15c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles)/* 25c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) * Copyright (C) 2006, 2007 Apple Inc. All rights reserved. 302772c6a72f1ee0b226341a4f4439970c29fc861Ben Murdoch * (C) 2008 Torch Mobile Inc. All rights reserved. (http://www.torchmobile.com/) 45c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) * 55c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) * This library is free software; you can redistribute it and/or 65c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) * modify it under the terms of the GNU Library General Public 75c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) * License as published by the Free Software Foundation; either 85c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) * version 2 of the License, or (at your option) any later version. 95c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) * 105c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) * This library is distributed in the hope that it will be useful, 115c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) * but WITHOUT ANY WARRANTY; without even the implied warranty of 125c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU 135c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) * Library General Public License for more details. 145c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) * 155c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) * You should have received a copy of the GNU Library General Public License 165c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) * along with this library; see the file COPYING.LIB. If not, write to 175c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) * the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, 185c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) * Boston, MA 02110-1301, USA. 195c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) * 205c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) */ 215c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) 225c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles)#ifndef RenderTextControl_h 235c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles)#define RenderTextControl_h 245c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) 258abfc5808a4e34d6e03867af8bc440dee641886fTorne (Richard Coles)#include "core/rendering/RenderBlockFlow.h" 2653e740f4a82e17f3ae59772501622dc354e42336Torne (Richard Coles)#include "core/rendering/RenderFlexibleBox.h" 275c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) 28c1847b1379d12d0e05df27436bf19a9b1bf12deaTorne (Richard Coles)namespace blink { 295c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) 305c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles)class HTMLTextFormControlElement; 315c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) 328abfc5808a4e34d6e03867af8bc440dee641886fTorne (Richard Coles)class RenderTextControl : public RenderBlockFlow { 335c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles)public: 345c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) virtual ~RenderTextControl(); 355c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) 365c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) HTMLTextFormControlElement* textFormControlElement() const; 3776c265b59aa821ccbf8c75ab2bb0d036e97d2956Torne (Richard Coles) virtual PassRefPtr<RenderStyle> createInnerEditorStyle(const RenderStyle* startStyle) const = 0; 385c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) 395c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles)protected: 40521d96ec04ace82590870fb04353ec4f82bb150fTorne (Richard Coles) RenderTextControl(HTMLTextFormControlElement*); 415c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) 4276c265b59aa821ccbf8c75ab2bb0d036e97d2956Torne (Richard Coles) // This convenience function should not be made public because 4376c265b59aa821ccbf8c75ab2bb0d036e97d2956Torne (Richard Coles) // innerEditorElement may outlive the render tree. 4476c265b59aa821ccbf8c75ab2bb0d036e97d2956Torne (Richard Coles) HTMLElement* innerEditorElement() const; 455c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) 465c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) int scrollbarThickness() const; 4776c265b59aa821ccbf8c75ab2bb0d036e97d2956Torne (Richard Coles) void adjustInnerEditorStyle(RenderStyle* textBlockStyle) const; 485c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) 4909380295ba73501a205346becac22c6978e4671dTorne (Richard Coles) virtual void styleDidChange(StyleDifference, const RenderStyle* oldStyle) OVERRIDE; 505c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) 5176c265b59aa821ccbf8c75ab2bb0d036e97d2956Torne (Richard Coles) void hitInnerEditorElement(HitTestResult&, const LayoutPoint& pointInContainer, const LayoutPoint& accumulatedOffset); 525c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) 53926b001d589ce2f10facb93dd4b87578ea35a855Torne (Richard Coles) int textBlockLogicalWidth() const; 54926b001d589ce2f10facb93dd4b87578ea35a855Torne (Richard Coles) int textBlockLogicalHeight() const; 555c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) 565c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) float scaleEmToUnits(int x) const; 575c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) 585c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) static bool hasValidAvgCharWidth(AtomicString family); 595c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) virtual float getAvgCharWidth(AtomicString family); 60926b001d589ce2f10facb93dd4b87578ea35a855Torne (Richard Coles) virtual LayoutUnit preferredContentLogicalWidth(float charWidth) const = 0; 61926b001d589ce2f10facb93dd4b87578ea35a855Torne (Richard Coles) virtual LayoutUnit computeControlLogicalHeight(LayoutUnit