gecko-dev/layout/xul/nsSliderFrame.h

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/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
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/* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
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#ifndef nsSliderFrame_h__
#define nsSliderFrame_h__
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#include "mozilla/Attributes.h"
#include "nsRepeatService.h"
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#include "nsBoxFrame.h"
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#include "nsIAtom.h"
#include "nsCOMPtr.h"
#include "nsITimer.h"
#include "nsIDOMEventListener.h"
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class nsITimer;
class nsSliderFrame;
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nsIFrame* NS_NewSliderFrame(nsIPresShell* aPresShell, nsStyleContext* aContext);
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class nsSliderMediator final : public nsIDOMEventListener
{
public:
NS_DECL_ISUPPORTS
nsSliderFrame* mSlider;
explicit nsSliderMediator(nsSliderFrame* aSlider) { mSlider = aSlider; }
virtual void SetSlider(nsSliderFrame* aSlider) { mSlider = aSlider; }
NS_IMETHOD HandleEvent(nsIDOMEvent* aEvent) override;
protected:
virtual ~nsSliderMediator() {}
};
class nsSliderFrame final : public nsBoxFrame
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{
public:
NS_DECL_FRAMEARENA_HELPERS
NS_DECL_QUERYFRAME_TARGET(nsSliderFrame)
NS_DECL_QUERYFRAME
friend class nsSliderMediator;
explicit nsSliderFrame(nsStyleContext* aContext);
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virtual ~nsSliderFrame();
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#ifdef DEBUG_FRAME_DUMP
virtual nsresult GetFrameName(nsAString& aResult) const override {
return MakeFrameName(NS_LITERAL_STRING("SliderFrame"), aResult);
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}
#endif
virtual nsSize GetXULPrefSize(nsBoxLayoutState& aBoxLayoutState) override;
virtual nsSize GetXULMinSize(nsBoxLayoutState& aBoxLayoutState) override;
virtual nsSize GetXULMaxSize(nsBoxLayoutState& aBoxLayoutState) override;
NS_IMETHOD DoXULLayout(nsBoxLayoutState& aBoxLayoutState) override;
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// nsIFrame overrides
virtual void DestroyFrom(nsIFrame* aDestructRoot) override;
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virtual void BuildDisplayListForChildren(nsDisplayListBuilder* aBuilder,
const nsRect& aDirtyRect,
const nsDisplayListSet& aLists) override;
virtual void BuildDisplayList(nsDisplayListBuilder* aBuilder,
const nsRect& aDirtyRect,
const nsDisplayListSet& aLists) override;
virtual nsresult AttributeChanged(int32_t aNameSpaceID,
nsIAtom* aAttribute,
int32_t aModType) override;
virtual void Init(nsIContent* aContent,
nsContainerFrame* aParent,
nsIFrame* asPrevInFlow) override;
virtual nsresult HandleEvent(nsPresContext* aPresContext,
mozilla::WidgetGUIEvent* aEvent,
nsEventStatus* aEventStatus) override;
// nsContainerFrame overrides
virtual void SetInitialChildList(ChildListID aListID,
nsFrameList& aChildList) override;
virtual void AppendFrames(ChildListID aListID,
nsFrameList& aFrameList) override;
virtual void InsertFrames(ChildListID aListID,
nsIFrame* aPrevFrame,
nsFrameList& aFrameList) override;
virtual void RemoveFrame(ChildListID aListID,
nsIFrame* aOldFrame) override;
nsresult StartDrag(nsIDOMEvent* aEvent);
nsresult StopDrag();
void StartAPZDrag(mozilla::WidgetGUIEvent* aEvent);
static int32_t GetCurrentPosition(nsIContent* content);
static int32_t GetMinPosition(nsIContent* content);
static int32_t GetMaxPosition(nsIContent* content);
static int32_t GetIncrement(nsIContent* content);
static int32_t GetPageIncrement(nsIContent* content);
static int32_t GetIntegerAttribute(nsIContent* content, nsIAtom* atom, int32_t defaultValue);
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void EnsureOrient();
NS_IMETHOD HandlePress(nsPresContext* aPresContext,
mozilla::WidgetGUIEvent* aEvent,
nsEventStatus* aEventStatus) override;
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NS_IMETHOD HandleMultiplePress(nsPresContext* aPresContext,
mozilla::WidgetGUIEvent* aEvent,
nsEventStatus* aEventStatus,
bool aControlHeld) override
{
return NS_OK;
}
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NS_IMETHOD HandleDrag(nsPresContext* aPresContext,
mozilla::WidgetGUIEvent* aEvent,
nsEventStatus* aEventStatus) override
{
return NS_OK;
}
NS_IMETHOD HandleRelease(nsPresContext* aPresContext,
mozilla::WidgetGUIEvent* aEvent,
nsEventStatus* aEventStatus) override;
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// Return the ratio the scrollbar thumb should move in proportion to the
// scrolled frame.
