зеркало из https://github.com/mozilla/gecko-dev.git
118 строки
3.6 KiB
C++
118 строки
3.6 KiB
C++
/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
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/* vim: set ts=8 sts=2 et sw=2 tw=80: */
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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 "mozilla/Attributes.h"
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#include "nsContainerFrame.h"
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#include "nsTextControlFrame.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 nsITextControlFrame;
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class nsPresContext;
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namespace mozilla {
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enum class PseudoStyleType : uint8_t;
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class PresShell;
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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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} // namespace dom
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} // namespace mozilla
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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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* TODO(emilio): Maybe merge with nsTextControlFrame?
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*/
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class nsNumberControlFrame final : public nsTextControlFrame {
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friend nsIFrame* NS_NewNumberControlFrame(mozilla::PresShell* aPresShell,
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ComputedStyle* aStyle);
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typedef mozilla::PseudoStyleType PseudoStyleType;
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typedef mozilla::dom::Element Element;
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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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explicit nsNumberControlFrame(ComputedStyle* aStyle,
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nsPresContext* aPresContext);
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public:
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NS_DECL_QUERYFRAME
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NS_DECL_FRAMEARENA_HELPERS(nsNumberControlFrame)
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void DestroyFrom(nsIFrame* aDestructRoot, PostDestroyData&) override;
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#ifdef ACCESSIBILITY
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mozilla::a11y::AccType AccessibleType() override;
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#endif
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// nsIAnonymousContentCreator
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nsresult CreateAnonymousContent(nsTArray<ContentInfo>& aElements) override;
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void AppendAnonymousContentTo(nsTArray<nsIContent*>& aElements,
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uint32_t aFilter) override;
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#ifdef DEBUG_FRAME_DUMP
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nsresult GetFrameName(nsAString& aResult) const 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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/**
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* If the frame is the frame for an nsNumberControlFrame's anonymous text
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* field, returns the nsNumberControlFrame. Else returns nullptr.
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*/
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static nsNumberControlFrame* GetNumberControlFrameForTextField(
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nsIFrame* aFrame);
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/**
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* If the frame is the frame for an nsNumberControlFrame's up or down spin
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* button, returns the nsNumberControlFrame. Else returns nullptr.
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*/
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static nsNumberControlFrame* GetNumberControlFrameForSpinButton(
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nsIFrame* aFrame);
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enum SpinButtonEnum { eSpinButtonNone, eSpinButtonUp, eSpinButtonDown };
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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 SpinnerStateChanged() const;
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bool SpinnerUpButtonIsDepressed() const;
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bool SpinnerDownButtonIsDepressed() const;
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/**
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* Our element had HTMLInputElement::Select() called on it.
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*/
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void HandleSelectCall();
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bool ShouldUseNativeStyleForSpinner() const;
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private:
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already_AddRefed<Element> MakeAnonymousElement(Element* aParent,
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nsAtom* aTagName,
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PseudoStyleType aPseudoType);
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// See nsNumberControlFrame::CreateAnonymousContent for a description of
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// these.
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nsCOMPtr<Element> mOuterWrapper;
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nsCOMPtr<Element> mSpinBox;
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nsCOMPtr<Element> mSpinUp;
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nsCOMPtr<Element> mSpinDown;
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};
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#endif // nsNumberControlFrame_h__
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