mirror of
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synced 2025-08-03 04:30:10 +01:00
Reduce indexing boilerplate for serializable/transferrable objects. (#36624)
Rather than creating unique types for each pipeline-namespaced index type (eg. MessagePortId, DomExceptionId, etc.), we can create a generic common type that uses a marker to prevent type confusion. This change allows us to reduce the boilerplate code required when implementing serializable/transferable interfaces, since the structured clone implementation can rely on the common type. Testing: Existing WPT tests for serialization and transferring provide coverage. --------- Signed-off-by: Josh Matthews <josh@joshmatthews.net>
This commit is contained in:
parent
0b8645d422
commit
7b16ae26b4
13 changed files with 170 additions and 337 deletions
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@ -111,11 +111,7 @@ impl<WebView> WebViewManager<WebView> {
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#[cfg(test)]
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mod test {
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use std::num::NonZeroU32;
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use base::id::{
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BrowsingContextId, BrowsingContextIndex, PipelineNamespace, PipelineNamespaceId, WebViewId,
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};
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use base::id::{BrowsingContextId, Index, PipelineNamespace, PipelineNamespaceId, WebViewId};
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use crate::webview_manager::WebViewManager;
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use crate::webview_renderer::UnknownWebView;
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@ -123,7 +119,7 @@ mod test {
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fn top_level_id(namespace_id: u32, index: u32) -> WebViewId {
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WebViewId(BrowsingContextId {
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namespace_id: PipelineNamespaceId(namespace_id),
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index: BrowsingContextIndex(NonZeroU32::new(index).unwrap()),
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index: Index::new(index).unwrap(),
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})
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}
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@ -81,18 +81,14 @@ impl<WebView> WebViewManager<WebView> {
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#[cfg(test)]
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mod test {
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use std::num::NonZeroU32;
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use base::id::{
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BrowsingContextId, BrowsingContextIndex, PipelineNamespace, PipelineNamespaceId, WebViewId,
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};
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use base::id::{BrowsingContextId, Index, PipelineNamespace, PipelineNamespaceId, WebViewId};
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use crate::webview_manager::WebViewManager;
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fn id(namespace_id: u32, index: u32) -> WebViewId {
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WebViewId(BrowsingContextId {
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namespace_id: PipelineNamespaceId(namespace_id),
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index: BrowsingContextIndex(NonZeroU32::new(index).expect("Incorrect test case")),
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index: Index::new(index).expect("Incorrect test case"),
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})
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}
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@ -6,9 +6,8 @@
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//! (<https://html.spec.whatwg.org/multipage/#serializable-objects>).
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use std::collections::HashMap;
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use std::num::NonZeroU32;
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use base::id::PipelineNamespaceId;
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use base::id::{Index, NamespaceIndex, PipelineNamespaceId};
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use crate::dom::bindings::reflector::DomObject;
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use crate::dom::bindings::root::DomRoot;
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@ -25,9 +24,9 @@ pub(crate) struct StorageKey {
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}
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impl StorageKey {
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pub(crate) fn new(name_space: PipelineNamespaceId, index: NonZeroU32) -> StorageKey {
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let name_space = name_space.0.to_ne_bytes();
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let index = index.get().to_ne_bytes();
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pub(crate) fn new<T>(index: NamespaceIndex<T>) -> StorageKey {
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let name_space = index.namespace_id.0.to_ne_bytes();
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let index = index.index.0.get().to_ne_bytes();
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StorageKey {
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index: u32::from_ne_bytes(index),
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name_space: u32::from_ne_bytes(name_space),
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@ -35,11 +34,13 @@ impl StorageKey {
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}
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}
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pub(crate) trait IntoStorageKey
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where
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Self: Sized,
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{
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fn into_storage_key(self) -> StorageKey;
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impl<T> From<StorageKey> for NamespaceIndex<T> {
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fn from(key: StorageKey) -> NamespaceIndex<T> {
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NamespaceIndex {
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namespace_id: PipelineNamespaceId(key.name_space),
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index: Index::new(key.index).expect("Index must not be zero"),
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}
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}
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}
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/// Interface for serializable platform objects.
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@ -48,11 +49,11 @@ pub(crate) trait Serializable: DomObject
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where
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Self: Sized,
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{
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type Id: Copy + Eq + std::hash::Hash + IntoStorageKey + From<StorageKey>;
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type Index: Copy + Eq + std::hash::Hash;
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type Data;
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/// <https://html.spec.whatwg.org/multipage/#serialization-steps>
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fn serialize(&self) -> Result<(Self::Id, Self::Data), ()>;
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fn serialize(&self) -> Result<(NamespaceIndex<Self::Index>, Self::Data), ()>;
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/// <https://html.spec.whatwg.org/multipage/#deserialization-steps>
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fn deserialize(
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owner: &GlobalScope,
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@ -64,7 +65,9 @@ where
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/// Returns the field of [StructuredDataReader]/[StructuredDataWriter] that
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/// should be used to read/store serialized instances of this type.
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fn serialized_storage(data: StructuredData<'_>) -> &mut Option<HashMap<Self::Id, Self::Data>>;
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fn serialized_storage(
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data: StructuredData<'_>,
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) -> &mut Option<HashMap<NamespaceIndex<Self::Index>, Self::Data>>;
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/// Returns the field of [StructuredDataReader] that should be used to store
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/// deserialized instances of this type.
