// 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);
}
String DragData::droppedFileSystemId() const
{
    DraggedIsolatedFileSystem* filesystem = DraggedIsolatedFileSystem::from(m_platformDragData);
    if (!filesystem)
        return String();
    return filesystem->filesystemId();
}
Beispiel #3
0
// 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));
}