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juce_RelativeTime.cpp
1/*
2 ==============================================================================
3
4 This file is part of the JUCE library.
5 Copyright (c) 2017 - ROLI Ltd.
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 (milliseconds * 0.001); }
32 RelativeTime RelativeTime::milliseconds (int64 milliseconds) noexcept { return RelativeTime (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 { return t1.inSeconds() == t2.inSeconds(); }
58JUCE_API bool JUCE_CALLTYPE operator!= (RelativeTime t1, RelativeTime t2) noexcept { return t1.inSeconds() != t2.inSeconds(); }
59JUCE_API bool JUCE_CALLTYPE operator> (RelativeTime t1, RelativeTime t2) noexcept { return t1.inSeconds() > t2.inSeconds(); }
60JUCE_API bool JUCE_CALLTYPE operator< (RelativeTime t1, RelativeTime t2) noexcept { return t1.inSeconds() < t2.inSeconds(); }
61JUCE_API bool JUCE_CALLTYPE operator>= (RelativeTime t1, RelativeTime t2) noexcept { return t1.inSeconds() >= t2.inSeconds(); }
62JUCE_API bool JUCE_CALLTYPE operator<= (RelativeTime t1, RelativeTime t2) noexcept { return t1.inSeconds() <= t2.inSeconds(); }
63
64//==============================================================================
65 static String translateTimeField (int n, const char* singular, const char* plural)
66{
67 return TRANS (n == 1 ? singular : plural).replace (n == 1 ? "1" : "2", String (n));
68}
69
70 static String describeYears (int n) { return translateTimeField (n, NEEDS_TRANS("1 year"), NEEDS_TRANS("2 years")); }
71 static String describeMonths (int n) { return translateTimeField (n, NEEDS_TRANS("1 month"), NEEDS_TRANS("2 months")); }
72 static String describeWeeks (int n) { return translateTimeField (n, NEEDS_TRANS("1 week"), NEEDS_TRANS("2 weeks")); }
73 static String describeDays (int n) { return translateTimeField (n, NEEDS_TRANS("1 day"), NEEDS_TRANS("2 days")); }
74 static String describeHours (int n) { return translateTimeField (n, NEEDS_TRANS("1 hr"), NEEDS_TRANS("2 hrs")); }
75 static String describeMinutes (int n) { return translateTimeField (n, NEEDS_TRANS("1 min"), NEEDS_TRANS("2 mins")); }
76 static String describeSeconds (int n) { return translateTimeField (n, NEEDS_TRANS("1 sec"), NEEDS_TRANS("2 secs")); }
77
78 String RelativeTime::getApproximateDescription() const
79{
80 if (numSeconds <= 1.0)
81 return "< 1 sec";
82
83 auto weeks = (int) inWeeks();
84
85 if (weeks > 52) return describeYears (weeks / 52);
86 if (weeks > 8) return describeMonths ((weeks * 12) / 52);
87 if (weeks > 1) return describeWeeks (weeks);
88
89 auto days = (int) inWeeks();
90
91 if (days > 1)
92 return describeDays (days);
93
94 auto hours = (int) inHours();
95
96 if (hours > 0)
97 return describeHours (hours);
98
99 auto minutes = (int) inMinutes();
100
101 if (minutes > 0)
102 return describeMinutes (minutes);
103
104 return describeSeconds ((int) numSeconds);
105}
106
107 String RelativeTime::getDescription (const String& returnValueForZeroTime) const
108{
109 if (std::abs (numSeconds) < 0.001)
110 return returnValueForZeroTime;
111
112 if (numSeconds < 0)
113 return "-" + RelativeTime (-numSeconds).getDescription();
114
115 StringArray fields;
116
117 auto n = (int) inWeeks();
118
119 if (n > 0)
120 fields.add (describeWeeks (n));
121
122 n = ((int) inDays()) % 7;
123
124 if (n > 0)
125 fields.add (describeDays (n));
126
127 if (fields.size() < 2)
128 {
129 n = ((int) inHours()) % 24;
130
131 if (n > 0)
132 fields.add (describeHours (n));
133
134 if (fields.size() < 2)
135 {
136 n = ((int) inMinutes()) % 60;
137
138 if (n > 0)
139 fields.add (describeMinutes (n));
140
141 if (fields.size() < 2)
142 {
143 n = ((int) inSeconds()) % 60;
144
145 if (n > 0)
146 fields.add (describeSeconds (n));
147
148 if (fields.isEmpty())
149 fields.add (String (((int) inMilliseconds()) % 1000) + " " + TRANS ("ms"));
150 }
151 }
152 }
153
154 return fields.joinIntoString (" ");
155}
156
157} // 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:107
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:78
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:288
juce::StringArray::size
int size() const noexcept
Definition: juce_StringArray.h:135
juce::StringArray::add
void add(String stringToAdd)
Definition: juce_StringArray.cpp:135
juce::StringArray::isEmpty
bool isEmpty() const noexcept
Definition: juce_StringArray.h:138
juce::String
Definition: juce_String.h:39