1 : /* -*- Mode: C++; tab-width: 3; indent-tabs-mode: nil; c-basic-offset: 2 -*-
2 : *
3 : * ***** BEGIN LICENSE BLOCK *****
4 : * Version: MPL 1.1/GPL 2.0/LGPL 2.1
5 : *
6 : * The contents of this file are subject to the Mozilla Public License Version
7 : * 1.1 (the "License"); you may not use this file except in compliance with
8 : * the License. You may obtain a copy of the License at
9 : * http://www.mozilla.org/MPL/
10 : *
11 : * Software distributed under the License is distributed on an "AS IS" basis,
12 : * WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
13 : * for the specific language governing rights and limitations under the
14 : * License.
15 : *
16 : * The Original Code is the Mozilla browser.
17 : *
18 : * The Initial Developer of the Original Code is
19 : * Netscape Communications, Inc.
20 : * Portions created by the Initial Developer are Copyright (C) 1999
21 : * the Initial Developer. All Rights Reserved.
22 : *
23 : * Contributor(s):
24 : * Dave Hyatt <hyatt@mozilla.org> (Original Author)
25 : * Brian Ryner <bryner@brianryner.com>
26 : * Jan Varga <varga@ku.sk>
27 : *
28 : * Alternatively, the contents of this file may be used under the terms of
29 : * either of the GNU General Public License Version 2 or later (the "GPL"),
30 : * or the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
31 : * in which case the provisions of the GPL or the LGPL are applicable instead
32 : * of those above. If you wish to allow use of your version of this file only
33 : * under the terms of either the GPL or the LGPL, and not to allow others to
34 : * use your version of this file under the terms of the MPL, indicate your
35 : * decision by deleting the provisions above and replace them with the notice
36 : * and other provisions required by the GPL or the LGPL. If you do not delete
37 : * the provisions above, a recipient may use your version of this file under
38 : * the terms of any one of the MPL, the GPL or the LGPL.
39 : *
40 : * ***** END LICENSE BLOCK ***** */
41 :
42 : #ifndef nsTreeSelection_h__
43 : #define nsTreeSelection_h__
44 :
45 : #include "nsITreeSelection.h"
46 : #include "nsITreeColumns.h"
47 : #include "nsITimer.h"
48 : #include "nsCycleCollectionParticipant.h"
49 :
50 : class nsITreeBoxObject;
51 : struct nsTreeRange;
52 :
53 : class nsTreeSelection : public nsINativeTreeSelection
54 : {
55 : public:
56 : nsTreeSelection(nsITreeBoxObject* aTree);
57 : ~nsTreeSelection();
58 :
59 0 : NS_DECL_CYCLE_COLLECTING_ISUPPORTS
60 1464 : NS_DECL_CYCLE_COLLECTION_CLASS(nsTreeSelection)
61 : NS_DECL_NSITREESELECTION
62 :
63 : // nsINativeTreeSelection: Untrusted code can use us
64 0 : NS_IMETHOD EnsureNative() { return NS_OK; }
65 :
66 : friend struct nsTreeRange;
67 :
68 : protected:
69 : nsresult FireOnSelectHandler();
70 : static void SelectCallback(nsITimer *aTimer, void *aClosure);
71 :
72 : protected:
73 : // Members
74 : nsCOMPtr<nsITreeBoxObject> mTree; // The tree will hold on to us through the view and let go when it dies.
75 :
76 : bool mSuppressed; // Whether or not we should be firing onselect events.
77 : PRInt32 mCurrentIndex; // The item to draw the rect around. The last one clicked, etc.
78 : nsCOMPtr<nsITreeColumn> mCurrentColumn;
79 : PRInt32 mShiftSelectPivot; // Used when multiple SHIFT+selects are performed to pivot on.
80 :
81 : nsTreeRange* mFirstRange; // Our list of ranges.
82 :
83 : nsCOMPtr<nsITimer> mSelectTimer;
84 : };
85 :
86 : nsresult
87 : NS_NewTreeSelection(nsITreeBoxObject* aTree, nsITreeSelection** aResult);
88 :
89 : #endif
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