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#463: add IdleRequestCallback to nsTimeout

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This commit is contained in:
Cameron Kaiser 2018-02-06 14:32:06 -08:00
parent 48db0951b8
commit 14b7123a72
2 changed files with 30 additions and 1 deletions
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22
dom/base/nsGlobalWindow.cpp
View File

@ -11537,10 +11537,20 @@ nsGlobalWindow::SetInterval(JSContext* aCx, const nsAString& aHandler,
return SetTimeoutOrInterval(aCx, aHandler, timeout, isInterval, aError);
}
// TenFourFox issue 463
nsresult
nsGlobalWindow::SetTimeoutOrInterval(nsIScriptTimeoutHandler *aHandler,
int32_t interval,
bool aIsInterval, int32_t *aReturn)
{
return SetTimeoutOrIntervalOrIdleCallback(aHandler, interval, aIsInterval, aReturn, nullptr);
}
nsresult
nsGlobalWindow::SetTimeoutOrIntervalOrIdleCallback(nsIScriptTimeoutHandler *aHandler,
int32_t interval,
bool aIsInterval, int32_t *aReturn,
mozilla::dom::IdleRequestCallback *aCallback)
{
MOZ_ASSERT(IsInnerWindow());
@ -11565,7 +11575,10 @@ nsGlobalWindow::SetTimeoutOrInterval(nsIScriptTimeoutHandler *aHandler,
RefPtr<nsTimeout> timeout = new nsTimeout();
timeout->mIsInterval = aIsInterval;
timeout->mInterval = interval;
timeout->mScriptHandler = aHandler;
if (aCallback)
timeout->mCallback = aCallback;
else
timeout->mScriptHandler = aHandler;
// Now clamp the actual interval we will use for the timer based on
uint32_t nestingLevel = sNestingLevel + 1;
@ -11754,6 +11767,13 @@ nsGlobalWindow::RunTimeoutHandler(nsTimeout* aTimeout,
reason = "setTimeout handler";
}
if (!timeout->mScriptHandler) {
// Time to assess the conditions for requestIdleCallback (issue 463).
MOZ_ASSERT(timeout->mCallback);
MOZ_CRASH("RunTimeoutHandler triggered on requestIdleCallback");
return false;
}
nsCOMPtr<nsIScriptTimeoutHandler> handler(timeout->mScriptHandler);
RefPtr<Function> callback = handler->GetCallback();
if (!callback) {

9
dom/base/nsGlobalWindow.h
View File

@ -211,7 +211,10 @@ public:
PopupControlState mPopupState;
// The language-specific information about the callback.
// If there is an nsIScriptTimeoutHandler, this is a regular setTimeout.
// If there is an IdleRequestCallback, this is requestIdleCallback (issue 463).
nsCOMPtr<nsIScriptTimeoutHandler> mScriptHandler;
RefPtr<mozilla::dom::IdleRequestCallback> mCallback;
};
struct IdleObserverHolder
@ -1411,6 +1414,12 @@ public:
nsresult SetTimeoutOrInterval(nsIScriptTimeoutHandler *aHandler,
int32_t interval,
bool aIsInterval, int32_t* aReturn) override;
// TenFourFox issue 463
nsresult SetTimeoutOrIntervalOrIdleCallback(nsIScriptTimeoutHandler *aHandler,
int32_t interval,
bool aIsInterval, int32_t *aReturn,
mozilla::dom::IdleRequestCallback *aCallback);
int32_t SetTimeoutOrInterval(JSContext* aCx,
mozilla::dom::Function& aFunction,
int32_t aTimeout,