Readonly rootThis is the root of the results. Remember that you need to open all containers for their contents to be valid.
When a result goes out of scope it will continue to observe changes till it is cycle collected. While the result waits to be collected it will stay in memory, and continue to update itself, potentially causing unwanted additional work. When you close the root node the result will stop observing changes, so it is good practice to close the root node when you are done with a result, since that will avoid unwanted performance hits.
Sorts all nodes recursively by the given parameter, one of nsINavHistoryQueryOptions.SORT_BY_* This will update the corresponding options for this result, so that re-using the current options/queries will always give you the current view.
Whether or not notifications on result changes are suppressed. Initially set to false.
Use this to avoid flickering and to improve performance when you do temporary changes to the result structure (e.g. when searching for a node recursively).
Optional aInstancePtr: objectA run time mechanism for interface discovery.
NS_OK if the interface is supported by the associated instance, NS_NOINTERFACE if it is not.
aInstancePtr must not be null.
[in] A requested interface IID
[out] A pointer to an interface pointer to receive the result.
Adds an observer for changes done in the result.
nsINavHistoryResultObserver
a result observer.
If false, the result will keep an owning reference to the observer, which must be removed using removeObserver. If true, the result will keep a weak reference to the observer, which must implement nsISupportsWeakReference.
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The result of a history/bookmark query.