Add m-esr52 at 52.6.0

1 files changed, 99 insertions, 0 deletions

diff --git a/layout/svg/nsSVGFilterFrame.h b/layout/svg/nsSVGFilterFrame.h
new file mode 100644
index 000000000..223c787f6
--- /dev/null
+++ b/layout/svg/nsSVGFilterFrame.h
@@ -0,0 +1,99 @@
+/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
+/* 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 __NS_SVGFILTERFRAME_H__
+#define __NS_SVGFILTERFRAME_H__
+
+#include "mozilla/Attributes.h"
+#include "nsFrame.h"
+#include "nsQueryFrame.h"
+#include "nsSVGContainerFrame.h"
+#include "nsSVGUtils.h"
+
+class nsIAtom;
+class nsIContent;
+class nsIFrame;
+class nsIPresShell;
+class nsStyleContext;
+class nsSVGLength2;
+
+struct nsRect;
+
+namespace mozilla {
+namespace dom {
+class SVGFilterElement;
+} // namespace dom
+} // namespace mozilla
+
+class nsSVGFilterFrame : public nsSVGContainerFrame
+{
+  friend nsIFrame*
+  NS_NewSVGFilterFrame(nsIPresShell* aPresShell, nsStyleContext* aContext);
+protected:
+  explicit nsSVGFilterFrame(nsStyleContext* aContext)
+    : nsSVGContainerFrame(aContext)
+    , mLoopFlag(false)
+    , mNoHRefURI(false)
+  {
+    AddStateBits(NS_FRAME_IS_NONDISPLAY);
+  }
+
+public:
+  NS_DECL_FRAMEARENA_HELPERS
+
+  // nsIFrame methods:
+  virtual void BuildDisplayList(nsDisplayListBuilder*   aBuilder,
+                                const nsRect&           aDirtyRect,
+                                const nsDisplayListSet& aLists) override {}
+
+  virtual nsresult AttributeChanged(int32_t         aNameSpaceID,
+                                    nsIAtom*        aAttribute,
+                                    int32_t         aModType) override;
+
+#ifdef DEBUG
+  virtual void Init(nsIContent*       aContent,
+                    nsContainerFrame* aParent,
+                    nsIFrame*         aPrevInFlow) override;
+#endif
+
+  /**
+   * Get the "type" of the frame
+   *
+   * @see nsGkAtoms::svgFilterFrame
+   */
+  virtual nsIAtom* GetType() const override;
+
+private:
+  // Parse our xlink:href and set up our nsSVGPaintingProperty if we
+  // reference another filter and we don't have a property. Return
+  // the referenced filter's frame if available, null otherwise.
+  class AutoFilterReferencer;
+  friend class nsSVGFilterInstance;
+  nsSVGFilterFrame* GetReferencedFilter();
+  nsSVGFilterFrame* GetReferencedFilterIfNotInUse();
+
+  // Accessors to lookup filter attributes
+  uint16_t GetEnumValue(uint32_t aIndex, nsIContent *aDefault);
+  uint16_t GetEnumValue(uint32_t aIndex)
+  {
+    return GetEnumValue(aIndex, mContent);
+  }
+  const nsSVGLength2 *GetLengthValue(uint32_t aIndex, nsIContent *aDefault);
+  const nsSVGLength2 *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;
+};
+
+#endif