18e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project/* 28e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project * Copyright (C) 2006 Apple Computer, Inc. 35f1ab04193ad0130ca8204aadaceae083aca9881Feng Qian * Copyright (C) 2009 Google, Inc. 4692e5dbf12901edacf14812a6fae25462920af42Steve Block * Copyright (C) Research In Motion Limited 2010. All rights reserved. 58e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project * 68e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project * This library is free software; you can redistribute it and/or 78e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project * modify it under the terms of the GNU Library General Public 88e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project * License as published by the Free Software Foundation; either 98e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project * version 2 of the License, or (at your option) any later version. 108e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project * 118e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project * This library is distributed in the hope that it will be useful, 128e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project * but WITHOUT ANY WARRANTY; without even the implied warranty of 138e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU 148e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project * Library General Public License for more details. 158e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project * 168e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project * You should have received a copy of the GNU Library General Public License 178e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project * along with this library; see the file COPYING.LIB. If not, write to 188e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project * the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, 198e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project * Boston, MA 02110-1301, USA. 208e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project */ 218e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project 228e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project#include "config.h" 238e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project 248e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project#if ENABLE(SVG) && ENABLE(SVG_FOREIGN_OBJECT) 2565f03d4f644ce73618e5f4f50dd694b26f55ae12Ben Murdoch#include "RenderSVGForeignObject.h" 268e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project 278e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project#include "GraphicsContext.h" 28967717af5423377c967781471ee106e2bb4e11c8Ben Murdoch#include "RenderSVGResource.h" 298e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project#include "RenderView.h" 308e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project#include "SVGForeignObjectElement.h" 315f1ab04193ad0130ca8204aadaceae083aca9881Feng Qian#include "SVGRenderSupport.h" 32692e5dbf12901edacf14812a6fae25462920af42Steve Block#include "SVGSVGElement.h" 33692e5dbf12901edacf14812a6fae25462920af42Steve Block#include "TransformState.h" 348e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project 358e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Projectnamespace WebCore { 368e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project 3765f03d4f644ce73618e5f4f50dd694b26f55ae12Ben MurdochRenderSVGForeignObject::RenderSVGForeignObject(SVGForeignObjectElement* node) 388e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project : RenderSVGBlock(node) 39dcc8cf2e65d1aa555cce12431a16547e66b469eeSteve Block , m_needsTransformUpdate(true) 408e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project{ 418e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project} 428e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project 4365f03d4f644ce73618e5f4f50dd694b26f55ae12Ben MurdochRenderSVGForeignObject::~RenderSVGForeignObject() 