source: trunk/Cocoa/Pester/Source/PSAlarm.m@ 429

Last change on this file since 429 was 366, checked in by Nicholas Riley, 17 years ago

Info-Pester.plist: Updated for build 23.

NJRHotKey.m: Cosmetic cleanup.

PSAlarm.[hm]: Fix -[PSAlarm time] to work properly, though it no
longer has any clients.

PSSnoozeUntilController.m: Fix snooze until time being off by an hour
as displayed, or if edited, in some time zones.

PSSpeechAlert.m: Display the voice name instead of its identifier in
the description.

Pester.xcodeproj: Misc.

release-notes.html: Updated for build 23.

File size: 19.6 KB
Line 
1//
2// PSAlarm.m
3// Pester
4//
5// Created by Nicholas Riley on Wed Oct 09 2002.
6// Copyright (c) 2002 Nicholas Riley. All rights reserved.
7//
8
9#import "PSAlarm.h"
10#import "PSAlert.h"
11#import "PSAlerts.h"
12#import "PSTimer.h"
13#import "NSCalendarDate-NJRExtensions.h"
14#import "NSDictionary-NJRExtensions.h"
15#import "NSString-NJRExtensions.h"
16
17NSString * const PSAlarmTimerSetNotification = @"PSAlarmTimerSetNotification";
18NSString * const PSAlarmTimerExpiredNotification = @"PSAlarmTimerExpiredNotification";
19NSString * const PSAlarmDiedNotification = @"PSAlarmDiedNotification";
20
21// property list keys
22static NSString * const PLAlarmType = @"type"; // NSString
23static NSString * const PLAlarmDate = @"date"; // NSNumber
24static NSString * const PLAlarmInterval = @"interval"; // NSNumber
25static NSString * const PLAlarmSnoozeInterval = @"snooze interval"; // NSNumber
26static NSString * const PLAlarmMessage = @"message"; // NSString
27static NSString * const PLAlarmAlerts = @"alerts"; // NSDictionary
28static NSString * const PLAlarmRepeating = @"repeating"; // NSNumber
29
30static NSDateFormatter *dateFormatter, *shortDateFormatter, *timeFormatter;
31
32@implementation PSAlarm
33
34#pragma mark initialize-release
35
36+ (void)initialize;
37{
38 [NSDateFormatter setDefaultFormatterBehavior: NSDateFormatterBehavior10_4];
39 dateFormatter = [[NSDateFormatter alloc] init];
40 [dateFormatter setTimeStyle: NSDateFormatterNoStyle];
41 [dateFormatter setDateStyle: NSDateFormatterFullStyle];
42 shortDateFormatter = [[NSDateFormatter alloc] init];
43 [shortDateFormatter setTimeStyle: NSDateFormatterNoStyle];
44 [shortDateFormatter setDateStyle: NSDateFormatterShortStyle];
45 timeFormatter = [[NSDateFormatter alloc] init];
46 [timeFormatter setTimeStyle: NSDateFormatterMediumStyle];
47 [timeFormatter setDateStyle: NSDateFormatterNoStyle];
48}
49
50- (void)dealloc;
51{
52 // NSLog(@"DEALLOC %@", self);
53 alarmType = PSAlarmInvalid;
54 [alarmDate release]; alarmDate = nil;
55 [alarmMessage release]; alarmMessage = nil;
56 [invalidMessage release]; invalidMessage = nil;
57 [timer invalidate]; [timer release]; timer = nil;
58 [alerts release]; alerts = nil;
59 [super dealloc];
60}
61
62#pragma mark private
63
64- (void)_setAlarmDate:(NSCalendarDate *)aDate;
65{
66 if (alarmDate != aDate) {
67 [alarmDate release];
68 alarmDate = nil;
69 alarmDate = [aDate retain];
70 }
71}
72
73- (void)_beInvalid:(NSString *)aMessage;
74{
75 alarmType = PSAlarmInvalid;
76 if (aMessage != invalidMessage) {
77 [invalidMessage release];
78 invalidMessage = nil;
79 [self _setAlarmDate: nil];
80 alarmInterval = 0;
81 invalidMessage = [aMessage retain];
82 }
83}
84
85- (void)_beValidWithType:(PSAlarmType)type;
86{
87 if (alarmType == PSAlarmSet) return; // already valid
