landmarksui/msgviewer/src/CLmkMsgViewerAppUi.cpp
branchRCL_3
changeset 18 870918037e16
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/landmarksui/msgviewer/src/CLmkMsgViewerAppUi.cpp	Wed Sep 01 12:31:27 2010 +0100
@@ -0,0 +1,503 @@
+/*
+* Copyright (c) 2002 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:    LandmarksUi Content File -    Provides LM UI class methods.
+*
+*/
+
+
+
+
+
+
+
+// INCLUDE FILES
+#include "CLmkMsgViewerAppUi.h"
+#include "CLmkMsgViewerAppView.h"
+#include "landmarks.hrh"
+#include "CLmkMsgViewerDocument.h"
+#include "CLmkParser.h"
+#include "CLmkSender.h"
+#include "CLmkPackageEditorImpl.h"
+#include "CLmkDlgPackageSelectorImpl.h"
+#include "LmkConsts.h"
+#include "CLmkEditorDlg.h"
+#include <AknsUtils.h>
+#include <AknWaitDialog.h>
+#include <EPos_CPosLandmarkDatabase.h>
+#include <lmkmsgviewer.rsg>
+#include <aknnotewrappers.h>
+#include <StringLoader.h>
+#include "LmkNotes.h"
+#include <lmkerrors.h>
+
+#if defined(_DEBUG)
+// CONSTANTS
+/// Unnamed namespace for local definitions
+namespace {
+
+_LIT( KPanicMsg, "CLmkMsgViewerAppUi");
+
+void Panic( TPanicCode aReason )
+    {
+    User::Panic( KPanicMsg, aReason );
+    }
+}  // namespace
+#endif
+
+// Constant for periodic timer
+const TInt KOneMicroSec = 1;
+
+// ================= LOCAL FUNCTIONS =======================
+
+//-----------------------------------------------------------------------
+// ErrorNoteL
+// ----------------------------------------------------------------------------
+//
+void ErrorNoteL(const TInt aResourceId)
+    {
+    HBufC* noteText = CEikonEnv::Static()->AllocReadResourceLC(aResourceId);
+
+    CAknErrorNote* dialog =
+        new( ELeave ) CAknErrorNote( R_AKN_INFORMATION_NOTE_WAIT );
+    dialog->ExecuteLD( *noteText );
+
+    CleanupStack::PopAndDestroy(noteText); //noteText
+    }
+
+// ================= MEMBER FUNCTIONS =======================
+
+// ----------------------------------------------------------
+// CLmkMsgViewerAppUi::ConstructL
+// ----------------------------------------------------------
+//
+void CLmkMsgViewerAppUi::ConstructL()
+    {
+
+    BaseConstructL( EAknEnableSkin | EAknEnableMSK | EAknSingleClickCompatible);
+
+    iAppView = CLmkMsgViewerAppView::NewL( ClientRect() );
+
+    // Start an idle timer to start the dialog synchronously.
+    iIdleTimer = CPeriodic::NewL(CActive::EPriorityIdle);
+    iIdleTimer->Start(KOneMicroSec, KOneMicroSec,
+        TCallBack(CallBackFuncL,this));
+    }
+
+// ----------------------------------------------------
+// CLmkMsgViewerAppUi::~CLmkMsgViewerAppUi
+// Destructor
+// Frees reserved resources
+// ----------------------------------------------------
+//
+CLmkMsgViewerAppUi::~CLmkMsgViewerAppUi()
+    {
+    if ( iIdleTimer )
+        {
+        delete iIdleTimer;
+        iIdleTimer = NULL;
+        }
+
+    TInt err = KErrNone;
+    TRAP(err, CloseWaitNoteL());
+
+    delete iAppView;
+    delete iLmkSender;
+    delete iParser;
+    delete iDb;
+
+    if( iDoorObserver )
+        {
+        iDoorObserver->NotifyExit( MApaEmbeddedDocObserver::EEmpty );
+        }
+    }
+
+// ----------------------------------------------------
+// CLmkMsgViewerAppUi::HandleCommandL
+// ----------------------------------------------------
+//
+void CLmkMsgViewerAppUi::HandleCommandL( TInt aCommand )
+    {
+    switch ( aCommand )
+        {
+        // these all are same: save & exit
+        case EAknSoftkeyBack:
+        case EAknSoftkeyExit:
+        case EAknCmdExit:
+        case EEikCmdExit:
+            {
+            Exit();
+            break;
+            }
+        default:
+            {
+            break;
+            }
+        }
+    }
+
+// ----------------------------------------------------
+// CLmkMsgViewerAppUi::LmkSender
+// ----------------------------------------------------
+//
+CLmkSender& CLmkMsgViewerAppUi::LmkSender() const
+    {
+    __ASSERT_DEBUG( iLmkSender, Panic( KLmkPanicNullMember ) );
+    return *iLmkSender;
+    }
+
+
+// ----------------------------------------------------------------------------
+// CLmkMsgViewerAppUi::OpenFileL
+// This is called by framework when application is already open in background
+// and user opens other file
+// New file to been shown is passed via aFileName.
