mirror of
https://github.com/mozilla/gecko-dev.git
synced 2024-11-01 06:35:42 +00:00
559 lines
17 KiB
C++
559 lines
17 KiB
C++
/* vim: set shiftwidth=2 tabstop=8 autoindent cindent expandtab: */
|
|
/* 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 "AnimationCommon.h"
|
|
#include "nsTransitionManager.h"
|
|
#include "nsAnimationManager.h"
|
|
|
|
#include "gfxPlatform.h"
|
|
#include "nsRuleData.h"
|
|
#include "nsCSSValue.h"
|
|
#include "nsStyleContext.h"
|
|
#include "nsIFrame.h"
|
|
#include "nsLayoutUtils.h"
|
|
#include "mozilla/LookAndFeel.h"
|
|
#include "Layers.h"
|
|
#include "FrameLayerBuilder.h"
|
|
#include "nsDisplayList.h"
|
|
#include "mozilla/MemoryReporting.h"
|
|
#include "RestyleManager.h"
|
|
#include "nsStyleSet.h"
|
|
#include "nsStyleChangeList.h"
|
|
|
|
|
|
using namespace mozilla::layers;
|
|
|
|
namespace mozilla {
|
|
namespace css {
|
|
|
|
/* static */ bool
|
|
IsGeometricProperty(nsCSSProperty aProperty)
|
|
{
|
|
switch (aProperty) {
|
|
case eCSSProperty_bottom:
|
|
case eCSSProperty_height:
|
|
case eCSSProperty_left:
|
|
case eCSSProperty_right:
|
|
case eCSSProperty_top:
|
|
case eCSSProperty_width:
|
|
return true;
|
|
default:
|
|
return false;
|
|
}
|
|
}
|
|
|
|
CommonAnimationManager::CommonAnimationManager(nsPresContext *aPresContext)
|
|
: mPresContext(aPresContext)
|
|
{
|
|
PR_INIT_CLIST(&mElementData);
|
|
}
|
|
|
|
CommonAnimationManager::~CommonAnimationManager()
|
|
{
|
|
NS_ABORT_IF_FALSE(!mPresContext, "Disconnect should have been called");
|
|
}
|
|
|
|
void
|
|
CommonAnimationManager::Disconnect()
|
|
{
|
|
// Content nodes might outlive the transition or animation manager.
|
|
RemoveAllElementData();
|
|
|
|
mPresContext = nullptr;
|
|
}
|
|
|
|
void
|
|
CommonAnimationManager::RemoveAllElementData()
|
|
{
|
|
while (!PR_CLIST_IS_EMPTY(&mElementData)) {
|
|
CommonElementAnimationData *head =
|
|
static_cast<CommonElementAnimationData*>(PR_LIST_HEAD(&mElementData));
|
|
head->Destroy();
|
|
}
|
|
}
|
|
|
|
/*
|
|
* nsISupports implementation
|
|
*/
|
|
|
|
NS_IMPL_ISUPPORTS1(CommonAnimationManager, nsIStyleRuleProcessor)
|
|
|
|
nsRestyleHint
|
|
CommonAnimationManager::HasStateDependentStyle(StateRuleProcessorData* aData)
|
|
{
|
|
return nsRestyleHint(0);
|
|
}
|
|
|
|
nsRestyleHint
|
|
CommonAnimationManager::HasStateDependentStyle(PseudoElementStateRuleProcessorData* aData)
|
|
{
|
|
return nsRestyleHint(0);
|
|
}
|
|
|
|
bool
|
|
CommonAnimationManager::HasDocumentStateDependentStyle(StateRuleProcessorData* aData)
|
|
{
|
|
return false;
|
|
}
|
|
|
|
nsRestyleHint
|
|
CommonAnimationManager::HasAttributeDependentStyle(AttributeRuleProcessorData* aData)
|
|
{
|
|
return nsRestyleHint(0);
|
|
}
|
|
|
|
/* virtual */ bool
|
|
CommonAnimationManager::MediumFeaturesChanged(nsPresContext* aPresContext)
|
|
{
|
|
return false;
|
|
}
|
