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Dom: Re-implement ReadableStream Part 1 : Default Reader and Controller (#34064)
* Re-implement readablestream: basics and default reader and controller --------- Co-authored-by: Jason Tsai <jason@pews.dev> Signed-off-by: Wu Wayne <yuweiwu@pm.me> Add remaining WebIDLs of ReadableStream (#32605) * Add Reader's WebIDL files * Add necessary methods in ReadableStream.webidl Signed-off-by: Wu Wayne <yuweiwu@pm.me> Create safe wrapper for JSFunctions (#32620) * Create safe wrapper for JSFunctions Signed-off-by: Bentaimia Haddadi <haddadi.taym@gmail.com> * Add assert to check if the name ends in a null character Signed-off-by: Bentaimia Haddadi <haddadi.taym@gmail.com> * Create macro to wrap unsafe extern "C" function calls Signed-off-by: Bentaimia Haddadi <haddadi.taym@gmail.com> * Remove WRAPPER_FN Signed-off-by: Bentaimia Haddadi <haddadi.taym@gmail.com> * Add macro example documentation Signed-off-by: Bentaimia Haddadi <haddadi.taym@gmail.com> * Use C-string literals Signed-off-by: Bentaimia Haddadi <haddadi.taym@gmail.com> * Ensure name is Cstr type Signed-off-by: Bentaimia Haddadi <haddadi.taym@gmail.com> * Scope #[allow(unsafe_code)] Signed-off-by: Bentaimia Haddadi <haddadi.taym@gmail.com> --------- Signed-off-by: Bentaimia Haddadi <haddadi.taym@gmail.com> Signed-off-by: Wu Wayne <yuweiwu@pm.me> Start implementation of default controller and reader Start implementation of default controller and reader * implement basic internal slots, with todos Signed-off-by: gterzian <2792687+gterzian@users.noreply.github.com> * enum for controller Signed-off-by: gterzian <2792687+gterzian@users.noreply.github.com> * re-implement native controller methods Signed-off-by: gterzian <2792687+gterzian@users.noreply.github.com> * add calling into pull algo Signed-off-by: gterzian <2792687+gterzian@users.noreply.github.com> * more details on chunk enqueuing Signed-off-by: gterzian <2792687+gterzian@users.noreply.github.com> * add fulfill read request, clean-up warnings Signed-off-by: gterzian <2792687+gterzian@users.noreply.github.com> * read request and reader typing Signed-off-by: gterzian <2792687+gterzian@users.noreply.github.com> * allow for more than one non-native underlying source type Signed-off-by: gterzian <2792687+gterzian@users.noreply.github.com> * add todo for should pull Signed-off-by: gterzian <2792687+gterzian@users.noreply.github.com> * add underlying source dom struct container Signed-off-by: gterzian <2792687+gterzian@users.noreply.github.com> * remove rc around source type * add default controller init in stream constructor * setup source container with prototype of source dict * clean-up docs, dispatch of controller in pull algo call * turn off SM streams * remove prototype setting on underlying source container * fix read request promise resolving * tidy * clean-up js conversions in read req handlers * add queue with sizes concept * use dom in pull promise handlers * Demonstrate using dictionary as callback this object. * move value with size to a struct * fmt * put readable stream state in a cell * nits in expectations * remove allow unroot by passing read result directly to promise resolving * tidy * root default controller inside call_pull_if_needed --------- Signed-off-by: gterzian <2792687+gterzian@users.noreply.github.com> Co-authored-by: Josh Matthews <josh@joshmatthews.net> Signed-off-by: Wu Wayne <yuweiwu@pm.me> ReadableStream: implement Cancel and Locked (#33136) * implement Locked * implement