44a94275402997c11dd2e778633dacf4b7e630a35dBen Murdoch{ 45a94275402997c11dd2e778633dacf4b7e630a35dBen Murdoch} 46a94275402997c11dd2e778633dacf4b7e630a35dBen Murdoch 4765f03d4f644ce73618e5f4f50dd694b26f55ae12Ben Murdochvoid RenderSVGForeignObject::paint(PaintInfo& paintInfo, int, int) 488e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project{ 498e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project if (paintInfo.context->paintingDisabled()) 508e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project return; 518e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project 52692e5dbf12901edacf14812a6fae25462920af42Steve Block PaintInfo childPaintInfo(paintInfo); 535f1ab04193ad0130ca8204aadaceae083aca9881Feng Qian childPaintInfo.context->save(); 54ca9cb53ed1119a3fd98fafa0972ffeb56dee1c24Steve Block childPaintInfo.applyTransform(localTransform()); 55692e5dbf12901edacf14812a6fae25462920af42Steve Block 56ca9cb53ed1119a3fd98fafa0972ffeb56dee1c24Steve Block if (SVGRenderSupport::isOverflowHidden(this)) 57692e5dbf12901edacf14812a6fae25462920af42Steve Block childPaintInfo.context->clip(m_viewport); 588e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project 598e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project float opacity = style()->opacity(); 608e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project if (opacity < 1.0f) 615f1ab04193ad0130ca8204aadaceae083aca9881Feng Qian childPaintInfo.context->beginTransparencyLayer(opacity); 628e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project 635f1ab04193ad0130ca8204aadaceae083aca9881Feng Qian RenderBlock::paint(childPaintInfo, 0, 0); 648e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project 658e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project if (opacity < 1.0f) 665f1ab04193ad0130ca8204aadaceae083aca9881Feng Qian childPaintInfo.context->endTransparencyLayer(); 678e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project 685f1ab04193ad0130ca8204aadaceae083aca9881Feng Qian childPaintInfo.context->restore(); 698e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project} 708e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project 7165f03d4f644ce73618e5f4f50dd694b26f55ae12Ben MurdochIntRect RenderSVGForeignObject::clippedOverflowRectForRepaint(RenderBoxModelObject* repaintContainer) 725f1ab04193ad0130ca8204aadaceae083aca9881Feng Qian{ 73ca9cb53ed1119a3fd98fafa0972ffeb56dee1c24Steve Block return SVGRenderSupport::clippedOverflowRectForRepaint(this, repaintContainer); 745f1ab04193ad0130ca8204aadaceae083aca9881Feng Qian} 755f1ab04193ad0130ca8204aadaceae083aca9881Feng Qian 7665f03d4f644ce73618e5f4f50dd694b26f55ae12Ben Murdochvoid RenderSVGForeignObject::computeRectForRepaint(RenderBoxModelObject* repaintContainer, IntRect& repaintRect, bool fixed) 778e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project{ 78ca9cb53ed1119a3fd98fafa0972ffeb56dee1c24Steve Block SVGRenderSupport::computeRectForRepaint(this, repaintContainer, repaintRect, fixed); 795f1ab04193ad0130ca8204aadaceae083aca9881Feng Qian} 808e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project 8165f03d4f644ce73618e5f4f50dd694b26f55ae12Ben Murdochconst AffineTransform& RenderSVGForeignObject::localToParentTransform() const 825f1ab04193ad0130ca8204aadaceae083aca9881Feng Qian{ 83692e5dbf12901edacf14812a6fae25462920af42Steve Block m_localToParentTransform = localTransform(); 84692e5dbf12901edacf14812a6fae25462920af42Steve Block m_localToParentTransform.translate(m_viewport.x(), m_viewport.y()); 85692e5dbf12901edacf14812a6fae25462920af42Steve Block return m_localToParentTransform; 868e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project} 878e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project 8865f03d4f644ce73618e5f4f50dd694b26f55ae12Ben Murdochvoid RenderSVGForeignObject::computeLogicalWidth() 898e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project{ 90692e5dbf12901edacf14812a6fae25462920af42Steve