--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/browserui/browser/FeedsSrc/FeedsTopicContainer.cpp Wed Sep 01 12:31:04 2010 +0100
@@ -0,0 +1,622 @@
+/*
+* Copyright (c) 2005 Nokia Corporation and/or its subsidiary(-ies).
+* All rights reserved.
+* This component and the accompanying materials are made available
+* under the terms of the License "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: A view to browse a feed's topics.
+*
+*/
+
+
+
+#include <AknNavi.h>
+#include <AknNaviDe.h>
+#include <AknNaviLabel.h>
+#include <AknTabGrp.h>
+#include <AknViewAppUi.h>
+#include <akniconarray.h>
+#include <aknconsts.h>
+#include <aknsconstants.h>
+#include <aknlists.h>
+#include <aknsutils.h>
+#include <data_caging_path_literals.hrh>
+#include <eikclbd.h>
+#include <gulicon.h>
+#ifdef __SERIES60_HELP
+// Context-Sensitve Help File
+#include <csxhelp/browser.hlp.hrh>
+#include "BrowserApplication.h"
+#endif // __SERIES60_HELP
+
+#include <browser.mbg>
+#include "Browser.hrh"
+#include <BrowserNG.rsg>
+#include <feedattributes.h>
+#include <folderattributes.h>
+#include <feedsentity.h>
+#include "FeedsTopicContainer.h"
+#include "FeedsTopicView.h"
+
+#include "ApiProvider.h"
+#include "Display.h"
+
+
+const TInt KDateSize = 30; // Size of Date strings
+const TInt KTimeSize = 30; // Size of Time strings
+
+
+// -----------------------------------------------------------------------------
+// CFeedsTopicContainer::NewL
+//
+// Two-phased constructor.
+// -----------------------------------------------------------------------------
+//
+CFeedsTopicContainer* CFeedsTopicContainer::NewL(CFeedsTopicView* aView,
+ MApiProvider& aApiProvider, const TRect& aRect)
+ {
+ CFeedsTopicContainer* self = new (ELeave) CFeedsTopicContainer(aView, aApiProvider);
+
+ CleanupStack::PushL(self);
+ self->ConstructL(aRect);
+ CleanupStack::Pop();
+
+ return self;
+ }
+
+
+// -----------------------------------------------------------------------------
+// CFeedsTopicContainer::CFeedsTopicContainer
+//
+// C++ default constructor.
+// -----------------------------------------------------------------------------
+//
+CFeedsTopicContainer::CFeedsTopicContainer(CFeedsTopicView* aView,
+ MApiProvider& aApiProvider ) :
+ iView( aView ),
+ iApiProvider( aApiProvider )
+ {
+ }
+
+
+// -----------------------------------------------------------------------------
+// CFeedsTopicContainer::ConstructL
+//
+// Symbian 2nd phase constructor can leave.
+// -----------------------------------------------------------------------------
+//
+void CFeedsTopicContainer::ConstructL(const TRect& aRect)
+ {
+ CreateWindowL();
+ SetMopParent( iView );
+ InitContainerL(aRect);
+ ActivateL();
+ }
+
+
+// -----------------------------------------------------------------------------
+// CFeedsTopicContainer::~CFeedsTopicContainer
+//
+// Deconstructor.
+// -----------------------------------------------------------------------------
+//
+CFeedsTopicContainer::~CFeedsTopicContainer()
+ {
+ delete iListBox;
+ delete iListBoxRows;
+ delete iNaviDecorator;
+ }
+
+
+// -----------------------------------------------------------------------------
+// CFeedsTopicContainer::OfferKeyEventL
+//
+// Handles key event.
+// -----------------------------------------------------------------------------
+//
+TKeyResponse CFeedsTopicContainer::OfferKeyEventL(const TKeyEvent& aKeyEvent, TEventCode aType)
+ {
+ if (aType != EEventKey)
+ {
+ return EKeyWasNotConsumed;
+ }
+
+ if (( aKeyEvent.iCode == EKeyOK || aKeyEvent.iCode == EKeyEnter ) &&
+ ( aKeyEvent.iModifiers & EModifierShift ) )
+ {
+ return EKeyWasConsumed;
+ }
+
+ return iListBox->OfferKeyEventL(aKeyEvent, aType);
+ }
+
+
+// -----------------------------------------------------------------------------
+// CFeedsTopicContainer::GetHelpContext
+//
+// Get help context for the control.
