ppapi/shared_impl/time_conversion.h

   1 // Copyright (c) 2011 The Chromium Authors. All rights reserved.
   2 // Use of this source code is governed by a BSD-style license that can be
   3 // found in the LICENSE file.
   4
   5 #ifndef PPAPI_SHARED_IMPL_TIME_CONVERSION_H_
   6 #define PPAPI_SHARED_IMPL_TIME_CONVERSION_H_
   7
   8 #include "base/time/time.h"
   9 #include "ppapi/c/pp_time.h"
  10 #include "ppapi/shared_impl/ppapi_shared_export.h"
  11
  12 namespace ppapi {
  13
  14 PPAPI_SHARED_EXPORT PP_Time TimeToPPTime(base::Time t);
  15 PPAPI_SHARED_EXPORT base::Time PPTimeToTime(PP_Time t);
  16
  17 PPAPI_SHARED_EXPORT PP_TimeTicks TimeTicksToPPTimeTicks(base::TimeTicks t);
  18
  19 // Converts between WebKit event times and time ticks. WebKit event times are
  20 // currently expressed in terms of wall clock time. This function does the
  21 // proper mapping to time ticks, assuming the wall clock time doesn't change
  22 // (which isn't necessarily the case).
  23 PPAPI_SHARED_EXPORT PP_TimeTicks EventTimeToPPTimeTicks(double event_time);
  24 PPAPI_SHARED_EXPORT double PPTimeTicksToEventTime(PP_TimeTicks t);
  25
  26 // Gets the local time zone offset for a given time. This works in the plugin
  27 // process only on Windows (the sandbox prevents this from working properly on
  28 // other platforms).
  29 PPAPI_SHARED_EXPORT double PPGetLocalTimeZoneOffset(const base::Time& time);
  30
  31 }  // namespace ppapi
  32
  33 #endif  // PPAPI_SHARED_IMPL_TIME_CONVERSION_H_