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 #include "config.h" 22 #include "core/accessibility/AXProgressIndicator.h" 23 24 #include "core/html/HTMLProgressElement.h" 25 #include "core/rendering/RenderProgress.h" 26 #include "platform/FloatConversion.h" 27 28 namespace blink { 29 30 using namespace HTMLNames; 31 32 AXProgressIndicator::AXProgressIndicator(RenderProgress* renderer) 33 : AXRenderObject(renderer) 34 { 35 } 36 37 PassRefPtr<AXProgressIndicator> AXProgressIndicator::create(RenderProgress* renderer) 38 { 39 return adoptRef(new AXProgressIndicator(renderer)); 40 } 41 42 bool AXProgressIndicator::computeAccessibilityIsIgnored() const 43 { 44 return accessibilityIsIgnoredByDefault(); 45 } 46 47 float AXProgressIndicator::valueForRange() const 48 { 49 if (hasAttribute(aria_valuenowAttr)) 50 return getAttribute(aria_valuenowAttr).toFloat(); 51 52 if (element()->position() >= 0) 53 return narrowPrecisionToFloat(element()->value()); 54 // Indeterminate progress bar should return 0. 55 return 0.0f; 56 } 57 58 float AXProgressIndicator::maxValueForRange() const 59 { 60 if (hasAttribute(aria_valuemaxAttr)) 61 return getAttribute(aria_valuemaxAttr).toFloat(); 62 63 return narrowPrecisionToFloat(element()->max()); 64 } 65 66 float AXProgressIndicator::minValueForRange() const 67 { 68 if (hasAttribute(aria_valueminAttr)) 69 return getAttribute(aria_valueminAttr).toFloat(); 70 71 return 0.0f; 72 } 73 74 HTMLProgressElement* AXProgressIndicator::element() const 75 { 76 return toRenderProgress(m_renderer)->progressElement(); 77 } 78 79 80 } // namespace blink 81
