michael@0: /* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
michael@0: /* This Source Code Form is subject to the terms of the Mozilla Public
michael@0:  * License, v. 2.0. If a copy of the MPL was not distributed with this
michael@0:  * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
michael@0: #ifndef nsTextBoxFrame_h___
michael@0: #define nsTextBoxFrame_h___
michael@0: 
michael@0: #include "mozilla/Attributes.h"
michael@0: #include "nsLeafBoxFrame.h"
michael@0: 
michael@0: class nsAccessKeyInfo;
michael@0: class nsAsyncAccesskeyUpdate;
michael@0: 
michael@0: typedef nsLeafBoxFrame nsTextBoxFrameSuper;
michael@0: class nsTextBoxFrame : public nsTextBoxFrameSuper
michael@0: {
michael@0: public:
michael@0:   NS_DECL_QUERYFRAME_TARGET(nsTextBoxFrame)
michael@0:   NS_DECL_QUERYFRAME
michael@0:   NS_DECL_FRAMEARENA_HELPERS
michael@0: 
michael@0:   virtual nsSize GetPrefSize(nsBoxLayoutState& aBoxLayoutState) MOZ_OVERRIDE;
michael@0:   virtual nsSize GetMinSize(nsBoxLayoutState& aBoxLayoutState) MOZ_OVERRIDE;
michael@0:   virtual nscoord GetBoxAscent(nsBoxLayoutState& aBoxLayoutState) MOZ_OVERRIDE;
michael@0:   NS_IMETHOD DoLayout(nsBoxLayoutState& aBoxLayoutState) MOZ_OVERRIDE;
michael@0:   virtual void MarkIntrinsicWidthsDirty() MOZ_OVERRIDE;
michael@0: 
michael@0:   enum CroppingStyle { CropNone, CropLeft, CropRight, CropCenter };
michael@0: 
michael@0:   friend nsIFrame* NS_NewTextBoxFrame(nsIPresShell* aPresShell, nsStyleContext* aContext);
michael@0: 
michael@0:   virtual void Init(nsIContent*      aContent,
michael@0:                     nsIFrame*        aParent,
michael@0:                     nsIFrame*        asPrevInFlow) MOZ_OVERRIDE;
michael@0: 
michael@0:   virtual void DestroyFrom(nsIFrame* aDestructRoot) MOZ_OVERRIDE;
michael@0: 
michael@0:   virtual nsresult AttributeChanged(int32_t         aNameSpaceID,
michael@0:                                     nsIAtom*        aAttribute,
michael@0:                                     int32_t         aModType) MOZ_OVERRIDE;
michael@0: 
michael@0: #ifdef DEBUG_FRAME_DUMP
michael@0:   virtual nsresult GetFrameName(nsAString& aResult) const MOZ_OVERRIDE;
michael@0: #endif
michael@0: 
michael@0:   void UpdateAttributes(nsIAtom*         aAttribute,
michael@0:                         bool&          aResize,
michael@0:                         bool&          aRedraw);
michael@0: 
michael@0:   virtual void BuildDisplayList(nsDisplayListBuilder*   aBuilder,
michael@0:                                 const nsRect&           aDirtyRect,
michael@0:                                 const nsDisplayListSet& aLists) MOZ_OVERRIDE;
michael@0: 
michael@0:   virtual ~nsTextBoxFrame();
michael@0: 
michael@0:   void PaintTitle(nsRenderingContext& aRenderingContext,
michael@0:                   const nsRect&        aDirtyRect,
michael@0:                   nsPoint              aPt,
michael@0:                   const nscolor*       aOverrideColor);
michael@0: 
michael@0:   nsRect GetComponentAlphaBounds();
michael@0: 
michael@0:   virtual bool ComputesOwnOverflowArea() MOZ_OVERRIDE;
michael@0: 
michael@0:   void GetCroppedTitle(nsString& aTitle) const { aTitle = mCroppedTitle; }
michael@0: 
michael@0: protected:
michael@0:   friend class nsAsyncAccesskeyUpdate;
michael@0:   friend class nsDisplayXULTextBox;
michael@0:   // Should be called only by nsAsyncAccesskeyUpdate.
michael@0:   // Returns true if accesskey was updated.
michael@0:   bool UpdateAccesskey(nsWeakFrame& aWeakThis);
michael@0:   void UpdateAccessTitle();
michael@0:   void UpdateAccessIndex();
michael@0: 
michael@0:   // REVIEW: SORRY! Couldn't resist devirtualizing these
michael@0:   void LayoutTitle(nsPresContext*      aPresContext,
michael@0:                    nsRenderingContext& aRenderingContext,
michael@0:                    const nsRect&        aRect);
michael@0: 
michael@0:   void CalculateUnderline(nsRenderingContext& aRenderingContext);
michael@0: 
michael@0:   void CalcTextSize(nsBoxLayoutState& aBoxLayoutState);
michael@0: 
michael@0:   void CalcDrawRect(nsRenderingContext &aRenderingContext);
michael@0: 
michael@0:   nsTextBoxFrame(nsIPresShell* aShell, nsStyleContext* aContext);
michael@0: 
michael@0:   nscoord CalculateTitleForWidth(nsPresContext*      aPresContext,
michael@0:                                  nsRenderingContext& aRenderingContext,
michael@0:                                  nscoord              aWidth);
michael@0: 
michael@0:   void GetTextSize(nsPresContext*      aPresContext,
michael@0:                    nsRenderingContext& aRenderingContext,
michael@0:                    const nsString&      aString,
michael@0:                    nsSize&              aSize,
michael@0:                    nscoord&             aAscent);
michael@0: 
michael@0:   nsresult RegUnregAccessKey(bool aDoReg);
michael@0: 
michael@0: private:
michael@0: 
michael@0:   bool AlwaysAppendAccessKey();
michael@0:   bool InsertSeparatorBeforeAccessKey();
michael@0: 
michael@0:   void DrawText(nsRenderingContext& aRenderingContext,
michael@0:                 const nsRect&       aDirtyRect,
michael@0:                 const nsRect&       aTextRect,
michael@0:                 const nscolor*      aOverrideColor);
michael@0: 
michael@0:   nsString mTitle;
michael@0:   nsString mCroppedTitle;
michael@0:   nsString mAccessKey;
michael@0:   nsSize mTextSize;
michael@0:   nsRect mTextDrawRect;
michael@0:   nsAccessKeyInfo* mAccessKeyInfo;
michael@0: 
michael@0:   CroppingStyle mCropType;
michael@0:   nscoord mAscent;
michael@0:   bool mNeedsRecalc;
michael@0:   bool mNeedsReflowCallback;
michael@0: 
michael@0:   static bool gAlwaysAppendAccessKey;
michael@0:   static bool gAccessKeyPrefInitialized;
michael@0:   static bool gInsertSeparatorBeforeAccessKey;
michael@0:   static bool gInsertSeparatorPrefInitialized;
michael@0: 
michael@0: }; // class nsTextBoxFrame
michael@0: 
michael@0: #endif /* nsTextBoxFrame_h___ */