зеркало из https://github.com/mozilla/gecko-dev.git
108 строки
2.8 KiB
C++
108 строки
2.8 KiB
C++
/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
|
|
/* vim:set ts=2 sw=2 sts=2 et cindent: */
|
|
/* 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/. */
|
|
|
|
#ifndef mozilla_dom_timeout_h
|
|
#define mozilla_dom_timeout_h
|
|
|
|
#include "mozilla/LinkedList.h"
|
|
#include "mozilla/TimeStamp.h"
|
|
#include "nsCOMPtr.h"
|
|
#include "nsCycleCollectionParticipant.h"
|
|
#include "nsGlobalWindow.h"
|
|
#include "nsITimeoutHandler.h"
|
|
|
|
class nsIEventTarget;
|
|
class nsIPrincipal;
|
|
class nsIEventTarget;
|
|
|
|
namespace mozilla {
|
|
namespace dom {
|
|
|
|
/*
|
|
* Timeout struct that holds information about each script
|
|
* timeout. Holds a strong reference to an nsITimeoutHandler, which
|
|
* abstracts the language specific cruft.
|
|
*/
|
|
class Timeout final
|
|
: public LinkedListElement<RefPtr<Timeout>>
|
|
{
|
|
public:
|
|
Timeout();
|
|
|
|
NS_DECL_CYCLE_COLLECTION_NATIVE_CLASS(Timeout)
|
|
NS_INLINE_DECL_CYCLE_COLLECTING_NATIVE_REFCOUNTING(Timeout)
|
|
|
|
enum class Reason
|
|
{
|
|
eTimeoutOrInterval,
|
|
eIdleCallbackTimeout,
|
|
};
|
|
|
|
void SetWhenOrTimeRemaining(const TimeStamp& aBaseTime,
|
|
const TimeDuration& aDelay);
|
|
|
|
// Can only be called when not frozen.
|
|
const TimeStamp& When() const;
|
|
|
|
// Can only be called when frozen.
|
|
const TimeDuration& TimeRemaining() const;
|
|
|
|
// Window for which this timeout fires
|
|
RefPtr<nsGlobalWindow> mWindow;
|
|
|
|
// True if the timeout was cleared
|
|
bool mCleared;
|
|
|
|
// True if this is one of the timeouts that are currently running
|
|
bool mRunning;
|
|
|
|
// True if this is a repeating/interval timer
|
|
bool mIsInterval;
|
|
|
|
// True if this is a timeout coming from a tracking script
|
|
bool mIsTracking;
|
|
|
|
// Used to allow several reasons for setting a timeout, where each
|
|
// 'Reason' value is using a possibly overlapping set of id:s.
|
|
Reason mReason;
|
|
|
|
// Returned as value of setTimeout()
|
|
uint32_t mTimeoutId;
|
|
|
|
// Interval
|
|
TimeDuration mInterval;
|
|
|
|
// Identifies which firing level this Timeout is being processed in
|
|
// when sync loops trigger nested firing.
|
|
uint32_t mFiringId;
|
|
|
|
uint32_t mNestingLevel;
|
|
|
|
// The popup state at timeout creation time if not created from
|
|
// another timeout
|
|
PopupControlState mPopupState;
|
|
|
|
// The language-specific information about the callback.
|
|
nsCOMPtr<nsITimeoutHandler> mScriptHandler;
|
|
|
|
private:
|
|
// mWhen and mTimeRemaining can't be in a union, sadly, because they
|
|
// have constructors.
|
|
// Nominal time to run this timeout. Use only when timeouts are not
|
|
// frozen.
|
|
TimeStamp mWhen;
|
|
|
|
// Remaining time to wait. Used only when timeouts are frozen.
|
|
TimeDuration mTimeRemaining;
|
|
|
|
~Timeout() = default;
|
|
};
|
|
|
|
} // namespace dom
|
|
} // namespace mozilla
|
|
|
|
#endif // mozilla_dom_timeout_h
|