/*

 * Copyright (C) 2010 Apple 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:

 * 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 "NetscapePlugin.h"

#include <WebCore/GraphicsContext.h>

using namespace WebCore;

namespace WebKit {

NPError NetscapePlugin::setDrawingModel(NPDrawingModel drawingModel)

{

    // The drawing model can only be set from NPP_New.

    if (!m_inNPPNew)

        return NPERR_GENERIC_ERROR;

    switch (drawingModel) {

#ifndef NP_NO_QUICKDRAW

        case NPDrawingModelQuickDraw:

#endif

        case NPDrawingModelCoreGraphics:

        case NPDrawingModelCoreAnimation:

            m_drawingModel = drawingModel;

            break;

        default:

            return NPERR_GENERIC_ERROR;

    }

    return NPERR_NO_ERROR;

}

NPError NetscapePlugin::setEventModel(NPEventModel eventModel)

{

    // The event model can only be set from NPP_New.

    if (!m_inNPPNew)

        return NPERR_GENERIC_ERROR;

    switch (eventModel) {

#ifndef NP_NO_CARBON

        case NPEventModelCarbon:

#endif

        case NPEventModelCocoa:

            m_eventModel = eventModel;

            break;

        default:

            return NPERR_GENERIC_ERROR;

    }

    return NPERR_NO_ERROR;

}

bool NetscapePlugin::platformPostInitialize()

{

    if (m_drawingModel == static_cast<NPDrawingModel>(-1)) {

#ifndef NP_NO_QUICKDRAW

        // Default to QuickDraw if the plugin did not specify a drawing model.

        m_drawingModel = NPDrawingModelQuickDraw;

#else

        // QuickDraw is not available, so we can't default to it. Instead, default to CoreGraphics.

        m_drawingModel = NPDrawingModelCoreGraphics;

#endif

    }

    if (m_eventModel == static_cast<NPEventModel>(-1)) {

        // If the plug-in did not specify a drawing model we default to Carbon when it is available.

#ifndef NP_NO_CARBON

        m_eventModel = NPEventModelCarbon;

#else

        m_eventModel = NPEventModelCocoa;

#endif // NP_NO_CARBON

    }

#if !defined(NP_NO_CARBON) && !defined(NP_NO_QUICKDRAW)

    // The CA drawing model does not work with the Carbon event model.

    if (m_drawingModel == NPDrawingModelCoreAnimation && m_eventModel == NPEventModelCarbon)

        return false;

    // The Cocoa event model does not work with the QuickDraw drawing model.

    if (m_eventModel == NPEventModelCocoa && m_drawingModel == NPDrawingModelQuickDraw)

        return false;

#endif

#ifndef NP_NO_QUICKDRAW

    // Right now we don't support the QuickDraw drawing model at all

    if (m_drawingModel == NPDrawingModelQuickDraw)

        return false;

#endif

    return true;

}

static inline NPCocoaEvent initializeEvent(NPCocoaEventType type)

{

    NPCocoaEvent event;

    event.type = type;

    event.version = 0;

    return event;

}

void NetscapePlugin::platformPaint(GraphicsContext* context, const IntRect& dirtyRect)

{

    switch (m_eventModel) {

        case NPEventModelCocoa: {

            NPCocoaEvent event = initializeEvent(NPCocoaEventDrawRect);

            event.data.draw.context = context->platformContext();

            event.data.draw.x = dirtyRect.x() - m_frameRect.x();

            event.data.draw.y = dirtyRect.y() - m_frameRect.y();

            event.data.draw.width = dirtyRect.width();

            event.data.draw.height = dirtyRect.height();

            m_pluginModule->pluginFuncs().event(&m_npp, &event);

            break;

        }

        default:

            ASSERT_NOT_REACHED();

    }

}

} // namespace WebKit