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7168326772
MozReview-Commit-ID: DiJadVc2TyE --HG-- extra : rebase_source : f4571090518a084b6d4b1e6fccf951510b227fbd
104 lines
2.6 KiB
C++
104 lines
2.6 KiB
C++
/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
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/* vim:set ts=2 sw=2 sts=2 et cindent: */
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/* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
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#ifndef mozilla_dom_timeout_h
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#define mozilla_dom_timeout_h
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#include "mozilla/LinkedList.h"
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#include "mozilla/TimeStamp.h"
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#include "nsCOMPtr.h"
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#include "nsCycleCollectionParticipant.h"
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#include "nsPIDOMWindow.h"
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class nsGlobalWindow;
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class nsIPrincipal;
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class nsITimeoutHandler;
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class nsITimer;
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class nsIEventTarget;
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namespace mozilla {
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namespace dom {
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/*
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* Timeout struct that holds information about each script
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* timeout. Holds a strong reference to an nsITimeoutHandler, which
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* abstracts the language specific cruft.
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*/
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class Timeout final
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: public LinkedListElement<Timeout>
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{
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public:
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Timeout();
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NS_DECL_CYCLE_COLLECTION_NATIVE_CLASS(Timeout)
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NS_INLINE_DECL_CYCLE_COLLECTING_NATIVE_REFCOUNTING(Timeout)
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// The target may be specified to use a particular event queue for the
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// resulting timer runnable. A nullptr target will result in the
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// default main thread being used.
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nsresult InitTimer(nsIEventTarget* aTarget, uint32_t aDelay);
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enum class Reason { eTimeoutOrInterval, eIdleCallbackTimeout };
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#ifdef DEBUG
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bool HasRefCntOne() const;
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#endif // DEBUG
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// Window for which this timeout fires
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RefPtr<nsGlobalWindow> mWindow;
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// The actual timer object
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nsCOMPtr<nsITimer> mTimer;
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// True if the timeout was cleared
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bool mCleared;
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// True if this is one of the timeouts that are currently running
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bool mRunning;
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// True if this is a repeating/interval timer
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bool mIsInterval;
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Reason mReason;
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// Returned as value of setTimeout()
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uint32_t mTimeoutId;
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// Interval in milliseconds
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uint32_t mInterval;
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// mWhen and mTimeRemaining can't be in a union, sadly, because they
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// have constructors.
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// Nominal time to run this timeout. Use only when timeouts are not
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// suspended.
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TimeStamp mWhen;
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// Remaining time to wait. Used only when timeouts are suspended.
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TimeDuration mTimeRemaining;
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// Principal with which to execute
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nsCOMPtr<nsIPrincipal> mPrincipal;
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// stack depth at which timeout is firing
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uint32_t mFiringDepth;
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uint32_t mNestingLevel;
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// The popup state at timeout creation time if not created from
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// another timeout
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PopupControlState mPopupState;
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// The language-specific information about the callback.
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nsCOMPtr<nsITimeoutHandler> mScriptHandler;
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private:
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~Timeout();
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};
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} // namespace dom
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} // namespace mozilla
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#endif // mozilla_dom_timeout_h
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