diff -r bf4420e9fa4d -r 2e16851ffecd browsercore/appfw/Common/VisualFlowLite.cpp
--- a/browsercore/appfw/Common/VisualFlowLite.cpp	Fri Jun 11 16:23:26 2010 +0100
+++ /dev/null	Thu Jan 01 00:00:00 1970 +0000
@@ -1,498 +0,0 @@
-/*
-* Copyright (c) 2009 Nokia Corporation and/or its subsidiary(-ies).
-* All rights reserved.
-* This component and the accompanying materials are made available
-* under the terms of "Eclipse Public License v1.0"
-* which accompanies this distribution, and is available
-* at the URL "http://www.eclipse.org/legal/epl-v10.html".
-*
-* Initial Contributors:
-* Nokia Corporation - initial contribution.
-*
-* Contributors:
-*
-* Description: 
-*
-*/
-
-
-// INCLUDE FILES
-#include "VisualFlowLite.h"
-
-#include <QTimer>
-#include <QPainter>
-#include <QKeyEvent>
-#include <QMouseEvent>
-
-#include <QDebug>
-
-
-// CONSTANTS
-const int KVisualFlowViewOffsetX = 2;
-
-//Animation related factors
-const int KResizeFactorIncr = 20;
-const int KAnimFactorInc = 25;
-const int KFastScrollAnimFactorInc = 40;
-const int KMaxAnimFactor = 100;
-const int KMinAnimFactor = 0;
-
-const int KRepaintTimerCb = 20;
-const int KCenterThumbnailWidthPercent = 50;
-const int KCenterThumbnailHeightPercent = 90;
-const int KSideThumbnailWidthPercent = 25;
-const int KSideThumbnailHeightPercent = 70;
-
-#define KCenterImageBorderColor Qt::red
-#define KSideImageBorderColor Qt::black
-
-
-namespace WRT {
-const int KScrollTimeout = 200;
-
-
-VisualFlowLite::VisualFlowLite(QWidget* parent) : FlowInterface(parent),
-    m_resizeFactor (KMinAnimFactor),
-    m_placeHolderResizeFactor(KMinAnimFactor),
-    m_centerPageIndex(-1),
-    m_scalingAllowed(false)
-{
-    m_paintState = paintStateNormal;
-    m_scrollTimer = NULL;
-}
-
-void VisualFlowLite::init()
-{
-    m_repaintTimer = new QTimer;
-    connect(m_repaintTimer, SIGNAL(timeout()), this, SLOT(calcRepaintRect()));
-    resize(parentWidget()->rect().size());
-
-    m_repaintTimer->start(KRepaintTimerCb);
-    // FIXME: Cursor undef for symbian?
-#if !defined(Q_OS_SYMBIAN)
-    setCursor(Qt::ArrowCursor);
-#endif
-    setFocusPolicy(Qt::WheelFocus);
-    setFocus(Qt::OtherFocusReason);
-}
-
-void VisualFlowLite::addSlide(const QImage& image)
-{
-    m_imageList.append(new QImage(image));
-}
-
-void VisualFlowLite::clear()
-{
-    if (m_repaintTimer->isActive()) {
-        m_repaintTimer->stop();
-    }
-    while (!m_imageList.isEmpty())
-        delete m_imageList.takeFirst();
-    if (m_scrollTimer) {
-        m_scrollTimer->stop();
-    }
-
-    m_paintState = paintStateNormal;
-    m_direction = 0;
-    m_repaintTimer->start(KRepaintTimerCb);
-}
-
-int VisualFlowLite::slideCount() const
-{
-    return m_imageList.count();
-}
-
-QImage VisualFlowLite::slide(int index) const
-{
-  const QImage* i = 0;
-  if((index >= 0) && (index < m_imageList.count()))
-    i = m_imageList.at(index);
-  return i ? QImage(*i) : QImage();
-}
-
-void VisualFlowLite::setCenterIndex(int i)
-{
-    setCurrentIndex(i);
-}
-
-int VisualFlowLite::centerIndex() const
-{
-    return m_centerPageIndex;
-}
-
-bool VisualFlowLite::slideAnimationOngoing() const
-{
-    return m_repaintTimer->isActive();
-}
-
-void  VisualFlowLite::setCenterThumbnail(int i)
-{
-    if(m_centerPageIndex + 1 == i) {
-        showNext();
-    }
-    else if(m_centerPageIndex - 1 == i) {
-        showPrevious();
-    }
-    else {
-        setCurrentIndex(i);
-        calculateLayout();
-        update();
-    }
-
-}
-
-void VisualFlowLite::setCurrentIndex(int i)
-{
-    m_currentIndex = i;
-    m_centerPageIndex = i;
-}
-
-VisualFlowLite::~VisualFlowLite()
