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/* -*- 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/. */
#ifndef nsNumberControlFrame_h__
#define nsNumberControlFrame_h__
#include "mozilla/Attributes.h"
#include "nsContainerFrame.h"
#include "nsTextControlFrame.h"
#include "nsIFormControlFrame.h"
#include "nsIAnonymousContentCreator.h"
#include "nsCOMPtr.h"
class nsITextControlFrame;
class nsPresContext;
namespace mozilla {
enum class PseudoStyleType : uint8_t;
class PresShell;
class WidgetEvent;
class WidgetGUIEvent;
namespace dom {
class HTMLInputElement;
} // namespace dom
} // namespace mozilla
/**
* This frame type is used for <input type=number>.
*
* TODO(emilio): Maybe merge with nsTextControlFrame?
*/
class nsNumberControlFrame final : public nsTextControlFrame {
friend nsIFrame* NS_NewNumberControlFrame(mozilla::PresShell* aPresShell,
ComputedStyle* aStyle);
typedef mozilla::PseudoStyleType PseudoStyleType;
typedef mozilla::dom::Element Element;
typedef mozilla::dom::HTMLInputElement HTMLInputElement;
typedef mozilla::WidgetEvent WidgetEvent;
typedef mozilla::WidgetGUIEvent WidgetGUIEvent;
explicit nsNumberControlFrame(ComputedStyle* aStyle,
nsPresContext* aPresContext);
public:
NS_DECL_QUERYFRAME
NS_DECL_FRAMEARENA_HELPERS(nsNumberControlFrame)
void DestroyFrom(nsIFrame* aDestructRoot, PostDestroyData&) override;
#ifdef ACCESSIBILITY
mozilla::a11y::AccType AccessibleType() override;
#endif
// nsIAnonymousContentCreator
nsresult CreateAnonymousContent(nsTArray<ContentInfo>& aElements) override;
void AppendAnonymousContentTo(nsTArray<nsIContent*>& aElements,
uint32_t aFilter) override;
#ifdef DEBUG_FRAME_DUMP
nsresult GetFrameName(nsAString& aResult) const override {
return MakeFrameName(u"NumberControl"_ns, aResult);
}
#endif
/**
* If the frame is the frame for an nsNumberControlFrame's up or down spin
* button, returns the nsNumberControlFrame. Else returns nullptr.
*/
static nsNumberControlFrame* GetNumberControlFrameForSpinButton(
nsIFrame* aFrame);
enum SpinButtonEnum { eSpinButtonNone, eSpinButtonUp, eSpinButtonDown };
/**
* Returns one of the SpinButtonEnum values to depending on whether the
* pointer event is over the spin-up button, the spin-down button, or
* neither.
*/
int32_t GetSpinButtonForPointerEvent(WidgetGUIEvent* aEvent) const;
void SpinnerStateChanged() const;
bool SpinnerUpButtonIsDepressed() const;
bool SpinnerDownButtonIsDepressed() const;
/**
* Our element had HTMLInputElement::Select() called on it.
*/
void HandleSelectCall();
bool ShouldUseNativeStyleForSpinner() const;
private:
// See nsNumberControlFrame::CreateAnonymousContent for a description of
// these.
nsCOMPtr<Element> mSpinBox;
nsCOMPtr<Element> mSpinUp;
nsCOMPtr<Element> mSpinDown;
};
#endif // nsNumberControlFrame_h__