diff -r bf4420e9fa4d -r 2e16851ffecd browsercore/appfw/ThumbnailEngine/TnEngineHandler.cpp
--- a/browsercore/appfw/ThumbnailEngine/TnEngineHandler.cpp	Fri Jun 11 16:23:26 2010 +0100
+++ /dev/null	Thu Jan 01 00:00:00 1970 +0000
@@ -1,607 +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 <QPen>
-#include <QBrush>
-#include <QPainter>
-#include "webcontentview.h"
-#include "TnEngineHandler.h"
-#include "TnEngineView.h"
-#include "TnEngineGenerator.h"
-#include "WrtPageManager.h"
-#include "wrtbrowsercontainer.h"
-#include "qwebframe.h"
-#include <QDebug>
-
-namespace WRT {
-
-const int KDefaultZoomOutPercent = 250; // 2.5x TnEngine zoom out by default
-
-// defines a box relative to TnEngine edges. if view center goes outside this box
-// the view is recentered (50%==always center)
-const int KHScrollAreaPercent = 33; // horizontal distance in percent
-const int KVScrollAreaPercent = 50; // verical distance in percent
-const int KHScrollAreaPercentWithTouch1 = 20; // horizontal distance in percent when to scroll
-const int KVScrollAreaPercentWithTouch1 = 20; // verical distance in percent when to scroll
-const int KHScrollAreaPercentWithTouch2 = 25; // horizontal distance in percent amount to scroll (scroll to the right only)
-const int KVScrollAreaPercentWithTouch2 = 25; // verical distance in percent amount to scroll (scroll up only)
-const int KUpdateDelayComplete = 45000; // 45s
-const int KUpdateDelayLoading = 7000; // 7s
-const int KUpdateDelayFullScreen = 4000; // 4s
-const int KUpdateCbDelayComplete = 100; // 0.1s
-const int KUpdateCbDelayLoading = 1000; // 1s
-
-TnEngineHandler::TnEngineHandler(WrtPageManager * mgr, QWidget * parent)
-    : m_pageMgr(mgr),
-      m_zoomOutLevel(KDefaultZoomOutPercent),
-      m_needsUpdate(false),
-      m_documentComplete(false),
-      m_fullScreenMode(false),
-      m_pageScalerUpdating(false),
-      m_activePage(NULL),
-      m_parentWidget(parent)
-{
-    m_TnEngineView = NULL;
-    m_generator = NULL;
-    m_updateCbTimer = NULL;
-    m_updateTimer = NULL;
-
-    activate();
-}
-
-TnEngineHandler::~TnEngineHandler()
-{
-    deactivate();
-}
-
-QRect TnEngineHandler::containerRect() const
-{
-    return m_containerRect;
-}
-
-QRect TnEngineHandler::TnEngineRect() const
-{
-    QSize s(calcSize());
-    //center
-    QPoint p((m_containerRect.width()-s.width())/2,(m_containerRect.height()-s.height())/2);
-    return QRect(p,s);
-}
-
-QRect TnEngineHandler::indicatorRect() const
-{
-    QRect vp(documentViewport());
-    QRect TnEngineVp(viewportOnDocument());
-    vp.moveTo(vp.topLeft()-TnEngineVp.topLeft()); //make vp relative to TnEngineVp
-    QRect res = fromDocCoords(vp); //translate vp to mmap coords
-    // borders
-    res.moveTo(res.topLeft()+TnEngineRect().topLeft());
-    // so that view area is within the indicator
-    res.adjust(1,1,-1,-1);
-    // ensure it is within the bounds
-    QRect mr = TnEngineRect();
-    if (res.left() < mr.left()) {
-        res.setLeft(mr.left());
-    }
-    if (res.top() < mr.top()) {
-        res.setTop(mr.top());
-    }
-    if (res.right() > mr.right()) {
-        res.setRight(mr.right());
-    }
-    if (res.bottom() > mr.bottom()) {
-        res.setBottom(mr.bottom());
-    }
-    return res;
-}
-
-void TnEngineHandler::documentStarted()
-{
-    scaledPageChanged(theRect(), true, false);
-    m_documentComplete = false;
-    m_viewportOnDocument = QRect();
-    m_updateTimer->stop();
-    m_updateCbTimer->stop();
-    m_generator->clear();
-    m_needsUpdate = false;
-    // keep bitmaps during loading to avoid constant realloc
-    m_generator->setKeepsBitmaps(true);
-}
-
-void TnEngineHandler::documentChanged()
-{
-    long delay(m_documentComplete?KUpdateCbDelayComplete:KUpdateCbDelayLoading);
-    m_updateCbTimer->start( delay );
-}
-
-void TnEngineHandler::documentChangedCb()
-{
-    m_generator->invalidate();
-    if (m_updateTimer->isActive()) {
-        // timer running, update when it completes
-        m_needsUpdate = true;
-    }
-    else {
-        if (documentSize().height()>5) {
-            m_viewportOnDocument = calcViewportOnDocument();
-            m_generator->update();
-            m_needsUpdate = false;
-            // don't do another update for..
