMakeRect(59,59,9,9)] fill];
495
496        // reuse this one
497        p = [NSBezierPath bezierPath];
498
499        // draw work_break
500        [elapsed set];
501        end = 360 - (360.0 / work_break_period * work_break_t - 90);
502        if (end <= 90) end=90.1;
503        [p appendBezierPathWithArcWithCenter:NSMakePoint(63.5, 63.5) radius:40 startAngle:90 endAngle:end clockwise:YES];
504        [p setLineWidth:22];
505        [p stroke];
506       
507        // draw work break taking
508        [taking set];
509        [p removeAllPoints];
510        end = 360 - (360.0 / work_break_duration * work_break_taking_t - 90);
511        if (end <= 90) end=90.1;
512        [p appendBezierPathWithArcWithCenter:NSMakePoint(63.5, 63.5) radius:40 startAngle:90 endAngle:end clockwise:YES];
513        [p setLineWidth:18];
514        [p stroke];
515       
516        // draw micro pause
517        [elapsed set];
518        [p removeAllPoints];
519        end = 360 - (360.0 / micro_pause_period * micro_pause_t - 90);
520        if (end <= 90) end = 90.1;
521        [p appendBezierPathWithArcWithCenter:NSMakePoint(63.5, 63.5) radius:17 startAngle:90 endAngle:end clockwise:YES];
522        [p setLineWidth:22];
523        [p stroke];
524       
525        // draw micro pause taking
526        [taking set];
527        [p removeAllPoints];
528        end = 360 - (360.0 / micro_pause_duration * micro_pause_taking_t - 90);
529        if (end <= 90) end = 90.1;
530        [p appendBezierPathWithArcWithCenter:NSMakePoint(63.5, 63.5) radius:17 startAngle:90 endAngle:end clockwise:YES];
531        [p setLineWidth:18];
532        [p stroke];
533       
534    // draw session time
535    if (draw_dock_badge) {
536        static NSImage *badge = nil;
537        int session_minutes = (int)session_t / 60;
538        if (badge_session_minutes != session_minutes) {
539            if (badge != nil) [badge release];
540            badge = [[dock_badge badgeOverlayImageForString: [NSString stringWithFormat:@"%d:%02d", session_minutes / 60, session_minutes % 60] insetX: 3 y: 3] retain];
541            badge_session_minutes = session_minutes;
542        }
543        [badge compositeToPoint:NSZeroPoint operation:NSCompositeSourceOver];
544    }
545   
546        [dock_image unlockFocus];
547
548        // and set it in the dock check draw_dock_image one last time ...
549        if (draw_dock_image_q) [NSApp setApplicationIconImage:dock_image];
550}
551
552// done with micro pause or work break
553- (void)endBreak
554{
555        [main_window orderOut:NULL];
556        state = s_normal;
557        // reset time interval to user's choice
558        [self installTimer:sample_interval];
559}
560
561// display micro_pause window with appropriate widgets and progress bar
562- (void)doMicroPause
563{
564        micro_pause_taking_t = 0;
565        [status setStringValue:@"Micro Pause"];
566        [progress setMaxValue:micro_pause_duration];
567        [progress setDoubleValue:micro_pause_taking_t];
568    [progress setWarningValue: 1];
569    [progress setCriticalValue: micro_pause_duration];
570        [postpone setHidden:YES];
571        state = s_taking_micro_pause;
572        [self tick: nil];
573        [main_window center];
574        [main_window orderFrontRegardless];
575}
576
577// display work_break window with appropriate widgets and progress bar
578- (void)doWorkBreak
579{
580        work_break_taking_t = 0;
581        // incase you were already having an implicit work break and clicked the take work break now button
582        // not more then 20 seconds ago we took a natural break longer then 0.2 * normal work break duration
583        if (date - work_break_taking_cached_date < 20 && work_break_taking_cached_t > work_break_duration * 0.2) {
584                work_break_taking_t = work_break_taking_cached_t;
585        }
586        [status setStringValue:@"Work Break"];
587        [progress setMaxValue:work_break_duration / 60];
588        [progress setDoubleValue:work_break_taking_t / 60 - 0.5];
589    [progress setWarningValue: 0];
590    [progress setCriticalValue: 0.4];
591        [postpone setHidden:NO];
592        state = s_taking_work_break;
593    [self tick: nil];
594        [main_window center];
595        [main_window orderFrontRegardless];
596}
597
598- (NSString *)sessionTimeString;
599{
600    return [NSString stringWithFormat:@"Session: %d:%02d:%02d", (int)session_t / 3600,
601        ((int)session_t / 60) % 60, lrint(session_t) % 60];
602}
603
604- (void)updateBreakWindowDuration:(double)duration progress:(double)progress_t nextBreak:(double)nextBreak;
605{
606    // progress
607    [progress setDoubleValue:duration >= 60 ? (progress_t / 60 - 0.5) : progress_t];
608   
609    // time left
610    double timeLeft = duration - progress_t;
611        [time setStringValue:[NSString stringWithFormat:@"%d:%02d", (int)timeLeft / 60, lrint(timeLeft) % 60]];
612   
613    // cumulative typing time in this session (e.g. today)
614    [session_time setStringValue:[self sessionTimeString]];
615   
616    // next break
617        int minutes = round(nextBreak / 60.0);
618       
619        // nice hours, minutes ...
