The purpose of this interface is to allow a direct communication between
a KPart and the hosting browser shell (for example Konqueror) . A
shell implementing this interface can propagate it to embedded kpart
components by using the setBrowserInterface call of the part's
KParts.BrowserExtension object.
This interface looks not very rich, but the main functionality is
implemented using the callMethod method for part->shell
communication and using Qt properties for allowing a part to
to explicitly query information from the shell.
Konqueror in particular, as 'reference' implementation, provides
the following functionality through this interface:
Qt properties:
Q_PROPERTY( uint historyLength READ historyLength );
Callable methods:
void goHistory( int );
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