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/* -*- 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 "AnimationUtils.h"
#include "mozilla/EffectSet.h"
#include "mozilla/dom/Animation.h"
#include "mozilla/dom/Document.h"
#include "mozilla/dom/KeyframeEffect.h"
#include "nsAtom.h"
#include "nsDebug.h"
#include "nsGlobalWindowInner.h"
#include "nsIContent.h"
#include "nsLayoutUtils.h"
#include "nsString.h"
#include "xpcpublic.h" // For xpc::NativeGlobal
using namespace mozilla::dom;
namespace mozilla {
/* static */
void AnimationUtils::LogAsyncAnimationFailure(nsCString& aMessage,
const nsIContent* aContent) {
if (aContent) {
aMessage.AppendLiteral(" [");
aMessage.Append(nsAtomCString(aContent->NodeInfo()->NameAtom()));
nsAtom* id = aContent->GetID();
if (id) {
aMessage.AppendLiteral(" with id '");
aMessage.Append(nsAtomCString(aContent->GetID()));
aMessage.Append('\'');
}
aMessage.Append(']');
}
aMessage.Append('\n');
printf_stderr("%s", aMessage.get());
}
/* static */
Document* AnimationUtils::GetCurrentRealmDocument(JSContext* aCx) {
nsGlobalWindowInner* win = xpc::CurrentWindowOrNull(aCx);
if (!win) {
return nullptr;
}
return win->GetDoc();
}
/* static */
Document* AnimationUtils::GetDocumentFromGlobal(JSObject* aGlobalObject) {
nsGlobalWindowInner* win = xpc::WindowOrNull(aGlobalObject);
if (!win) {
return nullptr;
}
return win->GetDoc();
}
/* static */
bool AnimationUtils::FrameHasAnimatedScale(const nsIFrame* aFrame) {
EffectSet* effectSet = EffectSet::GetForFrame(
aFrame, nsCSSPropertyIDSet::TransformLikeProperties());
if (!effectSet) {
return false;
}
for (const dom::KeyframeEffect* effect : *effectSet) {
if (effect->ContainsAnimatedScale(aFrame)) {
return true;
}
}
return false;
}
/* static */
bool AnimationUtils::HasCurrentTransitions(
const Element* aElement, const PseudoStyleRequest& aPseudoRequest) {
MOZ_ASSERT(aElement);
EffectSet* effectSet = EffectSet::Get(aElement, aPseudoRequest);
if (!effectSet) {
return false;
}
for (const dom::KeyframeEffect* effect : *effectSet) {
// If |effect| is current, it must have an associated Animation
// so we don't need to null-check the result of GetAnimation().
if (effect->IsCurrent() && effect->GetAnimation()->AsCSSTransition()) {
return true;
}
}
return false;
}
/*static*/
std::pair<const Element*, PseudoStyleRequest>
AnimationUtils::GetElementPseudoPair(const Element* aElementOrPseudo) {
MOZ_ASSERT(aElementOrPseudo);
if (aElementOrPseudo->IsGeneratedContentContainerForBefore()) {
return {aElementOrPseudo->GetParent()->AsElement(),
PseudoStyleRequest::Before()};
}
if (aElementOrPseudo->IsGeneratedContentContainerForAfter()) {
return {aElementOrPseudo->GetParent()->AsElement(),
PseudoStyleRequest::After()};
}
if (aElementOrPseudo->IsGeneratedContentContainerForMarker()) {
return {aElementOrPseudo->GetParent()->AsElement(),
PseudoStyleRequest::Marker()};
}
const PseudoStyleType type = aElementOrPseudo->GetPseudoElementType();
if (PseudoStyle::IsViewTransitionPseudoElement(type)) {
// Note: ::view-transition doesn't have a name, so we check if it has a name
// first.
nsAtom* name =
aElementOrPseudo->HasName()
? aElementOrPseudo->GetParsedAttr(nsGkAtoms::name)->GetAtomValue()
: nullptr;
return {aElementOrPseudo->GetOwnerDocument()->GetRootElement(),
PseudoStyleRequest(type, name)};
}
return {aElementOrPseudo, PseudoStyleRequest::NotPseudo()};
}
} // namespace mozilla
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