Move rendering/RenderTextControl* to layout/LayoutTextControl*

Source/core/rendering/RenderTextControlSingleLine.cpp

Index: Source/core/rendering/RenderTextControlSingleLine.cpp
diff --git a/Source/core/rendering/RenderTextControlSingleLine.cpp b/Source/core/rendering/RenderTextControlSingleLine.cpp
deleted file mode 100644
index 130f24bb49404496653a0901e1ad166025a5475b..0000000000000000000000000000000000000000
--- a/Source/core/rendering/RenderTextControlSingleLine.cpp
+++ /dev/null
@@ -1,429 +0,0 @@
-/**
- * Copyright (C) 2006, 2007, 2010 Apple Inc. All rights reserved.
- *           (C) 2008 Torch Mobile Inc. All rights reserved. (http://www.torchmobile.com/)
- * Copyright (C) 2010 Google Inc. All rights reserved.
- * Copyright (C) 2010 Nokia Corporation and/or its subsidiary(-ies).
- *
- * 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/RenderTextControlSingleLine.h"
-
-#include "core/CSSValueKeywords.h"
-#include "core/InputTypeNames.h"
-#include "core/dom/shadow/ShadowRoot.h"
-#include "core/editing/FrameSelection.h"
-#include "core/frame/LocalFrame.h"
-#include "core/html/shadow/ShadowElementNames.h"
-#include "core/layout/HitTestResult.h"
-#include "core/layout/Layer.h"
-#include "core/layout/LayoutTheme.h"
-#include "platform/PlatformKeyboardEvent.h"
-#include "platform/fonts/SimpleFontData.h"
-
-namespace blink {
-
-using namespace HTMLNames;
-
-RenderTextControlSingleLine::RenderTextControlSingleLine(HTMLInputElement* element)
-    : RenderTextControl(element)
-    , m_shouldDrawCapsLockIndicator(false)
-    , m_desiredInnerEditorLogicalHeight(-1)
-{
-}
-
-RenderTextControlSingleLine::~RenderTextControlSingleLine()
-{
-}
-
-inline Element* RenderTextControlSingleLine::containerElement() const
-{
-    return inputElement()->userAgentShadowRoot()->getElementById(ShadowElementNames::textFieldContainer());
-}
-
-inline Element* RenderTextControlSingleLine::editingViewPortElement() const
-{
-    return inputElement()->userAgentShadowRoot()->getElementById(ShadowElementNames::editingViewPort());
-}
-
-inline HTMLElement* RenderTextControlSingleLine::innerSpinButtonElement() const
-{
-    return toHTMLElement(inputElement()->userAgentShadowRoot()->getElementById(ShadowElementNames::spinButton()));
-}
-
-void RenderTextControlSingleLine::paint(const PaintInfo& paintInfo, const LayoutPoint& paintOffset)
-{
-    RenderTextControl::paint(paintInfo, paintOffset);
-
-    if (paintInfo.phase == PaintPhaseBlockBackground && m_shouldDrawCapsLockIndicator) {
-        LayoutRect contentsRect = contentBoxRect();
-
-        // Center in the block progression direction.
-        if (isHorizontalWritingMode())
-            contentsRect.setY((size().height() - contentsRect.height()) / 2);
-        else
-            contentsRect.setX((size().width() - contentsRect.width()) / 2);
-
-        // Convert the rect into the coords used for painting the content
-        contentsRect.moveBy(paintOffset + location());
-        LayoutTheme::theme().paintCapsLockIndicator(this, paintInfo, pixelSnappedIntRect(contentsRect));
-    }
-}
-
-LayoutUnit RenderTextControlSingleLine::computeLogicalHeightLimit() const
-{
-    return containerElement() ? contentLogicalHeight() : logicalHeight();
-}
-
-void RenderTextControlSingleLine::layout()
-{
-    SubtreeLayoutScope layoutScope(*this);
-
-    // FIXME: We should remove the height-related hacks in layout() and
-    // styleDidChange(). We need them because
-    // - Center the inner elements vertically if the input height is taller than
-    //   the intrinsic height of the inner elements.
