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// Copyright 2016 Google Inc. All Rights Reserved.
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
#include "jsstarboard-time.h"
#include "mozilla/Assertions.h"
#include "starboard/configuration.h"
#include "unicode/timezone.h"
// If the Starboard platform has this quirk, do not use these functions.
#if !SB_HAS_QUIRK(NO_TIMEZONE_NAME_SUPPORT)
SbTime getDSTOffset(int64_t utc_time_us) {
// UDate is in milliseconds from the epoch.
UDate udate = utc_time_us / kSbTimeMillisecond;
icu::TimeZone* current_zone = icu::TimeZone::createDefault();
int32_t raw_offset_ms, dst_offset_ms;
UErrorCode error_code = U_ZERO_ERROR;
current_zone->getOffset(
udate, false /*local*/, raw_offset_ms, dst_offset_ms, error_code);
delete current_zone;
if (U_SUCCESS(error_code)) {
MOZ_ASSERT(dst_offset_ms >= 0);
return dst_offset_ms * kSbTimeMillisecond;
}
return 0;
}
SbTime getTZOffset() {
icu::TimeZone* current_zone = icu::TimeZone::createDefault();
int32_t raw_offset_ms = current_zone->getRawOffset();
delete current_zone;
return raw_offset_ms * kSbTimeMillisecond;
}
#endif