Source code

Revision control

Copy as Markdown

Other Tools

/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
/* vim: set ts=8 sts=2 et sw=2 tw=80: */
/* 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/. */
/**
Eric D Vaughan
This class lays out its children either vertically or horizontally
**/
#ifndef nsScrollbarButtonFrame_h___
#define nsScrollbarButtonFrame_h___
#include "mozilla/Attributes.h"
#include "nsButtonBoxFrame.h"
#include "nsRepeatService.h"
namespace mozilla {
class PresShell;
} // namespace mozilla
class nsScrollbarButtonFrame final : public nsButtonBoxFrame {
public:
NS_DECL_FRAMEARENA_HELPERS(nsScrollbarButtonFrame)
explicit nsScrollbarButtonFrame(ComputedStyle* aStyle,
nsPresContext* aPresContext)
: nsButtonBoxFrame(aStyle, aPresContext, kClassID),
mCursorOnThis(false) {}
// Overrides
virtual void DestroyFrom(nsIFrame* aDestructRoot,
PostDestroyData& aPostDestroyData) override;
friend nsIFrame* NS_NewScrollbarButtonFrame(mozilla::PresShell* aPresShell,
ComputedStyle* aStyle);
virtual nsresult HandleEvent(nsPresContext* aPresContext,
mozilla::WidgetGUIEvent* aEvent,
nsEventStatus* aEventStatus) override;
static nsresult GetChildWithTag(nsAtom* atom, nsIFrame* start,
nsIFrame*& result);
static nsresult GetParentWithTag(nsAtom* atom, nsIFrame* start,
nsIFrame*& result);
bool HandleButtonPress(nsPresContext* aPresContext,
mozilla::WidgetGUIEvent* aEvent,
nsEventStatus* aEventStatus);
NS_IMETHOD HandleMultiplePress(nsPresContext* aPresContext,
mozilla::WidgetGUIEvent* aEvent,
nsEventStatus* aEventStatus,
bool aControlHeld) override {
return NS_OK;
}
MOZ_CAN_RUN_SCRIPT
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;
protected:
void StartRepeat() {
nsRepeatService::GetInstance()->Start(Notify, this, mContent->OwnerDoc(),
"nsScrollbarButtonFrame"_ns);
}
void StopRepeat() { nsRepeatService::GetInstance()->Stop(Notify, this); }
void Notify();
static void Notify(void* aData) {
static_cast<nsScrollbarButtonFrame*>(aData)->Notify();
}
bool mCursorOnThis;
};
#endif