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author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-07 09:22:09 +0000 |
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committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-07 09:22:09 +0000 |
commit | 43a97878ce14b72f0981164f87f2e35e14151312 (patch) | |
tree | 620249daf56c0258faa40cbdcf9cfba06de2a846 /dom/base/IdleDeadline.cpp | |
parent | Initial commit. (diff) | |
download | firefox-upstream.tar.xz firefox-upstream.zip |
Adding upstream version 110.0.1.upstream/110.0.1upstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to '')
-rw-r--r-- | dom/base/IdleDeadline.cpp | 76 |
1 files changed, 76 insertions, 0 deletions
diff --git a/dom/base/IdleDeadline.cpp b/dom/base/IdleDeadline.cpp new file mode 100644 index 0000000000..ac9cbdbe03 --- /dev/null +++ b/dom/base/IdleDeadline.cpp @@ -0,0 +1,76 @@ +/* -*- 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 "mozilla/dom/IdleDeadline.h" + +#include <algorithm> + +#include "mozilla/dom/Document.h" +#include "mozilla/dom/IdleDeadlineBinding.h" +#include "mozilla/dom/Performance.h" +#include "nsCOMPtr.h" +#include "nsCycleCollectionParticipant.h" +#include "nsDOMNavigationTiming.h" +#include "nsPIDOMWindow.h" + +namespace mozilla::dom { + +NS_IMPL_CYCLE_COLLECTION_WRAPPERCACHE(IdleDeadline, mWindow, mGlobal) +NS_IMPL_CYCLE_COLLECTING_ADDREF(IdleDeadline) +NS_IMPL_CYCLE_COLLECTING_RELEASE(IdleDeadline) +NS_INTERFACE_MAP_BEGIN_CYCLE_COLLECTION(IdleDeadline) + NS_WRAPPERCACHE_INTERFACE_MAP_ENTRY + NS_INTERFACE_MAP_ENTRY(nsISupports) +NS_INTERFACE_MAP_END + +IdleDeadline::IdleDeadline(nsPIDOMWindowInner* aWindow, bool aDidTimeout, + DOMHighResTimeStamp aDeadline) + : mWindow(aWindow), mDidTimeout(aDidTimeout), mDeadline(aDeadline) { + bool hasHadSHO; + mGlobal = aWindow->GetDoc()->GetScriptHandlingObject(hasHadSHO); +} + +IdleDeadline::IdleDeadline(nsIGlobalObject* aGlobal, bool aDidTimeout, + DOMHighResTimeStamp aDeadline) + : mWindow(nullptr), + mGlobal(aGlobal), + mDidTimeout(aDidTimeout), + mDeadline(aDeadline) {} + +IdleDeadline::~IdleDeadline() = default; + +JSObject* IdleDeadline::WrapObject(JSContext* aCx, + JS::Handle<JSObject*> aGivenProto) { + return IdleDeadline_Binding::Wrap(aCx, this, aGivenProto); +} + +DOMHighResTimeStamp IdleDeadline::TimeRemaining() { + if (mDidTimeout) { + return 0.0; + } + + if (mWindow) { + RefPtr<Performance> performance = mWindow->GetPerformance(); + if (!performance) { + // If there is no performance object the window is partially torn + // down, so we can safely say that there is no time remaining. + return 0.0; + } + + // The web API doesn't expect deadlines > 50ms, but conversion from the + // internal API may lead to some rounding errors. + return std::min(std::max(mDeadline - performance->Now(), 0.0), 50.0); + } + + // If there's no window, we're in a system scope, and can just use + // a high-resolution TimeStamp::Now(); + auto timestamp = TimeStamp::Now() - TimeStamp::ProcessCreation(); + return std::max(mDeadline - timestamp.ToMilliseconds(), 0.0); +} + +bool IdleDeadline::DidTimeout() const { return mDidTimeout; } + +} // namespace mozilla::dom |