mirror of
https://github.com/classilla/tenfourfox.git
synced 2024-11-04 10:05:51 +00:00
455 lines
13 KiB
C++
455 lines
13 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 "mozilla/dom/SVGAnimationElement.h"
|
|
#include "mozilla/dom/SVGSVGElement.h"
|
|
#include "nsSMILTimeContainer.h"
|
|
#include "nsSMILAnimationController.h"
|
|
#include "nsSMILAnimationFunction.h"
|
|
#include "nsContentUtils.h"
|
|
#include "nsIURI.h"
|
|
#include "prtime.h"
|
|
|
|
namespace mozilla {
|
|
namespace dom {
|
|
|
|
//----------------------------------------------------------------------
|
|
// nsISupports methods
|
|
|
|
NS_IMPL_ADDREF_INHERITED(SVGAnimationElement, SVGAnimationElementBase)
|
|
NS_IMPL_RELEASE_INHERITED(SVGAnimationElement, SVGAnimationElementBase)
|
|
|
|
NS_INTERFACE_MAP_BEGIN_CYCLE_COLLECTION(SVGAnimationElement)
|
|
NS_INTERFACE_MAP_ENTRY(mozilla::dom::SVGTests)
|
|
NS_INTERFACE_MAP_END_INHERITING(SVGAnimationElementBase)
|
|
|
|
NS_IMPL_CYCLE_COLLECTION_INHERITED(SVGAnimationElement,
|
|
SVGAnimationElementBase,
|
|
mHrefTarget, mTimedElement)
|
|
|
|
//----------------------------------------------------------------------
|
|
// Implementation
|
|
|
|
SVGAnimationElement::SVGAnimationElement(already_AddRefed<mozilla::dom::NodeInfo>& aNodeInfo)
|
|
: SVGAnimationElementBase(aNodeInfo),
|
|
mHrefTarget(this)
|
|
{
|
|
}
|
|
|
|
SVGAnimationElement::~SVGAnimationElement()
|
|
{
|
|
}
|
|
|
|
nsresult
|
|
SVGAnimationElement::Init()
|
|
{
|
|
nsresult rv = SVGAnimationElementBase::Init();
|
|
NS_ENSURE_SUCCESS(rv, rv);
|
|
|
|
mTimedElement.SetAnimationElement(this);
|
|
AnimationFunction().SetAnimationElement(this);
|
|
mTimedElement.SetTimeClient(&AnimationFunction());
|
|
|
|
return NS_OK;
|
|
}
|
|
|
|
//----------------------------------------------------------------------
|
|
|
|
const nsAttrValue*
|
|
SVGAnimationElement::GetAnimAttr(nsIAtom* aName) const
|
|
{
|
|
return mAttrsAndChildren.GetAttr(aName, kNameSpaceID_None);
|
|
}
|
|
|
|
bool
|
|
SVGAnimationElement::GetAnimAttr(nsIAtom* aAttName,
|
|
nsAString& aResult) const
|
|
{
|
|
return GetAttr(kNameSpaceID_None, aAttName, aResult);
|
|
}
|
|
|
|
bool
|
|
SVGAnimationElement::HasAnimAttr(nsIAtom* aAttName) const
|
|
{
|
|
return HasAttr(kNameSpaceID_None, aAttName);
|
|
}
|
|
|
|
Element*
|
|
SVGAnimationElement::GetTargetElementContent()
|
|
{
|
|
if (HasAttr(kNameSpaceID_XLink, nsGkAtoms::href)) {
|
|
return mHrefTarget.get();
|
|
}
|
|
MOZ_ASSERT(!mHrefTarget.get(),
|
|
"We shouldn't have an xlink:href target "
|
|
"if we don't have an xlink:href attribute");
|
|
|
|
// No "xlink:href" attribute --> I should target my parent.