-            long delay(m_fullScreenMode?KUpdateDelayFullScreen:m_documentComplete?KUpdateDelayComplete:KUpdateDelayLoading);
-            m_updateTimer->start(delay);
-        }
-    }
-}
-
-void TnEngineHandler::documentViewportMoved()
-{
-    m_viewportOnDocument = calcViewportOnDocument();
-    m_generator->scroll();
-    if (m_visible) {
-        m_generator->update(true);
-    }
-    else {
-        m_needsUpdate = true;
-        if (!m_updateTimer->isActive()) {
-            long delay(m_documentComplete?KUpdateDelayComplete:KUpdateDelayLoading);
-            m_updateTimer->start(delay);
-        }
-    }
-}
-
-void TnEngineHandler::documentCompleted(bool)
-{
-    if( m_pageScalerUpdating ) return;
-    
-    // wait for a while so to make sure all images are decoded etc.
-    m_needsUpdate = true;
-    m_documentComplete = true;
-    m_updateTimer->start(0);
-    // we can delete the buffers now
-    m_generator->setKeepsBitmaps(false);
-    documentChanged();
-}
-
-QRect TnEngineHandler::viewportOnTnEngine() const
-{
-    return fromDocCoords(m_viewportOnDocument);
-}
-
-
-QRect TnEngineHandler::viewportOnDocument() const
-{
-    return m_viewportOnDocument;
-}
-
-QSize TnEngineHandler::calcSize() const
-{
-    QSize res, max;
-    QSize mms = fromDocCoords(documentSize());
-    max = m_containerRect.size();
-    res.setWidth(qMin(mms.width(),max.width()));
-    res.setHeight(qMin(mms.height(),max.height()));
-    return res;
-}
-
-QRect TnEngineHandler::calcViewportOnDocument() const
-{
-    QPoint mvp(m_viewportOnDocument.topLeft());
-    
-    QRect docvp(documentViewport());
-    QSize docs(documentSize());
-    QSize ms(toDocCoords(TnEngineRect().size()));
-    QPoint docc(docvp.center());
-    
-    if (!m_dragging) {
-        // scroll if not within 1/3 center area
-        // check x-direction
-        if (docc.x()<mvp.x()+ms.width()*KHScrollAreaPercent/100 ||
-            docc.x()>mvp.x()+ms.width()*(100-KHScrollAreaPercent)/100) {
-            // far enough from the center, re-center the view
-            mvp.setX(docc.x()-ms.width()/2);
-            if (mvp.x()+ms.width()>docs.width()) {
-                mvp.setX(docs.width()-ms.width());
-            }
-            if (mvp.x()<0) {
-                mvp.setX(0);
-            }
-        }
-        // y-direction
-        if (docc.y()<mvp.y()+ms.height()*KVScrollAreaPercent/100 ||
-            docc.y()>mvp.y()+ms.height()*(100-KVScrollAreaPercent)/100) {
-            // far enough from the center, re-center the view
-            mvp.setY(docc.y()-ms.height()/2);
-            if (mvp.y()+ms.height()>docs.height()) {
-                mvp.setY(docs.height()-ms.height());
-            }
-            if (mvp.y()<0) {
-                mvp.setY(0);
-            }
-        }
-        
-    }
-    else {
-        // check x-direction
-        bool moved = false;
-        if (docc.x()<mvp.x()+ms.width()*KHScrollAreaPercentWithTouch1/100) {
-            mvp.setX(docc.x()-ms.width()*KHScrollAreaPercentWithTouch2/100);
-            moved = true;
-        }
-        else if (docc.x()>mvp.x()+ms.width()*(100-KHScrollAreaPercentWithTouch1)/100) {
-            mvp.setX(docc.x()-ms.width()*(100-KHScrollAreaPercentWithTouch1)/100);
-            moved = true;
-        }
-        if (moved) {
-            if (mvp.x()+ms.width()>docs.width()) {
-                mvp.setX(docs.width()-ms.width());
-            }
-            if (mvp.x()<0) {
-                mvp.setX(0);
-            }
-        }
