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/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
/* vim: set ts=8 sts=2 et sw=2 tw=80: */
/* 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 "IdleRequest.h"
#include "mozilla/Function.h"
#include "mozilla/TimeStamp.h"
#include "mozilla/dom/IdleDeadline.h"
#include "mozilla/dom/Performance.h"
#include "mozilla/dom/PerformanceTiming.h"
#include "mozilla/dom/WindowBinding.h"
#include "nsComponentManagerUtils.h"
#include "nsGlobalWindow.h"
#include "nsISupportsPrimitives.h"
#include "nsPIDOMWindow.h"
namespace mozilla {
namespace dom {
IdleRequest::IdleRequest(JSContext* aCx, nsPIDOMWindowInner* aWindow,
IdleRequestCallback& aCallback, uint32_t aHandle)
: mWindow(aWindow)
, mCallback(&aCallback)
, mHandle(aHandle)
, mTimeoutHandle(Nothing())
{
MOZ_ASSERT(aWindow);
// Get the calling location.
nsJSUtils::GetCallingLocation(aCx, mFileName, &mLineNo, &mColumn);
}
IdleRequest::~IdleRequest()
{
}
NS_IMPL_CYCLE_COLLECTION_CLASS(IdleRequest)
NS_IMPL_CYCLE_COLLECTING_ADDREF(IdleRequest)
NS_IMPL_CYCLE_COLLECTING_RELEASE(IdleRequest)
NS_IMPL_CYCLE_COLLECTION_UNLINK_BEGIN(IdleRequest)
NS_IMPL_CYCLE_COLLECTION_UNLINK(mWindow)
NS_IMPL_CYCLE_COLLECTION_UNLINK(mCallback)
NS_IMPL_CYCLE_COLLECTION_UNLINK_END
NS_IMPL_CYCLE_COLLECTION_TRAVERSE_BEGIN(IdleRequest)
NS_IMPL_CYCLE_COLLECTION_TRAVERSE(mWindow)
NS_IMPL_CYCLE_COLLECTION_TRAVERSE(mCallback)
NS_IMPL_CYCLE_COLLECTION_TRAVERSE_END
NS_INTERFACE_MAP_BEGIN_CYCLE_COLLECTION(IdleRequest)
NS_INTERFACE_MAP_ENTRY(nsIRunnable)
NS_INTERFACE_MAP_ENTRY(nsICancelableRunnable)
NS_INTERFACE_MAP_ENTRY(nsIIncrementalRunnable)
NS_INTERFACE_MAP_ENTRY(nsITimeoutHandler)
NS_INTERFACE_MAP_ENTRY_AMBIGUOUS(nsISupports, nsITimeoutHandler)
NS_INTERFACE_MAP_END
nsresult
IdleRequest::SetTimeout(uint32_t aTimeout)
{
int32_t handle;
nsresult rv = nsGlobalWindow::Cast(mWindow)->SetTimeoutOrInterval(
this, aTimeout, false, Timeout::Reason::eIdleCallbackTimeout, &handle);
mTimeoutHandle = Some(handle);
return rv;
}
nsresult
IdleRequest::Run()
{
if (mCallback) {
RunIdleRequestCallback(false);
}
return NS_OK;
}
nsresult
IdleRequest::Cancel()
{
mCallback = nullptr;
CancelTimeout();
if (isInList()) {
remove();
}
Release();
return NS_OK;
}
void
IdleRequest::SetDeadline(TimeStamp aDeadline)
{
mozilla::dom::Performance* perf = mWindow->GetPerformance();
mDeadline =
perf ? perf->GetDOMTiming()->TimeStampToDOMHighRes(aDeadline) : 0.0;
}
nsresult
IdleRequest::RunIdleRequestCallback(bool aDidTimeout)
{
MOZ_ASSERT(NS_IsMainThread());
if (!aDidTimeout) {
CancelTimeout();
}
remove();
ErrorResult error;
RefPtr<IdleDeadline> deadline =
new IdleDeadline(mWindow, aDidTimeout, mDeadline);
mCallback->Call(*deadline, error, "requestIdleCallback handler");
mCallback = nullptr;
Release();
return error.StealNSResult();
}
void
IdleRequest::CancelTimeout()
{
if (mTimeoutHandle.isSome()) {
nsGlobalWindow::Cast(mWindow)->ClearTimeoutOrInterval(
mTimeoutHandle.value(), Timeout::Reason::eIdleCallbackTimeout);
}
}
nsresult
IdleRequest::Call()
{
SetDeadline(TimeStamp::Now());
return RunIdleRequestCallback(true);
}
void
IdleRequest::GetLocation(const char** aFileName, uint32_t* aLineNo,
uint32_t* aColumn)
{
*aFileName = mFileName.get();
*aLineNo = mLineNo;
*aColumn = mColumn;
}
void
IdleRequest::MarkForCC()
{
mCallback->MarkForCC();
}
} // namespace dom
} // namespace mozilla
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