The Tor Browser: layout/forms/nsProgressFrame.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 nsProgressFrame_h___

     7 #define nsProgressFrame_h___

     9 #include "mozilla/Attributes.h"

    10 #include "nsContainerFrame.h"

    11 #include "nsIAnonymousContentCreator.h"

    12 #include "nsCOMPtr.h"

    14 class nsBaseContentList;

    16 class nsProgressFrame : public nsContainerFrame,

    17                         public nsIAnonymousContentCreator

    18 {

    19   typedef mozilla::dom::Element Element;

    21 public:

    22   NS_DECL_QUERYFRAME_TARGET(nsProgressFrame)

    23   NS_DECL_QUERYFRAME

    24   NS_DECL_FRAMEARENA_HELPERS

    26   nsProgressFrame(nsStyleContext* aContext);

    27   virtual ~nsProgressFrame();

    29   virtual void DestroyFrom(nsIFrame* aDestructRoot) MOZ_OVERRIDE;

    31   virtual void BuildDisplayList(nsDisplayListBuilder*   aBuilder,

    32                                 const nsRect&           aDirtyRect,

    33                                 const nsDisplayListSet& aLists) MOZ_OVERRIDE;

    35   virtual nsresult Reflow(nsPresContext*           aCX,

    36                           nsHTMLReflowMetrics&     aDesiredSize,

    37                           const nsHTMLReflowState& aReflowState,

    38                           nsReflowStatus&          aStatus) MOZ_OVERRIDE;

    40 #ifdef DEBUG_FRAME_DUMP

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

    42     return MakeFrameName(NS_LITERAL_STRING("Progress"), aResult);

    43   }

    44 #endif

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

    48   // nsIAnonymousContentCreator

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

    50   virtual void AppendAnonymousContentTo(nsBaseContentList& aElements,

    51                                         uint32_t aFilter) MOZ_OVERRIDE;

    53   virtual nsresult AttributeChanged(int32_t  aNameSpaceID,

    54                                     nsIAtom* aAttribute,

    55                                     int32_t  aModType) MOZ_OVERRIDE;

    57   virtual nsSize ComputeAutoSize(nsRenderingContext *aRenderingContext,

    58                                  nsSize aCBSize, nscoord aAvailableWidth,

    59                                  nsSize aMargin, nsSize aBorder,

    60                                  nsSize aPadding, bool aShrinkWrap) MOZ_OVERRIDE;

    62   virtual nscoord GetMinWidth(nsRenderingContext *aRenderingContext) MOZ_OVERRIDE;

    63   virtual nscoord GetPrefWidth(nsRenderingContext *aRenderingContext) MOZ_OVERRIDE;

    65   virtual bool IsFrameOfType(uint32_t aFlags) const MOZ_OVERRIDE

    66   {

    67     return nsContainerFrame::IsFrameOfType(aFlags &

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

    69   }

    71   /**

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

    73    */

    74   bool ShouldUseNativeStyle() const;

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

    78 protected:

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

    80   void ReflowBarFrame(nsIFrame*                aBarFrame,

    81                       nsPresContext*           aPresContext,

    82                       const nsHTMLReflowState& aReflowState,

    83                       nsReflowStatus&          aStatus);

    85   /**

    86    * The div used to show the progress bar.

    87    * @see nsProgressFrame::CreateAnonymousContent

    88    */

    89   nsCOMPtr<Element> mBarDiv;

    90 };

    92 #endif

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