88 [invalidMessage release];
89 invalidMessage = nil;
90 alarmType = type;
91 if (type != PSAlarmInterval) [self setRepeating: NO];
92}
93
94- (void)_setDateFromInterval;
95{
96 [self _setAlarmDate: [NSCalendarDate dateWithTimeIntervalSinceNow: alarmInterval]];
97 [self _beValidWithType: PSAlarmInterval];
98}
99
100- (void)_setIntervalFromDate;
101{
102 alarmInterval = [alarmDate timeIntervalSinceNow];
103 if (alarmInterval <= 0) {
104 [self _beInvalid: @"Please specify an alarm time in the future."];
105 return;
106 }
107 [self _beValidWithType: PSAlarmDate];
108}
109
110- (PSAlarmType)_alarmTypeForString:(NSString *)string;
111{
112 if ([string isEqualToString: @"PSAlarmDate"]) return PSAlarmDate;
113 if ([string isEqualToString: @"PSAlarmInterval"]) return PSAlarmInterval;
114 if ([string isEqualToString: @"PSAlarmSet"]) return PSAlarmSet;
115 if ([string isEqualToString: @"PSAlarmInvalid"]) return PSAlarmInvalid;
116 if ([string isEqualToString: @"PSAlarmSnooze"]) return PSAlarmSnooze;
117 if ([string isEqualToString: @"PSAlarmExpired"]) return PSAlarmExpired;
118 NSLog(@"unknown alarm type string: %@", string);
119 return nil;
120}
121
122- (NSString *)_alarmTypeString;
123{
124 switch (alarmType) {
125 case PSAlarmDate: return @"PSAlarmDate";
126 case PSAlarmInterval: return @"PSAlarmInterval";
127 case PSAlarmSet: return @"PSAlarmSet";
128 case PSAlarmInvalid: return @"PSAlarmInvalid";
129 case PSAlarmSnooze: return @"PSAlarmSnooze";
130 case PSAlarmExpired: return @"PSAlarmExpired";
131 default: return [NSString stringWithFormat: @"<unknown: %u>", alarmType];
132 }
133}
134
135- (NSString *)_stringForInterval:(unsigned long long)interval;
136{
137 const unsigned long long minute = 60, hour = minute * 60, day = hour * 24, year = day * 365.26;
138 // +[NSString stringWithFormat:] in 10.1 does not support long longs: work around it by converting to unsigned ints or longs for display
139 if (interval == 0) return nil;
140 if (interval < minute) return [NSString stringWithFormat: @"%us", (unsigned)interval];
141 if (interval < hour) return [NSString stringWithFormat: @"%um", (unsigned)(interval / minute)];
142 if (interval < day) return [NSString stringWithFormat: @"%uh %um", (unsigned)(interval / hour), (unsigned)((interval % hour) / minute)];
143 if (interval < 2 * day) return @"One day";
144 if (interval < year) return [NSString stringWithFormat: @"%u days", (unsigned)(interval / day)];
145 if (interval < 2 * year) return @"One year";
146 return [NSString stringWithFormat: @"%lu years", (unsigned long)(interval / year)];
147}
148
149- (void)_timerExpired:(PSTimer *)aTimer;
150{
151 NSLog(@"expired: %@; now %@", [[aTimer fireDate] description], [[NSDate date] description]);
152 alarmType = PSAlarmExpired;
153 [[NSNotificationCenter defaultCenter] postNotificationName: PSAlarmTimerExpiredNotification object: self];
154 [timer release]; timer = nil;
155}
156
157#pragma mark alarm setting
158
159- (void)setInterval:(NSTimeInterval)anInterval;
160{
161 alarmInterval = anInterval;
162 if (alarmInterval <= 0) {
163 [self _beInvalid: @"Please specify an alarm interval."]; return;
164 }
165 [self _setDateFromInterval];
166}
167
168- (void)setForDateAtTime:(NSCalendarDate *)dateTime;
169{
170 [self _setAlarmDate: dateTime];
171 [self _setIntervalFromDate];
172}
173
174- (void)setForDate:(NSDate *)date atTime:(NSDate *)time;
175{
176 NSCalendarDate *dateTime;