+// ----------------------------------------------------------------------------
+//
+void CLmkMsgViewerAppUi::OpenFileL( const TDesC& aFileName )
+	{
+	// File changed.
+
+    // TODO: What to do with the possibly existing package?
+    // Should we just leave or do something else?
+    if ( iParser )
+        {
+        User::Leave( KErrAlreadyExists );
+        }
+    else
+        {
+        Document()->OpenFileL( EFalse, aFileName, iEikonEnv->FsSession() );
+        }
+	}
+
+
+// ----------------------------------------------------------------------------
+// CLmkMsgViewerAppUi::OpenFileL
+// This is called by framework when application is already open in background
+// and user opens other file
+// New file to been shown is passed via aFileName.
+// ----------------------------------------------------------------------------
+//
+void CLmkMsgViewerAppUi::OpenFileL(RFile& aFileHandle )
+	{
+	// File changed.
+    if ( iParser )
+        {
+        User::Leave( KErrAlreadyExists );
+        }
+    else
+        {
+        CFileStore* aFileStore = NULL;
+        static_cast<CLmkMsgViewerDocument*>(Document())->OpenFileL(aFileStore, aFileHandle);
+        }
+	}
+
+// ----------------------------------------------------------------------------
+// CLmkMsgViewerAppUi::ProcessCommandParametersL
+// This method must return true or documents OpenFileL() get wrong file name.
+// ----------------------------------------------------------------------------
+//
+TBool CLmkMsgViewerAppUi::ProcessCommandParametersL(
+    TApaCommand /*aCommand*/,
+	TFileName& /*aDocumentName*/,
+	const TDesC8& /*aTail*/ )
+    {
+    // Never call CEikAppUi::ProcessCommandParametersL(..) because
+    // it is so harmful to overwrite and destroy aDocumentName.
+
+	// Return ETrue so that CLmkMsgViewerAppUi::OpenFileL() gets
+    // the right document name.
+    return ETrue;
+    }
+
+
+// ----------------------------------------------------
+// CLmkMsgViewerAppUi::HandleOperationL
+// ----------------------------------------------------
+//
+void CLmkMsgViewerAppUi::HandleOperationL(
+    TOperationTypes aType,
+    TReal32 /*aProgress*/,
+    TInt aStatus )
+    {
+    __ASSERT_DEBUG( ( aType == EInitialize ||
+                      aType == EParse ) &&
+                    aStatus != KPosLmOperationNotComplete,
+                    Panic( KLmkPanicAlreadyActive ) );
+
+    TInt err = KErrNone;
+    if (aType == EInitialize)
+        {
+        TRAP(err, HandleDbInitFinishedL(aStatus));
+        }
+    else // (aType == EParse)
+        {
+        TRAP(err, HandleParseFinishedL(aStatus));
+        }
+
+    if (err)
+        {
+        CloseWaitNoteL(); // when wait note closes, application exits
+        }
+    }
+
+// ----------------------------------------------------
+// CLmkMsgViewerAppUi::HandleDbInitFinishedL
+// ----------------------------------------------------
+//
+void CLmkMsgViewerAppUi::HandleDbInitFinishedL( TInt aStatus )
+    {
+    if (aStatus != KErrNone)
+        {
+        CCoeEnv::Static()->HandleError(aStatus);
+        User::Leave(aStatus);
+        }
+    iParser->StartParsingL();
+    }
+
+// ----------------------------------------------------
+// CLmkMsgViewerAppUi::HandleParseFinishedL
