gecko-dev/dom/file/BaseBlobImpl.cpp

109 строки
2.9 KiB
C++

/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
/* vim: set ts=8 sts=2 et sw=2 tw=80: */
/* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
#include "mozilla/dom/BaseBlobImpl.h"
#include "nsRFPService.h"
#include "prtime.h"
namespace mozilla {
namespace dom {
void BaseBlobImpl::GetName(nsAString& aName) const {
MOZ_ASSERT(mIsFile, "Should only be called on files");
aName = mName;
}
void BaseBlobImpl::GetDOMPath(nsAString& aPath) const {
MOZ_ASSERT(mIsFile, "Should only be called on files");
aPath = mPath;
}
void BaseBlobImpl::SetDOMPath(const nsAString& aPath) {
MOZ_ASSERT(mIsFile, "Should only be called on files");
mPath = aPath;
}
void BaseBlobImpl::GetMozFullPath(nsAString& aFileName,
SystemCallerGuarantee /* unused */,
ErrorResult& aRv) {
MOZ_ASSERT(mIsFile, "Should only be called on files");
GetMozFullPathInternal(aFileName, aRv);
}
void BaseBlobImpl::GetMozFullPathInternal(nsAString& aFileName,
ErrorResult& aRv) {
if (!mIsFile) {
aRv.Throw(NS_ERROR_FAILURE);
return;
}
aFileName.Truncate();
}
void BaseBlobImpl::GetType(nsAString& aType) { aType = mContentType; }
int64_t BaseBlobImpl::GetLastModified(ErrorResult& aRv) {
MOZ_ASSERT(mIsFile, "Should only be called on files");
if (IsDateUnknown()) {
mLastModificationDate =
nsRFPService::ReduceTimePrecisionAsUSecs(PR_Now(), 0);
// mLastModificationDate is an absolute timestamp so we supply a zero
// context mix-in
}
return mLastModificationDate / PR_USEC_PER_MSEC;
}
void BaseBlobImpl::SetLastModified(int64_t aLastModified) {
mLastModificationDate = aLastModified * PR_USEC_PER_MSEC;
}
int64_t BaseBlobImpl::GetFileId() { return -1; }
nsresult BaseBlobImpl::GetSendInfo(nsIInputStream** aBody,
uint64_t* aContentLength,
nsACString& aContentType,
nsACString& aCharset) {
MOZ_ASSERT(aContentLength);
ErrorResult rv;
nsCOMPtr<nsIInputStream> stream;
CreateInputStream(getter_AddRefs(stream), rv);
if (NS_WARN_IF(rv.Failed())) {
return rv.StealNSResult();
}
*aContentLength = GetSize(rv);
if (NS_WARN_IF(rv.Failed())) {
return rv.StealNSResult();
}
nsAutoString contentType;
GetType(contentType);
if (contentType.IsEmpty()) {
aContentType.SetIsVoid(true);
} else {
CopyUTF16toUTF8(contentType, aContentType);
}
aCharset.Truncate();
stream.forget(aBody);
return NS_OK;
}
/* static */
uint64_t BaseBlobImpl::NextSerialNumber() {
static Atomic<uint64_t> nextSerialNumber;
return nextSerialNumber++;
}
} // namespace dom
} // namespace mozilla