int RenderSVGRoot::computeReplacedLogicalHeight() const
{
int replacedHeight = RenderBox::computeReplacedLogicalHeight();
Frame* frame = node() && node()->document() ? node()->document()->frame() : 0;
if (!frame)
return computeIntrinsicHeight(replacedHeight);
// If our frame has an owner renderer, we're embedded through eg. object/embed.
RenderPart* ownerRenderer = frame->ownerRenderer();
if (!ownerRenderer)
return computeIntrinsicHeight(replacedHeight);
RenderStyle* ownerRendererStyle = ownerRenderer->style();
ASSERT(ownerRendererStyle);
ASSERT(frame->contentRenderer());
Length ownerHeight = ownerRendererStyle->height();
if (ownerHeight.isAuto())
return replacedHeight;
// Spec: http://dev.w3.org/SVG/profiles/1.1F2/publish/coords.html#ViewportSpace
// See comment in RenderSVGRoot::computeReplacedLogicalWidth().
// Similarly, if there are positioning properties specified on the referencing element or on the outermost svg element that
// are sufficient to establish the height of the viewport, then these positioning properties establish the viewport's height;
// otherwise, the ‘height’ attribute on the outermost svg element establishes the viewport's height.
return ownerRenderer->computeReplacedLogicalHeightRespectingMinMaxHeight(ownerRenderer->computeReplacedLogicalHeightUsing(ownerHeight));
}
LayoutUnit RenderSVGRoot::computeReplacedLogicalHeight() const
{
// When we're embedded through SVGImage (border-image/background-image/<html:img>/...) we're forced to resize to a specific size.
LayoutUnit replacedHeight = m_containerSize.height();
if (replacedHeight > 0)
return replacedHeight;
replacedHeight = RenderBox::computeReplacedLogicalHeight();
Frame* frame = node() && node()->document() ? node()->document()->frame() : 0;
if (!frame)
return replacedHeight;
if (!isEmbeddedThroughFrameContainingSVGDocument())
return replacedHeight;
RenderPart* ownerRenderer = frame->ownerRenderer();
ASSERT(ownerRenderer);
RenderStyle* ownerRendererStyle = ownerRenderer->style();
ASSERT(ownerRendererStyle);
Length ownerHeight = ownerRendererStyle->height();
if (ownerHeight.isAuto())
return replacedHeight;
// Spec: http://dev.w3.org/SVG/profiles/1.1F2/publish/coords.html#ViewportSpace
// See comment in RenderSVGRoot::computeReplacedLogicalWidth().
// Similarly, if there are positioning properties specified on the referencing element or on the outermost svg element that
// are sufficient to establish the height of the viewport, then these positioning properties establish the viewport's height;
// otherwise, the ‘height’ attribute on the outermost svg element establishes the viewport's height.
return ownerRenderer->computeReplacedLogicalHeightRespectingMinMaxHeight(ownerRenderer->computeReplacedLogicalHeightUsing(ownerHeight));
}