+// ----------------------------------------------------
+//
+void CLmkMsgViewerAppUi::HandleParseFinishedL( TInt aStatus )
+    {
+    if (aStatus != KErrNone)
+        {
+        ErrorNoteL(R_LMK_BADPACKAGE_ERROR);
+        User::Leave(aStatus);
+        }
+    // now everything's ready for viewing
+    iDataReadyForView = ETrue;
+    CloseWaitNoteL(); // when wait note closes, view dialog opens
+    }
+
+void CLmkMsgViewerAppUi::CloseWaitNoteL()
+    {
+    if (iWaitDialog)
+        {
+        iWaitDialog->ProcessFinishedL();
+        iWaitDialog = NULL;
+        }
+    }
+
+// ----------------------------------------------------
+// CLmkMsgViewerAppUi::ExecuteLmViewerL
+// ----------------------------------------------------
+//
+void CLmkMsgViewerAppUi::ExecuteLmViewerL()
+    {
+    __ASSERT_DEBUG( iParser->NumOfParsedLandmarks() == 1,
+                    Panic( KLmkPanicOutOfRange ) );
+
+    CLmkPackageEditorImpl* editorImpl =
+        CLmkPackageEditorImpl::NewL( *iDb, *iParser, *iLmkSender, 0 );
+
+    // Parser observing responsibility is given to the lm viewer,
+    // application is not interested in it anymore:
+    iParser->ChangeObserver( *editorImpl );
+    editorImpl->ExecuteLD();
+    }
+
+// ----------------------------------------------------
+// CLmkMsgViewerAppUi::ExecutePkgViewerL
+// ----------------------------------------------------
+//
+void CLmkMsgViewerAppUi::ExecutePkgViewerL()
+    {
+    __ASSERT_DEBUG( iParser->NumOfParsedLandmarks() > 1,
+                    Panic( KLmkPanicOutOfRange ) );
+
+    CLmkDlgPackageSelectorImpl* pkgViewer =
+        CLmkDlgPackageSelectorImpl::NewL( *iDb, *iParser, *iLmkSender );
+    CleanupStack::PushL( pkgViewer );
+
+    // Parser observing responsibility is given to the package viewer,
+    // application is not interested in it anymore:
+    iParser->ChangeObserver( *pkgViewer );
+
+    CArrayFix<TInt>* selectedItems =
+        new( ELeave ) CArrayFixFlat<TInt>( KLmkMultiSelectionGranularity );
+    CleanupStack::PushL( selectedItems );
+
+    pkgViewer->ExecuteL( *selectedItems,  iParser->PackageName());
+    CleanupStack::PopAndDestroy( selectedItems );
+    CleanupStack::PopAndDestroy( pkgViewer );
+    }
+
+// ----------------------------------------------------
+// CLmkMsgViewerAppUi::OpenL
+// ----------------------------------------------------
+//
+void CLmkMsgViewerAppUi::OpenL( const TDesC& aFilename )
+    {
+    iParser = CLmkParser::NewL( aFilename, *iDb, *this, EFalse );
+    DoOpenL();
+    Exit();
+    }
+
+// ----------------------------------------------------
+// CLmkMsgViewerAppUi::OpenL
+// ----------------------------------------------------
+//
+void CLmkMsgViewerAppUi::OpenL(RFile& aFile)
+    {
+    iParser = CLmkParser::NewL( aFile, *iDb, *this, EFalse );
+    DoOpenL();
+    Exit();
+    }
+
+void CLmkMsgViewerAppUi::DoOpenL()
+    {
+    // We need to initialize db before we start parsing:
+    iParser->InitializeDbL();
+
+    iWaitDialog = new( ELeave ) CAknWaitDialog( NULL, ETrue );
+    if (!iWaitDialog->ExecuteLD( R_LMK_MSGVIEWER_WAIT ))
+        {
+        //making iWaitDialog null, since framework destroys waitnote
+        //dialog on pressing cancel.
