usbuis/usbuinotif/inc/usbuinqueriesnotifiermdrv.h
changeset 0 1e05558e2206
child 3 47c263f7e521
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/usbuis/usbuinotif/inc/usbuinqueriesnotifiermdrv.h	Thu Dec 17 09:14:30 2009 +0200
@@ -0,0 +1,132 @@
+/*
+ * Copyright (c) 2005-2009 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:  Declares USB UI Queries notifier.
+ *
+ */
+
+#ifndef USBUINQUERIESNOTIFIER_H
+#define USBUINQUERIESNOTIFIER_H
+
+// INCLUDES
+
+#include "usbnotifier.h"      // Base class
+#include <aknquerydialog.h>   // AVKON component
+// CLASS DECLARATION
+
+/**
+ *  This class is used to show USB query dialogs.
+ *
+ *  @lib 
+ *  @since S60 3.0
+ */
+NONSHARABLE_CLASS(CUSBUIQueriesNotifier) : public CUSBUINotifierBase
+    {
+public:
+    // Constructors and destructor
+
+    /**
+     * Two-phased constructor.
+     */
+    static CUSBUIQueriesNotifier* NewL();
+
+    /**
+     * Destructor.
+     */
+    virtual ~CUSBUIQueriesNotifier();
+
+private:
+    // Functions from base class
+
+    /**
+     * From CUSBUINotifierBase Called when a notifier is first loaded.        
+     * @param None.
+     * @return A structure containing priority and channel info.
+     */
+    TNotifierInfo RegisterL();
+
+    /**
+     * From CUSBUINotifierBase The notifier has been deactivated 
+     * so resources can be freed and outstanding messages completed.
+     * @param None.
+     * @return None.
+     */
+    void Cancel();
+
+    /**
+     * From CUSBUINotifierBase Gets called when a request completes.
+     * @param None.
+     * @return None.
+     */
+    void RunL();
+
+    /**
+     * From CUSBUINotifierBase Used in asynchronous notifier launch to 
+     * store received parameters into members variables and 
+     * make needed initializations.
+     * @param aBuffer A buffer containing received parameters
+     * @param aReplySlot A reply slot.
+     * @param aMessage Should be completed when the notifier is deactivated.
+     * @return None.
+     */
+    void GetParamsL(const TDesC8& aBuffer, TInt aReplySlot,
+            const RMessagePtr2& aMessage);
+
+private:
+    /*
+     * From MEikSrvNotifierBase2 Synchronic notifier launch.        
+     * @param aBuffer Received parameter data.
+     * @return A pointer to return value.
+     */
+    virtual TPtrC8 StartL(const TDesC8& aBuffer);
+
+    /**
+     *  C++ default constructor.
+     */
+    CUSBUIQueriesNotifier();
+
+private:
+    // New functions
+
+    /**
+     * Show query dialog 
+     * @param aStringHolder   The string for the query. 
+     * @param aCoverDialogId  The dialog ID for the cover UI.
+     * @param aIsCancelKey    Does the dialog show Cancel key.
+     * @return KErrNone - accepted, KErrCancel - Cancel or End call key
+     */
+    TInt QueryUserResponseL(const TDesC& aStringHolder, TInt aCoverDialogId,
+            TBool aIsCancelKey);
+
+    /**
+     * Get attributes for the query dialog
+     * The query type is idenfied by the member variable iQueryType.
+     * The caller should pop and destroy the returned heap descriptor 
+     * when it is no longer needed.
+     * @param aCoverDialogId  Returned dialog ID for the cover UI.
+     * @param aIsCancelKey    Returned info about showing the Cancel key.
+     * @return                The string holder for the query. 
+     */
+    HBufC* GetQueryAttributesLC(TInt& aCoverDialogId, TBool& aIsCancelKey);
+
+private:
+    // Data
+    
+    /**
+    * Not own, destroys self when lauched.
+    */
+    CAknQueryDialog* iUSBQueryDlg;
+    TUSBUIQueries iQueryType; // To store the type of the query
+
+    };
+#endif // USBUINQUERIESNOTIFIER_H