Move rendering/RenderTextControl* to layout/LayoutTextControl*

Source/core/rendering/RenderTextControl.cpp

Index: Source/core/rendering/RenderTextControl.cpp
diff --git a/Source/core/rendering/RenderTextControl.cpp b/Source/core/rendering/RenderTextControl.cpp
deleted file mode 100644
index e73dc9dc78ed14481df3af3eaed7853e470e0c83..0000000000000000000000000000000000000000
--- a/Source/core/rendering/RenderTextControl.cpp
+++ /dev/null
@@ -1,303 +0,0 @@
-/**
- * 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.
- *
- */
-
-#include "config.h"
-#include "core/rendering/RenderTextControl.h"
-
-#include "core/html/HTMLTextFormControlElement.h"
-#include "core/layout/HitTestResult.h"
-#include "core/layout/LayoutTheme.h"
-#include "core/layout/TextRunConstructor.h"
-#include "platform/scroll/ScrollbarTheme.h"
-#include "wtf/unicode/CharacterNames.h"
-
-namespace blink {
-
-RenderTextControl::RenderTextControl(HTMLTextFormControlElement* element)
-    : RenderBlockFlow(element)
-{
-    ASSERT(element);
-}
-
-RenderTextControl::~RenderTextControl()
-{
-}
-
-HTMLTextFormControlElement* RenderTextControl::textFormControlElement() const
-{
-    return toHTMLTextFormControlElement(node());
-}
-
-HTMLElement* RenderTextControl::innerEditorElement() const
-{
-    return textFormControlElement()->innerEditorElement();
-}
-
-void RenderTextControl::addChild(LayoutObject* newChild, LayoutObject* beforeChild)
-{
-    // FIXME: This is a terrible hack to get the caret over the placeholder text since it'll
-    // make us paint the placeholder first. (See https://trac.webkit.org/changeset/118733)
-    Node* node = newChild->node();
-    if (node && node->isElementNode() && toElement(node)->shadowPseudoId() == "-webkit-input-placeholder")
-        RenderBlockFlow::addChild(newChild, firstChild());
-    else
-        RenderBlockFlow::addChild(newChild, beforeChild);
-}
-
-void RenderTextControl::styleDidChange(StyleDifference diff, const LayoutStyle* oldStyle)
-{
-    RenderBlockFlow::styleDidChange(diff, oldStyle);
-    Element* innerEditor = innerEditorElement();
-    if (!innerEditor)
-        return;
-    RenderBlock* innerEditorRenderer = toRenderBlock(innerEditor->renderer());
-    if (innerEditorRenderer) {
-        // We may have set the width and the height in the old style in layout().
-        // Reset them now to avoid getting a spurious layout hint.
-        innerEditorRenderer->style()->setHeight(Length());
-        innerEditorRenderer->style()->setWidth(Length());
-        innerEditorRenderer->setStyle(createInnerEditorStyle(styleRef()));
-        innerEditor->setNeedsStyleRecalc(SubtreeStyleChange, StyleChangeReasonForTracing::create(StyleChangeReason::Control));
-    }
-    textFormControlElement()->updatePlaceholderVisibility(false);
-}
-
-static inline void updateUserModifyProperty(HTMLTextFormControlElement& node, LayoutStyle& style)
-{
-    style.setUserModify(node.isDisabledOrReadOnly() ? READ_ONLY : READ_WRITE_PLAINTEXT_ONLY);
-}
-
-void RenderTextControl::adjustInnerEditorStyle(LayoutStyle& textBlockStyle) const
-{
-    // The inner block, if present, always has its direction set to LTR,
-    // so we need to inherit the direction and unicode-bidi style from the element.
-    textBlockStyle.setDirection(style()->direction());
-    textBlockStyle.setUnicodeBidi(style()->unicodeBidi());
-
-    updateUserModifyProperty(*textFormControlElement(), textBlockStyle);
-}
-
-int RenderTextControl::textBlockLogicalHeight() const
-{
-    return logicalHeight() - borderAndPaddingLogicalHeight();
-}
-
-int RenderTextControl::textBlockLogicalWidth() const
-{
-    Element* innerEditor = innerEditorElement();
-    ASSERT(innerEditor);
-
-    LayoutUnit unitWidth = logicalWidth() - borderAndPaddingLogicalWidth();
-    if (innerEditor->renderer())
-        unitWidth -= innerEditor->renderBox()->paddingStart() + innerEditor->renderBox()->paddingEnd();
-
-    return unitWidth;
-}
-
-void RenderTextControl::updateFromElement()
-{
-    Element* innerEditor = innerEditorElement();
-    if (innerEditor && innerEditor->renderer())
-        updateUserModifyProperty(*textFormControlElement(), innerEditor->renderer()->mutableStyleRef());
-}
-
-int RenderTextControl::scrollbarThickness() const
-{
-    // FIXME: We should get the size of the scrollbar from the LayoutTheme instead.