177 if (time == nil && date == nil) {
178 [self _beInvalid: @"Please specify an alarm date and time."]; return;
179 }
180 if (time == nil) {
181 [self _beInvalid: @"Please specify an alarm time."]; return;
182 }
183 if (date == nil) {
184 [self _beInvalid: @"Please specify an alarm date."]; return;
185 }
186 // XXX if calTime's date is different from the default date, complain
187 dateTime = [NSCalendarDate dateWithDate: date atTime: time];
188 if (dateTime == nil) {
189 [self _beInvalid: @"Please specify a reasonable date and time."]; return;
190 }
191 [self setForDateAtTime: dateTime];
192}
193
194- (void)setRepeating:(BOOL)isRepeating;
195{
196 repeating = isRepeating;
197}
198
199- (void)setSnoozeInterval:(NSTimeInterval)anInterval;
200{
201 snoozeInterval = anInterval;
202 NSAssert(alarmType == PSAlarmExpired, NSLocalizedString(@"Can't snooze an alarm that hasn't expired", "Assertion for PSAlarm snooze setting"));
203 alarmType = PSAlarmSnooze;
204}
205
206- (void)setWakeUp:(BOOL)doWake;
207{
208 [timer setWakeUp: doWake];
209}
210
211#pragma mark accessing
212
213- (NSString *)message;
214{
215 if (alarmMessage == nil || [alarmMessage isEqualToString: @""])
216 return @"Alarm!";
217 return alarmMessage;
218}
219
220- (void)setMessage:(NSString *)aMessage;
221{
222 if (aMessage != alarmMessage) {
223 [alarmMessage release];
224 alarmMessage = nil;
225 alarmMessage = [aMessage retain];
226 }
227}
228
229- (BOOL)isValid;
230{
231 if (alarmType == PSAlarmDate) [self _setIntervalFromDate];
232 if (alarmType == PSAlarmInvalid ||
233 (alarmType == PSAlarmExpired && ![self isRepeating])) return NO;
234 return YES;
235}
236
237- (NSString *)invalidMessage;
238{
239 if (invalidMessage == nil) return @"";
240 return invalidMessage;
241}
242
243- (NSCalendarDate *)date;
244{
245 if (alarmType == PSAlarmInterval) [self _setDateFromInterval];
246 return alarmDate;
247}
248
249- (NSDate *)time;
250{
251 // XXX this works, but the result is unlikely to be useful until we move away from NSCalendarDate elsewhere
252 if (alarmType == PSAlarmInterval) [self _setDateFromInterval];
253
254 NSCalendar *calendar = [NSCalendar currentCalendar];
255
256 return [calendar dateFromComponents:
257 [calendar components: NSHourCalendarUnit|NSMinuteCalendarUnit|NSSecondCalendarUnit fromDate: alarmDate]];
258}
259
260- (NSTimeInterval)interval;
261{
262 if (alarmType == PSAlarmDate) [self _setIntervalFromDate];
263 return alarmInterval;
264}
265
266- (NSTimeInterval)snoozeInterval;
267{
268 return snoozeInterval;
269}
270
271- (NSTimeInterval)timeRemaining;
272{
273 NSAssert1(alarmType == PSAlarmSet, NSLocalizedString(@"Can't get time remaining on alarm with no timer set: %@", "Assertion for PSAlarm time remaining, internal error; %@ replaced by alarm description"), self);
274 return -[[NSDate date] timeIntervalSinceDate: alarmDate];
275}
276
277- (void)setAlerts:(PSAlerts *)theAlerts;
278{
279 [alerts release]; alerts = nil;
280 alerts = [theAlerts retain];
281}
282
283- (PSAlerts *)alerts;
284{
285 if (alerts == nil) alerts = [[PSAlerts alloc] init];
286 return alerts;
287}
288
289- (BOOL)isRepeating;
290{
291 return repeating;
292}
293
294- (NSString *)dateString;
295{
296 return [dateFormatter stringFromDate: [self date]];
297}
298
299- (NSString *)shortDateString;
300{
301 return [shortDateFormatter stringFromDate: [self date]];
302}
303
304- (NSString *)timeString;
305{
