author | Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com> |
Tue, 27 Apr 2010 17:46:17 +0300 | |
branch | RCL_3 |
changeset 67 | 4917f9bf7995 |
parent 0 | dd21522fd290 |
permissions | -rw-r--r-- |
0
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/** |
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* This file is part of the html renderer for KDE. |
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* |
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* Copyright (C) 2005 Apple Computer, Inc. |
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* |
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* This library is free software; you can redistribute it and/or |
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* modify it under the terms of the GNU Library General Public |
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* License as published by the Free Software Foundation; either |
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* version 2 of the License, or (at your option) any later version. |
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* |
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* This library is distributed in the hope that it will be useful, |
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* but WITHOUT ANY WARRANTY; without even the implied warranty of |
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
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* Library General Public License for more details. |
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* |
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* You should have received a copy of the GNU Library General Public License |
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* along with this library; see the file COPYING.LIB. If not, write to |
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* the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, |
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* Boston, MA 02110-1301, USA. |
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* |
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*/ |
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|
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#include "config.h" |
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#include "RenderButton.h" |
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#include "Document.h" |
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#include "GraphicsContext.h" |
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#include "HTMLInputElement.h" |
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#include "HTMLNames.h" |
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#include "RenderText.h" |
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namespace WebCore { |
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using namespace HTMLNames; |
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RenderButton::RenderButton(Node* node) |
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: RenderFlexibleBox(node) |
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, m_buttonText(0) |
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, m_inner(0) |
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{ |
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} |
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void RenderButton::addChild(RenderObject* newChild, RenderObject* beforeChild) |
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{ |
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if (!m_inner) { |
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// Create an anonymous block. |
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ASSERT(!firstChild()); |
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m_inner = createAnonymousBlock(); |
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m_inner->style()->setBoxFlex(1.0f); |
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RenderFlexibleBox::addChild(m_inner); |
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} |
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m_inner->addChild(newChild, beforeChild); |
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} |
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void RenderButton::removeChild(RenderObject* oldChild) |
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{ |
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if (oldChild == m_inner || !m_inner) { |
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RenderFlexibleBox::removeChild(oldChild); |
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m_inner = 0; |
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} else |
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m_inner->removeChild(oldChild); |
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} |
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|
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void RenderButton::setStyle(RenderStyle* style) |
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{ |
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RenderBlock::setStyle(style); |
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if (m_buttonText) |
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m_buttonText->setStyle(style); |
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if (m_inner) // RenderBlock handled updating the anonymous block's style. |
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m_inner->style()->setBoxFlex(1.0f); |
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setReplaced(isInline()); |
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} |
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void RenderButton::updateFromElement() |
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{ |
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// If we're an input element, we may need to change our button text. |
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if (element()->hasTagName(inputTag)) { |
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HTMLInputElement* input = static_cast<HTMLInputElement*>(element()); |
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String value = input->valueWithDefault(); |
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setText(value); |
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} |
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} |
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|
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bool RenderButton::canHaveChildren() const |
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{ |
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// Input elements can't have children, but button elements can. We'll |
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// write the code assuming any other button types that might emerge in the future |
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// can also have children. |
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return !element()->hasTagName(inputTag); |
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} |
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void RenderButton::setText(const String& str) |
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{ |
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if (str.isEmpty()) { |
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if (m_buttonText) { |
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m_buttonText->destroy(); |
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m_buttonText = 0; |
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} |
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} else { |
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if (m_buttonText) |
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m_buttonText->setText(str.impl()); |
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else { |
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m_buttonText = new (renderArena()) RenderText(document(), str.impl()); |
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m_buttonText->setStyle(style()); |
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addChild(m_buttonText); |
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} |
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} |
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} |
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void RenderButton::updateBeforeAfterContent(RenderStyle::PseudoId type) |
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{ |
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if (m_inner) |
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m_inner->updateBeforeAfterContentForContainer(type, this); |
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else |
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updateBeforeAfterContentForContainer(type, this); |
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} |
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IntRect RenderButton::controlClipRect(int tx, int ty) const |
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{ |
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// Clip to the padding box to at least give content the extra padding space. |
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return IntRect(tx + borderLeft(), ty + borderTop(), m_width - borderLeft() - borderRight(), m_height - borderTop() - borderBottom()); |
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} |
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} // namespace WebCore |