AccessibilityMediaObject.cpp [plain text]
#include "config.h"
#if PLATFORM(IOS_FAMILY)
#include "AccessibilityMediaObject.h"
#include "HTMLMediaElement.h"
#include "HTMLNames.h"
#include "HTMLVideoElement.h"
#include "LocalizedStrings.h"
namespace WebCore {
using namespace HTMLNames;
AccessibilityMediaObject::AccessibilityMediaObject(RenderObject* renderer)
: AccessibilityRenderObject(renderer)
{
}
AccessibilityMediaObject::~AccessibilityMediaObject() = default;
Ref<AccessibilityMediaObject> AccessibilityMediaObject::create(RenderObject* renderer)
{
return adoptRef(*new AccessibilityMediaObject(renderer));
}
bool AccessibilityMediaObject::computeAccessibilityIsIgnored() const
{
return accessibilityIsIgnoredByDefault();
}
HTMLMediaElement* AccessibilityMediaObject::mediaElement() const
{
Node* node = this->node();
if (!is<HTMLMediaElement>(*node))
return nullptr;
return downcast<HTMLMediaElement>(node);
}
String AccessibilityMediaObject::stringValue() const
{
if (HTMLMediaElement* element = mediaElement())
return localizedMediaTimeDescription(element->currentTime());
return AccessibilityRenderObject::stringValue();
}
String AccessibilityMediaObject::interactiveVideoDuration() const
{
if (HTMLMediaElement* element = mediaElement())
return localizedMediaTimeDescription(element->duration());
return String();
}
void AccessibilityMediaObject::mediaSeek(AXSeekDirection direction)
{
HTMLMediaElement* element = mediaElement();
if (!element)
return;
const double seekStep = .05;
double current = element->currentTime();
double duration = element->duration();
double timeDelta = ceil(duration * seekStep);
double time = direction == AXSeekForward ? std::min(current + timeDelta, duration) : std::max(current - timeDelta, 0.0);
element->setCurrentTime(time);
}
void AccessibilityMediaObject::toggleMute()
{
HTMLMediaElement* element = mediaElement();
if (!element)
return;
element->setMuted(!element->muted());
}
void AccessibilityMediaObject::increment()
{
mediaSeek(AXSeekForward);
}
void AccessibilityMediaObject::decrement()
{
mediaSeek(AXSeekBackward);
}
bool AccessibilityMediaObject::press()
{
HTMLMediaElement* element = mediaElement();
if (!element)
return false;
element->togglePlayState();
return true;
}
bool AccessibilityMediaObject::hasControlsAttributeSet() const
{
HTMLMediaElement* element = mediaElement();
if (!element)
return false;
return element->controls();
}
bool AccessibilityMediaObject::isPlaying() const
{
HTMLMediaElement* element = mediaElement();
if (!element)
return false;
return element->isPlaying();
}
bool AccessibilityMediaObject::isMuted() const
{
HTMLMediaElement* element = mediaElement();
if (!element)
return false;
return element->muted();
}
bool AccessibilityMediaObject::isAutoplayEnabled() const
{
HTMLMediaElement* element = mediaElement();
if (!element)
return false;
return element->autoplay();
}
bool AccessibilityMediaObject::isPlayingInline() const
{
HTMLMediaElement* element = mediaElement();
if (!element)
return false;
return !element->mediaSession().requiresFullscreenForVideoPlayback();
}
void AccessibilityMediaObject::enterFullscreen() const
{
Node* node = this->node();
if (!is<HTMLVideoElement>(node))
return;
HTMLVideoElement* element = downcast<HTMLVideoElement>(node);
element->enterFullscreen();
}
}
#endif // PLATFORM(IOS_FAMILY)