1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
|
/*
* Copyright (C) 2008 Torch Mobile Inc. All rights reserved. (http://www.torchmobile.com/)
* Copyright (C) 2009 Apple Inc. All rights reserved.
*
* 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 LayoutTextControlMultiLine_h
#define LayoutTextControlMultiLine_h
#include "core/layout/LayoutTextControl.h"
namespace blink {
class HTMLTextAreaElement;
class LayoutTextControlMultiLine final : public LayoutTextControl {
public:
LayoutTextControlMultiLine(HTMLTextAreaElement*);
~LayoutTextControlMultiLine() override;
private:
bool isOfType(LayoutObjectType type) const override { return type == LayoutObjectTextArea || LayoutTextControl::isOfType(type); }
bool nodeAtPoint(HitTestResult&, const HitTestLocation& locationInContainer, const LayoutPoint& accumulatedOffset, HitTestAction) override;
float getAvgCharWidth(const AtomicString& family) const override;
LayoutUnit preferredContentLogicalWidth(float charWidth) const override;
LayoutUnit computeControlLogicalHeight(LayoutUnit lineHeight, LayoutUnit nonContentHeight) const override;
// We override the two baseline functions because we want our baseline to be the bottom of our margin box.
int baselinePosition(FontBaseline, bool firstLine, LineDirectionMode, LinePositionMode = PositionOnContainingLine) const override;
int inlineBlockBaseline(LineDirectionMode) const override { return -1; }
PassRefPtr<ComputedStyle> createInnerEditorStyle(const ComputedStyle& startStyle) const override;
LayoutObject* layoutSpecialExcludedChild(bool relayoutChildren, SubtreeLayoutScope&) override;
};
DEFINE_LAYOUT_OBJECT_TYPE_CASTS(LayoutTextControlMultiLine, isTextArea());
} // namespace blink
#endif
|
