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authorMatt A. Tobin <mattatobin@localhost.localdomain>2018-02-02 04:16:08 -0500
committerMatt A. Tobin <mattatobin@localhost.localdomain>2018-02-02 04:16:08 -0500
commit5f8de423f190bbb79a62f804151bc24824fa32d8 (patch)
tree10027f336435511475e392454359edea8e25895d /layout/svg/SVGFEUnstyledLeafFrame.cpp
parent49ee0794b5d912db1f95dce6eb52d781dc210db5 (diff)
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Add m-esr52 at 52.6.0
Diffstat (limited to 'layout/svg/SVGFEUnstyledLeafFrame.cpp')
-rw-r--r--layout/svg/SVGFEUnstyledLeafFrame.cpp87
1 files changed, 87 insertions, 0 deletions
diff --git a/layout/svg/SVGFEUnstyledLeafFrame.cpp b/layout/svg/SVGFEUnstyledLeafFrame.cpp
new file mode 100644
index 000000000..083c0f27d
--- /dev/null
+++ b/layout/svg/SVGFEUnstyledLeafFrame.cpp
@@ -0,0 +1,87 @@
+/* -*- 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/. */
+
+// Keep in (case-insensitive) order:
+#include "nsContainerFrame.h"
+#include "nsFrame.h"
+#include "nsGkAtoms.h"
+#include "nsSVGEffects.h"
+#include "nsSVGFilters.h"
+
+class SVGFEUnstyledLeafFrame : public nsFrame
+{
+ friend nsIFrame*
+ NS_NewSVGFEUnstyledLeafFrame(nsIPresShell* aPresShell, nsStyleContext* aContext);
+protected:
+ explicit SVGFEUnstyledLeafFrame(nsStyleContext* aContext)
+ : nsFrame(aContext)
+ {
+ AddStateBits(NS_FRAME_SVG_LAYOUT | NS_FRAME_IS_NONDISPLAY);
+ }
+
+public:
+ NS_DECL_FRAMEARENA_HELPERS
+
+ virtual void BuildDisplayList(nsDisplayListBuilder* aBuilder,
+ const nsRect& aDirtyRect,
+ const nsDisplayListSet& aLists) override {}
+
+ virtual bool IsFrameOfType(uint32_t aFlags) const override
+ {
+ return nsFrame::IsFrameOfType(aFlags & ~(nsIFrame::eSVG));
+ }
+
+#ifdef DEBUG_FRAME_DUMP
+ virtual nsresult GetFrameName(nsAString& aResult) const override
+ {
+ return MakeFrameName(NS_LITERAL_STRING("SVGFEUnstyledLeaf"), aResult);
+ }
+#endif
+
+ /**
+ * Get the "type" of the frame
+ *
+ * @see nsGkAtoms::svgFEUnstyledLeafFrame
+ */
+ virtual nsIAtom* GetType() const override;
+
+ virtual nsresult AttributeChanged(int32_t aNameSpaceID,
+ nsIAtom* aAttribute,
+ int32_t aModType) override;
+
+ virtual bool ComputeCustomOverflow(nsOverflowAreas& aOverflowAreas) override {
+ // We don't maintain a visual overflow rect
+ return false;
+ }
+};
+
+nsIFrame*
+NS_NewSVGFEUnstyledLeafFrame(nsIPresShell* aPresShell, nsStyleContext* aContext)
+{
+ return new (aPresShell) SVGFEUnstyledLeafFrame(aContext);
+}
+
+NS_IMPL_FRAMEARENA_HELPERS(SVGFEUnstyledLeafFrame)
+
+nsIAtom *
+SVGFEUnstyledLeafFrame::GetType() const
+{
+ return nsGkAtoms::svgFEUnstyledLeafFrame;
+}
+
+nsresult
+SVGFEUnstyledLeafFrame::AttributeChanged(int32_t aNameSpaceID,
+ nsIAtom* aAttribute,
+ int32_t aModType)
+{
+ SVGFEUnstyledElement *element = static_cast<SVGFEUnstyledElement*>(mContent);
+ if (element->AttributeAffectsRendering(aNameSpaceID, aAttribute)) {
+ MOZ_ASSERT(GetParent()->GetParent()->GetType() == nsGkAtoms::svgFilterFrame,
+ "Observers observe the filter, so that's what we must invalidate");
+ nsSVGEffects::InvalidateDirectRenderingObservers(GetParent()->GetParent());
+ }
+
+ return nsFrame::AttributeChanged(aNameSpaceID, aAttribute, aModType);
+}