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Initial internal support for multiple webviews (#31417)

Browse source 
* Add multiple concurrent top-level browsing contexts

Co-authored-by: Delan Azabani <dazabani@igalia.com>

* Rename variables and comments

There are some variable and comments still use browser as names.
This commit renames them to webview.

* Update log message from web view to webview

* Revert offscreen_framebuffer_id rename

* Rename all web view to webview

* Cargo fmt

* Fix viewport/event/clear coordinates when multiview is disabled

* Only deprecate things when multiview is enabled

* Update WebViewManger with shown and invisible sets

Replace visible_webviews and native_window_is_visible with shown_webviews
and invisible_webviews. Add 4 more methods to set them accordingly. The
behavior of is_effectively_visible will return true if the wbview is in
shown_webviews set but not in invisible_webviews.

* Update variant behaviors

* Rename WebViewVisibilityChanged to MarkWebViewInvisible

* Fix unit test by marking id 3 visible again

* Update MarkWebViewInvisible and add UnmarkWebViewInvisible

* Update format and doc comments

* Clean up doc comments

* Address style and naming changes

* Rename UpdateWebView to UpdateFrameTreeForWebView

* constellation: send frame tree unconditionally over focus and feature

* Clarify shown and invisible sets in constellation WebViewManager

* Eliminate forward_to_constellation!()

* Actually remove the unused macro

* Don’t gate compositor changes on multiview feature flag

* Update todo in mouse event dispatch

* Pass all visible webview ids in a single ReadyToPresent message

* Fix compile and lint errors

* servoshell: fix gap between minibrowser toolbar and webview

* Fix failure in /_mozilla/mozilla/window_resizeTo.html

* Fix compile warnings

* Remove stray dbg!()

* Remove confusing “effectively visible” logic (see #31815, #31816)

* Allow embedder to show/hide/raise webviews without ipc

* Update root pipeline only when painting order actually changes

* Stop gating old focus and SetFrameTree behaviour behind Cargo feature

* Use webview_id and WebViewId in webview-related code

* Improve logging of webview-related embedder events

* Allow webview Show and Raise events to optionally hide all others

* Don’t do anything in response to WebViewPaintingOrder

* Remove WebViewPaintingOrder, since its payload is unreliable

* On MoveResizeWebView, only update root pipeline if rect changed

* Rename IOCompositor methods for clarity

* compositor: add event tracing; log webview ops even without ipc

* Add temporary debug logging

* Add more temporary debug logging

* Remove temporary logging in compositor

* Remove temporary debug logging

* Add temporary debug logging, but defer I/O until panic

* Capture a backtrace with each crash log entry

* Proper error handling without panicking in WebViewManager

* Clean up imports in constellation

---------

Co-authored-by: Delan Azabani <dazabani@igalia.com>
Co-authored-by: Martin Robinson <mrobinson@igalia.com>
This commit is contained in:
Ngo Iok Ui (Wu Yu Wei) 2024-04-03 20:06:28 +09:00 • committed by GitHub
parent 18b37e676b
commit 66878fb834
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21 changed files with 1142 additions and 434 deletions
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70
components/constellation/webview.rs
View file

