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15 : * The Original Code is Mozilla Communicator client code.
16 : *
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18 : * Netscape Communications Corporation.
19 : * Portions created by the Initial Developer are Copyright (C) 1998
20 : * the Initial Developer. All Rights Reserved.
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37 :
38 : /**
39 :
40 : Eric D Vaughan
41 : This class lays out its children either vertically or horizontally
42 :
43 : **/
44 :
45 : #ifndef nsScrollbarButtonFrame_h___
46 : #define nsScrollbarButtonFrame_h___
47 :
48 : #include "nsButtonBoxFrame.h"
49 : #include "nsITimer.h"
50 : #include "nsRepeatService.h"
51 :
52 : class nsSliderFrame;
53 :
54 : class nsScrollbarButtonFrame : public nsButtonBoxFrame
55 0 : {
56 : public:
57 : NS_DECL_FRAMEARENA_HELPERS
58 :
59 0 : nsScrollbarButtonFrame(nsIPresShell* aPresShell, nsStyleContext* aContext):
60 0 : nsButtonBoxFrame(aPresShell, aContext), mCursorOnThis(false) {}
61 :
62 : // Overrides
63 : virtual void DestroyFrom(nsIFrame* aDestructRoot);
64 :
65 : friend nsIFrame* NS_NewScrollbarButtonFrame(nsIPresShell* aPresShell, nsStyleContext* aContext);
66 :
67 : NS_IMETHOD HandleEvent(nsPresContext* aPresContext,
68 : nsGUIEvent* aEvent,
69 : nsEventStatus* aEventStatus);
70 :
71 : static nsresult GetChildWithTag(nsPresContext* aPresContext,
72 : nsIAtom* atom, nsIFrame* start, nsIFrame*& result);
73 : static nsresult GetParentWithTag(nsIAtom* atom, nsIFrame* start, nsIFrame*& result);
74 :
75 : bool HandleButtonPress(nsPresContext* aPresContext,
76 : nsGUIEvent * aEvent,
77 : nsEventStatus* aEventStatus);
78 :
79 0 : NS_IMETHOD HandleMultiplePress(nsPresContext* aPresContext,
80 : nsGUIEvent * aEvent,
81 : nsEventStatus* aEventStatus,
82 0 : bool aControlHeld) { return NS_OK; }
83 :
84 0 : NS_IMETHOD HandleDrag(nsPresContext* aPresContext,
85 : nsGUIEvent * aEvent,
86 0 : nsEventStatus* aEventStatus) { return NS_OK; }
87 :
88 : NS_IMETHOD HandleRelease(nsPresContext* aPresContext,
89 : nsGUIEvent * aEvent,
90 : nsEventStatus* aEventStatus);
91 :
92 : protected:
93 : virtual void MouseClicked(nsPresContext* aPresContext, nsGUIEvent* aEvent);
94 : void DoButtonAction(bool aSmoothScroll);
95 :
96 0 : void StartRepeat() {
97 0 : nsRepeatService::GetInstance()->Start(Notify, this);
98 0 : }
99 0 : void StopRepeat() {
100 0 : nsRepeatService::GetInstance()->Stop(Notify, this);
101 0 : }
102 : void Notify();
103 0 : static void Notify(void* aData) {
104 0 : static_cast<nsScrollbarButtonFrame*>(aData)->Notify();
105 0 : }
106 :
107 : PRInt32 mIncrement;
108 : bool mCursorOnThis;
109 : };
110 :
111 : #endif
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