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juce_RelativeTime.cpp
1/*
2 ==============================================================================
3
4 This file is part of the JUCE library.
5 Copyright (c) 2022 - Raw Material Software Limited
6
7 JUCE is an open source library subject to commercial or open-source
8 licensing.
9
10 The code included in this file is provided under the terms of the ISC license
11 http://www.isc.org/downloads/software-support-policy/isc-license. Permission
12 To use, copy, modify, and/or distribute this software for any purpose with or
13 without fee is hereby granted provided that the above copyright notice and
14 this permission notice appear in all copies.
15
16 JUCE IS PROVIDED "AS IS" WITHOUT ANY WARRANTY, AND ALL WARRANTIES, WHETHER
17 EXPRESSED OR IMPLIED, INCLUDING MERCHANTABILITY AND FITNESS FOR PURPOSE, ARE
18 DISCLAIMED.
19
20 ==============================================================================
21*/
22
23 namespace juce
24{
25
26 RelativeTime::RelativeTime (const double secs) noexcept : numSeconds (secs) {}
27 RelativeTime::RelativeTime (const RelativeTime& other) noexcept : numSeconds (other.numSeconds) {}
28 RelativeTime::~RelativeTime() noexcept {}
29
30//==============================================================================
31 RelativeTime RelativeTime::milliseconds (int milliseconds) noexcept { return RelativeTime ((double) milliseconds * 0.001); }
32 RelativeTime RelativeTime::milliseconds (int64 milliseconds) noexcept { return RelativeTime ((double) milliseconds * 0.001); }
33 RelativeTime RelativeTime::seconds (double s) noexcept { return RelativeTime (s); }
34 RelativeTime RelativeTime::minutes (double numberOfMinutes) noexcept { return RelativeTime (numberOfMinutes * 60.0); }
35 RelativeTime RelativeTime::hours (double numberOfHours) noexcept { return RelativeTime (numberOfHours * (60.0 * 60.0)); }
36 RelativeTime RelativeTime::days (double numberOfDays) noexcept { return RelativeTime (numberOfDays * (60.0 * 60.0 * 24.0)); }
37 RelativeTime RelativeTime::weeks (double numberOfWeeks) noexcept { return RelativeTime (numberOfWeeks * (60.0 * 60.0 * 24.0 * 7.0)); }
38
39//==============================================================================
40int64 RelativeTime::inMilliseconds() const noexcept { return (int64) (numSeconds * 1000.0); }
41 double RelativeTime::inMinutes() const noexcept { return numSeconds / 60.0; }
42 double RelativeTime::inHours() const noexcept { return numSeconds / (60.0 * 60.0); }
43 double RelativeTime::inDays() const noexcept { return numSeconds / (60.0 * 60.0 * 24.0); }
44 double RelativeTime::inWeeks() const noexcept { return numSeconds / (60.0 * 60.0 * 24.0 * 7.0); }
45
46//==============================================================================
47 RelativeTime& RelativeTime::operator= (const RelativeTime& other) noexcept { numSeconds = other.numSeconds; return *this; }
48
49 RelativeTime RelativeTime::operator+= (RelativeTime t) noexcept { numSeconds += t.numSeconds; return *this; }
50 RelativeTime RelativeTime::operator-= (RelativeTime t) noexcept { numSeconds -= t.numSeconds; return *this; }
51 RelativeTime RelativeTime::operator+= (double secs) noexcept { numSeconds += secs; return *this; }
52 RelativeTime RelativeTime::operator-= (double secs) noexcept { numSeconds -= secs; return *this; }
