layout/forms/nsMeterFrame.h

changeset 0
6474c204b198
     1.1 --- /dev/null	Thu Jan 01 00:00:00 1970 +0000
     1.2 +++ b/layout/forms/nsMeterFrame.h	Wed Dec 31 06:09:35 2014 +0100
     1.3 @@ -0,0 +1,86 @@
     1.4 +/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
     1.5 +/* This Source Code Form is subject to the terms of the Mozilla Public
     1.6 + * License, v. 2.0. If a copy of the MPL was not distributed with this
     1.7 + * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
     1.8 +
     1.9 +#ifndef nsMeterFrame_h___
    1.10 +#define nsMeterFrame_h___
    1.11 +
    1.12 +#include "mozilla/Attributes.h"
    1.13 +#include "nsContainerFrame.h"
    1.14 +#include "nsIAnonymousContentCreator.h"
    1.15 +#include "nsCOMPtr.h"
    1.16 +
    1.17 +class nsMeterFrame : public nsContainerFrame,
    1.18 +                     public nsIAnonymousContentCreator
    1.19 +
    1.20 +{
    1.21 +  typedef mozilla::dom::Element Element;
    1.22 +
    1.23 +public:
    1.24 +  NS_DECL_QUERYFRAME_TARGET(nsMeterFrame)
    1.25 +  NS_DECL_QUERYFRAME
    1.26 +  NS_DECL_FRAMEARENA_HELPERS
    1.27 +
    1.28 +  nsMeterFrame(nsStyleContext* aContext);
    1.29 +  virtual ~nsMeterFrame();
    1.30 +
    1.31 +  virtual void DestroyFrom(nsIFrame* aDestructRoot) MOZ_OVERRIDE;
    1.32 +
    1.33 +  virtual nsresult Reflow(nsPresContext*           aCX,
    1.34 +                          nsHTMLReflowMetrics&     aDesiredSize,
    1.35 +                          const nsHTMLReflowState& aReflowState,
    1.36 +                          nsReflowStatus&          aStatus) MOZ_OVERRIDE;
    1.37 +
    1.38 +#ifdef DEBUG_FRAME_DUMP
    1.39 +  virtual nsresult GetFrameName(nsAString& aResult) const MOZ_OVERRIDE {
    1.40 +    return MakeFrameName(NS_LITERAL_STRING("Meter"), aResult);
    1.41 +  }
    1.42 +#endif
    1.43 +
    1.44 +  virtual bool IsLeaf() const MOZ_OVERRIDE { return true; }
    1.45 +
    1.46 +  // nsIAnonymousContentCreator
    1.47 +  virtual nsresult CreateAnonymousContent(nsTArray<ContentInfo>& aElements) MOZ_OVERRIDE;
    1.48 +  virtual void AppendAnonymousContentTo(nsBaseContentList& aElements,
    1.49 +                                        uint32_t aFilter) MOZ_OVERRIDE;
    1.50 +
    1.51 +  virtual nsresult AttributeChanged(int32_t  aNameSpaceID,
    1.52 +                                    nsIAtom* aAttribute,
    1.53 +                                    int32_t  aModType) MOZ_OVERRIDE;
    1.54 +
    1.55 +  virtual nsSize ComputeAutoSize(nsRenderingContext *aRenderingContext,
    1.56 +                                 nsSize aCBSize, nscoord aAvailableWidth,
    1.57 +                                 nsSize aMargin, nsSize aBorder,
    1.58 +                                 nsSize aPadding, bool aShrinkWrap) MOZ_OVERRIDE;
    1.59 +
    1.60 +  virtual nscoord GetMinWidth(nsRenderingContext *aRenderingContext) MOZ_OVERRIDE;
    1.61 +  virtual nscoord GetPrefWidth(nsRenderingContext *aRenderingContext) MOZ_OVERRIDE;
    1.62 +
    1.63 +  virtual bool IsFrameOfType(uint32_t aFlags) const MOZ_OVERRIDE
    1.64 +  {
    1.65 +    return nsContainerFrame::IsFrameOfType(aFlags &
    1.66 +      ~(nsIFrame::eReplaced | nsIFrame::eReplacedContainsBlock));
    1.67 +  }
    1.68 +
    1.69 +  /**
    1.70 +   * Returns whether the frame and its child should use the native style.
    1.71 +   */
    1.72 +  bool ShouldUseNativeStyle() const;
    1.73 +
    1.74 +  virtual Element* GetPseudoElement(nsCSSPseudoElements::Type aType) MOZ_OVERRIDE;
    1.75 +
    1.76 +protected:
    1.77 +  // Helper function which reflow the anonymous div frame.
    1.78 +  void ReflowBarFrame(nsIFrame*                aBarFrame,
    1.79 +                      nsPresContext*           aPresContext,
    1.80 +                      const nsHTMLReflowState& aReflowState,
    1.81 +                      nsReflowStatus&          aStatus);
    1.82 +  /**
    1.83 +   * The div used to show the meter bar.
    1.84 +   * @see nsMeterFrame::CreateAnonymousContent
    1.85 +   */
    1.86 +  nsCOMPtr<Element> mBarDiv;
    1.87 +};
    1.88 +
    1.89 +#endif

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