Adding upstream version 124.0.1.upstream/124.0.1

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 94 insertions, 0 deletions

diff --git a/layout/svg/SVGFilterFrame.h b/layout/svg/SVGFilterFrame.h
new file mode 100644
index 0000000000..e840008483
--- /dev/null
+++ b/layout/svg/SVGFilterFrame.h
@@ -0,0 +1,94 @@
+/* -*- 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_SVGFILTERFRAME_H_
+#define LAYOUT_SVG_SVGFILTERFRAME_H_
+
+#include "mozilla/Attributes.h"
+#include "mozilla/SVGContainerFrame.h"
+#include "nsQueryFrame.h"
+
+class nsAtom;
+class nsIContent;
+class nsIFrame;
+
+struct nsRect;
+
+namespace mozilla {
+class SVGAnimatedLength;
+class SVGFilterInstance;
+class PresShell;
+
+namespace dom {
+class SVGFilterElement;
+}  // namespace dom
+}  // namespace mozilla
+
+nsIFrame* NS_NewSVGFilterFrame(mozilla::PresShell* aPresShell,
+                               mozilla::ComputedStyle* aStyle);
+
+namespace mozilla {
+
+class SVGFilterFrame final : public SVGContainerFrame {
+  friend nsIFrame* ::NS_NewSVGFilterFrame(mozilla::PresShell* aPresShell,
+                                          ComputedStyle* aStyle);
+
+ protected:
+  explicit SVGFilterFrame(ComputedStyle* aStyle, nsPresContext* aPresContext)
+      : SVGContainerFrame(aStyle, aPresContext, kClassID),
+        mLoopFlag(false),
+        mNoHRefURI(false) {
+    AddStateBits(NS_FRAME_IS_NONDISPLAY |
+                 NS_STATE_SVG_RENDERING_OBSERVER_CONTAINER);
+  }
+
+ public:
+  NS_DECL_FRAMEARENA_HELPERS(SVGFilterFrame)
+
+  // nsIFrame methods:
+  void BuildDisplayList(nsDisplayListBuilder* aBuilder,
+                        const nsDisplayListSet& aLists) override {}
+
+  nsresult AttributeChanged(int32_t aNameSpaceID, nsAtom* aAttribute,
+                            int32_t aModType) override;
+
+#ifdef DEBUG
+  void Init(nsIContent* aContent, nsContainerFrame* aParent,
+            nsIFrame* aPrevInFlow) override;
+#endif
+
+ private:
+  friend class SVGFilterInstance;
+
+  /**
+   * Parses this frame's href and - if it references another filter - returns
+   * it.  It also makes this frame a rendering observer of the specified ID.
+   */
+  SVGFilterFrame* GetReferencedFilter();
+
+  // Accessors to lookup filter attributes
+  uint16_t GetEnumValue(uint32_t aIndex, nsIContent* aDefault);
+  uint16_t GetEnumValue(uint32_t aIndex) {
+    return GetEnumValue(aIndex, mContent);
+  }
+  const mozilla::SVGAnimatedLength* GetLengthValue(uint32_t aIndex,
+                                                   nsIContent* aDefault);
+  const mozilla::SVGAnimatedLength* GetLengthValue(uint32_t aIndex) {
+    return GetLengthValue(aIndex, mContent);
+  }
+  const mozilla::dom::SVGFilterElement* GetFilterContent(nsIContent* aDefault);
+  const mozilla::dom::SVGFilterElement* GetFilterContent() {
+    return GetFilterContent(mContent);
+  }
+
+  // This flag is used to detect loops in xlink:href processing
+  bool mLoopFlag;
+  bool mNoHRefURI;
+};
+
+}  // namespace mozilla
+
+#endif  // LAYOUT_SVG_SVGFILTERFRAME_H_