--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/ginebra2/ChromeWidget.cpp	Tue May 04 12:39:35 2010 +0300
@@ -0,0 +1,657 @@
+/*
+* Copyright (c) 2010 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 <QWebElement>
+#include <QWebPage>
+#include <QWebFrame>
+#include <QList>
+#include <QKeyEvent>
+#include <QDebug>
+#include <QGraphicsSceneContextMenuEvent>
+
+#include "ChromeWidgetJSObject.h"
+#include "ChromeRenderer.h"
+#include "ChromeDOM.h"
+#include "Snippets.h"
+#include "ChromeSnippet.h"
+#include "ChromeWidget.h"
+#include "WebChromeContainerSnippet.h"
+#include "Application.h"
+#include "AppContentView.h"
+#include "BlueChromeSnippet.h"
+#include "GreenChromeSnippet.h"
+#include "ViewController.h"
+#include "ViewStack.h"
+//#include "CollapsingWidget.h"
+#include "SlidingWidget.h"
+#include "ProgressSnippet.h"
+#include "GWebPage.h"
+#include "webpagecontroller.h"
+//#include "ViewStack.h"
+#include "BookmarksManager.h"
+#include "ScriptObjects.h"
+#include "LocaleDelegate.h"
+#include "DeviceDelegate.h"
+
+#ifdef USE_DOWNLOAD_MANAGER
+#include "Downloads.h"
+#endif
+
+#include "wrtbrowsercontainer.h"
+#include "webpagecontroller.h"
+
+namespace GVA {
+
+// -----------------------------
+
+  ChromeWidget::ChromeWidget(QGraphicsItem * parent, Qt::WindowFlags wFlags) 
+    : QGraphicsWidget(parent, wFlags),
+      m_renderer(0),
+      m_dom(0),
+      m_viewController(new ViewController()),
+      m_topBar(0),
+      m_bottomBar(0),
+      m_leftBar(0),
+      m_rightBar(0),
+      m_aspect(portrait),
+      m_jsObject(new ChromeWidgetJSObject(0, this)),
+      m_localeDelegate(new LocaleDelegate(this)),
+      m_deviceDelegate(new DeviceDelegate()),
+      m_downloads(0)
+  {
+    m_scene = new QGraphicsScene();
+    //Keep key events not otherwise consumed from going to the scene
+    //installEventFilter(this);
+    //This is the root of the scene hierarchy
+    m_scene->addItem(this);
+    m_layout = new QGraphicsAnchorLayout();
+    m_layout->setContentsMargins(0,0,0,0);
+    m_layout->setSpacing(0);
+    setLayout(m_layout);
+    addAnchors();
+    m_viewPort = new SlidingWidget(this);
+    //m_viewBar = new CollapsingWidget(m_viewPort);
+#ifndef __gva_no_chrome__
+    m_snippets = new Snippets(this, this);
+#endif
+    m_layout->addAnchor(m_viewPort, Qt::AnchorTop, m_topBar, Qt::AnchorBottom);
+    m_layout->addAnchor(m_viewPort, Qt::AnchorBottom, m_bottomBar, Qt::AnchorTop);
+    m_layout->addAnchor(m_viewPort, Qt::AnchorLeft, m_leftBar, Qt::AnchorRight);
+    m_layout->addAnchor(m_viewPort, Qt::AnchorRight, m_rightBar, Qt::AnchorLeft);
+#ifndef __gva_no_chrome__
+    m_page =  static_cast<QWebPage *>(new GVA::WebPageWrapper(this, "Chrome Javascript error"));
+    m_page->mainFrame()->setScrollBarPolicy(Qt::Vertical, Qt::ScrollBarAlwaysOff);
+    m_page->mainFrame()->setScrollBarPolicy(Qt::Horizontal, Qt::ScrollBarAlwaysOff);
+#endif
+    m_viewController->setObjectName("views");
+
+    connect(m_viewController, SIGNAL(currentViewChanged()), this, SLOT(onCurrentViewChanged()));
+#ifndef __gva_no_chrome__
+
+    m_jsObject->setObjectName("chrome");
+    // Pass some signals from this object to the Javascript object.
