gecko/layout/forms/nsNumberControlFrame.h

115 lines
3.6 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 nsNumberControlFrame_h__
#define nsNumberControlFrame_h__
#include "nsContainerFrame.h"
#include "nsIFormControlFrame.h"
#include "nsIAnonymousContentCreator.h"
#include "nsCOMPtr.h"
class nsPresContext;
namespace mozilla {
namespace dom {
class HTMLInputElement;
}
}
/**
* This frame type is used for <input type=number>.
*/
class nsNumberControlFrame MOZ_FINAL : public nsContainerFrame
, public nsIAnonymousContentCreator
{
friend nsIFrame*
NS_NewNumberControlFrame(nsIPresShell* aPresShell, nsStyleContext* aContext);
typedef mozilla::dom::HTMLInputElement HTMLInputElement;
nsNumberControlFrame(nsStyleContext* aContext);
public:
NS_DECL_QUERYFRAME_TARGET(nsNumberControlFrame)
NS_DECL_QUERYFRAME
NS_DECL_FRAMEARENA_HELPERS
virtual void DestroyFrom(nsIFrame* aDestructRoot) MOZ_OVERRIDE;
virtual bool IsLeaf() const MOZ_OVERRIDE { return true; }
NS_IMETHOD Reflow(nsPresContext* aPresContext,
nsHTMLReflowMetrics& aDesiredSize,
const nsHTMLReflowState& aReflowState,
nsReflowStatus& aStatus) MOZ_OVERRIDE;
NS_IMETHOD AttributeChanged(int32_t aNameSpaceID,
nsIAtom* aAttribute,
int32_t aModType) MOZ_OVERRIDE;
// nsIAnonymousContentCreator
virtual nsresult CreateAnonymousContent(nsTArray<ContentInfo>& aElements) MOZ_OVERRIDE;
virtual void AppendAnonymousContentTo(nsBaseContentList& aElements,
uint32_t aFilter) MOZ_OVERRIDE;
#ifdef NS_DEBUG
NS_IMETHOD GetFrameName(nsAString& aResult) const MOZ_OVERRIDE {
return MakeFrameName(NS_LITERAL_STRING("NumberControl"), aResult);
}
#endif
virtual nsIAtom* GetType() const MOZ_OVERRIDE;
virtual bool IsFrameOfType(uint32_t aFlags) const MOZ_OVERRIDE
{
return nsContainerFrame::IsFrameOfType(aFlags &
~(nsIFrame::eReplaced | nsIFrame::eReplacedContainsBlock));
}
/**
* When our HTMLInputElement's value changes, it calls this method to tell
* us to sync up our anonymous text input field child.
*/
void UpdateForValueChange(const nsAString& aValue);
/**
* Called to notify this frame that its HTMLInputElement is currently
* processing a DOM 'input' event.
*/
void HandlingInputEvent(bool aHandlingEvent)
{
mHandlingInputEvent = aHandlingEvent;
}
HTMLInputElement* GetAnonTextControl();
private:
nsresult MakeAnonymousElement(nsIContent** aResult,
nsTArray<ContentInfo>& aElements,
nsIAtom* aTagName,
nsCSSPseudoElements::Type aPseudoType,
nsStyleContext* aParentContext);
nsresult ReflowAnonymousContent(nsPresContext* aPresContext,
nsHTMLReflowMetrics& aWrappersDesiredSize,
const nsHTMLReflowState& aReflowState,
nsIFrame* aOuterWrapperFrame);
/**
* The text field used to edit and show the number.
* @see nsNumberControlFrame::CreateAnonymousContent.
*/
nsCOMPtr<nsIContent> mOuterWrapper;
nsCOMPtr<nsIContent> mTextField;
nsCOMPtr<nsIContent> mSpinBox;
nsCOMPtr<nsIContent> mSpinUp;
nsCOMPtr<nsIContent> mSpinDown;
bool mHandlingInputEvent;
};
#endif // nsNumberControlFrame_h__