already_AddRefed<DOMStringList>
DataTransfer::GetTypes(ErrorResult& aRv) const
{
RefPtr<DOMStringList> types = new DOMStringList();
const nsTArray<RefPtr<DataTransferItem>>* items = mItems->MozItemsAt(0);
if (NS_WARN_IF(!items)) {
return types.forget();
}
for (uint32_t i = 0; i < items->Length(); i++) {
DataTransferItem* item = items->ElementAt(i);
MOZ_ASSERT(item);
if (item->ChromeOnly() && !nsContentUtils::LegacyIsCallerChromeOrNativeCode()) {
continue;
}
nsAutoString type;
item->GetType(type);
if (item->Kind() == DataTransferItem::KIND_STRING || type.EqualsASCII(kFileMime)) {
// If the entry has kind KIND_STRING, we want to add it to the list.
if (NS_WARN_IF(!types->Add(type))) {
aRv.Throw(NS_ERROR_FAILURE);
return nullptr;
}
}
}
for (uint32_t i = 0; i < mItems->Length(); ++i) {
ErrorResult rv;
bool found = false;
DataTransferItem* item = mItems->IndexedGetter(i, found, rv);
if (!found || rv.Failed() || item->Kind() != DataTransferItem::KIND_FILE) {
rv.SuppressException();
continue;
}
if (NS_WARN_IF(!types->Add(NS_LITERAL_STRING("Files")))) {
aRv.Throw(NS_ERROR_FAILURE);
return nullptr;
}
break;
}
return types.forget();
}
already_AddRefed<DOMStringList>
DataTransfer::MozTypesAt(uint32_t aIndex, CallerType aCallerType,
ErrorResult& aRv) const
{
// Only the first item is valid for clipboard events
if (aIndex > 0 &&
(mEventMessage == eCut || mEventMessage == eCopy ||
mEventMessage == ePaste)) {
aRv.Throw(NS_ERROR_DOM_INDEX_SIZE_ERR);
return nullptr;
}
RefPtr<DOMStringList> types = new DOMStringList();
if (aIndex < MozItemCount()) {
// note that you can retrieve the types regardless of their principal
const nsTArray<RefPtr<DataTransferItem>>& items = *mItems->MozItemsAt(aIndex);
bool addFile = false;
for (uint32_t i = 0; i < items.Length(); i++) {
if (items[i]->ChromeOnly() && aCallerType != CallerType::System) {
continue;
}
// NOTE: The reason why we get the internal type here is because we want
// kFileMime to appear in the types list for backwards compatibility
// reasons.
nsAutoString type;
items[i]->GetInternalType(type);
if (NS_WARN_IF(!types->Add(type))) {
aRv.Throw(NS_ERROR_FAILURE);
return nullptr;
}
if (items[i]->Kind() == DataTransferItem::KIND_FILE) {
addFile = true;
}
}
if (addFile) {
types->Add(NS_LITERAL_STRING("Files"));
}
}
return types.forget();
}
already_AddRefed<DOMStringList>
DataTransfer::MozTypesAt(uint32_t aIndex, ErrorResult& aRv) const
{
// Only the first item is valid for clipboard events
if (aIndex > 0 &&
(mEventMessage == eCut || mEventMessage == eCopy ||
mEventMessage == ePaste)) {
aRv.Throw(NS_ERROR_DOM_INDEX_SIZE_ERR);
return nullptr;
}
RefPtr<DOMStringList> types = new DOMStringList();
if (aIndex < MozItemCount()) {
// note that you can retrieve the types regardless of their principal
const nsTArray<RefPtr<DataTransferItem>>& items = *mItems->MozItemsAt(aIndex);
bool addFile = false;
for (uint32_t i = 0; i < items.Length(); i++) {
if (items[i]->ChromeOnly() && !nsContentUtils::LegacyIsCallerChromeOrNativeCode()) {
continue;
}
nsAutoString type;
items[i]->GetType(type);
if (NS_WARN_IF(!types->Add(type))) {
aRv.Throw(NS_ERROR_FAILURE);
return nullptr;