+    QObject::connect(this, SIGNAL(chromeComplete()), m_jsObject, SIGNAL(chromeComplete()));
+    QObject::connect(this, SIGNAL(aspectChanged(int)), m_jsObject, SIGNAL(aspectChanged(int)));
+    QObject::connect(this, SIGNAL(prepareForGeometryChange()), m_jsObject, SIGNAL(prepareForGeometryChange()));
+    QObject::connect(this, SIGNAL(symbianCarriageReturn()), m_jsObject, SIGNAL(symbianCarriageReturn()));
+
+    //addJSObjectToEngine(this);
+    m_app = new GinebraApplication();
+    //addJSObjectToEngine(m_app);
+
+#ifdef USE_DOWNLOAD_MANAGER
+    m_downloads = new Downloads();
+    QObject::connect(
+            WebPageController::getSingleton(), SIGNAL(pageCreated(WRT::WrtBrowserContainer*)),
+            this, SLOT(pageCreated(WRT::WrtBrowserContainer*)));
+#endif
+    
+    QObject::connect(m_page, SIGNAL(loadFinished(bool)), this, SLOT(loadFinished(bool)));
+    QObject::connect(m_page, SIGNAL(loadStarted()), this, SLOT(loadStarted()));
+    QObject::connect(m_page->mainFrame(), SIGNAL(javaScriptWindowObjectCleared()), this, SLOT(exportJSObjects()));
+
+#endif
+    
+    ViewStack::getSingleton()->setViewController(m_viewController);
+    // TO DO: need a better home for this.
+    qMetaTypeId<QObjectList>();
+    qRegisterMetaType<QObjectList>("QObjectList");
+  }
+
+  void ChromeWidget::loadUrlToCurrentPage(const QUrl & url)
+  {
+    WRT::WrtBrowserContainer * activePage = WebPageController::getSingleton()->currentPage();
+
+    if (activePage) {
+      activePage->mainFrame()->load(url.toString());
+    }
+  }
+
+  void ChromeWidget::pageCreated(WRT::WrtBrowserContainer * page)
+  {
+#ifdef USE_DOWNLOAD_MANAGER
+    if (m_downloads) {
+        m_downloads->handlePage(page);
+    }
+#else
+    Q_UNUSED(page)
+#endif
+  }
+
+  ChromeWidget::~ChromeWidget()
+  {
+    // clearChrome(); // crashes on exit
+    delete m_viewController;
+    delete m_bottomBar;
+    delete m_topBar;
+    delete m_leftBar;
+    delete m_rightBar;
+    delete m_viewPort;
+    // delete m_viewLayout; // crashes on exit
+    delete m_renderer;
+    delete m_dom;
+    delete m_page;
+    // delete m_scene;  // crashes on exit
+    delete m_snippets;
+    // delete m_layout; // crashes on exit
+    delete m_localeDelegate;
+    delete m_deviceDelegate;
+#ifdef USE_DOWNLOAD_MANAGER
+    delete m_downloads;
+#endif
+  }
+ 
+
+  //Eat key events not otherwise consumed.
