OpenShot Library | libopenshot-audio  0.2.0
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) {}
29 
30 //==============================================================================
33 RelativeTime RelativeTime::seconds (double s) noexcept { return RelativeTime (s); }
34 RelativeTime RelativeTime::minutes (const double numberOfMinutes) noexcept { return RelativeTime (numberOfMinutes * 60.0); }
35 RelativeTime RelativeTime::hours (const double numberOfHours) noexcept { return RelativeTime (numberOfHours * (60.0 * 60.0)); }
36 RelativeTime RelativeTime::days (const double numberOfDays) noexcept { return RelativeTime (numberOfDays * (60.0 * 60.0 * 24.0)); }
37 RelativeTime RelativeTime::weeks (const double numberOfWeeks) noexcept { return RelativeTime (numberOfWeeks * (60.0 * 60.0 * 24.0 * 7.0)); }
38 
39 //==============================================================================
40 int64 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+= (const double secs) noexcept { numSeconds += secs; return *this; }
52 RelativeTime RelativeTime::operator-= (const double secs) noexcept { numSeconds -= secs; return *this; }
53 
54 JUCE_API RelativeTime JUCE_CALLTYPE operator+ (RelativeTime t1, RelativeTime t2) noexcept { return t1 += t2; }
55 JUCE_API RelativeTime JUCE_CALLTYPE operator- (RelativeTime t1, RelativeTime t2) noexcept { return t1 -= t2; }
56 
57 JUCE_API bool JUCE_CALLTYPE operator== (RelativeTime t1, RelativeTime t2) noexcept { return t1.inSeconds() == t2.inSeconds(); }
58 JUCE_API bool JUCE_CALLTYPE operator!= (RelativeTime t1, RelativeTime t2) noexcept { return t1.inSeconds() != t2.inSeconds(); }
59 JUCE_API bool JUCE_CALLTYPE operator> (RelativeTime t1, RelativeTime t2) noexcept { return t1.inSeconds() > t2.inSeconds(); }
60 JUCE_API bool JUCE_CALLTYPE operator< (RelativeTime t1, RelativeTime t2) noexcept { return t1.inSeconds() < t2.inSeconds(); }
61 JUCE_API bool JUCE_CALLTYPE operator>= (RelativeTime t1, RelativeTime t2) noexcept { return t1.inSeconds() >= t2.inSeconds(); }
62 JUCE_API bool JUCE_CALLTYPE operator<= (RelativeTime t1, RelativeTime t2) noexcept { return t1.inSeconds() <= t2.inSeconds(); }
63 
64 //==============================================================================
65 static void translateTimeField (String& result, int n, const char* singular, const char* plural)
66 {
67  result << TRANS (n == 1 ? singular : plural)
68  .replace (n == 1 ? "1" : "2", String (n))
69  << ' ';
70 }
71 
72 String RelativeTime::getDescription (const String& returnValueForZeroTime) const
73 {
74  if (numSeconds < 0.001 && numSeconds > -0.001)
75  return returnValueForZeroTime;
76 
77  String result;
78  result.preallocateBytes (32);
79 
80  if (numSeconds < 0)
81  result << '-';
82 
83  int fieldsShown = 0;
84  int n = std::abs ((int) inWeeks());
85  if (n > 0)
86  {
87  translateTimeField (result, n, NEEDS_TRANS("1 week"), NEEDS_TRANS("2 weeks"));
88  ++fieldsShown;
89  }
90 
91  n = std::abs ((int) inDays()) % 7;
92  if (n > 0)
93  {
94  translateTimeField (result, n, NEEDS_TRANS("1 day"), NEEDS_TRANS("2 days"));
95  ++fieldsShown;
96  }
97 
98  if (fieldsShown < 2)
99  {
100  n = std::abs ((int) inHours()) % 24;
101  if (n > 0)
102  {
103  translateTimeField (result, n, NEEDS_TRANS("1 hr"), NEEDS_TRANS("2 hrs"));
104  ++fieldsShown;
105  }
106 
107  if (fieldsShown < 2)
108  {
109  n = std::abs ((int) inMinutes()) % 60;
110  if (n > 0)
111  {
112  translateTimeField (result, n, NEEDS_TRANS("1 min"), NEEDS_TRANS("2 mins"));
113  ++fieldsShown;
114  }
115 
116  if (fieldsShown < 2)
117  {
118  n = std::abs ((int) inSeconds()) % 60;
119  if (n > 0)
120  {
121  translateTimeField (result, n, NEEDS_TRANS("1 sec"), NEEDS_TRANS("2 secs"));
122  ++fieldsShown;
123  }
124 
125  if (fieldsShown == 0)
126  {
127  n = std::abs ((int) inMilliseconds()) % 1000;
128  if (n > 0)
129  result << n << ' ' << TRANS ("ms");
130  }
131  }
132  }
133  }
134 
135  return result.trimEnd();
136 }
137 
138 } // namespace juce
static RelativeTime days(double numberOfDays) noexcept
Creates a new RelativeTime object representing a number of days.
#define JUCE_API
This macro is added to all JUCE public class declarations.
RelativeTime & operator=(const RelativeTime &other) noexcept
Copies another relative time.
double inHours() const noexcept
Returns the number of hours this time represents.
static RelativeTime milliseconds(int milliseconds) noexcept
Creates a new RelativeTime object representing a number of milliseconds.
The JUCE String class!
Definition: juce_String.h:42
double inDays() const noexcept
Returns the number of days this time represents.
A relative measure of time.
double inWeeks() const noexcept
Returns the number of weeks this time represents.
int64 inMilliseconds() const noexcept
Returns the number of milliseconds this time represents.
static RelativeTime seconds(double seconds) noexcept
Creates a new RelativeTime object representing a number of seconds.
String trimEnd() const
Returns a copy of this string with any whitespace characters removed from the end.
static RelativeTime hours(double numberOfHours) noexcept
Creates a new RelativeTime object representing a number of hours.
static RelativeTime minutes(double numberOfMinutes) noexcept
Creates a new RelativeTime object representing a number of minutes.
RelativeTime operator+=(RelativeTime timeToAdd) noexcept
Adds another RelativeTime to this one.
static RelativeTime weeks(double numberOfWeeks) noexcept
Creates a new RelativeTime object representing a number of weeks.
RelativeTime(double seconds=0.0) noexcept
Creates a RelativeTime.
String getDescription(const String &returnValueForZeroTime="0") const
Returns a readable textual description of the time.
void preallocateBytes(size_t numBytesNeeded)
Increases the string&#39;s internally allocated storage.
double inSeconds() const noexcept
Returns the number of seconds this time represents.
~RelativeTime() noexcept
Destructor.
RelativeTime operator-=(RelativeTime timeToSubtract) noexcept
Subtracts another RelativeTime from this one.
double inMinutes() const noexcept
Returns the number of minutes this time represents.