620        if (minutes > 60) {
621                [next_break setStringValue:[NSString stringWithFormat:@"next break in %d:%02d hours",
622                        minutes / 60, minutes % 60]];
623        } else {
624                [next_break setStringValue:[NSString stringWithFormat:@"next break in %d minutes", minutes]];
625        }
626
627    // if user likes to be interrupted
628    if (lock_focus) {
629        [NSApp activateIgnoringOtherApps:YES];
630        [main_window makeKeyAndOrderFront:self];
631    }
632}
633
634// goto website
635- (IBAction)gotoWebsite:(id)sender
636{
637        [[NSWorkspace sharedWorkspace] openURL:[NSURL URLWithString:sURL]];
638}
639
640// check for update
641- (IBAction)checkForUpdate:(id)sender
642{
643        NSString *latest_version =
644        [NSString stringWithContentsOfURL: [NSURL URLWithString:sLatestVersionURL]];
645       
646        if (latest_version == Nil) latest_version = @"";
647        latest_version = [latest_version stringByTrimmingCharactersInSet:[NSCharacterSet whitespaceAndNewlineCharacterSet]];
648       
649        if ([latest_version length] == 0) {
650                NSRunInformationalAlertPanel(
651                        @"Unable to Determine",
652                        @"Unable to determine the latest AntiRSI version number.",
653                        @"Ok", nil, nil);
654        } else if ([latest_version compare:sVersion] == NSOrderedDescending) {
655                int r = NSRunInformationalAlertPanel(
656                        @"New Version",
657                        [NSString stringWithFormat:@"A new version (%@) of AntiRSI is available; would you like to go to the website now?", latest_version],
658                        @"Goto Website", @"Cancel", nil);
659                if (r == NSOKButton) {
660                        [[NSWorkspace sharedWorkspace] openURL:[NSURL URLWithString:sURL]];
661                }
662    } else {
663        NSRunInformationalAlertPanel(
664                        @"No Update Available",
665                        @"This is the latest version of AntiRSI.",
666                        @"OK", nil, nil);
667    }
668}
669
670// stop work break and postpone by 10 minutes
671- (IBAction)postpone:(id)sender
672{
673        if (s_taking_work_break == state) {
674                micro_pause_t = 0;
675                micro_pause_taking_t = 0;
676                work_break_taking_t = 0;
677                work_break_taking_cached_t = 0;
678                work_break_t -= 10*60; // decrease with 10 minutes
679                if (work_break_t < 0) work_break_t = 0;
680                [self endBreak];
681        }
682}
683
684- (IBAction)breakNow:(id)sender
685{
686        [self doWorkBreak];
687}
688
689- (IBAction)resetSession:(id)sender;
690{
691    if (s_normal != state) {
692        [self endBreak];
693    }
694    [self resetTimers];
695}
696
697// validate menu items
698- (BOOL)validateMenuItem:(NSMenuItem *)anItem
699{
700        if ([anItem action] == @selector(breakNow:) && state == s_normal)
701                return YES;
702       
703        if ([anItem action] == @selector(postpone:) && state == s_taking_work_break)
704                return YES;
705
706    if ([anItem action] == @selector(resetSession:))
707                return YES;
708
709        if ([anItem action] == @selector(gotoWebsite:))
710                return YES;
711
712    if ([anItem action] == @selector(checkForUpdate:))
713                return YES;
714
715        return NO;
716}
717
718// we are delegate of NSApplication, so we can restore the icon on quit.
719- (void)applicationWillTerminate:(NSNotification *)aNotification
720{
721        // make sure timer doesn't tick once more ...
722        draw_dock_image_q = NO;
723        [mtimer invalidate];
724        [mtimer autorelease];
725        mtimer = nil;
726        [dock_image release];
727        // stupid fix for icon beeing restored ... it is not my fault,
728        // the dock or NSImage or setApplicationIconImage seem to be caching or taking
729        // snapshot or something ... !
730        [NSApp setApplicationIconImage:original_dock_image];
731        [NSThread sleepUntilDate:[NSDate dateWithTimeIntervalSinceNow:0.1]];
732        [NSApp setApplicationIconImage:original_dock_image];
733
734}
735
736@end
737
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