+  /*bool ChromeWidget::eventFilter(QObject * obj, QEvent * ev)
+  {
+   if(ev->type() == QEvent::KeyPress){
+      return true;
+    }
+    return QObject::eventFilter(obj,ev);
+ 
+  }*/
+
+  void ChromeWidget::resizeEvent(QGraphicsSceneResizeEvent *ev)
+  {
+#ifndef __gva_no_chrome__
+    if(m_dom && m_renderer) {
+      emit prepareForGeometryChange();
+      m_renderer->setGeometry(QRectF(-1200,-1200, ev->newSize().width(), m_dom->height()));
+    }
+    int aspect = m_aspect;
+    m_aspect = (ev->newSize().width() > ev->newSize().height())?landscape:portrait;
+    if(m_aspect != aspect) {
+      QString mode = (m_aspect == landscape ? "Landscape" : "Portrait");
+      ControllableViewBase* cview = m_viewController->currentView();
+      if (cview)
+        cview->displayModeChanged(mode);
+      emit aspectChanged(m_aspect);
+    }
+#endif
+    QGraphicsWidget::resizeEvent(ev);    
+    
+  }
+
+  /*
+  //For layout debugging
+  void ChromeWidget::paint(QPainter * painter, const QStyleOptionGraphicsItem * option, QWidget* widget){
+    painter->fillRect(geometry(), Qt::red);
+  }
+  */
+
+  void ChromeWidget::setChromeBaseDirectory(const QString dir) {
+    m_baseDirectory = dir;
+  }
+
+  void ChromeWidget::setChromeFile(const QString filePath)
+  {
+#ifndef __gva_no_chrome__
+    qDebug() << "ChromeWidget::setChromeFile: " << m_baseDirectory << filePath;
+    m_page->mainFrame()->load(QUrl(m_baseDirectory + filePath));
+#else
+    Q_UNUSED(filePath)
+#endif
+  }  
+
+  void ChromeWidget::reloadChrome()
+  {
+    clearChrome();
+    m_page->triggerAction(QWebPage::Reload);
+  }
+
+  void ChromeWidget::addViewToLayout(ControllableViewBase * controllableView){
+    //qDebug() << "ChromeWidget::addViewToLayout: " << controllableView->widget();
+    if(controllableView->widget()) {
+      m_viewPort->setWindow(controllableView->widget());
+      controllableView->widget()->setFocusPolicy(Qt::ClickFocus); //NB: Is this needed? Does it break anything?
+      controllableView->widget()->setZValue(-1.0); //Make sure we are behind any center anchored snippets
+    }
+  }
+
+  void ChromeWidget::addView(ControllableViewBase * controllableView) {
+    //qDebug() << "ChromeWidget::addView: " << controllableView->widget();
+    m_viewController->addView(controllableView);
+
+    /*
+    if(controllableView->widget()) {
+      addViewToLayout(controllableView);
+    }
+    else {
+      qWarning() << "ChromeWidget::addView: view has no widget. " << controllableView;
+      connect(controllableView, SIGNAL(instantiated(ControllableViewBase *)), this, SLOT(onViewInstantiated(ControllableViewBase *)));
+    }
+//    m_jsObjects.append(controllableView); // Add to list of exported objects
+#ifndef __gva_no_chrome__
+    addJSObjectToWindow(controllableView); // Export to DOM
+#endif
+    //addJSObjectToEngine(viewDelegate); // Export to script engine
+    */
+  }
+
+  void ChromeWidget::anchorToView(ChromeSnippet* snippet, const QString& where)
+  {
+    Q_UNUSED(where)
+      //m_viewBar->addItem(snippet);
+    m_viewPort->attachItem(snippet->widget());
+  }
+ 
+  void ChromeWidget::detachFromView(ChromeSnippet* snippet, const QString& where)
+  {
+    Q_UNUSED(where)
+      //  m_viewBar->removeItem(snippet);
+    m_viewPort->detachItem(snippet->widget());
+  }
+
+  void ChromeWidget::anchorTogether(ChromeSnippet* first, const QString& secondId, qreal x, qreal y)
+  { 
+    ChromeSnippet* second = getSnippet(secondId);
+    if (second){
+      //qDebug() << "Anchoring: " << first->objectName() << " to: " << second->objectName();
+      first->widget()->setParentItem(second->widget());
+      first->widget()->setPos(x,y);
+    }
+  }
+
+  void ChromeWidget::unAnchor(ChromeSnippet* snippet)
+  {
+    snippet->widget()->setParentItem(0);
+    snippet->widget()->setParentItem(this);
+  }
+
+  qreal ChromeWidget::slideView(qreal delta)
+  {
+    //return m_viewBar->collapse(delta);
+    return m_viewPort->slide(delta);
+  }
+
+  ControllableViewBase * ChromeWidget::getView(const QString& view)
+  {
+    return m_viewController->view(view);
+  }  
+
+  void ChromeWidget::showView(const QString &name) {
+    qDebug() << "ChromeWidget::showView: " << name;
+    m_viewController->showView(name);
+  }
+
+  void ChromeWidget::onCurrentViewChanged() {
+    addViewToLayout(m_viewController->currentView());
+  }
+
+  // Clean up all existing snippets;
+  
+  void ChromeWidget::clearChrome() 
+  {
+    m_snippets->clear();
+  }
+
+  void ChromeWidget::loadStarted() // slot
+  {
+    clearChrome();
+  }
+
+  void ChromeWidget::loadFinished(bool ok)  // slot
+  {
+    //qDebug() << "ChromeWidget::loadFinished";
+    if(!ok)
+      {
+      qDebug() << "ChromeWidget::loadFinished: error";
+      return;
+      }
+    //NB: do we really need to instantiate a new renderer?
