/* * Copyright (C) 2012 Google Inc. All rights reserved. * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions are * met: * * * Redistributions of source code must retain the above copyright * notice, this list of conditions and the following disclaimer. * * Redistributions in binary form must reproduce the above * copyright notice, this list of conditions and the following disclaimer * in the documentation and/or other materials provided with the * distribution. * * Neither the name of Google Inc. nor the names of its * contributors may be used to endorse or promote products derived from * this software without specific prior written permission. * * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. */ #include "config.h" #include "modules/filesystem/DataTransferItemFileSystem.h" #include "core/clipboard/Clipboard.h" #include "core/clipboard/DataObject.h" #include "core/clipboard/DataTransferItem.h" #include "core/dom/ExecutionContext.h" #include "core/fileapi/File.h" #include "modules/filesystem/DOMFilePath.h" #include "modules/filesystem/DOMFileSystem.h" #include "modules/filesystem/DirectoryEntry.h" #include "modules/filesystem/DraggedIsolatedFileSystem.h" #include "modules/filesystem/Entry.h" #include "modules/filesystem/FileEntry.h" #include "platform/AsyncFileSystemCallbacks.h" #include "platform/FileMetadata.h" namespace WebCore { // 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); } } // namespace WebCore