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/*
* Copyright (c) 2008, 2009, 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 DataObject_h
#define DataObject_h
#include "core/clipboard/DataObjectItem.h"
#include "platform/PasteMode.h"
#include "platform/Supplementable.h"
#include "platform/heap/Handle.h"
#include "wtf/ListHashSet.h"
#include "wtf/RefCounted.h"
#include "wtf/RefPtr.h"
#include "wtf/Vector.h"
#include "wtf/text/StringHash.h"
#include "wtf/text/WTFString.h"
namespace WebCore {
class KURL;
class SharedBuffer;
// A data object for holding data that would be in a clipboard or moved
// during a drag-n-drop operation. This is the data that WebCore is aware
// of and is not specific to a platform.
class DataObject : public RefCountedWillBeGarbageCollectedFinalized<DataObject>, public WillBeHeapSupplementable<DataObject> {
WILL_BE_USING_GARBAGE_COLLECTED_MIXIN(DataObject);
public:
static PassRefPtrWillBeRawPtr<DataObject> createFromPasteboard(PasteMode);
static PassRefPtrWillBeRawPtr<DataObject> create();
PassRefPtrWillBeRawPtr<DataObject> copy() const;
virtual ~DataObject();
// DataTransferItemList support.
size_t length() const;
PassRefPtrWillBeRawPtr<DataObjectItem> item(unsigned long index);
// FIXME: Implement V8DataTransferItemList::indexedPropertyDeleter to get this called.
void deleteItem(unsigned long index);
void clearAll();
// Returns null if an item already exists with the provided type.
PassRefPtrWillBeRawPtr<DataObjectItem> add(const String& data, const String& type);
PassRefPtrWillBeRawPtr<DataObjectItem> add(PassRefPtrWillBeRawPtr<File>);
// WebCore helpers.
void clearData(const String& type);
ListHashSet<String> types() const;
String getData(const String& type) const;
bool setData(const String& type, const String& data);
void urlAndTitle(String& url, String* title = 0) const;
void setURLAndTitle(const String& url, const String& title);
void htmlAndBaseURL(String& html, KURL& baseURL) const;
void setHTMLAndBaseURL(const String& html, const KURL& baseURL);
// Used for dragging in files from the desktop.
bool containsFilenames() const;
Vector<String> filenames() const;
void addFilename(const String& filename, const String& displayName);
// Used for dragging in filesystem from the desktop.
void setFilesystemId(const String& fileSystemId) { m_filesystemId = fileSystemId; }
const String& filesystemId() const { ASSERT(!m_filesystemId.isEmpty()); return m_filesystemId; }
// Used to handle files (images) being dragged out.
void addSharedBuffer(const String& name, PassRefPtr<SharedBuffer>);
int modifierKeyState() const { return m_modifierKeyState; }
void setModifierKeyState(int modifierKeyState) { m_modifierKeyState = modifierKeyState; }
void trace(Visitor*);
private:
DataObject();
explicit DataObject(const DataObject&);
PassRefPtrWillBeRawPtr<DataObjectItem> findStringItem(const String& type) const;
bool internalAddStringItem(PassRefPtrWillBeRawPtr<DataObjectItem>);
void internalAddFileItem(PassRefPtrWillBeRawPtr<DataObjectItem>);
WillBeHeapVector<RefPtrWillBeMember<DataObjectItem> > m_itemList;
// State of Shift/Ctrl/Alt/Meta keys.
int m_modifierKeyState;
String m_filesystemId;
};
} // namespace WebCore
#endif
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