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https://github.com/servo/servo.git
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5f927a2c28
Create two new data structures in the `script` crate to hold senders and receiver: - `ScriptThreadSenders`: holds all outgoing channels from the `ScriptThread` including a channel to the `ScriptThread` itself. The ultimate goal with this is to reduce duplication by giving a boxed version of this this to `Window`s. - `ScriptThradReceivers`: holds all incoming channels to the `ScriptThread`. This isn't cloenable like the senders. This is used to abstract away `recv()` and `try_recv()` methods used to make the `ScriptThread` event loop easier to read. In addition: - The many duplicated `ScriptThread` self-senders for the `TaskManager` have been removed and, in general, a lot of boilerplate is removed as well. - Visibilty of all methods affected by this change is changed to `pub(crate)` in order to take advantage of dead code detection. Some dead code produced from macros is removed. - Some conversion code is refactord into implementations of the `From` trait. - The names of channels uses a standard "sender" and "receiver" naming as well as trying to be descriptive of where they go in `ScriptThread` as well as `InitialScriptState` Signed-off-by: Martin Robinson <mrobinson@igalia.com>
80 lines
2.7 KiB
Rust
80 lines
2.7 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 std::collections::HashMap;
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use base::id::PipelineId;
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use crossbeam_channel::Sender;
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use dom_struct::dom_struct;
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use js::rust::Runtime;
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use servo_url::ServoUrl;
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use crate::dom::bindings::cell::DomRefCell;
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use crate::dom::bindings::codegen::Bindings::TestWorkletGlobalScopeBinding;
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use crate::dom::bindings::codegen::Bindings::TestWorkletGlobalScopeBinding::TestWorkletGlobalScopeMethods;
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use crate::dom::bindings::root::DomRoot;
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use crate::dom::bindings::str::DOMString;
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use crate::dom::worklet::WorkletExecutor;
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use crate::dom::workletglobalscope::{WorkletGlobalScope, WorkletGlobalScopeInit};
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use crate::script_runtime::JSContext;
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// check-tidy: no specs after this line
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#[dom_struct]
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pub struct TestWorkletGlobalScope {
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// The worklet global for this object
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worklet_global: WorkletGlobalScope,
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// The key/value pairs
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lookup_table: DomRefCell<HashMap<String, String>>,
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}
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impl TestWorkletGlobalScope {
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#[allow(unsafe_code)]
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pub(crate) fn new(
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runtime: &Runtime,
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pipeline_id: PipelineId,
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base_url: ServoUrl,
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executor: WorkletExecutor,
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init: &WorkletGlobalScopeInit,
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) -> DomRoot<TestWorkletGlobalScope> {
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debug!(
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"Creating test worklet global scope for pipeline {}.",
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pipeline_id
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);
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let global = Box::new(TestWorkletGlobalScope {
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worklet_global: WorkletGlobalScope::new_inherited(
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pipeline_id,
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base_url,
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executor,
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init,
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),
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lookup_table: Default::default(),
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});
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unsafe { TestWorkletGlobalScopeBinding::Wrap(JSContext::from_ptr(runtime.cx()), global) }
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}
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pub fn perform_a_worklet_task(&self, task: TestWorkletTask) {
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match task {
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TestWorkletTask::Lookup(key, sender) => {
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debug!("Looking up key {}.", key);
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let result = self.lookup_table.borrow().get(&key).cloned();
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let _ = sender.send(result);
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},
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}
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}
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}
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impl TestWorkletGlobalScopeMethods<crate::DomTypeHolder> for TestWorkletGlobalScope {
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fn RegisterKeyValue(&self, key: DOMString, value: DOMString) {
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debug!("Registering test worklet key/value {}/{}.", key, value);
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self.lookup_table
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.borrow_mut()
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.insert(String::from(key), String::from(value));
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}
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}
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/// Tasks which can be performed by test worklets.
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pub enum TestWorkletTask {
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Lookup(String, Sender<Option<String>>),
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}
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