53
54JUCE_API RelativeTime JUCE_CALLTYPE operator+ (RelativeTime t1, RelativeTime t2) noexcept { return t1 += t2; }
55JUCE_API RelativeTime JUCE_CALLTYPE operator- (RelativeTime t1, RelativeTime t2) noexcept { return t1 -= t2; }
56
57JUCE_API bool JUCE_CALLTYPE operator== (RelativeTime t1, RelativeTime t2) noexcept
58{
59 return exactlyEqual (t1.inSeconds(), t2.inSeconds());
60}
61
62JUCE_API bool JUCE_CALLTYPE operator!= (RelativeTime t1, RelativeTime t2) noexcept
63{
64 return ! (t1 == t2);
65}
66
67JUCE_API bool JUCE_CALLTYPE operator> (RelativeTime t1, RelativeTime t2) noexcept { return t1.inSeconds() > t2.inSeconds(); }
68JUCE_API bool JUCE_CALLTYPE operator< (RelativeTime t1, RelativeTime t2) noexcept { return t1.inSeconds() < t2.inSeconds(); }
69JUCE_API bool JUCE_CALLTYPE operator>= (RelativeTime t1, RelativeTime t2) noexcept { return t1.inSeconds() >= t2.inSeconds(); }
70JUCE_API bool JUCE_CALLTYPE operator<= (RelativeTime t1, RelativeTime t2) noexcept { return t1.inSeconds() <= t2.inSeconds(); }
71
72//==============================================================================
73 static String translateTimeField (int n, const char* singular, const char* plural)
74{
75 return TRANS (n == 1 ? singular : plural).replace (n == 1 ? "1" : "2", String (n));
76}
77
78 static String describeYears (int n) { return translateTimeField (n, NEEDS_TRANS ("1 year"), NEEDS_TRANS ("2 years")); }
79 static String describeMonths (int n) { return translateTimeField (n, NEEDS_TRANS ("1 month"), NEEDS_TRANS ("2 months")); }
80 static String describeWeeks (int n) { return translateTimeField (n, NEEDS_TRANS ("1 week"), NEEDS_TRANS ("2 weeks")); }
81 static String describeDays (int n) { return translateTimeField (n, NEEDS_TRANS ("1 day"), NEEDS_TRANS ("2 days")); }
82 static String describeHours (int n) { return translateTimeField (n, NEEDS_TRANS ("1 hr"), NEEDS_TRANS ("2 hrs")); }
83 static String describeMinutes (int n) { return translateTimeField (n, NEEDS_TRANS ("1 min"), NEEDS_TRANS ("2 mins")); }
84 static String describeSeconds (int n) { return translateTimeField (n, NEEDS_TRANS ("1 sec"), NEEDS_TRANS ("2 secs")); }
85
86 String RelativeTime::getApproximateDescription() const
87{
88 if (numSeconds <= 1.0)
89 return "< 1 sec";
90
91 auto weeks = (int) inWeeks();
92
93 if (weeks > 52) return describeYears (weeks / 52);
94 if (weeks > 8) return describeMonths ((weeks * 12) / 52);
95 if (weeks > 1) return describeWeeks (weeks);
96
97 auto days = (int) inDays();
98
99 if (days > 1)
100 return describeDays (days);
101
102 auto hours = (int) inHours();
103
104 if (hours > 0)
105 return describeHours (hours);
106
107 auto minutes = (int) inMinutes();
108
109 if (minutes > 0)
110 return describeMinutes (minutes);
111
112 return describeSeconds ((int) numSeconds);
113}
114
115 String RelativeTime::getDescription (const String& returnValueForZeroTime) const
116{
117 if (std::abs (numSeconds) < 0.001)
118 return returnValueForZeroTime;
119
120 if (numSeconds < 0)
121 return "-" + RelativeTime (-numSeconds).getDescription();
122
123 StringArray fields;
124
125 auto n = (int) inWeeks();
126
127 if (n > 0)
128 fields.add (describeWeeks (n));
129
130 n = ((int) inDays()) % 7;
131
132 if (n > 0)
133 fields.add (describeDays (n));
134
