1 files changed, 128 insertions, 0 deletions
diff --git a/layout/xul/nsTextBoxFrame.h b/layout/xul/nsTextBoxFrame.h
new file mode 100644
index 0000000000..14e45bc9bd
--- /dev/null
+++ b/layout/xul/nsTextBoxFrame.h
@@ -0,0 +1,128 @@
+/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
+/* vim: set ts=8 sts=2 et sw=2 tw=80: */
+/* This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
+#ifndef nsTextBoxFrame_h___
+#define nsTextBoxFrame_h___
+
+#include "mozilla/Attributes.h"
+#include "nsLeafBoxFrame.h"
+
+class nsAccessKeyInfo;
+class nsAsyncAccesskeyUpdate;
+class nsFontMetrics;
+
+namespace mozilla {
+class nsDisplayXULTextBox;
+class PresShell;
+}  // namespace mozilla
+
+class nsTextBoxFrame final : public nsLeafBoxFrame {
+ public:
+  NS_DECL_QUERYFRAME
+  NS_DECL_FRAMEARENA_HELPERS(nsTextBoxFrame)
+
+  virtual nsSize GetXULPrefSize(nsBoxLayoutState& aBoxLayoutState) override;
+  virtual nsSize GetXULMinSize(nsBoxLayoutState& aBoxLayoutState) override;
+  virtual nscoord GetXULBoxAscent(nsBoxLayoutState& aBoxLayoutState) override;
+  NS_IMETHOD DoXULLayout(nsBoxLayoutState& aBoxLayoutState) override;
+  virtual void MarkIntrinsicISizesDirty() override;
+
+  enum CroppingStyle { CropNone, CropLeft, CropRight, CropCenter, CropAuto };
+
+  friend nsIFrame* NS_NewTextBoxFrame(mozilla::PresShell* aPresShell,
+                                      ComputedStyle* aStyle);
+
+  virtual void Init(nsIContent* aContent, nsContainerFrame* aParent,
+                    nsIFrame* asPrevInFlow) override;
+
+  virtual nsresult AttributeChanged(int32_t aNameSpaceID, nsAtom* aAttribute,
+                                    int32_t aModType) override;
+
+#ifdef DEBUG_FRAME_DUMP
+  virtual nsresult GetFrameName(nsAString& aResult) const override;
+#endif
+
+  void UpdateAttributes(nsAtom* aAttribute, bool& aResize, bool& aRedraw);
+
+  virtual void BuildDisplayList(nsDisplayListBuilder* aBuilder,
+                                const nsDisplayListSet& aLists) override;
+
+  virtual ~nsTextBoxFrame();
+
+  void PaintTitle(gfxContext& aRenderingContext, const nsRect& aDirtyRect,
+                  nsPoint aPt, const nscolor* aOverrideColor);
+
+  nsRect GetComponentAlphaBounds() const;
+
+  virtual bool XULComputesOwnOverflowArea() override;
+
+  void GetCroppedTitle(nsString& aTitle) const { aTitle = mCroppedTitle; }
+
+  virtual void DidSetComputedStyle(ComputedStyle* aOldComputedStyle) override;
+
+  // Helper for GetCroppedTitle, factored out so that we can also use it from
+  // nsTreeBodyFrame::AdjustForCellText.
+  static void CropStringForWidth(nsAString& aText,
+                                 gfxContext& aRenderingContext,
+                                 nsFontMetrics& aFontMetrics, nscoord aWidth,
+                                 CroppingStyle aCropType);
+
+  static bool AlwaysAppendAccessKey();
+  static bool InsertSeparatorBeforeAccessKey();
+
+ protected:
+  friend class nsAsyncAccesskeyUpdate;
+  friend class mozilla::nsDisplayXULTextBox;
+  // Should be called only by nsAsyncAccesskeyUpdate.
+  // Returns true if accesskey was updated.
+  bool UpdateAccesskey(WeakFrame& aWeakThis);
+  void UpdateAccessTitle();
+  void UpdateAccessIndex();
+
+  // Recompute our title, ignoring the access key but taking into
+  // account text-transform.
+  void RecomputeTitle();
+
+  // REVIEW: SORRY! Couldn't resist devirtualizing these
+  void LayoutTitle(nsPresContext* aPresContext, gfxContext& aRenderingContext,
+                   const nsRect& aRect);
+
+  void CalculateUnderline(DrawTarget* aDrawTarget, nsFontMetrics& aFontMetrics);
+
+  void CalcTextSize(nsBoxLayoutState& aBoxLayoutState);
+
+  void CalcDrawRect(gfxContext& aRenderingContext);
+
+  explicit nsTextBoxFrame(ComputedStyle* aStyle, nsPresContext* aPresContext);
+
+  nscoord CalculateTitleForWidth(gfxContext& aRenderingContext, nscoord aWidth);
+
+  void GetTextSize(gfxContext& aRenderingContext, const nsString& aString,
+                   nsSize& aSize, nscoord& aAscent);
+
+ private:
+  void DrawText(gfxContext& aRenderingContext, const nsRect& aDirtyRect,
+                const nsRect& aTextRect, const nscolor* aOverrideColor);
+
+  nsString mTitle;
+  nsString mCroppedTitle;
+  nsString mAccessKey;
+  nsSize mTextSize;
+  nsRect mTextDrawRect;
+  nsAccessKeyInfo* mAccessKeyInfo;
+
+  CroppingStyle mCropType;
+  nscoord mAscent;
+  bool mNeedsRecalc;
+  bool mNeedsReflowCallback;
+
+  static bool gAlwaysAppendAccessKey;
+  static bool gAccessKeyPrefInitialized;
+  static bool gInsertSeparatorBeforeAccessKey;
+  static bool gInsertSeparatorPrefInitialized;
+
+};  // class nsTextBoxFrame
+
+#endif /* nsTextBoxFrame_h___ */