summaryrefslogtreecommitdiffstats
path: root/dom/svg/SVGTransformableElement.h
diff options
context:
space:
mode:
Diffstat (limited to '')
-rw-r--r--dom/svg/SVGTransformableElement.h77
1 files changed, 77 insertions, 0 deletions
diff --git a/dom/svg/SVGTransformableElement.h b/dom/svg/SVGTransformableElement.h
new file mode 100644
index 0000000000..2f6a504ce2
--- /dev/null
+++ b/dom/svg/SVGTransformableElement.h
@@ -0,0 +1,77 @@
+/* -*- 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 DOM_SVG_SVGTRANSFORMABLEELEMENT_H_
+#define DOM_SVG_SVGTRANSFORMABLEELEMENT_H_
+
+#include "gfxMatrix.h"
+#include "mozilla/Attributes.h"
+#include "mozilla/dom/SVGAnimatedTransformList.h"
+#include "mozilla/dom/SVGElement.h"
+#include "mozilla/gfx/Matrix.h"
+#include "mozilla/UniquePtr.h"
+
+namespace mozilla::dom {
+
+class DOMSVGAnimatedTransformList;
+class SVGGraphicsElement;
+class SVGMatrix;
+class SVGRect;
+struct SVGBoundingBoxOptions;
+
+class SVGTransformableElement : public SVGElement {
+ public:
+ explicit SVGTransformableElement(already_AddRefed<dom::NodeInfo>&& aNodeInfo)
+ : SVGElement(std::move(aNodeInfo)) {}
+ virtual ~SVGTransformableElement() = default;
+
+ nsresult Clone(dom::NodeInfo*, nsINode** aResult) const override = 0;
+
+ // WebIDL
+ already_AddRefed<DOMSVGAnimatedTransformList> Transform();
+
+ // nsIContent interface
+ nsChangeHint GetAttributeChangeHint(const nsAtom* aAttribute,
+ int32_t aModType) const override;
+
+ // SVGElement overrides
+ bool IsEventAttributeNameInternal(nsAtom* aName) override;
+
+ gfxMatrix PrependLocalTransformsTo(
+ const gfxMatrix& aMatrix,
+ SVGTransformTypes aWhich = eAllTransforms) const override;
+ const gfx::Matrix* GetAnimateMotionTransform() const override;
+ void SetAnimateMotionTransform(const gfx::Matrix* aMatrix) override;
+
+ SVGAnimatedTransformList* GetAnimatedTransformList(
+ uint32_t aFlags = 0) override;
+ nsStaticAtom* GetTransformListAttrName() const override {
+ return nsGkAtoms::transform;
+ }
+
+ bool IsTransformable() override { return true; }
+
+ protected:
+ /**
+ * Helper for overrides of PrependLocalTransformsTo. If both arguments are
+ * provided they are multiplied in the order in which the arguments appear,
+ * and the result is returned. If neither argument is provided, the identity
+ * matrix is returned. If only one argument is provided its transform is
+ * returned.
+ */
+ static gfxMatrix GetUserToParentTransform(
+ const gfx::Matrix* aAnimateMotionTransform,
+ const SVGAnimatedTransformList* aTransforms);
+
+ UniquePtr<SVGAnimatedTransformList> mTransforms;
+
+ // XXX maybe move this to property table, to save space on un-animated elems?
+ UniquePtr<gfx::Matrix> mAnimateMotionTransform;
+};
+
+} // namespace mozilla::dom
+
+#endif // DOM_SVG_SVGTRANSFORMABLEELEMENT_H_