+// -----------------------------------------------------------------------------
+//
+#ifdef __SERIES60_HELP
+void CFeedsTopicContainer::GetHelpContext(TCoeHelpContext& aContext) const
+ {
+ // This must be the Browser's uid becasue the help texts are under Browser topics.
+ aContext.iMajor = KUidBrowserApplication;
+ aContext.iContext = KOSS_HLP_RSS_ARTICLELST;
+ }
+#endif // __SERIES60_HELP
+
+
+// -----------------------------------------------------------------------------
+// CFeedsTopicContainer::SizeChanged
+//
+// Called by framework when the view size is changed.
+// -----------------------------------------------------------------------------
+//
+void CFeedsTopicContainer::SizeChanged()
+ {
+ iListBox->SetRect(Rect());
+ }
+
+
+// -----------------------------------------------------------------------------
+// CFeedsTopicContainer::HandleResourceChange
+//
+// Called by the framework when a display resource changes (i.e. skin or layout).
+// -----------------------------------------------------------------------------
+//
+void CFeedsTopicContainer::HandleResourceChange(TInt aType)
+ {
+ CCoeControl::HandleResourceChange(aType);
+ iListBox->HandleResourceChange(aType);
+
+ if (aType == KEikDynamicLayoutVariantSwitch)
+ {
+ TRect rect;
+
+ if (AknLayoutUtils::LayoutMetricsRect(AknLayoutUtils::EMainPane, rect))
+ {
+ SetRect(rect);
+ }
+ }
+ }
+
+
+// -----------------------------------------------------------------------------
+// CFeedsTopicContainer::CountComponentControls
+//
+// Returns number of components.
+// -----------------------------------------------------------------------------
+//
+TInt CFeedsTopicContainer::CountComponentControls() const
+ {
+ return 1;
+ }
+
+
+// -----------------------------------------------------------------------------
+// CFeedsTopicContainer::ComponentControl
+//
+// Returns pointer to particular component.
+// -----------------------------------------------------------------------------
+//
+CCoeControl* CFeedsTopicContainer::ComponentControl(TInt aIndex) const
+ {
+ switch (aIndex)
+ {
+ case 0:
+ return iListBox;
+
+ default:
+ return NULL;
+ }
+ }
+
+
+// -----------------------------------------------------------------------------
+// CFeedsTopicContainer::HandleListBoxEventL
+//
+// Processes key events from the listbox.
+// -----------------------------------------------------------------------------
+//
+void CFeedsTopicContainer::HandleListBoxEventL(CEikListBox* /*aListBox*/, TListBoxEvent aEventType)
+ {
+ // An item was selected.
+ if ((aEventType == MEikListBoxObserver::EEventEnterKeyPressed) ||
+ (aEventType == MEikListBoxObserver::EEventItemDoubleClicked)
+#ifdef BRDO_SINGLE_CLICK_ENABLED_FF
+ || (aEventType == MEikListBoxObserver::EEventItemSingleClicked)
+#endif
+ )
+ {
+ HandleOpenL();
+ }
+ }
+
+
+// -----------------------------------------------------------------------------
+// CFeedsTopicContainer::SetCurrentFeedL
+//
+// Sets the current feed
+// -----------------------------------------------------------------------------
+//
+void CFeedsTopicContainer::SetCurrentFeedL(const CFeedsEntity& aFeed, TInt aIndex)
+ {
+ // If the feed changes ignore aIndex.
+ if (iFeed != &aFeed)
+ {
+ aIndex = 0;
+ }
+
+ iFeed = &aFeed;
+
+ // Update the view.
+ UpdateTitleL();
+ UpdateListBoxL();
+ UpdateNavigationPaneL();
+
+ iListBox->SetCurrentItemIndex(aIndex);
+ iListBox->DrawDeferred();
+ }
+
+
+// -----------------------------------------------------------------------------
+// CFeedsTopicContainer::CurrentIndex
+//
+// Returns the current item.
