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/*
* 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 THIRD_PARTY_BLINK_RENDERER_CORE_LAYOUT_LAYOUT_TEXT_CONTROL_MULTI_LINE_H_
#define THIRD_PARTY_BLINK_RENDERER_CORE_LAYOUT_LAYOUT_TEXT_CONTROL_MULTI_LINE_H_
#include "third_party/blink/renderer/core/layout/layout_text_control.h"
namespace blink {
class HTMLTextAreaElement;
class LayoutTextControlMultiLine final : public LayoutTextControl {
public:
LayoutTextControlMultiLine(HTMLTextAreaElement*);
~LayoutTextControlMultiLine() override;
private:
bool IsOfType(LayoutObjectType type) const override {
return type == kLayoutObjectTextArea || LayoutTextControl::IsOfType(type);
}
bool NodeAtPoint(HitTestResult&,
const HitTestLocation&,
const PhysicalOffset& accumulated_offset,
HitTestAction) override;
float GetAvgCharWidth(const AtomicString& family) const override;
LayoutUnit PreferredContentLogicalWidth(float char_width) const override;
LayoutUnit ComputeControlLogicalHeight(
LayoutUnit line_height,
LayoutUnit non_content_height) const override;
// We override the two baseline functions because we want our baseline to be
// the bottom of our margin box.
LayoutUnit BaselinePosition(
FontBaseline,
bool first_line,
LineDirectionMode,
LinePositionMode = kPositionOnContainingLine) const override;
LayoutUnit InlineBlockBaseline(LineDirectionMode) const override {
return LayoutUnit(-1);
}
LayoutObject* LayoutSpecialExcludedChild(bool relayout_children,
SubtreeLayoutScope&) override;
LayoutUnit ScrollWidth() const override;
LayoutUnit ScrollHeight() const override;
};
DEFINE_LAYOUT_OBJECT_TYPE_CASTS(LayoutTextControlMultiLine, IsTextArea());
} // namespace blink
#endif
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