-    // - Shrink the inner elment heights if the input height is samller than the
-    //   intrinsic heights of the inner elements.
-
-    // We don't honor paddings and borders for textfields without decorations
-    // and type=search if the text height is taller than the contentHeight()
-    // because of compability.
-
-    RenderBox* innerEditorRenderer = innerEditorElement()->renderBox();
-    RenderBox* viewPortRenderer = editingViewPortElement() ? editingViewPortElement()->renderBox() : 0;
-
-    // To ensure consistency between layouts, we need to reset any conditionally overriden height.
-    if (innerEditorRenderer && !innerEditorRenderer->style()->logicalHeight().isAuto()) {
-        innerEditorRenderer->style()->setLogicalHeight(Length(Auto));
-        layoutScope.setNeedsLayout(innerEditorRenderer);
-        HTMLElement* placeholderElement = inputElement()->placeholderElement();
-        if (RenderBox* placeholderBox = placeholderElement ? placeholderElement->renderBox() : 0)
-            layoutScope.setNeedsLayout(placeholderBox);
-    }
-    if (viewPortRenderer && !viewPortRenderer->style()->logicalHeight().isAuto()) {
-        viewPortRenderer->style()->setLogicalHeight(Length(Auto));
-        layoutScope.setNeedsLayout(viewPortRenderer);
-    }
-
-    RenderBlockFlow::layoutBlock(false);
-
-    Element* container = containerElement();
-    RenderBox* containerRenderer = container ? container->renderBox() : 0;
-
-    // Set the text block height
-    LayoutUnit desiredLogicalHeight = textBlockLogicalHeight();
-    LayoutUnit logicalHeightLimit = computeLogicalHeightLimit();
-    if (innerEditorRenderer && innerEditorRenderer->logicalHeight() > logicalHeightLimit) {
-        if (desiredLogicalHeight != innerEditorRenderer->logicalHeight())
-            layoutScope.setNeedsLayout(this);
-
-        m_desiredInnerEditorLogicalHeight = desiredLogicalHeight;
-
-        innerEditorRenderer->style()->setLogicalHeight(Length(desiredLogicalHeight, Fixed));
-        layoutScope.setNeedsLayout(innerEditorRenderer);
-        if (viewPortRenderer) {
-            viewPortRenderer->style()->setLogicalHeight(Length(desiredLogicalHeight, Fixed));
-            layoutScope.setNeedsLayout(viewPortRenderer);
-        }
-    }
-    // The container might be taller because of decoration elements.
-    if (containerRenderer) {
-        containerRenderer->layoutIfNeeded();
-        LayoutUnit containerLogicalHeight = containerRenderer->logicalHeight();
-        if (containerLogicalHeight > logicalHeightLimit) {
-            containerRenderer->style()->setLogicalHeight(Length(logicalHeightLimit, Fixed));
-            layoutScope.setNeedsLayout(this);
-        } else if (containerRenderer->logicalHeight() < contentLogicalHeight()) {
-            containerRenderer->style()->setLogicalHeight(Length(contentLogicalHeight(), Fixed));
-            layoutScope.setNeedsLayout(this);
-        } else
-            containerRenderer->style()->setLogicalHeight(Length(containerLogicalHeight, Fixed));
-    }
-
-    // If we need another layout pass, we have changed one of children's height so we need to relayout them.
-    if (needsLayout())
-        RenderBlockFlow::layoutBlock(true);
-
-    // Center the child block in the block progression direction (vertical centering for horizontal text fields).