-{
-    if (m_repaintTimer->isActive()) {
-        m_repaintTimer->stop();
-    }
-    delete m_repaintTimer;
-    while (!m_imageList.isEmpty())
-        delete m_imageList.takeFirst();
-    if (m_scrollTimer) {
-        m_scrollTimer->stop();
-        delete m_scrollTimer;
-    }
-}
-
-bool VisualFlowLite::calcRepaintRect()
-{
-    m_repaintTimer->stop();
-    disconnect(m_repaintTimer, SIGNAL(timeout()), this, SLOT(calcRepaintRect()));
-    connect(m_repaintTimer, SIGNAL(timeout()), this, SLOT(animatePlaceHolderPosition()));
-    if (m_resizeFactor == KMaxAnimFactor) {
-        m_repaintRect.setRect(rect().x(), rect().y(), rect().width(), rect().height());
-        update();
-        return false;
-    }
-    m_repaintRect.setRect(rect().x(), rect().y(), rect().width() * m_resizeFactor/100, rect().height() * m_resizeFactor/100);
-    m_resizeFactor += KResizeFactorIncr;
-    update();
-    return true;
-}
-
-void VisualFlowLite::keyPressEvent(QKeyEvent* event)
-{
-    switch (event->key()) {
-        case Qt::Key_Left:
-            showPrevious();
-            break;
-        case Qt::Key_Right:
-            showNext();
-            break;
-        case Qt::Key_Escape:
-            emit cancel();
-            break;
-        case Qt::Key_Enter:
-        case Qt::Key_Return:
-        case Qt::Key_Select:
-            emit ok(m_currentIndex);
-            break;
-    }
-}
-
-void VisualFlowLite::mousePressEvent(QMouseEvent* event)
-{
-    m_lastMoveEventPos = event->pos();
-    m_scrollTimer = new QTimer;
-    connect(m_scrollTimer, SIGNAL(timeout()), this, SLOT(scroll()));
-    m_scrollTimer->start(KScrollTimeout);
-    scroll();
-}
-
-void VisualFlowLite::mouseMoveEvent(QMouseEvent* event)
-{
-    m_lastMoveEventPos = event->pos();
-}
-
-void VisualFlowLite::mouseReleaseEvent(QMouseEvent* event)
-{
-    m_scrollTimer->stop();
-    delete m_scrollTimer;
-    m_scrollTimer = NULL;
-	if (slideAnimationOngoing()) {
-//		qDebug() << "vfl:mouseReleaseEvent slideanimation running, ignoring click";
-		return;
-	}
-    if (event->x() > m_centerPlaceHolderRect.left() && event->x() < m_centerPlaceHolderRect.right()) {
-    	emit ok(centerIndex());
-    }
-}
-
-void VisualFlowLite::scroll()
-{
-    if (m_lastMoveEventPos.x() < m_leftPlaceHolderRect.right())
-        showPrevious();
-    else if (m_lastMoveEventPos.x() > m_rightPlaceHolderRect.left())
-        showNext();
-}
-
-void VisualFlowLite::paintEvent(QPaintEvent* event)
-{
-    if (m_paintState == paintStateNormal) {
-        paintNormalState(event);
-    }
-    else if (m_paintState == paintStateInTransition) {
-        paintInTransition(event);
-    }
-}
-
-void VisualFlowLite::paintNormalState(QPaintEvent* event)
-{
-    int imageCount = m_imageList.count();
-    const QImage* centerEntry = (m_centerPageIndex >= 0)&&(imageCount>0) ? (m_imageList.at(m_centerPageIndex)) : NULL;    
-    const QImage* leftEntry = (m_centerPageIndex - 1 >= 0)&&(imageCount>0) ? (m_imageList.at(m_centerPageIndex - 1)) : NULL;
-    const QImage* rightEntry = (m_centerPageIndex + 1 < imageCount) ? (m_imageList.at(m_centerPageIndex + 1)) : NULL;
-
-    QPainter painter(this);
-    painter.save();
-    painter.setBrush(Qt::white);
-    painter.drawRect(rect());
-    painter.setBrush(Qt::NoBrush);
-    if (leftEntry) {
-        //painter.drawImage(m_leftPlaceHolderRect.topLeft(), *leftEntry, QRect(QPoint(0, 0), m_leftPlaceHolderRect.size()));
-        paintImage(&painter, m_leftPlaceHolderRect, *leftEntry);
-
-        painter.setPen(KSideImageBorderColor);
-        painter.drawRect(m_leftPlaceHolderRect);
-    }