-        // y-direction
-        moved = false;
-        if (docc.y()<mvp.y()+ms.height()*KVScrollAreaPercentWithTouch1/100) {
-            mvp.setY(docc.y()-ms.height()*KVScrollAreaPercentWithTouch2/80);
-            moved = true;
-        }
-        else if (docc.y()>mvp.y()+ms.height()*(100-KVScrollAreaPercentWithTouch1)/100) {
-      mvp.setY(docc.y()-ms.height()*(100-KVScrollAreaPercentWithTouch1)/100);
-            moved = true;
-        }
-        
-        if (moved) {
-            if (mvp.y()+ms.height()>docs.height()) {
-                mvp.setY(docs.height()-ms.height());
-            }
-            if (mvp.y()<0) {
-                mvp.setY(0);
-            }
-        }
-    }
-    return QRect(mvp,ms);
-}
-
-void TnEngineHandler::draw(QPainter& gc, const QRect& rect) const
-{
-    if (m_fullScreenMode) {
-        QPen pen(Qt::SolidLine);
-        pen.setColor(QColor(220,220,255));
-        QBrush brush(Qt::SolidPattern);
-        brush.setColor(QColor(220,220,255));
-        gc.setPen(pen);
-        gc.setBrush(brush);
-        gc.drawRect(m_containerRect);
-        m_generator->draw(gc, TnEngineRect());
-        pen.setWidth(1);
-        pen.setColor(QColor(255, 0, 0));
-        gc.setPen(pen);
-        gc.setBrush(Qt::NoBrush);
-        gc.drawRect(indicatorRect());
-    }
-}
-
-QRect TnEngineHandler::fromDocCoords(const QRect& from) const
-{
-    return QRect(fromDocCoords(from.topLeft()),fromDocCoords(from.size()));
-}
-
-QPoint TnEngineHandler::fromDocCoords(const QPoint& from) const
-{
-    QPoint res;
-    res.setX(from.x()*100/m_zoomOutLevel);
-    res.setY(from.y()*100/m_zoomOutLevel);
-    return res;
-}
-
-QSize TnEngineHandler::fromDocCoords(const QSize& from) const
-{
-    QSize res;
-    res.setWidth(from.width()*100/m_zoomOutLevel);
-    res.setHeight(from.height()*100/m_zoomOutLevel);
-    return res;
-}
-
-QPoint TnEngineHandler::toDocCoords(const QPoint& from) const
-{
-    QPoint res;
-    res.setX(from.x()*m_zoomOutLevel/100);
-    res.setY(from.y()*m_zoomOutLevel/100);
-    return res;
-}
-
-QSize TnEngineHandler::toDocCoords(const QSize& from) const
-{
-    QSize res;
-    res.setWidth(from.width()*m_zoomOutLevel/100);
-    res.setHeight(from.height()*m_zoomOutLevel/100);
-    return res;
-}
-
-QRect TnEngineHandler::toDocCoords(const QRect& from) const
-{
-  return QRect(toDocCoords(from.topLeft()),toDocCoords(from.size()));
-}
-
-bool TnEngineHandler::checkAndCreateBitmap(QSize sz, QPixmap*& image)
-{
-    if ( sz.width()<=0 || sz.height()<=0 ) {
-        // delete bitmap if there was one
-        delete image;
-        image = 0;
-        return false;
-    }
-    else {
-        if ( image && sz != image->size() ) {
-            // resize if different size
-            QPixmap* bm = new QPixmap(image->copy(0, 0, sz.width(), sz.height()));
-            delete image;
-            image = bm;
-        }
-        else if ( !image ) {
-            // create new
-      QPixmap* bm = new QPixmap(sz);
-          image = bm;
-        }
-    }
-    return true;
-}
-
-void TnEngineHandler::updateCbTimerCb()
-{
-    m_updateCbTimer->stop();
-    m_pageScalerUpdating = true;
-    documentChangedCb();
-    m_pageScalerUpdating = false;
-}
-
-void TnEngineHandler::updateTimerCb()
-{
-    m_updateTimer->stop();
-    m_pageScalerUpdating = true;
-    if (m_needsUpdate) {
-        m_viewportOnDocument = calcViewportOnDocument();
-        m_generator->update();
-    }
-    m_needsUpdate = false;
-    m_pageScalerUpdating = false;
