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layout/xul/nsSliderFrame.h@141e0f1194b1 (annotated)

layout/xul/nsSliderFrame.h

Wed, 31 Dec 2014 07:16:47 +0100

author
Michael Schloh von Bennewitz <michael@schloh.com>
date
Wed, 31 Dec 2014 07:16:47 +0100
branch
TOR_BUG_9701
changeset 3
141e0f1194b1
permissions
-rw-r--r--

Revert simplistic fix pending revisit of Mozilla integration attempt.

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

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