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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/dom/Animation.h"
#include "mozilla/dom/Document.h"
#include "mozilla/dom/KeyframeEffect.h"
#include "mozilla/EffectSet.h"
#include "nsDebug.h"
#include "nsAtom.h"
#include "nsIContent.h"
#include "nsLayoutUtils.h"
#include "nsGlobalWindow.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,
PseudoStyleType aPseudoType) {
MOZ_ASSERT(aElement);
EffectSet* effectSet = EffectSet::Get(aElement, aPseudoType);
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*/ Element* AnimationUtils::GetElementForRestyle(
Element* aElement, PseudoStyleType aPseudoType) {
if (aPseudoType == PseudoStyleType::NotPseudo) {
return aElement;
}
if (aPseudoType == PseudoStyleType::before) {
return nsLayoutUtils::GetBeforePseudo(aElement);
}
if (aPseudoType == PseudoStyleType::after) {
return nsLayoutUtils::GetAfterPseudo(aElement);
}
if (aPseudoType == PseudoStyleType::marker) {
return nsLayoutUtils::GetMarkerPseudo(aElement);
}
MOZ_ASSERT_UNREACHABLE(
"Should not try to get the element to restyle for a pseudo other that "
":before, :after or ::marker");
return nullptr;
}
/*static*/ std::pair<const Element*, PseudoStyleType>
AnimationUtils::GetElementPseudoPair(const Element* aElementOrPseudo) {
MOZ_ASSERT(aElementOrPseudo);
if (aElementOrPseudo->IsGeneratedContentContainerForBefore()) {
return {aElementOrPseudo->GetParent()->AsElement(),
PseudoStyleType::before};
}
if (aElementOrPseudo->IsGeneratedContentContainerForAfter()) {
return {aElementOrPseudo->GetParent()->AsElement(), PseudoStyleType::after};
}
if (aElementOrPseudo->IsGeneratedContentContainerForMarker()) {
return {aElementOrPseudo->GetParent()->AsElement(),
PseudoStyleType::marker};
}
return {aElementOrPseudo, PseudoStyleType::NotPseudo};
}
} // namespace mozilla
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