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https://github.com/servo/servo.git
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9514f670d1
* Add `no_trace` option to JSTraceable derive * NoTrace wrapper * Port some types to no_trace schematics * Fixing my unsafe mistakes (not tracing traceables) * Add docs & safety guards for no_trace Safety guards (trait shenanigans) guarantees safety usage of `no_trace` * Port canvas_traits to no_trace * Port servo_media to no_trace * Port net_traits to no_trace * Port style to no_trace * Port webgpu to no_trace * Port script_traits to no_trace * Port canvas_traits, devtools_traits, embedder_traits, profile_traits to no_trace * unrooted_must_root lint in seperate file * Add trace_in_no_trace_lint as script_plugin * Composable types in must_not_have_traceable * Introduced HashMapTracedValues wrapper * `HashMap<NoTrace<K>,V>`->`HashMapTracedValues<K,V>` * Port rest of servo's types to no_trace * Port html5ever, euclid, mime and http to no_trace * Port remaining externals to no_trace * Port webxr and Arc<Mutex<_>> * Fix spelling in notrace doc
69 lines
2.3 KiB
Rust
69 lines
2.3 KiB
Rust
/* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at https://mozilla.org/MPL/2.0/. */
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use crate::dom::domexception::DOMErrorName;
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use crate::dom::filereader::{FileReader, GenerationId, ReadMetaData, TrustedFileReader};
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use crate::script_runtime::{CommonScriptMsg, ScriptChan, ScriptThreadEventCategory};
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use crate::task::{TaskCanceller, TaskOnce};
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use crate::task_source::{TaskSource, TaskSourceName};
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use msg::constellation_msg::PipelineId;
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#[derive(JSTraceable)]
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pub struct FileReadingTaskSource(
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pub Box<dyn ScriptChan + Send + 'static>,
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#[no_trace] pub PipelineId,
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);
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impl Clone for FileReadingTaskSource {
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fn clone(&self) -> FileReadingTaskSource {
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FileReadingTaskSource(self.0.clone(), self.1.clone())
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}
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}
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impl TaskSource for FileReadingTaskSource {
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const NAME: TaskSourceName = TaskSourceName::FileReading;
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fn queue_with_canceller<T>(&self, task: T, canceller: &TaskCanceller) -> Result<(), ()>
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where
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T: TaskOnce + 'static,
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{
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self.0.send(CommonScriptMsg::Task(
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ScriptThreadEventCategory::FileRead,
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Box::new(canceller.wrap_task(task)),
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Some(self.1),
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FileReadingTaskSource::NAME,
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))
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}
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}
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impl TaskOnce for FileReadingTask {
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fn run_once(self) {
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self.handle_task();
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}
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}
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#[allow(dead_code)]
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pub enum FileReadingTask {
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ProcessRead(TrustedFileReader, GenerationId),
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ProcessReadData(TrustedFileReader, GenerationId),
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ProcessReadError(TrustedFileReader, GenerationId, DOMErrorName),
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ProcessReadEOF(TrustedFileReader, GenerationId, ReadMetaData, Vec<u8>),
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}
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impl FileReadingTask {
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pub fn handle_task(self) {
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use self::FileReadingTask::*;
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match self {
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ProcessRead(reader, gen_id) => FileReader::process_read(reader, gen_id),
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ProcessReadData(reader, gen_id) => FileReader::process_read_data(reader, gen_id),
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ProcessReadError(reader, gen_id, error) => {
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FileReader::process_read_error(reader, gen_id, error)
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},
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ProcessReadEOF(reader, gen_id, metadata, blob_contents) => {
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FileReader::process_read_eof(reader, gen_id, metadata, blob_contents)
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},
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}
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}
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}
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