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layout: Load Web fonts asynchronously.
Improves page load times significantly. Closes #7343.
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8 changed files with 216 additions and 35 deletions
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@ -58,6 +58,9 @@ pub enum LayoutControlMsg {
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TickAnimations,
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/// Informs layout as to which regions of the page are visible.
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SetVisibleRects(Vec<(LayerId, Rect<Au>)>),
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/// Requests the current load state of Web fonts. `true` is returned if fonts are still loading
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/// and `false` is returned if all fonts have loaded.
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GetWebFontLoadState(IpcSender<bool>),
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}
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/// The initial data associated with a newly-created framed pipeline.
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@ -99,7 +102,7 @@ pub enum ScriptState {
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DocumentLoading,
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}
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/// Messages sent from the constellation to the script task
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/// Messages sent from the constellation or layout to the script task.
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pub enum ConstellationControlMsg {
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/// Gives a channel and ID to a layout task, as well as the ID of that layout's parent
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AttachLayout(NewLayoutInfo),
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@ -133,6 +136,9 @@ pub enum ConstellationControlMsg {
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WebDriverScriptCommand(PipelineId, WebDriverScriptCommand),
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/// Notifies script task that all animations are done
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TickAllAnimations(PipelineId),
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/// Notifies the script task that a new Web font has been loaded, and thus the page should be
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/// reflowed.
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WebFontLoaded(PipelineId),
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/// Notifies script that a stylesheet has finished loading.
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StylesheetLoadComplete(PipelineId, Url, Box<StylesheetLoadResponder + Send>),
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/// Get the current state of the script task for a given pipeline.
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