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