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 MathML Project.
16 : *
17 : * The Initial Developer of the Original Code is
18 : * The University Of Queensland.
19 : * Portions created by the Initial Developer are Copyright (C) 1999
20 : * the Initial Developer. All Rights Reserved.
21 : *
22 : * Contributor(s):
23 : * Roger B. Sidje <rbs@maths.uq.edu.au>
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 :
39 : #ifndef nsMathMLmactionFrame_h___
40 : #define nsMathMLmactionFrame_h___
41 :
42 : #include "nsCOMPtr.h"
43 : #include "nsMathMLContainerFrame.h"
44 : #include "nsIDOMEventListener.h"
45 :
46 : //
47 : // <maction> -- bind actions to a subexpression
48 : //
49 :
50 : class nsMathMLmactionFrame : public nsMathMLContainerFrame {
51 : public:
52 : NS_DECL_FRAMEARENA_HELPERS
53 :
54 : friend nsIFrame* NS_NewMathMLmactionFrame(nsIPresShell* aPresShell, nsStyleContext* aContext);
55 :
56 : NS_IMETHOD
57 : TransmitAutomaticData();
58 :
59 : NS_IMETHOD
60 : Init(nsIContent* aContent,
61 : nsIFrame* aParent,
62 : nsIFrame* aPrevInFlow);
63 :
64 : NS_IMETHOD
65 : SetInitialChildList(ChildListID aListID,
66 : nsFrameList& aChildList);
67 :
68 : virtual nsresult
69 : ChildListChanged(PRInt32 aModType);
70 :
71 : NS_IMETHOD BuildDisplayList(nsDisplayListBuilder* aBuilder,
72 : const nsRect& aDirtyRect,
73 : const nsDisplayListSet& aLists);
74 :
75 : virtual nsresult
76 : Place(nsRenderingContext& aRenderingContext,
77 : bool aPlaceOrigin,
78 : nsHTMLReflowMetrics& aDesiredSize);
79 :
80 : NS_IMETHOD
81 : Reflow(nsPresContext* aPresContext,
82 : nsHTMLReflowMetrics& aDesiredSize,
83 : const nsHTMLReflowState& aReflowState,
84 : nsReflowStatus& aStatus);
85 :
86 : private:
87 : void MouseClick();
88 : void MouseOver();
89 : void MouseOut();
90 :
91 : class MouseListener : public nsIDOMEventListener
92 : {
93 : NS_DECL_ISUPPORTS
94 : NS_DECL_NSIDOMEVENTLISTENER
95 :
96 0 : MouseListener(nsMathMLmactionFrame* aOwner) : mOwner(aOwner) { };
97 :
98 : nsMathMLmactionFrame* mOwner;
99 : };
100 :
101 : protected:
102 0 : nsMathMLmactionFrame(nsStyleContext* aContext) : nsMathMLContainerFrame(aContext) {}
103 : virtual ~nsMathMLmactionFrame();
104 :
105 0 : virtual PRIntn GetSkipSides() const { return 0; }
106 :
107 : private:
108 : PRInt32 mActionType;
109 : PRInt32 mChildCount;
110 : PRInt32 mSelection;
111 : nsIFrame* mSelectedFrame;
112 : nsString mRestyle;
113 : nsCOMPtr<MouseListener> mListener;
114 :
115 : // helper to return the frame for the attribute selection="number"
116 : nsIFrame*
117 : GetSelectedFrame();
118 : };
119 :
120 : #endif /* nsMathMLmactionFrame_h___ */
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