1 files changed, 30 insertions, 0 deletions
diff --git a/layout/svg/ISVGSVGFrame.h b/layout/svg/ISVGSVGFrame.h
new file mode 100644
index 0000000000..ce034b5338
--- /dev/null
+++ b/layout/svg/ISVGSVGFrame.h
@@ -0,0 +1,30 @@
+/* -*- 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 LAYOUT_SVG_ISVGSVGFRAME_H_
+#define LAYOUT_SVG_ISVGSVGFRAME_H_
+
+#include "nsQueryFrame.h"
+
+namespace mozilla {
+
+class ISVGSVGFrame {
+ public:
+  NS_DECL_QUERYFRAME_TARGET(ISVGSVGFrame)
+
+  /**
+   * Called when non-attribute changes have caused the element's width/height
+   * or its for-children transform to change, and to get the element to notify
+   * its children appropriately. aFlags must be set to
+   * ISVGDisplayableFrame::COORD_CONTEXT_CHANGED and/or
+   * ISVGDisplayableFrame::TRANSFORM_CHANGED.
+   */
+  virtual void NotifyViewportOrTransformChanged(uint32_t aFlags) = 0;
+};
+
+}  // namespace mozilla
+
+#endif  // LAYOUT_SVG_ISVGSVGFRAME_H_