|
|
|
/* virtual */ size_t
|
|
CommonAnimationManager::SizeOfExcludingThis(mozilla::MallocSizeOf aMallocSizeOf) const
|
|
{
|
|
// Measurement of the following members may be added later if DMD finds it is
|
|
// worthwhile:
|
|
// - mElementData
|
|
//
|
|
// The following members are not measured
|
|
// - mPresContext, because it's non-owning
|
|
|
|
return 0;
|
|
}
|
|
|
|
/* virtual */ size_t
|
|
CommonAnimationManager::SizeOfIncludingThis(mozilla::MallocSizeOf aMallocSizeOf) const
|
|
{
|
|
return aMallocSizeOf(this) + SizeOfExcludingThis(aMallocSizeOf);
|
|
}
|
|
|
|
/* static */ bool
|
|
CommonAnimationManager::ExtractComputedValueForTransition(
|
|
nsCSSProperty aProperty,
|
|
nsStyleContext* aStyleContext,
|
|
nsStyleAnimation::Value& aComputedValue)
|
|
{
|
|
bool result =
|
|
nsStyleAnimation::ExtractComputedValue(aProperty, aStyleContext,
|
|
aComputedValue);
|
|
if (aProperty == eCSSProperty_visibility) {
|
|
NS_ABORT_IF_FALSE(aComputedValue.GetUnit() ==
|
|
nsStyleAnimation::eUnit_Enumerated,
|
|
"unexpected unit");
|
|
aComputedValue.SetIntValue(aComputedValue.GetIntValue(),
|
|
nsStyleAnimation::eUnit_Visibility);
|
|
}
|
|
return result;
|
|
}
|
|
|
|
already_AddRefed<nsStyleContext>
|
|
CommonAnimationManager::ReparentContent(nsIContent* aContent,
|
|
nsStyleContext* aParentStyle)
|
|
{
|
|
nsStyleSet* styleSet = mPresContext->PresShell()->StyleSet();
|
|
nsIFrame* primaryFrame = nsLayoutUtils::GetStyleFrame(aContent);
|
|
if (!primaryFrame) {
|
|
return nullptr;
|
|
}
|
|
|
|
dom::Element* element = aContent->IsElement()
|
|
? aContent->AsElement()
|
|
: nullptr;
|
|
|
|
nsRefPtr<nsStyleContext> newStyle =
|
|
styleSet->ReparentStyleContext(primaryFrame->StyleContext(),
|
|
aParentStyle, element);
|
|
primaryFrame->SetStyleContext(newStyle);
|
|
ReparentBeforeAndAfter(element, primaryFrame, newStyle, styleSet);
|
|
|
|
return newStyle.forget();
|
|
}
|
|
|
|
/* static */ void
|
|
CommonAnimationManager::ReparentBeforeAndAfter(dom::Element* aElement,
|
|
nsIFrame* aPrimaryFrame,
|
|
nsStyleContext* aNewStyle,
|
|
nsStyleSet* aStyleSet)
|
|
{
|
|
if (nsIFrame* before = nsLayoutUtils::GetBeforeFrame(aPrimaryFrame)) {
|
|
nsRefPtr<nsStyleContext> beforeStyle =
|
|
aStyleSet->ReparentStyleContext(before->StyleContext(),
|
|
aNewStyle, aElement);
|
|
before->SetStyleContext(beforeStyle);
|
|
}
|
|
if (nsIFrame* after = nsLayoutUtils::GetBeforeFrame(aPrimaryFrame)) {
|
|
nsRefPtr<nsStyleContext> afterStyle =
|
|
aStyleSet->ReparentStyleContext(after->StyleContext(),
|
|
aNewStyle, aElement);
|
|
after->SetStyleContext(afterStyle);
|
|
}
|
|
}
|
|
|
|
// Ensure that the next repaint rebuilds the layer tree for aFrame. That
|
|
// means that changes to animations on aFrame's layer are propagated to
|
|
// the compositor, which is needed for correct behaviour of new
|
|
// transitions.
