WritableDataObject.h   [plain text]

/*
 * Copyright (c) 2010 Google Inc. All rights reserved.
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 * in the documentation and/or other materials provided with the
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 * this software without specific prior written permission.
 *
 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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#ifndef WritableDataObject_h
#define WritableDataObject_h

#include "Clipboard.h"
#include "KURL.h"
#include "PlatformString.h"
#include "SharedBuffer.h"
#include <wtf/HashMap.h>
#include <wtf/RefCounted.h>
#include <wtf/RefPtr.h>
#include <wtf/text/StringHash.h>

namespace WebCore {

// Used for one way communication of drag/drop and copy/paste data from the
// renderer to the browser. This is intenteded to be used in dragstart/copy/cut
// events. Due to shortcomings, writes to the pasteboard cannot be performed
// atomically.
class WritableDataObject : public RefCounted<WritableDataObject> {
public:
    static PassRefPtr<WritableDataObject> create(Clipboard::ClipboardType);

    void clearData(const String& type);
    void clearAllExceptFiles();
    void clearAll();
    bool setData(const String& type, const String& data);

    void setUrlTitle(const String& title) { m_urlTitle = title; }
    void setHtmlBaseUrl(const KURL& baseURL) { m_htmlBaseURL = baseURL; }

    // Used for transferring drag data from the renderer to the browser.
    HashMap<String, String> dataMap() const { return m_dataMap; }
    String urlTitle() const { return m_urlTitle; }
    KURL htmlBaseURL() const { return m_htmlBaseURL; }

    String fileExtension() const { return m_fileExtension; }
    String fileContentFilename() const { return m_fileContentFilename; }
    PassRefPtr<SharedBuffer> fileContent() const { return m_fileContent; }
    void setFileExtension(const String& fileExtension) { m_fileExtension = fileExtension; }
    void setFileContentFilename(const String& fileContentFilename) { m_fileContentFilename = fileContentFilename; }
    void setFileContent(PassRefPtr<SharedBuffer> fileContent) { m_fileContent = fileContent; }

private:
    explicit WritableDataObject(Clipboard::ClipboardType);

    Clipboard::ClipboardType m_clipboardType;

    HashMap<String, String> m_dataMap;
    String m_urlTitle;
    KURL m_htmlBaseURL;
    String m_fileExtension;
    String m_fileContentFilename;
    RefPtr<SharedBuffer> m_fileContent;
};

} // namespace WebCore

#endif