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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"
#ifdef ANDROID_LAYOUT
#include "Settings.h"
#endif
namespace WebCore {
RenderTextControlMultiLine::RenderTextControlMultiLine(Node* node, bool placeholderVisible)
: RenderTextControl(node, placeholderVisible)
{
}
RenderTextControlMultiLine::~RenderTextControlMultiLine()
{
if (node())
static_cast<HTMLTextAreaElement*>(node())->rendererWillBeDestroyed();
}
void RenderTextControlMultiLine::subtreeHasChanged()
{
RenderTextControl::subtreeHasChanged();
HTMLTextAreaElement* textArea = static_cast<HTMLTextAreaElement*>(node());
textArea->setFormControlValueMatchesRenderer(false);
textArea->updateValidity();
if (!node()->focused())
return;
node()->dispatchEvent(Event::create(eventNames().inputEvent, true, false));
if (Frame* frame = document()->frame())
frame->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;
bool resultIsTextValueOrPlaceholder
= (!m_placeholderVisible && result.innerNode() == innerTextElement())
|| (m_placeholderVisible && result.innerNode()->isDescendantOf(innerTextElement()));
if (result.innerNode() == node() || resultIsTextValueOrPlaceholder)
hitInnerTextElement(result, x, y, tx, ty);
return true;
}
void RenderTextControlMultiLine::forwardEvent(Event* event)
{
RenderTextControl::forwardEvent(event);
}
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(bool, bool) const
{
return height() + marginTop() + marginBottom();
}
void RenderTextControlMultiLine::updateFromElement()
{
createSubtreeIfNeeded(0);
RenderTextControl::updateFromElement();
HTMLTextAreaElement* textArea = static_cast<HTMLTextAreaElement*>(node());
if (m_placeholderVisible)
setInnerTextValue(textArea->getAttribute(HTMLNames::placeholderAttr));
else
setInnerTextValue(textArea->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;
if (m_placeholderVisible) {
if (RenderStyle* pseudoStyle = getCachedPseudoStyle(INPUT_PLACEHOLDER))
textBlockStyle = RenderStyle::clone(pseudoStyle);
}
if (!textBlockStyle) {
textBlockStyle = RenderStyle::create();
textBlockStyle->inheritFrom(startStyle);
}
adjustInnerTextStyle(startStyle, textBlockStyle.get());
textBlockStyle->setDisplay(BLOCK);
return textBlockStyle.release();
}
RenderStyle* RenderTextControlMultiLine::textBaseStyle() const
{
return style();
}
}
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