FCL/sf/app/commonemail: comparison emailuis/nmhswidget/src/nmhswidget.cpp

equal deleted inserted replaced

-:6c59112cfd31
+:38bf5461e270
 *
 */
 #include <QtGui>
 #include <QTranslator>
 #include <QGraphicsLinearLayout>
+#include <QTimer>
 #include <hbcolorscheme.h>
 #include <hbdocumentloader.h>
 #include <hbframedrawer.h>
 #include <hbframeitem.h>
 #include <hblabel.h>
 #include <hbstyleloader.h>
 #include <hblistview.h>
 #include <hbdeviceprofile.h>
+#include <hbevent.h>
 #include "nmcommon.h"
 #include "nmmessageenvelope.h"
 #include "nmhswidget.h"
 #include "nmhswidgetemailengine.h"
 #include "nmhswidgettitlerow.h"
 mAccountId(0),
 mAccountIconName(),
 mDateObserver(0),
 mIsExpanded(false),
 mListView(0),
-	  mListModel(0)
+	  mListModel(0),
+	  mListActivityTimer(0)
 {
 NM_FUNCTION;
 }
 /*!
 delete mBackgroundFrameDrawer;
 mBackgroundFrameDrawer = NULL;
 delete mDateObserver;
 mDateObserver = NULL;
+if (mListActivityTimer){
+mListActivityTimer->stop();
+delete mListActivityTimer;
+mListActivityTimer = NULL;
+}
 }
 /*!
 \fn QPainterPath NmHsWidget::shape()
 mBackgroundFrameDrawer = new HbFrameDrawer(KNmHsWidgetBackgroundImage,
 HbFrameDrawer::NinePieces);
 HbFrameItem* backgroundLayoutItem = new HbFrameItem(mBackgroundFrameDrawer);
 //set to NULL to indicate that ownership transferred
 mBackgroundFrameDrawer = NULL;
-mWidgetContainer->setBackgroundItem(backgroundLayoutItem);
+mContentContainer->setBackgroundItem(backgroundLayoutItem);
+	HbEffect::add(mContentContainer, "combo_disappear_up", "collapse");
+HbEffect::add(mContentContainer, "combo_appear_down", "expand");
 }
 /*!
 Sets correct properties and mail item proto type for mail list view
 */
 void NmHsWidget::createMailRowsList()
 {
 	  NM_FUNCTION;
-connect(mListView, SIGNAL(activated(const QModelIndex&)), this,
+//construct list model
+mListModel = new NmHsWidgetListModel();
+	//Connect item activation (click) to message view launching
+	connect(mListView, SIGNAL(activated(const QModelIndex&)), this,
 SLOT(openMessage(const QModelIndex&)));
+//When new mails arrive, scroll list to the start
+connect(mListModel, SIGNAL( messagesAddedToModel() ),
+this, SLOT( handleMessagesAddedToModel() ));
+//connect item removal signal to update layout, so that nomailslabel & listview visibility
+//can be determined
+connect(mListModel, SIGNAL( modelIsEmpty(bool) ),
+this, SLOT( updateLayout() ));
 // Set the list widget properties.
+mListView->setItemRecycling(false);  //This should be changed in future
 NmHsWidgetListViewItem *prototype = new NmHsWidgetListViewItem(mListView);
 mListView->setItemPrototype(prototype);
-mListModel = new NmHsWidgetListModel();
 mListView->setModel(mListModel);
 }
 /*!
 Initializes the widget.
 void NmHsWidget::onInitialize()
 {
 NM_FUNCTION;
 QT_TRY {
 	    HbStyleLoader::registerFilePath(":/layout/nmhswidgetlistviewitem.widgetml");
 	    HbStyleLoader::registerFilePath(":/layout/nmhswidgetlistviewitem.css");
 	    // Use document loader to load the contents
 	    HbDocumentLoader loader;
 return;
 }
 setupUi();
+//Crete list for mail items
+createMailRowsList();
 //Engine construction is 2 phased.
