gecko-dev/layout/xul/nsButtonBoxFrame.h

77 lines
2.5 KiB
C++

/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
/* 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/. */
#ifndef nsButtonBoxFrame_h___
#define nsButtonBoxFrame_h___
#include "mozilla/Attributes.h"
#include "nsIDOMEventListener.h"
#include "nsBoxFrame.h"
class nsButtonBoxFrame : public nsBoxFrame
{
public:
NS_DECL_FRAMEARENA_HELPERS
friend nsIFrame* NS_NewButtonBoxFrame(nsIPresShell* aPresShell);
explicit nsButtonBoxFrame(nsStyleContext* aContext);
virtual void Init(nsIContent* aContent,
nsContainerFrame* aParent,
nsIFrame* aPrevInFlow) override;
virtual void BuildDisplayListForChildren(nsDisplayListBuilder* aBuilder,
const nsRect& aDirtyRect,
const nsDisplayListSet& aLists) override;
virtual void DestroyFrom(nsIFrame* aDestructRoot) override;
virtual nsresult HandleEvent(nsPresContext* aPresContext,
mozilla::WidgetGUIEvent* aEvent,
nsEventStatus* aEventStatus) override;
virtual void MouseClicked(nsPresContext* aPresContext,
mozilla::WidgetGUIEvent* aEvent)
{ DoMouseClick(aEvent, false); }
void Blurred();
#ifdef DEBUG_FRAME_DUMP
virtual nsresult GetFrameName(nsAString& aResult) const override {
return MakeFrameName(NS_LITERAL_STRING("ButtonBoxFrame"), aResult);
}
#endif
/**
* Our implementation of MouseClicked.
* @param aTrustEvent if true and aEvent as null, then assume the event was trusted
*/
void DoMouseClick(mozilla::WidgetGUIEvent* aEvent, bool aTrustEvent);
void UpdateMouseThrough() override { AddStateBits(NS_FRAME_MOUSE_THROUGH_NEVER); }
private:
class nsButtonBoxListener final : public nsIDOMEventListener
{
public:
explicit nsButtonBoxListener(nsButtonBoxFrame* aButtonBoxFrame) :
mButtonBoxFrame(aButtonBoxFrame)
{ }
NS_IMETHOD HandleEvent(nsIDOMEvent* aEvent) override;
NS_DECL_ISUPPORTS
private:
friend class nsButtonBoxFrame;
virtual ~nsButtonBoxListener() { }
nsButtonBoxFrame* mButtonBoxFrame;
};
nsRefPtr<nsButtonBoxListener> mButtonBoxListener;
bool mIsHandlingKeyEvent;
}; // class nsButtonBoxFrame
#endif /* nsButtonBoxFrame_h___ */