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Bug 757680 - Add a pref to turn off event coalescing. r=kats

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This commit is contained in:
Wes Johnston
2012-08-09 12:54:36 -07:00
parent 64671784de
commit 16ba17afaf
3 changed files with 12 additions and 1 deletions
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9
widget/android/nsAppShell.cpp
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@@ -213,9 +213,11 @@ nsAppShell::NotifyNativeEvent()
#define PREFNAME_MATCH_OS "intl.locale.matchOS"
#define PREFNAME_UA_LOCALE "general.useragent.locale"
#define PREFNAME_COALESCE_TOUCHES "dom.event.touch.coalescing.enabled"
static const char* kObservedPrefs[] = {
PREFNAME_MATCH_OS,
PREFNAME_UA_LOCALE,
PREFNAME_COALESCE_TOUCHES,
nullptr
};
@@ -262,6 +264,7 @@ nsAppShell::Init()
}
bridge->SetSelectedLocale(locale);
mAllowCoalescingTouches = Preferences::GetBool(PREFNAME_COALESCE_TOUCHES, true);
return rv;
}
@@ -278,6 +281,8 @@ nsAppShell::Observe(nsISupports* aSubject,
} else if (!strcmp(aTopic, NS_PREFBRANCH_PREFCHANGE_TOPIC_ID) && aData && (
nsDependentString(aData).Equals(
NS_LITERAL_STRING(PREFNAME_UA_LOCALE)) ||
nsDependentString(aData).Equals(
NS_LITERAL_STRING(PREFNAME_COALESCE_TOUCHES)) ||
nsDependentString(aData).Equals(
NS_LITERAL_STRING(PREFNAME_MATCH_OS)))) {
AndroidBridge* bridge = AndroidBridge::Bridge();
@@ -301,6 +306,8 @@ nsAppShell::Observe(nsISupports* aSubject,
}
bridge->SetSelectedLocale(locale);
mAllowCoalescingTouches = Preferences::GetBool(PREFNAME_COALESCE_TOUCHES, true);
return NS_OK;
}
return NS_OK;
@@ -761,7 +768,7 @@ nsAppShell::PostEvent(AndroidGeckoEvent *ae)
break;
case AndroidGeckoEvent::MOTION_EVENT:
if (ae->Action() == AndroidMotionEvent::ACTION_MOVE) {
if (ae->Action() == AndroidMotionEvent::ACTION_MOVE && mAllowCoalescingTouches) {
int len = mEventQueue.Length();
if (len > 0) {
AndroidGeckoEvent* event = mEventQueue[len - 1];