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