1 /* 2 * Copyright (C) 2006, 2007, 2009 Apple Inc. All rights reserved. 3 * Copyright (C) 2008 Torch Mobile Inc. All rights reserved. 4 * (http://www.torchmobile.com/) 5 * Copyright (C) 2010 Nokia Corporation and/or its subsidiary(-ies). 6 * 7 * This library is free software; you can redistribute it and/or 8 * modify it under the terms of the GNU Library General Public 9 * License as published by the Free Software Foundation; either 10 * version 2 of the License, or (at your option) any later version. 11 * 12 * This library is distributed in the hope that it will be useful, 13 * but WITHOUT ANY WARRANTY; without even the implied warranty of 14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU 15 * Library General Public License for more details. 16 * 17 * You should have received a copy of the GNU Library General Public License 18 * along with this library; see the file COPYING.LIB. If not, write to 19 * the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, 20 * Boston, MA 02110-1301, USA. 21 * 22 */ 23 24 #ifndef THIRD_PARTY_BLINK_RENDERER_CORE_LAYOUT_LAYOUT_TEXT_CONTROL_SINGLE_LINE_H_ 25 #define THIRD_PARTY_BLINK_RENDERER_CORE_LAYOUT_LAYOUT_TEXT_CONTROL_SINGLE_LINE_H_ 26 27 #include "third_party/blink/renderer/core/layout/layout_text_control.h" 28 29 namespace blink { 30 31 // LayoutObject for text-field <input>s. 32 // 33 // This class inherits from LayoutTextControl and LayoutBlockFlow. If we'd like 34 // to change the base class, we need to make sure that 35 // ShouldIgnoreOverflowPropertyForInlineBlockBaseline flag works with the new 36 // base class. 37 class LayoutTextControlSingleLine : public LayoutTextControl { 38 public: 39 explicit LayoutTextControlSingleLine(Element*); 40 ~LayoutTextControlSingleLine() override; 41 42 protected: 43 Element* ContainerElement() const; 44 Element* EditingViewPortElement() const; 45 HTMLInputElement* InputElement() const; 46 47 private: IsOfType(LayoutObjectType type)48 bool IsOfType(LayoutObjectType type) const override { 49 NOT_DESTROYED(); 50 return type == kLayoutObjectTextControlSingleLine || 51 LayoutTextControl::IsOfType(type); 52 } 53 54 void Paint(const PaintInfo&) const override; 55 void UpdateLayout() override; 56 57 bool NodeAtPoint(HitTestResult&, 58 const HitTestLocation&, 59 const PhysicalOffset& accumulated_offset, 60 HitTestAction) final; 61 62 int TextBlockWidth() const; 63 64 void ComputeVisualOverflow(bool recompute_floats) override; 65 66 // If the INPUT content height is smaller than the font height, the 67 // inner-editor element overflows the INPUT box intentionally, however it 68 // shouldn't affect outside of the INPUT box. So we ignore child overflow. AddLayoutOverflowFromChildren()69 void AddLayoutOverflowFromChildren() final { NOT_DESTROYED(); } 70 AllowsNonVisibleOverflow()71 bool AllowsNonVisibleOverflow() const override { 72 NOT_DESTROYED(); 73 return false; 74 } 75 76 HTMLElement* InnerSpinButtonElement() const; 77 }; 78 79 // ---------------------------- 80 81 class LayoutTextControlInnerEditor : public LayoutBlockFlow { 82 public: LayoutTextControlInnerEditor(Element * element)83 LayoutTextControlInnerEditor(Element* element) : LayoutBlockFlow(element) { 84 NOT_DESTROYED(); 85 } 86 87 private: IsIntrinsicallyScrollable(ScrollbarOrientation orientation)88 bool IsIntrinsicallyScrollable( 89 ScrollbarOrientation orientation) const override { 90 NOT_DESTROYED(); 91 return orientation == kHorizontalScrollbar; 92 } ScrollsOverflowX()93 bool ScrollsOverflowX() const override { 94 NOT_DESTROYED(); 95 return IsScrollContainer(); 96 } ScrollsOverflowY()97 bool ScrollsOverflowY() const override { 98 NOT_DESTROYED(); 99 return false; 100 } 101 }; 102 103 } // namespace blink 104 105 #endif 106