Cancel and close Signed-off-by: Wu Wayne <yuweiwu@pm.me> Add GetPromiseIsHandled and SetAnyPromiseIsHandled to Promise Signed-off-by: Taym <haddadi.taym@gmail.com> mach fmt Signed-off-by: Taym <haddadi.taym@gmail.com> Readablestream default controller: get desired size (#33497) Signed-off-by: gterzian <2792687+gterzian@users.noreply.github.com> stream: implement controller close (#33498) Signed-off-by: gterzian <2792687+gterzian@users.noreply.github.com> implement stream default controller error (#33503) Signed-off-by: gterzian <2792687+gterzian@users.noreply.github.com> Readablestream default controller: enqueue (#33528) * Implement ReadableStreamDefaultControllerMethods::Enqueue Signed-off-by: Wu Wayne <yuweiwu@pm.me> * Add spec comments Signed-off-by: Wu Wayne <yuweiwu@pm.me> --------- Signed-off-by: Wu Wayne <yuweiwu@pm.me> readablestream default controller: fulfill read requests (#33542) Signed-off-by: gterzian <2792687+gterzian@users.noreply.github.com> Fix extract_size_algorithm (#33561) Signed-off-by: Wu Wayne <yuweiwu@pm.me> Readablestream default controller: use strategy size (#33551) * readablestream default controller: use strategy size, fallible enqueue Signed-off-by: gterzian <2792687+gterzian@users.noreply.github.com> docs * readablestream default controller: clear strategy size Signed-off-by: gterzian <2792687+gterzian@users.noreply.github.com> * prevent potential re-borrow panics when calling into the strategy size Signed-off-by: gterzian <2792687+gterzian@users.noreply.github.com> * document readablestream constructor Signed-off-by: gterzian <2792687+gterzian@users.noreply.github.com> --------- Signed-off-by: gterzian <2792687+gterzian@users.noreply.github.com> Readablestream: impl default controller should pull, start algo (#33586) * implement should-pull algo for default controller Signed-off-by: gterzian <2792687+gterzian@users.noreply.github.com> * add start algorithm setup for default controller Signed-off-by: gterzian <2792687+gterzian@users.noreply.github.com> --------- Signed-off-by: gterzian <2792687+gterzian@users.noreply.github.com> implement promise native handling for start and pull algorithms (#33603) Signed-off-by: gterzian <2792687+gterzian@users.noreply.github.com> Implement ReadableStreamDefaultReader (#33160) * Implement ReadableStreamDefaultReader Make the stream mutable readable-stream-reader-generic-release Proper error types when releasing Closed Cancel Signed-off-by: Taym <haddadi.taym@gmail.com> * follow the spec more closely Signed-off-by: Taym <haddadi.taym@gmail.com> --------- Signed-off-by: Taym <haddadi.taym@gmail.com> Implement ReadableStreamDefaultReader read (#34007) * Implement ReadableStreamDefaultReader read Signed-off-by: Taym <haddadi.taym@gmail.com> * Perform readRequest’s error steps with stream.stored_error Signed-off-by: Taym <haddadi.taym@gmail.com> --------- Signed-off-by: Taym <haddadi.taym@gmail.com> Improve ReadableStreamDefaultReader close (#34014) * improve ReadableStreamDefaultReader close Signed-off-by: Taym <haddadi.taym@gmail.com> * remove resolve_closed_promise Signed-off-by: Taym <haddadi.taym@gmail.com> --------- Signed-off-by: Taym <haddadi.taym@gmail.com> Use Rc<Box<[u8]>> for queue to optimize get_in_memory_bytes Signed-off-by: Taym <haddadi.taym@gmail.com> Signed-off-by: gterzian <2792687+gterzian@users.noreply.github.com> Signed-off-by: Taym <haddadi.taym@gmail.com> * Improve read_a_chunk and stop_reading implemntation (#34077) Signed-off-by: Taym <haddadi.taym@gmail.com> Signed-off-by: