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| 1 /* | |
| 2 * Copyright (C) Research In Motion Limited 2010. All rights reserved. | |
| 3 * | |
| 4 * This library is free software; you can redistribute it and/or | |
| 5 * modify it under the terms of the GNU Library General Public | |
| 6 * License as published by the Free Software Foundation; either | |
| 7 * version 2 of the License, or (at your option) any later version. | |
| 8 * | |
| 9 * This library is distributed in the hope that it will be useful, | |
| 10 * but WITHOUT ANY WARRANTY; without even the implied warranty of | |
| 11 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | |
| 12 * Library General Public License for more details. | |
| 13 * | |
| 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 | |
| 16 * the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, | |
| 17 * Boston, MA 02110-1301, USA. | |
| 18 */ | |
| 19 | |
| 20 #ifndef SVGMatrixTearOff_h | |
| 21 #define SVGMatrixTearOff_h | |
| 22 | |
| 23 #include "core/svg/SVGTransform.h" | |
| 24 #include "core/svg/properties/SVGPropertyTearOff.h" | |
| 25 | |
| 26 namespace WebCore { | |
| 27 | |
| 28 class SVGMatrixTearOff FINAL : public SVGPropertyTearOff<SVGMatrix> { | |
| 29 public: | |
| 30 // Used for child types (baseVal/animVal) of a SVGAnimated* property (for ex
ample: SVGAnimatedLength::baseVal()). | |
| 31 // Also used for list tear offs (for example: text.x.baseVal.getItem(0)). | |
| 32 static PassRefPtr<SVGMatrixTearOff> create(SVGAnimatedProperty* animatedProp
erty, SVGPropertyRole role, SVGMatrix& value) | |
| 33 { | |
| 34 ASSERT(animatedProperty); | |
| 35 return adoptRef(new SVGMatrixTearOff(animatedProperty, role, value)); | |
| 36 } | |
| 37 | |
| 38 // Used for non-animated POD types (for example: SVGSVGElement::createSVGLen
gth()). | |
| 39 static PassRefPtr<SVGMatrixTearOff> create(const SVGMatrix& initialValue) | |
| 40 { | |
| 41 return adoptRef(new SVGMatrixTearOff(initialValue)); | |
| 42 } | |
| 43 | |
| 44 // Used for non-animated POD types that are not associated with a SVGAnimate
dProperty object, nor with a XML DOM attribute | |
| 45 // and that contain a parent type that's exposed to the bindings via a SVGSt
aticPropertyTearOff object | |
| 46 // (for example: SVGTransform::matrix). | |
| 47 static PassRefPtr<SVGMatrixTearOff> create(SVGPropertyTearOff<SVGTransform>*
parent, SVGMatrix& value) | |
| 48 { | |
| 49 ASSERT(parent); | |
| 50 RefPtr<SVGMatrixTearOff> result = adoptRef(new SVGMatrixTearOff(parent,
value)); | |
| 51 parent->addChild(result->m_weakFactory.createWeakPtr()); | |
| 52 return result.release(); | |
| 53 } | |
| 54 | |
| 55 virtual void commitChange() OVERRIDE | |
| 56 { | |
| 57 if (m_parent) { | |
| 58 // This is a tear-off from a SVGPropertyTearOff<SVGTransform>. | |
| 59 m_parent->propertyReference().updateSVGMatrix(); | |
| 60 m_parent->commitChange(); | |
| 61 } else { | |
| 62 // This is either a detached tear-off or a reference tear-off from a
AnimatedProperty. | |
| 63 SVGPropertyTearOff<SVGMatrix>::commitChange(); | |
| 64 } | |
| 65 } | |
| 66 | |
| 67 // SVGMatrixTearOff can be a child tear-off of a SVGTransform tear-off, | |
| 68 // which means that |m_value| may be pointing inside |m_value| of the other
tear-off. | |
| 69 // This method is called from the parent SVGTransform tear-off when |m_paren
t->m_value| is updated, | |
| 70 // so that |this->m_value| would point to valid location. | |
| 71 virtual void setValueForMatrixIfNeeded(SVGTransform* transform) OVERRIDE | |
| 72 { | |
| 73 setValue(transform->svgMatrix()); | |
| 74 } | |
| 75 | |
| 76 SVGPropertyTearOff<SVGTransform>* parent() { return m_parent; } | |
| 77 | |
| 78 private: | |
| 79 SVGMatrixTearOff(SVGAnimatedProperty* animatedProperty, SVGPropertyRole role
, SVGMatrix& value) | |
| 80 : SVGPropertyTearOff<SVGMatrix>(animatedProperty, role, value) | |
| 81 , m_parent(0) | |
| 82 , m_weakFactory(this) | |
| 83 { | |
| 84 } | |
| 85 | |
| 86 SVGMatrixTearOff(const SVGMatrix& initialValue) | |
| 87 : SVGPropertyTearOff<SVGMatrix>(initialValue) | |
| 88 , m_parent(0) | |
| 89 , m_weakFactory(this) | |
| 90 { | |
| 91 } | |
| 92 | |
| 93 SVGMatrixTearOff(SVGPropertyTearOff<SVGTransform>* parent, SVGMatrix& value) | |
| 94 : SVGPropertyTearOff<SVGMatrix>(0, UndefinedRole, value) | |
| 95 , m_parent(parent) | |
| 96 , m_weakFactory(this) | |
| 97 { | |
| 98 } | |
| 99 | |
| 100 // m_parent is kept alive from V8 wrapper. | |
| 101 SVGPropertyTearOff<SVGTransform>* m_parent; | |
| 102 | |
| 103 WeakPtrFactory<SVGPropertyTearOffBase > m_weakFactory; | |
| 104 }; | |
| 105 | |
| 106 } | |
| 107 | |
| 108 #endif // SVGMatrixTearOff_h | |
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Chromium Code Reviews
Issue 153883003:
[SVG] SVGAnimatedTransform{,List} migration to new SVG property impl. (Closed)
Base URL: svn://svn.chromium.org/blink/trunk