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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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20
components/shared/constellation/from_script_message.rs
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@ -15,7 +15,8 @@ use base::id::{
use canvas_traits::canvas::{CanvasId, CanvasMsg};
use devtools_traits::{DevtoolScriptControlMsg, ScriptToDevtoolsControlMsg, WorkerId};
use embedder_traits::{
AnimationState, EmbedderMsg, MediaSessionEvent, TouchEventResult, ViewportDetails,
AnimationState, EmbedderMsg, FocusSequenceNumber, MediaSessionEvent, TouchEventResult,
ViewportDetails,
};
use euclid::default::Size2D as UntypedSize2D;
use http::{HeaderMap, Method};
@ -519,8 +520,21 @@ pub enum ScriptToConstellationMessage {
UntypedSize2D<u64>,
IpcSender<(IpcSender<CanvasMsg>, CanvasId, ImageKey)>,
),
/// Notifies the constellation that this frame has received focus.
Focus,
/// Notifies the constellation that this pipeline is requesting focus.
///
/// When this message is sent, the sender pipeline has already its local
/// focus state updated. The constellation, after receiving this message,
/// will broadcast messages to other pipelines that are affected by this
/// focus operation.
///
/// The first field contains the browsing context ID of the container
/// element if one was focused.
///
/// The second field is a sequence number that the constellation should use
/// when sending a focus-related message to the sender pipeline next time.
Focus(Option<BrowsingContextId>, FocusSequenceNumber),
/// Requests the constellation to focus the specified browsing context.
FocusRemoteDocument(BrowsingContextId),
/// Get the top-level browsing context info for a given browsing context.
GetTopForBrowsingContext(BrowsingContextId, IpcSender<Option<WebViewId>>),
/// Get the browsing context id of the browsing context in which pipeline is