gterzian <2792687+gterzian@users.noreply.github.com> Signed-off-by: Taym <haddadi.taym@gmail.com> Signed-off-by: Taym Haddadi <haddadi.taym@gmail.com> * Implement ReadableStreamDefaultReader::Constructor (#34056) * Implement ReadableStreamDefaultReader::Constructor Signed-off-by: Taym <haddadi.taym@gmail.com> * make start_reading returns ReadableStreamDefaultReader Signed-off-by: Taym <haddadi.taym@gmail.com> * Fix can_gc Signed-off-by: Taym <haddadi.taym@gmail.com> * Add canGc to ReadableStream::GetReader Signed-off-by: Taym <haddadi.taym@gmail.com> --------- Signed-off-by: Taym <haddadi.taym@gmail.com> Signed-off-by: gterzian <2792687+gterzian@users.noreply.github.com> Signed-off-by: Taym <haddadi.taym@gmail.com> Signed-off-by: Taym Haddadi <haddadi.taym@gmail.com> * Readablestream fix CanGc (#34080) Signed-off-by: Taym <haddadi.taym@gmail.com> Signed-off-by: gterzian <2792687+gterzian@users.noreply.github.com> Signed-off-by: Taym <haddadi.taym@gmail.com> Signed-off-by: Taym Haddadi <haddadi.taym@gmail.com> * correct ReadableStream::error_native implementation and fix clippy warnings (#34088) Signed-off-by: Taym <haddadi.taym@gmail.com> Signed-off-by: Taym Haddadi <haddadi.taym@gmail.com> * turn assertion of stream present on controller on a early return with false (#34097) Signed-off-by: gterzian <2792687+gterzian@users.noreply.github.com> Signed-off-by: Taym <haddadi.taym@gmail.com> Signed-off-by: Taym Haddadi <haddadi.taym@gmail.com> * Fix already mutably borrowed crash (#34105) Signed-off-by: Taym <haddadi.taym@gmail.com> Signed-off-by: Taym Haddadi <haddadi.taym@gmail.com> * Refactor `get_in_memory_bytes` to return `Option<Vec<u8>> and avoid `unreachable!` panic (#34123) Signed-off-by: Taym <haddadi.taym@gmail.com> Signed-off-by: Taym Haddadi <haddadi.taym@gmail.com> * Set ReadableStream ReadableStreamDefaultReader in start_reading (#34125) Signed-off-by: Taym <haddadi.taym@gmail.com> Signed-off-by: Taym Haddadi <haddadi.taym@gmail.com> * Fix Unhandled rejection with value: object `TypeError: stream is not locked` (#34204) Signed-off-by: Taym <haddadi.taym@gmail.com> Signed-off-by: Taym Haddadi <haddadi.taym@gmail.com> * Fix assert!(self.is_readable()) crash in ReadableStream::close (#34207) Signed-off-by: Taym <haddadi.taym@gmail.com> Signed-off-by: Taym Haddadi <haddadi.taym@gmail.com> * fix call to to_js_object in underlying source algos (#34098) Signed-off-by: gterzian <2792687+gterzian@users.noreply.github.com> Signed-off-by: Taym <haddadi.taym@gmail.com> Signed-off-by: Taym Haddadi <haddadi.taym@gmail.com> * do not assume presence of a stream when performing pull steps (#34244) * do not assume presence of a stream when performing pull steps Signed-off-by: gterzian <2792687+gterzian@users.noreply.github.com> * add doc comments Co-authored-by: Taym Haddadi <haddadi.taym@gmail.com> Signed-off-by: Gregory Terzian <2792687+gterzian@users.noreply.github.com> --------- Signed-off-by: gterzian <2792687+gterzian@users.noreply.github.com> Signed-off-by: Gregory Terzian <2792687+gterzian@users.noreply.github.com> Co-authored-by: Taym Haddadi <haddadi.taym@gmail.com> Signed-off-by: Taym <haddadi.taym@gmail.com> Signed-off-by: Taym Haddadi <haddadi.taym@gmail.com> * gracefully handle failure of underlying source algorithms (#34243) Signed-off-by: gterzian <2792687+gterzian@users.noreply.github.com> Signed-off-by: Taym <haddadi.taym@gmail.com> Signed-off-by: Taym Haddadi <haddadi.taym@gmail.com> * ensure result of calling start algo is an object (#34245) Signed-off-by: gterzian <2792687+gterzian@users.noreply.github.com> Signed-off-by: Taym <haddadi.taym@gmail.com> Signed-off-by: Taym Haddadi <haddadi.taym@gmail.com> * return js failed error if underlying source constructor threw (#34246) Signed-off-by: gterzian <2792687+gterzian@users.noreply.github.com> Signed-off-by: Taym <haddadi.taym@gmail.com> Signed-off-by: Taym Haddadi <haddadi.taym@gmail.com> * Use JSVal for ValueWithSize::value (#34259) Signed-off-by: Taym <haddadi.taym@gmail.com> Signed-off-by: Taym Haddadi <haddadi.taym@gmail.com> * fix release reader lock, (#34255) fix setting stream on controller in new, fix matching fallthrough, reduce visibility of controller error method Signed-off-by: gterzian <2792687+gterzian@users.noreply.github.com> Signed-off-by: Taym <haddadi.taym@gmail.com> Signed-off-by: Taym Haddadi <haddadi.taym@gmail.com> * in stream cancel, reject promist if locked (#34271) Signed-off-by: gterzian <2792687+gterzian@users.noreply.github.com> Signed-off-by: Taym <haddadi.taym@gmail.com> Signed-off-by: Taym Haddadi <haddadi.taym@gmail.com> * Fix UnderlyingSourceContainer::call_start_algorithm (#34277) Signed-off-by: Taym <haddadi.taym@gmail.com> Signed-off-by: Taym Haddadi <haddadi.taym@gmail.com> * implement controller cancel steps, fix stream cancel method (#34301) Signed-off-by: gterzian <2792687+gterzian@users.noreply.github.com> Signed-off-by: Taym <haddadi.taym@gmail.com> Signed-off-by: Taym Haddadi <haddadi.taym@gmail.com> * fix conditional in perform pull steps (#34324) Signed-off-by: gterzian <2792687+gterzian@users.noreply.github.com> Signed-off-by: Taym <haddadi.taym@gmail.com> Signed-off-by: Taym Haddadi <haddadi.taym@gmail.com> * set reader closed promise to one resolved with undefined if stream closed on init (#34321) Signed-off-by: gterzian <2792687+gterzian@users.noreply.github.com> Signed-off-by: Taym <haddadi.taym@gmail.com> Signed-off-by: Taym Haddadi <haddadi.taym@gmail.com> * fix init of stream and controller (#34323) Signed-off-by: gterzian <2792687+gterzian@users.noreply.github.com> Signed-off-by: Taym <haddadi.taym@gmail.com> Signed-off-by: Taym Haddadi <haddadi.taym@gmail.com> * Stream: Fix reborrow in controller enqueue, and fix error and exception handling. (#34338) * fix re-borrow in controller enqueue Signed-off-by: gterzian <2792687+gterzian@users.noreply.github.com> * do not call to_jsval on JSFailed error in enqueue Signed-off-by: gterzian <2792687+gterzian@users.noreply.github.com> * fix error and exception handling in controller enqueue Signed-off-by: gterzian <2792687+gterzian@users.noreply.github.com> * remove TODO about correctness of stored error, since this was done as part of the switch to a js val. Signed-off-by: gterzian <2792687+gterzian@users.noreply.github.com> --------- Signed-off-by: gterzian <2792687+gterzian@users.noreply.github.com> Signed-off-by: Taym <haddadi.taym@gmail.com> Signed-off-by: Taym Haddadi <haddadi.taym@gmail.com> * Stream: Fix incorrect "this" object in underlying source callbacks (#34368) * in controller close, throw type error if stream cannot be closed Signed-off-by: gterzian <2792687+gterzian@users.noreply.github.com> * store original js object for underlying source, for use as this object in callbacks Signed-off-by: gterzian <2792687+gterzian@users.noreply.github.com> --------- Signed-off-by: gterzian <2792687+gterzian@users.noreply.github.com> Signed-off-by: Taym <haddadi.taym@gmail.com> Signed-off-by: Taym Haddadi <haddadi.taym@gmail.com> * fix conditional