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1 /* | 1 /* |
2 * Copyright (C) 2004, 2005, 2006 Nikolas Zimmermann <zimmermann@kde.org> | 2 * Copyright (C) 2004, 2005, 2006 Nikolas Zimmermann <zimmermann@kde.org> |
3 * Copyright (C) 2004, 2005, 2006, 2007, 2008, 2010 Rob Buis <buis@kde.org> | 3 * Copyright (C) 2004, 2005, 2006, 2007, 2008, 2010 Rob Buis <buis@kde.org> |
4 * Copyright (C) 2007 Apple Inc. All rights reserved. | 4 * Copyright (C) 2007 Apple Inc. All rights reserved. |
5 * Copyright (C) 2014 Google, Inc. | 5 * Copyright (C) 2014 Google, Inc. |
6 * | 6 * |
7 * This library is free software; you can redistribute it and/or | 7 * This library is free software; you can redistribute it and/or |
8 * modify it under the terms of the GNU Library General Public | 8 * modify it under the terms of the GNU Library General Public |
9 * License as published by the Free Software Foundation; either | 9 * License as published by the Free Software Foundation; either |
10 * version 2 of the License, or (at your option) any later version. | 10 * version 2 of the License, or (at your option) any later version. |
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198 } | 198 } |
199 | 199 |
200 void SVGSVGElement::setCurrentTranslate(const FloatPoint& point) | 200 void SVGSVGElement::setCurrentTranslate(const FloatPoint& point) |
201 { | 201 { |
202 m_translation->setValue(point); | 202 m_translation->setValue(point); |
203 updateCurrentTranslate(); | 203 updateCurrentTranslate(); |
204 } | 204 } |
205 | 205 |
206 void SVGSVGElement::updateCurrentTranslate() | 206 void SVGSVGElement::updateCurrentTranslate() |
207 { | 207 { |
208 if (LayoutObject* object = renderer()) | 208 if (LayoutObject* object = layoutObject()) |
209 object->setNeedsLayoutAndFullPaintInvalidation(); | 209 object->setNeedsLayoutAndFullPaintInvalidation(); |
210 } | 210 } |
211 | 211 |
212 bool SVGSVGElement::zoomAndPanEnabled() const | 212 bool SVGSVGElement::zoomAndPanEnabled() const |
213 { | 213 { |
214 const SVGZoomAndPan* currentViewSpec = this; | 214 const SVGZoomAndPan* currentViewSpec = this; |
215 if (m_useCurrentView) | 215 if (m_useCurrentView) |
216 currentViewSpec = m_viewSpec.get(); | 216 currentViewSpec = m_viewSpec.get(); |
217 return currentViewSpec && currentViewSpec->zoomAndPan() == SVGZoomAndPanMagn
ify; | 217 return currentViewSpec && currentViewSpec->zoomAndPan() == SVGZoomAndPanMagn
ify; |
218 } | 218 } |
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295 invalidateRelativeLengthClients(); | 295 invalidateRelativeLengthClients(); |
296 | 296 |
297 // At the SVG/HTML boundary (aka LayoutSVGRoot), the width and | 297 // At the SVG/HTML boundary (aka LayoutSVGRoot), the width and |
298 // height attributes can affect the replaced size so we need | 298 // height attributes can affect the replaced size so we need |
299 // to mark it for updating. | 299 // to mark it for updating. |
300 // | 300 // |
301 // FIXME: For width/height animated as XML attributes on SVG | 301 // FIXME: For width/height animated as XML attributes on SVG |
302 // roots, there is an attribute synchronization missing. See | 302 // roots, there is an attribute synchronization missing. See |
303 // http://crbug.com/364807 | 303 // http://crbug.com/364807 |
304 if (widthChanged || heightChanged) { | 304 if (widthChanged || heightChanged) { |
305 LayoutObject* layoutObject = renderer(); | 305 LayoutObject* layoutObject = this->layoutObject(); |
306 if (layoutObject && layoutObject->isSVGRoot()) { | 306 if (layoutObject && layoutObject->isSVGRoot()) { |
307 invalidateSVGPresentationAttributeStyle(); | 307 invalidateSVGPresentationAttributeStyle(); |
