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imagebitmap: Make ImageBitmap serializable and transferable (#37101)
According to specification ImageBitmap objects are serializable objects and transferable objects. https://html.spec.whatwg.org/multipage/#the-imagebitmap-interface:imagebitmap-11 Testing: - html/canvas/element/manual/imagebitmap/* - html/infrastructure/safe-passing-of-structured-data/* - html/webappapis/structured-clone/* - workers/semantics/structured-clone/* Signed-off-by: Andrei Volykhin <andrei.volykhin@gmail.com>
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cd36c35cf2
commit
1f5087d773
19 changed files with 215 additions and 103 deletions
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@ -11,7 +11,7 @@ use std::cell::RefCell;
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use std::collections::HashMap;
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use std::path::PathBuf;
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use base::id::{BlobId, DomExceptionId, DomPointId};
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use base::id::{BlobId, DomExceptionId, DomPointId, ImageBitmapId};
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use malloc_size_of_derive::MallocSizeOf;
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use net_traits::filemanager_thread::RelativePos;
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use serde::{Deserialize, Serialize};
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@ -47,6 +47,8 @@ pub enum Serializable {
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DomPointReadOnly,
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/// The `DOMException` interface.
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DomException,
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/// The `ImageBitmap` interface.
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ImageBitmap,
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}
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impl Serializable {
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@ -62,6 +64,9 @@ impl Serializable {
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Serializable::DomException => {
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StructuredSerializedData::clone_all_of_type::<DomException>
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},
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Serializable::ImageBitmap => {
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StructuredSerializedData::clone_all_of_type::<SerializableImageBitmap>
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},
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}
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}
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}
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@ -312,3 +317,31 @@ impl BroadcastClone for DomException {
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Some(self.clone())
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}
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}
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#[derive(Clone, Debug, Deserialize, MallocSizeOf, Serialize)]
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/// A serializable version of the ImageBitmap interface.
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pub struct SerializableImageBitmap {
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pub width: u32,
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pub height: u32,
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pub bitmap_data: Vec<u8>,
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}
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impl BroadcastClone for SerializableImageBitmap {
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type Id = ImageBitmapId;
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fn source(
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data: &StructuredSerializedData,
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) -> &Option<std::collections::HashMap<Self::Id, Self>> {
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&data.image_bitmaps
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}
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fn destination(
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data: &mut StructuredSerializedData,
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) -> &mut Option<std::collections::HashMap<Self::Id, Self>> {
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&mut data.image_bitmaps
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}
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fn clone_for_broadcast(&self) -> Option<Self> {
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Some(self.clone())
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}
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}
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