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authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-19 00:47:55 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-19 00:47:55 +0000
commit26a029d407be480d791972afb5975cf62c9360a6 (patch)
treef435a8308119effd964b339f76abb83a57c29483 /dom/ipc/VsyncMainChild.cpp
parentInitial commit. (diff)
downloadfirefox-26a029d407be480d791972afb5975cf62c9360a6.tar.xz
firefox-26a029d407be480d791972afb5975cf62c9360a6.zip
Adding upstream version 124.0.1.upstream/124.0.1
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'dom/ipc/VsyncMainChild.cpp')
-rw-r--r--dom/ipc/VsyncMainChild.cpp73
1 files changed, 73 insertions, 0 deletions
diff --git a/dom/ipc/VsyncMainChild.cpp b/dom/ipc/VsyncMainChild.cpp
new file mode 100644
index 0000000000..a1ea332e75
--- /dev/null
+++ b/dom/ipc/VsyncMainChild.cpp
@@ -0,0 +1,73 @@
+/* -*- 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 "VsyncMainChild.h"
+
+#include "mozilla/SchedulerGroup.h"
+#include "mozilla/VsyncDispatcher.h"
+#include "nsThreadUtils.h"
+
+namespace mozilla::dom {
+
+VsyncMainChild::VsyncMainChild()
+ : mIsShutdown(false), mVsyncRate(TimeDuration::Forever()) {
+ MOZ_ASSERT(NS_IsMainThread());
+}
+
+VsyncMainChild::~VsyncMainChild() { MOZ_ASSERT(NS_IsMainThread()); }
+
+void VsyncMainChild::AddChildRefreshTimer(VsyncObserver* aVsyncObserver) {
+ MOZ_ASSERT(NS_IsMainThread());
+ MOZ_ASSERT(!mObservers.Contains(aVsyncObserver));
+
+ if (mIsShutdown) {
+ return;
+ }
+
+ if (mObservers.IsEmpty()) {
+ Unused << PVsyncChild::SendObserve();
+ }
+ mObservers.AppendElement(std::move(aVsyncObserver));
+}
+
+void VsyncMainChild::RemoveChildRefreshTimer(VsyncObserver* aVsyncObserver) {
+ MOZ_ASSERT(NS_IsMainThread());
+ if (mIsShutdown) {
+ return;
+ }
+
+ if (mObservers.RemoveElement(aVsyncObserver) && mObservers.IsEmpty()) {
+ Unused << PVsyncChild::SendUnobserve();
+ }
+}
+
+void VsyncMainChild::ActorDestroy(ActorDestroyReason aActorDestroyReason) {
+ MOZ_ASSERT(NS_IsMainThread());
+ MOZ_ASSERT(!mIsShutdown);
+ mIsShutdown = true;
+
+ if (!mObservers.IsEmpty()) {
+ Unused << PVsyncChild::SendUnobserve();
+ }
+ mObservers.Clear();
+}
+
+mozilla::ipc::IPCResult VsyncMainChild::RecvNotify(const VsyncEvent& aVsync,
+ const float& aVsyncRate) {
+ MOZ_ASSERT(NS_IsMainThread());
+ MOZ_ASSERT(!mIsShutdown);
+
+ mVsyncRate = TimeDuration::FromMilliseconds(aVsyncRate);
+
+ for (RefPtr<VsyncObserver> observer : mObservers.ForwardRange()) {
+ observer->NotifyVsync(aVsync);
+ }
+ return IPC_OK();
+}
+
+TimeDuration VsyncMainChild::GetVsyncRate() { return mVsyncRate; }
+
+} // namespace mozilla::dom