// Sets a list of properties as dirty.
void ElementStyle::DirtyProperties(const PropertyNameList& properties)
{
if (properties.empty())
return;
PropertyNameList inherited_properties;
for (PropertyNameList::const_iterator i = properties.begin(); i != properties.end(); ++i)
{
// If this property is an inherited property, then push it into the list to be passed onto our children.
const PropertyDefinition* property = StyleSheetSpecification::GetProperty(*i);
if (property != NULL &&
property->IsInherited())
inherited_properties.insert(*i);
}
// Pass the list of those properties that are inherited onto our children.
if (!inherited_properties.empty())
{
for (int i = 0; i < element->GetNumChildren(true); i++)
element->GetChild(i)->GetStyle()->DirtyInheritedProperties(inherited_properties);
}
// And send the event.
element->OnPropertyChange(properties);
}
// Dirties em-relative properties.
void ElementStyle::DirtyEmProperties()
{
PropertyNameList properties;
StyleSheetSpecification::GetRegisteredProperties(properties);
// Check if any of these are currently em-relative. If so, dirty them.
PropertyNameList em_properties;
for (PropertyNameList::iterator list_iterator = properties.begin(); list_iterator != properties.end(); ++list_iterator)
{
// Skip font-size; this is relative to our parent's em, not ours.
if (*list_iterator == FONT_SIZE)
continue;
// Get this element from this element. If this is em-relative, then add it to the list to
// dirty.
if (element->GetProperty(*list_iterator)->unit == Property::EM)
em_properties.insert(*list_iterator);
}
if (!em_properties.empty())
DirtyProperties(em_properties);
// Now dirty all of our descendant's font-size properties that are relative to ems.
int num_children = element->GetNumChildren(true);
for (int i = 0; i < num_children; ++i)
element->GetChild(i)->GetStyle()->DirtyInheritedEmProperties();
}
// Sets a list of properties as dirty.
void ElementStyle::DirtyProperties(const PropertyNameList& properties, bool clear_em_properties)
{
if (properties.empty())
return;
bool all_inherited_dirty =
StyleSheetSpecification::GetRegisteredProperties() == properties ||
StyleSheetSpecification::GetRegisteredInheritedProperties() == properties;
if (all_inherited_dirty)
{
const PropertyNameList &all_inherited_properties = StyleSheetSpecification::GetRegisteredInheritedProperties();
for (int i = 0; i < element->GetNumChildren(true); i++)
element->GetChild(i)->GetStyle()->DirtyInheritedProperties(all_inherited_properties);
// Clear all cached properties.
cache->Clear();
}
else
{
PropertyNameList inherited_properties;
for (PropertyNameList::const_iterator i = properties.begin(); i != properties.end(); ++i)
{
// If this property is an inherited property, then push it into the list to be passed onto our children.
const PropertyDefinition* property = StyleSheetSpecification::GetProperty(*i);
if (property != NULL &&
property->IsInherited())
inherited_properties.insert(*i);
}
// Pass the list of those properties that are inherited onto our children.
if (!inherited_properties.empty())
{
for (int i = 0; i < element->GetNumChildren(true); i++)
element->GetChild(i)->GetStyle()->DirtyInheritedProperties(inherited_properties);
}
// Clear cached properties.
cache->Clear();
}
// clear the list of EM-properties, we will refill it in DirtyEmProperties
if (clear_em_properties && em_properties != NULL)
{
delete em_properties;
em_properties = NULL;
}
// And send the event.
element->OnPropertyChange(properties);
}
// Sets a list of our potentially inherited properties as dirtied by an ancestor.
void ElementStyle::DirtyInheritedProperties(const PropertyNameList& properties)
{
PropertyNameList inherited_properties;
for (PropertyNameList::const_iterator i = properties.begin(); i != properties.end(); ++i)
{
if (GetLocalProperty((*i)) == NULL)
inherited_properties.insert(*i);
}
if (inherited_properties.empty())
return;
// Pass the list of those properties that this element doesn't override onto our children.
for (int i = 0; i < element->GetNumChildren(true); i++)
element->GetChild(i)->GetStyle()->DirtyInheritedProperties(inherited_properties);
element->OnPropertyChange(properties);
}
// Sets a list of our potentially inherited properties as dirtied by an ancestor.
void ElementStyle::DirtyInheritedProperties(const PropertyNameList& properties)
{
bool clear_em_properties = em_properties != NULL;
PropertyNameList inherited_properties;
for (PropertyNameList::const_iterator i = properties.begin(); i != properties.end(); ++i)
{
const Property *property = GetLocalProperty((*i));
if (property == NULL)
{
inherited_properties.insert(*i);
if (!clear_em_properties && em_properties != NULL && em_properties->find((*i)) != em_properties->end()) {
clear_em_properties = true;
}
}
}
if (inherited_properties.empty())
return;
// clear the list of EM-properties, we will refill it in DirtyEmProperties
if (clear_em_properties && em_properties != NULL)
{
delete em_properties;
em_properties = NULL;
}
// Clear cached inherited properties.
cache->ClearInherited();
// Pass the list of those properties that this element doesn't override onto our children.
for (int i = 0; i < element->GetNumChildren(true); i++)
element->GetChild(i)->GetStyle()->DirtyInheritedProperties(inherited_properties);
element->OnPropertyChange(properties);
}