135 if (fields.size() < 2)
136 {
137 n = ((int) inHours()) % 24;
138
139 if (n > 0)
140 fields.add (describeHours (n));
141
142 if (fields.size() < 2)
143 {
144 n = ((int) inMinutes()) % 60;
145
146 if (n > 0)
147 fields.add (describeMinutes (n));
148
149 if (fields.size() < 2)
150 {
151 n = ((int) inSeconds()) % 60;
152
153 if (n > 0)
154 fields.add (describeSeconds (n));
155
156 if (fields.isEmpty())
157 fields.add (String (((int) inMilliseconds()) % 1000) + " " + TRANS ("ms"));
158 }
159 }
160 }
161
162 return fields.joinIntoString (" ");
163}
164
165} // namespace juce
juce::RelativeTime
Definition juce_RelativeTime.h:37
juce::RelativeTime::inMilliseconds
int64 inMilliseconds() const noexcept
Definition juce_RelativeTime.cpp:40
juce::RelativeTime::minutes
static RelativeTime minutes(double numberOfMinutes) noexcept
Definition juce_RelativeTime.cpp:34
juce::RelativeTime::inWeeks
double inWeeks() const noexcept
Definition juce_RelativeTime.cpp:44
juce::RelativeTime::getDescription
String getDescription(const String &returnValueForZeroTime="0") const
Definition juce_RelativeTime.cpp:115
juce::RelativeTime::inDays
double inDays() const noexcept
Definition juce_RelativeTime.cpp:43
juce::RelativeTime::inHours
double inHours() const noexcept
Definition juce_RelativeTime.cpp:42
juce::RelativeTime::milliseconds
static RelativeTime milliseconds(int milliseconds) noexcept
Definition juce_RelativeTime.cpp:31
juce::RelativeTime::inSeconds
double inSeconds() const noexcept
Definition juce_RelativeTime.h:101
juce::RelativeTime::~RelativeTime
~RelativeTime() noexcept
Definition juce_RelativeTime.cpp:28
juce::RelativeTime::hours
static RelativeTime hours(double numberOfHours) noexcept
Definition juce_RelativeTime.cpp:35
juce::RelativeTime::days
static RelativeTime days(double numberOfDays) noexcept
Definition juce_RelativeTime.cpp:36
juce::RelativeTime::operator=
RelativeTime & operator=(const RelativeTime &other) noexcept
Definition juce_RelativeTime.cpp:47
juce::RelativeTime::operator+=
RelativeTime operator+=(RelativeTime timeToAdd) noexcept
Definition juce_RelativeTime.cpp:49
juce::RelativeTime::operator-=
RelativeTime operator-=(RelativeTime timeToSubtract) noexcept
Definition juce_RelativeTime.cpp:50
juce::RelativeTime::getApproximateDescription
String getApproximateDescription() const
Definition juce_RelativeTime.cpp:86
juce::RelativeTime::weeks
static RelativeTime weeks(double numberOfWeeks) noexcept
Definition juce_RelativeTime.cpp:37
juce::RelativeTime::seconds
static RelativeTime seconds(double seconds) noexcept
Definition juce_RelativeTime.cpp:33
juce::RelativeTime::RelativeTime
RelativeTime(double seconds=0.0) noexcept
Definition juce_RelativeTime.cpp:26
juce::RelativeTime::inMinutes
double inMinutes() const noexcept
Definition juce_RelativeTime.cpp:41
juce::StringArray
Definition juce_StringArray.h:35
juce::StringArray::joinIntoString
String joinIntoString(StringRef separatorString, int startIndex=0, int numberOfElements=-1) const
Definition juce_StringArray.cpp:289
juce::StringArray::size
int size() const noexcept
Definition juce_StringArray.h:136
juce::StringArray::add
void add(String stringToAdd)
Definition juce_StringArray.cpp:136
juce::StringArray::isEmpty
bool isEmpty() const noexcept
Definition juce_StringArray.h:139
juce::String
Definition juce_String.h:53