layout/forms/nsGfxButtonControlFrame.h

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  37
  38 #ifndef nsGfxButtonControlFrame_h___
  39 #define nsGfxButtonControlFrame_h___
  40
  41 #include "nsFormControlFrame.h"
  42 #include "nsHTMLButtonControlFrame.h"
  43 #include "nsCOMPtr.h"
  44 #include "nsIAnonymousContentCreator.h"
  45
  46 #ifdef ACCESSIBILITY
  47 class nsIAccessible;
  48 #endif
  49
  50 // Class which implements the input[type=button, reset, submit] and
  51 // browse button for input[type=file].
  52 // The label for button is specified through generated content
  53 // in the ua.css file.
  54
  55 class nsGfxButtonControlFrame : public nsHTMLButtonControlFrame,
  56                                 public nsIAnonymousContentCreator
  57 {
  58 public:
  59   NS_DECL_FRAMEARENA_HELPERS
  60
  61   nsGfxButtonControlFrame(nsStyleContext* aContext);
  62
  63   virtual void DestroyFrom(nsIFrame* aDestructRoot);
  64
  65   NS_IMETHOD HandleEvent(nsPresContext* aPresContext,
  66                          nsGUIEvent* aEvent,
  67                          nsEventStatus* aEventStatus);
  68
  69   virtual nsIAtom* GetType() const;
  70
  71 #ifdef DEBUG
  72   NS_IMETHOD GetFrameName(nsAString& aResult) const;
  73 #endif
  74
  75   NS_DECL_QUERYFRAME
  76
  77   // nsIAnonymousContentCreator
  78   virtual nsresult CreateAnonymousContent(nsTArray<nsIContent*>& aElements);
  79   virtual void AppendAnonymousContentTo(nsBaseContentList& aElements,
  80                                         PRUint32 aFilter);
  81   virtual nsIFrame* CreateFrameFor(nsIContent* aContent);
  82
  83   // nsIFormControlFrame
  84   virtual nsresult GetFormProperty(nsIAtom* aName, nsAString& aValue) const;
  85
  86
  87   NS_IMETHOD AttributeChanged(PRInt32         aNameSpaceID,
  88                               nsIAtom*        aAttribute,
  89                               PRInt32         aModType);
  90
  91   virtual PRBool IsLeaf() const;
  92
  93   virtual nsIFrame* GetContentInsertionFrame();
  94
  95 protected:
  96   nsresult GetDefaultLabel(nsXPIDLString& aLabel);
  97
  98   nsresult GetLabel(nsXPIDLString& aLabel);
  99
 100   PRBool IsFileBrowseButton(PRInt32 type); // Browse button of file input
 101
 102   virtual PRBool IsInput() { return PR_TRUE; }
 103 private:
 104   nsSize mSuggestedSize;
 105   nsCOMPtr<nsIContent> mTextContent;
 106 };
 107
 108
 109 #endif
 110