michael@0: /* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
michael@0: /* This Source Code Form is subject to the terms of the Mozilla Public
michael@0:  * License, v. 2.0. If a copy of the MPL was not distributed with this
michael@0:  * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
michael@0: 
michael@0: #ifndef nsMeterFrame_h___
michael@0: #define nsMeterFrame_h___
michael@0: 
michael@0: #include "mozilla/Attributes.h"
michael@0: #include "nsContainerFrame.h"
michael@0: #include "nsIAnonymousContentCreator.h"
michael@0: #include "nsCOMPtr.h"
michael@0: 
michael@0: class nsMeterFrame : public nsContainerFrame,
michael@0:                      public nsIAnonymousContentCreator
michael@0: 
michael@0: {
michael@0:   typedef mozilla::dom::Element Element;
michael@0: 
michael@0: public:
michael@0:   NS_DECL_QUERYFRAME_TARGET(nsMeterFrame)
michael@0:   NS_DECL_QUERYFRAME
michael@0:   NS_DECL_FRAMEARENA_HELPERS
michael@0: 
michael@0:   nsMeterFrame(nsStyleContext* aContext);
michael@0:   virtual ~nsMeterFrame();
michael@0: 
michael@0:   virtual void DestroyFrom(nsIFrame* aDestructRoot) MOZ_OVERRIDE;
michael@0: 
michael@0:   virtual nsresult Reflow(nsPresContext*           aCX,
michael@0:                           nsHTMLReflowMetrics&     aDesiredSize,
michael@0:                           const nsHTMLReflowState& aReflowState,
michael@0:                           nsReflowStatus&          aStatus) MOZ_OVERRIDE;
michael@0: 
michael@0: #ifdef DEBUG_FRAME_DUMP
michael@0:   virtual nsresult GetFrameName(nsAString& aResult) const MOZ_OVERRIDE {
michael@0:     return MakeFrameName(NS_LITERAL_STRING("Meter"), aResult);
michael@0:   }
michael@0: #endif
michael@0: 
michael@0:   virtual bool IsLeaf() const MOZ_OVERRIDE { return true; }
michael@0: 
michael@0:   // nsIAnonymousContentCreator
michael@0:   virtual nsresult CreateAnonymousContent(nsTArray<ContentInfo>& aElements) MOZ_OVERRIDE;
michael@0:   virtual void AppendAnonymousContentTo(nsBaseContentList& aElements,
michael@0:                                         uint32_t aFilter) MOZ_OVERRIDE;
michael@0: 
michael@0:   virtual nsresult AttributeChanged(int32_t  aNameSpaceID,
michael@0:                                     nsIAtom* aAttribute,
michael@0:                                     int32_t  aModType) MOZ_OVERRIDE;
michael@0: 
michael@0:   virtual nsSize ComputeAutoSize(nsRenderingContext *aRenderingContext,
michael@0:                                  nsSize aCBSize, nscoord aAvailableWidth,
michael@0:                                  nsSize aMargin, nsSize aBorder,
michael@0:                                  nsSize aPadding, bool aShrinkWrap) MOZ_OVERRIDE;
michael@0: 
michael@0:   virtual nscoord GetMinWidth(nsRenderingContext *aRenderingContext) MOZ_OVERRIDE;
michael@0:   virtual nscoord GetPrefWidth(nsRenderingContext *aRenderingContext) MOZ_OVERRIDE;
michael@0: 
michael@0:   virtual bool IsFrameOfType(uint32_t aFlags) const MOZ_OVERRIDE
michael@0:   {
michael@0:     return nsContainerFrame::IsFrameOfType(aFlags &
michael@0:       ~(nsIFrame::eReplaced | nsIFrame::eReplacedContainsBlock));
michael@0:   }
michael@0: 
michael@0:   /**
michael@0:    * Returns whether the frame and its child should use the native style.
michael@0:    */
michael@0:   bool ShouldUseNativeStyle() const;
michael@0: 
michael@0:   virtual Element* GetPseudoElement(nsCSSPseudoElements::Type aType) MOZ_OVERRIDE;
michael@0: 
michael@0: protected:
michael@0:   // Helper function which reflow the anonymous div frame.
michael@0:   void ReflowBarFrame(nsIFrame*                aBarFrame,
michael@0:                       nsPresContext*           aPresContext,
michael@0:                       const nsHTMLReflowState& aReflowState,
michael@0:                       nsReflowStatus&          aStatus);
michael@0:   /**
michael@0:    * The div used to show the meter bar.
michael@0:    * @see nsMeterFrame::CreateAnonymousContent
michael@0:    */
michael@0:   nsCOMPtr<Element> mBarDiv;
michael@0: };
michael@0: 
michael@0: #endif