logic in enqueue to ensure pull is called into (#34375) Signed-off-by: gterzian <2792687+gterzian@users.noreply.github.com> Signed-off-by: Taym <haddadi.taym@gmail.com> Signed-off-by: Taym Haddadi <haddadi.taym@gmail.com> * Stream: Fix bytelength queueing strategy (#34376) * fix handling of value that is not an object in bytelength queuing strategy Signed-off-by: gterzian <2792687+gterzian@users.noreply.github.com> * return type error if strategy size call fails, to prevent panic because no exception is pending Signed-off-by: gterzian <2792687+gterzian@users.noreply.github.com> --------- Signed-off-by: gterzian <2792687+gterzian@users.noreply.github.com> Signed-off-by: Taym <haddadi.taym@gmail.com> Signed-off-by: Taym Haddadi <haddadi.taym@gmail.com> * set correct default count queuing size strategy (#34389) Signed-off-by: gterzian <2792687+gterzian@users.noreply.github.com> Signed-off-by: Taym <haddadi.taym@gmail.com> Signed-off-by: Taym Haddadi <haddadi.taym@gmail.com> * use proto in stream constructor (#34441) Signed-off-by: gterzian <2792687+gterzian@users.noreply.github.com> Signed-off-by: Taym <haddadi.taym@gmail.com> Signed-off-by: Taym Haddadi <haddadi.taym@gmail.com> * fix edge cases in get_desired_size (#34440) Signed-off-by: gterzian <2792687+gterzian@users.noreply.github.com> Signed-off-by: Taym <haddadi.taym@gmail.com> Signed-off-by: Taym Haddadi <haddadi.taym@gmail.com> * Stream: fix algo and strategy calls error handling. (#34424) * fix error handling in cancel steps Signed-off-by: gterzian <2792687+gterzian@users.noreply.github.com> * in pull steps, reject promise if pull algo throws Signed-off-by: gterzian <2792687+gterzian@users.noreply.github.com> * if start algorithm fails, rethrow the error Signed-off-by: gterzian <2792687+gterzian@users.noreply.github.com> * when the strategy size fails, directly get the pending exception and use it to error the stream Signed-off-by: gterzian <2792687+gterzian@users.noreply.github.com> * add error handling to enqueue value with size Signed-off-by: gterzian <2792687+gterzian@users.noreply.github.com> * when enqueueing a value errors, ensure we error and stream with the same error used to throw an exception Signed-off-by: gterzian <2792687+gterzian@users.noreply.github.com> --------- Signed-off-by: gterzian <2792687+gterzian@users.noreply.github.com> Signed-off-by: Taym <haddadi.taym@gmail.com> Signed-off-by: Taym Haddadi <haddadi.taym@gmail.com> * fix native use of streams (#34468) Signed-off-by: gterzian <2792687+gterzian@users.noreply.github.com> Signed-off-by: Taym <haddadi.taym@gmail.com> Signed-off-by: Taym Haddadi <haddadi.taym@gmail.com> * Implement readablestreamdefaulttee (#34405) * Implement readablestreamdefaulttee Signed-off-by: Taym <haddadi.taym@gmail.com> * Create UnderlyingSourceType::Tee each stream Signed-off-by: Taym <haddadi.taym@gmail.com> * Use Dom instead of DomRoot Signed-off-by: Taym <haddadi.taym@gmail.com> * Queue a microtask for readRequest chunk steps Signed-off-by: Taym <haddadi.taym@gmail.com> * fix create_readable_stream Signed-off-by: Taym <haddadi.taym@gmail.com> * Remove unnecessary Rc Signed-off-by: Taym <haddadi.taym@gmail.com> * Use correct doc link Signed-off-by: Taym <haddadi.taym@gmail.com> * Add #[allow(crown::unrooted_must_root)] Signed-off-by: Taym <haddadi.taym@gmail.com> * Fix crash in ClosedPromiseRejectionHandler Signed-off-by: Taym <haddadi.taym@gmail.com> * reflect TeeReadRequest and TeeUnderlyingSource Signed-off-by: Taym <haddadi.taym@gmail.com> * fix