photosgallery/viewframework/commandhandlers/commoncommandhandlers/src/glxcommandhandlerhelp.cpp
changeset 0 4e91876724a2
child 15 191387a8b767
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/photosgallery/viewframework/commandhandlers/commoncommandhandlers/src/glxcommandhandlerhelp.cpp	Thu Dec 17 08:45:44 2009 +0200
@@ -0,0 +1,194 @@
+/*
+* Copyright (c) 2008-2009 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:    Launch help application with appropriate help context
+*
+*/
+
+
+
+
+
+/**
+ * @internal reviewed 03/07/2007 by David Holland
+ */
+
+
+
+#include "glxcommandhandlerhelp.h"
+#include <glxcommandhandlers.hrh>
+
+#include <glxgallery.hrh>
+
+#include <avkon.hrh>
+#include <coemain.h>
+
+// ---------------------------------------------------------------------------
+// Constructor.
+// ---------------------------------------------------------------------------
+//
+EXPORT_C TGlxHelpContext::TGlxHelpContext()
+    {
+    iMajor = TUid::Uid( KGlxGalleryApplicationUid );
+    iBrowseContext = KNullDesC;
+    iViewContext = KNullDesC;
+    }
+
+// ---------------------------------------------------------------------------
+// Two-phased constructor.
+// ---------------------------------------------------------------------------
+//
+EXPORT_C CGlxCommandHandlerHelp* 
+                CGlxCommandHandlerHelp::NewL(TGlxHelpContext aHelpContext)
+    {
+    CGlxCommandHandlerHelp* self = new ( ELeave )
+        CGlxCommandHandlerHelp(aHelpContext);
+
+    return self;
+    }
+
+// ---------------------------------------------------------------------------
+// C++ default constructor can NOT contain any code, that
+// might leave.
+// ---------------------------------------------------------------------------
+//
+CGlxCommandHandlerHelp::CGlxCommandHandlerHelp(TGlxHelpContext aHelpContext)
+:CGlxCommandHandler(), iHelpContext(aHelpContext)
+    {
+    // Do nothing
+    }
+
+
+// ---------------------------------------------------------------------------
+// Destructor
+// ---------------------------------------------------------------------------
+//
+EXPORT_C CGlxCommandHandlerHelp::~CGlxCommandHandlerHelp()
+    {       
+    // No implementation 
+    }
+
+// ---------------------------------------------------------------------------
+// DoActivateL
+// ---------------------------------------------------------------------------
+//    
+void CGlxCommandHandlerHelp::DoActivateL(TInt /*aViewId*/)
+    {
+    // No implementation
+    }
+
+// ---------------------------------------------------------------------------
+// Deactivate
+// ---------------------------------------------------------------------------
+//  
+void CGlxCommandHandlerHelp::Deactivate()
+    {
+    // No implementation
+    }
+
+// -----------------------------------------------------------------------------
+// DoExecute - the relevant action for the command id
+// -----------------------------------------------------------------------------
+//
+TBool CGlxCommandHandlerHelp::ExecuteL(TInt aCommandId)
+    {
+    TBool handledCommand = ETrue;
+    
+    switch (aCommandId)
+        {
+        case EAknCmdHelp:
+            {
+            LaunchHelpL();
+            break;
+            }
+        case EGlxCmdStateView:
+            iInFullScreen = ETrue;
+            handledCommand = EFalse;
+            break;
+
+        case EGlxCmdStateBrowse:
+            iInFullScreen = EFalse;
+            handledCommand = EFalse;
+            break;     
+        default:
+            {
+            handledCommand = EFalse;
+            break;
+            }
+        }
+        
+    return handledCommand;
+    }
+    
+// ---------------------------------------------------------------------------
+// DynInitMenuPaneL
+// ---------------------------------------------------------------------------
+//
+void CGlxCommandHandlerHelp::DynInitMenuPaneL(TInt /*aResourceId*/, 
+                                                CEikMenuPane* /*aMenuPane*/)
+    {
+    // No implementation
+    }    
+    
+// ---------------------------------------------------------------------------
+// OfferKeyEventL
+// ---------------------------------------------------------------------------
+//
+TKeyResponse CGlxCommandHandlerHelp::
+        OfferKeyEventL(const TKeyEvent& /*aKeyEvent*/, TEventCode /*aType*/)
+    {
+    return EKeyWasNotConsumed;
+    }    
+ 
+// ---------------------------------------------------------------------------
+// PreDynInitMenuPaneL
+// ---------------------------------------------------------------------------
+//
+void CGlxCommandHandlerHelp::PreDynInitMenuPaneL( TInt /*aResourceId*/ )
+    {
+    // No implementation
+    }
+
+// -----------------------------------------------------------------------------
+// LaunchHelpL
+// -----------------------------------------------------------------------------
+//    
+void CGlxCommandHandlerHelp::LaunchHelpL()
+    {
+    TCoeHelpContext helpContext;
+    
+    helpContext.iMajor = iHelpContext.iMajor;
+    
+    if(iInFullScreen)
+        {
+        helpContext.iContext = iHelpContext.iViewContext;
+        }
+    else
+        {
+        helpContext.iContext = iHelpContext.iBrowseContext;
+        }
+    
+    
+    // Create the context array and append the single context item
+    CArrayFix<TCoeHelpContext>* contextArray = 
+        new ( ELeave ) CArrayFixFlat<TCoeHelpContext> ( 1 );
+
+    CleanupStack::PushL( contextArray );
+    contextArray->AppendL( helpContext );
+    CleanupStack::Pop( contextArray );
+
+    //Launch help - takes ownership of context array
+    RWsSession& wsSession = CCoeEnv::Static()->WsSession();
+    HlpLauncher::LaunchHelpApplicationL( wsSession,
+                                         contextArray );
+    }