1 /* 2 * Copyright (C) 2006, 2007, 2009 Apple Inc. All rights reserved. 3 * Copyright (C) 2008 Torch Mobile Inc. All rights reserved. (http://www.torchmobile.com/) 4 * Copyright (C) 2010 Nokia Corporation and/or its subsidiary(-ies). 5 * 6 * This library is free software; you can redistribute it and/or 7 * modify it under the terms of the GNU Library General Public 8 * License as published by the Free Software Foundation; either 9 * version 2 of the License, or (at your option) any later version. 10 * 11 * This library is distributed in the hope that it will be useful, 12 * but WITHOUT ANY WARRANTY; without even the implied warranty of 13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU 14 * Library General Public License for more details. 15 * 16 * You should have received a copy of the GNU Library General Public License 17 * along with this library; see the file COPYING.LIB. If not, write to 18 * the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, 19 * Boston, MA 02110-1301, USA. 20 * 21 */ 22 23 #ifndef RenderTextControlSingleLine_h 24 #define RenderTextControlSingleLine_h 25 26 #include "core/html/HTMLInputElement.h" 27 #include "core/rendering/RenderTextControl.h" 28 29 namespace WebCore { 30 31 class HTMLInputElement; 32 33 class RenderTextControlSingleLine : public RenderTextControl { 34 public: 35 RenderTextControlSingleLine(HTMLInputElement*); 36 virtual ~RenderTextControlSingleLine(); 37 // FIXME: Move createInnerEditorStyle() to TextControlInnerEditorElement. 38 virtual PassRefPtr<RenderStyle> createInnerEditorStyle(const RenderStyle* startStyle) const OVERRIDE FINAL; 39 40 void capsLockStateMayHaveChanged(); 41 42 protected: centerContainerIfNeeded(RenderBox *)43 virtual void centerContainerIfNeeded(RenderBox*) const { } 44 virtual LayoutUnit computeLogicalHeightLimit() const; 45 Element* containerElement() const; 46 Element* editingViewPortElement() const; 47 HTMLInputElement* inputElement() const; 48 49 private: 50 virtual bool hasControlClip() const OVERRIDE FINAL; 51 virtual LayoutRect controlClipRect(const LayoutPoint&) const OVERRIDE FINAL; isTextField()52 virtual bool isTextField() const OVERRIDE FINAL { return true; } 53 54 virtual void paint(PaintInfo&, const LayoutPoint&) OVERRIDE; 55 virtual void layout() OVERRIDE; 56 57 virtual bool nodeAtPoint(const HitTestRequest&, HitTestResult&, const HitTestLocation& locationInContainer, const LayoutPoint& accumulatedOffset, HitTestAction) OVERRIDE FINAL; 58 59 virtual void autoscroll(const IntPoint&) OVERRIDE FINAL; 60 61 // Subclassed to forward to our inner div. 62 virtual LayoutUnit scrollLeft() const OVERRIDE FINAL; 63 virtual LayoutUnit scrollTop() const OVERRIDE FINAL; 64 virtual LayoutUnit scrollWidth() const OVERRIDE FINAL; 65 virtual LayoutUnit scrollHeight() const OVERRIDE FINAL; 66 virtual void setScrollLeft(LayoutUnit) OVERRIDE FINAL; 67 virtual void setScrollTop(LayoutUnit) OVERRIDE FINAL; 68 69 int textBlockWidth() const; 70 virtual float getAvgCharWidth(AtomicString family) OVERRIDE FINAL; 71 virtual LayoutUnit preferredContentLogicalWidth(float charWidth) const OVERRIDE FINAL; 72 virtual LayoutUnit computeControlLogicalHeight(LayoutUnit lineHeight, LayoutUnit nonContentHeight) const OVERRIDE; 73 74 virtual void styleDidChange(StyleDifference, const RenderStyle* oldStyle) OVERRIDE FINAL; 75 76 bool textShouldBeTruncated() const; 77 78 HTMLElement* innerSpinButtonElement() const; 79 80 bool m_shouldDrawCapsLockIndicator; 81 LayoutUnit m_desiredInnerEditorLogicalHeight; 82 }; 83 84 DEFINE_RENDER_OBJECT_TYPE_CASTS(RenderTextControlSingleLine, isTextField()); 85 86 // ---------------------------- 87 88 class RenderTextControlInnerBlock : public RenderBlockFlow { 89 public: RenderTextControlInnerBlock(Element * element)90 RenderTextControlInnerBlock(Element* element) : RenderBlockFlow(element) { } inlineBlockBaseline(LineDirectionMode direction)91 virtual int inlineBlockBaseline(LineDirectionMode direction) const OVERRIDE { return lastLineBoxBaseline(direction); } 92 93 private: isIntristicallyScrollable(ScrollbarOrientation orientation)94 virtual bool isIntristicallyScrollable(ScrollbarOrientation orientation) const OVERRIDE 95 { 96 return orientation == HorizontalScrollbar; 97 } scrollsOverflowX()98 virtual bool scrollsOverflowX() const OVERRIDE { return hasOverflowClip(); } scrollsOverflowY()99 virtual bool scrollsOverflowY() const OVERRIDE { return false; } hasLineIfEmpty()100 virtual bool hasLineIfEmpty() const OVERRIDE { return true; } 101 }; 102 103 } 104 105 #endif 106