| /* |
| * 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 == kLayoutObjectTextArea || LayoutTextControl::IsOfType(type); |
| } |
| |
| bool NodeAtPoint(HitTestResult&, |
| const HitTestLocation& location_in_container, |
| const LayoutPoint& 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); |
| } |
| |
| scoped_refptr<ComputedStyle> CreateInnerEditorStyle( |
| const ComputedStyle& start_style) const override; |
| LayoutObject* LayoutSpecialExcludedChild(bool relayout_children, |
| SubtreeLayoutScope&) override; |
| }; |
| |
| DEFINE_LAYOUT_OBJECT_TYPE_CASTS(LayoutTextControlMultiLine, IsTextArea()); |
| |
| } // namespace blink |
| |
| #endif |