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    nsIContentPrefObserver

    This interface allows code to easily watch for changes to the values of content preferences.
    1.0
    29.0.1
    Introduced
    Gecko 1.9
    Inherits from: nsISupports Last changed in Gecko 1.9 (Firefox 3)

    Method overview

    void onContentPrefRemoved(in AString aGroup, in AString aName);
    void onContentPrefSet(in AString aGroup, in AString aName, in nsIVariant aValue);

    Methods

    onContentPrefRemoved()

    Called when a content preference is removed.

    void onContentPrefRemoved(
      in AString aGroup,
      in AString aName
    );
    
    Parameters
    aGroup
    The group to which the removed preference belonged; this may be the URI of a web site. This value is null if the preference was global, applying to all web sites.
    aName
    The name of the preference that was removed.

    onContentPrefSet()

    Called when the value of a preference is set (either by changing its current value or by creating the preference).

    void onContentPrefSet(
      in AString aGroup,
      in AString aName,
      in nsIVariant aValue
    );
    
    Parameters
    aGroup
    The group to which the preference belongs; this may be the URI of a web site. This value is null if the preference is global, applying to all web sites.
    aName
    The name of the preference whose value has changed.
    aValue
    The preference's new value.

    See also

    Document Tags and Contributors

    Contributors to this page: Sheppy, teoli, trevorh, Kohei
    Last updated by: teoli,