1 files changed, 55 insertions, 0 deletions
diff --git a/dom/base/nsIAnimationObserver.h b/dom/base/nsIAnimationObserver.h
new file mode 100644
index 0000000000..a692d2944c
--- /dev/null
+++ b/dom/base/nsIAnimationObserver.h
@@ -0,0 +1,55 @@
+/* -*- 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 nsIAnimationObserver_h___
+#define nsIAnimationObserver_h___
+
+#include "nsIMutationObserver.h"
+
+namespace mozilla::dom {
+class Animation;
+}  // namespace mozilla::dom
+
+#define NS_IANIMATION_OBSERVER_IID                   \
+  {                                                  \
+    0xed025fc7, 0xdeda, 0x48b9, {                    \
+      0x9c, 0x35, 0xf2, 0xb6, 0x1e, 0xeb, 0xd0, 0x8d \
+    }                                                \
+  }
+
+class nsIAnimationObserver : public nsIMutationObserver {
+ public:
+  NS_DECLARE_STATIC_IID_ACCESSOR(NS_IANIMATION_OBSERVER_IID)
+
+  virtual void AnimationAdded(mozilla::dom::Animation* aAnimation) = 0;
+  virtual void AnimationChanged(mozilla::dom::Animation* aAnimation) = 0;
+  virtual void AnimationRemoved(mozilla::dom::Animation* aAnimation) = 0;
+};
+
+NS_DEFINE_STATIC_IID_ACCESSOR(nsIAnimationObserver, NS_IANIMATION_OBSERVER_IID)
+
+#define NS_DECL_NSIANIMATIONOBSERVER_ANIMATIONADDED \
+  virtual void AnimationAdded(mozilla::dom::Animation* aAnimation) override;
+
+#define NS_DECL_NSIANIMATIONOBSERVER_ANIMATIONCHANGED \
+  virtual void AnimationChanged(mozilla::dom::Animation* aAnimation) override;
+
+#define NS_DECL_NSIANIMATIONOBSERVER_ANIMATIONREMOVED \
+  virtual void AnimationRemoved(mozilla::dom::Animation* aAnimation) override;
+
+#define NS_IMPL_NSIANIMATIONOBSERVER_STUB(class_)                       \
+  void class_::AnimationAdded(mozilla::dom::Animation* aAnimation) {}   \
+  void class_::AnimationChanged(mozilla::dom::Animation* aAnimation) {} \
+  void class_::AnimationRemoved(mozilla::dom::Animation* aAnimation) {} \
+  NS_IMPL_NSIMUTATIONOBSERVER_CORE_STUB(class_)                         \
+  NS_IMPL_NSIMUTATIONOBSERVER_CONTENT(class_)
+
+#define NS_DECL_NSIANIMATIONOBSERVER            \
+  NS_DECL_NSIANIMATIONOBSERVER_ANIMATIONADDED   \
+  NS_DECL_NSIANIMATIONOBSERVER_ANIMATIONCHANGED \
+  NS_DECL_NSIANIMATIONOBSERVER_ANIMATIONREMOVED \
+  NS_DECL_NSIMUTATIONOBSERVER
+
+#endif  // nsIAnimationObserver_h___