can_gc Signed-off-by: Taym <haddadi.taym@gmail.com> * reflect tee source, and fix use of mutable dom for tee source and request Signed-off-by: gterzian <2792687+gterzian@users.noreply.github.com> * Fix typo that resolves multiple test failures in 'Tee' tests Signed-off-by: Taym <haddadi.taym@gmail.com> * Fix readable-streams/tee.any.js test Signed-off-by: Taym <haddadi.taym@gmail.com> --------- Signed-off-by: Taym <haddadi.taym@gmail.com> Signed-off-by: gterzian <2792687+gterzian@users.noreply.github.com> Co-authored-by: gterzian <2792687+gterzian@users.noreply.github.com> Signed-off-by: Taym <haddadi.taym@gmail.com> Signed-off-by: Taym Haddadi <haddadi.taym@gmail.com> * Align ReadableStreamDefaultReader with spec and fix additional tests in default-reader.any.js (#34531) And fix crate::DomTypeHolder usage * Align ReadableStreamDefaultReader with spec and fix additional tests in default-reader.any.js Signed-off-by: Taym <haddadi.taym@gmail.com> * make reader rooted in Constructor and acquire_default_reader Signed-off-by: Taym <haddadi.taym@gmail.com> * Remove spaces Signed-off-by: Taym <haddadi.taym@gmail.com> --------- Signed-off-by: Taym <haddadi.taym@gmail.com> Signed-off-by: Taym Haddadi <haddadi.taym@gmail.com> * Streams: fetch stream chunks should be uint8 arrays (#34553) * fetch stream chunks should be uint8 arrays Signed-off-by: gterzian <2792687+gterzian@users.noreply.github.com> * fix clippy Signed-off-by: Taym Haddadi <haddadi.taym@gmail.com> --------- Signed-off-by: gterzian <2792687+gterzian@users.noreply.github.com> Signed-off-by: Taym Haddadi <haddadi.taym@gmail.com> Co-authored-by: Taym Haddadi <haddadi.taym@gmail.com> Signed-off-by: Taym <haddadi.taym@gmail.com> Signed-off-by: Taym Haddadi <haddadi.taym@gmail.com> * Update wpt test for ReadableStream reimplementation (#34579) Signed-off-by: Taym <haddadi.taym@gmail.com> Signed-off-by: Taym Haddadi <haddadi.taym@gmail.com> * Fix ignore_malloc_size_of in readablestream tee (#34578) Signed-off-by: Taym <haddadi.taym@gmail.com> Signed-off-by: Taym Haddadi <haddadi.taym@gmail.com> * Remove incorrect use of handle array, fail test safely by giving only one reason (#34560) Signed-off-by: gterzian <2792687+gterzian@users.noreply.github.com> Signed-off-by: Taym <haddadi.taym@gmail.com> Signed-off-by: Taym Haddadi <haddadi.taym@gmail.com> * Update more wpt test for ReadableStream reimplementation (#34598) Signed-off-by: Taym <haddadi.taym@gmail.com> Signed-off-by: Taym Haddadi <haddadi.taym@gmail.com> * Fix doc and rename Tee to DefaultTee (#34612) Signed-off-by: Taym <haddadi.taym@gmail.com> Signed-off-by: Taym Haddadi <haddadi.taym@gmail.com> * fix: Address review comments Signed-off-by: Taym <haddadi.taym@gmail.com> Signed-off-by: Taym Haddadi <haddadi.taym@gmail.com> * Update response-stream-with-broken-then.any.js.ini test expectation Signed-off-by: Taym Haddadi <haddadi.taym@gmail.com> * fix reflect_dom_object can_gc Signed-off-by: Taym Haddadi <haddadi.taym@gmail.com> * Fix compositeReason for DefaultTeeUnderlyingSource (#34627) * Fix compositeReason for DefaultTeeUnderlyingSource Signed-off-by: Taym Haddadi <haddadi.taym@gmail.com> * Update test Signed-off-by: Taym Haddadi <haddadi.taym@gmail.com> --------- Signed-off-by: Taym Haddadi <haddadi.taym@gmail.com> * Last fixes stream (#34636) * remove now unsused from_js method of readable stream * fix documenation of error steps * return type error instread of panicking on a todo, when trying to construct a stream of type bytes Signed-off-by: