Improve inter-document focus handling (#36649)

*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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@ -25,7 +25,7 @@ use constellation_traits::{LoadData, SWManagerMsg, ScriptToConstellationChan};
use crossbeam_channel::{Sender, unbounded};
use devtools_traits::{DevtoolsControlMsg, ScriptToDevtoolsControlMsg};
use embedder_traits::user_content_manager::UserContentManager;
use embedder_traits::{AnimationState, ViewportDetails};
use embedder_traits::{AnimationState, FocusSequenceNumber, ViewportDetails};
use fonts::{SystemFontServiceProxy, SystemFontServiceProxySender};
use ipc_channel::Error;
use ipc_channel::ipc::{self, IpcReceiver, IpcSender};
@ -102,6 +102,8 @@ pub struct Pipeline {
/// The last compositor [`Epoch`] that was laid out in this pipeline if "exit after load" is
/// enabled.
pub layout_epoch: Epoch,
pub focus_sequence: FocusSequenceNumber,
}
/// Initial setup data needed to construct a pipeline.
@ -370,6 +372,7 @@ impl Pipeline {
completely_loaded: false,
title: String::new(),
layout_epoch: Epoch(0),
focus_sequence: FocusSequenceNumber::default(),
};
pipeline.set_throttled(throttled);