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BroadcastChannel: cleanup routers when closing tabs (#38046)

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BroadcastChannel uses 2 hash maps in the constellation and they were not
kept properly in sync. Also fixed a logic error where
`Option<HashMap<...>>` was not considered empty when being `None`.

Testing: These warnings should not happen anymore:
[2025-07-14T03:54:22Z WARN constellation::constellation] No sender for
broadcast router: (4,1)

[2025-07-14T03:33:59Z WARN constellation_traits::structured_data]
Attempt to broadcast structured serialized data including ImageBitmap
(should never happen).
[2025-07-14T03:33:59Z WARN constellation_traits::structured_data]
Attempt to broadcast structured serialized data including MessagePort
(should never happen).
[2025-07-14T03:33:59Z WARN constellation_traits::structured_data]
Attempt to broadcast structured serialized data including
OffscreenCanvas (should never happen).
[2025-07-14T03:33:59Z WARN constellation_traits::structured_data]
Attempt to broadcast structured serialized data including ReadableStream
(should never happen).
[2025-07-14T03:33:59Z WARN constellation_traits::structured_data]
Attempt to broadcast structured serialized data including WritableStream
(should never happen).
[2025-07-14T03:33:59Z WARN constellation_traits::structured_data]
Attempt to broadcast structured serialized data including
TransformStream (should never happen).

Signed-off-by: webbeef <me@webbeef.org>
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webbeef 2025-07-14 08:43:45 -07:00 • committed by GitHub
parent 5bc3c3088a
commit 677184a0e6
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2 changed files with 7 additions and 1 deletions
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2
components/shared/constellation/structured_data/mod.rs
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@ -47,7 +47,7 @@ pub struct StructuredSerializedData {
impl StructuredSerializedData {
fn is_empty(&self, val: Transferrable) -> bool {
fn is_field_empty<K, V>(field: &Option<HashMap<K, V>>) -> bool {
field.as_ref().is_some_and(|h| h.is_empty())
field.as_ref().is_none_or(|h| h.is_empty())
}
match val {
Transferrable::ImageBitmap => is_field_empty(&self.transferred_image_bitmaps),