306 return [timeFormatter stringFromDate: [self date]];
307}
308
309- (NSString *)dateTimeString;
310{
311 return [NSString stringWithFormat: @"%@ at %@", [self dateString], [self timeString]];
312}
313
314- (NSString *)nextDateTimeString;
315{
316 if (![self isRepeating]) {
317 return nil;
318 } else {
319 NSCalendarDate *date = [[NSCalendarDate alloc] initWithTimeIntervalSinceNow: [self interval]];
320 NSString *nextDateTimeString = [NSString stringWithFormat: @"%@ at %@",
321 [dateFormatter stringFromDate: date],
322 [timeFormatter stringFromDate: date]];
323 [date release];
324 return nextDateTimeString;
325 }
326}
327
328- (NSString *)intervalString;
329{
330 const unsigned long long mval = 99, minute = 60, hour = minute * 60;
331 unsigned long long interval = [self interval];
332 if (interval == 0) return nil;
333 if (interval == 1) return @"One second";
334 if (interval == minute) return @"One minute";
335 if (interval % minute == 0) return [NSString stringWithFormat: @"%u minutes", (unsigned)(interval / minute)];
336 if (interval <= mval) return [NSString stringWithFormat: @"%u seconds", (unsigned)interval];
337 if (interval == hour) return @"One hour";
338 if (interval % hour == 0) return [NSString stringWithFormat: @"%u hours", (unsigned)(interval / hour)];
339 if (interval <= mval * minute) return [NSString stringWithFormat: @"%u minutes", (unsigned)(interval / minute)];
340 if (interval <= mval * hour) return [NSString stringWithFormat: @"%u hours", (unsigned)(interval / hour)];
341 return [self _stringForInterval: interval];
342}
343
344- (NSString *)timeRemainingString;
345{
346 NSString *timeRemainingString = [self _stringForInterval: llround([self timeRemaining])];
347
348 if (timeRemainingString == nil) return @"«expired»";
349 return timeRemainingString;
350}
351
352- (NSAttributedString *)prettyDescription;
353{
354 NSMutableAttributedString *string = [[NSMutableAttributedString alloc] init];
355 NSAttributedString *alertList = [alerts prettyList];
356
357 [string appendAttributedString:
358 [[NSString stringWithFormat: NSLocalizedString(@"At alarm time for '%@':\n", "Alert list title in pretty description, %@ replaced with message"), [self message]] small]];
359 if (alertList != nil) {
360 [string appendAttributedString: alertList];
361 } else {
362 [string appendAttributedString: [@"Do nothing." small]];
363 }
364 if ([self isRepeating]) {
365 [string appendAttributedString:
366 [[NSString stringWithFormat: @"\nAlarm repeats every %@.", [[self intervalString] lowercaseString]] small]];
367 }
368 return [string autorelease];
369}
370
371#pragma mark actions
372
373- (BOOL)setTimer;
374{
375 if (alarmType == PSAlarmExpired) {
376 if ([self isRepeating]) {
377 [self _setDateFromInterval];
378 } else {
379 [[NSNotificationCenter defaultCenter] postNotificationName: PSAlarmDiedNotification object: self];
380 return NO;
381 }
382 } else if (alarmType == PSAlarmDate) {
383 if (![self isValid]) return NO;
384 } else if (alarmType == PSAlarmSnooze) {
385 [self _setAlarmDate: [NSCalendarDate dateWithTimeIntervalSinceNow: snoozeInterval]];
386 } else if (alarmType != PSAlarmInterval) {
387 return NO;
388 }
389 timer = [PSTimer scheduledTimerWithTimeInterval: (alarmType == PSAlarmSnooze ? snoozeInterval : alarmInterval) target: self selector: @selector(_timerExpired:) userInfo: nil repeats: NO];
390 if (timer == nil) return NO;
391 [timer retain];
392 alarmType = PSAlarmSet;
