summaryrefslogtreecommitdiffstats
path: root/dom/animation/AnimationUtils.h
diff options
context:
space:
mode:
Diffstat (limited to 'dom/animation/AnimationUtils.h')
-rw-r--r--dom/animation/AnimationUtils.h74
1 files changed, 74 insertions, 0 deletions
diff --git a/dom/animation/AnimationUtils.h b/dom/animation/AnimationUtils.h
new file mode 100644
index 000000000..82ae69bc8
--- /dev/null
+++ b/dom/animation/AnimationUtils.h
@@ -0,0 +1,74 @@
+/* -*- 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_dom_AnimationUtils_h
+#define mozilla_dom_AnimationUtils_h
+
+#include "mozilla/TimeStamp.h"
+#include "mozilla/dom/Nullable.h"
+#include "nsStringFwd.h"
+
+class nsIContent;
+class nsIDocument;
+struct JSContext;
+
+namespace mozilla {
+
+class ComputedTimingFunction;
+
+class AnimationUtils
+{
+public:
+ static dom::Nullable<double>
+ TimeDurationToDouble(const dom::Nullable<TimeDuration>& aTime)
+ {
+ dom::Nullable<double> result;
+
+ if (!aTime.IsNull()) {
+ result.SetValue(aTime.Value().ToMilliseconds());
+ }
+
+ return result;
+ }
+
+ static dom::Nullable<TimeDuration>
+ DoubleToTimeDuration(const dom::Nullable<double>& aTime)
+ {
+ dom::Nullable<TimeDuration> result;
+
+ if (!aTime.IsNull()) {
+ result.SetValue(TimeDuration::FromMilliseconds(aTime.Value()));
+ }
+
+ return result;
+ }
+
+ static void LogAsyncAnimationFailure(nsCString& aMessage,
+ const nsIContent* aContent = nullptr);
+
+ /**
+ * Get the document from the JS context to use when parsing CSS properties.
+ */
+ static nsIDocument*
+ GetCurrentRealmDocument(JSContext* aCx);
+
+ /**
+ * Checks if offscreen animation throttling is enabled.
+ */
+ static bool
+ IsOffscreenThrottlingEnabled();
+
+ /**
+ * Returns true if the preference to enable the core Web Animations API is
+ * true or the caller is chrome.
+ */
+ static bool
+ IsCoreAPIEnabledForCaller();
+};
+
+} // namespace mozilla
+
+#endif