|
|
nsIContent* parent = GetFlattenedTreeParent();
|
|
return parent && parent->IsElement() ? parent->AsElement() : nullptr;
|
|
}
|
|
|
|
bool
|
|
SVGAnimationElement::GetTargetAttributeName(int32_t *aNamespaceID,
|
|
nsIAtom **aLocalName) const
|
|
{
|
|
const nsAttrValue* nameAttr
|
|
= mAttrsAndChildren.GetAttr(nsGkAtoms::attributeName);
|
|
|
|
if (!nameAttr)
|
|
return false;
|
|
|
|
NS_ASSERTION(nameAttr->Type() == nsAttrValue::eAtom,
|
|
"attributeName should have been parsed as an atom");
|
|
|
|
return NS_SUCCEEDED(nsContentUtils::SplitQName(
|
|
this, nsDependentAtomString(nameAttr->GetAtomValue()),
|
|
aNamespaceID, aLocalName));
|
|
}
|
|
|
|
nsSMILTargetAttrType
|
|
SVGAnimationElement::GetTargetAttributeType() const
|
|
{
|
|
nsIContent::AttrValuesArray typeValues[] = { &nsGkAtoms::css,
|
|
&nsGkAtoms::XML,
|
|
nullptr};
|
|
nsSMILTargetAttrType smilTypes[] = { eSMILTargetAttrType_CSS,
|
|
eSMILTargetAttrType_XML };
|
|
int32_t index = FindAttrValueIn(kNameSpaceID_None,
|
|
nsGkAtoms::attributeType,
|
|
typeValues,
|
|
eCaseMatters);
|
|
return (index >= 0) ? smilTypes[index] : eSMILTargetAttrType_auto;
|
|
}
|
|
|
|
nsSMILTimedElement&
|
|
SVGAnimationElement::TimedElement()
|
|
{
|
|
return mTimedElement;
|
|
}
|
|
|
|
nsSVGElement*
|
|
SVGAnimationElement::GetTargetElement()
|
|
{
|
|
FlushAnimations();
|
|
|
|
// We'll just call the other GetTargetElement method, and QI to the right type
|
|
nsIContent* target = GetTargetElementContent();
|
|
|
|
return (target && target->IsSVGElement())
|
|
? static_cast<nsSVGElement*>(target) : nullptr;
|
|
}
|
|
|
|
float
|
|
SVGAnimationElement::GetStartTime(ErrorResult& rv)
|
|
{
|
|
FlushAnimations();
|
|
|
|
nsSMILTimeValue startTime = mTimedElement.GetStartTime();
|
|
if (!startTime.IsDefinite()) {
|
|
rv.Throw(NS_ERROR_DOM_INVALID_STATE_ERR);
|
|
return 0.f;
|
|
}
|
|
|
|
return float(double(startTime.GetMillis()) / PR_MSEC_PER_SEC);
|
|
}
|
|
|
|
float
|
|
SVGAnimationElement::GetCurrentTime()
|
|
{
|
|
// Not necessary to call FlushAnimations() for this
|
|
|
|
nsSMILTimeContainer* root = GetTimeContainer();
|
|
if (root) {
|
|
return float(double(root->GetCurrentTime()) / PR_MSEC_PER_SEC);
|
|
}
|
|
|
|
return 0.0f;
|
|
}
|
|
|
|
float
|
|
SVGAnimationElement::GetSimpleDuration(ErrorResult& rv)
|
|
{
|
|
// Not necessary to call FlushAnimations() for this
|
|
|
|
nsSMILTimeValue simpleDur = mTimedElement.GetSimpleDuration();
|
|
if (!simpleDur.IsDefinite()) {
|
|
rv.Throw(NS_ERROR_DOM_NOT_SUPPORTED_ERR);
|
|
return 0.f;
|
|
}
|
|
|
|
return float(double(simpleDur.GetMillis()) / PR_MSEC_PER_SEC);
|
|
}
|
|
|
|
//----------------------------------------------------------------------
|
|
// nsIContent methods
|
|
|
|
nsresult
|
|
SVGAnimationElement::BindToTree(nsIDocument* aDocument,
|
|
nsIContent* aParent,
|
|
nsIContent* aBindingParent,
|
|
bool aCompileEventHandlers)
|
|
{
|
|
MOZ_ASSERT(!mHrefTarget.get(),
|
|
"Shouldn't have href-target yet (or it should've been cleared)");
|
|
nsresult rv = SVGAnimationElementBase::BindToTree(aDocument, aParent,
|
|
aBindingParent,
|
|
aCompileEventHandlers);
|
|
NS_ENSURE_SUCCESS(rv,rv);
|
|
|
|
// XXXdholbert is GetCtx (as a check for SVG parent) still needed here?
|
|
if (!GetCtx()) {
|
|
// No use proceeding. We don't have an SVG parent (yet) so we won't be able
|
|
// to register ourselves etc. Maybe next time we'll have more luck.
|
|
// (This sort of situation will arise a lot when trees are being constructed
|
|
// piece by piece via script)
|
|
return NS_OK;
|
|
}
|
|
|
|
// Add myself to the animation controller's master set of animation elements.