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@ -6,11 +6,12 @@
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use std::collections::HashMap;
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use std::ffi::CStr;
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use std::num::NonZeroU32;
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use std::os::raw;
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use std::ptr;
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use base::id::{BlobId, DomExceptionId, DomPointId, MessagePortId, PipelineNamespaceId};
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use base::id::{
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BlobId, DomExceptionId, DomPointId, Index, MessagePortId, NamespaceIndex, PipelineNamespaceId,
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};
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use constellation_traits::{
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BlobImpl, DomException, DomPoint, MessagePortImpl, Serializable as SerializableInterface,
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StructuredSerializedData, Transferrable as TransferrableInterface,
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@ -34,8 +35,8 @@ use strum::IntoEnumIterator;
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use crate::dom::bindings::conversions::{ToJSValConvertible, root_from_object};
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use crate::dom::bindings::error::{Error, Fallible};
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use crate::dom::bindings::root::DomRoot;
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use crate::dom::bindings::serializable::{IntoStorageKey, Serializable, StorageKey};
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use crate::dom::bindings::transferable::{ExtractComponents, IdFromComponents, Transferable};
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use crate::dom::bindings::serializable::{Serializable, StorageKey};
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use crate::dom::bindings::transferable::Transferable;
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use crate::dom::blob::Blob;
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use crate::dom::dompoint::DOMPoint;
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use crate::dom::dompointreadonly::DOMPointReadOnly;
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@ -120,7 +121,7 @@ unsafe fn read_object<T: Serializable>(
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// 1. Re-build the key for the storage location
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// of the serialized object.
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let id = T::Id::from(storage_key);
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let id: NamespaceIndex<T::Index> = storage_key.into();
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// 2. Get the transferred object from its storage, using the key.
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let objects = T::serialized_storage(StructuredData::Reader(sc_reader));
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@ -155,7 +156,7 @@ unsafe fn write_object<T: Serializable>(
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let objects = T::serialized_storage(StructuredData::Writer(sc_writer))
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.get_or_insert_with(HashMap::new);
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objects.insert(new_id, serialized);
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let storage_key = new_id.into_storage_key();
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let storage_key = StorageKey::new(new_id);
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assert!(JS_WriteUint32Pair(
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w,
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@ -282,13 +283,13 @@ fn receive_object<T: Transferable>(
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.try_into()
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.expect("name_space to be a slice of four."),
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));
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let id = <T::Id as IdFromComponents>::from(
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let id: NamespaceIndex<T::Index> = NamespaceIndex {
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namespace_id,
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NonZeroU32::new(u32::from_ne_bytes(
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index: Index::new(u32::from_ne_bytes(
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index.try_into().expect("index to be a slice of four."),
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))
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.expect("Index to be non-zero"),
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);
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};
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// 2. Get the transferred object from its storage, using the key.
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let storage = T::serialized_storage(StructuredData::Reader(sc_reader));
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@ -356,11 +357,10 @@ unsafe fn try_transfer<T: Transferable + IDLInterface>(
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.get_or_insert_with(HashMap::new);
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objects.insert(id, object);
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let (PipelineNamespaceId(name_space), index) = id.components();
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let index = index.get();
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let index = id.index.0.get();
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let mut big: [u8; 8] = [0; 8];
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let name_space = name_space.to_ne_bytes();
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let name_space = id.namespace_id.0.to_ne_bytes();
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let index = index.to_ne_bytes();
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let (left, right) = big.split_at_mut(4);
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@ -6,44 +6,34 @@
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//! (<https://html.spec.whatwg.org/multipage/#transferable-objects>).
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use std::collections::HashMap;
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use std::num::NonZeroU32;
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use std::hash::Hash;
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use base::id::PipelineNamespaceId;
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use base::id::NamespaceIndex;
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use crate::dom::bindings::reflector::DomObject;
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use crate::dom::bindings::root::DomRoot;
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use crate::dom::bindings::structuredclone::{StructuredData, StructuredDataReader};
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use crate::dom::globalscope::GlobalScope;
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pub(crate) trait IdFromComponents
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where
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Self: Sized,
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{
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fn from(namespace_id: PipelineNamespaceId, index: NonZeroU32) -> Self;
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}
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pub(crate) trait ExtractComponents {
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fn components(&self) -> (PipelineNamespaceId, NonZeroU32);
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}
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pub(crate) trait Transferable: DomObject
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where
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Self: Sized,
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{
