зеркало из https://github.com/mozilla/gecko-dev.git
89 строки
3.1 KiB
C++
89 строки
3.1 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 nsProgressFrame_h___
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#define nsProgressFrame_h___
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#include "mozilla/Attributes.h"
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#include "nsContainerFrame.h"
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#include "nsIAnonymousContentCreator.h"
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#include "nsCOMPtr.h"
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namespace mozilla {
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enum class CSSPseudoElementType : uint8_t;
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} // namespace mozilla
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class nsProgressFrame final : public nsContainerFrame,
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public nsIAnonymousContentCreator {
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typedef mozilla::CSSPseudoElementType CSSPseudoElementType;
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typedef mozilla::dom::Element Element;
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public:
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NS_DECL_QUERYFRAME
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NS_DECL_FRAMEARENA_HELPERS(nsProgressFrame)
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explicit nsProgressFrame(ComputedStyle* aStyle);
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virtual ~nsProgressFrame();
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virtual void DestroyFrom(nsIFrame* aDestructRoot,
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PostDestroyData& aPostDestroyData) override;
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virtual void BuildDisplayList(nsDisplayListBuilder* aBuilder,
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const nsDisplayListSet& aLists) override;
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virtual void Reflow(nsPresContext* aCX, ReflowOutput& aDesiredSize,
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const ReflowInput& aReflowInput,
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nsReflowStatus& aStatus) override;
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#ifdef DEBUG_FRAME_DUMP
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virtual nsresult GetFrameName(nsAString& aResult) const override {
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return MakeFrameName(NS_LITERAL_STRING("Progress"), aResult);
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}
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#endif
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// nsIAnonymousContentCreator
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virtual nsresult CreateAnonymousContent(
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nsTArray<ContentInfo>& aElements) override;
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virtual void AppendAnonymousContentTo(nsTArray<nsIContent*>& aElements,
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uint32_t aFilter) override;
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virtual nsresult AttributeChanged(int32_t aNameSpaceID, nsAtom* aAttribute,
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int32_t aModType) override;
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virtual mozilla::LogicalSize ComputeAutoSize(
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gfxContext* aRenderingContext, mozilla::WritingMode aWM,
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const mozilla::LogicalSize& aCBSize, nscoord aAvailableISize,
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const mozilla::LogicalSize& aMargin, const mozilla::LogicalSize& aBorder,
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const mozilla::LogicalSize& aPadding, ComputeSizeFlags aFlags) override;
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virtual nscoord GetMinISize(gfxContext* aRenderingContext) override;
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virtual nscoord GetPrefISize(gfxContext* aRenderingContext) override;
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virtual bool IsFrameOfType(uint32_t aFlags) const override {
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return nsContainerFrame::IsFrameOfType(
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aFlags & ~(nsIFrame::eReplaced | nsIFrame::eReplacedContainsBlock));
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}
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/**
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* Returns whether the frame and its child should use the native style.
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*/
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bool ShouldUseNativeStyle() const;
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protected:
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// Helper function to reflow a child frame.
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void ReflowChildFrame(nsIFrame* aChild, nsPresContext* aPresContext,
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const ReflowInput& aReflowInput,
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nsReflowStatus& aStatus);
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/**
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* The div used to show the progress bar.
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* @see nsProgressFrame::CreateAnonymousContent
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*/
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nsCOMPtr<Element> mBarDiv;
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};
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#endif
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