|
|
if (aDocument) {
|
|
nsSMILAnimationController *controller = aDocument->GetAnimationController();
|
|
if (controller) {
|
|
controller->RegisterAnimationElement(this);
|
|
}
|
|
const nsAttrValue* href = mAttrsAndChildren.GetAttr(nsGkAtoms::href,
|
|
kNameSpaceID_XLink);
|
|
if (href) {
|
|
nsAutoString hrefStr;
|
|
href->ToString(hrefStr);
|
|
|
|
// Pass in |aParent| instead of |this| -- first argument is only used
|
|
// for a call to GetComposedDoc(), and |this| might not have a current
|
|
// document yet.
|
|
UpdateHrefTarget(aParent, hrefStr);
|
|
}
|
|
|
|
mTimedElement.BindToTree(aParent);
|
|
}
|
|
|
|
AnimationNeedsResample();
|
|
|
|
return NS_OK;
|
|
}
|
|
|
|
void
|
|
SVGAnimationElement::UnbindFromTree(bool aDeep, bool aNullParent)
|
|
{
|
|
nsSMILAnimationController *controller = OwnerDoc()->GetAnimationController();
|
|
if (controller) {
|
|
controller->UnregisterAnimationElement(this);
|
|
}
|
|
|
|
mHrefTarget.Unlink();
|
|
mTimedElement.DissolveReferences();
|
|
|
|
AnimationNeedsResample();
|
|
|
|
SVGAnimationElementBase::UnbindFromTree(aDeep, aNullParent);
|
|
}
|
|
|
|
bool
|
|
SVGAnimationElement::ParseAttribute(int32_t aNamespaceID,
|
|
nsIAtom* aAttribute,
|
|
const nsAString& aValue,
|
|
nsAttrValue& aResult)
|
|
{
|
|
if (aNamespaceID == kNameSpaceID_None) {
|
|
// Deal with target-related attributes here
|
|
if (aAttribute == nsGkAtoms::attributeName ||
|
|
aAttribute == nsGkAtoms::attributeType) {
|
|
aResult.ParseAtom(aValue);
|
|
AnimationNeedsResample();
|
|
return true;
|
|
}
|
|
|
|
nsresult rv = NS_ERROR_FAILURE;
|
|
|
|
// First let the animation function try to parse it...
|
|
bool foundMatch =
|
|
AnimationFunction().SetAttr(aAttribute, aValue, aResult, &rv);
|
|
|
|
// ... and if that didn't recognize the attribute, let the timed element
|
|
// try to parse it.
|
|
if (!foundMatch) {
|
|
foundMatch =
|
|
mTimedElement.SetAttr(aAttribute, aValue, aResult, this, &rv);
|
|
}
|
|
|
|
if (foundMatch) {
|
|
AnimationNeedsResample();
|
|
if (NS_FAILED(rv)) {
|
|
ReportAttributeParseFailure(OwnerDoc(), aAttribute, aValue);
|
|
return false;
|
|
}
|
|
return true;
|
|
}
|
|
}
|
|
|
|
return SVGAnimationElementBase::ParseAttribute(aNamespaceID, aAttribute,
|
|
aValue, aResult);
|
|
}
|
|
|
|
nsresult
|
|
SVGAnimationElement::AfterSetAttr(int32_t aNamespaceID, nsIAtom* aName,
|
|
const nsAttrValue* aValue, bool aNotify)
|
|
{
|
|
nsresult rv =
|
|
SVGAnimationElementBase::AfterSetAttr(aNamespaceID, aName, aValue,
|
|
aNotify);
|
|
|
|
if (SVGTests::IsConditionalProcessingAttribute(aName)) {
|
|
bool isDisabled = !SVGTests::PassesConditionalProcessingTests();
|
|
if (mTimedElement.SetIsDisabled(isDisabled)) {
|
|
AnimationNeedsResample();
|
|
}
|
|
}
|
|
|
|
if (aNamespaceID != kNameSpaceID_XLink || aName != nsGkAtoms::href)
|
|
return rv;
|
|
|
|
if (!aValue) {
|
|
mHrefTarget.Unlink();
|
|
AnimationTargetChanged();
|
|
} else if (IsInDoc()) {
|
|
MOZ_ASSERT(aValue->Type() == nsAttrValue::eString,
|
|
"Expected href attribute to be string type");
|
|
UpdateHrefTarget(this, aValue->GetStringValue());
|
|
} // else: we're not yet in a document -- we'll update the target on
|
|
// next BindToTree call.