 mEngine = new NmHsWidgetEmailEngine(mAccountId);
+connect(mEngine,    SIGNAL( mailDataRefreshed(const QList<NmMessageEnvelope*>&) ),
+mListModel, SLOT  ( refresh          (const QList<NmMessageEnvelope*>&) ));
+connect(mEngine,    SIGNAL( mailDataCleared() ),
+mListModel, SLOT  ( removeAllMessages() ));
+connect(mEngine,    SIGNAL( mailsReceived (const QList<NmMessageEnvelope*>&) ),
+mListModel, SLOT  ( addMessages   (const QList<NmMessageEnvelope*>&) ));
+connect(mEngine,    SIGNAL( mailsUpdated  (const QList<NmMessageEnvelope*>&) ),
+mListModel, SLOT  ( updateMessages(const QList<NmMessageEnvelope*>&) ));
+connect(mEngine,    SIGNAL( mailsDeleted  (const QList<NmId>&)),
+mListModel, SLOT  ( removeMessages(const QList<NmId>&) ));
 //Client must connect to exception signals before calling the initialize function
 //because we don't want to miss any signals.
 connect(mEngine, SIGNAL( exceptionOccured(const int&) ), this,
 SLOT( onEngineException(const int&) ));
 if (!mEngine->initialize()) {
 mTitleRow->updateAccountName(mEngine->accountName());
 //create observer for date/time change events
 mDateObserver = new NmHsWidgetDateTimeObserver();
-	//Crete list for mail items
+//Create timer for delaying events after list scrolling is ended
-createMailRowsList();
+mListActivityTimer = new QTimer(this);
+mListActivityTimer->setInterval(KNmHsWidgetDelayAfterScrollingEnded);
-updateMailData();
+connect(mListActivityTimer, SIGNAL(timeout()), this, SLOT(scrollListToStart()) );
+//Connect scrolling ended to scrolling timer activation
+//so that after timeout the list will be scrolled to first item
+connect(mListView, SIGNAL( scrollingEnded() ),
+mListActivityTimer, SLOT( start() ));
+//if timer is running, stop it right away when new activity happens
+connect(mListView, SIGNAL( scrollingStarted() ),
+mListActivityTimer, SLOT( stop() ));
 mTitleRow->updateUnreadCount(mEngine->unreadCount());
 mTitleRow->setAccountIcon(mAccountIconName);
 mTitleRow->setExpandCollapseIcon(mIsExpanded);
-//Get signals about changes in mail data
-connect(mEngine, SIGNAL( mailDataChanged() ), this, SLOT( updateMailData() ));
 //Get Signals about changes in unread count
 connect(mEngine, SIGNAL( unreadCountChanged(const int&) )
 ,mTitleRow, SLOT( updateUnreadCount(const int&) ) );
 //Get signals about account name changes
 	    connect(mTitleRow, SIGNAL( expandCollapseButtonPressed() )
 	            ,this, SLOT( handleExpandCollapseEvent() ) );
 	    //Get date/time events from date observer
 	    connect(mDateObserver, SIGNAL(dateTimeChanged())
-	            , this, SLOT(updateMailData()));
+	            , mEngine, SLOT(forceUpdate()));
 	    setMinimumSize(mTitleRow->minimumWidth(),
 	            mEmptySpaceContainer->minimumHeight() + mTitleRow->minimumHeight());
 }
 QT_CATCH(...) {
 NM_ERROR(1,"NmHsWidget::onInitialize fail @ catch");
 NM_FUNCTION;
 HbStyleLoader::unregisterFilePath(":/layout/nmhswidgetlistviewitem.widgetml");
 HbStyleLoader::unregisterFilePath(":/layout/nmhswidgetlistviewitem.css");
 }
-/*!
-updateMailData slot
-*/
-void NmHsWidget::updateMailData()
-{
-NM_FUNCTION;
-QT_TRY {
-QList<NmMessageEnvelope*> envelopes;
-int count = 0;
-if (mIsExpanded) {
-count = mEngine->getEnvelopes(envelopes, KMaxNumberOfMailsShown);
-}
-mListModel->refresh( envelopes );
-updateLayout(count);
-}QT_CATCH(...) {
-NM_ERROR(1,"NmHsWidget::updateMailData fail @ catch");
-emit error();
-}
-}
 /*!
