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Improve inter-document focus handling (#36649)

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*Describe the changes that this pull request makes here. This will be
the commit message.*
rewritten the PR #28571
Implement
[Window#focus](https://html.spec.whatwg.org/multipage/#dom-window-focus),
[Window#blur](https://html.spec.whatwg.org/multipage/#dom-window-blur)
Testing: WPT
Fixes: #8981 #9421

---------

Signed-off-by: kongbai1996 <1782765876@qq.com>
Co-authored-by: yvt <i@yvt.jp>
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Fuguo 2025-04-30 12:37:53 +08:00 • committed by GitHub
parent 27570987fd
commit 0c0ee04b8e
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33 changed files with 1123 additions and 242 deletions
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14
components/shared/script/lib.rs
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@ -27,8 +27,8 @@ use crossbeam_channel::{RecvTimeoutError, Sender};
use devtools_traits::ScriptToDevtoolsControlMsg;
use embedder_traits::user_content_manager::UserContentManager;
use embedder_traits::{
CompositorHitTestResult, InputEvent, MediaSessionActionType, Theme, ViewportDetails,
WebDriverScriptCommand,
CompositorHitTestResult, FocusSequenceNumber, InputEvent, MediaSessionActionType, Theme,
ViewportDetails, WebDriverScriptCommand,
};
use euclid::{Rect, Scale, Size2D, UnknownUnit};
use ipc_channel::ipc::{IpcReceiver, IpcSender};
@ -191,7 +191,15 @@ pub enum ScriptThreadMessage {
RemoveHistoryStates(PipelineId, Vec<HistoryStateId>),
/// Set an iframe to be focused. Used when an element in an iframe gains focus.
/// PipelineId is for the parent, BrowsingContextId is for the nested browsing context
FocusIFrame(PipelineId, BrowsingContextId),
FocusIFrame(PipelineId, BrowsingContextId, FocusSequenceNumber),
/// Focus the document. Used when the container gains focus.
FocusDocument(PipelineId, FocusSequenceNumber),
/// Notifies that the document's container (e.g., an iframe) is not included
/// in the top-level browsing context's focus chain (not considering system
/// focus) anymore.
///
/// Obviously, this message is invalid for a top-level document.
Unfocus(PipelineId, FocusSequenceNumber),
/// Passes a webdriver command to the script thread for execution
WebDriverScriptCommand(PipelineId, WebDriverScriptCommand),
/// Notifies script thread that all animations are done