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type Id: Eq + std::hash::Hash + Copy + IdFromComponents + ExtractComponents;
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type Index: Copy + Eq + Hash;
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type Data;
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fn can_transfer(&self) -> bool {
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true
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}
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fn transfer(&self) -> Result<(Self::Id, Self::Data), ()>;
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fn transfer(&self) -> Result<(NamespaceIndex<Self::Index>, Self::Data), ()>;
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fn transfer_receive(
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owner: &GlobalScope,
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id: Self::Id,
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id: NamespaceIndex<Self::Index>,
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serialized: Self::Data,
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) -> Result<DomRoot<Self>, ()>;
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fn serialized_storage(data: StructuredData<'_>) -> &mut Option<HashMap<Self::Id, Self::Data>>;
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fn serialized_storage(
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data: StructuredData<'_>,
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) -> &mut Option<HashMap<NamespaceIndex<Self::Index>, Self::Data>>;
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fn deserialized_storage(reader: &mut StructuredDataReader) -> &mut Option<Vec<DomRoot<Self>>>;
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}
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@ -3,11 +3,10 @@
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* file, You can obtain one at https://mozilla.org/MPL/2.0/. */
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use std::collections::HashMap;
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use std::num::NonZeroU32;
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use std::ptr;
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use std::rc::Rc;
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use base::id::{BlobId, BlobIndex, PipelineNamespaceId};
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use base::id::{BlobId, BlobIndex};
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use constellation_traits::BlobImpl;
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use dom_struct::dom_struct;
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use encoding_rs::UTF_8;
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@ -25,7 +24,7 @@ use crate::dom::bindings::codegen::UnionTypes::ArrayBufferOrArrayBufferViewOrBlo
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use crate::dom::bindings::error::{Error, Fallible};
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use crate::dom::bindings::reflector::{DomGlobal, Reflector, reflect_dom_object_with_proto};
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use crate::dom::bindings::root::DomRoot;
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use crate::dom::bindings::serializable::{IntoStorageKey, Serializable, StorageKey};
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use crate::dom::bindings::serializable::{Serializable, StorageKey};
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use crate::dom::bindings::str::DOMString;
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use crate::dom::bindings::structuredclone::{StructuredData, StructuredDataReader};
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use crate::dom::globalscope::GlobalScope;
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@ -94,7 +93,7 @@ impl Blob {
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}
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impl Serializable for Blob {
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type Id = BlobId;
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type Index = BlobIndex;
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type Data = BlobImpl;
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/// <https://w3c.github.io/FileAPI/#ref-for-serialization-steps>
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@ -120,9 +119,7 @@ impl Serializable for Blob {
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Ok(deserialized_blob)
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}
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fn serialized_storage(
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reader: StructuredData<'_>,
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) -> &mut Option<HashMap<Self::Id, Self::Data>> {
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fn serialized_storage(reader: StructuredData<'_>) -> &mut Option<HashMap<BlobId, Self::Data>> {
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match reader {
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StructuredData::Reader(r) => &mut r.blob_impls,
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StructuredData::Writer(w) => &mut w.blobs,
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@ -136,26 +133,6 @@ impl Serializable for Blob {
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}
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}
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impl From<StorageKey> for BlobId {
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fn from(storage_key: StorageKey) -> BlobId {
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let namespace_id = PipelineNamespaceId(storage_key.name_space);
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let index =
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BlobIndex(NonZeroU32::new(storage_key.index).expect("Deserialized blob index is zero"));
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BlobId {
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namespace_id,
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index,
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}
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}
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}
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impl IntoStorageKey for BlobId {
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fn into_storage_key(self) -> StorageKey {
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let BlobIndex(index) = self.index;
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StorageKey::new(self.namespace_id, index)
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}
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}
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/// Extract bytes from BlobParts, used by Blob and File constructor
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/// <https://w3c.github.io/FileAPI/#constructorBlob>
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#[allow(unsafe_code)]
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@ -3,9 +3,8 @@
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* file, You can obtain one at https://mozilla.org/MPL/2.0/. */
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use std::collections::HashMap;
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use std::num::NonZeroU32;
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use base::id::{DomExceptionId, DomExceptionIndex, PipelineNamespaceId};
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use base::id::{DomExceptionId, DomExceptionIndex};
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use constellation_traits::DomException;
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use dom_struct::dom_struct;
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use js::rust::HandleObject;
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@ -18,7 +17,7 @@ use crate::dom::bindings::reflector::{
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Reflector, reflect_dom_object, reflect_dom_object_with_proto,
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};
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use crate::dom::bindings::root::DomRoot;
