VTTCue::~VTTCue()
{
if (!hasDisplayTree())
return;
displayTreeInternal()->remove(ASSERT_NO_EXCEPTION);
}
void TextTrackCue::setIsActive(bool active)
{
m_isActive = active;
if (!active) {
// Remove the display tree as soon as the cue becomes inactive.
displayTreeInternal()->remove(ASSERT_NO_EXCEPTION);
}
}
void TextTrackCue::setFontSize(int fontSize, const IntSize&, bool important)
{
if (!hasDisplayTree() || !fontSize)
return;
LOG(Media, "TextTrackCue::setFontSize - setting cue font size to %i", fontSize);
displayTreeInternal()->setInlineStyleProperty(CSSPropertyFontSize, fontSize, CSSPrimitiveValue::CSS_PX, important);
}
void VTTCue::removeDisplayTree()
{
if (m_notifyRegion && track()->regions()) {
// The region needs to be informed about the cue removal.
VTTRegion* region = track()->regions()->getRegionById(m_regionId);
if (region)
region->willRemoveVTTCueBox(m_displayTree.get());
}
displayTreeInternal()->remove(ASSERT_NO_EXCEPTION);
}
void VTTCue::setIsActive(bool active)
{
TextTrackCue::setIsActive(active);
if (!active) {
if (!hasDisplayTree())
return;
// Remove the display tree as soon as the cue becomes inactive.
displayTreeInternal()->remove(ASSERT_NO_EXCEPTION);
}
}
void VTTCue::removeDisplayTree()
{
// The region needs to be informed about the cue removal.
if (m_notifyRegion && track()) {
if (VTTRegionList* regions = track()->regions()) {
if (VTTRegion* region = regions->getRegionById(m_regionId))
region->willRemoveTextTrackCueBox(m_displayTree.get());
}
}
if (!hasDisplayTree())
return;
displayTreeInternal()->remove(ASSERT_NO_EXCEPTION);
}
void TextTrackCueGeneric::setFontSize(int fontSize, const IntSize& videoSize, bool important)
{
if (!hasDisplayTree() || !fontSize)
return;
if (important || !baseFontSizeRelativeToVideoHeight()) {
VTTCue::setFontSize(fontSize, videoSize, important);
return;
}
double size = videoSize.height() * baseFontSizeRelativeToVideoHeight() / 100;
if (fontSizeMultiplier())
size *= fontSizeMultiplier() / 100;
displayTreeInternal()->setInlineStyleProperty(CSSPropertyFontSize, lround(size), CSSPrimitiveValue::CSS_PX);
LOG(Media, "TextTrackCueGeneric::setFontSize - setting cue font size to %li", lround(size));
}
PassRefPtr<TextTrackCueBox> TextTrackCue::getDisplayTree(const IntSize& videoSize)
{
RefPtr<TextTrackCueBox> displayTree = displayTreeInternal();
if (!m_displayTreeShouldChange || !track()->isRendered())
return displayTree;
// 10.1 - 10.10
calculateDisplayParameters();
// 10.11. Apply the terms of the CSS specifications to nodes within the
// following constraints, thus obtaining a set of CSS boxes positioned
// relative to an initial containing block:
displayTree->removeChildren();
// The document tree is the tree of WebVTT Node Objects rooted at nodes.
// The children of the nodes must be wrapped in an anonymous box whose
// 'display' property has the value 'inline'. This is the WebVTT cue
// background box.
// Note: This is contained by default in m_cueBackgroundBox.
m_cueBackgroundBox->setPseudo(cueShadowPseudoId());
displayTree->appendChild(m_cueBackgroundBox, ASSERT_NO_EXCEPTION, AttachLazily);
// FIXME(BUG 79916): Runs of children of WebVTT Ruby Objects that are not
// WebVTT Ruby Text Objects must be wrapped in anonymous boxes whose
// 'display' property has the value 'ruby-base'.
// FIXME(BUG 79916): Text runs must be wrapped according to the CSS
// line-wrapping rules, except that additionally, regardless of the value of
// the 'white-space' property, lines must be wrapped at the edge of their
// containing blocks, even if doing so requires splitting a word where there
// is no line breaking opportunity. (Thus, normally text wraps as needed,
// but if there is a particularly long word, it does not overflow as it
// normally would in CSS, it is instead forcibly wrapped at the box's edge.)
displayTree->applyCSSProperties(videoSize);
m_displayTreeShouldChange = false;
// 10.15. Let cue's text track cue display state have the CSS boxes in
// boxes.
return displayTree;
}
VTTCueBox* VTTCue::getDisplayTree(const IntSize& videoSize, int fontSize)
{
RefPtr<VTTCueBox> displayTree = displayTreeInternal();
if (!m_displayTreeShouldChange || !track()->isRendered())
return displayTree.get();
// 10.1 - 10.10
calculateDisplayParameters();
// 10.11. Apply the terms of the CSS specifications to nodes within the
// following constraints, thus obtaining a set of CSS boxes positioned
// relative to an initial containing block:
displayTree->removeChildren();
// The document tree is the tree of WebVTT Node Objects rooted at nodes.
// The children of the nodes must be wrapped in an anonymous box whose
// 'display' property has the value 'inline'. This is the WebVTT cue
// background box.
// Note: This is contained by default in m_cueHighlightBox.
m_cueHighlightBox->setPseudo(cueShadowPseudoId());
m_cueBackdropBox->setPseudo(cueBackdropShadowPseudoId());
m_cueBackdropBox->appendChild(m_cueHighlightBox, ASSERT_NO_EXCEPTION);
displayTree->appendChild(m_cueBackdropBox, ASSERT_NO_EXCEPTION);
// FIXME(BUG 79916): Runs of children of WebVTT Ruby Objects that are not
// WebVTT Ruby Text Objects must be wrapped in anonymous boxes whose
// 'display' property has the value 'ruby-base'.
displayTree->setFontSizeFromCaptionUserPrefs(fontSize);
displayTree->applyCSSProperties(videoSize);
m_displayTreeShouldChange = false;
// 10.15. Let cue's text track cue display state have the CSS boxes in
// boxes.
return displayTree.get();
}
void TextTrackCue::removeDisplayTree()
{
displayTreeInternal()->remove(ASSERT_NO_EXCEPTION);
}
VTTCue::~VTTCue()
{
displayTreeInternal()->remove(ASSERT_NO_EXCEPTION);
}
