rive_rs/
draw_rules.rs

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1// Copyright 2021 The Fuchsia Authors. All rights reserved.
2// Use of this source code is governed by a BSD-style license that can be
3// found in the LICENSE file.
4
5use crate::component::Component;
6use crate::component_dirt::ComponentDirt;
7use crate::container_component::ContainerComponent;
8use crate::core::{Core, CoreContext, Object, ObjectRef, OnAdded, Property};
9use crate::draw_target::DrawTarget;
10use crate::option_cell::OptionCell;
11use crate::status_code::StatusCode;
12
13#[derive(Debug, Default)]
14pub struct DrawRules {
15    container_component: ContainerComponent,
16    draw_target_id: Property<u64>,
17    active_target: OptionCell<Object<DrawTarget>>,
18}
19
20impl ObjectRef<'_, DrawRules> {
21    pub fn draw_target_id(&self) -> u64 {
22        self.draw_target_id.get()
23    }
24
25    pub fn set_draw_target_id(&self, draw_target_id: u64) {
26        if self.draw_target_id() == draw_target_id {
27            return;
28        }
29
30        self.draw_target_id.set(draw_target_id);
31
32        if let Some(artboard) = self.cast::<Component>().artboard() {
33            let draw_target = artboard
34                .as_ref()
35                .resolve(self.draw_target_id() as usize)
36                .and_then(|core| core.try_cast());
37
38            self.active_target.set(draw_target);
39
40            artboard.cast::<Component>().as_ref().add_dirt(ComponentDirt::DRAW_ORDER, false);
41        }
42    }
43}
44
45impl ObjectRef<'_, DrawRules> {
46    pub fn active_target(&self) -> Option<Object<DrawTarget>> {
47        self.active_target.get()
48    }
49}
50
51impl Core for DrawRules {
52    parent_types![(container_component, ContainerComponent)];
53
54    properties![(121, draw_target_id, set_draw_target_id), container_component];
55}
56
57impl OnAdded for ObjectRef<'_, DrawRules> {
58    on_added!([on_added_clean, import], ContainerComponent);
59
60    fn on_added_dirty(&self, context: &dyn CoreContext) -> StatusCode {
61        let code = self.cast::<Component>().on_added_dirty(context);
62        if code != StatusCode::Ok {
63            return code;
64        }
65
66        let draw_target =
67            context.resolve(self.draw_target_id() as usize).and_then(|core| core.try_cast());
68
69        self.active_target.set(draw_target);
70
71        StatusCode::Ok
72    }
73}
rive_rs/draw_rules.rs

rive_rs/
draw_rules.rs
