void TextTrackCue::setText(const String& text)
{
if (m_content == text)
return;
cueWillChange();
// Clear the document fragment but don't bother to create it again just yet as we can do that
// when it is requested.
m_documentFragment = 0;
m_content = text;
cueDidChange();
}
void VTTCue::setText(const String& text)
{
if (m_text == text)
return;
cueWillChange();
// Clear the document fragment but don't bother to create it again just yet as we can do that
// when it is requested.
m_vttNodeTree = nullptr;
m_text = text;
cueDidChange();
}
void TextTrackCue::setStartTime(double value, ExceptionState& exceptionState)
{
// NaN, Infinity and -Infinity values should trigger a TypeError.
if (isInfiniteOrNonNumber(value, exceptionState))
return;
// TODO(93143): Add spec-compliant behavior for negative time values.
if (m_startTime == value || value < 0)
return;
cueWillChange();
m_startTime = value;
cueDidChange();
}
void VTTCue::setSize(int size, ExceptionState& exceptionState)
{
// http://www.whatwg.org/specs/web-apps/current-work/multipage/the-video-element.html#dom-texttrackcue-size
// On setting, if the new value is negative or greater than 100, then throw an IndexSizeError
// exception. Otherwise, set the text track cue size to the new value.
if (isInvalidPercentage(size, exceptionState))
return;
// Otherwise, set the text track cue line position to the new value.
if (m_cueSize == size)
return;
cueWillChange();
m_cueSize = size;
cueDidChange();
}
void VTTCue::setPosition(int position, ExceptionState& exceptionState)
{
// http://www.whatwg.org/specs/web-apps/current-work/multipage/the-video-element.html#dom-texttrackcue-position
// On setting, if the new value is negative or greater than 100, then throw an IndexSizeError exception.
// Otherwise, set the text track cue text position to the new value.
if (isInvalidPercentage(position, exceptionState))
return;
// Otherwise, set the text track cue line position to the new value.
if (m_textPosition == position)
return;
cueWillChange();
m_textPosition = position;
cueDidChange();
}
void TextTrackCue::setEndTime(double value, ExceptionCode& ec)
{
// NaN, Infinity and -Infinity values should trigger a TypeError.
if (std::isinf(value) || std::isnan(value)) {
ec = TypeError;
return;
}
// TODO(93143): Add spec-compliant behavior for negative time values.
if (m_endTime == value || value < 0)
return;
cueWillChange();
m_endTime = value;
cueDidChange();
}
void VTTCue::setSize(double size, ExceptionState& exceptionState)
{
// http://dev.w3.org/html5/webvtt/#dfn-vttcue-size
// On setting, if the new value is negative or greater than 100, then throw
// an IndexSizeError exception.
if (isInvalidPercentage(size, exceptionState))
return;
// Otherwise, set the WebVTT cue size to the new value.
float floatSize = narrowPrecisionToFloat(size);
if (m_cueSize == floatSize)
return;
cueWillChange();
m_cueSize = floatSize;
cueDidChange();
}
void TextTrackCue::setSize(int size, ExceptionCode& ec)
{
// http://www.whatwg.org/specs/web-apps/current-work/multipage/the-video-element.html#dom-texttrackcue-size
// On setting, if the new value is negative or greater than 100, then throw an IndexSizeError
// exception. Otherwise, set the text track cue size to the new value.
if (size < 0 || size > 100) {
ec = INDEX_SIZE_ERR;
return;
}
// Otherwise, set the text track cue line position to the new value.
if (m_cueSize == size)
return;
cueWillChange();
m_cueSize = size;
cueDidChange();
}
void TextTrackCue::setPosition(int position, ExceptionCode& ec)
{
// http://www.whatwg.org/specs/web-apps/current-work/multipage/the-video-element.html#dom-texttrackcue-position
// On setting, if the new value is negative or greater than 100, then throw an IndexSizeError exception.
// Otherwise, set the text track cue text position to the new value.
if (position < 0 || position > 100) {
ec = INDEX_SIZE_ERR;
return;
}
// Otherwise, set the text track cue line position to the new value.
if (m_textPosition == position)
return;
cueWillChange();
m_textPosition = position;
cueDidChange();
}
void VTTCue::setLine(int position, ExceptionState& exceptionState)
{
// http://www.whatwg.org/specs/web-apps/current-work/multipage/the-video-element.html#dom-texttrackcue-line
// On setting, if the text track cue snap-to-lines flag is not set, and the new
// value is negative or greater than 100, then throw an IndexSizeError exception.
if (!m_snapToLines && (position < 0 || position > 100)) {
exceptionState.throwDOMException(IndexSizeError, "The snap-to-lines flag is not set, and the value provided (" + String::number(position) + ") is not between 0 and 100.");
return;
}
// Otherwise, set the text track cue line position to the new value.
if (m_linePosition == position)
return;
cueWillChange();
m_linePosition = position;
m_computedLinePosition = calculateComputedLinePosition();
cueDidChange();
}
void VTTCue::setVertical(const String& value)
{
WritingDirection direction = m_writingDirection;
if (value == horizontalKeyword())
direction = Horizontal;
else if (value == verticalGrowingLeftKeyword())
direction = VerticalGrowingLeft;
else if (value == verticalGrowingRightKeyword())
direction = VerticalGrowingRight;
else
ASSERT_NOT_REACHED();
if (direction == m_writingDirection)
return;
cueWillChange();
m_writingDirection = direction;
cueDidChange();
}
void TextTrackCue::setLine(int position, ExceptionCode& ec)
{
// http://www.whatwg.org/specs/web-apps/current-work/multipage/the-video-element.html#dom-texttrackcue-line
// On setting, if the text track cue snap-to-lines flag is not set, and the new
// value is negative or greater than 100, then throw an IndexSizeError exception.
if (!m_snapToLines && (position < 0 || position > 100)) {
ec = INDEX_SIZE_ERR;
return;
}
// Otherwise, set the text track cue line position to the new value.
if (m_linePosition == position)
return;
cueWillChange();
m_linePosition = position;
m_computedLinePosition = calculateComputedLinePosition();
cueDidChange();
}
void VTTCue::setLine(const DoubleOrAutoKeyword& position)
{
// http://dev.w3.org/html5/webvtt/#dfn-vttcue-line
// On setting, the WebVTT cue line must be set to the new value; if the new
// value is the string "auto", then it must be interpreted as the special
// value auto. ("auto" is translated to NaN.)
float floatPosition;
if (position.isAutoKeyword()) {
if (lineIsAuto())
return;
floatPosition = std::numeric_limits<float>::quiet_NaN();
} else {
ASSERT(position.isDouble());
floatPosition = narrowPrecisionToFloat(position.getAsDouble());
if (m_linePosition == floatPosition)
return;
}
cueWillChange();
m_linePosition = floatPosition;
cueDidChange();
}
void VTTCue::setAlign(const String& value)
{
CueAlignment alignment = m_cueAlignment;
if (value == startKeyword())
alignment = Start;
else if (value == middleKeyword())
alignment = Middle;
else if (value == endKeyword())
alignment = End;
else if (value == leftKeyword())
alignment = Left;
else if (value == rightKeyword())
alignment = Right;
else
ASSERT_NOT_REACHED();
if (alignment == m_cueAlignment)
return;
cueWillChange();
m_cueAlignment = alignment;
cueDidChange();
}