87 lines
3.1 KiB
C++
87 lines
3.1 KiB
C++
/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
|
|
/* vim: set ts=8 sts=2 et sw=2 tw=80: */
|
|
/* 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 "mozilla/dom/MutationEventBinding.h"
|
|
#include "nsContentUtils.h"
|
|
#include "nsIFrame.h"
|
|
|
|
using namespace mozilla::gfx;
|
|
|
|
namespace mozilla::dom {
|
|
|
|
already_AddRefed<DOMSVGAnimatedTransformList>
|
|
SVGTransformableElement::Transform() {
|
|
// We're creating a DOM wrapper, so we must tell GetAnimatedTransformList
|
|
// to allocate the DOMSVGAnimatedTransformList if it hasn't already done so:
|
|
return DOMSVGAnimatedTransformList::GetDOMWrapper(
|
|
GetAnimatedTransformList(DO_ALLOCATE), 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
|
|
|
|
const gfx::Matrix* SVGTransformableElement::GetAnimateMotionTransform() const {
|
|
return mAnimateMotionTransform.get();
|
|
}
|
|
|
|
void SVGTransformableElement::SetAnimateMotionTransform(
|
|
const gfx::Matrix* aMatrix) {
|
|
if ((!aMatrix && !mAnimateMotionTransform) ||
|
|
(aMatrix && mAnimateMotionTransform &&
|
|
aMatrix->FuzzyEquals(*mAnimateMotionTransform))) {
|
|
return;
|
|
}
|
|
bool transformSet = mTransforms && mTransforms->IsExplicitlySet();
|
|
bool prevSet = mAnimateMotionTransform || transformSet;
|
|
mAnimateMotionTransform =
|
|
aMatrix ? MakeUnique<gfx::Matrix>(*aMatrix) : nullptr;
|
|
bool nowSet = mAnimateMotionTransform || transformSet;
|
|
int32_t modType;
|
|
if (prevSet && !nowSet) {
|
|
modType = MutationEvent_Binding::REMOVAL;
|
|
} else if (!prevSet && nowSet) {
|
|
modType = MutationEvent_Binding::ADDITION;
|
|
} else {
|
|
modType = MutationEvent_Binding::MODIFICATION;
|
|
}
|
|
DidAnimateTransformList(modType);
|
|
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::GetAnimatedTransformList(
|
|
uint32_t aFlags) {
|
|
if (!mTransforms && (aFlags & DO_ALLOCATE)) {
|
|
mTransforms = MakeUnique<SVGAnimatedTransformList>();
|
|
}
|
|
return mTransforms.get();
|
|
}
|
|
|
|
} // namespace mozilla::dom
|