-    if (!container && innerEditorRenderer && innerEditorRenderer->size().height() != contentLogicalHeight()) {
-        LayoutUnit logicalHeightDiff = innerEditorRenderer->logicalHeight() - contentLogicalHeight();
-        innerEditorRenderer->setLogicalTop(innerEditorRenderer->logicalTop() - (logicalHeightDiff / 2 + layoutMod(logicalHeightDiff, 2)));
-    } else
-        centerContainerIfNeeded(containerRenderer);
-
-    HTMLElement* placeholderElement = inputElement()->placeholderElement();
-    if (RenderBox* placeholderBox = placeholderElement ? placeholderElement->renderBox() : 0) {
-        LayoutSize innerEditorSize;
-
-        if (innerEditorRenderer)
-            innerEditorSize = innerEditorRenderer->size();
-        placeholderBox->style()->setWidth(Length(innerEditorSize.width() - placeholderBox->borderAndPaddingWidth(), Fixed));
-        placeholderBox->style()->setHeight(Length(innerEditorSize.height() - placeholderBox->borderAndPaddingHeight(), Fixed));
-        bool neededLayout = placeholderBox->needsLayout();
-        placeholderBox->layoutIfNeeded();
-        LayoutPoint textOffset;
-        if (innerEditorRenderer)
-            textOffset = innerEditorRenderer->location();
-        if (editingViewPortElement() && editingViewPortElement()->renderBox())
-            textOffset += toLayoutSize(editingViewPortElement()->renderBox()->location());
-        if (containerRenderer)
-            textOffset += toLayoutSize(containerRenderer->location());
-        placeholderBox->setLocation(textOffset);
-
-        // The placeholder gets layout last, after the parent text control and its other children,
-        // so in order to get the correct overflow from the placeholder we need to recompute it now.
-        if (neededLayout)
-            computeOverflow(clientLogicalBottom());
-    }
-}
-
-bool RenderTextControlSingleLine::nodeAtPoint(const HitTestRequest& request, HitTestResult& result, const HitTestLocation& locationInContainer, const LayoutPoint& accumulatedOffset, HitTestAction hitTestAction)
-{
-    if (!RenderTextControl::nodeAtPoint(request, result, locationInContainer, accumulatedOffset, hitTestAction))
-        return false;
-
-    // Say that we hit the inner text element if
-    //  - we hit a node inside the inner text element,
-    //  - we hit the <input> element (e.g. we're over the border or padding), or
-    //  - we hit regions not in any decoration buttons.
-    Element* container = containerElement();
-    if (result.innerNode()->isDescendantOf(innerEditorElement()) || result.innerNode() == node() || (container && container == result.innerNode())) {
-        LayoutPoint pointInParent = locationInContainer.point();
-        if (container && editingViewPortElement()) {
-            if (editingViewPortElement()->renderBox())
-                pointInParent -= toLayoutSize(editingViewPortElement()->renderBox()->location());
-            if (container->renderBox())
-                pointInParent -= toLayoutSize(container->renderBox()->location());
-        }
-        hitInnerEditorElement(result, pointInParent, accumulatedOffset);
-    }
-    return true;
-}
-
-void RenderTextControlSingleLine::styleDidChange(StyleDifference diff, const LayoutStyle* oldStyle)
-{
-    m_desiredInnerEditorLogicalHeight = -1;
-    RenderTextControl::styleDidChange(diff, oldStyle);
-
-    // 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.