+// -----------------------------------------------------------------------------
+TInt CFeedsTopicContainer::CurrentIndex() const
+ {
+ return iListBox->CurrentItemIndex();
+ }
+
+
+// -----------------------------------------------------------------------------
+// CFeedsTopicContainer::ItemCount
+//
+// Returns the number of items.
+// -----------------------------------------------------------------------------
+//
+TInt CFeedsTopicContainer::ItemCount() const
+ {
+ return iFeed->GetChildren().Count();
+ }
+
+
+// -----------------------------------------------------------------------------
+// CFeedsTopicContainer::UpdateTitleL
+//
+// Update the view's title.
+// -----------------------------------------------------------------------------
+//
+void CFeedsTopicContainer::UpdateTitleL()
+ {
+
+ // Set the view's title
+ TPtrC title;
+ iFeed->GetStringValue(EFeedAttributeTitle,title);
+ iApiProvider.Display().SetTitleL(title);
+ }
+
+
+// -----------------------------------------------------------------------------
+// CFeedsTopicContainer::HandleOpenL
+//
+// Handle the open command.
+// -----------------------------------------------------------------------------
+//
+void CFeedsTopicContainer::HandleOpenL()
+ {
+ TInt index;
+
+ // Get the index of the item to show.
+ index = iListBox->CurrentItemIndex();
+
+ // Show the FeedView.
+ iApiProvider.FeedsClientUtilities().ShowFeedViewLocalL(index);
+ }
+
+
+// -----------------------------------------------------------------------------
+// CFeedsTopicContainer::HandleUpdateFeedL
+//
+// Handles updating the current Feed.
+// -----------------------------------------------------------------------------
+//
+void CFeedsTopicContainer::HandleUpdateFeedL(void)
+ {
+ iApiProvider.FeedsClientUtilities().UpdateFeedL(*iFeed);
+ }
+
+
+// -----------------------------------------------------------------------------
+// CFeedsTopicContainer::InitContainerL
+//
+// Inits the container.
+// -----------------------------------------------------------------------------
+//
+void CFeedsTopicContainer::InitContainerL(const TRect& aRect)
+ {
+ iListBox = new (ELeave) CAknSingleGraphicStyleListBox;
+ //iListBox = new (ELeave) CAknDoubleGraphicStyleListBox;
+ //iListBox = new (ELeave) CAknSingleStyleListBox;
+
+ // below flags equals EAknListBoxMarkableList without the EAknListBoxShiftEnterMarks
+ // so the shift key press is not handled by avkon
+ iListBox->ConstructL(this, (EAknGenericListBoxFlags | EAknListBoxMultipleSelection));
+ iListBox->SetContainerWindowL(*this);
+ iListBox->SetRect(aRect.Size());
+ iListBox->SetListBoxObserver(this);
+
+ iListBoxRows = new (ELeave) CDesCArraySeg(10);
+ iListBox->Model()->SetItemTextArray(iListBoxRows);
+ iListBox->Model()->SetOwnershipType(ELbmDoesNotOwnItemArray);
+
+ iListBox->ActivateL();
+ iListBox->CreateScrollBarFrameL(ETrue);
+ iListBox->ScrollBarFrame()->SetScrollBarVisibilityL(CEikScrollBarFrame::EOn, CEikScrollBarFrame::EAuto);
+
+ // Add the needed icons.
+ InitIconArrayL();
+
+ // Enable marquee.
+ iListBox->ItemDrawer()->ColumnData()->EnableMarqueeL(ETrue);
+ }
+
+
+// -----------------------------------------------------------------------------
+// CFeedsTopicContainer::InitIconArrayL
+//
+// Inits the array of needed icons.
+// -----------------------------------------------------------------------------
+//
+void CFeedsTopicContainer::InitIconArrayL()
+ {
+ _LIT(KDirAndFile,"z:browser.mbm");
+
+ TParse* fp = NULL;
+ CArrayPtr<CGulIcon>* icons = NULL;
+
+ // Build the path to the feeds resource file.
