// static
PassRefPtrWillBeRawPtr<Entry> DataTransferItemFileSystem::webkitGetAsEntry(ExecutionContext* executionContext, DataTransferItem& item)
{
if (!item.dataObjectItem()->isFilename())
return nullptr;
// For dragged files getAsFile must be pretty lightweight.
Blob* file = item.getAsFile().get();
// The clipboard may not be in a readable state.
if (!file)
return nullptr;
ASSERT(file->isFile());
DraggedIsolatedFileSystem* filesystem = DraggedIsolatedFileSystem::from(item.clipboard()->dataObject().get());
DOMFileSystem* domFileSystem = filesystem ? filesystem->getDOMFileSystem(executionContext) : 0;
if (!filesystem) {
// IsolatedFileSystem may not be enabled.
return nullptr;
}
ASSERT(domFileSystem);
// The dropped entries are mapped as top-level entries in the isolated filesystem.
String virtualPath = DOMFilePath::append("/", toFile(file)->name());
// FIXME: This involves synchronous file operation. Consider passing file type data when we dispatch drag event.
FileMetadata metadata;
if (!getFileMetadata(toFile(file)->path(), metadata))
return nullptr;
if (metadata.type == FileMetadata::TypeDirectory)
return DirectoryEntry::create(domFileSystem, virtualPath);
return FileEntry::create(domFileSystem, virtualPath);
}
// static
void DataTransferItemFileSystem::webkitGetAsEntry(DataTransferItem* item, ScriptExecutionContext* scriptExecutionContext, PassRefPtr<EntryCallback> callback)
{
DataTransferItemPolicyWrapper* itemPolicyWrapper = static_cast<DataTransferItemPolicyWrapper*>(item);
if (!callback || !itemPolicyWrapper->dataObjectItem()->isFilename())
return;
// For dragged files getAsFile must be pretty lightweight.
Blob* file = itemPolicyWrapper->getAsFile().get();
// The clipboard may not be in a readable state.
if (!file)
return;
ASSERT(file->isFile());
DraggedIsolatedFileSystem* filesystem = DraggedIsolatedFileSystem::from(itemPolicyWrapper->clipboard()->dataObject().get());
DOMFileSystem* domFileSystem = filesystem ? filesystem->getDOMFileSystem(scriptExecutionContext) : 0;
if (!filesystem) {
// IsolatedFileSystem may not be enabled.
DOMFileSystem::scheduleCallback(scriptExecutionContext, callback, adoptRef(static_cast<Entry*>(0)));
return;
}
ASSERT(domFileSystem);
// The dropped entries are mapped as top-level entries in the isolated filesystem.
String virtualPath = DOMFilePath::append("/", static_cast<File*>(file)->name());
domFileSystem->asyncFileSystem()->readMetadata(domFileSystem->createFileSystemURL(virtualPath), GetAsEntryCallbacks::create(domFileSystem, virtualPath, callback));
}