plugins/consoles/common/consoleextensions.cpp
changeset 30 35cb3fe43f60
child 83 706c7a69e448
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/plugins/consoles/common/consoleextensions.cpp	Thu Aug 12 16:38:42 2010 +0100
@@ -0,0 +1,121 @@
+// consoleextensions.cpp
+// 
+// Copyright (c) 2010 Accenture. All rights reserved.
+// This component and the accompanying materials are made available
+// under the terms of the "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:
+// Accenture - Initial contribution
+//
+
+#include <fshell/consoleextensions.h>
+#include <e32debug.h>
+#include <e32cons.h>
+
+class TOverflowTruncate : public TDes16Overflow
+	{
+public:
+	virtual void Overflow(TDes16&) {}
+	};
+_LIT(KNewLine, "\r\n");
+
+
+EXPORT_C void MIosrvConsoleHelper::Message(TVerbosity aVerbosity, TRefByValue<const TDesC> aFmt, ...)
+	{
+	if (Debug() || (aVerbosity == EInformation) || (aVerbosity == EError))
+		{
+		TOverflowTruncate overflow;
+		VA_LIST list;
+		VA_START(list, aFmt);
+		TBuf<0x100> buf;
+		buf.AppendFormatList(aFmt, list, &overflow);
+		
+		if (iUnderlyingConsole)
+			{
+			iUnderlyingConsole->Write(buf);
+			iUnderlyingConsole->Write(KNewLine);
+			}
+		else
+			{
+			// Cover all the bases as best we can
+			User::InfoPrint(buf);
+			RDebug::Print(buf);
+			}
+		}
+	}
+
+EXPORT_C TBool MIosrvConsoleHelper::Debug() const
+	{
+	return iDebug;
+	}
+
+EXPORT_C void MIosrvConsoleHelper::SetDebug(TBool aDebug)
+	{
+	iDebug = aDebug;
+	}
+
+EXPORT_C TInt MIosrvConsoleHelper::WriteStdErr(const TDesC& /*aDes*/)
+	{
+	return KErrExtensionNotSupported;
+	}
+
+EXPORT_C TInt MIosrvConsoleHelper::MIosrvConsoleHelper_Extension(TUint aExtensionId, TAny*& /*a0*/, TAny* a1)
+	{
+	if (aExtensionId == UnderlyingConsole::KSetUnderlyingConsoleExtension)
+		{
+		iUnderlyingConsole = (CConsoleBase*)a1;
+		return KErrNone;
+		}
+	else if (aExtensionId == ConsoleStdErr::KWriteStdErrConsoleExtension)
+		{
+		const TDesC* des = (const TDesC*)a1;
+		return WriteStdErr(*des);
+		}
+	else
+		{
+		return KErrExtensionNotSupported;
+		}
+	}
+
+EXPORT_C void MIosrvConsoleHelper::HandleConsoleCreationError(const TDesC& aConsoleName, TInt aError)
+	{
+	if (aError)
+		{
+		TBuf<512> message;
+		message.Format(_L("Failed to create console %S (%d)."), &aConsoleName, aError);
+			
+		if (iUnderlyingConsole && (LazyConsole::IsConstructed(iUnderlyingConsole) || !LazyConsole::IsLazy(iUnderlyingConsole)))
+		// if we have an underlyconsole, which is either not lazy or is lazy but already constructed, then print the error to it.
+			{
+			iUnderlyingConsole->Write(message);
+			iUnderlyingConsole->Write(KNewLine);
+			}
+		else
+		// else display a dialog
+			{
+			RNotifier notifier;
+			if (notifier.Connect() == KErrNone)
+				{
+				TInt buttonVal;
+				TRequestStatus notifierStatus;
+				notifier.Notify(aConsoleName, message, _L("OK"), KNullDesC, buttonVal, notifierStatus);
+				User::WaitForRequest(notifierStatus);
+				notifier.Close();
+				}
+			}
+		}
+	Message(EDebug, _L("%S console create completed with err=%d"), &aConsoleName, aError);
+	}
+
+EXPORT_C void MIosrvConsoleHelper::CleanupUnderlyingConsole()
+	{
+	delete iUnderlyingConsole; // In case of leave during construction, this might still be non-null
+	iUnderlyingConsole = NULL;
+	}
+
+EXPORT_C CConsoleBase* MIosrvConsoleHelper::UnderlyingConsole() const
+	{
+	return iUnderlyingConsole;
+	}