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| 1 /* | |
| 2 * Copyright (c) 2009, Google Inc. All rights reserved. | |
| 3 * | |
| 4 * Redistribution and use in source and binary forms, with or without | |
| 5 * modification, are permitted provided that the following conditions are | |
| 6 * met: | |
| 7 * | |
| 8 * * Redistributions of source code must retain the above copyright | |
| 9 * notice, this list of conditions and the following disclaimer. | |
| 10 * * Redistributions in binary form must reproduce the above | |
| 11 * copyright notice, this list of conditions and the following disclaimer | |
| 12 * in the documentation and/or other materials provided with the | |
| 13 * distribution. | |
| 14 * * Neither the name of Google Inc. nor the names of its | |
| 15 * contributors may be used to endorse or promote products derived from | |
| 16 * this software without specific prior written permission. | |
| 17 * | |
| 18 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS | |
| 19 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT | |
| 20 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR | |
| 21 * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT | |
| 22 * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, | |
| 23 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT | |
| 24 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, | |
| 25 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY | |
| 26 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT | |
| 27 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE | |
| 28 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. | |
| 29 */ | |
| 30 | |
| 31 #include "config.h" | |
| 32 #include "core/rendering/svg/RenderSVGModelObject.h" | |
| 33 | |
| 34 #include "core/layout/Layer.h" | |
| 35 #include "core/layout/svg/LayoutSVGContainer.h" | |
| 36 #include "core/layout/svg/SVGLayoutSupport.h" | |
| 37 #include "core/layout/svg/SVGResourcesCache.h" | |
| 38 #include "core/rendering/RenderView.h" | |
| 39 #include "core/rendering/svg/RenderSVGRoot.h" | |
| 40 #include "core/svg/SVGGraphicsElement.h" | |
| 41 | |
| 42 namespace blink { | |
| 43 | |
| 44 RenderSVGModelObject::RenderSVGModelObject(SVGElement* node) | |
| 45 : LayoutObject(node) | |
| 46 { | |
| 47 } | |
| 48 | |
| 49 bool RenderSVGModelObject::isChildAllowed(LayoutObject* child, const LayoutStyle
&) const | |
| 50 { | |
| 51 return child->isSVG() && !(child->isSVGInline() || child->isSVGInlineText())
; | |
| 52 } | |
| 53 | |
| 54 LayoutRect RenderSVGModelObject::clippedOverflowRectForPaintInvalidation(const L
ayoutLayerModelObject* paintInvalidationContainer, const PaintInvalidationState*
paintInvalidationState) const | |
| 55 { | |
| 56 return SVGLayoutSupport::clippedOverflowRectForPaintInvalidation(this, paint
InvalidationContainer, paintInvalidationState); | |
| 57 } | |
| 58 | |
| 59 void RenderSVGModelObject::mapLocalToContainer(const LayoutLayerModelObject* pai
ntInvalidationContainer, TransformState& transformState, MapCoordinatesFlags, bo
ol* wasFixed, const PaintInvalidationState* paintInvalidationState) const | |
| 60 { | |
| 61 SVGLayoutSupport::mapLocalToContainer(this, paintInvalidationContainer, tran
sformState, wasFixed, paintInvalidationState); | |
| 62 } | |
| 63 | |
| 64 const LayoutObject* RenderSVGModelObject::pushMappingToContainer(const LayoutLay
erModelObject* ancestorToStopAt, LayoutGeometryMap& geometryMap) const | |
| 65 { | |
| 66 return SVGLayoutSupport::pushMappingToContainer(this, ancestorToStopAt, geom
etryMap); | |
| 67 } | |
| 68 | |
| 69 void RenderSVGModelObject::absoluteRects(Vector<IntRect>& rects, const LayoutPoi
nt& accumulatedOffset) const | |
| 70 { | |
