Obsolete since Gecko 1.9.2 (Firefox 3.6 / Thunderbird 3.1 / Fennec 1.0)
This feature is obsolete. Although it may still work in some browsers, its use is discouraged since it could be removed at any time. Try to avoid using it.
A private interface to operate with tree accessible.
accessible/public/nsIAccessibleTreeCache.idlNot scriptable
Last changed in Gecko 1.9.1 (Firefox 3.5 / Thunderbird 3.0 / SeaMonkey 2.0)
Inherits from: nsISupports
Method overview
nsIAccessible getCachedTreeitemAccessible(in long aRow, in nsITreeColumn aColumn); |
void invalidateCache(in long aRow, in long aCount); |
void treeViewChanged(); |
void treeViewInvalidated(in long aStartRow, in long aEndRow, in long aStartCol, in long aEndCol); |
Methods
getCachedTreeitemAccessible()
Returns the tree item from the cache for the cell in the specified row and column; the nsIAccessible is created if it doesn't already exist in the cache.
nsIAccessible getCachedTreeitemAccessible( in long aRow, in nsITreeColumn aColumn );
Parameters
aRow- The row index.
aColumn- The column object. If is is
nullthen the primary column is used. It makes sense for ATK only.
Return value
The nsIAccessible corresponding to the specified tree cell.
Requires Gecko 1.9.1 (Firefox 3.5 / Thunderbird 3.0 / SeaMonkey 2.0)
invalidateCache()
Invalidates the number of cached treeitem accessibles.
void invalidateCache( in long aRow, in long aCount );
Parameters
aRow- Row index the invalidation starts from.
aCount- The number of treeitem accessibles to invalidate, the number sign specifies whether rows have been inserted (plus) or removed (minus)
Requires Gecko 1.9.1 (Firefox 3.5 / Thunderbird 3.0 / SeaMonkey 2.0)
treeViewChanged()
Invalidates children created for the previous tree view.
void treeViewChanged();
Parameters
None.
Requires Gecko 1.9.1 (Firefox 3.5 / Thunderbird 3.0 / SeaMonkey 2.0)
treeViewInvalidated()
Fires name change events for invalidated area of tree.
void treeViewInvalidated( in long aStartRow, in long aEndRow, in long aStartCol, in long aEndCol );
Parameters
aStartRow- Row index invalidation starts from.
aEndRow- Row index invalidation ends, -1 means the last row index.
aStartCol- Column index invalidation starts from.
aEndCol- Column index invalidation ends, -1 means the last column index.