1 /*
2 * Copyright (C) 2008 Torch Mobile Inc. All rights reserved. (http://www.torchmobile.com/)
3 * Copyright (C) 2009 Apple Inc. All rights reserved.
4 *
5 * This library is free software; you can redistribute it and/or
6 * modify it under the terms of the GNU Library General Public
7 * License as published by the Free Software Foundation; either
8 * version 2 of the License, or (at your option) any later version.
9 *
10 * This library is distributed in the hope that it will be useful,
11 * but WITHOUT ANY WARRANTY; without even the implied warranty of
12 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
13 * Library General Public License for more details.
14 *
15 * You should have received a copy of the GNU Library General Public License
16 * along with this library; see the file COPYING.LIB. If not, write to
17 * the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
18 * Boston, MA 02110-1301, USA.
19 *
20 */
21
22 #ifndef RenderTextControlMultiLine_h
23 #define RenderTextControlMultiLine_h
24
25 #include "RenderTextControl.h"
26
27 namespace WebCore {
28
29 class RenderTextControlMultiLine : public RenderTextControl {
30 public:
31 RenderTextControlMultiLine(Node*, bool);
32 virtual ~RenderTextControlMultiLine();
33
34 void forwardEvent(Event*);
35
36 private:
isTextArea()37 virtual bool isTextArea() const { return true; }
38
39 virtual void subtreeHasChanged();
40
41 virtual bool nodeAtPoint(const HitTestRequest&, HitTestResult&, int x, int y, int tx, int ty, HitTestAction);
42
43 virtual float getAvgCharWidth(AtomicString family);
44 virtual int preferredContentWidth(float charWidth) const;
45 virtual void adjustControlHeightBasedOnLineHeight(int lineHeight);
46 virtual int baselinePosition(FontBaseline, bool firstLine, LineDirectionMode, LinePositionMode = PositionOnContainingLine) const;
47
48 virtual void updateFromElement();
49 virtual void cacheSelection(int start, int end);
50
51 virtual RenderStyle* textBaseStyle() const;
52 virtual PassRefPtr<RenderStyle> createInnerTextStyle(const RenderStyle* startStyle) const;
53 virtual int textBlockInsetLeft() const;
54 virtual int textBlockInsetRight() const;
55 virtual int textBlockInsetTop() const;
56 };
57
toRenderTextControlMultiLine(RenderObject * object)58 inline RenderTextControlMultiLine* toRenderTextControlMultiLine(RenderObject* object)
59 {
60 ASSERT(!object || object->isTextArea());
61 return static_cast<RenderTextControlMultiLine*>(object);
62 }
63
64 // This will catch anyone doing an unnecessary cast.
65 void toRenderTextControlMultiLine(const RenderTextControlMultiLine*);
66
67 }
68
69 #endif
70