The Tor Browser: layout/forms/nsFieldSetFrame.h@8bccb770b82d

     1 /* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */

     2 /* This Source Code Form is subject to the terms of the Mozilla Public

     3  * License, v. 2.0. If a copy of the MPL was not distributed with this

     4  * file, You can obtain one at http://mozilla.org/MPL/2.0/. */

     6 #ifndef nsFieldSetFrame_h___

     7 #define nsFieldSetFrame_h___

     9 #include "mozilla/Attributes.h"

    10 #include "nsContainerFrame.h"

    12 class nsFieldSetFrame MOZ_FINAL : public nsContainerFrame

    13 {

    14 public:

    15   NS_DECL_FRAMEARENA_HELPERS

    17   nsFieldSetFrame(nsStyleContext* aContext);

    19   NS_HIDDEN_(nscoord)

    20     GetIntrinsicWidth(nsRenderingContext* aRenderingContext,

    21                       nsLayoutUtils::IntrinsicWidthType);

    22   virtual nscoord GetMinWidth(nsRenderingContext* aRenderingContext) MOZ_OVERRIDE;

    23   virtual nscoord GetPrefWidth(nsRenderingContext* aRenderingContext) MOZ_OVERRIDE;

    24   virtual nsSize ComputeSize(nsRenderingContext *aRenderingContext,

    25                              nsSize aCBSize, nscoord aAvailableWidth,

    26                              nsSize aMargin, nsSize aBorder, nsSize aPadding,

    27                              uint32_t aFlags) MOZ_OVERRIDE;

    28   virtual nscoord GetBaseline() const MOZ_OVERRIDE;

    30   /**

    31    * The area to paint box-shadows around.  It's the border rect except

    32    * when there's a <legend> we offset the y-position to the center of it.

    33    */

    34   virtual nsRect VisualBorderRectRelativeToSelf() const MOZ_OVERRIDE;

    36   virtual nsresult Reflow(nsPresContext*           aPresContext,

    37                           nsHTMLReflowMetrics&     aDesiredSize,

    38                           const nsHTMLReflowState& aReflowState,

    39                           nsReflowStatus&          aStatus) MOZ_OVERRIDE;

    41   virtual void BuildDisplayList(nsDisplayListBuilder*   aBuilder,

    42                                 const nsRect&           aDirtyRect,

    43                                 const nsDisplayListSet& aLists) MOZ_OVERRIDE;

    45   void PaintBorderBackground(nsRenderingContext& aRenderingContext,

    46     nsPoint aPt, const nsRect& aDirtyRect, uint32_t aBGFlags);

    48   virtual nsresult AppendFrames(ChildListID    aListID,

    49                                 nsFrameList&   aFrameList) MOZ_OVERRIDE;

    50   virtual nsresult InsertFrames(ChildListID    aListID,

    51                                 nsIFrame*      aPrevFrame,

    52                                 nsFrameList&   aFrameList) MOZ_OVERRIDE;

    53   virtual nsresult RemoveFrame(ChildListID    aListID,

    54                                nsIFrame*      aOldFrame) MOZ_OVERRIDE;

    56   virtual nsIAtom* GetType() const MOZ_OVERRIDE;

    57   virtual bool IsFrameOfType(uint32_t aFlags) const MOZ_OVERRIDE

    58   {

    59     return nsContainerFrame::IsFrameOfType(aFlags &

    60              ~nsIFrame::eCanContainOverflowContainers);

    61   }

    62   virtual nsIScrollableFrame* GetScrollTargetFrame() MOZ_OVERRIDE

    63   {

    64     return do_QueryFrame(GetInner());

    65   }

    67 #ifdef ACCESSIBILITY

    68   virtual mozilla::a11y::AccType AccessibleType() MOZ_OVERRIDE;

    69 #endif

    71 #ifdef DEBUG

    72   virtual nsresult SetInitialChildList(ChildListID    aListID,

    73                                        nsFrameList&   aChildList) MOZ_OVERRIDE;

    74 #endif

    76 #ifdef DEBUG_FRAME_DUMP

    77   virtual nsresult GetFrameName(nsAString& aResult) const MOZ_OVERRIDE {

    78     return MakeFrameName(NS_LITERAL_STRING("FieldSet"), aResult);

    79   }

    80 #endif

    82   /**

    83    * Return the anonymous frame that contains all descendants except

    84    * the legend frame.  This is currently always a block frame with

    85    * pseudo nsCSSAnonBoxes::fieldsetContent -- this may change in the

    86    * future when we add support for CSS overflow for <fieldset>.

    87    */

    88   nsIFrame* GetInner() const;

    90   /**

    91    * Return the frame that represents the legend if any.  This may be

    92    * a nsLegendFrame or a nsHTMLScrollFrame with the nsLegendFrame as the

    93    * scrolled frame (aka content insertion frame).

    94    */

    95   nsIFrame* GetLegend() const;

    97 protected:

    98   nsRect    mLegendRect;

    99   nscoord   mLegendSpace;

   100 };

   102 #endif // nsFieldSetFrame_h___

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