-    return ScrollbarTheme::theme()->scrollbarThickness();
-}
-
-void RenderTextControl::computeLogicalHeight(LayoutUnit logicalHeight, LayoutUnit logicalTop, LogicalExtentComputedValues& computedValues) const
-{
-    HTMLElement* innerEditor = innerEditorElement();
-    ASSERT(innerEditor);
-    if (RenderBox* innerEditorBox = innerEditor->renderBox()) {
-        LayoutUnit nonContentHeight = innerEditorBox->borderAndPaddingHeight() + innerEditorBox->marginHeight();
-        logicalHeight = computeControlLogicalHeight(innerEditorBox->lineHeight(true, HorizontalLine, PositionOfInteriorLineBoxes), nonContentHeight);
-
-        // We are able to have a horizontal scrollbar if the overflow style is scroll, or if its auto and there's no word wrap.
-        if ((isHorizontalWritingMode() && (style()->overflowX() == OSCROLL ||  (style()->overflowX() == OAUTO && innerEditor->renderer()->style()->overflowWrap() == NormalOverflowWrap)))
-            || (!isHorizontalWritingMode() && (style()->overflowY() == OSCROLL ||  (style()->overflowY() == OAUTO && innerEditor->renderer()->style()->overflowWrap() == NormalOverflowWrap))))
-            logicalHeight += scrollbarThickness();
-
-        // FIXME: The logical height of the inner text box should have been added before calling computeLogicalHeight to
-        // avoid this hack.
-        setIntrinsicContentLogicalHeight(logicalHeight);
-
-        logicalHeight += borderAndPaddingHeight();
-    }
-
-    RenderBox::computeLogicalHeight(logicalHeight, logicalTop, computedValues);
-}
-
-void RenderTextControl::hitInnerEditorElement(HitTestResult& result, const LayoutPoint& pointInContainer, const LayoutPoint& accumulatedOffset)
-{
-    HTMLElement* innerEditor = innerEditorElement();
-    if (!innerEditor->renderer())
-        return;
-
-    LayoutPoint adjustedLocation = accumulatedOffset + location();
-    LayoutPoint localPoint = pointInContainer - toLayoutSize(adjustedLocation + innerEditor->renderBox()->location());
-    if (hasOverflowClip())
-        localPoint += scrolledContentOffset();
-    result.setInnerNode(innerEditor);
-    result.setInnerNonSharedNode(innerEditor);
-    result.setLocalPoint(localPoint);
-}
-
-static const char* const fontFamiliesWithInvalidCharWidth[] = {
-    "American Typewriter",
-    "Arial Hebrew",
-    "Chalkboard",
-    "Cochin",
-    "Corsiva Hebrew",
-    "Courier",
-    "Euphemia UCAS",
-    "Geneva",
-    "Gill Sans",
-    "Hei",
-    "Helvetica",
-    "Hoefler Text",
-    "InaiMathi",
-    "Kai",
-    "Lucida Grande",
-    "Marker Felt",
-    "Monaco",
-    "Mshtakan",
-    "New Peninim MT",
-    "Osaka",
-    "Raanana",
-    "STHeiti",
-    "Symbol",
-    "Times",
-    "Apple Braille",
-    "Apple LiGothic",
-    "Apple LiSung",
-    "Apple Symbols",
-    "AppleGothic",
-    "AppleMyungjo",
-    "#GungSeo",
-    "#HeadLineA",
-    "#PCMyungjo",
-    "#PilGi",
-};
-
-// For font families where any of the fonts don't have a valid entry in the OS/2 table
-// for avgCharWidth, fallback to the legacy webkit behavior of getting the avgCharWidth
-// from the width of a '0'. This only seems to apply to a fixed number of Mac fonts,
-// but, in order to get similar rendering across platforms, we do this check for
-// all platforms.
