bool WebMediaConstraintsPrivate::isEmpty() const
{
// TODO(hta): When generating advanced constraints, make sure no empty
// elements can be added to the m_advanced vector.
return m_basic.isEmpty() && m_advanced.isEmpty()
&& m_optional.isEmpty() && m_mandatory.isEmpty();
}
WebMediaConstraints create(const MediaTrackConstraintSet& constraintsIn, MediaErrorState& errorState)
{
WebMediaConstraints constraints;
WebMediaTrackConstraintSet constraintBuffer;
WebVector<WebMediaTrackConstraintSet> advancedBuffer;
copyConstraints(constraintsIn, constraintBuffer);
// TODO(hta): Add initialization of advanced constraints once present.
// https://crbug.com/253412
if (constraintsIn.hasOptional() || constraintsIn.hasMandatory()) {
if (!constraintBuffer.isEmpty()) {
errorState.throwTypeError("Malformed constraint: Cannot use both optional/mandatory and specific constraints.");
return WebMediaConstraints();
}
WebVector<WebMediaConstraint> optional;
WebVector<WebMediaConstraint> mandatory;
if (!parse(constraintsIn, optional, mandatory)) {
errorState.throwTypeError("Malformed constraints object.");
return WebMediaConstraints();
}
return createFromNamedConstraints(mandatory, optional, errorState);
}
constraints.initialize(constraintBuffer, advancedBuffer);
return constraints;
}
