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/*
* Copyright (C) Research In Motion Limited 2010. All rights reserved.
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Library General Public
* License as published by the Free Software Foundation; either
* version 2 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Library General Public License for more details.
*
* You should have received a copy of the GNU Library General Public License
* along with this library; see the file COPYING.LIB. If not, write to
* the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
* Boston, MA 02110-1301, USA.
*/
#ifndef THIRD_PARTY_BLINK_RENDERER_CORE_LAYOUT_SVG_SVG_RESOURCES_H_
#define THIRD_PARTY_BLINK_RENDERER_CORE_LAYOUT_SVG_SVG_RESOURCES_H_
#include "third_party/blink/renderer/core/svg/svg_resource_client.h"
#include "third_party/blink/renderer/platform/geometry/float_rect.h"
#include "third_party/blink/renderer/platform/heap/heap.h"
#include "third_party/blink/renderer/platform/heap/member.h"
#include "third_party/blink/renderer/platform/wtf/allocator/allocator.h"
namespace blink {
class CompositorFilterOperations;
class ComputedStyle;
class FilterEffectBuilder;
class LayoutObject;
class ReferenceFilterOperation;
class SVGElement;
class SVGElementResourceClient;
// Holds a set of resources associated with a LayoutObject
class SVGResources {
STATIC_ONLY(SVGResources);
public:
static SVGElementResourceClient* GetClient(const LayoutObject&);
static FloatRect ReferenceBoxForEffects(const LayoutObject&);
static void UpdateClipPathFilterMask(SVGElement&,
const ComputedStyle* old_style,
const ComputedStyle&);
static void ClearClipPathFilterMask(SVGElement&, const ComputedStyle*);
static void UpdatePaints(SVGElement&,
const ComputedStyle* old_style,
const ComputedStyle&);
static void ClearPaints(SVGElement&, const ComputedStyle*);
static void UpdateMarkers(SVGElement&,
const ComputedStyle* old_style,
const ComputedStyle&);
static void ClearMarkers(SVGElement&, const ComputedStyle*);
};
class SVGElementResourceClient final
: public GarbageCollected<SVGElementResourceClient>,
public SVGResourceClient {
public:
explicit SVGElementResourceClient(SVGElement*);
void ResourceContentChanged(SVGResource*) override;
void FilterPrimitiveChanged(SVGResource*,
SVGFilterPrimitiveStandardAttributes& primitive,
const QualifiedName& attribute) override;
void UpdateFilterData(CompositorFilterOperations&);
void InvalidateFilterData();
void MarkFilterDataDirty();
void Trace(Visitor*) const override;
private:
class FilterData;
static FilterData* CreateFilterDataWithNodeMap(
FilterEffectBuilder&,
const ReferenceFilterOperation&);
Member<SVGElement> element_;
Member<FilterData> filter_data_;
bool filter_data_dirty_;
};
// Helper class for handling invalidation of resources (generally after the
// reference box of a LayoutObject may have changed).
class SVGResourceInvalidator {
STACK_ALLOCATED();
public:
explicit SVGResourceInvalidator(LayoutObject& object);
// Invalidate any associated clip-path/mask/filter.
void InvalidateEffects();
// Invalidate any associated paints (fill/stroke).
void InvalidatePaints();
private:
LayoutObject& object_;
};
} // namespace blink
#endif
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