| /* |
| * Copyright (C) 2006 Apple Inc. All rights reserved. |
| * Copyright (C) 2006, 2008 Nikolas Zimmermann <zimmermann@kde.org> |
| * |
| * 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_SVG_SVG_DOCUMENT_EXTENSIONS_H_ |
| #define THIRD_PARTY_BLINK_RENDERER_CORE_SVG_SVG_DOCUMENT_EXTENSIONS_H_ |
| |
| #include "base/macros.h" |
| #include "third_party/blink/renderer/core/core_export.h" |
| #include "third_party/blink/renderer/core/layout/svg/svg_resources_cache.h" |
| #include "third_party/blink/renderer/platform/geometry/float_point.h" |
| #include "third_party/blink/renderer/platform/heap/handle.h" |
| #include "third_party/blink/renderer/platform/wtf/forward.h" |
| #include "third_party/blink/renderer/platform/wtf/hash_set.h" |
| |
| namespace blink { |
| |
| class Document; |
| class SVGElement; |
| class SVGSVGElement; |
| class SubtreeLayoutScope; |
| |
| class SVGDocumentExtensions final |
| : public GarbageCollected<SVGDocumentExtensions> { |
| public: |
| explicit SVGDocumentExtensions(Document*); |
| ~SVGDocumentExtensions(); |
| |
| void AddTimeContainer(SVGSVGElement*); |
| void RemoveTimeContainer(SVGSVGElement*); |
| |
| // Records the SVG element as having a Web Animation on an SVG attribute that |
| // needs applying. |
| void AddWebAnimationsPendingSVGElement(SVGElement&); |
| |
| CORE_EXPORT static void ServiceOnAnimationFrame(Document&); |
| |
| void StartAnimations(); |
| void PauseAnimations(); |
| void ServiceAnimations(); |
| |
| void DispatchSVGLoadEventToOutermostSVGElements(); |
| |
| SVGResourcesCache& ResourcesCache() { return resources_cache_; } |
| |
| void AddSVGRootWithRelativeLengthDescendents(SVGSVGElement*); |
| void RemoveSVGRootWithRelativeLengthDescendents(SVGSVGElement*); |
| void InvalidateSVGRootsWithRelativeLengthDescendents(SubtreeLayoutScope*); |
| |
| bool ZoomAndPanEnabled() const; |
| |
| void StartPan(const FloatPoint& start); |
| void UpdatePan(const FloatPoint& pos) const; |
| |
| static SVGSVGElement* rootElement(const Document&); |
| SVGSVGElement* rootElement() const; |
| |
| void Trace(Visitor*); |
| |
| private: |
| Member<Document> document_; |
| HeapHashSet<Member<SVGSVGElement>> time_containers_; |
| using SVGElementSet = HeapHashSet<Member<SVGElement>>; |
| SVGElementSet web_animations_pending_svg_elements_; |
| SVGResourcesCache resources_cache_; |
| // Root SVG elements with relative length descendants. |
| HeapHashSet<Member<SVGSVGElement>> relative_length_svg_roots_; |
| FloatPoint translate_; |
| #if DCHECK_IS_ON() |
| bool in_relative_length_svg_roots_invalidation_ = false; |
| #endif |
| DISALLOW_COPY_AND_ASSIGN(SVGDocumentExtensions); |
| }; |
| |
| } // namespace blink |
| |
| #endif |