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Move ScriptToConstellationMsg to constellation_traits (#36364)

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This is the last big change necessary to create the
`constellation_traits` crate. This moves the data structure for messages
that originate from the `ScriptThread` and are sent to the
`Contellation` to `constellation_traits`, effectively splitting
`script_traits` in half. Before, `script_traits` was responsible for
exposing the API of both the `ScriptThread` and the `Constellation` to
the rest of Servo.

- Data structures that are used by `ScriptToConstellationMsg` are moved
  to `constellation_traits`. The dependency graph looks a bit like this:
  `script_layout_interface` depends on `script_traits` depends on
  `constellation_traits` depends on `embedder_traits`.
- Data structures that are used in the embedding layer
  (`UntrustedNodeAddress`, `CompositorHitTestResult`, `TouchEventResult`
  and `AnimationState`) are moved to embedder_traits, to avoid a
  dependency cycle between `webrender_traits` and
  `constellation_traits`.
- Types dealing with MessagePorts and serialization are moved to
  `constellation_traits::message_port`.

Testing: This is covered by existing tests as it just moves types
around.
Signed-off-by: Martin Robinson <mrobinson@igalia.com>

Signed-off-by: Martin Robinson <mrobinson@igalia.com>
This commit is contained in:
Martin Robinson 2025-04-06 00:13:29 +02:00 • committed by GitHub
parent a67409fb25
commit 6031a12fd1
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77 changed files with 1224 additions and 1222 deletions
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12
components/shared/script/Cargo.toml
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@ -13,26 +13,21 @@ path = "lib.rs"
[features]
bluetooth = ["bluetooth_traits"]
webgpu = ["wgpu-core"]
webgpu = ["webgpu_traits"]
[dependencies]
background_hang_monitor_api = { workspace = true }
base = { workspace = true }
bitflags = { workspace = true }
bluetooth_traits = { workspace = true, optional = true }
canvas_traits = { workspace = true }
constellation_traits = { workspace = true }
cookie = { workspace = true }
crossbeam-channel = { workspace = true }
devtools_traits = { workspace = true }
embedder_traits = { workspace = true }
euclid = { workspace = true }
http = { workspace = true }
hyper_serde = { workspace = true }
ipc-channel = { workspace = true }
keyboard-types = { workspace = true }
libc = { workspace = true }
log = { workspace = true }
malloc_size_of = { workspace = true }
malloc_size_of_derive = { workspace = true }
media = { path = "../../media" }
@ -45,10 +40,7 @@ strum = { workspace = true, features = ["derive"] }
strum_macros = { workspace = true }
stylo_atoms = { workspace = true }
stylo_traits = { workspace = true }
uuid = { workspace = true }
webdriver = { workspace = true }
webgpu_traits = { workspace = true }
webgpu_traits = { workspace = true, optional = true }
webrender_api = { workspace = true }
webrender_traits = { workspace = true }
webxr-api = { workspace = true, features = ["ipc"] }
wgpu-core = { workspace = true, optional = true }