112 lines
3.1 KiB
C++
112 lines
3.1 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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#include "Timeout.h"
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#include "nsGlobalWindow.h"
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#include "nsITimeoutHandler.h"
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#include "nsITimer.h"
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namespace mozilla {
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namespace dom {
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Timeout::Timeout()
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: mCleared(false),
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mRunning(false),
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mIsInterval(false),
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mReason(Reason::eTimeoutOrInterval),
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mTimeoutId(0),
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mInterval(0),
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mFiringDepth(0),
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mNestingLevel(0),
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mPopupState(openAllowed)
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{
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MOZ_COUNT_CTOR(Timeout);
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}
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Timeout::~Timeout()
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{
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if (mTimer) {
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mTimer->Cancel();
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mTimer = nullptr;
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}
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MOZ_COUNT_DTOR(Timeout);
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}
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NS_IMPL_CYCLE_COLLECTION_CLASS(Timeout)
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NS_IMPL_CYCLE_COLLECTION_UNLINK_BEGIN(Timeout)
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NS_IMPL_CYCLE_COLLECTION_UNLINK(mWindow)
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NS_IMPL_CYCLE_COLLECTION_UNLINK(mPrincipal)
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NS_IMPL_CYCLE_COLLECTION_UNLINK(mScriptHandler)
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NS_IMPL_CYCLE_COLLECTION_UNLINK_END
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NS_IMPL_CYCLE_COLLECTION_TRAVERSE_BEGIN(Timeout)
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NS_IMPL_CYCLE_COLLECTION_TRAVERSE(mWindow)
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NS_IMPL_CYCLE_COLLECTION_TRAVERSE(mPrincipal)
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NS_IMPL_CYCLE_COLLECTION_TRAVERSE(mScriptHandler)
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NS_IMPL_CYCLE_COLLECTION_TRAVERSE_END
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NS_IMPL_CYCLE_COLLECTION_ROOT_NATIVE(Timeout, AddRef)
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NS_IMPL_CYCLE_COLLECTION_UNROOT_NATIVE(Timeout, Release)
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namespace {
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void
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TimerCallback(nsITimer*, void* aClosure)
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{
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RefPtr<Timeout> timeout = (Timeout*)aClosure;
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timeout->mWindow->RunTimeout(timeout);
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}
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void
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TimerNameCallback(nsITimer* aTimer, void* aClosure, char* aBuf, size_t aLen)
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{
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RefPtr<Timeout> timeout = (Timeout*)aClosure;
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const char* filename;
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uint32_t lineNum, column;
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timeout->mScriptHandler->GetLocation(&filename, &lineNum, &column);
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snprintf(aBuf, aLen, "[content] %s:%u:%u", filename, lineNum, column);
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}
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} // anonymous namespace
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nsresult
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Timeout::InitTimer(nsIEventTarget* aTarget, uint32_t aDelay)
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{
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// If the given target does not match the timer's current target
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// then we need to override it before the Init. Note that GetTarget()
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// will return the current thread after setting the target to nullptr.
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// So we need to special case the nullptr target comparison.
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nsCOMPtr<nsIEventTarget> currentTarget;
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MOZ_ALWAYS_SUCCEEDS(mTimer->GetTarget(getter_AddRefs(currentTarget)));
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if ((aTarget && currentTarget != aTarget) ||
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(!aTarget && currentTarget != NS_GetCurrentThread())) {
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// Always call Cancel() in case we are re-using a timer. Otherwise
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// the subsequent SetTarget() may fail.
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MOZ_ALWAYS_SUCCEEDS(mTimer->Cancel());
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MOZ_ALWAYS_SUCCEEDS(mTimer->SetTarget(aTarget));
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}
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return mTimer->InitWithNameableFuncCallback(
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TimerCallback, this, aDelay, nsITimer::TYPE_ONE_SHOT, TimerNameCallback);
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}
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// Return true if this timeout has a refcount of 1. This is used to check
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// that dummy_timeout doesn't leak from nsGlobalWindow::RunTimeout.
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#ifdef DEBUG
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bool
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Timeout::HasRefCntOne() const
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{
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return mRefCnt.get() == 1;
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}
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#endif // DEBUG
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} // namespace dom
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} // namespace mozilla
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