The Tor Browser / file comparison
comparison: layout/xul/nsSliderFrame.h
layout/xul/nsSliderFrame.h
- branch
- TOR_BUG_9701
- changeset 8
- 97036ab72558
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| -1:000000000000 | 0:a2053fdd4a6f |
|---|---|
| 1 /* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */ | |
| 2 /* This Source Code Form is subject to the terms of the Mozilla Public | |
| 3 * License, v. 2.0. If a copy of the MPL was not distributed with this | |
| 4 * file, You can obtain one at http://mozilla.org/MPL/2.0/. */ | |
| 5 | |
| 6 #ifndef nsSliderFrame_h__ | |
| 7 #define nsSliderFrame_h__ | |
| 8 | |
| 9 #include "mozilla/Attributes.h" | |
| 10 #include "nsRepeatService.h" | |
| 11 #include "nsBoxFrame.h" | |
| 12 #include "nsIAtom.h" | |
| 13 #include "nsCOMPtr.h" | |
| 14 #include "nsITimer.h" | |
| 15 #include "nsIDOMEventListener.h" | |
| 16 | |
| 17 class nsString; | |
| 18 class nsITimer; | |
| 19 class nsSliderFrame; | |
| 20 | |
| 21 nsIFrame* NS_NewSliderFrame(nsIPresShell* aPresShell, nsStyleContext* aContext); | |
| 22 | |
| 23 class nsSliderMediator : public nsIDOMEventListener | |
| 24 { | |
| 25 public: | |
| 26 | |
| 27 NS_DECL_ISUPPORTS | |
| 28 | |
| 29 nsSliderFrame* mSlider; | |
| 30 | |
| 31 nsSliderMediator(nsSliderFrame* aSlider) { mSlider = aSlider; } | |
| 32 virtual ~nsSliderMediator() {} | |
| 33 | |
| 34 virtual void SetSlider(nsSliderFrame* aSlider) { mSlider = aSlider; } | |
| 35 | |
| 36 NS_IMETHOD HandleEvent(nsIDOMEvent* aEvent) MOZ_OVERRIDE; | |
| 37 }; | |
| 38 | |
| 39 class nsSliderFrame : public nsBoxFrame | |
| 40 { | |
| 41 public: | |
| 42 NS_DECL_FRAMEARENA_HELPERS | |
| 43 | |
| 44 friend class nsSliderMediator; | |
| 45 | |
| 46 nsSliderFrame(nsIPresShell* aShell, nsStyleContext* aContext); | |
| 47 virtual ~nsSliderFrame(); | |
| 48 | |
| 49 #ifdef DEBUG_FRAME_DUMP | |
| 50 virtual nsresult GetFrameName(nsAString& aResult) const MOZ_OVERRIDE { | |
| 51 return MakeFrameName(NS_LITERAL_STRING("SliderFrame"), aResult); | |
| 52 } | |
| 53 #endif | |
| 54 | |
| 55 virtual nsSize GetPrefSize(nsBoxLayoutState& aBoxLayoutState) MOZ_OVERRIDE; | |
| 56 virtual nsSize GetMinSize(nsBoxLayoutState& aBoxLayoutState) MOZ_OVERRIDE; | |
| 57 virtual nsSize GetMaxSize(nsBoxLayoutState& aBoxLayoutState) MOZ_OVERRIDE; | |
| 58 NS_IMETHOD DoLayout(nsBoxLayoutState& aBoxLayoutState) MOZ_OVERRIDE; | |
| 59 | |
| 60 // nsIFrame overrides | |
| 61 virtual nsresult AppendFrames(ChildListID aListID, | |
| 62 nsFrameList& aFrameList) MOZ_OVERRIDE; | |
| 63 | |
| 64 virtual nsresult InsertFrames(ChildListID aListID, | |
| 65 nsIFrame* aPrevFrame, | |
| 66 nsFrameList& aFrameList) MOZ_OVERRIDE; | |
| 67 | |
| 68 virtual nsresult RemoveFrame(ChildListID aListID, | |
| 69 nsIFrame* aOldFrame) MOZ_OVERRIDE; | |
| 70 | |
| 71 virtual void DestroyFrom(nsIFrame* aDestructRoot) MOZ_OVERRIDE; | |
| 72 | |
| 73 virtual void BuildDisplayListForChildren(nsDisplayListBuilder* aBuilder, | |
| 74 const nsRect& aDirtyRect, | |
| 75 const nsDisplayListSet& aLists) MOZ_OVERRIDE; | |
| 76 | |
| 77 virtual void BuildDisplayList(nsDisplayListBuilder* aBuilder, | |
| 78 const nsRect& aDirtyRect, | |
| 79 const nsDisplayListSet& aLists) MOZ_OVERRIDE; | |
| 80 | |
| 81 virtual nsresult AttributeChanged(int32_t aNameSpaceID, | |
| 82 nsIAtom* aAttribute, | |
| 83 int32_t aModType) MOZ_OVERRIDE; | |
| 84 | |
| 85 virtual void Init(nsIContent* aContent, | |
| 86 nsIFrame* aParent, | |
| 87 nsIFrame* asPrevInFlow) MOZ_OVERRIDE; | |
| 88 | |
| 89 | |