393 [alerts prepareForAlarm: self];
394
395 [[NSNotificationCenter defaultCenter] postNotificationName: PSAlarmTimerSetNotification object: self];
396 // NSLog(@"set: %@; now %@; remaining %@", [[timer fireDate] description], [[NSDate date] description], [self timeRemainingString]);
397 return YES;
398}
399
400- (void)cancelTimer;
401{
402 [timer invalidate]; [timer release]; timer = nil;
403}
404
405- (void)resetTimer;
406{
407 if (timer != nil || alarmType != PSAlarmSet)
408 return;
409
410 alarmType = PSAlarmDate;
411 if (![self isRepeating]) {
412 [self setTimer];
413 } else {
414 // don't want to put this logic in setTimer or isValid because it can cause invalid alarms to be set (consider when someone clicks the "repeat" checkbox, then switches to a [nonrepeating, by design] date alarm, and enters a date that has passed: we do -not- want the alarm to magically morph into a repeating interval alarm)
415 NSTimeInterval savedInterval = alarmInterval;
416 if ([self setTimer]) {
417 // alarm is set, but not repeating - and the interval is wrong because it was computed from the date
418 alarmInterval = savedInterval;
419 [self setRepeating: YES];
420 } else {
421 // alarm is now invalid: expired in the past, so we start the timer over again
422 // We could potentially start counting from the expiration date (or expiration date + n * interval), but this doesn't match our existing behavior.
423 alarmType = PSAlarmInterval;
424 [self setInterval: savedInterval];
425 [self setTimer];
426 }
427 }
428}
429
430#pragma mark comparing
431
432- (NSComparisonResult)compareDate:(PSAlarm *)otherAlarm;
433{
434 return [[self date] compare: [otherAlarm date]];
435}
436
437- (NSComparisonResult)compareMessage:(PSAlarm *)otherAlarm;
438{
439 return [[self message] caseInsensitiveCompare: [otherAlarm message]];
440}
441
442#pragma mark printing
443
444- (NSString *)description;
445{
446 return [NSString stringWithFormat: @"%@: type %@ date %@ interval %.1f%@%@",
447 [super description], [self _alarmTypeString], alarmDate, alarmInterval,
448 (repeating ? @" repeating" : @""),
449 (alarmType == PSAlarmInvalid ?
450 [NSString stringWithFormat: @"\ninvalid message: %@", invalidMessage]
451 : (alarmType == PSAlarmSet ?
452 [NSString stringWithFormat: @"\ntimer: %@", timer] : @""))];
453}
454
455#pragma mark property list serialization (Pester 1.1)
456
457- (NSDictionary *)propertyListRepresentation;
458{
459 NSMutableDictionary *dict = [NSMutableDictionary dictionaryWithCapacity: 5];
460 if (![self isValid]) return nil;
461 [dict setObject: [self _alarmTypeString] forKey: PLAlarmType];
462 switch (alarmType) {
463 case PSAlarmDate:
464 case PSAlarmSet:
465 [dict setObject: [NSNumber numberWithDouble: [alarmDate timeIntervalSinceReferenceDate]] forKey: PLAlarmDate];
466 case PSAlarmSnooze:
467 case PSAlarmInterval:
468 case PSAlarmExpired:
469 break;
470 default:
471 NSAssert1(NO, NSLocalizedString(@"Can't save alarm type %@", "Assertion for invalid PSAlarm type on string; %@ replaced with alarm type string"), [self _alarmTypeString]);
472 break;
473 }
474 if ((alarmType != PSAlarmSet || repeating) && alarmType != PSAlarmDate) {
475 [dict setObject: [NSNumber numberWithBool: repeating] forKey: PLAlarmRepeating];
476 [dict setObject: [NSNumber numberWithDouble: alarmInterval] forKey: PLAlarmInterval];
477 }
478 if (snoozeInterval != 0)
