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/*
* 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 "third_party/blink/renderer/modules/filesystem/data_transfer_item_file_system.h"
#include "third_party/blink/renderer/core/clipboard/data_object.h"
#include "third_party/blink/renderer/core/clipboard/data_transfer.h"
#include "third_party/blink/renderer/core/clipboard/data_transfer_item.h"
#include "third_party/blink/renderer/core/execution_context/execution_context.h"
#include "third_party/blink/renderer/core/fileapi/file.h"
#include "third_party/blink/renderer/modules/filesystem/directory_entry.h"
#include "third_party/blink/renderer/modules/filesystem/dom_file_path.h"
#include "third_party/blink/renderer/modules/filesystem/dom_file_system.h"
#include "third_party/blink/renderer/modules/filesystem/dragged_isolated_file_system_impl.h"
#include "third_party/blink/renderer/modules/filesystem/entry.h"
#include "third_party/blink/renderer/modules/filesystem/file_entry.h"
#include "third_party/blink/renderer/platform/bindings/script_state.h"
#include "third_party/blink/renderer/platform/file_metadata.h"
namespace blink {
// static
Entry* DataTransferItemFileSystem::webkitGetAsEntry(ScriptState* script_state,
DataTransferItem& item) {
if (!item.GetDataObjectItem()->IsFilename())
return nullptr;
// For dragged files getAsFile must be pretty lightweight.
Blob* file = item.getAsFile();
// The clipboard may not be in a readable state.
if (!file)
return nullptr;
DCHECK(IsA<File>(file));
DOMFileSystem* dom_file_system =
DraggedIsolatedFileSystemImpl::GetDOMFileSystem(
item.GetDataTransfer()->GetDataObject(),
ExecutionContext::From(script_state), *item.GetDataObjectItem());
if (!dom_file_system) {
// IsolatedFileSystem may not be enabled.
return nullptr;
}
// The dropped entries are mapped as top-level entries in the isolated
// filesystem.
String virtual_path = DOMFilePath::Append("/", To<File>(file)->name());
// FIXME: This involves synchronous file operation. Consider passing file type
// data when we dispatch drag event.
FileMetadata metadata;
if (!GetFileMetadata(To<File>(file)->GetPath(), metadata))
return nullptr;
if (metadata.type == FileMetadata::kTypeDirectory)
return MakeGarbageCollected<DirectoryEntry>(dom_file_system, virtual_path);
return MakeGarbageCollected<FileEntry>(dom_file_system, virtual_path);
}
} // namespace blink
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