-    if (rightEntry) {
-        //painter.drawImage(m_rightPlaceHolderRect.topLeft(), *rightEntry, QRect(QPoint(0, 0), m_rightPlaceHolderRect.size()));
-        paintImage(&painter, m_rightPlaceHolderRect, *rightEntry);
-
-        painter.setPen(KSideImageBorderColor);
-        painter.drawRect(m_rightPlaceHolderRect);
-    }
-    if (centerEntry ) {
-        //painter.drawImage(m_centerPlaceHolderRect.topLeft(), *centerEntry, QRect(QPoint(0, 0), m_centerPlaceHolderRect.size()));
-        paintImage(&painter, m_centerPlaceHolderRect, *centerEntry);
-    }
-    painter.setPen(KCenterImageBorderColor);
-    painter.drawRect(m_centerPlaceHolderRect);
-    painter.restore();
-}
-
-void VisualFlowLite::resizeEvent(QResizeEvent* event)
-{
-    calculateLayout();
-    update();
-}
-
-void VisualFlowLite::calculateLayout()
-{
-    QSize screenSize = rect().size();
-    //QSize screenSize = sizeHint();
-    
-    QSize viewSize((screenSize.width() - 2 * KVisualFlowViewOffsetX), screenSize.height());
-    int centerImageWidth(viewSize.width() * KCenterThumbnailWidthPercent / 100);
-    int centerImageHeight(viewSize.height() * KCenterThumbnailHeightPercent/100);
-    QSize centerImageSize(centerImageWidth, centerImageHeight);
-
-    int sideImageWidth(viewSize.width() * KSideThumbnailWidthPercent/100);
-    int sideImageHeight(viewSize.height() * KSideThumbnailHeightPercent/100);
-    QSize sideImageSize(sideImageWidth, sideImageHeight);
-
-    int centerImageX(KVisualFlowViewOffsetX + sideImageWidth);
-    int centerImageY(viewSize.height() * (100 - KCenterThumbnailHeightPercent) / (2 * 100));
-    QPoint centerImageOrigin(centerImageX, centerImageY);
-
-    m_centerPlaceHolderRect.setRect(centerImageOrigin.x(), centerImageOrigin.y(), centerImageSize.width(), centerImageSize.height());
-    int sideImageY(viewSize.height() * (100 - KSideThumbnailHeightPercent) / (2 * 100));
-    QPoint leftThumbnailOrigin(KVisualFlowViewOffsetX, sideImageY );
-    QPoint rightThumbnailOrigin((int)(KVisualFlowViewOffsetX + sideImageWidth + centerImageWidth), sideImageY );
-
-    m_leftPlaceHolderRect.setRect(leftThumbnailOrigin.x(), leftThumbnailOrigin.y(), sideImageSize.width(), sideImageSize.height());
-    m_rightPlaceHolderRect.setRect(rightThumbnailOrigin.x(), rightThumbnailOrigin.y(), sideImageSize.width(), sideImageSize.height());
-}
-
-bool VisualFlowLite::animatePlaceHolderPosition()
-{
-    m_repaintTimer->stop();
-    if (m_placeHolderResizeFactor >= KMaxAnimFactor) {
-        //Restore old values and end AO
-        if (m_direction == 1) {
-            m_centerPageIndex++;
-        }
-        if (m_direction == -1) {
-            m_centerPageIndex--;
-        }
-        m_placeHolderResizeFactor = 0;
-        m_direction = 0;
-        m_paintState = paintStateNormal;
-        update();
-        emit centerIndexChanged(m_centerPageIndex);
-        return false;
-    }
-    update();
-    return true;
-}
-
-void VisualFlowLite::paintInTransition(QPaintEvent* event)
-{
-    QRect rects[4];
-    int dw = 0;
-    int dh = 0;
-    int dx = 0;
-    //left movement
-    if (m_direction == -1) {
-        QPoint pt(m_leftPlaceHolderRect.x(), m_leftPlaceHolderRect.y() + m_leftPlaceHolderRect.height() / 2);
-        dw = m_leftPlaceHolderRect.width() * m_placeHolderResizeFactor / 200;
-        dh = m_leftPlaceHolderRect.height() * m_placeHolderResizeFactor / 200;
-        rects[0].setRect(pt.x(), pt.y() - dh, 2 * dw, 2 * dh);
-
-        dx = (m_centerPlaceHolderRect.x() - m_leftPlaceHolderRect.x()) * m_placeHolderResizeFactor / 100;