|
|
static void
|
|
ForceLayerRerendering(nsIFrame* aFrame, CommonElementAnimationData* aData)
|
|
{
|
|
if (aData->HasAnimationOfProperty(eCSSProperty_opacity)) {
|
|
if (Layer* layer = FrameLayerBuilder::GetDedicatedLayer(
|
|
aFrame, nsDisplayItem::TYPE_OPACITY)) {
|
|
layer->RemoveUserData(nsIFrame::LayerIsPrerenderedDataKey());
|
|
}
|
|
}
|
|
|
|
if (aData->HasAnimationOfProperty(eCSSProperty_transform)) {
|
|
if (Layer* layer = FrameLayerBuilder::GetDedicatedLayer(
|
|
aFrame, nsDisplayItem::TYPE_TRANSFORM)) {
|
|
layer->RemoveUserData(nsIFrame::LayerIsPrerenderedDataKey());
|
|
}
|
|
}
|
|
}
|
|
|
|
nsStyleContext*
|
|
CommonAnimationManager::UpdateThrottledStyle(dom::Element* aElement,
|
|
nsStyleContext* aParentStyle,
|
|
nsStyleChangeList& aChangeList)
|
|
{
|
|
NS_ASSERTION(mPresContext->TransitionManager()->GetElementTransitions(
|
|
aElement,
|
|
nsCSSPseudoElements::ePseudo_NotPseudoElement,
|
|
false) ||
|
|
mPresContext->AnimationManager()->GetElementAnimations(
|
|
aElement,
|
|
nsCSSPseudoElements::ePseudo_NotPseudoElement,
|
|
false), "element not animated");
|
|
|
|
nsIFrame* primaryFrame = nsLayoutUtils::GetStyleFrame(aElement);
|
|
if (!primaryFrame) {
|
|
return nullptr;
|
|
}
|
|
|
|
nsStyleContext* oldStyle = primaryFrame->StyleContext();
|
|
nsRuleNode* ruleNode = oldStyle->RuleNode();
|
|
nsTArray<nsStyleSet::RuleAndLevel> rules;
|
|
do {
|
|
if (ruleNode->IsRoot()) {
|
|
break;
|
|
}
|
|
|
|
nsStyleSet::RuleAndLevel curRule;
|
|
curRule.mLevel = ruleNode->GetLevel();
|
|
|
|
if (curRule.mLevel == nsStyleSet::eAnimationSheet) {
|
|
ElementAnimations* ea =
|
|
mPresContext->AnimationManager()->GetElementAnimations(
|
|
aElement,
|
|
oldStyle->GetPseudoType(),
|
|
false);
|
|
NS_ASSERTION(ea,
|
|
"Rule has level eAnimationSheet without animation on manager");
|
|
|
|
mPresContext->AnimationManager()->EnsureStyleRuleFor(ea);
|
|
curRule.mRule = ea->mStyleRule;
|
|
|
|
// FIXME: maybe not needed anymore:
|
|
ForceLayerRerendering(primaryFrame, ea);
|
|
} else if (curRule.mLevel == nsStyleSet::eTransitionSheet) {
|
|
ElementTransitions *et =
|
|
mPresContext->TransitionManager()->GetElementTransitions(
|
|
aElement,
|
|
oldStyle->GetPseudoType(),
|
|
false);
|
|
NS_ASSERTION(et,
|
|
"Rule has level eTransitionSheet without transition on manager");
|
|
|
|
et->EnsureStyleRuleFor(mPresContext->RefreshDriver()->MostRecentRefresh());
|
|
curRule.mRule = et->mStyleRule;
|
|
|
|
// FIXME: maybe not needed anymore:
|
|
ForceLayerRerendering(primaryFrame, et);
|
|
} else {
|
|
curRule.mRule = ruleNode->GetRule();
|
|
}
|
|
|
|
if (curRule.mRule) {
|
|
rules.AppendElement(curRule);
|
|
}
|
|
} while ((ruleNode = ruleNode->GetParent()));
|
|
|
|
nsRefPtr<nsStyleContext> newStyle = mPresContext->PresShell()->StyleSet()->
|
|
ResolveStyleForRules(aParentStyle, oldStyle, rules);
|
|
|
|
// We absolutely must call CalcStyleDifference in order to ensure the
|
|
// new context has all the structs cached that the old context had.