-    Element* viewPort = editingViewPortElement();
-    if (LayoutObject* viewPortRenderer = viewPort ? viewPort->renderer() : 0) {
-        viewPortRenderer->style()->setHeight(Length());
-        viewPortRenderer->style()->setWidth(Length());
-    }
-    Element* container = containerElement();
-    if (LayoutObject* containerRenderer = container ? container->renderer() : 0) {
-        containerRenderer->style()->setHeight(Length());
-        containerRenderer->style()->setWidth(Length());
-    }
-    LayoutObject* innerEditorRenderer = innerEditorElement()->renderer();
-    if (innerEditorRenderer && diff.needsFullLayout())
-        innerEditorRenderer->setNeedsLayoutAndFullPaintInvalidation();
-    if (HTMLElement* placeholder = inputElement()->placeholderElement())
-        placeholder->setInlineStyleProperty(CSSPropertyTextOverflow, textShouldBeTruncated() ? CSSValueEllipsis : CSSValueClip);
-    setHasOverflowClip(false);
-}
-
-void RenderTextControlSingleLine::capsLockStateMayHaveChanged()
-{
-    if (!node())
-        return;
-
-    // Only draw the caps lock indicator if these things are true:
-    // 1) The field is a password field
-    // 2) The frame is active
-    // 3) The element is focused
-    // 4) The caps lock is on
-    bool shouldDrawCapsLockIndicator = false;
-
-    if (LocalFrame* frame = document().frame())
-        shouldDrawCapsLockIndicator = inputElement()->type() == InputTypeNames::password && frame->selection().isFocusedAndActive() && document().focusedElement() == node() && PlatformKeyboardEvent::currentCapsLockState();
-
-    if (shouldDrawCapsLockIndicator != m_shouldDrawCapsLockIndicator) {
-        m_shouldDrawCapsLockIndicator = shouldDrawCapsLockIndicator;
-        setShouldDoFullPaintInvalidation();
-    }
-}
-
-bool RenderTextControlSingleLine::hasControlClip() const
-{
-    // Apply control clip for text fields with decorations.
-    return !!containerElement();
-}
-
-LayoutRect RenderTextControlSingleLine::controlClipRect(const LayoutPoint& additionalOffset) const
-{
-    ASSERT(hasControlClip());
-    LayoutRect clipRect = contentBoxRect();
-    if (containerElement()->renderBox())
-        clipRect = unionRect(clipRect, containerElement()->renderBox()->frameRect());
-    clipRect.moveBy(additionalOffset);
-    return clipRect;
-}
-
-float RenderTextControlSingleLine::getAvgCharWidth(AtomicString family)
-{
-    // Since Lucida Grande is the default font, we want this to match the width
-    // of MS Shell Dlg, the default font for textareas in Firefox, Safari Win and
-    // IE for some encodings (in IE, the default font is encoding specific).
-    // 901 is the avgCharWidth value in the OS/2 table for MS Shell Dlg.
-    if (family == "Lucida Grande")
-        return scaleEmToUnits(901);
-
-    return RenderTextControl::getAvgCharWidth(family);
-}
-
-LayoutUnit RenderTextControlSingleLine::preferredContentLogicalWidth(float charWidth) const
-{
-    int factor;
-    bool includesDecoration = inputElement()->sizeShouldIncludeDecoration(factor);
-    if (factor <= 0)
-        factor = 20;
-
-    LayoutUnit result = LayoutUnit::fromFloatCeil(charWidth * factor);
-
-    float maxCharWidth = 0.f;
-    AtomicString family = style()->font().fontDescription().family().family();
-    // Since Lucida Grande is the default font, we want this to match the width
-    // of MS Shell Dlg, the default font for textareas in Firefox, Safari Win and
-    // IE for some encodings (in IE, the default font is encoding specific).
-    // 4027 is the (xMax - xMin) value in the "head" font table for MS Shell Dlg.
-    if (family == "Lucida Grande")
-        maxCharWidth = scaleEmToUnits(4027);
-    else if (hasValidAvgCharWidth(family))
-        maxCharWidth = roundf(style()->font().primaryFont()->maxCharWidth());
-
-    // For text inputs, IE adds some extra width.
-    if (maxCharWidth > 0.f)
-        result += maxCharWidth - charWidth;
-
-    if (includesDecoration) {
-        HTMLElement* spinButton = innerSpinButtonElement();
-        if (RenderBox* spinRenderer = spinButton ? spinButton->renderBox() : 0) {
-            result += spinRenderer->borderAndPaddingLogicalWidth();
-            // Since the width of spinRenderer is not calculated yet, spinRenderer->logicalWidth() returns 0.
-            // So computedStyle()->logicalWidth() is used instead.