+ fp = new (ELeave) TParse();
+ CleanupStack::PushL(fp);
+
+ User::LeaveIfError(fp->Set(KDirAndFile, &KDC_APP_BITMAP_DIR, NULL));
+ TBuf<KMaxFileName> iconFile= fp->FullName();
+ CleanupStack::PopAndDestroy(fp);
+
+ // Create the icon array.
+ icons = new (ELeave) CAknIconArray(1);
+ CleanupStack::PushL(icons);
+
+ // Add the unread icon
+ AppendIconL(icons, KAknsIIDQgnPropFileRssUnread, iconFile,
+ EMbmBrowserQgn_prop_file_rss_unread, EMbmBrowserQgn_prop_file_rss_unread_mask);
+
+ // Add the read icon
+ AppendIconL(icons, KAknsIIDQgnPropFileRssRead, iconFile,
+ EMbmBrowserQgn_prop_file_rss_read, EMbmBrowserQgn_prop_file_rss_read_mask);
+
+ // Set the icons and cleanup
+ iListBox->ItemDrawer()->ColumnData()->SetIconArray(icons);
+ CleanupStack::Pop(icons);
+ }
+
+
+// -----------------------------------------------------------------------------
+// CFeedsTopicContainer::AppendIconL
+//
+// Loads and appends an icon to the icon array.
+// -----------------------------------------------------------------------------
+//
+void CFeedsTopicContainer::AppendIconL(CArrayPtr<CGulIcon>* aIcons,
+ const TAknsItemID& aID, const TDesC& aFilename, const TInt aFileBitmapId,
+ const TInt aFileMaskId)
+ {
+ CGulIcon* newIcon;
+ CFbsBitmap* newIconBmp;
+ CFbsBitmap* newIconMaskBmp;
+
+ // Create the bitmaps: the bitmaps are left on the cleanup stack.
+ AknsUtils::CreateIconL(AknsUtils::SkinInstance(), aID, newIconBmp,
+ newIconMaskBmp, aFilename, aFileBitmapId, aFileMaskId);
+
+ CleanupStack::PushL(newIconBmp);
+ CleanupStack::PushL(newIconMaskBmp);
+
+ newIcon = CGulIcon::NewL(newIconBmp, newIconMaskBmp);
+ CleanupStack::Pop(newIconMaskBmp);
+ CleanupStack::Pop(newIconBmp);
+ CleanupStack::PushL(newIcon);
+
+ aIcons->AppendL(newIcon);
+ CleanupStack::Pop(newIcon);
+ }
+
+
+// -----------------------------------------------------------------------------
+// CFeedsTopicContainer::UpdateListBoxL
+//
+// Sets the list-box's values.
+// -----------------------------------------------------------------------------
+//
+void CFeedsTopicContainer::UpdateListBoxL()
+ {
+ TBuf<255> listBoxtxt;
+
+ // Clear the list.
+ iListBoxRows->Reset();
+
+ if (iFeed == NULL)
+ {
+ return;
+ }
+
+ // Add the items.
+ for (int i = 0; i < iFeed->GetChildren().Count(); i++)
+ {
+ CFeedsEntity* item = iFeed->GetChildren()[i];
+ TPtrC title;
+ TPtrC desc;
+ TDesC* itemName;
+ TInt status;
+
+ item->GetStringValue(EItemAttributeTitle,title);
+ item->GetStringValue(EItemAttributeDescription,desc);
+ item->GetIntegerValue(EItemAttributeStatus,status);
+ // Get the title.
+ itemName = &(title);
+
+ // If the title is missing use the description instead.
+ if (itemName->Length() == 0)
+ {
+ itemName = &(desc);
+ }
+
+ // Ensure the title isn't too long.