+    if(m_renderer)
+      delete m_renderer;
+    // qDebug() << "Instantiate renderer";
+    m_renderer = new ChromeRenderer(m_page, this);
+    // qDebug() << "Resize the renderer 1";
+    m_renderer->resize(size());
+    m_renderer->setPos(-1200, -1200);
+    m_renderer->setZValue(-3);
+#ifdef Q_OS_SYMBIAN
+    connect(m_renderer, SIGNAL(symbianCarriageReturn()), this, SIGNAL(symbianCarriageReturn()));
+#endif
+    if(m_dom) 
+      delete m_dom; // NB: This may need some further investigation
+    m_dom = new ChromeDOM(m_page, this);
+    getInitialSnippets();
+    //Set the final renderer size to match the chrome
+    m_renderer->resize(size().width(), m_dom->height());
+    //qDebug() << m_dom->getCacheableScript();
+
+    // Let internal objects know that the chrome is complete.
+    emit internalChromeComplete();
+    // Now let the javascript world know that it is complete.
+    emit chromeComplete();
+  }
+
+  void ChromeWidget::chromeInitialized()
+  {
+    //NB: Don't want to implement this, but just in case
+  }
+
+  void ChromeWidget::exportJSObjects()
+  {
+    exportJSObjectsToPage(m_page);
+  }
+
+  void ChromeWidget::exportJSObjectsToPage(QWebPage *page) {
+    addJSObjectToPage(m_jsObject, page);
+    addJSObjectToPage(m_snippets, page);
+    addJSObjectToPage(m_app, page);
+    addJSObjectToPage(m_viewController, page);
+    addJSObjectToPage(WebPageController::getSingleton(), page);
+    addJSObjectToPage(WRT::BookmarksManager::getSingleton(), page);
+    addJSObjectToPage(ViewStack::getSingleton(), page);
+    addJSObjectToPage(m_localeDelegate, page);
+    addJSObjectToPage(m_deviceDelegate, page);
+    // Dynamically added objects
+    foreach(QObject * jsObj, m_jsObjects) {
+      addJSObjectToPage(jsObj, page);
+    }
+#ifdef USE_DOWNLOAD_MANAGER
+    if (m_downloads != 0) {
+        addJSObjectToPage(m_downloads, page);
+    }
+#endif
+  }
+
+  void ChromeWidget::getInitialSnippets()
+  {
+    //TODO: get the list of containers form m_dom (via new method to be added).
