firefox-main/dom/svg/SVGTransformableElement.cpp (file symbol)

Source code

Revision control

Copy as Markdown

Other Tools

/* 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 "SVGTransformableElement.h"
#include "DOMSVGAnimatedTransformList.h"
#include "nsContentUtils.h"
#include "nsIFrame.h"
using namespace mozilla::gfx;
namespace mozilla::dom {
already_AddRefed<DOMSVGAnimatedTransformList>
SVGTransformableElement::Transform() {
return DOMSVGAnimatedTransformList::GetDOMWrapper(
GetOrCreateAnimatedTransformList(), this);
}
//----------------------------------------------------------------------
// nsIContent methods
bool SVGTransformableElement::IsAttributeMapped(
const nsAtom* aAttribute) const {
return aAttribute == nsGkAtoms::transform ||
SVGElement::IsAttributeMapped(aAttribute);
}
bool SVGTransformableElement::IsEventAttributeNameInternal(nsAtom* aName) {
return nsContentUtils::IsEventAttributeName(aName, EventNameType_SVGGraphic);
}
//----------------------------------------------------------------------
// SVGElement overrides
void SVGTransformableElement::SetAnimateMotionTransform(
const gfx::Matrix* aMatrix) {
if ((!aMatrix && !mAnimateMotionTransform) ||
(aMatrix && mAnimateMotionTransform &&
aMatrix->FuzzyEquals(*mAnimateMotionTransform))) {
return;
}
mAnimateMotionTransform =
aMatrix ? std::make_unique<gfx::Matrix>(*aMatrix) : nullptr;
DidAnimateTransformList();
nsIFrame* frame = GetPrimaryFrame();
if (frame) {
// If the result of this transform and any other transforms on this frame
// is the identity matrix, then DoApplyRenderingChangeToTree won't handle
// our nsChangeHint_UpdateTransformLayer hint since aFrame->IsTransformed()
// will return false. That's fine, but we still need to schedule a repaint,
// and that won't otherwise happen. Since it's cheap to call SchedulePaint,
// we don't bother to check IsTransformed().
frame->SchedulePaint();
}
}
SVGAnimatedTransformList*
SVGTransformableElement::GetOrCreateAnimatedTransformList() {
if (!mTransforms) {
mTransforms = std::make_unique<SVGAnimatedTransformList>();
}
return mTransforms.get();
}
} // namespace mozilla::dom