-    m_updateTimer->stop();
-}
-
-QRect TnEngineHandler::theRect() const
-{
-    return m_containerRect;
-}
-
-void TnEngineHandler::setContainerRect(const QRect& rect)
-{
-    m_containerRect = rect;
-    m_viewportOnDocument = calcViewportOnDocument();
-}
-
-bool TnEngineHandler::isFullScreenMode() const
-{
-    return m_fullScreenMode;
-}
-
-void TnEngineHandler::setFullScreenMode(bool fullScreenMode)
-{
-    m_fullScreenMode = fullScreenMode;
-    m_viewportOnDocument = calcViewportOnDocument();
-}
-
-void TnEngineHandler::setVisible(bool visible)
-{
-    if (visible && !m_visible) {
-        updateNow();
-    }
-    m_visible = visible;
-}
-
-void TnEngineHandler::updateNow()
-{
-    if (m_updateCbTimer->isActive()) {
-        m_updateCbTimer->stop();
-        m_updateTimer->stop();
-        documentChangedCb();
-    }
-    else {
-        m_updateTimer->stop();
-        updateTimerCb();
-    }
-}
-
-void TnEngineHandler::drawDocumentPart(QPainter& painter, const QRect& documentAreaToDraw)
-{
-    QWebFrame* frame = m_activePage->mainFrame();
-    QRegion clip(documentAreaToDraw);
-    painter.save();
-    painter.translate(-documentAreaToDraw.x(), -documentAreaToDraw.y());
-    frame->render(&painter, clip);
-    painter.restore();
-}
-
-QRect TnEngineHandler::documentViewport() const
-{
-    QSize size = m_activePage->webWidget()->size().toSize();
-    QSize offset = QSize(m_scrollX, m_scrollY);
-    return QRect(offset.width(), offset.height(), size.width(), size.height());
-}
-
-void TnEngineHandler::scaledPageChanged(const QRect& area, bool /*fullScreen*/, bool /*scroll*/)
-{
-    if (m_TnEngineView)
-        m_TnEngineView->update(area);
-}
-
-QSize TnEngineHandler::documentSize() const
-{
-    return m_activePage->mainFrame()->contentsSize();
-}
-
-QWidget* TnEngineHandler::widget()
-{ 
-    return m_TnEngineView;
-}
-
-
-void TnEngineHandler::activate()
-{
-    if (!m_TnEngineView) {
-        createGenerator();
-        createView();
-    }
-}
-
-void TnEngineHandler::deactivate()
-{
-    if (m_TnEngineView) {
-        destroyView();
-        destroyGenerator();
-    }
-}
-
-void TnEngineHandler::createGenerator()
-{
-    Q_ASSERT(m_pageMgr);
-    m_activePage = m_pageMgr->currentPage();
-    Q_ASSERT(m_activePage);
-    Q_ASSERT(!m_generator);
-    m_dragging = false;
-    QPoint pos(0,0);
-    pos = m_activePage->mainFrame()->scrollPosition();
-    m_scrollX = pos.x();
-    m_scrollY = pos.y();
-    if (!m_generator) {
-        m_generator = TnEngineGenerator::initWithTnEngine(*this);
-        m_updateCbTimer = new QTimer();
-        m_updateTimer = new QTimer();
-    }
-}
-
-void TnEngineHandler::destroyGenerator()
-{
-    Q_ASSERT(m_generator);
-    if (m_generator) {
-        delete m_generator;
-        m_generator = NULL;
-    }
-    if (m_updateCbTimer) {
-        m_updateCbTimer->stop();
-        delete m_updateCbTimer;
-        m_updateCbTimer = NULL;
-    }
-    if (m_updateTimer) {
-        m_updateTimer->stop();
-        delete m_updateTimer;
-        m_updateTimer = NULL;
-    }
-}
-
-void TnEngineHandler::createView()
-{
-    Q_ASSERT(m_activePage);
-    connect(m_updateCbTimer, SIGNAL(timeout()), this, SLOT(updateCbTimerCb()));
-    connect(m_updateTimer, SIGNAL(timeout()), this, SLOT(updateTimerCb()));
-    //    connect(WebController::webController(), SIGNAL(activePageChanged()), this, SLOT(cancelTnEngineView()));
-    connect(m_activePage, SIGNAL(loadStarted()), this, SLOT(documentStarted()));
