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/*
* Copyright (C) 2011 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.
*/
#ifndef DataObjectItem_h
#define DataObjectItem_h
#include "core/fileapi/File.h"
#include "platform/SharedBuffer.h"
#include "platform/heap/Handle.h"
#include "platform/weborigin/KURL.h"
#include "wtf/RefCounted.h"
#include "wtf/RefPtr.h"
#include "wtf/text/WTFString.h"
namespace blink {
class Blob;
class DataObjectItem : public RefCountedWillBeGarbageCollectedFinalized<DataObjectItem> {
public:
enum Kind {
StringKind,
FileKind
};
static PassRefPtrWillBeRawPtr<DataObjectItem> createFromString(const String& type, const String& data);
static PassRefPtrWillBeRawPtr<DataObjectItem> createFromFile(File*);
static PassRefPtrWillBeRawPtr<DataObjectItem> createFromURL(const String& url, const String& title);
static PassRefPtrWillBeRawPtr<DataObjectItem> createFromHTML(const String& html, const KURL& baseURL);
static PassRefPtrWillBeRawPtr<DataObjectItem> createFromSharedBuffer(const String& filename, PassRefPtr<SharedBuffer>);
static PassRefPtrWillBeRawPtr<DataObjectItem> createFromPasteboard(const String& type, uint64_t sequenceNumber);
Kind kind() const { return m_kind; }
String type() const { return m_type; }
String getAsString() const;
Blob* getAsFile() const;
// Used to support legacy DataTransfer APIs and renderer->browser serialization.
PassRefPtr<SharedBuffer> sharedBuffer() const { return m_sharedBuffer; }
String title() const { return m_title; }
KURL baseURL() const { return m_baseURL; }
bool isFilename() const;
void trace(Visitor*);
private:
enum DataSource {
PasteboardSource,
InternalSource,
};
DataObjectItem(Kind, const String& type);
DataObjectItem(Kind, const String& type, uint64_t sequenceNumber);
DataSource m_source;
Kind m_kind;
String m_type;
String m_data;
PersistentWillBeMember<File> m_file;
RefPtr<SharedBuffer> m_sharedBuffer;
// Optional metadata. Currently used for URL, HTML, and dragging files in.
String m_title;
KURL m_baseURL;
uint64_t m_sequenceNumber; // Only valid when m_source == PasteboardSource
};
} // namespace blink
#endif // DataObjectItem_h
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