float GetThumbRatio() const;
// Notify the slider frame than an async scrollbar drag requested in
// StartAPZDrag() was rejected by APZ, and the slider frame should
// fall back to main-thread dragging.
void AsyncScrollbarDragRejected();
private:
bool GetScrollToClick();
nsIFrame* GetScrollbar();
bool ShouldScrollForEvent(mozilla::WidgetGUIEvent* aEvent);
bool ShouldScrollToClickForEvent(mozilla::WidgetGUIEvent* aEvent);
bool IsEventOverThumb(mozilla::WidgetGUIEvent* aEvent);
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void PageUpDown(nscoord change);
void SetCurrentThumbPosition(nsIContent* aScrollbar, nscoord aNewPos, bool aIsSmooth,
bool aMaySnap);
void SetCurrentPosition(nsIContent* aScrollbar, int32_t aNewPos, bool aIsSmooth);
void SetCurrentPositionInternal(nsIContent* aScrollbar, int32_t pos,
bool aIsSmooth);
void CurrentPositionChanged();
void DragThumb(bool aGrabMouseEvents);
void AddListener();
void RemoveListener();
bool isDraggingThumb();
void SuppressDisplayport();
void UnsuppressDisplayport();
void StartRepeat() {
nsRepeatService::GetInstance()->Start(Notify, this,
mContent->OwnerDoc(),
NS_LITERAL_CSTRING("nsSliderFrame"));
}
void StopRepeat() {
nsRepeatService::GetInstance()->Stop(Notify, this);
}
void Notify();
static void Notify(void* aData) {
(static_cast<nsSliderFrame*>(aData))->Notify();
}
void PageScroll(nscoord aChange);
nsPoint mDestinationPoint;
Bug 1207245 - part 6 - rename nsRefPtr<T> to RefPtr<T>; r=ehsan; a=Tomcat The bulk of this commit was generated with a script, executed at the top level of a typical source code checkout. The only non-machine-generated part was modifying MFBT's moz.build to reflect the new naming. CLOSED TREE makes big refactorings like this a piece of cake. # The main substitution. find . -name '*.cpp' -o -name '*.cc' -o -name '*.h' -o -name '*.mm' -o -name '*.idl'| \ xargs perl -p -i -e ' s/nsRefPtr\.h/RefPtr\.h/g; # handle includes s/nsRefPtr ?</RefPtr</g; # handle declarations and variables ' # Handle a special friend declaration in gfx/layers/AtomicRefCountedWithFinalize.h. perl -p -i -e 's/::nsRefPtr;/::RefPtr;/' gfx/layers/AtomicRefCountedWithFinalize.h # Handle nsRefPtr.h itself, a couple places that define constructors # from nsRefPtr, and code generators specially. We do this here, rather # than indiscriminantly s/nsRefPtr/RefPtr/, because that would rename # things like nsRefPtrHashtable. perl -p -i -e 's/nsRefPtr/RefPtr/g' \ mfbt/nsRefPtr.h \ xpcom/glue/nsCOMPtr.h \ xpcom/base/OwningNonNull.h \ ipc/ipdl/ipdl/lower.py \ ipc/ipdl/ipdl/builtin.py \ dom/bindings/Codegen.py \ python/lldbutils/lldbutils/utils.py # In our indiscriminate substitution above, we renamed # nsRefPtrGetterAddRefs, the class behind getter_AddRefs. Fix that up. find . -name '*.cpp' -o -name '*.h' -o -name '*.idl' | \ xargs perl -p -i -e 's/nsRefPtrGetterAddRefs/RefPtrGetterAddRefs/g' if [ -d .git ]; then git mv mfbt/nsRefPtr.h mfbt/RefPtr.h else hg mv mfbt/nsRefPtr.h mfbt/RefPtr.h fi --HG-- rename : mfbt/nsRefPtr.h => mfbt/RefPtr.h
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RefPtr<nsSliderMediator> mMediator;
float mRatio;
nscoord mDragStart;
nscoord mThumbStart;
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int32_t mCurPos;
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nscoord mChange;
bool mDragFinished;
// true if an attribute change has been caused by the user manipulating the
// slider. This allows notifications to tell how a slider's current position
// was changed.
bool mUserChanged;
// true if we've handed off the scrolling to APZ. This means that we should
// ignore scrolling events as the position will be updated by APZ. If we were
// to process these events then the scroll position update would conflict
// causing the scroll position to jump.
bool mScrollingWithAPZ;
// true if displayport suppression is active, for more performant
// scrollbar-dragging behaviour.
bool mSuppressionActive;
static bool gMiddlePref;
static int32_t gSnapMultiplier;
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}; // class nsSliderFrame
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#endif