Package org.eclipse.jface.text
Interface IWidgetTokenOwnerExtension
- All Known Implementing Classes:
ProjectionViewer
,SourceViewer
,TextConsoleViewer
,TextViewer
public interface IWidgetTokenOwnerExtension
Extension interface for
IWidgetTokenOwner
.
Replaces the original requestWidgetToken
functionality with a
new priority based approach.
- Since:
- 3.0
-
Method Summary
Modifier and TypeMethodDescriptionboolean
requestWidgetToken
(IWidgetTokenKeeper requester, int priority) Requests the widget token from this token owner.
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Method Details
-
requestWidgetToken
Requests the widget token from this token owner. Returnstrue
if the token has been acquired or is already owned by the requester. This method is non-blocking.priority
is forwarded to any existing token keeper to give it an estimate on whether the request has higher priority than the current keeper's. There is, however, no guarantee that another keeper will release the token even if it has a high priority.- Parameters:
requester
- the token requesterpriority
- the priority of the request- Returns:
true
if requester acquires the token,false
otherwise
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