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 createInnerTextStyle() to TextControlInnerTextElement. 38 virtual PassRefPtr<RenderStyle> createInnerTextStyle(const RenderStyle* startStyle) const; 39 40 void capsLockStateMayHaveChanged(); 41 42 protected: 43 virtual void centerContainerIfNeeded(RenderBox*) const { } 44 virtual LayoutUnit computeLogicalHeightLimit() const; 45 Element* containerElement() const; 46 Element* editingViewPortElement() const; 47 HTMLInputElement* inputElement() const; 48 virtual void updateFromElement() OVERRIDE; 49 50 private: 51 virtual bool hasControlClip() const; 52 virtual LayoutRect controlClipRect(const LayoutPoint&) const; 53 virtual bool isTextField() const { return true; } 54 55 virtual void paint(PaintInfo&, const LayoutPoint&); 56 virtual void layout(); 57 58 virtual bool nodeAtPoint(const HitTestRequest&, HitTestResult&, const HitTestLocation& locationInContainer, const LayoutPoint& accumulatedOffset, HitTestAction) OVERRIDE; 59 60 virtual void autoscroll(const IntPoint&); 61 62 // Subclassed to forward to our inner div. 63 virtual int scrollLeft() const; 64 virtual int scrollTop() const; 65 virtual int scrollWidth() const; 66 virtual int scrollHeight() const; 67 virtual void setScrollLeft(int); 68 virtual void setScrollTop(int); 69 70 int textBlockWidth() const; 71 virtual float getAvgCharWidth(AtomicString family); 72 virtual LayoutUnit preferredContentLogicalWidth(float charWidth) const; 73 virtual LayoutUnit computeControlLogicalHeight(LayoutUnit lineHeight, LayoutUnit nonContentHeight) const OVERRIDE; 74 75 virtual void styleDidChange(StyleDifference, const RenderStyle* oldStyle); 76 77 bool textShouldBeTruncated() const; 78 79 HTMLElement* innerSpinButtonElement() const; 80 81 bool m_shouldDrawCapsLockIndicator; 82 LayoutUnit m_desiredInnerTextLogicalHeight; 83 }; 84 85 DEFINE_RENDER_OBJECT_TYPE_CASTS(RenderTextControlSingleLine, isTextField()); 86 87 // ---------------------------- 88 89 class RenderTextControlInnerBlock : public RenderBlockFlow { 90 public: 91 RenderTextControlInnerBlock(Element* element) : RenderBlockFlow(element) { } 92 virtual int inlineBlockBaseline(LineDirectionMode direction) const OVERRIDE { return lastLineBoxBaseline(direction); } 93 94 private: 95 virtual bool isIntristicallyScrollable(ScrollbarOrientation orientation) const OVERRIDE 96 { 97 return orientation == HorizontalScrollbar; 98 } 99 virtual bool scrollsOverflowX() const OVERRIDE { return hasOverflowClip(); } 100 virtual bool scrollsOverflowY() const OVERRIDE { return false; } 101 virtual bool hasLineIfEmpty() const OVERRIDE { return true; } 102 }; 103 104 } 105 106 #endif 107