lineHeight, LayoutUnit nonContentHeight) const = 0; 625c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) 6309380295ba73501a205346becac22c6978e4671dTorne (Richard Coles) virtual void updateFromElement() OVERRIDE; 645c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) virtual void computeLogicalHeight(LayoutUnit logicalHeight, LayoutUnit logicalTop, LogicalExtentComputedValues&) const OVERRIDE; 6509380295ba73501a205346becac22c6978e4671dTorne (Richard Coles) virtual RenderObject* layoutSpecialExcludedChild(bool relayoutChildren, SubtreeLayoutScope&) OVERRIDE; 665c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) 671e202183a5dc46166763171984b285173f8585e5Torne (Richard Coles) // We need to override this function because we don't want overflow:hidden on an <input> 681e202183a5dc46166763171984b285173f8585e5Torne (Richard Coles) // to affect the baseline calculation. This is necessary because we are an inline-block 691e202183a5dc46166763171984b285173f8585e5Torne (Richard Coles) // element as an implementation detail which would normally be affected by this. 701e202183a5dc46166763171984b285173f8585e5Torne (Richard Coles) virtual int inlineBlockBaseline(LineDirectionMode direction) const OVERRIDE { return lastLineBoxBaseline(direction); } 711e202183a5dc46166763171984b285173f8585e5Torne (Richard Coles) 725c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles)private: 7309380295ba73501a205346becac22c6978e4671dTorne (Richard Coles) virtual const char* renderName() const OVERRIDE { return "RenderTextControl"; } 7409380295ba73501a205346becac22c6978e4671dTorne (Richard Coles) virtual bool isTextControl() const OVERRIDE FINAL { return true; } 7509380295ba73501a205346becac22c6978e4671dTorne (Richard Coles) virtual void computeIntrinsicLogicalWidths(LayoutUnit& minLogicalWidth, LayoutUnit& maxLogicalWidth) const OVERRIDE FINAL; 7609380295ba73501a205346becac22c6978e4671dTorne (Richard Coles) virtual void computePreferredLogicalWidths() OVERRIDE FINAL; 7709380295ba73501a205346becac22c6978e4671dTorne (Richard Coles) virtual void removeLeftoverAnonymousBlock(RenderBlock*) OVERRIDE FINAL { } 7809380295ba73501a205346becac22c6978e4671dTorne (Richard Coles) virtual bool avoidsFloats() const OVERRIDE FINAL { return true; } 7909380295ba73501a205346becac22c6978e4671dTorne (Richard Coles) virtual bool canHaveGeneratedChildren() const OVERRIDE FINAL { return false; } 8002772c6a72f1ee0b226341a4f4439970c29fc861Ben Murdoch 81c0e19a689c8ac22cdc96b291a8d33a5d3b0b34a4Torne (Richard Coles) virtual void addChild(RenderObject* newChild, RenderObject* beforeChild = 0) OVERRIDE FINAL; 82c0e19a689c8ac22cdc96b291a8d33a5d3b0b34a4Torne (Richard Coles) 837242dc3dbeb210b5e876a3c42d1ec1a667fc621aPrimiano Tucci virtual void addFocusRingRects(Vector<LayoutRect>&, const LayoutPoint& additionalOffset, const RenderLayerModelObject* paintContainer) const OVERRIDE FINAL; 845c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) 8509380295ba73501a205346becac22c6978e4671dTorne (Richard Coles) virtual bool canBeProgramaticallyScrolled() const OVERRIDE FINAL { return true; } 865c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles)}; 875c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) 88bfe3590b1806e3ff18f46ee3af5d4b83078f305aTorne (Richard Coles)DEFINE_RENDER_OBJECT_TYPE_CASTS(RenderTextControl, isTextControl()); 895c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) 90926b001d589ce2f10facb93dd4b87578ea35a855Torne (Richard Coles)// Renderer for our inner container, for <search> and others. 91926b001d589ce2f10facb93dd4b87578ea35a855Torne (Richard Coles)// We can't use RenderFlexibleBox directly, because flexboxes have a different 92926b001d589ce2f10facb93dd4b87578ea35a855Torne (Richard Coles)// baseline definition, and then inputs of different types wouldn't line up 93926b001d589ce2f10facb93dd4b87578ea35a855Torne (Richard Coles)// anymore. 9453e740f4a82e17f3ae59772501622dc354e42336Torne (Richard Coles)class RenderTextControlInnerContainer FINAL : public RenderFlexibleBox { 95926b001d589ce2f10facb93dd4b87578ea35a855Torne (Richard Coles)public: 96926b001d589ce2f10facb93dd4b87578ea35a855Torne (Richard Coles) explicit RenderTextControlInnerContainer(Element* element) 97926b001d589ce2f10facb93dd4b87578ea35a855Torne (Richard Coles) : RenderFlexibleBox(element) 98926b001d589ce2f10facb93dd4b87578ea35a855Torne (Richard Coles) { } 99926b001d589ce2f10facb93dd4b87578ea35a855Torne (Richard Coles) virtual ~RenderTextControlInnerContainer() { } 100926b001d589ce2f10facb93dd4b87578ea35a855Torne (Richard Coles) 101926b001d589ce2f10facb93dd4b87578ea35a855Torne (Richard Coles) virtual int baselinePosition(FontBaseline baseline, bool firstLine, LineDirectionMode direction, LinePositionMode position) const OVERRIDE 102926b001d589ce2f10facb93dd4b87578ea35a855Torne (Richard Coles) { 103926b001d589ce2f10facb93dd4b87578ea35a855Torne (Richard Coles) return RenderBlock::baselinePosition(baseline, firstLine, direction, position); 104926b001d589ce2f10facb93dd4b87578ea35a855Torne (Richard Coles) } 105926b001d589ce2f10facb93dd4b87578ea35a855Torne (Richard Coles) virtual int firstLineBoxBaseline() const OVERRIDE { return RenderBlock::firstLineBoxBaseline(); } 106e1f1df5f01594c0e62e751e4b46e779b85c2faa5Torne (Richard Coles) virtual int inlineBlockBaseline(LineDirectionMode direction) const OVERRIDE { return lastLineBoxBaseline(direction); } 107926b001d589ce2f10facb93dd4b87578ea35a855Torne (Richard Coles)}; 108926b001d589ce2f10facb93dd4b87578ea35a855Torne (Richard Coles) 109926b001d589ce2f10facb93dd4b87578ea35a855Torne (Richard Coles) 110c1847b1379d12d0e05df27436bf19a9b1bf12deaTorne (Richard Coles)} // namespace blink 1115c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) 1125c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles)#endif // RenderTextControl_h 113