/* -*- 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 "nsContainerFrame.h" #include "nsIAnonymousContentCreator.h" #include "nsCOMPtr.h" class nsMeterFrame : public nsContainerFrame, public nsIAnonymousContentCreator { public: NS_DECL_QUERYFRAME_TARGET(nsMeterFrame) NS_DECL_QUERYFRAME NS_DECL_FRAMEARENA_HELPERS nsMeterFrame(nsStyleContext* aContext); virtual ~nsMeterFrame(); virtual void DestroyFrom(nsIFrame* aDestructRoot); NS_IMETHOD Reflow(nsPresContext* aCX, nsHTMLReflowMetrics& aDesiredSize, const nsHTMLReflowState& aReflowState, nsReflowStatus& aStatus); #ifdef NS_DEBUG NS_IMETHOD GetFrameName(nsAString& aResult) const { return MakeFrameName(NS_LITERAL_STRING("Meter"), aResult); } #endif virtual bool IsLeaf() const { return true; } // nsIAnonymousContentCreator virtual nsresult CreateAnonymousContent(nsTArray& aElements); virtual void AppendAnonymousContentTo(nsBaseContentList& aElements, PRUint32 aFilter); NS_IMETHOD AttributeChanged(PRInt32 aNameSpaceID, nsIAtom* aAttribute, PRInt32 aModType); virtual nsSize ComputeAutoSize(nsRenderingContext *aRenderingContext, nsSize aCBSize, nscoord aAvailableWidth, nsSize aMargin, nsSize aBorder, nsSize aPadding, bool aShrinkWrap); virtual nscoord GetMinWidth(nsRenderingContext *aRenderingContext); virtual nscoord GetPrefWidth(nsRenderingContext *aRenderingContext); virtual bool IsFrameOfType(PRUint32 aFlags) const { return nsContainerFrame::IsFrameOfType(aFlags & ~(nsIFrame::eReplaced | nsIFrame::eReplacedContainsBlock)); } /** * Returns whether the frame and its child should use the native style. */ bool ShouldUseNativeStyle() const; protected: // Helper function which reflow the anonymous div frame. void ReflowBarFrame(nsIFrame* aBarFrame, nsPresContext* aPresContext, const nsHTMLReflowState& aReflowState, nsReflowStatus& aStatus); /** * The div used to show the meter bar. * @see nsMeterFrame::CreateAnonymousContent */ nsCOMPtr mBarDiv; }; #endif