The Tor Browser: layout/forms/nsMeterFrame.h@6474c204b198

Cloned upstream origin tor-browser at tor-browser-31.3.0esr-4.5-1-build1
revision ID fc1c9ff7c1b2defdbc039f12214767608f46423f for hacking purpose.

     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 nsMeterFrame_h___

     7 #define nsMeterFrame_h___

     9 #include "mozilla/Attributes.h"

    10 #include "nsContainerFrame.h"

    11 #include "nsIAnonymousContentCreator.h"

    12 #include "nsCOMPtr.h"

    14 class nsMeterFrame : public nsContainerFrame,

    15                      public nsIAnonymousContentCreator

    17 {

    18   typedef mozilla::dom::Element Element;

    20 public:

    21   NS_DECL_QUERYFRAME_TARGET(nsMeterFrame)

    22   NS_DECL_QUERYFRAME

    23   NS_DECL_FRAMEARENA_HELPERS

    25   nsMeterFrame(nsStyleContext* aContext);

    26   virtual ~nsMeterFrame();

    28   virtual void DestroyFrom(nsIFrame* aDestructRoot) MOZ_OVERRIDE;

    30   virtual nsresult Reflow(nsPresContext*           aCX,

    31                           nsHTMLReflowMetrics&     aDesiredSize,

    32                           const nsHTMLReflowState& aReflowState,

    33                           nsReflowStatus&          aStatus) MOZ_OVERRIDE;

    35 #ifdef DEBUG_FRAME_DUMP

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

    37     return MakeFrameName(NS_LITERAL_STRING("Meter"), aResult);

    38   }

    39 #endif

    41   virtual bool IsLeaf() const MOZ_OVERRIDE { return true; }

    43   // nsIAnonymousContentCreator

    44   virtual nsresult CreateAnonymousContent(nsTArray<ContentInfo>& aElements) MOZ_OVERRIDE;

    45   virtual void AppendAnonymousContentTo(nsBaseContentList& aElements,

    46                                         uint32_t aFilter) MOZ_OVERRIDE;

    48   virtual nsresult AttributeChanged(int32_t  aNameSpaceID,

    49                                     nsIAtom* aAttribute,

    50                                     int32_t  aModType) MOZ_OVERRIDE;

    52   virtual nsSize ComputeAutoSize(nsRenderingContext *aRenderingContext,

    53                                  nsSize aCBSize, nscoord aAvailableWidth,

    54                                  nsSize aMargin, nsSize aBorder,

    55                                  nsSize aPadding, bool aShrinkWrap) MOZ_OVERRIDE;

    57   virtual nscoord GetMinWidth(nsRenderingContext *aRenderingContext) MOZ_OVERRIDE;

    58   virtual nscoord GetPrefWidth(nsRenderingContext *aRenderingContext) MOZ_OVERRIDE;

    60   virtual bool IsFrameOfType(uint32_t aFlags) const MOZ_OVERRIDE

    61   {

    62     return nsContainerFrame::IsFrameOfType(aFlags &

    63       ~(nsIFrame::eReplaced | nsIFrame::eReplacedContainsBlock));

    64   }

    66   /**

    67    * Returns whether the frame and its child should use the native style.

    68    */

    69   bool ShouldUseNativeStyle() const;

    71   virtual Element* GetPseudoElement(nsCSSPseudoElements::Type aType) MOZ_OVERRIDE;

    73 protected:

    74   // Helper function which reflow the anonymous div frame.

    75   void ReflowBarFrame(nsIFrame*                aBarFrame,

    76                       nsPresContext*           aPresContext,

    77                       const nsHTMLReflowState& aReflowState,

    78                       nsReflowStatus&          aStatus);

    79   /**

    80    * The div used to show the meter bar.

    81    * @see nsMeterFrame::CreateAnonymousContent

    82    */

    83   nsCOMPtr<Element> mBarDiv;

    84 };

    86 #endif

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