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use crate::dom::bindings::serializable::{IntoStorageKey, Serializable, StorageKey};
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use crate::dom::bindings::serializable::{Serializable, StorageKey};
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use crate::dom::bindings::str::DOMString;
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use crate::dom::bindings::structuredclone::{StructuredData, StructuredDataReader};
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use crate::dom::globalscope::GlobalScope;
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@ -224,11 +223,11 @@ impl DOMExceptionMethods<crate::DomTypeHolder> for DOMException {
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}
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impl Serializable for DOMException {
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type Id = DomExceptionId;
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type Index = DomExceptionIndex;
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type Data = DomException;
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// https://webidl.spec.whatwg.org/#idl-DOMException
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fn serialize(&self) -> Result<(Self::Id, Self::Data), ()> {
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fn serialize(&self) -> Result<(DomExceptionId, Self::Data), ()> {
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let serialized = DomException {
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message: self.message.to_string(),
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name: self.name.to_string(),
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@ -253,7 +252,9 @@ impl Serializable for DOMException {
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))
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}
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fn serialized_storage(data: StructuredData<'_>) -> &mut Option<HashMap<Self::Id, Self::Data>> {
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fn serialized_storage(
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data: StructuredData<'_>,
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) -> &mut Option<HashMap<DomExceptionId, Self::Data>> {
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match data {
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StructuredData::Reader(reader) => &mut reader.exceptions,
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StructuredData::Writer(writer) => &mut writer.exceptions,
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@ -266,24 +267,3 @@ impl Serializable for DOMException {
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&mut reader.dom_exceptions
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}
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}
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impl From<StorageKey> for DomExceptionId {
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fn from(storage_key: StorageKey) -> DomExceptionId {
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let namespace_id = PipelineNamespaceId(storage_key.name_space);
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let index = DomExceptionIndex(
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NonZeroU32::new(storage_key.index).expect("Deserialized exception index is zero"),
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);
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DomExceptionId {
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namespace_id,
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index,
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}
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}
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}
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impl IntoStorageKey for DomExceptionId {
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fn into_storage_key(self) -> StorageKey {
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let DomExceptionIndex(index) = self.index;
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StorageKey::new(self.namespace_id, index)
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}
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}
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|
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@ -4,7 +4,7 @@
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use std::collections::HashMap;
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use base::id::DomPointId;
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use base::id::{DomPointId, DomPointIndex};
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use constellation_traits::DomPoint;
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use dom_struct::dom_struct;
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use js::rust::HandleObject;
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@ -132,10 +132,10 @@ impl DOMPointMethods<crate::DomTypeHolder> for DOMPoint {
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}
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impl Serializable for DOMPoint {
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type Id = DomPointId;
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type Index = DomPointIndex;
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type Data = DomPoint;
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fn serialize(&self) -> Result<(Self::Id, Self::Data), ()> {
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fn serialize(&self) -> Result<(DomPointId, Self::Data), ()> {
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let serialized = DomPoint {
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x: self.X(),
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y: self.Y(),
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|
@ -163,7 +163,9 @@ impl Serializable for DOMPoint {
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))
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}
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fn serialized_storage(data: StructuredData<'_>) -> &mut Option<HashMap<Self::Id, Self::Data>> {
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fn serialized_storage(
|
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data: StructuredData<'_>,
|
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) -> &mut Option<HashMap<DomPointId, Self::Data>> {
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match data {
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StructuredData::Reader(reader) => &mut reader.points,
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StructuredData::Writer(writer) => &mut writer.points,
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|
|
|
@ -4,9 +4,8 @@
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|
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use std::cell::Cell;
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use std::collections::HashMap;
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use std::num::NonZeroU32;
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|
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use base::id::{DomPointId, DomPointIndex, PipelineNamespaceId};
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use base::id::{DomPointId, DomPointIndex};
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use constellation_traits::DomPoint;
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use dom_struct::dom_struct;
|
||||
use js::rust::HandleObject;
|
||||
|
@ -16,7 +15,7 @@ use crate::dom::bindings::codegen::Bindings::DOMPointReadOnlyBinding::DOMPointRe
|
|||
use crate::dom::bindings::error::Fallible;
|
||||
use crate::dom::bindings::reflector::{Reflector, reflect_dom_object_with_proto};
|
||||
use crate::dom::bindings::root::DomRoot;
|
||||
use crate::dom::bindings::serializable::{IntoStorageKey, Serializable, StorageKey};
|
||||
use crate::dom::bindings::serializable::{Serializable, StorageKey};
|
||||
use crate::dom::bindings::structuredclone::{StructuredData, StructuredDataReader};
|
||||
use crate::dom::globalscope::GlobalScope;