+    QList <QWebElement> initialSnippets = m_dom->getInitialElements();
+    foreach(QWebElement element, initialSnippets) {
+      ChromeSnippet * s = getSnippet(element.attribute("id"));
+      if(s->initiallyVisible())
+        s->setVisible(true);
+    }
+  }
+
+  void ChromeWidget::addAnchors(){
+    if(!m_bottomBar){
+      m_bottomBar = new QGraphicsWidget(this);
+      m_bottomBar->setPreferredHeight(0);
+      m_bottomBar->setSizePolicy(QSizePolicy(QSizePolicy::Preferred, QSizePolicy::Fixed));
+      m_layout->addAnchor(m_bottomBar, Qt::AnchorBottom, m_layout, Qt::AnchorBottom);
+      m_layout->addAnchors(m_bottomBar, m_layout, Qt::Horizontal);
+    }
+    if(!m_topBar){
+      m_topBar = new QGraphicsWidget(this);
+      m_topBar->setPreferredHeight(0);
+      m_topBar->setSizePolicy(QSizePolicy(QSizePolicy::Preferred, QSizePolicy::Fixed));
+      m_layout->addAnchor(m_topBar, Qt::AnchorTop, m_layout, Qt::AnchorTop);
+      m_layout->addAnchors(m_topBar, m_layout, Qt::Horizontal);
+    }
+    if(!m_leftBar){
+      m_leftBar = new QGraphicsWidget(this);
+      m_leftBar->setPreferredWidth(0);
+      m_leftBar->setSizePolicy(QSizePolicy(QSizePolicy::Fixed, QSizePolicy::Preferred));
+      m_layout->addAnchor(m_leftBar, Qt::AnchorLeft, m_layout, Qt::AnchorLeft);
+      m_layout->addAnchors(m_leftBar, m_layout, Qt::Vertical);
+    }
+    if(!m_rightBar){
+      m_rightBar = new QGraphicsWidget(this);
+      m_rightBar->setPreferredWidth(0);
+      m_rightBar->setSizePolicy(QSizePolicy(QSizePolicy::Fixed, QSizePolicy::Preferred));
+      m_layout->addAnchor(m_rightBar, Qt::AnchorRight, m_layout, Qt::AnchorRight);
+      m_layout->addAnchors(m_rightBar, m_layout, Qt::Vertical);
+    }
+  }
+  
+  //Check to see if snippet has an anchor and lay it out accordingly.
+  //Otherwise snippets determine their own positions from html
+
+  void ChromeWidget::anchorSnippet(ChromeSnippet * snippet)
+  {
+    if(snippet->anchor() == anchorBottom){
+      if(snippet->hidesContent()){
+	m_layout->addAnchor(snippet->widget(), Qt::AnchorBottom, m_bottomBar, Qt::AnchorTop);
+	m_layout->addAnchor(snippet->widget(), Qt::AnchorHorizontalCenter, m_bottomBar, Qt::AnchorHorizontalCenter);
+      } else {
+	snippet->widget()->setParentItem(m_bottomBar);
+	snippet->widget()->setY(-snippet->anchorOffset());
+      }
+    }
+    else if (snippet->anchor() == anchorTop){
+      if(snippet->hidesContent()){
+	m_layout->addAnchor(snippet->widget(),Qt::AnchorTop, m_topBar, Qt::AnchorBottom);
+	m_layout->addAnchor(snippet->widget(), Qt::AnchorHorizontalCenter, m_topBar, Qt::AnchorHorizontalCenter);
+      }
+      else {
+	snippet->widget()->setParentItem(m_topBar);
+	snippet->widget()->setY(snippet->anchorOffset());
+      }
+    }
+    else if (snippet->anchor() == anchorLeft){
+      if(snippet->hidesContent())
+	m_layout->addAnchor(snippet->widget(),Qt::AnchorLeft, m_leftBar, Qt::AnchorRight);
+      else {
+	snippet->widget()->setParentItem(m_leftBar);
+	snippet->widget()->setX(snippet->anchorOffset());
+      }
+    }
+    else if (snippet->anchor() == anchorRight){
+      if(snippet->hidesContent())
+	m_layout->addAnchor(snippet->widget(),Qt::AnchorRight, m_rightBar, Qt::AnchorLeft);
+      else {
+	snippet->widget()->setParentItem(m_rightBar);
+	snippet->widget()->setX(-snippet->anchorOffset());
+      }
+    }
+    else if (snippet->anchor() == anchorCenter) {
