/* -*- 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 nsMeterFrame_h___ #define nsMeterFrame_h___ #include "mozilla/Attributes.h" #include "nsContainerFrame.h" #include "nsIAnonymousContentCreator.h" #include "nsCOMPtr.h" #include "nsCSSPseudoElements.h" class nsMeterFrame : public nsContainerFrame, public nsIAnonymousContentCreator { typedef mozilla::dom::Element Element; public: NS_DECL_QUERYFRAME_TARGET(nsMeterFrame) NS_DECL_QUERYFRAME NS_DECL_FRAMEARENA_HELPERS explicit nsMeterFrame(nsStyleContext* aContext); virtual ~nsMeterFrame(); virtual void DestroyFrom(nsIFrame* aDestructRoot) override; virtual void Reflow(nsPresContext* aCX, ReflowOutput& aDesiredSize, const ReflowInput& aReflowInput, nsReflowStatus& aStatus) override; virtual nsIAtom* GetType() const override; #ifdef DEBUG_FRAME_DUMP virtual nsresult GetFrameName(nsAString& aResult) const override { return MakeFrameName(NS_LITERAL_STRING("Meter"), aResult); } #endif virtual bool IsLeaf() const override { return true; } // nsIAnonymousContentCreator virtual nsresult CreateAnonymousContent(nsTArray<ContentInfo>& aElements) override; virtual void AppendAnonymousContentTo(nsTArray<nsIContent*>& aElements, uint32_t aFilter) override; virtual nsresult AttributeChanged(int32_t aNameSpaceID, nsIAtom* aAttribute, int32_t aModType) override; virtual mozilla::LogicalSize ComputeAutoSize(nsRenderingContext* aRenderingContext, mozilla::WritingMode aWM, const mozilla::LogicalSize& aCBSize, nscoord aAvailableISize, const mozilla::LogicalSize& aMargin, const mozilla::LogicalSize& aBorder, const mozilla::LogicalSize& aPadding, ComputeSizeFlags aFlags) override; virtual nscoord GetMinISize(nsRenderingContext *aRenderingContext) override; virtual nscoord GetPrefISize(nsRenderingContext *aRenderingContext) override; virtual bool IsFrameOfType(uint32_t aFlags) const override { return nsContainerFrame::IsFrameOfType(aFlags & ~(nsIFrame::eReplaced | nsIFrame::eReplacedContainsBlock)); } /** * Returns whether the frame and its child should use the native style. */ bool ShouldUseNativeStyle() const; virtual Element* GetPseudoElement(mozilla::CSSPseudoElementType aType) override; protected: // Helper function which reflow the anonymous div frame. void ReflowBarFrame(nsIFrame* aBarFrame, nsPresContext* aPresContext, const ReflowInput& aReflowInput, nsReflowStatus& aStatus); /** * The div used to show the meter bar. * @see nsMeterFrame::CreateAnonymousContent */ nsCOMPtr<Element> mBarDiv; }; #endif