User:Uri/Gecko:Continuation Model: Difference between revisions

User:Uri/Gecko:Continuation Model (view source)

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 The first frame for an element is called the primary frame. The other frames are called continuation frames. Primary frames are created by nsCSSFrameConstructor in response to content insertion notifications. Continuation frames are created during bidi resulution, and during reflow, when reflow detects that a content element cannot be fully laid out within the constraints assigned (e.g., when inline text will not fit within a particular width constraint, or when a block cannot be laid out within a particular height constraint).
-Continuation frames created during reflow are called "fluid" continuations (or "in-flows"). Other continuation frames (currently, those created during bidi resolution), are, in contrast, "non-fluid". Fluid continuations have the NS_FRAME_IS_FLUID_CONTINUATION state bit set, whereas non-fluid continuations have it cleared.
+Continuation frames created during reflow are called "fluid" continuations (or "in-flows"). Other continuation frames (currently, those created during bidi resolution), are, in contrast, "non-fluid". The NS_FRAME_IS_FLUID_CONTINUATION state bit indicates whether a continuation frame is fluid or not.
 The frames for an element are put in a doubly-linked list. The links are accessible via nsIFrame::GetNextContinuation and nsIFrame::GetPrevContinuation. If only fluid continuations are to be accessed, nsIFrame::GetNextInFlow and nsIFrame::GetPrevInFlow are used instead.