| 90 virtual nsresult HandleEvent(nsPresContext* aPresContext, | |
| 91 mozilla::WidgetGUIEvent* aEvent, | |
| 92 nsEventStatus* aEventStatus) MOZ_OVERRIDE; | |
| 93 | |
| 94 virtual nsresult SetInitialChildList(ChildListID aListID, | |
| 95 nsFrameList& aChildList) MOZ_OVERRIDE; | |
| 96 | |
| 97 virtual nsIAtom* GetType() const MOZ_OVERRIDE; | |
| 98 | |
| 99 nsresult StartDrag(nsIDOMEvent* aEvent); | |
| 100 | |
| 101 static int32_t GetCurrentPosition(nsIContent* content); | |
| 102 static int32_t GetMinPosition(nsIContent* content); | |
| 103 static int32_t GetMaxPosition(nsIContent* content); | |
| 104 static int32_t GetIncrement(nsIContent* content); | |
| 105 static int32_t GetPageIncrement(nsIContent* content); | |
| 106 static int32_t GetIntegerAttribute(nsIContent* content, nsIAtom* atom, int32_t defaultValue); | |
| 107 void EnsureOrient(); | |
| 108 | |
| 109 NS_IMETHOD HandlePress(nsPresContext* aPresContext, | |
| 110 mozilla::WidgetGUIEvent* aEvent, | |
| 111 nsEventStatus* aEventStatus) MOZ_OVERRIDE; | |
| 112 | |
| 113 NS_IMETHOD HandleMultiplePress(nsPresContext* aPresContext, | |
| 114 mozilla::WidgetGUIEvent* aEvent, | |
| 115 nsEventStatus* aEventStatus, | |
| 116 bool aControlHeld) MOZ_OVERRIDE | |
| 117 { | |
| 118 return NS_OK; | |
| 119 } | |
| 120 | |
| 121 NS_IMETHOD HandleDrag(nsPresContext* aPresContext, | |
| 122 mozilla::WidgetGUIEvent* aEvent, | |
| 123 nsEventStatus* aEventStatus) MOZ_OVERRIDE | |
| 124 { | |
| 125 return NS_OK; | |
| 126 } | |
| 127 | |
| 128 NS_IMETHOD HandleRelease(nsPresContext* aPresContext, | |
| 129 mozilla::WidgetGUIEvent* aEvent, | |
| 130 nsEventStatus* aEventStatus) MOZ_OVERRIDE; | |
| 131 | |
| 132 private: | |
| 133 | |
| 134 bool GetScrollToClick(); | |
| 135 nsIFrame* GetScrollbar(); | |
| 136 bool ShouldScrollForEvent(mozilla::WidgetGUIEvent* aEvent); | |
| 137 bool ShouldScrollToClickForEvent(mozilla::WidgetGUIEvent* aEvent); | |
| 138 bool IsEventOverThumb(mozilla::WidgetGUIEvent* aEvent); | |
| 139 | |
| 140 void PageUpDown(nscoord change); | |
| 141 void SetCurrentThumbPosition(nsIContent* aScrollbar, nscoord aNewPos, bool aIsSmooth, | |
| 142 bool aMaySnap); | |
| 143 void SetCurrentPosition(nsIContent* aScrollbar, int32_t aNewPos, bool aIsSmooth); | |
| 144 void SetCurrentPositionInternal(nsIContent* aScrollbar, int32_t pos, | |
| 145 bool aIsSmooth); | |
| 146 void CurrentPositionChanged(); | |
| 147 | |
| 148 void DragThumb(bool aGrabMouseEvents); | |
| 149 void AddListener(); | |
| 150 void RemoveListener(); | |
| 151 bool isDraggingThumb(); | |
| 152 | |
| 153 void StartRepeat() { | |
| 154 nsRepeatService::GetInstance()->Start(Notify, this); | |
| 155 } | |
| 156 void StopRepeat() { | |
| 157 nsRepeatService::GetInstance()->Stop(Notify, this); | |
| 158 } | |
| 159 void Notify(); | |
| 160 static void Notify(void* aData) { | |
| 161 (static_cast<nsSliderFrame*>(aData))->Notify(); | |
| 162 } | |
| 163 | |
| 164 nsPoint mDestinationPoint; | |
| 165 nsRefPtr<nsSliderMediator> mMediator; | |
| 166 | |
| 167 float mRatio; | |
| 168 | |
| 169 nscoord mDragStart; | |
| 170 nscoord mThumbStart; | |
| 171 | |
| 172 int32_t mCurPos; | |
| 173 | |
| 174 nscoord mChange; | |
| 175 | |
| 176 // true if an attribute change has been caused by the user manipulating the | |
| 177 // slider. This allows notifications to tell how a slider's current position | |
| 178 // was changed. | |
| 179 bool mUserChanged; | |
| 180 | |
| 181 static bool gMiddlePref; | |
| 182 static int32_t gSnapMultiplier; | |
| 183 }; // class nsSliderFrame | |
| 184 | |
| 185 #endif |
