1 /* 2 * Copyright (C) 2010 Nokia Corporation and/or its subsidiary(-ies). 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 21 #ifndef HTMLProgressElement_h 22 #define HTMLProgressElement_h 23 24 #include "core/html/LabelableElement.h" 25 26 namespace WebCore { 27 28 class ExceptionState; 29 class ProgressValueElement; 30 class RenderProgress; 31 32 class HTMLProgressElement FINAL : public LabelableElement { 33 public: 34 static const double IndeterminatePosition; 35 static const double InvalidPosition; 36 37 static PassRefPtr<HTMLProgressElement> create(const QualifiedName&, Document*); 38 39 double value() const; 40 void setValue(double, ExceptionState&); 41 42 double max() const; 43 void setMax(double, ExceptionState&); 44 45 double position() const; 46 47 virtual bool canContainRangeEndPoint() const { return false; } 48 49 private: 50 HTMLProgressElement(const QualifiedName&, Document*); 51 virtual ~HTMLProgressElement(); 52 53 virtual bool areAuthorShadowsAllowed() const OVERRIDE { return false; } 54 virtual bool shouldAppearIndeterminate() const OVERRIDE; 55 virtual bool supportLabels() const OVERRIDE { return true; } 56 57 virtual RenderObject* createRenderer(RenderStyle*); 58 RenderProgress* renderProgress() const; 59 60 virtual void parseAttribute(const QualifiedName&, const AtomicString&) OVERRIDE; 61 62 virtual void attach(const AttachContext& = AttachContext()) OVERRIDE; 63 64 void didElementStateChange(); 65 virtual void didAddUserAgentShadowRoot(ShadowRoot*) OVERRIDE; 66 bool isDeterminate() const; 67 68 ProgressValueElement* m_value; 69 }; 70 71 inline bool isHTMLProgressElement(Node* node) 72 { 73 ASSERT(node); 74 return node->hasTagName(HTMLNames::progressTag); 75 } 76 77 inline HTMLProgressElement* toHTMLProgressElement(Node* node) 78 { 79 ASSERT_WITH_SECURITY_IMPLICATION(!node || isHTMLProgressElement(node)); 80 return static_cast<HTMLProgressElement*>(node); 81 } 82 83 } // namespace 84 85 #endif 86