+      snippet->widget()->setParentItem(m_viewPort);
+      snippet->widget()->setZValue(0.0);
+      QGraphicsAnchorLayout * vl = static_cast<QGraphicsAnchorLayout*>(m_viewPort->layout());
+      vl->addAnchor(snippet->widget(), Qt::AnchorVerticalCenter, vl, Qt::AnchorVerticalCenter);
+      vl->addAnchor(snippet->widget(), Qt::AnchorHorizontalCenter, vl, Qt::AnchorHorizontalCenter);
+    }
+    else if (snippet->anchor() == anchorTopLeft){
+      qDebug() << "Setting top left anchor";
+      m_layout->addCornerAnchors(snippet->widget(), Qt::TopLeftCorner, m_layout, Qt::TopLeftCorner);
+    }
+    else if (snippet->anchor() == anchorTopRight)
+      m_layout->addCornerAnchors(snippet->widget(), Qt::TopRightCorner, m_layout, Qt::TopRightCorner);
+    else if (snippet->anchor() == anchorBottomLeft)
+      m_layout->addCornerAnchors(snippet->widget(), Qt::BottomLeftCorner, m_layout, Qt::BottomLeftCorner);
+    else if (snippet->anchor() == anchorBottomRight)
+      m_layout->addCornerAnchors(snippet->widget(), Qt::BottomRightCorner, m_layout, Qt::BottomRightCorner);
+  }
+
+  void ChromeWidget:: addSnippet(ChromeSnippet * snippet, const QString & docElementId )
+  {
+    m_snippets->addSnippet(snippet, docElementId);
+    snippet->widget()->setParentItem(this);
+    
+    if(!snippet->parentId().isNull()){
+      ChromeSnippet * container = getSnippet(snippet->parentId());
+      if(container)
+	container->addChild(snippet);
+    }
+    
+    anchorSnippet(snippet);
+  }
+
+  //NB: This really shouldn't be necessary: anchor bars should be implemented as an expanding
+  //widget class !!!!!!
+
+  void ChromeWidget::adjustAnchorOffset(ChromeSnippet * snippet, qreal delta)
+  {
+    if(snippet->anchor() == anchorBottom)
+      m_bottomBar->setPreferredHeight(m_bottomBar->preferredHeight() + delta);
+    else if(snippet->anchor() == anchorTop)
+      m_topBar->setPreferredHeight(m_topBar->preferredHeight() + delta);
+    else if(snippet->anchor() == anchorLeft){
+      m_leftBar->setPreferredWidth(m_leftBar->preferredWidth() + delta);
+    }
+    else if(snippet->anchor() == anchorRight){
+      m_rightBar->setPreferredWidth(m_rightBar->preferredWidth() + delta);
+    }
+  }
+
+  // Call after a snippet changes to visible state
+  // (NB: does not check to see whether snippet has been
+  // correctly added to chrome (by calling addSnippet).
+  // At a minimum should assert that the anchor "bars"
+  // are not null.)
+
+  void ChromeWidget::snippetShown(ChromeSnippet * snippet)
+  {
+    if(snippet->hidesContent())
+      return;
+    if(snippet->anchor() == anchorBottom)
+      m_bottomBar->setPreferredHeight(m_bottomBar->preferredHeight() + snippet->widget()->preferredHeight());
+    else if(snippet->anchor() == anchorTop)
+      m_topBar->setPreferredHeight(m_topBar->preferredHeight() + snippet->widget()->preferredHeight());
+    else if(snippet->anchor() == anchorLeft){
+      m_leftBar->setPreferredWidth(m_leftBar->preferredWidth() + snippet->widget()->preferredWidth());
+    }
+    else if(snippet->anchor() == anchorRight){
+      m_rightBar->setPreferredWidth(m_rightBar->preferredWidth() + snippet->widget()->preferredWidth());
+    }
+  }
+
+  // Call before a snippet changes to invisible state
+  // (NB: does not check to see whether snippet has been
+  // correctly added to chrome (by calling addSnippet).