308 setNeedsStyleRecalc(LocalStyleChange, StyleChangeReasonForTracin
g::create(StyleChangeReason::SVGContainerSizeChange)); | 308 setNeedsStyleRecalc(LocalStyleChange, StyleChangeReasonForTracin
g::create(StyleChangeReason::SVGContainerSizeChange)); |
309 } | 309 } |
310 } else { | 310 } else { |
311 invalidateSVGPresentationAttributeStyle(); | 311 invalidateSVGPresentationAttributeStyle(); |
312 setNeedsStyleRecalc(LocalStyleChange, | 312 setNeedsStyleRecalc(LocalStyleChange, |
313 StyleChangeReasonForTracing::fromAttribute(attrName)); | 313 StyleChangeReasonForTracing::fromAttribute(attrName)); |
314 } | 314 } |
315 } | 315 } |
316 | 316 |
317 if (SVGFitToViewBox::isKnownAttribute(attrName)) { | 317 if (SVGFitToViewBox::isKnownAttribute(attrName)) { |
318 updateRelativeLengthsOrViewBox = true; | 318 updateRelativeLengthsOrViewBox = true; |
319 if (LayoutObject* object = renderer()) | 319 if (LayoutObject* object = layoutObject()) |
320 object->setNeedsTransformUpdate(); | 320 object->setNeedsTransformUpdate(); |
321 } | 321 } |
322 | 322 |
323 SVGElement::InvalidationGuard invalidationGuard(this); | 323 SVGElement::InvalidationGuard invalidationGuard(this); |
324 | 324 |
325 if (updateRelativeLengthsOrViewBox | 325 if (updateRelativeLengthsOrViewBox |
326 || SVGZoomAndPan::isKnownAttribute(attrName)) { | 326 || SVGZoomAndPan::isKnownAttribute(attrName)) { |
327 if (renderer()) | 327 if (layoutObject()) |
328 markForLayoutAndParentResourceInvalidation(renderer()); | 328 markForLayoutAndParentResourceInvalidation(layoutObject()); |
329 return; | 329 return; |
330 } | 330 } |
331 | 331 |
332 SVGGraphicsElement::svgAttributeChanged(attrName); | 332 SVGGraphicsElement::svgAttributeChanged(attrName); |
333 } | 333 } |
334 | 334 |
335 // FloatRect::intersects does not consider horizontal or vertical lines (because
of isEmpty()). | 335 // FloatRect::intersects does not consider horizontal or vertical lines (because
of isEmpty()). |
336 static bool intersectsAllowingEmpty(const FloatRect& r1, const FloatRect& r2) | 336 static bool intersectsAllowingEmpty(const FloatRect& r1, const FloatRect& r2) |
337 { | 337 { |
338 if (r1.width() < 0 || r1.height() < 0 || r2.width() < 0 || r2.height() < 0) | 338 if (r1.width() < 0 || r1.height() < 0 || r2.width() < 0 || r2.height() < 0) |
339 return false; | 339 return false; |
340 | 340 |
341 return r1.x() < r2.maxX() && r2.x() < r1.maxX() | 341 return r1.x() < r2.maxX() && r2.x() < r1.maxX() |
342 && r1.y() < r2.maxY() && r2.y() < r1.maxY(); | 342 && r1.y() < r2.maxY() && r2.y() < r1.maxY(); |
343 } | 343 } |
344 | 344 |
345 // One of the element types that can cause graphics to be drawn onto the target
canvas. | 345 // One of the element types that can cause graphics to be drawn onto the target
canvas. |
346 // Specifically: circle, ellipse, image, line, path, polygon, polyline, rect, te
xt and use. | 346 // Specifically: circle, ellipse, image, line, path, polygon, polyline, rect, te
xt and use. |
347 static bool isIntersectionOrEnclosureTarget(LayoutObject* renderer) | 347 static bool isIntersectionOrEnclosureTarget(LayoutObject* renderer) |
348 { | 348 { |
349 return renderer->isSVGShape() | 349 return renderer->isSVGShape() |
350 || renderer->isSVGText() | 350 || renderer->isSVGText() |
351 || renderer->isSVGImage() | 351 || renderer->isSVGImage() |
352 || isSVGUseElement(*renderer->node()); | 352 || isSVGUseElement(*renderer->node()); |
353 } | 353 } |
354 | 354 |
355 bool SVGSVGElement::checkIntersectionOrEnclosure(const SVGElement& element, cons
t FloatRect& rect, | 355 bool SVGSVGElement::checkIntersectionOrEnclosure(const SVGElement& element, cons
