/* -*- 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