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dom: Implement minimal IntersectionObserver workflow (#35551)
* Add very rough implemnentation of observation steps Signed-off-by: stevennovaryo <steven.novaryo@gmail.com> * Fix entry reflection and propagate can_gc Signed-off-by: stevennovaryo <steven.novaryo@gmail.com> * Fix BorrowError and add fragment find descendant Signed-off-by: stevennovaryo <steven.novaryo@gmail.com> * Implement is descendant in containing block path correctly Signed-off-by: stevennovaryo <steven.novaryo@gmail.com> * Fix unrooted error and tidy issues Signed-off-by: stevennovaryo <steven.novaryo@gmail.com> * Fix comments Signed-off-by: stevennovaryo <steven.novaryo@gmail.com> * Remove is descendant of other node query I suppose these changes is better separated to other PRs. Signed-off-by: stevennovaryo <steven.novaryo@gmail.com> * Fix intersection and refactor registration Signed-off-by: stevennovaryo <steven.novaryo@gmail.com> * Use AppUnit more and propagate GlobalScope better Signed-off-by: stevennovaryo <steven.novaryo@gmail.com> * Update WPT expectations Signed-off-by: stevennovaryo <steven.novaryo@gmail.com> * Revert delay changes Signed-off-by: stevennovaryo <steven.novaryo@gmail.com> * Align compute intersection algo to other browser actual behavior Signed-off-by: stevennovaryo <steven.novaryo@gmail.com> * Align processing documents and note several issues Signed-off-by: stevennovaryo <steven.novaryo@gmail.com> * Update WPT Signed-off-by: stevennovaryo <steven.novaryo@gmail.com> * Minor lint Signed-off-by: stevennovaryo <steven.novaryo@gmail.com> * Fix top level browsing context Signed-off-by: stevennovaryo <steven.novaryo@gmail.com> * Make Registration rootable Signed-off-by: stevennovaryo <steven.novaryo@gmail.com> * Avoid reflow inside observation step algo Signed-off-by: stevennovaryo <steven.novaryo@gmail.com> * Using borrow for iterating registration Signed-off-by: stevennovaryo <steven.novaryo@gmail.com> * Fix document disconnect Signed-off-by: stevennovaryo <steven.novaryo@gmail.com> * Update WPT Signed-off-by: stevennovaryo <steven.novaryo@gmail.com> * Address comments and minor quality suggestions Signed-off-by: stevennovaryo <steven.novaryo@gmail.com> * Root the observer before nofifying any of it Signed-off-by: stevennovaryo <steven.novaryo@gmail.com> * Tidy docs Signed-off-by: stevennovaryo <steven.novaryo@gmail.com> * Account not found element and refactor observation step Signed-off-by: stevennovaryo <steven.novaryo@gmail.com> * Fix documentations Signed-off-by: stevennovaryo <steven.novaryo@gmail.com> * Ignore position of document viewport Signed-off-by: stevennovaryo <steven.novaryo@gmail.com> * Refactor root intersection rectangle Signed-off-by: stevennovaryo <steven.novaryo@gmail.com> * Add can GC note to the callback Signed-off-by: stevennovaryo <steven.novaryo@gmail.com> * Fix top-level browsing context term Signed-off-by: stevennovaryo <steven.novaryo@gmail.com> * Fix minor comments Signed-off-by: stevennovaryo <steven.novaryo@gmail.com> --------- Signed-off-by: stevennovaryo <steven.novaryo@gmail.com>
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48 changed files with 850 additions and 175 deletions
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@ -509,6 +509,13 @@ impl Window {
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})
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}
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/// Returns the window proxy of the webview, which is the top-level ancestor browsing context.
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/// <https://html.spec.whatwg.org/multipage/#top-level-browsing-context>
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pub(crate) fn webview_window_proxy(&self) -> Option<DomRoot<WindowProxy>> {
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self.undiscarded_window_proxy()
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.and_then(|window_proxy| ScriptThread::find_window_proxy(window_proxy.webview_id().0))
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}
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#[cfg(feature = "bluetooth")]
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pub(crate) fn bluetooth_thread(&self) -> IpcSender<BluetoothRequest> {
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self.bluetooth_thread.clone()
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@ -2214,11 +2221,16 @@ impl Window {
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)
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}
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// Query content box without considering any reflow
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pub(crate) fn content_box_query_unchecked(&self, node: &Node) -> Option<UntypedRect<Au>> {
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self.layout.borrow().query_content_box(node.to_opaque())
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}
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pub(crate) fn content_box_query(&self, node: &Node, can_gc: CanGc) -> Option<UntypedRect<Au>> {
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if !self.layout_reflow(QueryMsg::ContentBox, can_gc) {
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return None;
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}
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self.layout.borrow().query_content_box(node.to_opaque())
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self.content_box_query_unchecked(node)
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}
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pub(crate) fn content_boxes_query(&self, node: &Node, can_gc: CanGc) -> Vec<UntypedRect<Au>> {
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