Merge WebKit at r75315: Initial merge by git.

Change-Id: I570314b346ce101c935ed22a626b48c2af266b84

1 files changed, 82 insertions, 0 deletions

diff --git a/Source/WebCore/rendering/RenderBR.h b/Source/WebCore/rendering/RenderBR.h
new file mode 100644
index 0000000..7216b5a
--- /dev/null
+++ b/Source/WebCore/rendering/RenderBR.h
@@ -0,0 +1,82 @@
+/*
+ * Copyright (C) 2000 Lars Knoll (knoll@kde.org)
+ *
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Library General Public
+ * License as published by the Free Software Foundation; either
+ * version 2 of the License, or (at your option) any later version.
+ *
+ * This library is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ * Library General Public License for more details.
+ *
+ * You should have received a copy of the GNU Library General Public License
+ * along with this library; see the file COPYING.LIB.  If not, write to
+ * the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
+ * Boston, MA 02110-1301, USA.
+ *
+ */
+
+#ifndef RenderBR_h
+#define RenderBR_h
+
+#include "RenderText.h"
+
+/*
+ * The whole class here is a hack to get <br> working, as long as we don't have support for
+ * CSS2 :before and :after pseudo elements
+ */
+namespace WebCore {
+
+class Position;
+
+class RenderBR : public RenderText {
+public:
+    RenderBR(Node*);
+    virtual ~RenderBR();
+
+    virtual const char* renderName() const { return "RenderBR"; }
+ 
+    virtual IntRect selectionRectForRepaint(RenderBoxModelObject* /*repaintContainer*/, bool /*clipToVisibleContent*/) { return IntRect(); }
+
+    virtual unsigned width(unsigned /*from*/, unsigned /*len*/, const Font&, int /*xpos*/) const { return 0; }
+    virtual unsigned width(unsigned /*from*/, unsigned /*len*/, int /*xpos*/, bool /*firstLine = false*/) const { return 0; }
+
+    int lineHeight(bool firstLine) const;
+
+    // overrides
+    virtual bool isBR() const { return true; }
+
+    virtual int caretMinOffset() const;
+    virtual int caretMaxOffset() const;
+    virtual unsigned caretMaxRenderedOffset() const;
+
+    virtual VisiblePosition positionForPoint(const IntPoint&);
+
+protected:
+    virtual void styleDidChange(StyleDifference, const RenderStyle* oldStyle);
+
+private:
+    mutable int m_lineHeight;
+};
+
+
+inline RenderBR* toRenderBR(RenderObject* object)
+{ 
+    ASSERT(!object || object->isBR());
+    return static_cast<RenderBR*>(object);
+}
+
+inline const RenderBR* toRenderBR(const RenderObject* object)
+{ 
+    ASSERT(!object || object->isBR());
+    return static_cast<const RenderBR*>(object);
+}
+
+// This will catch anyone doing an unnecessary cast.
+void toRenderBR(const RenderBR*);
+
+} // namespace WebCore
+
+#endif // RenderBR_h