|
||||
use crate::script_runtime::CanGc;
|
||||
|
@ -142,10 +141,10 @@ impl DOMPointWriteMethods for DOMPointReadOnly {
|
|||
}
|
||||
|
||||
impl Serializable for DOMPointReadOnly {
|
||||
type Id = DomPointId;
|
||||
type Index = DomPointIndex;
|
||||
type Data = DomPoint;
|
||||
|
||||
fn serialize(&self) -> Result<(Self::Id, Self::Data), ()> {
|
||||
fn serialize(&self) -> Result<(DomPointId, Self::Data), ()> {
|
||||
let serialized = DomPoint {
|
||||
x: self.x.get(),
|
||||
y: self.y.get(),
|
||||
|
@ -173,7 +172,9 @@ impl Serializable for DOMPointReadOnly {
|
|||
))
|
||||
}
|
||||
|
||||
fn serialized_storage(data: StructuredData<'_>) -> &mut Option<HashMap<Self::Id, Self::Data>> {
|
||||
fn serialized_storage(
|
||||
data: StructuredData<'_>,
|
||||
) -> &mut Option<HashMap<DomPointId, Self::Data>> {
|
||||
match data {
|
||||
StructuredData::Reader(r) => &mut r.points,
|
||||
StructuredData::Writer(w) => &mut w.points,
|
||||
|
@ -186,24 +187,3 @@ impl Serializable for DOMPointReadOnly {
|
|||
&mut reader.points_read_only
|
||||
}
|
||||
}
|
||||
|
||||
impl From<StorageKey> for DomPointId {
|
||||
fn from(storage_key: StorageKey) -> DomPointId {
|
||||
let namespace_id = PipelineNamespaceId(storage_key.name_space);
|
||||
let index = DomPointIndex(
|
||||
NonZeroU32::new(storage_key.index).expect("Deserialized point index is zero"),
|
||||
);
|
||||
|
||||
DomPointId {
|
||||
namespace_id,
|
||||
index,
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
impl IntoStorageKey for DomPointId {
|
||||
fn into_storage_key(self) -> StorageKey {
|
||||
let DomPointIndex(index) = self.index;
|
||||
StorageKey::new(self.namespace_id, index)
|
||||
}
|
||||
}
|
||||
|
|
|
@ -4,11 +4,10 @@
|
|||
|
||||
use std::cell::{Cell, RefCell};
|
||||
use std::collections::HashMap;
|
||||
use std::num::NonZeroU32;
|
||||
use std::ptr;
|
||||
use std::rc::Rc;
|
||||
|
||||
use base::id::{MessagePortId, MessagePortIndex, PipelineNamespaceId};
|
||||
use base::id::{MessagePortId, MessagePortIndex};
|
||||
use constellation_traits::{MessagePortImpl, PortMessageTask};
|
||||
use dom_struct::dom_struct;
|
||||
use js::jsapi::{Heap, JS_NewObject, JSObject};
|
||||
|
@ -26,7 +25,7 @@ use crate::dom::bindings::reflector::{DomGlobal, reflect_dom_object};
|
|||
use crate::dom::bindings::root::DomRoot;
|
||||
use crate::dom::bindings::structuredclone::{self, StructuredData, StructuredDataReader};
|
||||
use crate::dom::bindings::trace::RootedTraceableBox;
|
||||
use crate::dom::bindings::transferable::{ExtractComponents, IdFromComponents, Transferable};
|
||||
use crate::dom::bindings::transferable::Transferable;
|
||||
use crate::dom::bindings::utils::set_dictionary_property;
|
||||
use crate::dom::eventtarget::EventTarget;
|
||||
use crate::dom::globalscope::GlobalScope;
|
||||
|
@ -239,7 +238,7 @@ impl MessagePort {
|
|||
}
|
||||
|
||||
impl Transferable for MessagePort {
|
||||
type Id = MessagePortId;
|
||||
type Index = MessagePortIndex;
|
||||
type Data = MessagePortImpl;
|
||||
|
||||
/// <https://html.spec.whatwg.org/multipage/#message-ports:transfer-steps>
|
||||
|
@ -269,7 +268,9 @@ impl Transferable for MessagePort {
|
|||
Ok(transferred_port)
|
||||
}
|
||||
|
||||
fn serialized_storage(data: StructuredData<'_>) -> &mut Option<HashMap<Self::Id, Self::Data>> {
|
||||
fn serialized_storage(
|
||||
data: StructuredData<'_>,
|
||||
) -> &mut Option<HashMap<MessagePortId, Self::Data>> {
|
||||
match data {
|
||||
StructuredData::Reader(r) => &mut r.port_impls,
|
||||
StructuredData::Writer(w) => &mut w.ports,
|
||||
|
@ -281,21 +282,6 @@ impl Transferable for MessagePort {
|
|||
}
|
||||
}
|
||||
|
||||
impl IdFromComponents for MessagePortId {
|
||||
fn from(namespace_id: PipelineNamespaceId, index: NonZeroU32) -> MessagePortId {
|
||||
MessagePortId {
|
||||
namespace_id,
|
||||
index: MessagePortIndex(index),
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
impl ExtractComponents for MessagePortId {
|
||||
fn components(&self) -> (PipelineNamespaceId, NonZeroU32) {
|
||||
(self.namespace_id, self.index.0)
|
||||
}
|
||||
}
|
||||
|
||||
impl MessagePortMethods<crate::DomTypeHolder> for MessagePort {
|
||||
/// <https://html.spec.whatwg.org/multipage/#dom-messageport-postmessage>
|
||||
fn PostMessage(
|
||||
|
|
|
@ -8,6 +8,8 @@ use std::ptr::{self};
|
|||
use std::rc::Rc;
|
||||
use std::collections::HashMap;
|
||||
|
||||
use base::id::{MessagePortId, MessagePortIndex};
|
||||
use constellation_traits::MessagePortImpl;
|
||||
use dom_struct::dom_struct;
|
||||
use js::conversions::ToJSValConvertible;
|
||||
use js::jsapi::{Heap, JSObject};
|
||||
|
@ -56,8 +58,6 @@ use crate::js::conversions::FromJSValConvertible;
|
|||
use crate::realms::{enter_realm, InRealm};
|
||||
use crate::script_runtime::{CanGc, JSContext as SafeJSContext};
|
||||
use crate::dom::promisenativehandler::{Callback, PromiseNativeHandler};
|
||||
use base::id::MessagePortId;
|
||||
use constellation_traits::MessagePortImpl;
|
||||
use crate::dom::bindings::transferable::Transferable;
|
||||
use crate::dom::bindings::structuredclone::{StructuredData, StructuredDataReader};
|
||||
|
||||
|
@ -2179,7 +2179,7 @@ pub(crate) fn get_read_promise_bytes(
|
|||
|
||||
/// <https://streams.spec.whatwg.org/#rs-transfer>
|
||||
impl Transferable for ReadableStream {
|
||||
type Id = MessagePortId;
|
||||
type Index = MessagePortIndex;
|
||||
type Data = MessagePortImpl;
|
||||
|
||||
/// <https://streams.spec.whatwg.org/#ref-for-readablestream%E2%91%A1%E2%91%A0>
|
||||
|
@ -2247,7 +2247,9 @@ impl Transferable for ReadableStream {
|
|||
}
|
||||
|
||||
/// Note: we are relying on the port transfer, so the data returned here are related to the port.
|
||||
fn serialized_storage(data: StructuredData<'_>) -> &mut Option<HashMap<Self::Id, Self::Data>> {
|
||||
fn serialized_storage(
|
||||
data: StructuredData<'_>,
|
||||
) -> &mut Option<HashMap<MessagePortId, Self::Data>> {
|
||||
match data {
|
||||
StructuredData::Reader(r) => &mut r.port_impls,
|
||||
StructuredData::Writer(w) => &mut w.ports,
|
||||
|
|
|
@ -8,7 +8,7 @@ use std::mem;
|
|||
use std::ptr::{self};
|
||||
use std::rc::Rc;
|
||||
|
||||
use base::id::MessagePortId;
|
||||
use base::id::{MessagePortId, MessagePortIndex};
|
||||
use constellation_traits::MessagePortImpl;
|
||||
use dom_struct::dom_struct;
|
||||
use js::jsapi::{Heap, JSObject};
|
||||
|
@ -1114,7 +1114,7 @@ impl CrossRealmTransformWritable {
|
|||
|
||||
/// <https://streams.spec.whatwg.org/#ws-transfer>
|
||||
impl Transferable for WritableStream {
|
||||
type Id = MessagePortId;
|
||||
type Index = MessagePortIndex;
|
||||
type Data = MessagePortImpl;
|
||||
|
||||
/// <https://streams.spec.whatwg.org/#ref-for-writablestream%E2%91%A0%E2%91%A4>
|
||||
|
@ -1182,7 +1182,9 @@ impl Transferable for WritableStream {
|
|||
}
|
||||
|
||||
/// Note: we are relying on the port transfer, so the data returned here are related to the port.
|
||||
fn serialized_storage(data: StructuredData<'_>) -> &mut Option<HashMap<Self::Id, Self::Data>> {
|
||||
fn serialized_storage(
|
||||
data: StructuredData<'_>,
|
||||
) -> &mut Option<HashMap<MessagePortId, Self::Data>> {
|
||||
match data {
|
||||
StructuredData::Reader(r) => &mut r.port_impls,
|
||||
StructuredData::Writer(w) => &mut w.ports,
|
||||
|
|
|
@ -8,11 +8,12 @@
|
|||
|
||||
use std::cell::Cell;
|
||||
use std::fmt;
|
||||
use std::marker::PhantomData;
|
||||
use std::num::NonZeroU32;
|
||||
use std::sync::{Arc, LazyLock};
|
||||
|
||||
use ipc_channel::ipc::{self, IpcReceiver, IpcSender};
|
||||
use malloc_size_of::malloc_size_of_is_0;
|
||||
use malloc_size_of::MallocSizeOfOps;
|
||||
use malloc_size_of_derive::MallocSizeOf;
|
||||
use parking_lot::Mutex;
|
||||
use serde::{Deserialize, Serialize};
|
||||
|
@ -26,44 +27,88 @@ macro_rules! size_of_test {
|
|||
};
|
||||
}
|
||||
|
||||
macro_rules! namespace_id_method {
|
||||
($func_name:ident, $func_return_data_type:ident, $self:ident, $index_name:ident) => {
|
||||
fn $func_name(&mut $self) -> $func_return_data_type {
|
||||
$func_return_data_type {
|
||||
namespace_id: $self.id,
|
||||
index: $index_name($self.next_index()),
|
||||
}
|
||||
}
|
||||
};
|
||||
/// A type that implements this trait is expected to be used as part of
|
||||
/// the [NamespaceIndex] type.
