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