| /* |
| * 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/dom/Clipboard.h" |
| #include "core/dom/DataTransferItem.h" |
| #include "core/dom/ExecutionContext.h" |
| #include "core/fileapi/File.h" |
| #include "core/platform/chromium/ChromiumDataObject.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 |
| PassRefPtr<Entry> DataTransferItemFileSystem::webkitGetAsEntry(ExecutionContext* executionContext, DataTransferItem* item) |
| { |
| if (!item->dataObjectItem()->isFilename()) |
| return adoptRef(static_cast<Entry*>(0)); |
| |
| // 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 adoptRef(static_cast<Entry*>(0)); |
| 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 adoptRef(static_cast<Entry*>(0)); |
| } |
| |
| 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 adoptRef(static_cast<Entry*>(0)); |
| |
| if (metadata.type == FileMetadata::TypeDirectory) |
| return static_cast<Entry*>(DirectoryEntry::create(domFileSystem, virtualPath).get()); |
| return static_cast<Entry*>(FileEntry::create(domFileSystem, virtualPath).get()); |
| } |
| |
| } // namespace WebCore |