| /* |
| * Copyright (c) 2009, Google 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: |
| * |
| * * Redistributions of source code must retain the above copyright |
| * notice, this list of conditions and the following disclaimer. |
| * * 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. |
| * * Neither the name of Google Inc. nor the names of its |
| * contributors may be used to endorse or promote products derived from |
| * this software without specific prior written permission. |
| * |
| * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND 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 THE COPYRIGHT |
| * OWNER 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 "core/rendering/svg/RenderSVGModelObject.h" |
| |
| #include "core/rendering/RenderLayer.h" |
| #include "core/rendering/RenderView.h" |
| #include "core/rendering/svg/RenderSVGContainer.h" |
| #include "core/rendering/svg/RenderSVGRoot.h" |
| #include "core/rendering/svg/SVGRenderSupport.h" |
| #include "core/rendering/svg/SVGResourcesCache.h" |
| #include "core/svg/SVGGraphicsElement.h" |
| |
| namespace blink { |
| |
| RenderSVGModelObject::RenderSVGModelObject(SVGElement* node) |
| : RenderObject(node) |
| { |
| } |
| |
| bool RenderSVGModelObject::isChildAllowed(RenderObject* child, RenderStyle*) const |
| { |
| return child->isSVG() && !(child->isSVGInline() || child->isSVGInlineText()); |
| } |
| |
| LayoutRect RenderSVGModelObject::clippedOverflowRectForPaintInvalidation(const RenderLayerModelObject* paintInvalidationContainer, const PaintInvalidationState* paintInvalidationState) const |
| { |
| return SVGRenderSupport::clippedOverflowRectForPaintInvalidation(this, paintInvalidationContainer, paintInvalidationState); |
| } |
| |
| void RenderSVGModelObject::computeFloatRectForPaintInvalidation(const RenderLayerModelObject* paintInvalidationContainer, FloatRect& paintInvalidationRect, const PaintInvalidationState* paintInvalidationState) const |
| { |
| SVGRenderSupport::computeFloatRectForPaintInvalidation(this, paintInvalidationContainer, paintInvalidationRect, paintInvalidationState); |
| } |
| |
| void RenderSVGModelObject::mapLocalToContainer(const RenderLayerModelObject* paintInvalidationContainer, TransformState& transformState, MapCoordinatesFlags, bool* wasFixed, const PaintInvalidationState* paintInvalidationState) const |
| { |
| SVGRenderSupport::mapLocalToContainer(this, paintInvalidationContainer, transformState, wasFixed, paintInvalidationState); |
| } |
| |
| const RenderObject* RenderSVGModelObject::pushMappingToContainer(const RenderLayerModelObject* ancestorToStopAt, RenderGeometryMap& geometryMap) const |
| { |
| return SVGRenderSupport::pushMappingToContainer(this, ancestorToStopAt, geometryMap); |
| } |
| |
| void RenderSVGModelObject::absoluteRects(Vector<IntRect>& rects, const LayoutPoint& accumulatedOffset) const |
| { |
| IntRect rect = enclosingIntRect(strokeBoundingBox()); |
| rect.moveBy(roundedIntPoint(accumulatedOffset)); |
| rects.append(rect); |
| } |
| |
| void RenderSVGModelObject::absoluteQuads(Vector<FloatQuad>& quads, bool* wasFixed) const |
| { |
| quads.append(localToAbsoluteQuad(strokeBoundingBox(), 0 /* mode */, wasFixed)); |
| } |
| |
| void RenderSVGModelObject::willBeDestroyed() |
| { |
| SVGResourcesCache::clientDestroyed(this); |
| RenderObject::willBeDestroyed(); |
| } |
| |
| void RenderSVGModelObject::computeLayerHitTestRects(LayerHitTestRects& rects) const |
| { |
| // Using just the rect for the SVGRoot is good enough for now. |
| SVGRenderSupport::findTreeRootObject(this)->computeLayerHitTestRects(rects); |
| } |
| |
| void RenderSVGModelObject::addLayerHitTestRects(LayerHitTestRects&, const RenderLayer* currentLayer, const LayoutPoint& layerOffset, const LayoutRect& containerRect) const |
| { |
| // We don't walk into SVG trees at all - just report their container. |
| } |
| |
| void RenderSVGModelObject::styleDidChange(StyleDifference diff, const RenderStyle* oldStyle) |
| { |
| if (diff.needsFullLayout()) { |
| setNeedsBoundariesUpdate(); |
| if (style()->hasTransform()) |
| setNeedsTransformUpdate(); |
| } |
| |
| RenderObject::styleDidChange(diff, oldStyle); |
| SVGResourcesCache::clientStyleChanged(this, diff, style()); |
| } |
| |
| bool RenderSVGModelObject::nodeAtPoint(const HitTestRequest&, HitTestResult&, const HitTestLocation&, const LayoutPoint&, HitTestAction) |
| { |
| ASSERT_NOT_REACHED(); |
| return false; |
| } |
| |
| // The SVG addFocusRingRects() method adds rects in local coordinates so the default absoluteFocusRingQuads |
| // returns incorrect values for SVG objects. Overriding this method provides access to the absolute bounds. |
| void RenderSVGModelObject::absoluteFocusRingQuads(Vector<FloatQuad>& quads) |
| { |
| quads.append(localToAbsoluteQuad(FloatQuad(paintInvalidationRectInLocalCoordinates()))); |
| } |
| |
| void RenderSVGModelObject::invalidateTreeIfNeeded(const PaintInvalidationState& paintInvalidationState) |
| { |
| // Note: This is a reduced version of RenderBox::invalidateTreeIfNeeded(). |
| // FIXME: Should share code with RenderBox::invalidateTreeIfNeeded(). |
| ASSERT(!needsLayout()); |
| |
| if (!shouldCheckForPaintInvalidation(paintInvalidationState)) |
| return; |
| |
| invalidatePaintIfNeeded(paintInvalidationState); |
| |
| RenderObject::invalidateTreeIfNeeded(paintInvalidationState); |
| } |
| |
| void RenderSVGModelObject::invalidatePaintIfNeeded(const PaintInvalidationState& paintInvalidationState) |
| { |
| ForceHorriblySlowRectMapping slowRectMapping(&paintInvalidationState); |
| |
| const LayoutRect oldPaintInvalidationRect = previousPaintInvalidationRect(); |
| const LayoutPoint oldPositionFromPaintInvalidationContainer = previousPositionFromPaintInvalidationContainer(); |
| ASSERT(paintInvalidationState.paintInvalidationContainer() == containerForPaintInvalidation()); |
| setPreviousPaintInvalidationRect(boundsRectForPaintInvalidation(&paintInvalidationState.paintInvalidationContainer(), &paintInvalidationState)); |
| setPreviousPositionFromPaintInvalidationContainer(RenderLayer::positionFromPaintInvalidationContainer(this, &paintInvalidationState.paintInvalidationContainer(), &paintInvalidationState)); |
| |
| // If we are set to do a full paint invalidation that means the RenderView will be |
| // issue paint invalidations. We can then skip issuing of paint invalidations for the child |
| // renderers as they'll be covered by the RenderView. |
| if (view()->doingFullPaintInvalidation()) |
| return; |
| |
| RenderObject::invalidatePaintIfNeeded(paintInvalidationState.paintInvalidationContainer(), oldPaintInvalidationRect, oldPositionFromPaintInvalidationContainer, paintInvalidationState); |
| } |
| |
| } // namespace blink |