1 : /* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
2 : /* ***** BEGIN LICENSE BLOCK *****
3 : * Version: MPL 1.1/GPL 2.0/LGPL 2.1
4 : *
5 : * The contents of this file are subject to the Mozilla Public License Version
6 : * 1.1 (the "License"); you may not use this file except in compliance with
7 : * the License. You may obtain a copy of the License at
8 : * http://www.mozilla.org/MPL/
9 : *
10 : * Software distributed under the License is distributed on an "AS IS" basis,
11 : * WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
12 : * for the specific language governing rights and limitations under the
13 : * License.
14 : *
15 : * The Original Code is Mozilla Communicator client code.
16 : *
17 : * The Initial Developer of the Original Code is
18 : * Netscape Communications Corporation.
19 : * Portions created by the Initial Developer are Copyright (C) 1998
20 : * the Initial Developer. All Rights Reserved.
21 : *
22 : * Contributor(s):
23 : * Original Author: Eric J. Burley (ericb@neoplanet.com)
24 : *
25 : * Alternatively, the contents of this file may be used under the terms of
26 : * either of the GNU General Public License Version 2 or later (the "GPL"),
27 : * or the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
28 : * in which case the provisions of the GPL or the LGPL are applicable instead
29 : * of those above. If you wish to allow use of your version of this file only
30 : * under the terms of either the GPL or the LGPL, and not to allow others to
31 : * use your version of this file under the terms of the MPL, indicate your
32 : * decision by deleting the provisions above and replace them with the notice
33 : * and other provisions required by the GPL or the LGPL. If you do not delete
34 : * the provisions above, a recipient may use your version of this file under
35 : * the terms of any one of the MPL, the GPL or the LGPL.
36 : *
37 : * ***** END LICENSE BLOCK ***** */
38 : #ifndef nsResizerFrame_h___
39 : #define nsResizerFrame_h___
40 :
41 : #include "nsTitleBarFrame.h"
42 :
43 : class nsIBaseWindow;
44 : class nsMenuPopupFrame;
45 :
46 : class nsResizerFrame : public nsTitleBarFrame
47 0 : {
48 : protected:
49 : struct Direction {
50 : PRInt8 mHorizontal;
51 : PRInt8 mVertical;
52 : };
53 :
54 : public:
55 : NS_DECL_FRAMEARENA_HELPERS
56 :
57 : friend nsIFrame* NS_NewResizerFrame(nsIPresShell* aPresShell, nsStyleContext* aContext);
58 :
59 : nsResizerFrame(nsIPresShell* aPresShell, nsStyleContext* aContext);
60 :
61 : NS_IMETHOD HandleEvent(nsPresContext* aPresContext,
62 : nsGUIEvent* aEvent,
63 : nsEventStatus* aEventStatus);
64 :
65 : virtual void MouseClicked(nsPresContext* aPresContext, nsGUIEvent *aEvent);
66 :
67 : protected:
68 : nsIContent* GetContentToResize(nsIPresShell* aPresShell, nsIBaseWindow** aWindow);
69 :
70 : Direction GetDirection();
71 : static void AdjustDimensions(PRInt32* aPos, PRInt32* aSize,
72 : PRInt32 aMovement, PRInt8 aResizerDirection);
73 :
74 0 : struct SizeInfo {
75 : nsString width, height;
76 : };
77 : static void SizeInfoDtorFunc(void *aObject, nsIAtom *aPropertyName,
78 : void *aPropertyValue, void *aData);
79 : static void ResizeContent(nsIContent* aContent, const Direction& aDirection,
80 : const SizeInfo& aSizeInfo, SizeInfo* aOriginalSizeInfo);
81 : static void MaybePersistOriginalSize(nsIContent* aContent, const SizeInfo& aSizeInfo);
82 : static void RestoreOriginalSize(nsIContent* aContent);
83 : protected:
84 : nsIntRect mMouseDownRect;
85 : nsIntPoint mMouseDownPoint;
86 : }; // class nsResizerFrame
87 :
88 : #endif /* nsResizerFrame_h___ */
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