--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/phonebookui/Phonebook2/Application/src/CPbk2ViewExplorer.cpp	Tue Feb 02 10:12:17 2010 +0200
@@ -0,0 +1,267 @@
+/*
+* Copyright (c) 2005-2007 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:  Phonebook 2 view explorer.
+*
+*/
+
+
+// INCLUDE FILES
+#include "CPbk2ViewExplorer.h"
+
+// Phonebook 2
+#include "CPbk2ViewActivationTransaction.h"
+#include "CPbk2ViewState.h"
+#include "CPbk2AppViewFactory.h"
+#include "CPbk2AppUi.h"
+#include "CPbk2Document.h"
+#include <Phonebook2.rsg>
+#include <CPbk2ViewGraph.h>
+#include <CPbk2AppViewBase.h>
+#include <CPbk2IconInfoContainer.h>
+#include <CPbk2IconFactory.h>
+#include <CPbk2UIExtensionManager.h>
+#include <Pbk2UID.h>
+#include <TPbk2IconId.h>
+
+// System includes
+#include <barsread.h>
+#include <aknnavide.h>
+#include <eikapp.h>
+#include <aknview.h>
+
+// Debugging headers
+#include <Pbk2Debug.h>
+#include <Pbk2Profile.h>
+
+
+/// Unnamed namespace for local definitions
+namespace {
+
+#ifdef _DEBUG
+
+enum TPanicCode
+    {
+    EPanicPreCond_ConstructL = 1,
+    EPanicPostCond_ConstructL,
+    };
+
+void Panic(TPanicCode aReason)
+    {
+    _LIT( KPanicText, "CPbk2ViewExplorer" );
+    User::Panic( KPanicText, aReason );
+    }
+
+#endif // _DEBUG
+
+} /// namespace
+
+
+// --------------------------------------------------------------------------
+// CPbk2ViewExplorer::CPbk2ViewExplorer
+// --------------------------------------------------------------------------
+//
+CPbk2ViewExplorer::CPbk2ViewExplorer( CPbk2AppUi& aAppUi ) :
+        iAppUi( aAppUi )
+    {
+    }
+
+// --------------------------------------------------------------------------
+// CPbk2ViewExplorer::~CPbk2ViewExplorer
+// --------------------------------------------------------------------------
+//
+CPbk2ViewExplorer::~CPbk2ViewExplorer()
+    {
+    delete iViewGraph;
+    }
+
+// --------------------------------------------------------------------------
+// CPbk2ViewExplorer::NewL
+// --------------------------------------------------------------------------
+//
+CPbk2ViewExplorer* CPbk2ViewExplorer::NewL( CPbk2AppUi& aAppUi )
+    {
+    CPbk2ViewExplorer* self =
+        new ( ELeave ) CPbk2ViewExplorer( aAppUi );
+    CleanupStack::PushL( self );
+    self->ConstructL();
+    CleanupStack::Pop( self );
+    return self;
+    }
+
+// --------------------------------------------------------------------------
+// CPbk2ViewExplorer::ConstructL
+// --------------------------------------------------------------------------
+//
+void CPbk2ViewExplorer::ConstructL()
+    {
+    PBK2_DEBUG_PRINT(PBK2_DEBUG_STRING
+        ("CPbk2ViewExplorer::ConstructL(0x%x)"), this);
+
+    __ASSERT_DEBUG( !iViewGraph, Panic( EPanicPreCond_ConstructL ) );
+
+    // Create UI elements
+    PBK2_PROFILE_START(Pbk2Profile::EViewExplorerConstructionReadViewGraph);
+    // Read view graph from resources and apply
+    // UI extension view graph changes
+    ReadViewGraphL();
+    PBK2_PROFILE_END(Pbk2Profile::EViewExplorerConstructionReadViewGraph);
+
+    __ASSERT_DEBUG( iViewGraph , Panic( EPanicPostCond_ConstructL ) );
+
+    PBK2_DEBUG_PRINT(PBK2_DEBUG_STRING
+        ("CPbk2ViewExplorer::ConstructL end"));
+    }
+
+// --------------------------------------------------------------------------
+// CPbk2ViewExplorer::CreateViewsL
+// --------------------------------------------------------------------------
+//
+void CPbk2ViewExplorer::CreateViewsL()
+    {
+    PBK2_PROFILE_START(Pbk2Profile::EViewExplorerCreateAppViewFactory);
+    CPbk2AppViewFactory* factory = CPbk2AppViewFactory::NewLC( iAppUi );
+    PBK2_PROFILE_END(Pbk2Profile::EViewExplorerCreateAppViewFactory);
+
+    // Create and add application views
+    for (TInt i = 0; i < iViewGraph->Count(); ++i)
+        {
+        const CPbk2ViewNode& viewNode = (*iViewGraph)[i];
+        if (!viewNode.ExitNode())
+            {
+            PBK2_PROFILE_START(Pbk2Profile::EViewExplorerCreateAppView);
+            CAknView* view = factory->CreateAppViewLC( viewNode.ViewId() );
+            PBK2_PROFILE_END(Pbk2Profile::EViewExplorerCreateAppView);
+