+
+        iWaitDialog = NULL;
+        }
+
+    if( iDataReadyForView )
+        {
+        if ( iParser->NumOfParsedLandmarks() == 1 )
+            {
+            ExecuteLmViewerL();
+            }
+        else if ( iParser->NumOfParsedLandmarks() > 1 )
+            {
+            ExecutePkgViewerL();
+            }
+        else
+            {
+            // exit
+            }
+        }
+    }
+
+// -----------------------------------------------------------------------------
+// CLmkMsgViewerAppUi::CallBackFuncL()
+// Used to callback by the idle timer in order to launch
+// the dialog
+// -----------------------------------------------------------------------------
+//
+TInt CLmkMsgViewerAppUi::CallBackFuncL(TAny *aPtr)
+    {
+    CLmkMsgViewerAppUi* appUi =
+        static_cast< CLmkMsgViewerAppUi* >( aPtr );
+
+    if ( appUi )
+        {
+        return ( appUi->LaunchDialogL() );
+        }
+    else
+        {
+        // To indicate that the timer is not
+        // called again, return false to the timer
+        // RunL
+        return ( EFalse );
+        }
+    }
+
+
+// -----------------------------------------------------------------------------
+// CLmkMsgViewerAppUi::LaunchDialogL()
+// This function accesses the document and launches the
+// content.
+// -----------------------------------------------------------------------------
+//
+TBool CLmkMsgViewerAppUi::LaunchDialogL()
+	{
+	if(!iIsDbOpen)
+		{
+		// Try to open DB
+		TRAPD( err, iDb = CPosLandmarkDatabase::OpenL() );
+
+    	if( KErrNone != err )
+    		{
+    		// Cancel the periodic timer
+        	if ( iIdleTimer->IsActive() )
+            	{
+            	iIdleTimer->Cancel();
+            	}
+            // Display general system error note
+		    HBufC* noteText = StringLoader::LoadL( R_LMK_ERR_EIKON_GENERAL, iEikonEnv );
+		    CleanupStack::PushL( noteText );
+	    	CAknErrorNote* dialog = new(ELeave)CAknErrorNote( ETrue );
+		    dialog->SetTone( CAknNoteDialog::EErrorTone );
+		    dialog->ExecuteLD( *noteText );
+	   		CleanupStack::PopAndDestroy( noteText ); //noteText
+	   		// exit LmkMsgViewer app
+		    Exit();
+		    }
+    	    // DB was opened successfully
+    	    iIsDbOpen = ETrue;
+    		iLmkSender = CLmkSender::NewL( *iDb );
+    	}
+	CLmkMsgViewerDocument* document =
+	    static_cast<CLmkMsgViewerDocument*>(iDocument);
+
+	// Check if file-handle in document is valid
+	if (document->IsFileHandleValid())
+		{
+		// Obtain the file-handle
+		RFile& fileHandle = document->GetLandmarkContentFileHandle();
+
+        // Cancel the periodic timer
+        if ( iIdleTimer->IsActive() )
+            {
+            iIdleTimer->Cancel();
+            }
+		// Launch the content
+		TRAPD(err,OpenL(fileHandle));
+		if(err != KErrNone)
+			{
+			if( err == KErrNotSupported)
+				{
+				LmkNotes::InformationNoteL( iEikonEnv, R_LMK_BADPACKAGE_ERROR );
+				}
+			Exit();
+			}
+		// Delete and reset the idle-timer
+        delete iIdleTimer;
+        iIdleTimer = NULL;
+
+		// Return False to indicate that
+		// timer need not callback further.
+		return EFalse;
+		}
+	else
+		{
+		// Return True to indicate that the
+		// timer needs to callback this function
+		// again, as the file-handle is not valid
+		// yet.
+		return ETrue;
+		}
+	}
+
+// -----------------------------------------------------------------------------
+// CLmkMsgViewerAppUi::HandleResourceChangeL()
+// -----------------------------------------------------------------------------
+//
+void CLmkMsgViewerAppUi::HandleResourceChangeL(TInt aType)
+    {
+     CAknAppUi::HandleResourceChangeL( aType );
+    if ( aType == KEikDynamicLayoutVariantSwitch )
+        {
+        iAppView->SetRect(ClientRect());
+        }
+    }
+// End of File