+  // At a minimum should assert that the anchor "bars"
+  // are not null.)
+
+  void ChromeWidget::snippetHiding(ChromeSnippet * snippet)
+  {
+    if(snippet->hidesContent())
+      return;
+    if(snippet->anchor() == anchorBottom)
+      m_bottomBar->setPreferredHeight(m_bottomBar->preferredHeight() - snippet->widget()->preferredHeight());
+    else if(snippet->anchor() == anchorTop)
+      m_topBar->setPreferredHeight(m_topBar->preferredHeight() - snippet->widget()->preferredHeight());
+    else if(snippet->anchor() == anchorLeft){
+      m_leftBar->setPreferredWidth(m_leftBar->preferredWidth() - snippet->widget()->preferredWidth());
+    }
+    else if(snippet->anchor() == anchorRight){
+      m_rightBar->setPreferredWidth(m_rightBar->preferredWidth() - snippet->widget()->preferredWidth());
+    }
+  }
+
+  ChromeSnippet *ChromeWidget::getSnippet(const QString & docElementId, QGraphicsItem * parent) {
+ 
+    ChromeSnippet *result = m_snippets->getSnippet(docElementId);
+    if(!result){
+      result = m_dom->getSnippet(docElementId, parent);
+      if(result) {
+	result->setParent(m_snippets); // Exports to "Snippets" JS object
+        addSnippet(result, docElementId);
+      }
+      else{
+	qDebug() << "Snippet not found: " << docElementId;
+	return 0;
+      }
+    }else{
+      //qDebug() << "Found existing snippet: " << docElementId;
+    }
+    
+    return result;
+  }
+
+  QRect ChromeWidget::getSnippetRect(const QString &docElementId)
+  {
+    return m_dom->getElementRect(docElementId);
+  }
+
+  void ChromeWidget::addJSObjectToWindow(QObject *object) 
+  {
+    m_page->mainFrame()->addToJavaScriptWindowObject(object->objectName(), object);
+  }
+
+  void ChromeWidget::addJSObjectToPage(QObject *object, QWebPage *page)
+  {
+    page->mainFrame()->addToJavaScriptWindowObject(object->objectName(), object);
+  }
+
+  QObjectList ChromeWidget::getSnippets() {
+    return m_snippets->getList();
+  }
+
+  void ChromeWidget::alert(const QString & msg) {
+    // To do: open a dialog box showing msg.
+    qDebug() << msg;
+  }
+
+  QString ChromeWidget::getDisplayMode() const {
+    return (m_aspect==portrait)?"portrait":"landscape";
+  }
+
+  void ChromeWidget::onViewInstantiated(ControllableViewBase *view) {   // slot
+    qDebug() << "ChromeWidget::onViewInstantiated: "; // << view;
+    addViewToLayout(view);
+  }
+
+  QObject*  ChromeWidget::getDisplaySize() const 
+  {
+    ScriptSize * sz = new ScriptSize(size().toSize());
+    m_page->mainFrame()->addToJavaScriptWindowObject("size", sz, QScriptEngine::ScriptOwnership);
+    return sz;
+
+  }
+  
+void ChromeWidget::contextMenuEvent(QGraphicsSceneContextMenuEvent* event) 
+{
+    event->accept();
+}
+  
+  /*
+  void ChromeWidget::addJSObjectToEngine(QObject *object)
+  {
+    QScriptValue val = m_engine.newQObject(object);
+    m_engine.globalObject().setProperty(object->objectName(), val);
+  }
+
+  QScriptValue ChromeWidget::evalWithEngineContext(const QString& program)
+  {
+    return m_engine.evaluate(program);
+  }
+  */
+
+  void ChromeWidget::dump() {
+    qDebug() << "---------------------";
+    qDebug() << "ChromeWidget::dump";
+    m_snippets->dump();
+    m_viewController->dump();
+    //WebPageController::getSingleton()->dump();
+    qDebug() << "---------------------";
+  }
+} // endof namespace GVA