| /* |
| * Copyright (C) 2006 Apple Computer, Inc. |
| * Copyright (C) 2007 Nikolas Zimmermann <zimmermann@kde.org> |
| * Copyright (C) Research In Motion Limited 2010. All rights reserved. |
| * |
| * This library is free software; you can redistribute it and/or |
| * modify it under the terms of the GNU Library General Public |
| * License as published by the Free Software Foundation; either |
| * version 2 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 |
| * Library General Public License for more details. |
| * |
| * You should have received a copy of the GNU Library General Public License |
| * along with this library; see the file COPYING.LIB. If not, write to |
| * the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, |
| * Boston, MA 02110-1301, USA. |
| */ |
| |
| #include "config.h" |
| |
| #include "core/rendering/svg/RenderSVGBlock.h" |
| |
| #include "core/rendering/RenderView.h" |
| #include "core/rendering/style/ShadowList.h" |
| #include "core/rendering/svg/SVGRenderSupport.h" |
| #include "core/rendering/svg/SVGResourcesCache.h" |
| #include "core/svg/SVGElement.h" |
| |
| namespace blink { |
| |
| RenderSVGBlock::RenderSVGBlock(SVGElement* element) |
| : RenderBlockFlow(element) |
| { |
| } |
| |
| LayoutRect RenderSVGBlock::visualOverflowRect() const |
| { |
| LayoutRect borderRect = borderBoxRect(); |
| |
| if (const ShadowList* textShadow = style()->textShadow()) |
| textShadow->adjustRectForShadow(borderRect); |
| |
| return borderRect; |
| } |
| |
| void RenderSVGBlock::updateFromStyle() |
| { |
| RenderBlock::updateFromStyle(); |
| |
| // RenderSVGlock, used by Render(SVGText|ForeignObject), is not allowed to call setHasOverflowClip(true). |
| // RenderBlock assumes a layer to be present when the overflow clip functionality is requested. Both |
| // Render(SVGText|ForeignObject) return 'NoLayer' on 'layerTypeRequired'. Fine for RenderSVGText. |
| // |
| // If we want to support overflow rules for <foreignObject> we can choose between two solutions: |
| // a) make RenderSVGForeignObject require layers and SVG layer aware |
| // b) reactor overflow logic out of RenderLayer (as suggested by dhyatt), which is a large task |
| // |
| // Until this is resolved, disable overflow support. Opera/FF don't support it as well at the moment (Feb 2010). |
| // |
| // Note: This does NOT affect overflow handling on outer/inner <svg> elements - this is handled |
| // manually by RenderSVGRoot - which owns the documents enclosing root layer and thus works fine. |
| setHasOverflowClip(false); |
| } |
| |
| void RenderSVGBlock::absoluteRects(Vector<IntRect>&, const LayoutPoint&) const |
| { |
| // This code path should never be taken for SVG, as we're assuming useTransforms=true everywhere, absoluteQuads should be used. |
| ASSERT_NOT_REACHED(); |
| } |
| |
| void RenderSVGBlock::willBeDestroyed() |
| { |
| SVGResourcesCache::clientDestroyed(this); |
| RenderBlockFlow::willBeDestroyed(); |
| } |
| |
| void RenderSVGBlock::styleDidChange(StyleDifference diff, const RenderStyle* oldStyle) |
| { |
| if (diff.needsFullLayout()) |
| setNeedsBoundariesUpdate(); |
| |
| RenderBlock::styleDidChange(diff, oldStyle); |
| SVGResourcesCache::clientStyleChanged(this, diff, style()); |
| } |
| |
| void RenderSVGBlock::mapLocalToContainer(const RenderLayerModelObject* paintInvalidationContainer, TransformState& transformState, MapCoordinatesFlags, bool* wasFixed, const PaintInvalidationState* paintInvalidationState) const |
| { |
| SVGRenderSupport::mapLocalToContainer(this, paintInvalidationContainer, transformState, wasFixed, paintInvalidationState); |
| } |
| |
| const RenderObject* RenderSVGBlock::pushMappingToContainer(const RenderLayerModelObject* ancestorToStopAt, RenderGeometryMap& geometryMap) const |
| { |
| return SVGRenderSupport::pushMappingToContainer(this, ancestorToStopAt, geometryMap); |
| } |
| |
| LayoutRect RenderSVGBlock::clippedOverflowRectForPaintInvalidation(const RenderLayerModelObject* paintInvalidationContainer, const PaintInvalidationState* paintInvalidationState) const |
| { |
| return SVGRenderSupport::clippedOverflowRectForPaintInvalidation(this, paintInvalidationContainer, paintInvalidationState); |
| } |
| |
| void RenderSVGBlock::computeFloatRectForPaintInvalidation(const RenderLayerModelObject* paintInvalidationContainer, FloatRect& paintInvalidationRect, const PaintInvalidationState* paintInvalidationState) const |
| { |
| SVGRenderSupport::computeFloatRectForPaintInvalidation(this, paintInvalidationContainer, paintInvalidationRect, paintInvalidationState); |
| } |
| |
| bool RenderSVGBlock::nodeAtPoint(const HitTestRequest&, HitTestResult&, const HitTestLocation&, const LayoutPoint&, HitTestAction) |
| { |
| ASSERT_NOT_REACHED(); |
| return false; |
| } |
| |
| void RenderSVGBlock::invalidateTreeIfNeeded(const PaintInvalidationState& paintInvalidationState) |
| { |
| if (!shouldCheckForPaintInvalidation(paintInvalidationState)) |
| return; |
| |
| ForceHorriblySlowRectMapping slowRectMapping(&paintInvalidationState); |
| RenderBlockFlow::invalidateTreeIfNeeded(paintInvalidationState); |
| } |
| |
| } |