Block // FIXME: Investigate in size rounding issues 91692e5dbf12901edacf14812a6fae25462920af42Steve Block setWidth(static_cast<int>(roundf(m_viewport.width()))); 92692e5dbf12901edacf14812a6fae25462920af42Steve Block} 93692e5dbf12901edacf14812a6fae25462920af42Steve Block 9465f03d4f644ce73618e5f4f50dd694b26f55ae12Ben Murdochvoid RenderSVGForeignObject::computeLogicalHeight() 95692e5dbf12901edacf14812a6fae25462920af42Steve Block{ 96692e5dbf12901edacf14812a6fae25462920af42Steve Block // FIXME: Investigate in size rounding issues 97692e5dbf12901edacf14812a6fae25462920af42Steve Block setHeight(static_cast<int>(roundf(m_viewport.height()))); 988e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project} 998e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project 10065f03d4f644ce73618e5f4f50dd694b26f55ae12Ben Murdochvoid RenderSVGForeignObject::layout() 1018e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project{ 1028e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project ASSERT(needsLayout()); 1035f1ab04193ad0130ca8204aadaceae083aca9881Feng Qian ASSERT(!view()->layoutStateEnabled()); // RenderSVGRoot disables layoutState for the SVG rendering tree. 1048e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project 105bec39347bb3bb5bf1187ccaf471d26247f28b585Kristian Monsen LayoutRepainter repainter(*this, checkForRepaintDuringLayout()); 106692e5dbf12901edacf14812a6fae25462920af42Steve Block SVGForeignObjectElement* foreign = static_cast<SVGForeignObjectElement*>(node()); 107dcc8cf2e65d1aa555cce12431a16547e66b469eeSteve Block 1085ddde30071f639962dd557c453f2ad01f8f0fd00Kristian Monsen bool updateCachedBoundariesInParents = false; 109dcc8cf2e65d1aa555cce12431a16547e66b469eeSteve Block if (m_needsTransformUpdate) { 110dcc8cf2e65d1aa555cce12431a16547e66b469eeSteve Block m_localTransform = foreign->animatedLocalTransform(); 111dcc8cf2e65d1aa555cce12431a16547e66b469eeSteve Block m_needsTransformUpdate = false; 1125ddde30071f639962dd557c453f2ad01f8f0fd00Kristian Monsen updateCachedBoundariesInParents = true; 113dcc8cf2e65d1aa555cce12431a16547e66b469eeSteve Block } 114692e5dbf12901edacf14812a6fae25462920af42Steve Block 1155ddde30071f639962dd557c453f2ad01f8f0fd00Kristian Monsen FloatRect oldViewport = m_viewport; 1165ddde30071f639962dd557c453f2ad01f8f0fd00Kristian Monsen 117692e5dbf12901edacf14812a6fae25462920af42Steve Block // Cache viewport boundaries 118692e5dbf12901edacf14812a6fae25462920af42Steve Block FloatPoint viewportLocation(foreign->x().value(foreign), foreign->y().value(foreign)); 119692e5dbf12901edacf14812a6fae25462920af42Steve Block m_viewport = FloatRect(viewportLocation, FloatSize(foreign->width().value(foreign), foreign->height().value(foreign))); 1205ddde30071f639962dd557c453f2ad01f8f0fd00Kristian Monsen if (!updateCachedBoundariesInParents) 1215ddde30071f639962dd557c453f2ad01f8f0fd00Kristian Monsen updateCachedBoundariesInParents = oldViewport != m_viewport; 122692e5dbf12901edacf14812a6fae25462920af42Steve Block 123692e5dbf12901edacf14812a6fae25462920af42Steve Block // Set box origin to the foreignObject x/y translation, so positioned objects in XHTML content get correct 124692e5dbf12901edacf14812a6fae25462920af42Steve Block // positions. A regular RenderBoxModelObject would pull this information from RenderStyle - in SVG those 125692e5dbf12901edacf14812a6fae25462920af42Steve Block // properties are ignored for non <svg> elements, so we mimic what happens when specifying them through CSS. 126692e5dbf12901edacf14812a6fae25462920af42Steve Block 12765f03d4f644ce73618e5f4f50dd694b26f55ae12Ben Murdoch // FIXME: Investigate in location rounding issues - only affects RenderSVGForeignObject & RenderSVGText 128692e5dbf12901edacf14812a6fae25462920af42Steve Block setLocation(roundedIntPoint(viewportLocation)); 129db14019a23d96bc8a444b6576a5da8bd1cfbc8b0Steve Block 130db14019a23d96bc8a444b6576a5da8bd1cfbc8b0Steve Block bool layoutChanged = m_everHadLayout && selfNeedsLayout(); 1318e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project RenderBlock::layout(); 132db14019a23d96bc8a444b6576a5da8bd1cfbc8b0Steve Block ASSERT(!needsLayout()); 1338e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project 1345ddde30071f639962dd557c453f2ad01f8f0fd00Kristian Monsen // If our bounds changed, notify the parents. 