|
|
|
|
return rv;
|
|
}
|
|
|
|
nsresult
|
|
SVGAnimationElement::UnsetAttr(int32_t aNamespaceID,
|
|
nsIAtom* aAttribute, bool aNotify)
|
|
{
|
|
nsresult rv = SVGAnimationElementBase::UnsetAttr(aNamespaceID, aAttribute,
|
|
aNotify);
|
|
NS_ENSURE_SUCCESS(rv,rv);
|
|
|
|
if (aNamespaceID == kNameSpaceID_None) {
|
|
if (AnimationFunction().UnsetAttr(aAttribute) ||
|
|
mTimedElement.UnsetAttr(aAttribute)) {
|
|
AnimationNeedsResample();
|
|
}
|
|
}
|
|
|
|
return NS_OK;
|
|
}
|
|
|
|
bool
|
|
SVGAnimationElement::IsNodeOfType(uint32_t aFlags) const
|
|
{
|
|
return !(aFlags & ~(eCONTENT | eANIMATION));
|
|
}
|
|
|
|
//----------------------------------------------------------------------
|
|
// SVG utility methods
|
|
|
|
void
|
|
SVGAnimationElement::ActivateByHyperlink()
|
|
{
|
|
FlushAnimations();
|
|
|
|
// The behavior for when the target is an animation element is defined in
|
|
// SMIL Animation:
|
|
// http://www.w3.org/TR/smil-animation/#HyperlinkSemantics
|
|
nsSMILTimeValue seekTime = mTimedElement.GetHyperlinkTime();
|
|
if (seekTime.IsDefinite()) {
|
|
nsSMILTimeContainer* timeContainer = GetTimeContainer();
|
|
if (timeContainer) {
|
|
timeContainer->SetCurrentTime(seekTime.GetMillis());
|
|
AnimationNeedsResample();
|
|
// As with SVGSVGElement::SetCurrentTime, we need to trigger
|
|
// a synchronous sample now.
|
|
FlushAnimations();
|
|
}
|
|
// else, silently fail. We mustn't be part of an SVG document fragment that
|
|
// is attached to the document tree so there's nothing we can do here
|
|
} else {
|
|
ErrorResult rv;
|
|
BeginElement(rv);
|
|
}
|
|
}
|
|
|
|
//----------------------------------------------------------------------
|
|
// Implementation helpers
|
|
|
|
nsSMILTimeContainer*
|
|
SVGAnimationElement::GetTimeContainer()
|
|
{
|
|
SVGSVGElement *element = SVGContentUtils::GetOuterSVGElement(this);
|
|
|
|
if (element) {
|
|
return element->GetTimedDocumentRoot();
|
|
}
|
|
|
|
return nullptr;
|
|
}
|
|
|
|
void
|
|
SVGAnimationElement::BeginElementAt(float offset, ErrorResult& rv)
|
|
{
|
|
// Make sure the timegraph is up-to-date
|
|
FlushAnimations();
|
|
|
|
// This will fail if we're not attached to a time container (SVG document
|
|
// fragment).
|
|
rv = mTimedElement.BeginElementAt(offset);
|
|
if (rv.Failed())
|
|
return;
|
|
|
|
AnimationNeedsResample();
|
|
// Force synchronous sample so that events resulting from this call arrive in
|
|
// the expected order and we get an up-to-date paint.
|
|
FlushAnimations();
|
|
}
|
|
|
|
void
|
|
SVGAnimationElement::EndElementAt(float offset, ErrorResult& rv)
|
|
{
|
|
// Make sure the timegraph is up-to-date
|
|
FlushAnimations();
|
|
|
|
rv = mTimedElement.EndElementAt(offset);
|
|
if (rv.Failed())
|
|
return;
|
|
|
|
AnimationNeedsResample();
|
|
// Force synchronous sample
|
|
FlushAnimations();
|
|
}
|
|
|
|
bool
|
|
SVGAnimationElement::IsEventAttributeName(nsIAtom* aName)
|
|
{
|
|
return nsContentUtils::IsEventAttributeName(aName, EventNameType_SMIL);
|
|
}
|
|
|
|
void
|
|
SVGAnimationElement::UpdateHrefTarget(nsIContent* aNodeForContext,
|
|
const nsAString& aHrefStr)
|
|
{
|
|
nsCOMPtr<nsIURI> targetURI;
|
|
nsCOMPtr<nsIURI> baseURI = GetBaseURI();
|
|
nsContentUtils::NewURIWithDocumentCharset(getter_AddRefs(targetURI),
|
|
aHrefStr, OwnerDoc(), baseURI);
|
|
mHrefTarget.Reset(aNodeForContext, targetURI);
|
|
AnimationTargetChanged();
|
|
}
|
|
|
|
void
|
|
SVGAnimationElement::AnimationTargetChanged()
|
|
{
|
|
mTimedElement.HandleTargetElementChange(GetTargetElementContent());
|
|
AnimationNeedsResample();
|
|
}
|
|
|
|
} // namespace dom
|
|
} // namespace mozilla
|