-            result += spinButton->computedStyle()->logicalWidth().value();
-        }
-    }
-
-    return result;
-}
-
-LayoutUnit RenderTextControlSingleLine::computeControlLogicalHeight(LayoutUnit lineHeight, LayoutUnit nonContentHeight) const
-{
-    return lineHeight + nonContentHeight;
-}
-
-PassRefPtr<LayoutStyle> RenderTextControlSingleLine::createInnerEditorStyle(const LayoutStyle& startStyle) const
-{
-    RefPtr<LayoutStyle> textBlockStyle = LayoutStyle::create();
-    textBlockStyle->inheritFrom(startStyle);
-    adjustInnerEditorStyle(*textBlockStyle);
-
-    textBlockStyle->setWhiteSpace(PRE);
-    textBlockStyle->setOverflowWrap(NormalOverflowWrap);
-    textBlockStyle->setOverflowX(OHIDDEN);
-    textBlockStyle->setOverflowY(OHIDDEN);
-    textBlockStyle->setTextOverflow(textShouldBeTruncated() ? TextOverflowEllipsis : TextOverflowClip);
-
-    if (m_desiredInnerEditorLogicalHeight >= 0)
-        textBlockStyle->setLogicalHeight(Length(m_desiredInnerEditorLogicalHeight, Fixed));
-    // Do not allow line-height to be smaller than our default.
-    if (textBlockStyle->fontMetrics().lineSpacing() > lineHeight(true, HorizontalLine, PositionOfInteriorLineBoxes))
-        textBlockStyle->setLineHeight(LayoutStyle::initialLineHeight());
-
-    textBlockStyle->setDisplay(BLOCK);
-    textBlockStyle->setUnique();
-
-    if (inputElement()->shouldRevealPassword())
-        textBlockStyle->setTextSecurity(TSNONE);
-
-    return textBlockStyle.release();
-}
-
-bool RenderTextControlSingleLine::textShouldBeTruncated() const
-{
-    return document().focusedElement() != node() && style()->textOverflow() == TextOverflowEllipsis;
-}
-
-void RenderTextControlSingleLine::autoscroll(const IntPoint& position)
-{
-    RenderBox* renderer = innerEditorElement()->renderBox();
-    if (!renderer)
-        return;
-
-    renderer->autoscroll(position);
-}
-
-LayoutUnit RenderTextControlSingleLine::scrollWidth() const
-{
-    if (RenderBox* inner = innerEditorElement() ? innerEditorElement()->renderBox() : 0) {
-        // Adjust scrollWidth to inculde input element horizontal paddings and
-        // decoration width
-        LayoutUnit adjustment = clientWidth() - inner->clientWidth();
-        return innerEditorElement()->scrollWidth() + adjustment;
-    }
-    return RenderBlockFlow::scrollWidth();
-}
-
-LayoutUnit RenderTextControlSingleLine::scrollHeight() const
-{
-    if (RenderBox* inner = innerEditorElement() ? innerEditorElement()->renderBox() : 0) {
-        // Adjust scrollHeight to include input element vertical paddings and
-        // decoration height
-        LayoutUnit adjustment = clientHeight() - inner->clientHeight();
-        return innerEditorElement()->scrollHeight() + adjustment;
-    }
-    return RenderBlockFlow::scrollHeight();
-}
-
-LayoutUnit RenderTextControlSingleLine::scrollLeft() const
-{
-    if (innerEditorElement())
-        return innerEditorElement()->scrollLeft();
-    return RenderBlockFlow::scrollLeft();
-}
-
-LayoutUnit RenderTextControlSingleLine::scrollTop() const
-{
-    if (innerEditorElement())
-        return innerEditorElement()->scrollTop();
-    return RenderBlockFlow::scrollTop();
-}
-
-void RenderTextControlSingleLine::setScrollLeft(LayoutUnit newLeft)
-{
-    if (innerEditorElement())
-        innerEditorElement()->setScrollLeft(newLeft);
-}
-
-void RenderTextControlSingleLine::setScrollTop(LayoutUnit newTop)
-{
-    if (innerEditorElement())
-        innerEditorElement()->setScrollTop(newTop);
-}
-
-HTMLInputElement* RenderTextControlSingleLine::inputElement() const
-{
-    return toHTMLInputElement(node());
-}
-
-}