-bool RenderTextControl::hasValidAvgCharWidth(AtomicString family)
-{
-    static HashSet<AtomicString>* fontFamiliesWithInvalidCharWidthMap = 0;
-
-    if (family.isEmpty())
-        return false;
-
-    if (!fontFamiliesWithInvalidCharWidthMap) {
-        fontFamiliesWithInvalidCharWidthMap = new HashSet<AtomicString>;
-
-        for (size_t i = 0; i < WTF_ARRAY_LENGTH(fontFamiliesWithInvalidCharWidth); ++i)
-            fontFamiliesWithInvalidCharWidthMap->add(AtomicString(fontFamiliesWithInvalidCharWidth[i]));
-    }
-
-    return !fontFamiliesWithInvalidCharWidthMap->contains(family);
-}
-
-float RenderTextControl::getAvgCharWidth(AtomicString family)
-{
-    if (hasValidAvgCharWidth(family))
-        return roundf(style()->font().primaryFont()->avgCharWidth());
-
-    const UChar ch = '0';
-    const String str = String(&ch, 1);
-    const Font& font = style()->font();
-    TextRun textRun = constructTextRun(this, font, str, styleRef(), TextRun::AllowTrailingExpansion);
-    return font.width(textRun);
-}
-
-float RenderTextControl::scaleEmToUnits(int x) const
-{
-    // This matches the unitsPerEm value for MS Shell Dlg and Courier New from the "head" font table.
-    float unitsPerEm = 2048.0f;
-    return roundf(style()->font().fontDescription().computedSize() * x / unitsPerEm);
-}
-
-void RenderTextControl::computeIntrinsicLogicalWidths(LayoutUnit& minLogicalWidth, LayoutUnit& maxLogicalWidth) const
-{
-    // Use average character width. Matches IE.
-    AtomicString family = style()->font().fontDescription().family().family();
-    maxLogicalWidth = preferredContentLogicalWidth(const_cast<RenderTextControl*>(this)->getAvgCharWidth(family));
-    if (RenderBox* innerEditorRenderBox = innerEditorElement()->renderBox())
-        maxLogicalWidth += innerEditorRenderBox->paddingStart() + innerEditorRenderBox->paddingEnd();
-    if (!style()->logicalWidth().isPercent())
-        minLogicalWidth = maxLogicalWidth;
-}
-
-void RenderTextControl::computePreferredLogicalWidths()
-{
-    ASSERT(preferredLogicalWidthsDirty());
-
-    m_minPreferredLogicalWidth = 0;
-    m_maxPreferredLogicalWidth = 0;
-    const LayoutStyle& styleToUse = styleRef();
-
-    if (styleToUse.logicalWidth().isFixed() && styleToUse.logicalWidth().value() >= 0)
-        m_minPreferredLogicalWidth = m_maxPreferredLogicalWidth = adjustContentBoxLogicalWidthForBoxSizing(styleToUse.logicalWidth().value());
-    else
-        computeIntrinsicLogicalWidths(m_minPreferredLogicalWidth, m_maxPreferredLogicalWidth);
-
-    if (styleToUse.logicalMinWidth().isFixed() && styleToUse.logicalMinWidth().value() > 0) {
-        m_maxPreferredLogicalWidth = std::max(m_maxPreferredLogicalWidth, adjustContentBoxLogicalWidthForBoxSizing(styleToUse.logicalMinWidth().value()));
-        m_minPreferredLogicalWidth = std::max(m_minPreferredLogicalWidth, adjustContentBoxLogicalWidthForBoxSizing(styleToUse.logicalMinWidth().value()));
-    }
-
-    if (styleToUse.logicalMaxWidth().isFixed()) {
-        m_maxPreferredLogicalWidth = std::min(m_maxPreferredLogicalWidth, adjustContentBoxLogicalWidthForBoxSizing(styleToUse.logicalMaxWidth().value()));
-        m_minPreferredLogicalWidth = std::min(m_minPreferredLogicalWidth, adjustContentBoxLogicalWidthForBoxSizing(styleToUse.logicalMaxWidth().value()));
-    }
-
-    LayoutUnit toAdd = borderAndPaddingLogicalWidth();
-
-    m_minPreferredLogicalWidth += toAdd;
-    m_maxPreferredLogicalWidth += toAdd;
-
-    clearPreferredLogicalWidthsDirty();
-}
-
-void RenderTextControl::addFocusRingRects(Vector<LayoutRect>& rects, const LayoutPoint& additionalOffset) const
-{
-    if (!size().isEmpty())
-        rects.append(LayoutRect(additionalOffset, size()));
-}
-
-LayoutObject* RenderTextControl::layoutSpecialExcludedChild(bool relayoutChildren, SubtreeLayoutScope& layoutScope)
-{
-    HTMLElement* placeholder = toHTMLTextFormControlElement(node())->placeholderElement();
-    LayoutObject* placeholderRenderer = placeholder ? placeholder->renderer() : 0;
-    if (!placeholderRenderer)
-        return 0;
-    if (relayoutChildren)
-        layoutScope.setChildNeedsLayout(placeholderRenderer);
-    return placeholderRenderer;
-}
-
-} // namespace blink