AccessibilityProgressIndicator.cpp [plain text]
#include "config.h"
#include "AccessibilityProgressIndicator.h"
#if ENABLE(PROGRESS_ELEMENT) || ENABLE(METER_ELEMENT)
#include "FloatConversion.h"
#include "HTMLMeterElement.h"
#include "HTMLNames.h"
#include "HTMLProgressElement.h"
#include "RenderMeter.h"
#include "RenderObject.h"
#include "RenderProgress.h"
namespace WebCore {
using namespace HTMLNames;
#if ENABLE(PROGRESS_ELEMENT)
AccessibilityProgressIndicator::AccessibilityProgressIndicator(RenderProgress* renderer)
: AccessibilityRenderObject(renderer)
{
}
PassRefPtr<AccessibilityProgressIndicator> AccessibilityProgressIndicator::create(RenderProgress* renderer)
{
return adoptRef(new AccessibilityProgressIndicator(renderer));
}
#endif
#if ENABLE(METER_ELEMENT)
AccessibilityProgressIndicator::AccessibilityProgressIndicator(RenderMeter* renderer)
: AccessibilityRenderObject(renderer)
{
}
PassRefPtr<AccessibilityProgressIndicator> AccessibilityProgressIndicator::create(RenderMeter* renderer)
{
return adoptRef(new AccessibilityProgressIndicator(renderer));
}
#endif
bool AccessibilityProgressIndicator::computeAccessibilityIsIgnored() const
{
return accessibilityIsIgnoredByDefault();
}
float AccessibilityProgressIndicator::valueForRange() const
{
if (!m_renderer)
return 0.0;
#if ENABLE(PROGRESS_ELEMENT)
if (m_renderer->isProgress()) {
HTMLProgressElement* progress = progressElement();
if (progress && progress->position() >= 0)
return narrowPrecisionToFloat(progress->value());
}
#endif
#if ENABLE(METER_ELEMENT)
if (m_renderer->isMeter()) {
if (HTMLMeterElement* meter = meterElement())
return narrowPrecisionToFloat(meter->value());
}
#endif
return 0.0;
}
float AccessibilityProgressIndicator::maxValueForRange() const
{
if (!m_renderer)
return 0.0;
#if ENABLE(PROGRESS_ELEMENT)
if (m_renderer->isProgress()) {
if (HTMLProgressElement* progress = progressElement())
return narrowPrecisionToFloat(progress->max());
}
#endif
#if ENABLE(METER_ELEMENT)
if (m_renderer->isMeter()) {
if (HTMLMeterElement* meter = meterElement())
return narrowPrecisionToFloat(meter->max());
}
#endif
return 0.0;
}
float AccessibilityProgressIndicator::minValueForRange() const
{
if (!m_renderer)
return 0.0;
#if ENABLE(PROGRESS_ELEMENT)
if (m_renderer->isProgress())
return 0.0;
#endif
#if ENABLE(METER_ELEMENT)
if (m_renderer->isMeter()) {
if (HTMLMeterElement* meter = meterElement())
return narrowPrecisionToFloat(meter->min());
}
#endif
return 0.0;
}
#if ENABLE(PROGRESS_ELEMENT)
HTMLProgressElement* AccessibilityProgressIndicator::progressElement() const
{
if (!m_renderer->isProgress())
return 0;
return toRenderProgress(m_renderer)->progressElement();
}
#endif
#if ENABLE(METER_ELEMENT)
HTMLMeterElement* AccessibilityProgressIndicator::meterElement() const
{
if (!m_renderer->isMeter())
return 0;
return toRenderMeter(m_renderer)->meterElement();
}
#endif
}
#endif // ENABLE(PROGRESS_ELEMENT) || ENABLE(METER_ELEMENT)