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path: root/components/script/task_source.rs
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* script: add skeleton implementation of `FontFace` API (#35262)Mukilan Thiyagarajan2025-02-191-0/+4
| | | | | | | | | | | | | | | | This patch implements the `FontFace` interface, but with some caveats 1. The interface is only exposed on `Window`. Support for Workers will be handled in the future. 2. The concept of `css-connected` `FontFace` is not implemented, so `@font-face` rules in stylesheets will not be represented in the DOM. 3. The constructor only supports using `url()` strings as source and `ArrayBuffer` and `ArrayBufferView` are not supported yet. A skeleton implementation of the `load` method of `FontFaceSet` is also implemented in this patch. The intention is to support some web pages that don't load without this method. Signed-off-by: Mukilan Thiyagarajan <mukilan@igalia.com>
* Implement HTMLCanvasElement.toBlob (#34938)webbeef2025-01-101-0/+3
| | | | | | | This refactors some of the code that is shared with toDataURL, and updates the webidl definition to match the current spec (using a default value for the mime type). Signed-off-by: webbeef <me@webbeef.org>
* script: Limit public exports. (#34915)Josh Matthews2025-01-101-8/+8
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | * script: Restrict reexport visibility of DOM types. Signed-off-by: Josh Matthews <josh@joshmatthews.net> * script: Mass pub->pub(crate) conversion. Signed-off-by: Josh Matthews <josh@joshmatthews.net> * script: Hide existing dead code warnings. Signed-off-by: Josh Matthews <josh@joshmatthews.net> * Formatting. Signed-off-by: Josh Matthews <josh@joshmatthews.net> * Fix clippy warnings. Signed-off-by: Josh Matthews <josh@joshmatthews.net> * Formatting. Signed-off-by: Josh Matthews <josh@joshmatthews.net> * Fix unit tests. Signed-off-by: Josh Matthews <josh@joshmatthews.net> * Fix clippy. Signed-off-by: Josh Matthews <josh@joshmatthews.net> * More formatting. Signed-off-by: Josh Matthews <josh@joshmatthews.net> --------- Signed-off-by: Josh Matthews <josh@joshmatthews.net>
* script: Use `enum`s for event loop senders and receivers (#34896)Martin Robinson2025-01-081-5/+5
| | | | | | | | | | | | | | | | | | | | | | | Previously, senders and receivers to different kinds of event loops (the main `ScriptThread`, different types of workers) used a rust `trait` mechanism to implement dynamic behavior. This led to having many unused implementations of this `trait`. This change moves to using an `enum` based approach for these senders and receivers and removes all of the dead code. In addition, to allowing for use of rust's dead code detection, it simplifies the code a great deal. All of these generic senders and receivers are moved to the `messaging.rs` file and given proper documentation. Finally, empty an `JSTraceable` implementation is made for all crossbeam `Sender<...>`s to avoid having to manually skip them everytime they are included in structs. The pre-existing empty `MallocSizeOf` implementation is used more thoroughly. Other unecessary wrappers around these senders and receivers are removed as well. Signed-off-by: Martin Robinson <mrobinson@igalia.com>
* script: Unsilence all main thread `TaskQueue` errors (#34849)Martin Robinson2025-01-071-34/+87
| | | | | | | | | | | | No longer hide errors while queueing tasks on the main thread. This requires creating two types of `TaskSource`s: one for the main thread and one that can be sent to other threads. This makes queueing a bit more efficient on the main thread and more importantly, no longer hides task queue errors. Fixes #25688. Signed-off-by: Martin Robinson <mrobinson@igalia.com> Co-authored-by: Mukilan Thiyagarajan <mukilan@igalia.com>
* script: Move `TaskManager` to `GlobalScope` (#34827)Martin Robinson2025-01-041-23/+8
| | | | | | | | | | | | | | | | | | | | This is a simplification of the internal `TaskQueue` API that moves the `TaskManager` to the `GlobalScope` itself. In addition, the handling of cancellers is moved to the `TaskManager` as well. This means that no arguments other than the `task` are necessary for queueing tasks, which makes the API a lot easier to use and cleaner. `TaskSource` now also keeps a copy of the canceller with it, so that they always know the proper way to cancel any tasks queued on them. There is one complication here. The event loop `sender` for dedicated workers is constantly changing as it is set to `None` when not handling messages. This is because this sender keeps a handle to the main thread's `Worker` object, preventing garbage collection while any messages are still in flight or being handled. This change allows setting the `sender` on the `TaskManager` to `None` to allow proper garbabge collection. Signed-off-by: Martin Robinson <mrobinson@igalia.com>
* script: Eliminate code duplication in the task queue (#34798)Martin Robinson2025-01-011-0/+174
Instead of creating a type for each `TaskSource` variety have each `TaskSource` hold the same kind of sender (this was inconsistent before, but each sender was effectively the same trait object), a pipeline, and a `TaskSourceName`. This elminates the need to reimplement the same queuing code for every task source. In addition, have workers hold their own `TaskManager`. This allows just exposing the manager on the `GlobalScope`. Currently the `TaskCanceller` is different, but this will also be eliminated in a followup change. This is a the first step toward having a shared set of `Sender`s on `GlobalScope`. Signed-off-by: Martin Robinson <mrobinson@igalia.com>