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Bug 1556808. Use StaticPrefs for layout.css.prefixes.webkit in EventListenerManager. r=farre

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Differential Revision: https://phabricator.services.mozilla.com/D33685

--HG--
extra : moz-landing-system : lando
This commit is contained in:
Boris Zbarsky 2019-06-05 09:03:11 +00:00
parent e590727548
commit bf01c9bff6
1 changed files with 2 additions and 14 deletions
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16
dom/events/EventListenerManager.cpp
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@ -19,6 +19,7 @@
#include "mozilla/MemoryReporting.h"
#include "mozilla/Preferences.h"
#include "mozilla/PresShell.h"
#include "mozilla/StaticPrefs.h"
#include "mozilla/dom/BindingUtils.h"
#include "mozilla/dom/Element.h"
#include "mozilla/dom/Event.h"
@ -96,19 +97,6 @@ static uint32_t MutationBitForEventType(EventMessage aEventType) {
uint32_t EventListenerManager::sMainThreadCreatedCount = 0;
static bool IsWebkitPrefixSupportEnabled() {
static bool sIsWebkitPrefixSupportEnabled;
static bool sIsPrefCached = false;
if (!sIsPrefCached) {
sIsPrefCached = true;
Preferences::AddBoolVarCache(&sIsWebkitPrefixSupportEnabled,
"layout.css.prefixes.webkit");
}
return sIsWebkitPrefixSupportEnabled;
}
EventListenerManagerBase::EventListenerManagerBase()
: mNoListenerForEvent(eVoidEvent),
mMayHavePaintEventListener(false),
@ -1050,7 +1038,7 @@ EventMessage EventListenerManager::GetLegacyEventMessage(
// (If we're off-main-thread, we can't check the pref; so we just behave as
// if it's disabled.)
if (mIsMainThreadELM) {
if (IsWebkitPrefixSupportEnabled()) {
if (StaticPrefs::layout_css_prefixes_webkit()) {
// webkit-prefixed legacy events:
if (aEventMessage == eTransitionEnd) {
return eWebkitTransitionEnd;