 Sets monitored account id from given string
 Needed for home screen framework which supports only QString type properties
 */
 Slot to handle expand/collapse trigger event
 */
 void NmHsWidget::handleExpandCollapseEvent()
 {
 NM_FUNCTION;
-toggleExpansionState();
+if(mIsExpanded){
+HbEffect::start( mContentContainer, "collapse", this, "toggleExpansion");
+}
+else{
+toggleExpansionState();
+HbEffect::start( mContentContainer, "expand");
+}
 }
 /*!
 Sets widget expand/collapse state
 /post widget expansion state is changed
 QStringList propertiesList;
 propertiesList.append("widgetState");
 emit setPreferences(propertiesList);
 //handle state change drawing
-updateMailData();
+updateLayout();
 mTitleRow->setExpandCollapseIcon(mIsExpanded);
 }
 /*!
 titlerow & noMailsLabel.
 If widget is expanded and mailCount is greter
 than zero, layout will contain titlerow and KMaxNumberOfMailsShown times
 emailrow(s)
 */
-void NmHsWidget::updateLayout(const int mailCount)
+void NmHsWidget::updateLayout()
 {
 NM_FUNCTION;
+int mailCount = mListModel->rowCount();
 	//collapsed size
 qreal totalHeight = mEmptySpaceContainer->preferredHeight() + mTitleRow->containerHeight();
 if (mIsExpanded) {
 //when expanded, grow as big as possible
 /*!
 openMessage slot
 */
 void NmHsWidget::openMessage(const QModelIndex& index)
 {
-QVariant var = mListModel->data(index,Qt::DisplayRole);
+NM_FUNCTION;
-if(!var.isNull()){
+QVariant var = mListModel->data(index,Qt::DisplayRole);
-NmMessageEnvelope *envelope = var.value<NmMessageEnvelope*>();
+if(!var.isNull()){
-mEngine->launchMailAppMailViewer(envelope->messageId());
+NmMessageEnvelope *envelope = var.value<NmMessageEnvelope*>();
-}
+mEngine->launchMailAppMailViewer(envelope->messageId());
+}
+}
+/*!
+handleMessagesAddedToModel slo
+Slot is called when new messages is added to model. This function should scroll
+the list right away to the first item, unless there is user activity ongoing or
+the scrolling timer is active
+*/
+void NmHsWidget::handleMessagesAddedToModel()
+{
+NM_FUNCTION;
+if(mListActivityTimer->isActive() || mListView->isScrolling()){
+//No need to scroll right away as user is active and we don't want to interupt it
+//or the scrolling event will occur within KNmHsWidgetDelayAfterScrollingEnded msecs.
+return;
+}else{
+//if the list is idle, scroll to the first item
+scrollListToStart();
+}
+}
+/*!
+scrollListToStart slot - Scrolls the mListView to the beginning of the list with
+KListScrollUpTime as a time to do it.
+*/
+void NmHsWidget::scrollListToStart()
+{
+NM_FUNCTION;
+QModelIndex index = (mListModel->item(0,0))->index();
+//next line will fail if item recycling is enabled!!
+QPointF pos = (mListView->itemByIndex(index))->pos();
+if(mListView->contentWidget()->pos() != pos){
+//dont move if already there. Otherwise new scrolling events are emitted
+mListView->scrollContentsTo(pos, KListScrollUpTime);
+}
+mListActivityTimer->stop(); //stop the timer
 }
 /*!
 onEngineException (NmHsWidgetEmailEngineExceptionCode exc)
 signals widget to be finalized
 break;
 default:
 break;
 }
 }
+/*!
+toggleExpansion
+*/
+void NmHsWidget::toggleExpansion(const HbEffect::EffectStatus &status)
+{
+NM_FUNCTION;
+Q_UNUSED(status);
+toggleExpansionState();
+}
+/*
+* NmHsWidget::event()
+*/
+bool NmHsWidget::event( QEvent *event )
+{
+NM_FUNCTION;
+QEvent::Type eventType = event->type();
+if( eventType == HbEvent::ThemeChanged ){
+QColor newFontColor;
+newFontColor = HbColorScheme::color("qtc_hs_list_item_content_normal");
+mNoMailsLabel->setTextColor(newFontColor);
+return true;
+}
+return HbWidget::event(event);
+}

changeset 76	38bf5461e270
parent 74	6c59112cfd31