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/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
/* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
#include "mozilla/dom/SVGTextContentElement.h"
#include "nsISVGPoint.h"
#include "SVGTextFrame.h"
#include "mozilla/dom/SVGIRect.h"
namespace mozilla {
namespace dom {
nsSVGEnumMapping SVGTextContentElement::sLengthAdjustMap[] = {
{ &nsGkAtoms::spacing, SVG_LENGTHADJUST_SPACING },
{ &nsGkAtoms::spacingAndGlyphs, SVG_LENGTHADJUST_SPACINGANDGLYPHS },
{ nullptr, 0 }
};
nsSVGElement::EnumInfo SVGTextContentElement::sEnumInfo[1] =
{
{ &nsGkAtoms::lengthAdjust, sLengthAdjustMap, SVG_LENGTHADJUST_SPACING }
};
nsSVGElement::LengthInfo SVGTextContentElement::sLengthInfo[1] =
{
{ &nsGkAtoms::textLength, 0, nsIDOMSVGLength::SVG_LENGTHTYPE_NUMBER, SVGContentUtils::XY }
};
SVGTextFrame*
SVGTextContentElement::GetSVGTextFrame()
{
nsIFrame* frame = GetPrimaryFrame(Flush_Layout);
while (frame) {
SVGTextFrame* textFrame = do_QueryFrame(frame);
if (textFrame) {
return textFrame;
}
frame = frame->GetParent();
}
return nullptr;
}
already_AddRefed<SVGAnimatedLength>
SVGTextContentElement::TextLength()
{
return LengthAttributes()[TEXTLENGTH].ToDOMAnimatedLength(this);
}
already_AddRefed<SVGAnimatedEnumeration>
SVGTextContentElement::LengthAdjust()
{
return EnumAttributes()[LENGTHADJUST].ToDOMAnimatedEnum(this);
}
//----------------------------------------------------------------------
int32_t
SVGTextContentElement::GetNumberOfChars()
{
SVGTextFrame* textFrame = GetSVGTextFrame();
return textFrame ? textFrame->GetNumberOfChars(this) : 0;
}
float
SVGTextContentElement::GetComputedTextLength()
{
SVGTextFrame* textFrame = GetSVGTextFrame();
return textFrame ? textFrame->GetComputedTextLength(this) : 0.0f;
}
void
SVGTextContentElement::SelectSubString(uint32_t charnum, uint32_t nchars, ErrorResult& rv)
{
SVGTextFrame* textFrame = GetSVGTextFrame();
if (!textFrame)
return;
rv = textFrame->SelectSubString(this, charnum, nchars);
}
float
SVGTextContentElement::GetSubStringLength(uint32_t charnum, uint32_t nchars, ErrorResult& rv)
{
SVGTextFrame* textFrame = GetSVGTextFrame();
if (!textFrame)
return 0.0f;
float length = 0.0f;
rv = textFrame->GetSubStringLength(this, charnum, nchars, &length);
return length;
}
already_AddRefed<nsISVGPoint>
SVGTextContentElement::GetStartPositionOfChar(uint32_t charnum, ErrorResult& rv)
{
SVGTextFrame* textFrame = GetSVGTextFrame();
if (!textFrame) {
rv.Throw(NS_ERROR_FAILURE);
return nullptr;
}
nsCOMPtr<nsISVGPoint> point;
rv = textFrame->GetStartPositionOfChar(this, charnum, getter_AddRefs(point));
return point.forget();
}
already_AddRefed<nsISVGPoint>
SVGTextContentElement::GetEndPositionOfChar(uint32_t charnum, ErrorResult& rv)
{
SVGTextFrame* textFrame = GetSVGTextFrame();
if (!textFrame) {
rv.Throw(NS_ERROR_FAILURE);
return nullptr;
}
nsCOMPtr<nsISVGPoint> point;
rv = textFrame->GetEndPositionOfChar(this, charnum, getter_AddRefs(point));
return point.forget();
}
already_AddRefed<SVGIRect>
SVGTextContentElement::GetExtentOfChar(uint32_t charnum, ErrorResult& rv)
{
SVGTextFrame* textFrame = GetSVGTextFrame();
if (!textFrame) {
rv.Throw(NS_ERROR_FAILURE);
return nullptr;
}
RefPtr<SVGIRect> rect;
rv = textFrame->GetExtentOfChar(this, charnum, getter_AddRefs(rect));
return rect.forget();
}
float
SVGTextContentElement::GetRotationOfChar(uint32_t charnum, ErrorResult& rv)
{
SVGTextFrame* textFrame = GetSVGTextFrame();
if (!textFrame) {
rv.Throw(NS_ERROR_FAILURE);
return 0.0f;
}
float rotation;
rv = textFrame->GetRotationOfChar(this, charnum, &rotation);
return rotation;
}
int32_t
SVGTextContentElement::GetCharNumAtPosition(nsISVGPoint& aPoint)
{
SVGTextFrame* textFrame = GetSVGTextFrame();
return textFrame ? textFrame->GetCharNumAtPosition(this, &aPoint) : -1;
}
} // namespace dom
} // namespace mozilla
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