@ -101,12 +101,12 @@ mod test {
use msg::constellation_msg::{
BrowsingContextId, BrowsingContextIndex, PipelineNamespace, PipelineNamespaceId,
TopLevelBrowsingContextId,
TopLevelBrowsingContextId, WebViewId,
};
use crate::webview::WebViewManager;
fn top_level_id(namespace_id: u32, index: u32) -> TopLevelBrowsingContextId {
fn id(namespace_id: u32, index: u32) -> WebViewId {
TopLevelBrowsingContextId(BrowsingContextId {
namespace_id: PipelineNamespaceId(namespace_id),
index: BrowsingContextIndex(NonZeroU32::new(index).expect("Incorrect test case")),
@ -115,7 +115,7 @@ mod test {
fn webviews_sorted<WebView: Clone>(
webviews: &WebViewManager<WebView>,
) -> Vec<(TopLevelBrowsingContextId, WebView)> {
) -> Vec<(WebViewId, WebView)> {
let mut keys = webviews.webviews.keys().collect::<Vec<_>>();
keys.sort();
keys.iter()
@ -138,59 +138,59 @@ mod test {
let mut webviews = WebViewManager::default();
// add() adds the webview to the map, but does not focus it.
webviews.add(TopLevelBrowsingContextId::new(), 'a');
webviews.add(TopLevelBrowsingContextId::new(), 'b');
webviews.add(TopLevelBrowsingContextId::new(), 'c');
webviews.add(WebViewId::new(), 'a');
webviews.add(WebViewId::new(), 'b');
webviews.add(WebViewId::new(), 'c');
assert_eq!(
webviews_sorted(&webviews),
vec![
(top_level_id(0, 1), 'a'),
(top_level_id(0, 2), 'b'),
(top_level_id(0, 3), 'c'),
]
vec![(id(0, 1), 'a'), (id(0, 2), 'b'), (id(0, 3), 'c'),]
);
assert!(webviews.focus_order.is_empty());
assert_eq!(webviews.is_focused, false);
// focus() makes the given webview the latest in focus order.
webviews.focus(top_level_id(0, 2));
assert_eq!(webviews.focus_order, vec![top_level_id(0, 2)]);
webviews.focus(id(0, 2));
assert_eq!(webviews.focus_order, vec![id(0, 2)]);
assert_eq!(webviews.is_focused, true);
webviews.focus(top_level_id(0, 1));
assert_eq!(
webviews.focus_order,
vec![top_level_id(0, 2), top_level_id(0, 1)]
);
webviews.focus(id(0, 1));
assert_eq!(webviews.focus_order, vec![id(0, 2), id(0, 1)]);
assert_eq!(webviews.is_focused, true);
webviews.focus(top_level_id(0, 3));
assert_eq!(
webviews.focus_order,
vec![top_level_id(0, 2), top_level_id(0, 1), top_level_id(0, 3)]
);
webviews.focus(id(0, 3));
assert_eq!(webviews.focus_order, vec![id(0, 2), id(0, 1), id(0, 3)]);
assert_eq!(webviews.is_focused, true);
// unfocus() clears the “is focused” flag, but does not touch the focus order.
webviews.unfocus();
assert_eq!(
webviews.focus_order,
vec![top_level_id(0, 2), top_level_id(0, 1), top_level_id(0, 3)]
);
assert_eq!(webviews.focus_order, vec![id(0, 2), id(0, 1), id(0, 3)]);
assert_eq!(webviews.is_focused, false);
// focus() avoids duplicates in focus order, when the given webview has been focused before.
webviews.focus(top_level_id(0, 1));
assert_eq!(
webviews.focus_order,
vec![top_level_id(0, 2), top_level_id(0, 3), top_level_id(0, 1)]
);
webviews.focus(id(0, 1));
assert_eq!(webviews.focus_order, vec![id(0, 2), id(0, 3), id(0, 1)]);
assert_eq!(webviews.is_focused, true);
// remove() clears the “is focused” flag iff the given webview was focused.
webviews.remove(top_level_id(0, 2));
webviews.remove(id(1, 1));
assert_eq!(webviews.is_focused, true);
webviews.remove(top_level_id(0, 1));
webviews.remove(id(1, 2));
assert_eq!(webviews.is_focused, true);
webviews.remove(id(2, 1));
assert_eq!(webviews.is_focused, true);
webviews.remove(id(2, 2));
assert_eq!(webviews.is_focused, true);
webviews.remove(id(2, 3));
assert_eq!(webviews.is_focused, true);
webviews.remove(id(2, 4));
assert_eq!(webviews.is_focused, true);
webviews.remove(id(3, 1));
assert_eq!(webviews.is_focused, true);
webviews.remove(id(4, 1));
assert_eq!(webviews.is_focused, true);
webviews.remove(id(0, 2));
assert_eq!(webviews.is_focused, true);
webviews.remove(id(0, 1));
assert_eq!(webviews.is_focused, false);
webviews.remove(top_level_id(0, 3));
webviews.remove(id(0, 3));
assert_eq!(webviews.is_focused, false);
// remove() removes the given webview from both the map and the focus order.