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| 1 /* | 1 /* |
| 2 * Copyright (C) Research In Motion Limited 2010. All rights reserved. | 2 * Copyright (C) Research In Motion Limited 2010. All rights reserved. |
| 3 * | 3 * |
| 4 * This library is free software; you can redistribute it and/or | 4 * This library is free software; you can redistribute it and/or |
| 5 * modify it under the terms of the GNU Library General Public | 5 * modify it under the terms of the GNU Library General Public |
| 6 * License as published by the Free Software Foundation; either | 6 * License as published by the Free Software Foundation; either |
| 7 * version 2 of the License, or (at your option) any later version. | 7 * version 2 of the License, or (at your option) any later version. |
| 8 * | 8 * |
| 9 * This library is distributed in the hope that it will be useful, | 9 * This library is distributed in the hope that it will be useful, |
| 10 * but WITHOUT ANY WARRANTY; without even the implied warranty of | 10 * but WITHOUT ANY WARRANTY; without even the implied warranty of |
| 11 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | 11 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
| 12 * Library General Public License for more details. | 12 * Library General Public License for more details. |
| 13 * | 13 * |
| 14 * You should have received a copy of the GNU Library General Public License | 14 * You should have received a copy of the GNU Library General Public License |
| 15 * along with this library; see the file COPYING.LIB. If not, write to | 15 * along with this library; see the file COPYING.LIB. If not, write to |
| 16 * the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, | 16 * the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, |
| 17 * Boston, MA 02110-1301, USA. | 17 * Boston, MA 02110-1301, USA. |
| 18 */ | 18 */ |
| 19 | 19 |
| 20 #ifndef SVGResourcesCycleSolver_h | 20 #ifndef SVGResourcesCycleSolver_h |
| 21 #define SVGResourcesCycleSolver_h | 21 #define SVGResourcesCycleSolver_h |
| 22 | 22 |
| 23 #include "wtf/HashSet.h" | 23 #include "wtf/HashSet.h" |
| 24 #include "wtf/Noncopyable.h" | 24 #include "wtf/Noncopyable.h" |
| 25 | 25 |
| 26 namespace blink { | 26 namespace blink { |
| 27 | 27 |
| 28 class RenderObject; | 28 class LayoutObject; |
| 29 class RenderSVGResourceContainer; | 29 class RenderSVGResourceContainer; |
| 30 class SVGResources; | 30 class SVGResources; |
| 31 | 31 |
| 32 class SVGResourcesCycleSolver { | 32 class SVGResourcesCycleSolver { |
| 33 WTF_MAKE_NONCOPYABLE(SVGResourcesCycleSolver); | 33 WTF_MAKE_NONCOPYABLE(SVGResourcesCycleSolver); |
| 34 public: | 34 public: |
| 35 SVGResourcesCycleSolver(RenderObject*, SVGResources*); | 35 SVGResourcesCycleSolver(LayoutObject*, SVGResources*); |
| 36 ~SVGResourcesCycleSolver(); | 36 ~SVGResourcesCycleSolver(); |
| 37 | 37 |
| 38 void resolveCycles(); | 38 void resolveCycles(); |
| 39 | 39 |
| 40 typedef HashSet<RenderSVGResourceContainer*> ResourceSet; | 40 typedef HashSet<RenderSVGResourceContainer*> ResourceSet; |
| 41 | 41 |
| 42 private: | 42 private: |
| 43 bool resourceContainsCycles(RenderSVGResourceContainer*); | 43 bool resourceContainsCycles(RenderSVGResourceContainer*); |
| 44 void breakCycle(RenderSVGResourceContainer*); | 44 void breakCycle(RenderSVGResourceContainer*); |
| 45 | 45 |
| 46 RenderObject* m_renderer; | 46 LayoutObject* m_renderer; |
| 47 SVGResources* m_resources; | 47 SVGResources* m_resources; |
| 48 | 48 |
| 49 ResourceSet m_activeResources; | 49 ResourceSet m_activeResources; |
| 50 ResourceSet m_dagCache; | 50 ResourceSet m_dagCache; |
| 51 }; | 51 }; |
| 52 | 52 |
| 53 } | 53 } |
| 54 | 54 |
| 55 #endif | 55 #endif |
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