t FloatRect& rect, |
356 CheckIntersectionOrEnclosure mode) const | 356 CheckIntersectionOrEnclosure mode) const |
357 { | 357 { |
358 LayoutObject* renderer = element.renderer(); | 358 LayoutObject* renderer = element.layoutObject(); |
359 ASSERT(!renderer || renderer->style()); | 359 ASSERT(!renderer || renderer->style()); |
360 if (!renderer || renderer->style()->pointerEvents() == PE_NONE) | 360 if (!renderer || renderer->style()->pointerEvents() == PE_NONE) |
361 return false; | 361 return false; |
362 | 362 |
363 if (!isIntersectionOrEnclosureTarget(renderer)) | 363 if (!isIntersectionOrEnclosureTarget(renderer)) |
364 return false; | 364 return false; |
365 | 365 |
366 AffineTransform ctm = toSVGGraphicsElement(element).computeCTM(AncestorScope
, DisallowStyleUpdate, this); | 366 AffineTransform ctm = toSVGGraphicsElement(element).computeCTM(AncestorScope
, DisallowStyleUpdate, this); |
367 FloatRect mappedRepaintRect = ctm.mapRect(renderer->paintInvalidationRectInL
ocalCoordinates()); | 367 FloatRect mappedRepaintRect = ctm.mapRect(renderer->paintInvalidationRectInL
ocalCoordinates()); |
368 | 368 |
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488 if (!hasEmptyViewBox()) { | 488 if (!hasEmptyViewBox()) { |
489 FloatSize size = currentViewportSize(); | 489 FloatSize size = currentViewportSize(); |
490 viewBoxTransform = viewBoxToViewTransform(size.width(), size.height()); | 490 viewBoxTransform = viewBoxToViewTransform(size.width(), size.height()); |
491 } | 491 } |
492 | 492 |
493 AffineTransform transform; | 493 AffineTransform transform; |
494 if (!isOutermostSVGSVGElement()) { | 494 if (!isOutermostSVGSVGElement()) { |
495 SVGLengthContext lengthContext(this); | 495 SVGLengthContext lengthContext(this); |
496 transform.translate(m_x->currentValue()->value(lengthContext), m_y->curr
entValue()->value(lengthContext)); | 496 transform.translate(m_x->currentValue()->value(lengthContext), m_y->curr
entValue()->value(lengthContext)); |
497 } else if (mode == SVGElement::ScreenScope) { | 497 } else if (mode == SVGElement::ScreenScope) { |
498 if (LayoutObject* renderer = this->renderer()) { | 498 if (LayoutObject* renderer = this->layoutObject()) { |
499 FloatPoint location; | 499 FloatPoint location; |
500 float zoomFactor = 1; | 500 float zoomFactor = 1; |
501 | 501 |
502 // At the SVG/HTML boundary (aka LayoutSVGRoot), we apply the localT
oBorderBoxTransform | 502 // At the SVG/HTML boundary (aka LayoutSVGRoot), we apply the localT
oBorderBoxTransform |
503 // to map an element from SVG viewport coordinates to CSS box coordi
nates. | 503 // to map an element from SVG viewport coordinates to CSS box coordi
nates. |
504 // LayoutSVGRoot's localToAbsolute method expects CSS box coordinate
s. | 504 // LayoutSVGRoot's localToAbsolute method expects CSS box coordinate
s. |
505 // We also need to adjust for the zoom level factored into CSS coord
inates (bug #96361). | 505 // We also need to adjust for the zoom level factored into CSS coord
inates (bug #96361). |
506 if (renderer->isSVGRoot()) { | 506 if (renderer->isSVGRoot()) { |
507 location = toLayoutSVGRoot(renderer)->localToBorderBoxTransform(
).mapPoint(location); | 507 location = toLayoutSVGRoot(renderer)->localToBorderBoxTransform(
).mapPoint(location); |
508 zoomFactor = 1 / renderer->style()->effectiveZoom(); | 508 zoomFactor = 1 / renderer->style()->effectiveZoom(); |
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616 } | 616 } |
617 | 617 |
618 FloatRect SVGSVGElement::currentViewBoxRect() const | 618 FloatRect SVGSVGElement::currentViewBoxRect() const |