+ TInt len = itemName->Length();
+ if (len > 253)
+ {
+ len = 253;
+ }
+
+ // Format: icon-index\t\1st Line of text\t2nd Line of text\t0
+ listBoxtxt.Zero();
+
+ switch (status)
+ {
+ // unread and new item all share the same unread icon
+ case EItemStatusNew:
+ listBoxtxt.Append(_L("0\t"));
+ break;
+
+ case EItemStatusUnread:
+ listBoxtxt.Append(_L("0\t"));
+ break;
+
+ default:
+ listBoxtxt.Append(_L("1\t"));
+ break;
+ }
+
+ listBoxtxt.Append(itemName->Ptr(), len);
+ listBoxtxt.Append(KNullDesC());
+
+ iListBoxRows->AppendL(listBoxtxt);
+ }
+
+ iListBox->SetCurrentItemIndex(0);
+ iListBox->HandleItemAdditionL();
+ }
+
+
+// -----------------------------------------------------------------------------
+// CFeedsTopicContainer::Clear
+//
+// Clears the navigation pane.
+// -----------------------------------------------------------------------------
+//
+void CFeedsTopicContainer::ClearNavigationPane()
+ {
+ delete iNaviDecorator;
+ iNaviDecorator = NULL;
+ }
+
+
+// -----------------------------------------------------------------------------
+// CFeedsTopicContainer::UpdateNavigationPaneL
+//
+// Handles the changes needed to the Navigation Pane.
+// -----------------------------------------------------------------------------
+//
+void CFeedsTopicContainer::UpdateNavigationPaneL()
+ {
+ CAknNavigationControlContainer* naviPane = NULL;
+
+ if (!iFeed)
+ {
+ return;
+ }
+
+ // Convert the feed's timestamp into a localized string.
+ TBuf<KDateSize + KTimeSize + 1> timestamp;
+ TBuf<KTimeSize> temp;
+ TTime date;
+ iFeed->GetTimeValue(EFeedAttributeTimestamp,date);
+
+ // Translate from UTC to local time.
+ TTime local;
+ TTime utc;
+ TTimeIntervalSeconds delta;
+
+ local.HomeTime();
+ utc.UniversalTime();
+ utc.SecondsFrom(local, delta);
+ date -= delta;
+
+ //Set time
+ HBufC* timeFormat = iEikonEnv->AllocReadResourceLC( R_QTN_TIME_USUAL_WITH_ZERO );
+ date.FormatL( timestamp, *timeFormat );
+ CleanupStack::PopAndDestroy( timeFormat );//timeFormat
+ //
+ timestamp.Append(_L(" "));
+ //Set date
+ HBufC* dateFormat = iEikonEnv->AllocReadResourceLC( R_QTN_DATE_USUAL_WITH_ZERO );
+ date.FormatL( temp, *dateFormat );
+ CleanupStack::PopAndDestroy( dateFormat );//dateFormat
+ //
+ timestamp.Append(temp);
+ AknTextUtils::LanguageSpecificNumberConversion(timestamp);
+
+ // Get the navigation sub-pane.
+ CAknViewAppUi* appUi;
+ TUid uid;
+
+ // Get the title sub-pane.
+ appUi = static_cast<CAknViewAppUi*>(CCoeEnv::Static()->AppUi());
+
+ uid.iUid = EEikStatusPaneUidNavi;
+
+ CEikStatusPaneBase::TPaneCapabilities subPane = appUi->StatusPane()->
+ PaneCapabilities(uid);
+
+ // Set the title if the pane belongs to the app.
+ if (subPane.IsPresent() && subPane.IsAppOwned())
+ {
+ naviPane = (CAknNavigationControlContainer*) appUi->StatusPane()->ControlL(uid);
+ }
+ else
+ {
+ User::Leave(KErrNotSupported);
+ }
+
+ // Ensure the NaviDecorator was created.
+ if (!iNaviDecorator)
+ {
+ iNaviDecorator = naviPane->CreateNavigationLabelL( timestamp );
+ }
+ else
+ {
+ CAknNaviLabel* naviLabel = static_cast<CAknNaviLabel*>(iNaviDecorator->DecoratedControl());
+ if(naviLabel)
+ {
+ naviLabel->SetTextL(timestamp);
+ }
+ }
+
+
+ // If not yet pushed, this will do the push; if already there, this brings
+ // it to top and draws.
+ naviPane->PushL(*iNaviDecorator);
+ }
+
+
+
+