1 /* Copyright (c) 2012 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 6 /* From pp_time.idl modified Fri May 10 15:48:42 2013. */ 7 8 #ifndef PPAPI_C_PP_TIME_H_ 9 #define PPAPI_C_PP_TIME_H_ 10 11 #include "ppapi/c/pp_macros.h" 12 #include "ppapi/c/pp_stdint.h" 13 14 /** 15 * @file 16 * This file defines time, time ticks and time delta types. 17 */ 18 19 20 /** 21 * @addtogroup Typedefs 22 * @{ 23 */ 24 /** 25 * The <code>PP_Time</code> type represents the "wall clock time" according 26 * to the browser and is defined as the number of seconds since the Epoch 27 * (00:00:00 UTC, January 1, 1970). 28 */ 29 typedef double PP_Time; 30 PP_COMPILE_ASSERT_SIZE_IN_BYTES(PP_Time, 8); 31 32 /** 33 * A <code>PP_TimeTicks</code> value represents time ticks which are measured 34 * in seconds and are used for indicating the time that certain messages were 35 * received. In contrast to <code>PP_Time</code>, <code>PP_TimeTicks</code> 36 * does not correspond to any actual wall clock time and will not change 37 * discontinuously if the user changes their computer clock. 38 * 39 * The units are in seconds, but are not measured relative to any particular 40 * epoch, so the most you can do is compare two values. 41 */ 42 typedef double PP_TimeTicks; 43 PP_COMPILE_ASSERT_SIZE_IN_BYTES(PP_TimeTicks, 8); 44 45 /** 46 * A <code>PP_TimeDelta</code> value represents a duration of time which is 47 * measured in seconds. 48 */ 49 typedef double PP_TimeDelta; 50 PP_COMPILE_ASSERT_SIZE_IN_BYTES(PP_TimeDelta, 8); 51 /** 52 * @} 53 */ 54 55 #endif /* PPAPI_C_PP_TIME_H_ */ 56 57