gterzian <2792687+gterzian@users.noreply.github.com> --------- Signed-off-by: Gregory Terzian <2792687+gterzian@users.noreply.github.com> * fix crown rooting related errors (#34662) Signed-off-by: Gregory Terzian <2792687+gterzian@users.noreply.github.com> --------- Signed-off-by: Taym <haddadi.taym@gmail.com> Signed-off-by: gterzian <2792687+gterzian@users.noreply.github.com> Signed-off-by: Taym Haddadi <haddadi.taym@gmail.com> Signed-off-by: Gregory Terzian <2792687+gterzian@users.noreply.github.com> Co-authored-by: Wu Wayne <yuweiwu@pm.me> Co-authored-by: Taym Haddadi <haddadi.taym@gmail.com>
This commit is contained in:
Gregory Terzian
GitHub
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48 changed files with 3792 additions and 548 deletions
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components/script/dom/countqueuingstrategy.rs
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components/script/dom/countqueuingstrategy.rs
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/* 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 http://mozilla.org/MPL/2.0/. */
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use std::rc::Rc;
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use dom_struct::dom_struct;
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use js::jsapi::{CallArgs, JSContext};
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use js::jsval::{Int32Value, JSVal};
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use js::rust::HandleObject;
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|
||||
use super::bindings::codegen::Bindings::FunctionBinding::Function;
|
||||
use super::bindings::codegen::Bindings::QueuingStrategyBinding::{
|
||||
CountQueuingStrategyMethods, QueuingStrategy, QueuingStrategyInit, QueuingStrategySize,
|
||||
};
|
||||
use super::bindings::import::module::{DomObject, DomRoot, Error, Fallible, Reflector};
|
||||
use super::bindings::reflector::reflect_dom_object_with_proto;
|
||||
use super::types::GlobalScope;
|
||||
use crate::script_runtime::CanGc;
|
||||
use crate::{native_fn, native_raw_obj_fn};
|
||||
|
||||
#[dom_struct]
|
||||
pub struct CountQueuingStrategy {
|
||||
reflector_: Reflector,
|
||||
high_water_mark: f64,
|
||||
}
|
||||
|
||||
impl CountQueuingStrategy {
|
||||
pub fn new_inherited(init: f64) -> Self {
|
||||
Self {
|
||||
reflector_: Reflector::new(),
|
||||
high_water_mark: init,
|
||||
}
|
||||
}
|
||||
|
||||
pub fn new(
|
||||
global: &GlobalScope,
|
||||
proto: Option<HandleObject>,
|
||||
init: f64,
|
||||
can_gc: CanGc,
|
||||
) -> DomRoot<Self> {
|
||||
reflect_dom_object_with_proto(Box::new(Self::new_inherited(init)), global, proto, can_gc)
|
||||
}
|
||||
}
|
||||
|
||||
impl CountQueuingStrategyMethods<crate::DomTypeHolder> for CountQueuingStrategy {
|
||||
/// <https://streams.spec.whatwg.org/#cqs-constructor>
|
||||
fn Constructor(
|
||||
global: &GlobalScope,
|
||||
proto: Option<HandleObject>,
|
||||
can_gc: CanGc,
|
||||
init: &QueuingStrategyInit,
|
||||
) -> DomRoot<Self> {
|
||||
Self::new(global, proto, init.highWaterMark, can_gc)
|
||||
}
|
||||
|
||||
/// <https://streams.spec.whatwg.org/#cqs-high-water-mark>
|
||||
fn HighWaterMark(&self) -> f64 {
|
||||
self.high_water_mark
|
||||
}
|
||||
|
||||
/// <https://streams.spec.whatwg.org/#cqs-size>
|
||||
fn GetSize(&self) -> Fallible<Rc<Function>> {
|
||||
let global = self.reflector_.global();
|
||||
// Return this's relevant global object's count queuing strategy
|
||||
// size function.