|
||||
pub trait Indexable {
|
||||
/// The string prefix to display when debug printing an instance of
|
||||
/// this type.
|
||||
const DISPLAY_PREFIX: &'static str;
|
||||
}
|
||||
|
||||
#[derive(Clone, Copy, Debug, Deserialize, Eq, Hash, Ord, PartialEq, PartialOrd, Serialize)]
|
||||
/// A non-zero index, associated with a particular type.
|
||||
pub struct Index<T>(pub NonZeroU32, pub PhantomData<T>);
|
||||
|
||||
#[derive(Debug)]
|
||||
/// An attempt to create a new [Index] value failed because the index value
|
||||
/// was zero.
|
||||
pub struct ZeroIndex;
|
||||
|
||||
impl<T> Index<T> {
|
||||
/// Creates a new instance of [Index] with the given value.
|
||||
/// Returns an error if the value is zero.
|
||||
pub fn new(value: u32) -> Result<Index<T>, ZeroIndex> {
|
||||
Ok(Index(NonZeroU32::new(value).ok_or(ZeroIndex)?, PhantomData))
|
||||
}
|
||||
}
|
||||
|
||||
impl<T> malloc_size_of::MallocSizeOf for Index<T> {
|
||||
fn size_of(&self, _ops: &mut MallocSizeOfOps) -> usize {
|
||||
0
|
||||
}
|
||||
}
|
||||
|
||||
#[derive(
|
||||
Clone, Copy, Deserialize, Eq, Hash, MallocSizeOf, Ord, PartialEq, PartialOrd, Serialize,
|
||||
)]
|
||||
/// A pipeline-namespaced index associated with a particular type.
|
||||
pub struct NamespaceIndex<T> {
|
||||
pub namespace_id: PipelineNamespaceId,
|
||||
pub index: Index<T>,
|
||||
}
|
||||
|
||||
impl<T> fmt::Debug for NamespaceIndex<T> {
|
||||
fn fmt(&self, fmt: &mut fmt::Formatter) -> fmt::Result {
|
||||
let PipelineNamespaceId(namespace_id) = self.namespace_id;
|
||||
let Index(index, _) = self.index;
|
||||
write!(fmt, "({},{})", namespace_id, index.get())
|
||||
}
|
||||
}
|
||||
|
||||
impl<T: Indexable> fmt::Display for NamespaceIndex<T> {
|
||||
fn fmt(&self, fmt: &mut fmt::Formatter) -> fmt::Result {
|
||||
write!(fmt, "{}{:?}", T::DISPLAY_PREFIX, self)
|
||||
}
|
||||
}
|
||||
|
||||
macro_rules! namespace_id {
|
||||
($id_name:ident, $index_name:ident, $display_prefix:literal) => {
|
||||
#[derive(
|
||||
Clone, Copy, Debug, Deserialize, Eq, Hash, Ord, PartialEq, PartialOrd, Serialize,
|
||||
Clone,
|
||||
Copy,
|
||||
Debug,
|
||||
Deserialize,
|
||||
Eq,
|
||||
Hash,
|
||||
Ord,
|
||||
PartialEq,
|
||||
PartialOrd,
|
||||
Serialize,
|
||||
MallocSizeOf,
|
||||
)]
|
||||
pub struct $index_name(pub NonZeroU32);
|
||||
malloc_size_of_is_0!($index_name);
|
||||
|
||||
#[derive(
|
||||
Clone, Copy, Deserialize, Eq, Hash, MallocSizeOf, Ord, PartialEq, PartialOrd, Serialize,
|
||||
)]
|
||||
pub struct $id_name {
|
||||
pub namespace_id: PipelineNamespaceId,
|
||||
pub index: $index_name,
|
||||
pub struct $index_name;
|
||||
impl Indexable for $index_name {
|
||||
const DISPLAY_PREFIX: &'static str = $display_prefix;
|
||||
}
|
||||
|
||||
impl fmt::Debug for $id_name {
|
||||
fn fmt(&self, fmt: &mut fmt::Formatter) -> fmt::Result {
|
||||
let PipelineNamespaceId(namespace_id) = self.namespace_id;
|
||||
let $index_name(index) = self.index;
|
||||
write!(fmt, "({},{})", namespace_id, index.get())
|
||||
}
|
||||
}
|
||||
|
||||
impl fmt::Display for $id_name {
|
||||
fn fmt(&self, fmt: &mut fmt::Formatter) -> fmt::Result {
|
||||
write!(fmt, "{}{:?}", $display_prefix, self)
|
||||
pub type $id_name = NamespaceIndex<$index_name>;
|
||||
impl $id_name {
|
||||
pub fn new() -> $id_name {
|
||||
PIPELINE_NAMESPACE.with(|tls| {
|
||||
let mut namespace = tls.get().expect("No namespace set for this thread!");
|
||||
let next_id = namespace.next_namespace_index();
|
||||
tls.set(Some(namespace));
|
||||
next_id
|
||||
})
|
||||
}
|
||||
}
|
||||
};
|
||||
|
@ -185,18 +230,12 @@ impl PipelineNamespace {
|
|||
NonZeroU32::new(self.index).expect("pipeline id index wrapped!")
