/*

 * Copyright (C) 2009 Holger Hans Peter Freyther

 * 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 COMPUTER, INC. ``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 COMPUTER, INC. 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.

 */

#include "config.h"

#include "GtkPluginWidget.h"

#include "GraphicsContext.h"

#include "GtkVersioning.h"

#include "ScrollView.h"

#include <gtk/gtk.h>

namespace WebCore {

GtkPluginWidget::GtkPluginWidget(GtkWidget* widget)

    : Widget(widget)

{

    gtk_widget_hide(widget);

}

void GtkPluginWidget::invalidateRect(const IntRect& _rect)

{

    /* no need to */

    if (!gtk_widget_get_has_window(platformWidget()))

        return;

    GdkWindow* window = gtk_widget_get_window(platformWidget());

    if (!window)

        return;

    GdkRectangle rect = _rect;

    gdk_window_invalidate_rect(window, &rect, FALSE);

}

void GtkPluginWidget::frameRectsChanged()

{

    IntRect rect = frameRect();

    IntPoint loc = parent()->contentsToWindow(rect.location());

    GtkAllocation allocation = { loc.x(), loc.y(), rect.width(), rect.height() };

    gtk_widget_set_size_request(platformWidget(), rect.width(), rect.height());

    gtk_widget_size_allocate(platformWidget(), &allocation);

    gtk_widget_show(platformWidget());

}

void GtkPluginWidget::paint(GraphicsContext* context, const IntRect& rect)

{

    if (!context->gdkExposeEvent())

        return;

    /* only paint widgets with no window this way */

    if (gtk_widget_get_has_window(platformWidget()))

        return;

    GtkWidget* widget = platformWidget();

    ASSERT(!gtk_widget_get_has_window(widget));

    GdkEvent* event = gdk_event_new(GDK_EXPOSE);

    event->expose = *context->gdkExposeEvent();

    event->expose.area = static_cast<GdkRectangle>(rect);

    IntPoint loc = parent()->contentsToWindow(rect.location());

    event->expose.area.x = loc.x();

    event->expose.area.y = loc.y();

#ifdef GTK_API_VERSION_2

    event->expose.region = gdk_region_rectangle(&event->expose.area);

#else

    event->expose.region = cairo_region_create_rectangle(&event->expose.area);

#endif

    /*

     * This will be unref'ed by gdk_event_free.

     */

    g_object_ref(event->expose.window);

    /*

     * If we are going to paint do the translation and GtkAllocation manipulation.

     */

#ifdef GTK_API_VERSION_2

    if (!gdk_region_empty(event->expose.region))

#else

    if (!cairo_region_is_empty(event->expose.region))

#endif

        gtk_widget_send_expose(widget, event);

    gdk_event_free(event);

}

}