619 { | 619 { |
620 if (m_useCurrentView) | 620 if (m_useCurrentView) |
621 return m_viewSpec ? m_viewSpec->viewBox()->currentValue()->value() : Flo
atRect(); | 621 return m_viewSpec ? m_viewSpec->viewBox()->currentValue()->value() : Flo
atRect(); |
622 | 622 |
623 FloatRect useViewBox = viewBox()->currentValue()->value(); | 623 FloatRect useViewBox = viewBox()->currentValue()->value(); |
624 if (!useViewBox.isEmpty()) | 624 if (!useViewBox.isEmpty()) |
625 return useViewBox; | 625 return useViewBox; |
626 if (!renderer() || !renderer()->isSVGRoot()) | 626 if (!layoutObject() || !layoutObject()->isSVGRoot()) |
627 return FloatRect(); | 627 return FloatRect(); |
628 if (!toLayoutSVGRoot(renderer())->isEmbeddedThroughSVGImage()) | 628 if (!toLayoutSVGRoot(layoutObject())->isEmbeddedThroughSVGImage()) |
629 return FloatRect(); | 629 return FloatRect(); |
630 | 630 |
631 // If no viewBox is specified but non-relative width/height values, then we | 631 // If no viewBox is specified but non-relative width/height values, then we |
632 // should always synthesize a viewBox if we're embedded through a SVGImage. | 632 // should always synthesize a viewBox if we're embedded through a SVGImage. |
633 return FloatRect(FloatPoint(), FloatSize(floatValueForLength(intrinsicWidth(
), 0), floatValueForLength(intrinsicHeight(), 0))); | 633 return FloatRect(FloatPoint(), FloatSize(floatValueForLength(intrinsicWidth(
), 0), floatValueForLength(intrinsicHeight(), 0))); |
634 } | 634 } |
635 | 635 |
636 FloatSize SVGSVGElement::currentViewportSize() const | 636 FloatSize SVGSVGElement::currentViewportSize() const |
637 { | 637 { |
638 if (!renderer()) | 638 if (!layoutObject()) |
639 return FloatSize(); | 639 return FloatSize(); |
640 | 640 |
641 if (renderer()->isSVGRoot()) { | 641 if (layoutObject()->isSVGRoot()) { |
642 LayoutRect contentBoxRect = toLayoutSVGRoot(renderer())->contentBoxRect(
); | 642 LayoutRect contentBoxRect = toLayoutSVGRoot(layoutObject())->contentBoxR
ect(); |
643 return FloatSize(contentBoxRect.width() / renderer()->style()->effective
Zoom(), contentBoxRect.height() / renderer()->style()->effectiveZoom()); | 643 return FloatSize(contentBoxRect.width() / layoutObject()->style()->effec
tiveZoom(), contentBoxRect.height() / layoutObject()->style()->effectiveZoom()); |
644 } | 644 } |
645 | 645 |
646 FloatRect viewportRect = toLayoutSVGViewportContainer(renderer())->viewport(
); | 646 FloatRect viewportRect = toLayoutSVGViewportContainer(layoutObject())->viewp
ort(); |
647 return FloatSize(viewportRect.width(), viewportRect.height()); | 647 return FloatSize(viewportRect.width(), viewportRect.height()); |
648 } | 648 } |
649 | 649 |
650 bool SVGSVGElement::hasIntrinsicWidth() const | 650 bool SVGSVGElement::hasIntrinsicWidth() const |
651 { | 651 { |
652 return width()->currentValue()->unitType() != LengthTypePercentage; | 652 return width()->currentValue()->unitType() != LengthTypePercentage; |
653 } | 653 } |
654 | 654 |
655 bool SVGSVGElement::hasIntrinsicHeight() const | 655 bool SVGSVGElement::hasIntrinsicHeight() const |
656 { | 656 { |
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687 | 687 |
688 AffineTransform transform; | 688 AffineTransform transform; |
689 if (transformList->concatenate(transform)) | 689 if (transformList->concatenate(transform)) |
690 ctm *= transform; | 690 ctm *= transform; |
691 | 691 |
692 return ctm; | 692 return ctm; |
693 } | 693 } |
694 | 694 |
695 void SVGSVGElement::setupInitialView(const String& fragmentIdentifier, Element*
anchorNode) | 695 void SVGSVGElement::setupInitialView(const String& fragmentIdentifier, Element*
anchorNode) |