-        dw = (m_centerPlaceHolderRect.width() - m_leftPlaceHolderRect.width()) * m_placeHolderResizeFactor / 200;
-        dh = (m_centerPlaceHolderRect.height() - m_leftPlaceHolderRect.height()) * m_placeHolderResizeFactor / 200;
-        rects[1].setRect(m_leftPlaceHolderRect.x() + dx, m_leftPlaceHolderRect.y() - dh, m_leftPlaceHolderRect.width() + 2 * dw, m_leftPlaceHolderRect.height() + 2 * dh);
-
-        dx = (m_rightPlaceHolderRect.x() - m_centerPlaceHolderRect.x()) * m_placeHolderResizeFactor / 100;
-        dw = (m_centerPlaceHolderRect.width() - m_rightPlaceHolderRect.width()) * m_placeHolderResizeFactor / 200;
-        dh = (m_centerPlaceHolderRect.height() - m_rightPlaceHolderRect.height()) * m_placeHolderResizeFactor / 200;
-        rects[2].setRect(m_centerPlaceHolderRect.x() + dx, m_centerPlaceHolderRect.y() + dh, m_centerPlaceHolderRect.width() - 2 * dw, m_centerPlaceHolderRect.height() - 2 * dh);
-
-        dw = (m_rightPlaceHolderRect.width()) * m_placeHolderResizeFactor / 200;
-        dh = (m_rightPlaceHolderRect.height()) * m_placeHolderResizeFactor / 200;
-        rects[3].setRect(m_rightPlaceHolderRect.x() + 3 * dw, m_rightPlaceHolderRect.y() + dh, m_rightPlaceHolderRect.width() - 2 * dw, m_rightPlaceHolderRect.height() - 2 * dh);
-
-        const QImage* item = 0;
-        QPainter painter(this);
-        painter.setPen(Qt::NoPen);
-        QBrush whiteBrush(Qt::white, Qt::SolidPattern);
-        painter.setBrush(whiteBrush);
-        painter.drawRect(rect());
-
-        for (int i = 0; i < 4; i++) {
-            item = (m_centerPageIndex - 2 + i >= 0 && m_centerPageIndex - 2 + i < m_imageList.count()) ?
-                m_imageList.at(m_centerPageIndex - 2 + i) : NULL;
-            if (item) {
-                QRect intersectRect(rect());
-                intersectRect = intersectRect.intersected(rects[i]);
-                if (!intersectRect.isEmpty()) {
-                    //painter.drawImage(intersectRect.topLeft(), *item, QRect(0, 0, rects[i].width(), rects[i].height()));
-                    paintImage(&painter, intersectRect, *item);
-
-                    QPen sideImagePen(KSideImageBorderColor);
-                    sideImagePen.setStyle(Qt::SolidLine);
-                    painter.setPen(sideImagePen);
-                    painter.setBrush(Qt::NoBrush);
-                    painter.drawRect(intersectRect);
-                }
-            }
-        }
-    }
-
-    if (m_direction == 1) {
-        dw = m_leftPlaceHolderRect.width() * m_placeHolderResizeFactor / 200;
-        dh = m_leftPlaceHolderRect.height() * m_placeHolderResizeFactor / 200;
-        rects[0].setRect(m_leftPlaceHolderRect.x() + 3 * dw, m_leftPlaceHolderRect.y() + dh, m_leftPlaceHolderRect.width() - 2 * dw, m_leftPlaceHolderRect.height() - 2 * dh);
-
-        dx = (m_centerPlaceHolderRect.x() - m_leftPlaceHolderRect.x()) * m_placeHolderResizeFactor / 100;
-        dw = (m_centerPlaceHolderRect.width() - m_leftPlaceHolderRect.width()) * m_placeHolderResizeFactor / 200;
-        dh = (m_centerPlaceHolderRect.height() - m_leftPlaceHolderRect.height()) * m_placeHolderResizeFactor / 200;
-        rects[1].setRect(m_centerPlaceHolderRect.x() - dx, m_centerPlaceHolderRect.y() + dh, m_centerPlaceHolderRect.width() - 2 * dw, m_centerPlaceHolderRect.height() - 2 * dh);
-
-        dx = (m_rightPlaceHolderRect.x() - m_centerPlaceHolderRect.x()) * m_placeHolderResizeFactor / 100;
-        dw = (m_centerPlaceHolderRect.width() - m_rightPlaceHolderRect.width()) * m_placeHolderResizeFactor / 200;
-        dh = (m_centerPlaceHolderRect.height() - m_rightPlaceHolderRect.height()) * m_placeHolderResizeFactor / 200;
