bool FontFaceSet::hasForBinding(ScriptState*, FontFace* fontFace, ExceptionState&) const
{
ASSERT(fontFace);
if (!inActiveDocumentContext())
return false;
return m_nonCSSConnectedFaces.contains(fontFace) || isCSSConnectedFontFace(fontFace);
}
bool FontFaceSet::has(FontFace* fontFace, ExceptionState& exceptionState) const
{
if (!inActiveDocumentContext())
return false;
if (!fontFace) {
exceptionState.ThrowTypeError("The argument is not a FontFace.");
return false;
}
return m_nonCSSConnectedFaces.contains(fontFace) || isCSSConnectedFontFace(fontFace);
}
PassRefPtrWillBeRawPtr<FontFaceSet> FontFaceSet::addForBinding(ScriptState*, FontFace* fontFace, ExceptionState&)
{
ASSERT(fontFace);
if (!inActiveDocumentContext())
return this;
if (m_nonCSSConnectedFaces.contains(fontFace))
return this;
if (isCSSConnectedFontFace(fontFace))
return this;
CSSFontSelector* fontSelector = document()->styleEngine().fontSelector();
m_nonCSSConnectedFaces.add(fontFace);
fontSelector->fontFaceCache()->addFontFace(fontSelector, fontFace, false);
if (fontFace->loadStatus() == FontFace::Loading)
addToLoadingFonts(fontFace);
fontSelector->fontFaceInvalidated();
return this;
}
void FontFaceSet::add(FontFace* fontFace, ExceptionState& exceptionState)
{
if (!inActiveDocumentContext())
return;
if (!fontFace) {
exceptionState.ThrowTypeError("The argument is not a FontFace.");
return;
}
if (m_nonCSSConnectedFaces.contains(fontFace))
return;
if (isCSSConnectedFontFace(fontFace)) {
exceptionState.ThrowDOMException(InvalidModificationError, "Cannot add a CSS-connected FontFace.");
return;
}
CSSFontSelector* fontSelector = document()->styleEngine()->fontSelector();
m_nonCSSConnectedFaces.add(fontFace);
fontSelector->fontFaceCache()->addFontFace(fontSelector, fontFace, false);
if (fontFace->loadStatus() == FontFace::Loading)
addToLoadingFonts(fontFace);
fontSelector->fontFaceInvalidated();
}
bool FontFaceSet::remove(FontFace* fontFace, ExceptionState& exceptionState)
{
if (!inActiveDocumentContext())
return false;
if (!fontFace) {
exceptionState.ThrowTypeError("The argument is not a FontFace.");
return false;
}
ListHashSet<RefPtr<FontFace> >::iterator it = m_nonCSSConnectedFaces.find(fontFace);
if (it != m_nonCSSConnectedFaces.end()) {
m_nonCSSConnectedFaces.remove(it);
CSSFontSelector* fontSelector = document()->styleEngine()->fontSelector();
fontSelector->fontFaceCache()->removeFontFace(fontFace, false);
if (fontFace->loadStatus() == FontFace::Loading)
removeFromLoadingFonts(fontFace);
fontSelector->fontFaceInvalidated();
return true;
}
if (isCSSConnectedFontFace(fontFace))
exceptionState.ThrowDOMException(InvalidModificationError, "Cannot delete a CSS-connected FontFace.");
return false;
}