696 { | 696 { |
697 LayoutObject* renderer = this->renderer(); | 697 LayoutObject* renderer = this->layoutObject(); |
698 SVGViewSpec* view = m_viewSpec.get(); | 698 SVGViewSpec* view = m_viewSpec.get(); |
699 if (view) | 699 if (view) |
700 view->reset(); | 700 view->reset(); |
701 | 701 |
702 bool hadUseCurrentView = m_useCurrentView; | 702 bool hadUseCurrentView = m_useCurrentView; |
703 m_useCurrentView = false; | 703 m_useCurrentView = false; |
704 | 704 |
705 if (fragmentIdentifier.startsWith("xpointer(")) { | 705 if (fragmentIdentifier.startsWith("xpointer(")) { |
706 // FIXME: XPointer references are ignored (https://bugs.webkit.org/show_
bug.cgi?id=17491) | 706 // FIXME: XPointer references are ignored (https://bugs.webkit.org/show_
bug.cgi?id=17491) |
707 if (renderer && hadUseCurrentView) | 707 if (renderer && hadUseCurrentView) |
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726 // Spec: If the SVG fragment identifier addresses a 'view' element within an
SVG document (e.g., MyDrawing.svg#MyView | 726 // Spec: If the SVG fragment identifier addresses a 'view' element within an
SVG document (e.g., MyDrawing.svg#MyView |
727 // or MyDrawing.svg#xpointer(id('MyView'))) then the closest ancestor 'svg'
element is displayed in the viewport. | 727 // or MyDrawing.svg#xpointer(id('MyView'))) then the closest ancestor 'svg'
element is displayed in the viewport. |
728 // Any view specification attributes included on the given 'view' element ov
erride the corresponding view specification | 728 // Any view specification attributes included on the given 'view' element ov
erride the corresponding view specification |
729 // attributes on the closest ancestor 'svg' element. | 729 // attributes on the closest ancestor 'svg' element. |
730 if (isSVGViewElement(anchorNode)) { | 730 if (isSVGViewElement(anchorNode)) { |
731 SVGViewElement& viewElement = toSVGViewElement(*anchorNode); | 731 SVGViewElement& viewElement = toSVGViewElement(*anchorNode); |
732 | 732 |
733 if (SVGSVGElement* svg = viewElement.ownerSVGElement()) { | 733 if (SVGSVGElement* svg = viewElement.ownerSVGElement()) { |
734 svg->inheritViewAttributes(&viewElement); | 734 svg->inheritViewAttributes(&viewElement); |
735 | 735 |
736 if (LayoutObject* renderer = svg->renderer()) | 736 if (LayoutObject* renderer = svg->layoutObject()) |
737 markForLayoutAndParentResourceInvalidation(renderer); | 737 markForLayoutAndParentResourceInvalidation(renderer); |
738 | 738 |
739 return; | 739 return; |
740 } | 740 } |
741 } | 741 } |
742 | 742 |
743 // If we previously had a view and didn't get a new one, we need to | 743 // If we previously had a view and didn't get a new one, we need to |
744 // layout again. | 744 // layout again. |
745 if (renderer && hadUseCurrentView) | 745 if (renderer && hadUseCurrentView) |
746 markForLayoutAndParentResourceInvalidation(renderer); | 746 markForLayoutAndParentResourceInvalidation(renderer); |
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793 visitor->trace(m_width); | 793 visitor->trace(m_width); |
794 visitor->trace(m_height); | 794 visitor->trace(m_height); |
795 visitor->trace(m_translation); | 795 visitor->trace(m_translation); |
796 visitor->trace(m_timeContainer); | 796 visitor->trace(m_timeContainer); |
797 visitor->trace(m_viewSpec); | 797 visitor->trace(m_viewSpec); |
798 SVGGraphicsElement::trace(visitor); | 798 SVGGraphicsElement::trace(visitor); |
799 SVGFitToViewBox::trace(visitor); | 799 SVGFitToViewBox::trace(visitor); |
800 } | 800 } |
801 | 801 |
802 } // namespace blink | 802 } // namespace blink |
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