|
|
// We also need it for processing of the changes.
|
|
nsChangeHint styleChange =
|
|
oldStyle->CalcStyleDifference(newStyle, nsChangeHint(0));
|
|
aChangeList.AppendChange(primaryFrame, primaryFrame->GetContent(),
|
|
styleChange);
|
|
|
|
primaryFrame->SetStyleContext(newStyle);
|
|
|
|
ReparentBeforeAndAfter(aElement, primaryFrame, newStyle,
|
|
mPresContext->PresShell()->StyleSet());
|
|
|
|
return newStyle;
|
|
}
|
|
|
|
NS_IMPL_ISUPPORTS1(AnimValuesStyleRule, nsIStyleRule)
|
|
|
|
/* virtual */ void
|
|
AnimValuesStyleRule::MapRuleInfoInto(nsRuleData* aRuleData)
|
|
{
|
|
nsStyleContext *contextParent = aRuleData->mStyleContext->GetParent();
|
|
if (contextParent && contextParent->HasPseudoElementData()) {
|
|
// Don't apply transitions or animations to things inside of
|
|
// pseudo-elements.
|
|
// FIXME (Bug 522599): Add tests for this.
|
|
return;
|
|
}
|
|
|
|
for (uint32_t i = 0, i_end = mPropertyValuePairs.Length(); i < i_end; ++i) {
|
|
PropertyValuePair &cv = mPropertyValuePairs[i];
|
|
if (aRuleData->mSIDs & nsCachedStyleData::GetBitForSID(
|
|
nsCSSProps::kSIDTable[cv.mProperty]))
|
|
{
|
|
nsCSSValue *prop = aRuleData->ValueFor(cv.mProperty);
|
|
if (prop->GetUnit() == eCSSUnit_Null) {
|
|
#ifdef DEBUG
|
|
bool ok =
|
|
#endif
|
|
nsStyleAnimation::UncomputeValue(cv.mProperty, cv.mValue, *prop);
|
|
NS_ABORT_IF_FALSE(ok, "could not store computed value");
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
#ifdef DEBUG
|
|
/* virtual */ void
|
|
AnimValuesStyleRule::List(FILE* out, int32_t aIndent) const
|
|
{
|
|
for (int32_t index = aIndent; --index >= 0; ) fputs(" ", out);
|
|
fputs("[anim values] { ", out);
|
|
for (uint32_t i = 0, i_end = mPropertyValuePairs.Length(); i < i_end; ++i) {
|
|
const PropertyValuePair &pair = mPropertyValuePairs[i];
|
|
nsAutoString value;
|
|
nsStyleAnimation::UncomputeValue(pair.mProperty, pair.mValue, value);
|
|
fprintf(out, "%s: %s; ", nsCSSProps::GetStringValue(pair.mProperty).get(),
|
|
NS_ConvertUTF16toUTF8(value).get());
|
|
}
|
|
fputs("}\n", out);
|
|
}
|
|
#endif
|
|
|
|
void
|
|
ComputedTimingFunction::Init(const nsTimingFunction &aFunction)
|
|
{
|
|
mType = aFunction.mType;
|
|
if (mType == nsTimingFunction::Function) {
|
|
mTimingFunction.Init(aFunction.mFunc.mX1, aFunction.mFunc.mY1,
|
|
aFunction.mFunc.mX2, aFunction.mFunc.mY2);
|
|
} else {
|
|
mSteps = aFunction.mSteps;
|
|
}
|
|
}
|
|
|
|
static inline double
|
|
StepEnd(uint32_t aSteps, double aPortion)
|
|
{
|
|
NS_ABORT_IF_FALSE(0.0 <= aPortion && aPortion <= 1.0, "out of range");
|
|
uint32_t step = uint32_t(aPortion * aSteps); // floor
|
|
return double(step) / double(aSteps);
|
|
}
|
|
|
|
double
|
|
ComputedTimingFunction::GetValue(double aPortion) const
|
|
{
|
|
switch (mType) {
|
|
case nsTimingFunction::Function:
|
|
return mTimingFunction.GetSplineValue(aPortion);
|
|
case nsTimingFunction::StepStart:
|
|
// There are diagrams in the spec that seem to suggest this check
|
|
// and the bounds point should not be symmetric with StepEnd, but
|
|
// should actually step up at rather than immediately after the
|
|
// fraction points. However, we rely on rounding negative values
|
|
// up to zero, so we can't do that. And it's not clear the spec
|
|
// really meant it.