-        rects[2].setRect(m_rightPlaceHolderRect.x() - dx, m_rightPlaceHolderRect.y() -dh, m_rightPlaceHolderRect.width() + 2 * dw, m_rightPlaceHolderRect.height() + 2 * dh);
-
-        QPoint pt(m_rightPlaceHolderRect.x() + m_rightPlaceHolderRect.width(), m_rightPlaceHolderRect.y() + m_rightPlaceHolderRect.height() / 2);
-        dw = (m_rightPlaceHolderRect.width()) * m_placeHolderResizeFactor / 200;
-        dh = (m_rightPlaceHolderRect.height()) * m_placeHolderResizeFactor / 200;
-        rects[3].setRect(pt.x() - 2 * dw, pt.y() - dh, pt.x(), pt.y() + 2 * dh);
-
-        const QImage* item = 0;
-        QPainter painter(this);
-        painter.setPen(Qt::NoPen);
-        QBrush whiteBrush(Qt::white, Qt::SolidPattern);
-        painter.setBrush(whiteBrush);
-        painter.drawRect(rect());
-
-        for (int i = 0; i < 4; i++)  {
-            item = (m_centerPageIndex - 1 + i >= 0 && m_centerPageIndex - 1 + i < m_imageList.count()) ?
-                m_imageList.at(m_centerPageIndex - 1 + i) : NULL;
-            if (item) {
-                QRect intersectRect(rect());
-                intersectRect = intersectRect.intersected(rects[i]);
-                if (!intersectRect.isEmpty()) {
-                    //painter.drawImage(intersectRect.topLeft(), *item, QRect(0, 0, rects[i].width(), rects[i].height()));
-                    paintImage(&painter, intersectRect, *item);
-
-                    QPen sideImagePen(KSideImageBorderColor);
-                    sideImagePen.setStyle(Qt::SolidLine);
-                    painter.setPen(sideImagePen);
-                    painter.setBrush(Qt::NoBrush);
-                    painter.drawRect(intersectRect);
-                }
-            }
-        }
-    }
-    if (!m_fastScroll) {
-        m_placeHolderResizeFactor += KAnimFactorInc;
-    }
-    else {
-        m_placeHolderResizeFactor += KFastScrollAnimFactorInc;
-    }
-    m_repaintTimer->start(KRepaintTimerCb);
-}
-
-void VisualFlowLite::showPrevious()
-{
-    if (m_centerPageIndex > 0) {
-        if (m_repaintTimer->isActive()) {
-            m_repaintTimer->stop();
-            m_resizeFactor = KMaxAnimFactor;
-        }
-        m_paintState = paintStateInTransition;
-        m_direction = -1;
-        m_repaintTimer->start(KRepaintTimerCb);
-    }
-}
-
-void VisualFlowLite::showNext()
-{
-    int count = m_imageList.count();
-    if (m_centerPageIndex < ( count -1 )) {
-        if (m_repaintTimer->isActive()) {
-            m_repaintTimer->stop();
-            m_resizeFactor = KMaxAnimFactor;
-        }
-        m_paintState = paintStateInTransition;
-        m_direction = 1;
-        m_repaintTimer->start(KRepaintTimerCb);
-    }
-}
-
-void VisualFlowLite::paintImage(QPainter* painter, QRect rect, QImage image)
-{
-    // scaling images up does not look good so we only scale down if image is too big
-    bool shouldScale(false);
-    if (m_scalingAllowed)
-         shouldScale = (image.height() > rect.height() || image.width() > rect.width()); // scale down needed
-
-
-    QImage img = (shouldScale) ?  image.scaled(rect.width(), rect.height(), Qt::KeepAspectRatio) : image;
-
-    int originX = rect.topLeft().x();
-    int originY = rect.topLeft().y();
-    // center the image if needed
-    if (rect.width() > img.width())
-        originX += (rect.width() - img.width()) / 2;
-    if (rect.height() > img.height())
-        originY += (rect.height() - img.height()) / 2;
-
-    painter->drawImage(QPoint(originX, originY), img, QRect(QPoint(0, 0), rect.size()));
-}
-
-QRect VisualFlowLite::centralRect() const 
-{
-    return QRect();
-}
-
-}