|
||||
}
|
||||
|
||||
namespace_id_method! {next_pipeline_id, PipelineId, self, PipelineIndex}
|
||||
namespace_id_method! {next_browsing_context_id, BrowsingContextId, self, BrowsingContextIndex}
|
||||
namespace_id_method! {next_history_state_id, HistoryStateId, self, HistoryStateIndex}
|
||||
namespace_id_method! {next_message_port_id, MessagePortId, self, MessagePortIndex}
|
||||
namespace_id_method! {next_message_port_router_id, MessagePortRouterId, self, MessagePortRouterIndex}
|
||||
namespace_id_method! {next_broadcast_channel_router_id, BroadcastChannelRouterId, self, BroadcastChannelRouterIndex}
|
||||
namespace_id_method! {next_service_worker_id, ServiceWorkerId, self, ServiceWorkerIndex}
|
||||
namespace_id_method! {next_service_worker_registration_id, ServiceWorkerRegistrationId,
|
||||
self, ServiceWorkerRegistrationIndex}
|
||||
namespace_id_method! {next_blob_id, BlobId, self, BlobIndex}
|
||||
namespace_id_method! {next_dom_point_id, DomPointId, self, DomPointIndex}
|
||||
namespace_id_method! {next_dom_exception_id, DomExceptionId, self, DomExceptionIndex}
|
||||
fn next_namespace_index<T>(&mut self) -> NamespaceIndex<T> {
|
||||
NamespaceIndex {
|
||||
namespace_id: self.id,
|
||||
index: Index(self.next_index(), PhantomData),
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
thread_local!(pub static PIPELINE_NAMESPACE: Cell<Option<PipelineNamespace>> = const { Cell::new(None) });
|
||||
|
@ -212,15 +251,6 @@ size_of_test!(PipelineId, 8);
|
|||
size_of_test!(Option<PipelineId>, 8);
|
||||
|
||||
impl PipelineId {
|
||||
pub fn new() -> PipelineId {
|
||||
PIPELINE_NAMESPACE.with(|tls| {
|
||||
let mut namespace = tls.get().expect("No namespace set for this thread!");
|
||||
let new_pipeline_id = namespace.next_pipeline_id();
|
||||
tls.set(Some(namespace));
|
||||
new_pipeline_id
|
||||
})
|
||||
}
|
||||
|
||||
pub fn root_scroll_id(&self) -> webrender_api::ExternalScrollId {
|
||||
ExternalScrollId(0, self.into())
|
||||
}
|
||||
|
@ -233,7 +263,7 @@ impl From<WebRenderPipelineId> for PipelineId {
|
|||
unsafe {
|
||||
PipelineId {
|
||||
namespace_id: PipelineNamespaceId(namespace_id),
|
||||
index: PipelineIndex(NonZeroU32::new_unchecked(index)),
|
||||
index: Index(NonZeroU32::new_unchecked(index), PhantomData),
|
||||
}
|
||||
}
|
||||
}
|
||||
|
@ -242,7 +272,7 @@ impl From<WebRenderPipelineId> for PipelineId {
|
|||
impl From<PipelineId> for WebRenderPipelineId {
|
||||
fn from(value: PipelineId) -> Self {
|
||||
let PipelineNamespaceId(namespace_id) = value.namespace_id;
|
||||
let PipelineIndex(index) = value.index;
|
||||
let Index(index, _) = value.index;
|
||||
WebRenderPipelineId(namespace_id, index.get())
|
||||
}
|
||||
}
|
||||
|
@ -258,17 +288,6 @@ namespace_id! {BrowsingContextId, BrowsingContextIndex, "BrowsingContext"}
|
|||
size_of_test!(BrowsingContextId, 8);
|
||||
size_of_test!(Option<BrowsingContextId>, 8);
|
||||
|
||||
impl BrowsingContextId {
|
||||
pub fn new() -> Self {
|
||||
PIPELINE_NAMESPACE.with(|tls| {
|
||||
let mut namespace = tls.get().expect("No namespace set for this thread!");
|
||||
let new_browsing_context_id = namespace.next_browsing_context_id();
|
||||
tls.set(Some(namespace));
|
||||
new_browsing_context_id
|
||||
})
|
||||
}
|
||||
}
|
||||
|
||||
#[derive(Clone, Copy, Debug, Default, Eq, Hash, PartialEq)]
|
||||
pub struct BrowsingContextGroupId(pub u32);
|
||||
impl fmt::Display for BrowsingContextGroupId {
|
||||
|
@ -336,134 +355,34 @@ impl PartialEq<BrowsingContextId> for WebViewId {
|
|||
|
||||
namespace_id! {MessagePortId, MessagePortIndex, "MessagePort"}
|
||||
|
||||
impl MessagePortId {
|
||||
pub fn new() -> MessagePortId {
|
||||
PIPELINE_NAMESPACE.with(|tls| {
|
||||
let mut namespace = tls.get().expect("No namespace set for this thread!");
|
||||
let next_message_port_id = namespace.next_message_port_id();
|
||||
tls.set(Some(namespace));
|
||||
next_message_port_id
|
||||
})
|
||||
}
|
||||
}
|
||||
|
||||
namespace_id! {MessagePortRouterId, MessagePortRouterIndex, "MessagePortRouter"}
|
||||
|
||||
impl MessagePortRouterId {
|
||||
pub fn new() -> MessagePortRouterId {
|
||||
PIPELINE_NAMESPACE.with(|tls| {
|
||||
let mut namespace = tls.get().expect("No namespace set for this thread!");
|
||||
let next_message_port_router_id = namespace.next_message_port_router_id();
|
||||