|
||||
if let Some(fun) = global.get_count_queuing_strategy_size() {
|
||||
return Ok(fun);
|
||||
}
|
||||
|
||||
// Step 1. Let steps be the following steps, given chunk
|
||||
// Note: See ByteLengthQueuingStrategySize instead.
|
||||
|
||||
// Step 2. Let F be !CreateBuiltinFunction(steps, 1, "size", « »,
|
||||
// globalObject’s relevant Realm).
|
||||
let fun = native_fn!(count_queuing_strategy_size, c"size", 0, 0);
|
||||
// Step 3. Set globalObject’s count queuing strategy size function to
|
||||
// a Function that represents a reference to F,
|
||||
// with callback context equal to globalObject’s relevant settings object.
|
||||
global.set_count_queuing_strategy_size(fun.clone());
|
||||
Ok(fun)
|
||||
}
|
||||
}
|
||||
|
||||
/// <https://streams.spec.whatwg.org/#count-queuing-strategy-size-function>
|
||||
#[allow(unsafe_code)]
|
||||
pub unsafe fn count_queuing_strategy_size(_cx: *mut JSContext, argc: u32, vp: *mut JSVal) -> bool {
|
||||
let args = CallArgs::from_vp(vp, argc);
|
||||
// Step 1.1. Return 1.
|
||||
args.rval().set(Int32Value(1));
|
||||
true
|
||||
}
|
||||
|
||||
/// Extract the high water mark from a QueuingStrategy.
|
||||
/// If the high water mark is not set, return the default value.
|
||||
///
|
||||
/// <https://streams.spec.whatwg.org/#validate-and-normalize-high-water-mark>
|
||||
pub fn extract_high_water_mark(strategy: &QueuingStrategy, default_hwm: f64) -> Result<f64, Error> {
|
||||
if strategy.highWaterMark.is_none() {
|
||||
return Ok(default_hwm);
|
||||
}
|
||||
|
||||
let high_water_mark = strategy.highWaterMark.unwrap();
|
||||
if high_water_mark.is_nan() || high_water_mark < 0.0 {
|
||||
return Err(Error::Range(
|
||||
"High water mark must be a non-negative number.".to_string(),
|
||||
));
|
||||
}
|
||||
|
||||
Ok(high_water_mark)
|
||||
}
|
||||
|
||||
/// Extract the size algorithm from a QueuingStrategy.
|
||||
/// If the size algorithm is not set, return a fallback function which always returns 1.
|
||||
///
|
||||
/// <https://streams.spec.whatwg.org/#make-size-algorithm-from-size-function>
|
||||
pub fn extract_size_algorithm(strategy: &QueuingStrategy) -> Rc<QueuingStrategySize> {
|
||||
if strategy.size.is_none() {
|
||||
let cx = GlobalScope::get_cx();
|
||||
let fun_obj = native_raw_obj_fn!(cx, count_queuing_strategy_size, c"size", 0, 0);
|
||||
#[allow(unsafe_code)]
|
||||
unsafe {
|
||||
return QueuingStrategySize::new(cx, fun_obj);
|
||||
};
|
||||
}
|
||||
strategy.size.as_ref().unwrap().clone()
|
||||
}
|
||||
Loading…
Add table
Add a link
Reference in a new issue