+            PBK2_PROFILE_START(Pbk2Profile::EViewExplorerAddView);
+            iAppUi.AddViewL( view );
+            PBK2_PROFILE_END(Pbk2Profile::EViewExplorerAddView);
+            CleanupStack::Pop( view );
+            }
+        }
+    CleanupStack::PopAndDestroy( factory );
+    }
+
+// --------------------------------------------------------------------------
+// CPbk2ViewExplorer::IsPhonebook2View
+// --------------------------------------------------------------------------
+//
+TBool CPbk2ViewExplorer::IsPhonebook2View
+        ( const TVwsViewId& aViewId ) const
+    {
+    TBool ret = EFalse;
+
+    if ( aViewId.iAppUid == iAppUi.Application()->AppDllUid() )
+        {
+        const CPbk2ViewNode* viewNode = iViewGraph->FindNodeWithViewId
+            ( aViewId.iViewUid );
+        ret = viewNode && !viewNode->ExitNode();
+        }
+
+    return ret;
+    }
+
+// --------------------------------------------------------------------------
+// CPbk2ViewExplorer::ActivatePhonebook2ViewL
+// --------------------------------------------------------------------------
+//
+void CPbk2ViewExplorer::ActivatePhonebook2ViewL
+        (TUid aViewId, const CPbk2ViewState* aViewState ) const
+    {
+    if ( aViewState )
+        {
+        HBufC8* stateBuf = aViewState->PackLC();
+        iAppUi.ActivateLocalViewL
+            ( aViewId, CPbk2ViewState::Uid(), *stateBuf );
+        CleanupStack::PopAndDestroy();  // stateBuf
+        }
+    else
+        {
+        iAppUi.ActivateLocalViewL( aViewId );
+        }
+    }
+
+// --------------------------------------------------------------------------
+// CPbk2ViewExplorer::ActivatePreviousViewL
+// --------------------------------------------------------------------------
+//
+void CPbk2ViewExplorer::ActivatePreviousViewL
+        ( const CPbk2ViewState* aViewState )
+    {
+    // Find current view in the graph
+    CPbk2ViewNode* viewNode =
+        iViewGraph->FindNodeWithViewId( iAppUi.ActiveView()->Id() );
+
+    if ( viewNode )
+        {
+        // Get previous node
+        CPbk2ViewNode* prevNode = viewNode->PreviousNode();
+        if ( !prevNode )
+            {
+            prevNode = viewNode->DefaultPreviousNode();
+            }
+        if ( prevNode )
+            {
+            if ( prevNode->ExitNode() )
+                {
+                iAppUi.ExitL();
+                }
+            else
+                {
+                ActivatePhonebook2ViewL( prevNode->ViewId(), aViewState );
+                }
+            }
+        }
+    }
+
+// --------------------------------------------------------------------------
+// CPbk2ViewExplorer::HandleViewActivationLC
+// --------------------------------------------------------------------------
+//
+MPbk2ViewActivationTransaction* CPbk2ViewExplorer::HandleViewActivationLC
+        ( const TUid& aViewId, const TVwsViewId& aPrevViewId,
+          const TDesC* aTitlePaneText, const CEikImage* aContextPanePicture,
+          TUint aFlags )
+    {
+    // Create and return an instance of view activation transaction
+    return CPbk2ViewActivationTransaction::NewLC
+            ( iAppUi, *this, aViewId, aPrevViewId, aTitlePaneText,
+              aContextPanePicture, aFlags );
+    }
+
+// --------------------------------------------------------------------------
+// CPbk2ViewExplorer::ViewGraph
+// --------------------------------------------------------------------------
+//
+CPbk2ViewGraph& CPbk2ViewExplorer::ViewGraph() const
+    {
+    return *iViewGraph;
+    }
+
+// --------------------------------------------------------------------------
+// CPbk2ViewExplorer::ReadViewGraphL
+// Loads view navigation graph from resources.
+// --------------------------------------------------------------------------
+//
+void CPbk2ViewExplorer::ReadViewGraphL()
+    {
+    TResourceReader reader;
+    CCoeEnv::Static()->CreateResourceReaderLC( reader, R_PBK2_VIEWNODES );
+    iViewGraph = CPbk2ViewGraph::NewL( reader );
+    CleanupStack::PopAndDestroy(); // reader
+
+    iAppUi.PhonebookDocument()->ExtensionManager().
+            ApplyExtensionViewGraphChangesL( *iViewGraph );
+    }
+
+// End of File