dioxus_html/events/
transition.rs

1use dioxus_core::Event;
2
3pub type TransitionEvent = Event<TransitionData>;
4
5pub struct TransitionData {
6    inner: Box<dyn HasTransitionData>,
7}
8
9impl<E: HasTransitionData> From<E> for TransitionData {
10    fn from(e: E) -> Self {
11        Self { inner: Box::new(e) }
12    }
13}
14
15impl std::fmt::Debug for TransitionData {
16    fn fmt(&self, f: &mut std::fmt::Formatter<'_>) -> std::fmt::Result {
17        f.debug_struct("TransitionData")
18            .field("property_name", &self.inner.property_name())
19            .field("pseudo_element", &self.inner.pseudo_element())
20            .field("elapsed_time", &self.inner.elapsed_time())
21            .finish()
22    }
23}
24
25impl PartialEq for TransitionData {
26    fn eq(&self, other: &Self) -> bool {
27        self.inner.property_name() == other.inner.property_name()
28            && self.inner.pseudo_element() == other.inner.pseudo_element()
29            && self.inner.elapsed_time() == other.inner.elapsed_time()
30    }
31}
32
33impl TransitionData {
34    /// Create a new TransitionData
35    pub fn new(inner: impl HasTransitionData + 'static) -> Self {
36        Self {
37            inner: Box::new(inner),
38        }
39    }
40
41    /// Downcast this event to a concrete event type
42    #[inline(always)]
43    pub fn downcast<T: 'static>(&self) -> Option<&T> {
44        self.inner.as_any().downcast_ref::<T>()
45    }
46}
47
48#[cfg(feature = "serialize")]
49/// A serialized version of TransitionData
50#[derive(serde::Serialize, serde::Deserialize, Debug, PartialEq, Clone)]
51pub struct SerializedTransitionData {
52    property_name: String,
53    pseudo_element: String,
54    elapsed_time: f32,
55}
56
57#[cfg(feature = "serialize")]
58impl From<&TransitionData> for SerializedTransitionData {
59    fn from(data: &TransitionData) -> Self {
60        Self {
61            property_name: data.inner.property_name(),
62            pseudo_element: data.inner.pseudo_element(),
63            elapsed_time: data.inner.elapsed_time(),
64        }
65    }
66}
67
68#[cfg(feature = "serialize")]
69impl HasTransitionData for SerializedTransitionData {
70    fn property_name(&self) -> String {
71        self.property_name.clone()
72    }
73
74    fn pseudo_element(&self) -> String {
75        self.pseudo_element.clone()
76    }
77
78    fn elapsed_time(&self) -> f32 {
79        self.elapsed_time
80    }
81
82    fn as_any(&self) -> &dyn std::any::Any {
83        self
84    }
85}
86
87#[cfg(feature = "serialize")]
88impl serde::Serialize for TransitionData {
89    fn serialize<S: serde::Serializer>(&self, serializer: S) -> Result<S::Ok, S::Error> {
90        SerializedTransitionData::from(self).serialize(serializer)
91    }
92}
93
94#[cfg(feature = "serialize")]
95impl<'de> serde::Deserialize<'de> for TransitionData {
96    fn deserialize<D: serde::Deserializer<'de>>(deserializer: D) -> Result<Self, D::Error> {
97        let data = SerializedTransitionData::deserialize(deserializer)?;
98        Ok(Self {
99            inner: Box::new(data),
100        })
101    }
102}
103
104pub trait HasTransitionData: std::any::Any {
105    fn property_name(&self) -> String;
106    fn pseudo_element(&self) -> String;
107    fn elapsed_time(&self) -> f32;
108    /// return self as Any
109    fn as_any(&self) -> &dyn std::any::Any;
110}
111
112impl_event! {
113    TransitionData;
114
115    /// transitionend
116    ontransitionend
117}
dioxus_html/events/transition.rs

dioxus_html/events/
transition.rs
