/*
* Copyright (c) 2010 Nokia Corporation and/or its subsidiary(-ies).
* All rights reserved.
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU Lesser General Public License as published by
* the Free Software Foundation, version 2.1 of the License.
*
* This program 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 Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public License
* along with this program. If not,
* see "http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html/".
*
* Description:
*
*/
#include "WebChromeContainerSnippet.h"
#include "ChromeItem.h"
#include "WebChromeItem.h"
#include "ChromeWidget.h"
#include "ChromeRenderer.h"
#include "ChromeSnippet.h"
#include <QDebug>
namespace GVA {
WebChromeContainerSnippet::WebChromeContainerSnippet(const QString & elementId, ChromeWidget * chrome, const QWebElement & element)
: ChromeSnippet(elementId, chrome, 0, element)
,m_layoutHeight(0)
{
m_layoutWidth = chrome->layout()->size().width();
//QGraphicsWidget * item = static_cast<QGraphicsWidget*> (widget());
//NB: maybe size should be fixed only in one direction?
//item->setSizePolicy(QSizePolicy(QSizePolicy::Fixed, QSizePolicy::Fixed));
//NB: add a method for setting owner area
//item->setPreferredSize(m_ownerArea.width(), m_ownerArea.height());
//Also resize in case item is not part of anchor layout
//item->resize(item->preferredSize());
//NB: Linear layout efaults to horizontal: handle vertical layouts too.
m_layout = new QGraphicsLinearLayout();
m_layout->setContentsMargins(0,0,0,0);
m_layout->setSpacing(0);
//Add a stretch element at the beginning.
m_layout->addStretch();
//item->setLayout(m_layout);
//When chrome is resized sizes for snippets may change
QObject::connect(m_chrome->renderer(), SIGNAL(chromeResized()), this, SLOT(updateOwnerArea()));
QObject::connect(m_chrome, SIGNAL(prepareForSizeChange(QSize)), this, SLOT(updateSize(QSize)));
}
WebChromeContainerSnippet::~WebChromeContainerSnippet()
{
// delete m_layout;
}
void WebChromeContainerSnippet::positionChildren()
{
; //Do nothing since the layout positions children automatically.
}
void WebChromeContainerSnippet::setChromeWidget(QGraphicsWidget * widget){
widget->setSizePolicy(QSizePolicy(QSizePolicy::Fixed, QSizePolicy::Fixed));
widget->setLayout(m_layout);
ChromeSnippet::setChromeWidget(widget);
}
void WebChromeContainerSnippet::addChild(ChromeSnippet * child)
{
//Prevent layout from stretching the child widgets. NB: Revisit this to make configurable from chrome?
child->widget()->setSizePolicy(QSizePolicy(QSizePolicy::Fixed, QSizePolicy::Fixed));
//child->widget()->setParentItem(this->widget()); // Shouldn't be needed, right?
m_layout->addItem(child->widget());
//Add a stretch after each element so the layout looks like this: |stretch|item|stretch|item . . . . stretch|item|
m_layout->addStretch();
qreal childHeight = child->widget()->size().height();
if (childHeight > m_layoutHeight){
m_layoutHeight = childHeight;
updateSizes();
}
emit childAdded(child);
m_layout->activate();
}
void WebChromeContainerSnippet:: updateOwnerArea()
{
updateSizes();
QObject::disconnect(m_chrome->renderer(), SIGNAL(chromeResized()), this, SLOT(updateOwnerArea()));
}
void WebChromeContainerSnippet::setLayoutHeight(int height){
if (m_layoutHeight != height){
m_layoutHeight = height;
updateSizes();
}
}
void WebChromeContainerSnippet::setLayoutWidth(qreal width, bool update){
if (m_layoutWidth != width){
m_layoutWidth = width;
if (update ) {
updateSizes();
}
}
}
void WebChromeContainerSnippet::updateSize(QSize size ) {
Q_UNUSED(size);
// m_layoutWidth should have been set by now through derived classes. We don't want to set it
// here as that would overwrite any width set before. For example, width of the middle snippet
// in toolbar is set by the main toolbar.
updateSizes();
}
void WebChromeContainerSnippet::updateSizes() {
QGraphicsWidget * item = static_cast<QGraphicsWidget*> (widget());
//Resize the item
item->setPreferredSize(m_layoutWidth, m_layoutHeight);
//Also resize in case item is not part of anchor layout
item->resize(item->preferredSize());
}
} // endof namespace GVA