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/*
* Copyright (C) 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 WebDragData_h
#define WebDragData_h
#include "WebCommon.h"
#include "WebData.h"
#include "WebString.h"
#include "WebURL.h"
#if WEBKIT_IMPLEMENTATION
namespace WebCore { class ChromiumDataObject; }
namespace WTF { template <typename T> class PassRefPtr; }
#endif
namespace WebKit {
class WebDragDataPrivate;
template <typename T> class WebVector;
// Holds data that may be exchanged through a drag-n-drop operation. It is
// inexpensive to copy a WebDragData object.
class WebDragData {
public:
struct Item {
enum StorageType {
// String data with an associated MIME type. Depending on the MIME type, there may be
// optional metadata attributes as well.
StorageTypeString,
// Stores the name of one file being dragged into the renderer.
StorageTypeFilename,
// An image being dragged out of the renderer. Contains a buffer holding the image data
// as well as the suggested name for saving the image to.
StorageTypeBinaryData,
};
StorageType storageType;
// Only valid when storageType == StorageTypeString.
WebString stringType;
WebString stringData;
// Only valid when storageType == StorageTypeFilename.
WebString filenameData;
// Only valid when storageType == StorageTypeBinaryData.
WebData binaryData;
// Title associated with a link when stringType == "text/uri-list".
// Filename when storageType == StorageTypeBinaryData.
WebString title;
// Only valid when stringType == "text/html".
WebURL baseURL;
};
~WebDragData() { reset(); }
WebDragData() : m_private(0) { }
WebDragData(const WebDragData& d) : m_private(0) { assign(d); }
WebDragData& operator=(const WebDragData& d)
{
assign(d);
return *this;
}
WEBKIT_EXPORT void initialize();
WEBKIT_EXPORT void reset();
WEBKIT_EXPORT void assign(const WebDragData&);
bool isNull() const { return !m_private; }
WEBKIT_EXPORT WebVector<Item> items() const;
WEBKIT_EXPORT void setItems(const WebVector<Item>&);
WEBKIT_EXPORT void addItem(const Item&);
#if WEBKIT_IMPLEMENTATION
WebDragData(const WTF::PassRefPtr<WebCore::ChromiumDataObject>&);
WebDragData& operator=(const WTF::PassRefPtr<WebCore::ChromiumDataObject>&);
operator WTF::PassRefPtr<WebCore::ChromiumDataObject>() const;
#endif
private:
void assign(WebDragDataPrivate*);
void ensureMutable();
WebDragDataPrivate* m_private;
};
} // namespace WebKit
#endif
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