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/* -*- 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 nsNumberControlFrame_h__
#define nsNumberControlFrame_h__
#include "mozilla/Attributes.h"
#include "nsContainerFrame.h"
#include "nsIFormControlFrame.h"
#include "nsIAnonymousContentCreator.h"
#include "nsCOMPtr.h"
class nsITextControlFrame;
class nsPresContext;
namespace mozilla {
enum class CSSPseudoElementType : uint8_t;
class WidgetEvent;
class WidgetGUIEvent;
namespace dom {
class HTMLInputElement;
} // namespace dom
} // namespace mozilla
/**
* This frame type is used for <input type=number>.
*/
class nsNumberControlFrame final : public nsContainerFrame
, public nsIAnonymousContentCreator
, public nsIFormControlFrame
{
friend nsIFrame*
NS_NewNumberControlFrame(nsIPresShell* aPresShell, nsStyleContext* aContext);
typedef mozilla::CSSPseudoElementType CSSPseudoElementType;
typedef mozilla::dom::Element Element;
typedef mozilla::dom::HTMLInputElement HTMLInputElement;
typedef mozilla::WidgetEvent WidgetEvent;
typedef mozilla::WidgetGUIEvent WidgetGUIEvent;
explicit nsNumberControlFrame(nsStyleContext* aContext);
public:
NS_DECL_QUERYFRAME_TARGET(nsNumberControlFrame)
NS_DECL_QUERYFRAME
NS_DECL_FRAMEARENA_HELPERS
virtual void DestroyFrom(nsIFrame* aDestructRoot) override;
virtual void ContentStatesChanged(mozilla::EventStates aStates) override;
virtual bool IsLeaf() const override { return true; }
#ifdef ACCESSIBILITY
virtual mozilla::a11y::AccType AccessibleType() override;
#endif
virtual nscoord GetMinISize(nsRenderingContext* aRenderingContext) override;
virtual nscoord GetPrefISize(nsRenderingContext* aRenderingContext) override;
virtual void Reflow(nsPresContext* aPresContext,
ReflowOutput& aDesiredSize,
const ReflowInput& aReflowInput,
nsReflowStatus& aStatus) override;
virtual nsresult AttributeChanged(int32_t aNameSpaceID,
nsIAtom* aAttribute,
int32_t aModType) override;
// nsIAnonymousContentCreator
virtual nsresult CreateAnonymousContent(nsTArray<ContentInfo>& aElements) override;
virtual void AppendAnonymousContentTo(nsTArray<nsIContent*>& aElements,
uint32_t aFilter) override;
#ifdef DEBUG_FRAME_DUMP
virtual nsresult GetFrameName(nsAString& aResult) const override {
return MakeFrameName(NS_LITERAL_STRING("NumberControl"), aResult);
}
#endif
virtual nsIAtom* GetType() const override;
virtual bool IsFrameOfType(uint32_t aFlags) const override
{
return nsContainerFrame::IsFrameOfType(aFlags &
~(nsIFrame::eReplaced | nsIFrame::eReplacedContainsBlock));
}
// nsIFormControlFrame
virtual void SetFocus(bool aOn, bool aRepaint) override;
virtual nsresult SetFormProperty(nsIAtom* aName, const nsAString& aValue) override;
/**
* This method attempts to localizes aValue and then sets the result as the
* value of our anonymous text control. It's called when our
* HTMLInputElement's value changes, when we need to sync up the value
* displayed in our anonymous text control.
*/
void SetValueOfAnonTextControl(const nsAString& aValue);
/**
* This method gets the string value of our anonymous text control,
* attempts to normalizes (de-localizes) it, then sets the outparam aValue to
* the result. It's called when user input changes the text value of our
* anonymous text control so that we can sync up the internal value of our
* HTMLInputElement.
*/
void GetValueOfAnonTextControl(nsAString& aValue);
bool AnonTextControlIsEmpty();
/**
* Called to notify this frame that its HTMLInputElement is currently
* processing a DOM 'input' event.
*/
void HandlingInputEvent(bool aHandlingEvent)
{
mHandlingInputEvent = aHandlingEvent;
}
HTMLInputElement* GetAnonTextControl();
/**
* If the frame is the frame for an nsNumberControlFrame's anonymous text
* field, returns the nsNumberControlFrame. Else returns nullptr.
*/
static nsNumberControlFrame* GetNumberControlFrameForTextField(nsIFrame* aFrame);
/**
* 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;
bool IsFocused() const;
void HandleFocusEvent(WidgetEvent* aEvent);
/**
* Our element had HTMLInputElement::Select() called on it.
*/
nsresult HandleSelectCall();
virtual Element* GetPseudoElement(CSSPseudoElementType aType) override;
bool ShouldUseNativeStyleForSpinner() const;
private:
nsITextControlFrame* GetTextFieldFrame();
nsresult MakeAnonymousElement(Element** aResult,
nsTArray<ContentInfo>& aElements,
nsIAtom* aTagName,
CSSPseudoElementType aPseudoType,
nsStyleContext* aParentContext);
class SyncDisabledStateEvent;
friend class SyncDisabledStateEvent;
class SyncDisabledStateEvent : public mozilla::Runnable
{
public:
explicit SyncDisabledStateEvent(nsNumberControlFrame* aFrame)
: mFrame(aFrame)
{}
NS_IMETHOD Run() override
{
nsNumberControlFrame* frame =
static_cast<nsNumberControlFrame*>(mFrame.GetFrame());
NS_ENSURE_STATE(frame);
frame->SyncDisabledState();
return NS_OK;
}
private:
nsWeakFrame mFrame;
};
/**
* Sync the disabled state of the anonymous children up with our content's.
*/
void SyncDisabledState();
/**
* The text field used to edit and show the number.
* @see nsNumberControlFrame::CreateAnonymousContent.
*/
nsCOMPtr<Element> mOuterWrapper;
nsCOMPtr<Element> mTextField;
nsCOMPtr<Element> mSpinBox;
nsCOMPtr<Element> mSpinUp;
nsCOMPtr<Element> mSpinDown;
bool mHandlingInputEvent;
};
#endif // nsNumberControlFrame_h__
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