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/**
* 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 "RenderTextControlMultiLine.h"
#include "Event.h"
#include "EventNames.h"
#include "Frame.h"
#include "HTMLNames.h"
#include "HTMLTextAreaElement.h"
#include "HitTestResult.h"
namespace WebCore {
RenderTextControlMultiLine::RenderTextControlMultiLine(Node* node, bool placeholderVisible)
: RenderTextControl(node, placeholderVisible)
{
}
RenderTextControlMultiLine::~RenderTextControlMultiLine()
{
if (node() && node()->inDocument())
static_cast<HTMLTextAreaElement*>(node())->rendererWillBeDestroyed();
}
void RenderTextControlMultiLine::subtreeHasChanged()
{
RenderTextControl::subtreeHasChanged();
HTMLTextAreaElement* textArea = static_cast<HTMLTextAreaElement*>(node());
textArea->setChangedSinceLastFormControlChangeEvent(true);
textArea->setFormControlValueMatchesRenderer(false);
textArea->setNeedsValidityCheck();
if (!node()->focused())
return;
if (Frame* frame = this->frame())
frame->editor()->textDidChangeInTextArea(textArea);
}
bool RenderTextControlMultiLine::nodeAtPoint(const HitTestRequest& request, HitTestResult& result, int x, int y, int tx, int ty, HitTestAction hitTestAction)
{
if (!RenderTextControl::nodeAtPoint(request, result, x, y, tx, ty, hitTestAction))
return false;
if (result.innerNode() == node() || result.innerNode() == innerTextElement())
hitInnerTextElement(result, x, y, tx, ty);
return true;
}
void RenderTextControlMultiLine::forwardEvent(Event* event)
{
RenderTextControl::forwardEvent(event);
}
float RenderTextControlMultiLine::getAvgCharWidth(AtomicString family)
{
// Since Lucida Grande is the default font, we want this to match the width
// of Courier New, the default font for textareas in IE, Firefox and Safari Win.
// 1229 is the avgCharWidth value in the OS/2 table for Courier New.
if (family == AtomicString("Lucida Grande"))
return scaleEmToUnits(1229);
return RenderTextControl::getAvgCharWidth(family);
}
int RenderTextControlMultiLine::preferredContentWidth(float charWidth) const
{
int factor = static_cast<HTMLTextAreaElement*>(node())->cols();
return static_cast<int>(ceilf(charWidth * factor)) + scrollbarThickness();
}
void RenderTextControlMultiLine::adjustControlHeightBasedOnLineHeight(int lineHeight)
{
setHeight(height() + lineHeight * static_cast<HTMLTextAreaElement*>(node())->rows());
}
int RenderTextControlMultiLine::baselinePosition(FontBaseline baselineType, bool firstLine, LineDirectionMode direction, LinePositionMode linePositionMode) const
{
return RenderBox::baselinePosition(baselineType, firstLine, direction, linePositionMode);
}
void RenderTextControlMultiLine::updateFromElement()
{
createSubtreeIfNeeded(0);
RenderTextControl::updateFromElement();
setInnerTextValue(static_cast<HTMLTextAreaElement*>(node())->value());
}
void RenderTextControlMultiLine::cacheSelection(int start, int end)
{
static_cast<HTMLTextAreaElement*>(node())->cacheSelection(start, end);
}
PassRefPtr<RenderStyle> RenderTextControlMultiLine::createInnerTextStyle(const RenderStyle* startStyle) const
{
RefPtr<RenderStyle> textBlockStyle = RenderStyle::create();
textBlockStyle->inheritFrom(startStyle);
adjustInnerTextStyle(startStyle, textBlockStyle.get());
textBlockStyle->setDisplay(BLOCK);
return textBlockStyle.release();
}
RenderStyle* RenderTextControlMultiLine::textBaseStyle() const
{
return style();
}
int RenderTextControlMultiLine::textBlockInsetLeft() const
{
int inset = borderLeft() + paddingLeft();
if (HTMLElement* innerText = innerTextElement()) {
if (RenderBox* innerTextRenderer = innerText->renderBox())
inset += innerTextRenderer->paddingLeft();
}
return inset;
}
int RenderTextControlMultiLine::textBlockInsetRight() const
{
int inset = borderRight() + paddingRight();
if (HTMLElement* innerText = innerTextElement()) {
if (RenderBox* innerTextRenderer = innerText->renderBox())
inset += innerTextRenderer->paddingRight();
}
return inset;
}
int RenderTextControlMultiLine::textBlockInsetTop() const
{
int inset = borderTop() + paddingTop();
if (HTMLElement* innerText = innerTextElement()) {
if (RenderBox* innerTextRenderer = innerText->renderBox())
inset += innerTextRenderer->paddingTop();
}
return inset;
}
}
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