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/*
* Copyright (C) 2004, 2005, 2006 Apple Computer, Inc. All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY APPLE COMPUTER, INC. ``AS IS'' AND ANY
* EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE COMPUTER, INC. OR
* CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
* EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
* PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
* PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
* OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#include "config.h"
#include "Widget.h"
#include "IntRect.h"
#include "ScrollView.h"
#include <wtf/Assertions.h>
namespace WebCore {
void Widget::init(PlatformWidget widget)
{
m_parent = 0;
m_selfVisible = false;
m_parentVisible = false;
m_widget = widget;
if (m_widget)
retainPlatformWidget();
}
void Widget::setParent(ScrollView* view)
{
ASSERT(!view || !m_parent);
if (!view || !view->isVisible())
setParentVisible(false);
m_parent = view;
if (view && view->isVisible())
setParentVisible(true);
}
ScrollView* Widget::root() const
{
const Widget* top = this;
while (top->parent())
top = top->parent();
if (top->isFrameView())
return const_cast<ScrollView*>(static_cast<const ScrollView*>(top));
return 0;
}
void Widget::removeFromParent()
{
if (parent())
parent()->removeChild(this);
}
IntRect Widget::convertFromContainingWindow(const IntRect& windowRect) const
{
if (const ScrollView* parentScrollView = parent()) {
IntRect parentRect = parentScrollView->convertFromContainingWindow(windowRect);
return convertFromContainingView(parentRect);
}
return convertFromContainingWindowToRoot(this, windowRect);
}
IntRect Widget::convertToContainingWindow(const IntRect& localRect) const
{
if (const ScrollView* parentScrollView = parent()) {
IntRect parentRect = convertToContainingView(localRect);
return parentScrollView->convertToContainingWindow(parentRect);
}
return convertFromRootToContainingWindow(this, localRect);
}
IntPoint Widget::convertFromContainingWindow(const IntPoint& windowPoint) const
{
if (const ScrollView* parentScrollView = parent()) {
IntPoint parentPoint = parentScrollView->convertFromContainingWindow(windowPoint);
return convertFromContainingView(parentPoint);
}
return convertFromContainingWindowToRoot(this, windowPoint);
}
IntPoint Widget::convertToContainingWindow(const IntPoint& localPoint) const
{
if (const ScrollView* parentScrollView = parent()) {
IntPoint parentPoint = convertToContainingView(localPoint);
return parentScrollView->convertToContainingWindow(parentPoint);
}
return convertFromRootToContainingWindow(this, localPoint);
}
#if !PLATFORM(MAC) || ENABLE(EXPERIMENTAL_SINGLE_VIEW_MODE)
IntRect Widget::convertFromRootToContainingWindow(const Widget*, const IntRect& rect)
{
return rect;
}
IntRect Widget::convertFromContainingWindowToRoot(const Widget*, const IntRect& rect)
{
return rect;
}
IntPoint Widget::convertFromRootToContainingWindow(const Widget*, const IntPoint& point)
{
return point;
}
IntPoint Widget::convertFromContainingWindowToRoot(const Widget*, const IntPoint& point)
{
return point;
}
#endif
#if (!PLATFORM(MAC) && !PLATFORM(GTK) && !PLATFORM(ANDROID)) || ENABLE(EXPERIMENTAL_SINGLE_VIEW_MODE)
void Widget::releasePlatformWidget()
{
}
void Widget::retainPlatformWidget()
{
}
#endif
IntRect Widget::convertToContainingView(const IntRect& localRect) const
{
if (const ScrollView* parentScrollView = parent()) {
IntRect parentRect(localRect);
parentRect.setLocation(parentScrollView->convertChildToSelf(this, localRect.location()));
return parentRect;
}
return localRect;
}
IntRect Widget::convertFromContainingView(const IntRect& parentRect) const
{
if (const ScrollView* parentScrollView = parent()) {
IntRect localRect = parentRect;
localRect.setLocation(parentScrollView->convertSelfToChild(this, localRect.location()));
return localRect;
}
return parentRect;
}
IntPoint Widget::convertToContainingView(const IntPoint& localPoint) const
{
if (const ScrollView* parentScrollView = parent())
return parentScrollView->convertChildToSelf(this, localPoint);
return localPoint;
}
IntPoint Widget::convertFromContainingView(const IntPoint& parentPoint) const
{
if (const ScrollView* parentScrollView = parent())
return parentScrollView->convertSelfToChild(this, parentPoint);
return parentPoint;
}
} // namespace WebCore
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