summaryrefslogtreecommitdiffstats
path: root/gfx/layers/apz/util/APZThreadUtils.h
diff options
context:
space:
mode:
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 /gfx/layers/apz/util/APZThreadUtils.h
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 'gfx/layers/apz/util/APZThreadUtils.h')
-rw-r--r--gfx/layers/apz/util/APZThreadUtils.h75
1 files changed, 75 insertions, 0 deletions
diff --git a/gfx/layers/apz/util/APZThreadUtils.h b/gfx/layers/apz/util/APZThreadUtils.h
new file mode 100644
index 0000000000..f1560eee8c
--- /dev/null
+++ b/gfx/layers/apz/util/APZThreadUtils.h
@@ -0,0 +1,75 @@
+/* -*- 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/. */
+
+#ifndef mozilla_layers_APZThreadUtils_h
+#define mozilla_layers_APZThreadUtils_h
+
+#include "nsIEventTarget.h"
+#include "nsINamed.h"
+#include "nsITimer.h"
+#include "nsString.h"
+
+class nsISerialEventTarget;
+
+namespace mozilla {
+
+class Runnable;
+
+namespace layers {
+
+class APZThreadUtils {
+ public:
+ /**
+ * In the gtest environment everything runs on one thread, so we
+ * shouldn't assert that we're on a particular thread. This enables
+ * that behaviour.
+ */
+ static void SetThreadAssertionsEnabled(bool aEnabled);
+ static bool GetThreadAssertionsEnabled();
+
+ /**
+ * Set the controller thread.
+ */
+ static void SetControllerThread(nsISerialEventTarget* aThread);
+
+ /**
+ * This can be used to assert that the current thread is the
+ * controller/UI thread (on which input events are received).
+ * This does nothing if thread assertions are disabled.
+ */
+ static void AssertOnControllerThread();
+
+ /**
+ * Run the given task on the APZ "controller thread" for this platform. If
+ * this function is called from the controller thread itself then the task is
+ * run immediately without getting queued.
+ */
+ static void RunOnControllerThread(
+ RefPtr<Runnable>&& aTask,
+ uint32_t flags = nsIEventTarget::DISPATCH_NORMAL);
+
+ /**
+ * Returns true if currently on APZ "controller thread".
+ */
+ static bool IsControllerThread();
+
+ /**
+ * Returns true if the controller thread is still alive.
+ */
+ static bool IsControllerThreadAlive();
+
+ /**
+ * Schedules a runnable to run on the controller thread at some time
+ * in the future.
+ */
+ static void DelayedDispatch(already_AddRefed<Runnable> aRunnable,
+ int aDelayMs);
+};
+
+} // namespace layers
+} // namespace mozilla
+
+#endif /* mozilla_layers_APZThreadUtils_h */