/*
 * Copyright (C) 2016 Red Hat Inc.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions
 * are met:
 * 1. Redistributions of source code must retain the above copyright
 *    notice, this list of conditions and the following disclaimer.
 * 2. 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.
 *
 * THIS SOFTWARE IS PROVIDED BY APPLE INC. AND ITS 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 APPLE INC. OR ITS 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 "config.h"
#include "WebPasteboardProxy.h"

#include "WebFrameProxy.h"
#include "WebSelectionData.h"
#include <WebCore/PlatformPasteboard.h>
#include <wtf/SetForScope.h>

using namespace WebCore;

namespace WebKit {

void WebPasteboardProxy::writeToClipboard(const String& pasteboardName, const WebSelectionData& selection)
{
    SetForScope<WebFrameProxy*> frameWritingToClipboard(m_frameWritingToClipboard, m_primarySelectionOwner);
    PlatformPasteboard(pasteboardName).writeToClipboard(selection.selectionData, [this] {
        if (m_frameWritingToClipboard == m_primarySelectionOwner)
            return;
        setPrimarySelectionOwner(nullptr);
    });
}

void WebPasteboardProxy::readFromClipboard(const String& pasteboardName, WebSelectionData& selection)
{
    selection = WebSelectionData(PlatformPasteboard(pasteboardName).readFromClipboard());
}

void WebPasteboardProxy::setPrimarySelectionOwner(WebFrameProxy* frame)
{
    if (m_primarySelectionOwner == frame)
        return;

    if (m_primarySelectionOwner)
        m_primarySelectionOwner->collapseSelection();

    m_primarySelectionOwner = frame;
}

void WebPasteboardProxy::didDestroyFrame(WebFrameProxy* frame)
{
    if (frame == m_primarySelectionOwner)
        m_primarySelectionOwner = nullptr;
}

} // namespace WebKit
