This source file includes following definitions.
- GetTimeToTimeTicksDeltaInSeconds
- TimeToPPTime
- PPTimeToTime
- TimeTicksToPPTimeTicks
- EventTimeToPPTimeTicks
- PPTimeTicksToEventTime
- PPGetLocalTimeZoneOffset
#include "ppapi/shared_impl/time_conversion.h"
namespace ppapi {
namespace {
double GetTimeToTimeTicksDeltaInSeconds() {
static double time_to_ticks_delta_seconds = 0.0;
if (time_to_ticks_delta_seconds == 0.0) {
double wall_clock = TimeToPPTime(base::Time::Now());
double ticks = TimeTicksToPPTimeTicks(base::TimeTicks::Now());
time_to_ticks_delta_seconds = ticks - wall_clock;
}
return time_to_ticks_delta_seconds;
}
}
PP_Time TimeToPPTime(base::Time t) { return t.ToDoubleT(); }
base::Time PPTimeToTime(PP_Time t) {
if (t == 0.0)
return base::Time::UnixEpoch();
return base::Time::FromDoubleT(t);
}
PP_TimeTicks TimeTicksToPPTimeTicks(base::TimeTicks t) {
return static_cast<double>(t.ToInternalValue()) /
base::Time::kMicrosecondsPerSecond;
}
PP_TimeTicks EventTimeToPPTimeTicks(double event_time) {
return event_time + GetTimeToTimeTicksDeltaInSeconds();
}
double PPTimeTicksToEventTime(PP_TimeTicks t) {
return t - GetTimeToTimeTicksDeltaInSeconds();
}
double PPGetLocalTimeZoneOffset(const base::Time& time) {
base::Time::Exploded exploded = {0};
base::Time::Exploded utc_exploded = {0};
time.LocalExplode(&exploded);
time.UTCExplode(&utc_exploded);
if (exploded.HasValidValues() && utc_exploded.HasValidValues()) {
base::Time adj_time = base::Time::FromUTCExploded(exploded);
base::Time cur = base::Time::FromUTCExploded(utc_exploded);
return (adj_time - cur).InSecondsF();
}
return 0.0;
}
}