|
|
return 1.0 - StepEnd(mSteps, 1.0 - aPortion);
|
|
default:
|
|
NS_ABORT_IF_FALSE(false, "bad type");
|
|
// fall through
|
|
case nsTimingFunction::StepEnd:
|
|
return StepEnd(mSteps, aPortion);
|
|
}
|
|
}
|
|
|
|
bool
|
|
CommonElementAnimationData::CanAnimatePropertyOnCompositor(const dom::Element *aElement,
|
|
nsCSSProperty aProperty,
|
|
CanAnimateFlags aFlags)
|
|
{
|
|
bool shouldLog = nsLayoutUtils::IsAnimationLoggingEnabled();
|
|
if (shouldLog && !gfxPlatform::OffMainThreadCompositingEnabled()) {
|
|
nsCString message;
|
|
message.AppendLiteral("Performance warning: Compositor disabled");
|
|
LogAsyncAnimationFailure(message);
|
|
return false;
|
|
}
|
|
|
|
nsIFrame* frame = nsLayoutUtils::GetStyleFrame(aElement);
|
|
if (IsGeometricProperty(aProperty)) {
|
|
if (shouldLog) {
|
|
nsCString message;
|
|
message.AppendLiteral("Performance warning: Async animation of geometric property '");
|
|
message.Append(nsCSSProps::GetStringValue(aProperty));
|
|
message.AppendLiteral("' is disabled");
|
|
LogAsyncAnimationFailure(message, aElement);
|
|
}
|
|
return false;
|
|
}
|
|
if (aProperty == eCSSProperty_transform) {
|
|
if (frame->Preserves3D() &&
|
|
frame->Preserves3DChildren()) {
|
|
if (shouldLog) {
|
|
nsCString message;
|
|
message.AppendLiteral("Gecko bug: Async animation of 'preserve-3d' transforms is not supported. See bug 779598");
|
|
LogAsyncAnimationFailure(message, aElement);
|
|
}
|
|
return false;
|
|
}
|
|
if (frame->IsSVGTransformed()) {
|
|
if (shouldLog) {
|
|
nsCString message;
|
|
message.AppendLiteral("Gecko bug: Async 'transform' animations of frames with SVG transforms is not supported. See bug 779599");
|
|
LogAsyncAnimationFailure(message, aElement);
|
|
}
|
|
return false;
|
|
}
|
|
if (aFlags & CanAnimate_HasGeometricProperty) {
|
|
if (shouldLog) {
|
|
nsCString message;
|
|
message.AppendLiteral("Performance warning: Async animation of 'transform' not possible due to presence of geometric properties");
|
|
LogAsyncAnimationFailure(message, aElement);
|
|
}
|
|
return false;
|
|
}
|
|
}
|
|
bool enabled = nsLayoutUtils::AreAsyncAnimationsEnabled();
|
|
if (!enabled && shouldLog) {
|
|
nsCString message;
|
|
message.AppendLiteral("Performance warning: Async animations are disabled");
|
|
LogAsyncAnimationFailure(message);
|
|
}
|
|
bool propertyAllowed = (aProperty == eCSSProperty_transform) ||
|
|
(aProperty == eCSSProperty_opacity) ||
|
|
(aFlags & CanAnimate_AllowPartial);
|
|
return enabled && propertyAllowed;
|
|
}
|
|
|
|
/* static */ bool
|
|
CommonElementAnimationData::IsCompositorAnimationDisabledForFrame(nsIFrame* aFrame)
|
|
{
|
|
void* prop = aFrame->Properties().Get(nsIFrame::RefusedAsyncAnimation());
|
|
return bool(reinterpret_cast<intptr_t>(prop));
|
|
}
|
|
|
|
/* static */ void
|
|
CommonElementAnimationData::LogAsyncAnimationFailure(nsCString& aMessage,
|
|
const nsIContent* aContent)
|
|
{
|
|
if (aContent) {
|
|
aMessage.AppendLiteral(" [");
|
|
aMessage.Append(nsAtomCString(aContent->Tag()));
|
|
|
|
nsIAtom* id = aContent->GetID();
|
|
if (id) {
|
|
aMessage.AppendLiteral(" with id '");
|
|
aMessage.Append(nsAtomCString(aContent->GetID()));
|
|
aMessage.AppendLiteral("'");
|
|
}
|
|
aMessage.AppendLiteral("]");
|
|
}
|
|
aMessage.AppendLiteral("\n");
|
|
printf_stderr(aMessage.get());
|
|
}
|
|
|
|
bool
|
|
CommonElementAnimationData::CanThrottleTransformChanges(TimeStamp aTime)
|
|
{
|
|
if (!nsLayoutUtils::AreAsyncAnimationsEnabled()) {
|
|
return false;
|
|
}
|
|
|
|
// If we know that the animation cannot cause overflow,
|
|
// we can just disable flushes for this animation.