-    connect(m_activePage, SIGNAL(repaintRequested(const QRect&)), this, SLOT(documentChanged()));
-    connect(m_activePage, SIGNAL(loadFinished(bool)), this, SLOT(documentCompleted(bool)));
-    //    connect(m_activePage, SIGNAL(scrollRequested(int, int, const QRect &)), this, SLOT(documentViewportMoved()));
-    Q_ASSERT(!m_TnEngineView);
-
-
-
-
-    //m_TnEngineView = TnEngineView::initiWithParentAndTnEngineHandler(m_activePage->webWidget(), this);
-    m_TnEngineView = TnEngineView::initiWithParentAndTnEngineHandler(m_parentWidget, this);
-    m_TnEngineView->show();
-    m_savedPointPageView = documentViewport().topLeft();
-    //    connect(m_activePage, SIGNAL(scrollRequested(int, int, const QRect &)), m_TnEngineView, SLOT(update()));
-    connect(m_TnEngineView, SIGNAL(scrollBy(int, int)), this, SLOT(scrollBy(int, int)));
-    connect(m_TnEngineView, SIGNAL(scrollStarted()), this, SLOT(draggingStarted()));
-    connect(m_TnEngineView, SIGNAL(scrollEnded()), this, SLOT(draggingEnded()));
-    connect(m_TnEngineView, SIGNAL(ok()), this, SLOT(okInvoked()));
-    // get initial thumbnail
-    documentStarted();
-    documentChanged();
-    documentCompleted(true);
-}
-
-void TnEngineHandler::destroyView()
-{
-    Q_ASSERT(m_activePage);
-    disconnect(m_updateCbTimer, SIGNAL(timeout()), this, SLOT(updateCbTimerCb()));
-    disconnect(m_updateTimer, SIGNAL(timeout()), this, SLOT(updateTimerCb()));
-    //    disconnect(WebController::webController(), SIGNAL(activePageChanged()), this, SLOT(cancelTnEngineView()));
-    disconnect(m_activePage, SIGNAL(loadStarted()), this, SLOT(documentStarted()));
-    disconnect(m_activePage, SIGNAL(repaintRequested(const QRect&)), this, SLOT(documentChanged()));
-    disconnect(m_activePage, SIGNAL(loadFinished(bool)), this, SLOT(documentCompleted(bool)));
-    //    disconnect(m_activePage, SIGNAL(scrollRequested(int, int, const QRect &)), this, SLOT(documentViewportMoved()));
-    Q_ASSERT(m_TnEngineView);
-    //    disconnect(m_activePage, SIGNAL(scrollRequested(int, int, const QRect &)), m_TnEngineView, SLOT(update()));
-    disconnect(m_TnEngineView, SIGNAL(scrollBy(int, int)), this, SLOT(scrollBy(int, int)));
-    disconnect(m_TnEngineView, SIGNAL(scrollStarted()), this, SLOT(draggingStarted()));
-    disconnect(m_TnEngineView, SIGNAL(scrollEnded()), this, SLOT(draggingEnded()));
-    disconnect(m_TnEngineView, SIGNAL(ok()), this, SLOT(okInvoked()));
-    m_TnEngineView->hide();
-    m_TnEngineView->deleteLater();
-    m_TnEngineView = NULL;
-    m_visible = false;
-}
-
-void TnEngineHandler::scrollBy(int x, int y)
-{
-    WebContentWidget* canvas = static_cast<WebContentWidget*>(m_activePage->webWidget());
-    qreal w = documentSize().width() - canvas->size().width();
-    qreal h = documentSize().height() - canvas->size().height();
-
-    qreal newX = m_scrollX + x;
-    qreal newY = m_scrollY + y;
-    newX = newX > 0 ? newX : 0;
-    newX = newX < w ? newX : w;
-    newY = newY > 0 ? newY : 0;
-    newY = newY < h ? newY : h;
-    m_scrollX = newX;
-    m_scrollY = newY;
-    if (m_generator)
-        documentViewportMoved();
-    if (m_TnEngineView)
-        m_TnEngineView->update();
-}
-
-void TnEngineHandler::draggingStarted()
-{
-    m_dragging = true;
-}
-
-void TnEngineHandler::draggingEnded()
-{
-    m_dragging = false;
-}
-
-void TnEngineHandler::okInvoked()
-{
-    QPoint pos(0,0);
-    pos = m_activePage->mainFrame()->scrollPosition();
-    
-    emit ok(m_scrollX - pos.x(), m_scrollY - pos.y());
-}
-
-
-}
-//  End of File