}
if (items[i]->Kind() == DataTransferItem::KIND_FILE) {
addFile = true;
}
}
if (addFile) {
types->Add(NS_LITERAL_STRING("Files"));
}
}
return types.forget();
}
already_AddRefed<DOMStringList>
DataTransfer::MozTypesAt(uint32_t aIndex, ErrorResult& aRv) const
{
// Only the first item is valid for clipboard events
if (aIndex > 0 &&
(mEventMessage == eCut || mEventMessage == eCopy ||
mEventMessage == ePaste)) {
aRv.Throw(NS_ERROR_DOM_INDEX_SIZE_ERR);
return nullptr;
}
RefPtr<DOMStringList> types = new DOMStringList();
if (aIndex < mItems.Length()) {
bool addFile = false;
// note that you can retrieve the types regardless of their principal
const nsTArray<TransferItem>& item = mItems[aIndex];
for (uint32_t i = 0; i < item.Length(); i++) {
const nsString& format = item[i].mFormat;
types->Add(format);
if (!addFile) {
addFile = format.EqualsASCII(kFileMime);
}
}
if (addFile) {
// If this is a content caller, and a file is in the data transfer, remove
// the non-file types. This prevents alternate text forms of the file
// from being returned.
if (!nsContentUtils::LegacyIsCallerChromeOrNativeCode()) {
types->Clear();
types->Add(NS_LITERAL_STRING(kFileMime));
}
types->Add(NS_LITERAL_STRING("Files"));
}
}
return types.forget();
}
already_AddRefed<DOMStringList>
DataTransfer::Types()
{
RefPtr<DOMStringList> types = new DOMStringList();
if (mItems.Length()) {
bool addFile = false;
const nsTArray<TransferItem>& item = mItems[0];
for (uint32_t i = 0; i < item.Length(); i++) {
const nsString& format = item[i].mFormat;
types->Add(format);
if (!addFile) {
addFile = format.EqualsASCII(kFileMime) ||
format.EqualsASCII("application/x-moz-file-promise");
}
}
if (addFile) {
types->Add(NS_LITERAL_STRING("Files"));
}
}
return types.forget();
}
already_AddRefed<DOMStringList>
DataTransfer::MozTypesAt(uint32_t aIndex, ErrorResult& aRv)
{
// Only the first item is valid for clipboard events
if (aIndex > 0 &&
(mEventMessage == eCut || mEventMessage == eCopy ||
mEventMessage == ePaste)) {
aRv.Throw(NS_ERROR_DOM_INDEX_SIZE_ERR);
return nullptr;
}
RefPtr<DOMStringList> types = new DOMStringList();
if (aIndex < mItems.Length()) {
// note that you can retrieve the types regardless of their principal
nsTArray<TransferItem>& item = mItems[aIndex];
for (uint32_t i = 0; i < item.Length(); i++)
types->Add(item[i].mFormat);
}
return types.forget();
}
already_AddRefed<DOMStringList>
nsDOMOfflineResourceList::GetMozItems(ErrorResult& aRv)
{
if (IS_CHILD_PROCESS()) {
aRv.Throw(NS_ERROR_NOT_IMPLEMENTED);
return nullptr;
}
RefPtr<DOMStringList> items = new DOMStringList();
// If we are not associated with an application cache, return an
// empty list.
nsCOMPtr<nsIApplicationCache> appCache = GetDocumentAppCache();
if (!appCache) {
return items.forget();
}
aRv = Init();
if (aRv.Failed()) {
return nullptr;
}
uint32_t length;
char **keys;
aRv = appCache->GatherEntries(nsIApplicationCache::ITEM_DYNAMIC,
&length, &keys);
if (aRv.Failed()) {
return nullptr;
}
for (uint32_t i = 0; i < length; i++) {
items->Add(NS_ConvertUTF8toUTF16(keys[i]));
}
NS_FREE_XPCOM_ALLOCATED_POINTER_ARRAY(length, keys);
return items.forget();
}