479 [dict setObject: [NSNumber numberWithDouble: snoozeInterval] forKey: PLAlarmSnoozeInterval];
480 [dict setObject: alarmMessage forKey: PLAlarmMessage];
481 if (alerts != nil) {
482 [dict setObject: [alerts propertyListRepresentation] forKey: PLAlarmAlerts];
483 }
484 return dict;
485}
486
487- (id)initWithPropertyList:(NSDictionary *)dict;
488{
489 if ( (self = [self init]) != nil) {
490 PSAlerts *alarmAlerts;
491 alarmType = [self _alarmTypeForString: [dict objectForRequiredKey: PLAlarmType]];
492 switch (alarmType) {
493 case PSAlarmDate:
494 case PSAlarmSet:
495 { NSCalendarDate *date = [[NSCalendarDate alloc] initWithTimeIntervalSinceReferenceDate: [[dict objectForRequiredKey: PLAlarmDate] doubleValue]];
496 [self _setAlarmDate: date];
497 [date release];
498 }
499 break;
500 case PSAlarmSnooze: // snooze interval set but not confirmed; ignore
501 alarmType = PSAlarmExpired;
502 case PSAlarmInterval:
503 case PSAlarmExpired:
504 break;
505 default:
506 NSAssert1(NO, NSLocalizedString(@"Can't load alarm type %@", "Assertion for invalid PSAlarm type on load; %@ replaced with alarm type string"), [self _alarmTypeString]);
507 break;
508 }
509 repeating = [[dict objectForKey: PLAlarmRepeating] boolValue];
510 if ((alarmType != PSAlarmSet || repeating) && alarmType != PSAlarmDate)
511 alarmInterval = [[dict objectForRequiredKey: PLAlarmInterval] doubleValue];
512 snoozeInterval = [[dict objectForKey: PLAlarmSnoozeInterval] doubleValue];
513 [self setMessage: [dict objectForRequiredKey: PLAlarmMessage]];
514 alarmAlerts = [[PSAlerts alloc] initWithPropertyList: [dict objectForRequiredKey: PLAlarmAlerts]];
515 [self setAlerts: alarmAlerts];
516 [alarmAlerts release];
517 [self resetTimer];
518 if (alarmType == PSAlarmExpired) {
519 [self setTimer];
520 if (alarmType == PSAlarmExpired) { // failed to restart
521 [self release];
522 self = nil;
523 }
524 }
525 }
526 return self;
527}
528
529#pragma mark archiving (Pester 1.0)
530
531- (void)encodeWithCoder:(NSCoder *)coder;
532{
533 if (![self isValid]) return;
534 [coder encodeValueOfObjCType: @encode(PSAlarmType) at: &alarmType];
535 switch (alarmType) {
536 case PSAlarmDate:
537 case PSAlarmSet:
538 [coder encodeObject: alarmDate];
539 break;
540 case PSAlarmInterval:
541 [coder encodeValueOfObjCType: @encode(NSTimeInterval) at: &alarmInterval];
542 break;
543 default:
544 break;
545 }
546 [coder encodeObject: alarmMessage];
547 // NSLog(@"encoded: %@", self); // XXX happening twice, gdb refuses to show proper backtrace, grr
548 return;
549}
550
551- (id)initWithCoder:(NSCoder *)coder;
552{
553 if ( (self = [self init]) != nil) {
554 PSAlerts *legacyAlerts = [[PSAlerts alloc] initWithPesterVersion1Alerts];
555 [self setAlerts: legacyAlerts];
556 [legacyAlerts release];
557 [coder decodeValueOfObjCType: @encode(PSAlarmType) at: &alarmType];
558 switch (alarmType) {
559 case PSAlarmDate:
560 case PSAlarmSet:
561 [self _setAlarmDate: [coder decodeObject]];
562 break;
563 case PSAlarmInterval:
564 [coder decodeValueOfObjCType: @encode(NSTimeInterval) at: &alarmInterval];
565 break;
566 default:
567 break;
568 }
569 [self setMessage: [coder decodeObject]];
570 if (alarmType == PSAlarmSet)
571 alarmType = PSAlarmDate;
572 // Note: the timer is not set here, so these alarms are inert.
573 // This helps make importing atomic (see -[PSAlarms importVersion1Alarms])
574 }
575 return self;
576}
577
578@end
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