Delete RenderLayerRepainter.

sky/engine/core/rendering/RenderLayerRepainter.cpp

-/*
- * Copyright (C) 2006, 2007, 2008, 2009, 2010, 2011, 2012 Apple Inc. All rights reserved.
- *
- * Portions are Copyright (C) 1998 Netscape Communications Corporation.
- *
- * Other contributors:
- *   Robert O'Callahan <roc+@cs.cmu.edu>
- *   David Baron <dbaron@fas.harvard.edu>
- *   Christian Biesinger <cbiesinger@web.de>
- *   Randall Jesup <rjesup@wgate.com>
- *   Roland Mainz <roland.mainz@informatik.med.uni-giessen.de>
- *   Josh Soref <timeless@mac.com>
- *   Boris Zbarsky <bzbarsky@mit.edu>
- *
- * This library is free software; you can redistribute it and/or
- * modify it under the terms of the GNU Lesser General Public
- * License as published by the Free Software Foundation; either
- * version 2.1 of the License, or (at your option) any later version.
- *
- * This library is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
- * Lesser General Public License for more details.
- *
- * You should have received a copy of the GNU Lesser General Public
- * License along with this library; if not, write to the Free Software
- * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301  USA
- *
- * Alternatively, the contents of this file may be used under the terms
- * of either the Mozilla Public License Version 1.1, found at
- * http://www.mozilla.org/MPL/ (the "MPL") or the GNU General Public
- * License Version 2.0, found at http://www.fsf.org/copyleft/gpl.html
- * (the "GPL"), in which case the provisions of the MPL or the GPL are
- * applicable instead of those above.  If you wish to allow use of your
- * version of this file only under the terms of one of those two
- * licenses (the MPL or the GPL) and not to allow others to use your
- * version of this file under the LGPL, indicate your decision by
- * deletingthe provisions above and replace them with the notice and
- * other provisions required by the MPL or the GPL, as the case may be.
- * If you do not delete the provisions above, a recipient may use your
- * version of this file under any of the LGPL, the MPL or the GPL.
- */
-
-#include "sky/engine/config.h"
-#include "sky/engine/core/rendering/RenderLayerRepainter.h"
-
-#include "sky/engine/core/rendering/FilterEffectRenderer.h"
-#include "sky/engine/core/rendering/RenderLayer.h"
-#include "sky/engine/core/rendering/RenderView.h"
-
-namespace blink {
-
-RenderLayerRepainter::RenderLayerRepainter(RenderLayerModelObject& renderer)
-    : m_renderer(renderer)
-{
-}
-
-void RenderLayerRepainter::computePaintInvalidationRectsIncludingNonCompositingDescendants()
-{
-    // FIXME: boundsRectForPaintInvalidation() has to walk up the parent chain
-    // for every layer to compute the rects. We should make this more efficient.
-    // FIXME: it's wrong to call this when layout is not up-to-date, which we do.
-    m_renderer.setPreviousPaintInvalidationRect(m_renderer.boundsRectForPaintInvalidation(m_renderer.containerForPaintInvalidation()));
-    // FIXME: We are only updating the paint invalidation bounds but not
-    // the positionFromPaintInvalidationContainer. This means that we may
-    // forcing a full invaliation of the new position. Is this really correct?
-
-    for (RenderLayer* layer = m_renderer.layer()->firstChild(); layer; layer = layer->nextSibling()) {
-        layer->paintInvalidator().computePaintInvalidationRectsIncludingNonCompositingDescendants();
-    }
-}
-
-void RenderLayerRepainter::setFilterBackendNeedsPaintInvalidationInRect(const LayoutRect& rect)
-{
-    if (rect.isEmpty())
-        return;
-    LayoutRect rectForPaintInvalidation = rect;
-
-    ASSERT(m_renderer.layer()->filterInfo());
-
-    RenderLayer* parentLayer = enclosingFilterPaintInvalidationLayer();
-    ASSERT(parentLayer);
-    FloatQuad paintInvalidationQuad(rectForPaintInvalidation);
-    LayoutRect parentLayerRect = m_renderer.localToContainerQuad(paintInvalidationQuad, parentLayer->renderer()).enclosingBoundingBox();
-
-    if (parentLayerRect.isEmpty())
-        return;
-
-    if (parentLayer->paintsWithFilters()) {
-        parentLayer->paintInvalidator().setFilterBackendNeedsPaintInvalidationInRect(parentLayerRect);
-        return;
-    }
-
-    if (parentLayer->isRootLayer()) {
-        RenderView* view = toRenderView(parentLayer->renderer());
-        view->invalidatePaintForRectangle(parentLayerRect);
-        return;
-    }
-
-    ASSERT_NOT_REACHED();
-}
-
-RenderLayer* RenderLayerRepainter::enclosingFilterPaintInvalidationLayer() const
-{
-    for (const RenderLayer* curr = m_renderer.layer(); curr; curr = curr->parent()) {
-        if ((curr != m_renderer.layer() && curr->requiresFullLayerImageForFilters()) || curr->isRootLayer())
-            return const_cast<RenderLayer*>(curr);
-    }
-    return 0;
-}
-
-} // namespace blink