|
|
|
|
// If we don't show scrollbars, we don't care about overflow.
|
|
if (LookAndFeel::GetInt(LookAndFeel::eIntID_ShowHideScrollbars) == 0) {
|
|
return true;
|
|
}
|
|
|
|
// If this animation can cause overflow, we can throttle some of the ticks.
|
|
if ((aTime - mStyleRuleRefreshTime) < TimeDuration::FromMilliseconds(200)) {
|
|
return true;
|
|
}
|
|
|
|
// If the nearest scrollable ancestor has overflow:hidden,
|
|
// we don't care about overflow.
|
|
nsIScrollableFrame* scrollable = nsLayoutUtils::GetNearestScrollableFrame(
|
|
nsLayoutUtils::GetStyleFrame(mElement));
|
|
if (!scrollable) {
|
|
return true;
|
|
}
|
|
|
|
ScrollbarStyles ss = scrollable->GetScrollbarStyles();
|
|
if (ss.mVertical == NS_STYLE_OVERFLOW_HIDDEN &&
|
|
ss.mHorizontal == NS_STYLE_OVERFLOW_HIDDEN &&
|
|
scrollable->GetLogicalScrollPosition() == nsPoint(0, 0)) {
|
|
return true;
|
|
}
|
|
|
|
return false;
|
|
}
|
|
|
|
bool
|
|
CommonElementAnimationData::CanThrottleAnimation(TimeStamp aTime)
|
|
{
|
|
nsIFrame* frame = nsLayoutUtils::GetStyleFrame(mElement);
|
|
if (!frame) {
|
|
return false;
|
|
}
|
|
|
|
bool hasTransform = HasAnimationOfProperty(eCSSProperty_transform);
|
|
bool hasOpacity = HasAnimationOfProperty(eCSSProperty_opacity);
|
|
if (hasOpacity) {
|
|
Layer* layer = FrameLayerBuilder::GetDedicatedLayer(
|
|
frame, nsDisplayItem::TYPE_OPACITY);
|
|
if (!layer || mAnimationGeneration > layer->GetAnimationGeneration()) {
|
|
return false;
|
|
}
|
|
}
|
|
|
|
if (!hasTransform) {
|
|
return true;
|
|
}
|
|
|
|
Layer* layer = FrameLayerBuilder::GetDedicatedLayer(
|
|
frame, nsDisplayItem::TYPE_TRANSFORM);
|
|
if (!layer || mAnimationGeneration > layer->GetAnimationGeneration()) {
|
|
return false;
|
|
}
|
|
|
|
return CanThrottleTransformChanges(aTime);
|
|
}
|
|
|
|
void
|
|
CommonElementAnimationData::UpdateAnimationGeneration(nsPresContext* aPresContext)
|
|
{
|
|
mAnimationGeneration =
|
|
aPresContext->RestyleManager()->GetAnimationGeneration();
|
|
}
|
|
|
|
}
|
|
}
|