зеркало из https://github.com/mozilla/gecko-dev.git
134 строки
4.1 KiB
C++
134 строки
4.1 KiB
C++
/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
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/* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
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#ifndef nsNumberControlFrame_h__
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#define nsNumberControlFrame_h__
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#include "nsContainerFrame.h"
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#include "nsIFormControlFrame.h"
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#include "nsIAnonymousContentCreator.h"
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#include "nsCOMPtr.h"
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class nsPresContext;
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namespace mozilla {
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class WidgetEvent;
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class WidgetGUIEvent;
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namespace dom {
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class HTMLInputElement;
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}
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}
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/**
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* This frame type is used for <input type=number>.
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*/
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class nsNumberControlFrame MOZ_FINAL : public nsContainerFrame
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, public nsIAnonymousContentCreator
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{
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friend nsIFrame*
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NS_NewNumberControlFrame(nsIPresShell* aPresShell, nsStyleContext* aContext);
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typedef mozilla::dom::HTMLInputElement HTMLInputElement;
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typedef mozilla::WidgetEvent WidgetEvent;
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typedef mozilla::WidgetGUIEvent WidgetGUIEvent;
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nsNumberControlFrame(nsStyleContext* aContext);
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public:
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NS_DECL_QUERYFRAME_TARGET(nsNumberControlFrame)
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NS_DECL_QUERYFRAME
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NS_DECL_FRAMEARENA_HELPERS
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virtual void DestroyFrom(nsIFrame* aDestructRoot) MOZ_OVERRIDE;
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virtual bool IsLeaf() const MOZ_OVERRIDE { return true; }
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NS_IMETHOD Reflow(nsPresContext* aPresContext,
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nsHTMLReflowMetrics& aDesiredSize,
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const nsHTMLReflowState& aReflowState,
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nsReflowStatus& aStatus) MOZ_OVERRIDE;
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NS_IMETHOD AttributeChanged(int32_t aNameSpaceID,
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nsIAtom* aAttribute,
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int32_t aModType) MOZ_OVERRIDE;
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// nsIAnonymousContentCreator
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virtual nsresult CreateAnonymousContent(nsTArray<ContentInfo>& aElements) MOZ_OVERRIDE;
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virtual void AppendAnonymousContentTo(nsBaseContentList& aElements,
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uint32_t aFilter) MOZ_OVERRIDE;
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#ifdef NS_DEBUG
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NS_IMETHOD GetFrameName(nsAString& aResult) const MOZ_OVERRIDE {
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return MakeFrameName(NS_LITERAL_STRING("NumberControl"), aResult);
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}
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#endif
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virtual nsIAtom* GetType() const MOZ_OVERRIDE;
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virtual bool IsFrameOfType(uint32_t aFlags) const MOZ_OVERRIDE
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{
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return nsContainerFrame::IsFrameOfType(aFlags &
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~(nsIFrame::eReplaced | nsIFrame::eReplacedContainsBlock));
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}
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/**
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* When our HTMLInputElement's value changes, it calls this method to tell
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* us to sync up our anonymous text input field child.
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*/
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void UpdateForValueChange(const nsAString& aValue);
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/**
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* Called to notify this frame that its HTMLInputElement is currently
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* processing a DOM 'input' event.
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*/
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void HandlingInputEvent(bool aHandlingEvent)
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{
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mHandlingInputEvent = aHandlingEvent;
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}
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HTMLInputElement* GetAnonTextControl();
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enum SpinButtonEnum {
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eSpinButtonNone,
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eSpinButtonUp,
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eSpinButtonDown
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};
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/**
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* Returns one of the SpinButtonEnum values to depending on whether the
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* pointer event is over the spin-up button, the spin-down button, or
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* neither.
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*/
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int32_t GetSpinButtonForPointerEvent(WidgetGUIEvent* aEvent) const;
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void HandleFocusEvent(WidgetEvent* aEvent);
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private:
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nsresult MakeAnonymousElement(nsIContent** aResult,
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nsTArray<ContentInfo>& aElements,
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nsIAtom* aTagName,
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nsCSSPseudoElements::Type aPseudoType,
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nsStyleContext* aParentContext);
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nsresult ReflowAnonymousContent(nsPresContext* aPresContext,
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nsHTMLReflowMetrics& aWrappersDesiredSize,
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const nsHTMLReflowState& aReflowState,
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nsIFrame* aOuterWrapperFrame);
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/**
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* The text field used to edit and show the number.
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* @see nsNumberControlFrame::CreateAnonymousContent.
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*/
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nsCOMPtr<nsIContent> mOuterWrapper;
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nsCOMPtr<nsIContent> mTextField;
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nsCOMPtr<nsIContent> mSpinBox;
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nsCOMPtr<nsIContent> mSpinUp;
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nsCOMPtr<nsIContent> mSpinDown;
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bool mHandlingInputEvent;
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};
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#endif // nsNumberControlFrame_h__
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