| /* |
| * Copyright (C) 2006, 2007 Apple Inc. All rights reserved. |
| * (C) 2008 Torch Mobile Inc. All rights reserved. |
| * (http://www.torchmobile.com/) |
| * |
| * 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_H_ |
| #define THIRD_PARTY_BLINK_RENDERER_CORE_LAYOUT_LAYOUT_TEXT_CONTROL_H_ |
| |
| #include "third_party/blink/renderer/core/core_export.h" |
| #include "third_party/blink/renderer/core/layout/layout_block_flow.h" |
| #include "third_party/blink/renderer/core/layout/layout_flexible_box.h" |
| |
| namespace blink { |
| |
| class TextControlElement; |
| class TextControlInnerEditorElement; |
| |
| class CORE_EXPORT LayoutTextControl : public LayoutBlockFlow { |
| public: |
| ~LayoutTextControl() override; |
| |
| TextControlElement* GetTextControlElement() const; |
| const char* GetName() const override { |
| NOT_DESTROYED(); |
| return "LayoutTextControl"; |
| } |
| |
| bool CreatesNewFormattingContext() const final { |
| NOT_DESTROYED(); |
| // INPUT and other replaced elements rendered by Blink itself should be |
| // completely contained. |
| return true; |
| } |
| |
| static void StyleDidChange(HTMLElement* inner_editor, |
| const ComputedStyle* old_style, |
| const ComputedStyle& new_style); |
| static int ScrollbarThickness(const LayoutBox& box); |
| static float GetAvgCharWidth(const ComputedStyle& style); |
| static bool HasValidAvgCharWidth(const Font& font); |
| |
| static void HitInnerEditorElement(const LayoutBox& box, |
| HTMLElement& inner_editor, |
| HitTestResult&, |
| const HitTestLocation&, |
| const PhysicalOffset& accumulated_offset); |
| |
| protected: |
| LayoutTextControl(TextControlElement*); |
| |
| // This convenience function should not be made public because |
| // innerEditorElement may outlive the layout tree. |
| TextControlInnerEditorElement* InnerEditorElement() const; |
| |
| void StyleDidChange(StyleDifference, const ComputedStyle* old_style) override; |
| |
| LayoutObject* LayoutSpecialExcludedChild(bool relayout_children, |
| SubtreeLayoutScope&) override; |
| |
| LayoutUnit FirstLineBoxBaseline() const override; |
| |
| bool IsOfType(LayoutObjectType type) const override { |
| NOT_DESTROYED(); |
| return type == kLayoutObjectTextControl || LayoutBlockFlow::IsOfType(type); |
| } |
| |
| private: |
| void RemoveLeftoverAnonymousBlock(LayoutBlock*) final { NOT_DESTROYED(); } |
| |
| void AddOutlineRects(Vector<PhysicalRect>&, |
| const PhysicalOffset& additional_offset, |
| NGOutlineType) const final; |
| |
| bool CanBeProgramaticallyScrolled() const final { |
| NOT_DESTROYED(); |
| return true; |
| } |
| }; |
| |
| } // namespace blink |
| |
| #endif // THIRD_PARTY_BLINK_RENDERER_CORE_LAYOUT_LAYOUT_TEXT_CONTROL_H_ |