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89 lines
3 KiB
Rust
89 lines
3 KiB
Rust
/* LICENSE BEGIN
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This file is part of the SixtyFPS Project -- https://sixtyfps.io
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Copyright (c) 2020 Olivier Goffart <olivier.goffart@sixtyfps.io>
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Copyright (c) 2020 Simon Hausmann <simon.hausmann@sixtyfps.io>
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SPDX-License-Identifier: GPL-3.0-only
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This file is also available under commercial licensing terms.
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Please contact info@sixtyfps.io for more information.
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LICENSE END */
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//! After inlining and moving declarations, all Element::base_type should be Type::BuiltinElement. This pass resolves them
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//! to NativeClass and picking a variant that only contains the used properties.
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use crate::langtype::Type;
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use crate::object_tree::{recurse_elem_including_sub_components, Component};
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pub fn resolve_native_classes(component: &Component) {
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recurse_elem_including_sub_components(&component, &(), &mut |elem, _| {
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let new_native_class = {
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let elem = elem.borrow();
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let base_type = match &elem.base_type {
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Type::Component(_) => {
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// recurse_elem_including_sub_components will recurse into it
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return;
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}
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Type::Builtin(b) => b,
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Type::Native(_) => {
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// already native
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return;
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}
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_ => panic!("This should not happen"),
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};
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let native_properties_used = elem.bindings.keys().filter(|k| {
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if elem.property_declarations.contains_key(*k) {
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return false;
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}
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base_type.as_ref().properties.get(*k).is_some()
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});
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let current_native_class = elem.base_type.as_builtin().native_class.clone();
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current_native_class
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.select_minimal_class_based_on_property_usage(native_properties_used)
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};
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elem.borrow_mut().base_type = Type::Native(new_native_class);
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})
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}
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#[test]
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fn select_minimal_class() {
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let tr = crate::typeregister::TypeRegister::builtin();
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let tr = tr.borrow();
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let rect = tr.lookup("Rectangle");
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let rect = rect.as_builtin();
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assert_eq!(
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rect.native_class
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.clone()
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.select_minimal_class_based_on_property_usage(
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["x".to_owned(), "width".to_owned()].iter()
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)
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.class_name,
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"Rectangle",
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);
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assert_eq!(
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rect.native_class
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.clone()
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.select_minimal_class_based_on_property_usage([].iter())
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.class_name,
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"Rectangle",
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);
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assert_eq!(
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rect.native_class
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.clone()
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.select_minimal_class_based_on_property_usage(["border_width".to_owned()].iter())
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.class_name,
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"BorderRectangle",
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);
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assert_eq!(
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rect.native_class
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.clone()
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.select_minimal_class_based_on_property_usage(
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["border_width".to_owned(), "x".to_owned()].iter()
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)
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.class_name,
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"BorderRectangle",
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);
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}
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