1355ddde30071f639962dd557c453f2ad01f8f0fd00Kristian Monsen if (updateCachedBoundariesInParents) 1365ddde30071f639962dd557c453f2ad01f8f0fd00Kristian Monsen RenderSVGBlock::setNeedsBoundariesUpdate(); 1375ddde30071f639962dd557c453f2ad01f8f0fd00Kristian Monsen 138db14019a23d96bc8a444b6576a5da8bd1cfbc8b0Steve Block // Invalidate all resources of this client if our layout changed. 139db14019a23d96bc8a444b6576a5da8bd1cfbc8b0Steve Block if (layoutChanged) 140db14019a23d96bc8a444b6576a5da8bd1cfbc8b0Steve Block SVGResourcesCache::clientLayoutChanged(this); 141967717af5423377c967781471ee106e2bb4e11c8Ben Murdoch 142692e5dbf12901edacf14812a6fae25462920af42Steve Block repainter.repaintAfterLayout(); 1438e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project} 1448e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project 14565f03d4f644ce73618e5f4f50dd694b26f55ae12Ben Murdochbool RenderSVGForeignObject::nodeAtFloatPoint(const HitTestRequest& request, HitTestResult& result, const FloatPoint& pointInParent, HitTestAction hitTestAction) 1465f1ab04193ad0130ca8204aadaceae083aca9881Feng Qian{ 147692e5dbf12901edacf14812a6fae25462920af42Steve Block FloatPoint localPoint = localTransform().inverse().mapPoint(pointInParent); 148692e5dbf12901edacf14812a6fae25462920af42Steve Block 149692e5dbf12901edacf14812a6fae25462920af42Steve Block // Early exit if local point is not contained in clipped viewport area 150ca9cb53ed1119a3fd98fafa0972ffeb56dee1c24Steve Block if (SVGRenderSupport::isOverflowHidden(this) && !m_viewport.contains(localPoint)) 151692e5dbf12901edacf14812a6fae25462920af42Steve Block return false; 152692e5dbf12901edacf14812a6fae25462920af42Steve Block 153692e5dbf12901edacf14812a6fae25462920af42Steve Block IntPoint roundedLocalPoint = roundedIntPoint(localPoint); 154692e5dbf12901edacf14812a6fae25462920af42Steve Block return RenderBlock::nodeAtPoint(request, result, roundedLocalPoint.x(), roundedLocalPoint.y(), 0, 0, hitTestAction); 1555f1ab04193ad0130ca8204aadaceae083aca9881Feng Qian} 1565f1ab04193ad0130ca8204aadaceae083aca9881Feng Qian 15765f03d4f644ce73618e5f4f50dd694b26f55ae12Ben Murdochbool RenderSVGForeignObject::nodeAtPoint(const HitTestRequest&, HitTestResult&, int, int, int, int, HitTestAction) 1588e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project{ 1595f1ab04193ad0130ca8204aadaceae083aca9881Feng Qian ASSERT_NOT_REACHED(); 1605f1ab04193ad0130ca8204aadaceae083aca9881Feng Qian return false; 1618e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project} 1628e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project 16365f03d4f644ce73618e5f4f50dd694b26f55ae12Ben Murdochvoid RenderSVGForeignObject::mapLocalToContainer(RenderBoxModelObject* repaintContainer, bool fixed, bool useTransforms, TransformState& transformState) const 164d0825bca7fe65beaee391d30da42e937db621564Steve Block{ 165692e5dbf12901edacf14812a6fae25462920af42Steve Block // When crawling up the hierachy starting from foreignObject child content, useTransforms may not be set to true. 166692e5dbf12901edacf14812a6fae25462920af42Steve Block if (!useTransforms) 167692e5dbf12901edacf14812a6fae25462920af42Steve Block useTransforms = true; 168ca9cb53ed1119a3fd98fafa0972ffeb56dee1c24Steve Block SVGRenderSupport::mapLocalToContainer(this, repaintContainer, fixed, useTransforms, transformState); 169d0825bca7fe65beaee391d30da42e937db621564Steve Block} 170d0825bca7fe65beaee391d30da42e937db621564Steve Block 171692e5dbf12901edacf14812a6fae25462920af42Steve Block} 1728e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project 173692e5dbf12901edacf14812a6fae25462920af42Steve Block#endif 174