/* * 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 createInnerEditorStyle(const ComputedStyle& startStyle) const override; LayoutObject* layoutSpecialExcludedChild(bool relayoutChildren, SubtreeLayoutScope&) override; }; DEFINE_LAYOUT_OBJECT_TYPE_CASTS(LayoutTextControlMultiLine, isTextArea()); } // namespace blink #endif