gXAxis::gXAxis(QColor col,bool fadeout)
:Layer(NoChannel)
{
m_line_color=col;
m_text_color=col;
m_major_color=Qt::darkGray;
m_minor_color=Qt::lightGray;
m_show_major_lines=false;
m_show_minor_lines=false;
m_show_minor_ticks=true;
m_show_major_ticks=true;
m_utcfix=false;
m_fadeout=fadeout;
m_textureID=0;
// QDateTime d=QDateTime::currentDateTime();
// QTime t1=d.time();
// QTime t2=d.toUTC().time();
// tz_offset=t2.secsTo(t1);
// tz_hours=tz_offset/3600.0;
// tz_offset*=1000L;
tz_offset=timezoneOffset();
tz_hours=tz_offset/3600000.0;
}
void InstagramClient::updateTimeline(QString maxID, QJSValue callback)
{
qDebug() << "Update timeline...";
QUrlQuery q;
q.addQueryItem("phone_id", phoneID());
q.addQueryItem("timezone_offset", QString::number(timezoneOffset()));
if (!maxID.isEmpty())
q.addQueryItem("max_id", maxID);
QUrl url("https://i.instagram.com/api/v1/feed/timeline/");
url.setQuery(q);
executeGetRequest(url, callback);
}
/*****************************************************************************
*
* parse8601Time -
*
* This is common code for Duration and Throttling (at least).
*
* Based in http://stackoverflow.com/questions/26895428/how-do-i-parse-an-iso-8601-date-with-optional-milliseconds-to-a-struct-tm-in-c
*
*/
int64_t parse8601Time(const std::string& ss)
{
int y = 0;
int M = 0;
int d = 0;
int h = 0;
int m = 0;
float s = 0;
char tz[10];
// Length check, to avoid buffer overflow in tz[]. Calculation is as follows:
//
// 5 (year with "-") + 3 * 2 (day and month with "-" or "T")
// 3 * 3 (hour/minute/second with ":" or ".") + 3 (miliseconds) + 6 (worst case timezone: "+01:00" = 29
if (ss.length() > 29)
{
return -1;
}
// According to https://en.wikipedia.org/wiki/ISO_8601#Times, the following formats have to be supported
//
// hh:mm:ss.sss or hhmmss.sss
// hh:mm:ss or hhmmss
// hh:mm or hhmm
// hh
//
// With regards the first case (hh:mm:ss.sss or hhmmss.sss) note that by the way sscanf() works for the %f
// formater, this will work not only with .000, but also with .0, .00, .0000, etc. This is fine with ISO8601
// which states that "There is no limit on the number of decimal places for the decimal fraction".
// Default timezone is Z, sscanf will override it if an explicit timezone is provided
snprintf(tz, sizeof(tz), "%s", "Z");
bool validDate = ((sscanf(ss.c_str(), "%4d-%2d-%2dT%2d:%2d:%f%s", &y, &M, &d, &h, &m, &s, tz) >= 6) || // Trying hh:mm:ss.sss or hh:mm:ss
(sscanf(ss.c_str(), "%4d-%2d-%2dT%2d%2d%f%s", &y, &M, &d, &h, &m, &s, tz) >= 6) || // Trying hhmmss.sss or hhmmss
(sscanf(ss.c_str(), "%4d-%2d-%2dT%2d:%2d%s", &y, &M, &d, &h, &m, tz) >= 5) || // Trying hh:mm
(sscanf(ss.c_str(), "%4d-%2d-%2dT%2d%2d%s", &y, &M, &d, &h, &m, tz) >= 5) || // Trying hhmm
(sscanf(ss.c_str(), "%4d-%2d-%2dT%2d%s", &y, &M, &d, &h, tz) >= 4) || // Trying hh
(sscanf(ss.c_str(), "%4d-%2d-%2d%s", &y, &M, &d, tz) == 3)); // Trying just date (in this case tz is not allowed)
if (!validDate)
{
return -1;
}
int offset = timezoneOffset(tz);
if (offset == -1)
{
return -1;
}
// Note that at the present moment we are not doing anything with milliseconds, but
// in the future we could use that to increase time resolution (however, not as part
// of the tm struct)
struct tm time;
time.tm_year = y - 1900; // Year since 1900
time.tm_mon = M - 1; // 0-11
time.tm_mday = d; // 1-31
time.tm_hour = h; // 0-23
time.tm_min = m; // 0-59
time.tm_sec = (int)s; // 0-61 (0-60 in C++11)
return (int64_t) (timegm(&time) - offset);
}