| 71 IntRect rect = enclosingIntRect(strokeBoundingBox()); | |
| 72 rect.moveBy(roundedIntPoint(accumulatedOffset)); | |
| 73 rects.append(rect); | |
| 74 } | |
| 75 | |
| 76 void RenderSVGModelObject::absoluteQuads(Vector<FloatQuad>& quads, bool* wasFixe
d) const | |
| 77 { | |
| 78 quads.append(localToAbsoluteQuad(strokeBoundingBox(), 0 /* mode */, wasFixed
)); | |
| 79 } | |
| 80 | |
| 81 void RenderSVGModelObject::willBeDestroyed() | |
| 82 { | |
| 83 SVGResourcesCache::clientDestroyed(this); | |
| 84 LayoutObject::willBeDestroyed(); | |
| 85 } | |
| 86 | |
| 87 void RenderSVGModelObject::computeLayerHitTestRects(LayerHitTestRects& rects) co
nst | |
| 88 { | |
| 89 // Using just the rect for the SVGRoot is good enough for now. | |
| 90 SVGLayoutSupport::findTreeRootObject(this)->computeLayerHitTestRects(rects); | |
| 91 } | |
| 92 | |
| 93 void RenderSVGModelObject::addLayerHitTestRects(LayerHitTestRects&, const Layer*
currentLayer, const LayoutPoint& layerOffset, const LayoutRect& containerRect)
const | |
| 94 { | |
| 95 // We don't walk into SVG trees at all - just report their container. | |
| 96 } | |
| 97 | |
| 98 void RenderSVGModelObject::styleDidChange(StyleDifference diff, const LayoutStyl
e* oldStyle) | |
| 99 { | |
| 100 if (diff.needsFullLayout()) { | |
| 101 setNeedsBoundariesUpdate(); | |
| 102 if (style()->hasTransform()) | |
| 103 setNeedsTransformUpdate(); | |
| 104 } | |
| 105 | |
| 106 if (isBlendingAllowed()) { | |
| 107 bool hasBlendModeChanged = (oldStyle && oldStyle->hasBlendMode()) == !st
yle()->hasBlendMode(); | |
| 108 if (parent() && hasBlendModeChanged) | |
| 109 parent()->descendantIsolationRequirementsChanged(style()->hasBlendMo
de() ? DescendantIsolationRequired : DescendantIsolationNeedsUpdate); | |
| 110 } | |
| 111 | |
| 112 LayoutObject::styleDidChange(diff, oldStyle); | |
| 113 SVGResourcesCache::clientStyleChanged(this, diff, styleRef()); | |
| 114 } | |
| 115 | |
| 116 bool RenderSVGModelObject::nodeAtPoint(const HitTestRequest&, HitTestResult&, co
nst HitTestLocation&, const LayoutPoint&, HitTestAction) | |
| 117 { | |
| 118 ASSERT_NOT_REACHED(); | |
| 119 return false; | |
| 120 } | |
| 121 | |
| 122 // The SVG addFocusRingRects() method adds rects in local coordinates so the def
ault absoluteFocusRingBoundingBoxRect | |
| 123 // returns incorrect values for SVG objects. Overriding this method provides acc
ess to the absolute bounds. | |
| 124 IntRect RenderSVGModelObject::absoluteFocusRingBoundingBoxRect() const | |
| 125 { | |
| 126 return localToAbsoluteQuad(FloatQuad(paintInvalidationRectInLocalCoordinates
())).enclosingBoundingBox(); | |
| 127 } | |
| 128 | |
| 129 void RenderSVGModelObject::invalidateTreeIfNeeded(const PaintInvalidationState&
paintInvalidationState) | |
| 130 { | |
| 131 ASSERT(!needsLayout()); | |
| 132 | |
| 133 // If we didn't need paint invalidation then our children don't need as well
. | |
| 134 // Skip walking down the tree as everything should be fine below us. | |
| 135 if (!shouldCheckForPaintInvalidation(paintInvalidationState)) | |
| 136 return; | |
| 137 | |
| 138 invalidatePaintIfNeeded(paintInvalidationState, paintInvalidationState.paint
InvalidationContainer()); | |
| 139 clearPaintInvalidationState(paintInvalidationState); | |
| 140 | |
| 141 PaintInvalidationState childPaintInvalidationState(paintInvalidationState, *
this); | |
| 142 invalidatePaintOfSubtreesIfNeeded(childPaintInvalidationState); | |
| 143 } | |
| 144 | |
| 145 } // namespace blink | |
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Chromium Code Reviews
Issue 933953003:
Move the remaining rendering/svg/RenderSVG* files to layout. (Closed)
Base URL: svn://svn.chromium.org/blink/trunk