void
MultipartBlobImpl::InitializeChromeFile(Blob& aBlob,
const ChromeFilePropertyBag& aBag,
ErrorResult& aRv)
{
NS_ASSERTION(!mImmutable, "Something went wrong ...");
if (mImmutable) {
aRv.Throw(NS_ERROR_UNEXPECTED);
return;
}
MOZ_ASSERT(nsContentUtils::IsCallerChrome());
mName = aBag.mName;
mContentType = aBag.mType;
mIsFromNsIFile = true;
// XXXkhuey this is terrible
if (mContentType.IsEmpty()) {
aBlob.GetType(mContentType);
}
BlobSet blobSet;
blobSet.AppendBlobImpl(aBlob.Impl());
mBlobImpls = blobSet.GetBlobImpls();
SetLengthAndModifiedDate();
}
/* static */ void
URLMainThread::CreateObjectURL(const GlobalObject& aGlobal, Blob& aBlob,
nsAString& aResult, ErrorResult& aRv)
{
MOZ_ASSERT(NS_IsMainThread());
CreateObjectURLInternal(aGlobal, aBlob.Impl(), aResult, aRv);
}
static void
CreateObjectURL(const GlobalObject& aGlobal, Blob& aBlob,
const objectURLOptions& aOptions, nsAString& aResult,
ErrorResult& aRv)
{
MOZ_ASSERT(NS_IsMainThread());
CreateObjectURLInternal(aGlobal, aBlob.Impl(), aResult, aRv);
}
ArchiveReader::ArchiveReader(Blob& aBlob, nsPIDOMWindow* aWindow,
const nsACString& aEncoding)
: mBlobImpl(aBlob.Impl())
, mWindow(aWindow)
, mStatus(NOT_STARTED)
, mEncoding(aEncoding)
{
MOZ_ASSERT(aWindow);
}
bool
StructuredCloneHelper::WriteCallback(JSContext* aCx,
JSStructuredCloneWriter* aWriter,
JS::Handle<JSObject*> aObj)
{
if (!mSupportsCloning) {
return false;
}
// See if this is a File/Blob object.
{
Blob* blob = nullptr;
if (NS_SUCCEEDED(UNWRAP_OBJECT(Blob, aObj, blob))) {
BlobImpl* blobImpl = blob->Impl();
if (JS_WriteUint32Pair(aWriter, SCTAG_DOM_BLOB,
mBlobImplArray.Length())) {
mBlobImplArray.AppendElement(blobImpl);
return true;
}
return false;
}
}
{
FileList* fileList = nullptr;
if (NS_SUCCEEDED(UNWRAP_OBJECT(FileList, aObj, fileList))) {
// A FileList is serialized writing the X number of elements and the offset
// from mBlobImplArray. The Read will take X elements from mBlobImplArray
// starting from the offset.
if (!JS_WriteUint32Pair(aWriter, SCTAG_DOM_FILELIST,
fileList->Length()) ||
!JS_WriteUint32Pair(aWriter, 0,
mBlobImplArray.Length())) {
return false;
}
for (uint32_t i = 0; i < fileList->Length(); ++i) {
mBlobImplArray.AppendElement(fileList->Item(i)->Impl());
}
return true;
}
}
// See if this is an ImageBitmap object.
{
ImageBitmap* imageBitmap = nullptr;
if (NS_SUCCEEDED(UNWRAP_OBJECT(ImageBitmap, aObj, imageBitmap))) {
return ImageBitmap::WriteStructuredClone(aWriter,
GetImages(),
imageBitmap);
}
}
return NS_DOMWriteStructuredClone(aCx, aWriter, aObj, nullptr);
}
bool CustomWriteHandler(JSContext* aCx,
JSStructuredCloneWriter* aWriter,
JS::Handle<JSObject*> aObj)
{
{
Blob* blob = nullptr;
if (NS_SUCCEEDED(UNWRAP_OBJECT(Blob, aObj, blob))) {
BlobImpl* blobImpl = blob->Impl();
MOZ_ASSERT(blobImpl);
if (!mBlobImpls.AppendElement(blobImpl))
return false;
size_t idx = mBlobImpls.Length() - 1;
return JS_WriteUint32Pair(aWriter, SCTAG_BLOB, 0) &&
JS_WriteBytes(aWriter, &idx, sizeof(size_t));
}
}
if ((mOptions->wrapReflectors && IsReflector(aObj)) ||
IsFileList(aObj))
{
if (!mReflectors.append(aObj))
return false;
size_t idx = mReflectors.length() - 1;
if (!JS_WriteUint32Pair(aWriter, SCTAG_REFLECTOR, 0))
return false;
if (!JS_WriteBytes(aWriter, &idx, sizeof(size_t)))
return false;
return true;
}
if (JS::IsCallable(aObj)) {
if (mOptions->cloneFunctions) {
if (!mFunctions.append(aObj))
return false;
return JS_WriteUint32Pair(aWriter, SCTAG_FUNCTION, mFunctions.length() - 1);
} else {
JS_ReportError(aCx, "Permission denied to pass a Function via structured clone");
return false;
}
}
#ifdef MOZ_NFC
{
MozNDEFRecord* ndefRecord;
if (NS_SUCCEEDED(UNWRAP_OBJECT(MozNDEFRecord, aObj, ndefRecord))) {
return JS_WriteUint32Pair(aWriter, SCTAG_DOM_NFC_NDEF, 0) &&
ndefRecord->WriteStructuredClone(aCx, aWriter);
}
}
#endif
JS_ReportError(aCx, "Encountered unsupported value type writing stack-scoped structured clone");
return false;
}
void
URL::CreateObjectURL(const GlobalObject& aGlobal,
Blob& aBlob,
const objectURLOptions& aOptions,
nsAString& aResult,
ErrorResult& aError)
{
CreateObjectURLInternal(aGlobal, aBlob.Impl(),
NS_LITERAL_CSTRING(BLOBURI_SCHEME), aOptions, aResult,
aError);
}
/* static */
void URLMainThread::CreateObjectURL(const GlobalObject& aGlobal, Blob& aBlob,
nsAString& aResult, ErrorResult& aRv) {
MOZ_ASSERT(NS_IsMainThread());
nsCOMPtr<nsIGlobalObject> global = do_QueryInterface(aGlobal.GetAsSupports());
if (NS_WARN_IF(!global)) {
aRv.Throw(NS_ERROR_FAILURE);
return;
}
nsCOMPtr<nsIPrincipal> principal =
nsContentUtils::ObjectPrincipal(aGlobal.Get());
nsAutoCString url;
aRv = BlobURLProtocolHandler::AddDataEntry(aBlob.Impl(), principal, url);
if (NS_WARN_IF(aRv.Failed())) {
return;
}
global->RegisterHostObjectURI(url);
CopyASCIItoUTF16(url, aResult);
}