tls.set(Some(namespace));
|
||||
next_message_port_router_id
|
||||
})
|
||||
}
|
||||
}
|
||||
|
||||
namespace_id! {BroadcastChannelRouterId, BroadcastChannelRouterIndex, "BroadcastChannelRouter"}
|
||||
|
||||
impl BroadcastChannelRouterId {
|
||||
pub fn new() -> BroadcastChannelRouterId {
|
||||
PIPELINE_NAMESPACE.with(|tls| {
|
||||
let mut namespace = tls.get().expect("No namespace set for this thread!");
|
||||
let next_broadcast_channel_router_id = namespace.next_broadcast_channel_router_id();
|
||||
tls.set(Some(namespace));
|
||||
next_broadcast_channel_router_id
|
||||
})
|
||||
}
|
||||
}
|
||||
|
||||
namespace_id! {ServiceWorkerId, ServiceWorkerIndex, "ServiceWorker"}
|
||||
|
||||
impl ServiceWorkerId {
|
||||
pub fn new() -> ServiceWorkerId {
|
||||
PIPELINE_NAMESPACE.with(|tls| {
|
||||
let mut namespace = tls.get().expect("No namespace set for this thread!");
|
||||
let next_service_worker_id = namespace.next_service_worker_id();
|
||||
tls.set(Some(namespace));
|
||||
next_service_worker_id
|
||||
})
|
||||
}
|
||||
}
|
||||
|
||||
namespace_id! {ServiceWorkerRegistrationId, ServiceWorkerRegistrationIndex, "ServiceWorkerRegistration"}
|
||||
|
||||
impl ServiceWorkerRegistrationId {
|
||||
pub fn new() -> ServiceWorkerRegistrationId {
|
||||
PIPELINE_NAMESPACE.with(|tls| {
|
||||
let mut namespace = tls.get().expect("No namespace set for this thread!");
|
||||
let next_service_worker_registration_id =
|
||||
namespace.next_service_worker_registration_id();
|
||||
tls.set(Some(namespace));
|
||||
next_service_worker_registration_id
|
||||
})
|
||||
}
|
||||
}
|
||||
|
||||
namespace_id! {BlobId, BlobIndex, "Blob"}
|
||||
|
||||
impl BlobId {
|
||||
pub fn new() -> BlobId {
|
||||
PIPELINE_NAMESPACE.with(|tls| {
|
||||
let mut namespace = tls.get().expect("No namespace set for this thread!");
|
||||
let next_blob_id = namespace.next_blob_id();
|
||||
tls.set(Some(namespace));
|
||||
next_blob_id
|
||||
})
|
||||
}
|
||||
}
|
||||
|
||||
namespace_id! {DomPointId, DomPointIndex, "DomPoint"}
|
||||
|
||||
impl DomPointId {
|
||||
pub fn new() -> DomPointId {
|
||||
PIPELINE_NAMESPACE.with(|tls| {
|
||||
let mut namespace = tls.get().expect("No namespace set for this thread!");
|
||||
let next_point_id = namespace.next_dom_point_id();
|
||||
tls.set(Some(namespace));
|
||||
next_point_id
|
||||
})
|
||||
}
|
||||
}
|
||||
|
||||
namespace_id! {DomExceptionId, DomExceptionIndex, "DomException"}
|
||||
|
||||
impl DomExceptionId {
|
||||
pub fn new() -> DomExceptionId {
|
||||
PIPELINE_NAMESPACE.with(|tls| {
|
||||
let mut namespace = tls.get().expect("No namespace set for this thread!");
|
||||
let next_exception_id = namespace.next_dom_exception_id();
|
||||
tls.set(Some(namespace));
|
||||
next_exception_id
|
||||
})
|
||||
}
|
||||
}
|
||||
|
||||
namespace_id! {HistoryStateId, HistoryStateIndex, "HistoryState"}
|
||||
|
||||
impl HistoryStateId {
|
||||
pub fn new() -> HistoryStateId {
|
||||
PIPELINE_NAMESPACE.with(|tls| {
|
||||
let mut namespace = tls.get().expect("No namespace set for this thread!");
|
||||
let next_history_state_id = namespace.next_history_state_id();
|
||||
tls.set(Some(namespace));
|
||||
next_history_state_id
|
||||
})
|
||||
}
|
||||
}
|
||||
|
||||
// We provide ids just for unit testing.
|
||||
pub const TEST_NAMESPACE: PipelineNamespaceId = PipelineNamespaceId(1234);
|
||||
#[allow(unsafe_code)]
|
||||
pub const TEST_PIPELINE_INDEX: PipelineIndex =
|
||||
unsafe { PipelineIndex(NonZeroU32::new_unchecked(5678)) };
|
||||
pub const TEST_PIPELINE_INDEX: Index<PipelineIndex> =
|
||||
unsafe { Index(NonZeroU32::new_unchecked(5678), PhantomData) };
|
||||
pub const TEST_PIPELINE_ID: PipelineId = PipelineId {
|
||||
namespace_id: TEST_NAMESPACE,
|
||||
index: TEST_PIPELINE_INDEX,
|
||||
};
|
||||
#[allow(unsafe_code)]
|
||||
pub const TEST_BROWSING_CONTEXT_INDEX: BrowsingContextIndex =
|
||||
unsafe { BrowsingContextIndex(NonZeroU32::new_unchecked(8765)) };
|
||||
pub const TEST_BROWSING_CONTEXT_INDEX: Index<BrowsingContextIndex> =
|
||||
unsafe { Index(NonZeroU32::new_unchecked(8765), PhantomData) };
|
||||
pub const TEST_BROWSING_CONTEXT_ID: BrowsingContextId = BrowsingContextId {
|
||||
namespace_id: TEST_NAMESPACE,
|
||||
index: TEST_BROWSING_CONTEXT_INDEX,
|
||||
|
|
Loading…
Add table
Add a link
Reference in a new issue