sl@0: // Copyright (c) 2002-2009 Nokia Corporation and/or its subsidiary(-ies).
sl@0: // All rights reserved.
sl@0: // This component and the accompanying materials are made available
sl@0: // under the terms of "Eclipse Public License v1.0"
sl@0: // which accompanies this distribution, and is available
sl@0: // at the URL "http://www.eclipse.org/legal/epl-v10.html".
sl@0: //
sl@0: // Initial Contributors:
sl@0: // Nokia Corporation - initial contribution.
sl@0: //
sl@0: // Contributors:
sl@0: //
sl@0: // Description:
sl@0: //
sl@0: 
sl@0: #include <logview.h>
sl@0: 
sl@0: // User includes
sl@0: #include <logwrap.h>
sl@0: #include <logcli.h>
sl@0: #include "logclipanic.h"
sl@0: #include "logservcli.h"
sl@0: #include "logpackage.h"
sl@0: #include "logclientop.h"
sl@0: #include "LogViewObserver.h"
sl@0: #include "LogViewWindow.h"
sl@0: 
sl@0: // Constants
sl@0: const TInt KLogDefaultWindowSize = 10;
sl@0: 
sl@0: //**********************************
sl@0: // CLogView
sl@0: //**********************************
sl@0: 
sl@0: CLogView::CLogView(CLogClient& aClient, TInt aPriority/* = CActive:EPriorityStandard*/)
sl@0: : CLogActive(aPriority), iClient(aClient)
sl@0: 	{
sl@0: 	// Get the view id
sl@0: 	iViewId = iClient.Session().AllocateIdView();
sl@0: 	}
sl@0: 
sl@0: EXPORT_C CLogView::~CLogView()
sl@0: /** Frees all resources owned by this object prior to its destruction. In particular, 
sl@0: any outstanding asynchronous request is cancelled. */
sl@0: 	{
sl@0: 	Cancel();
sl@0: 
sl@0: 	delete iEvent;
sl@0: 	delete iPackage;
sl@0: 	delete iMaintain;
sl@0: 	delete iLogViewObserver;
sl@0: 	delete iWindow;
sl@0: 
sl@0: 	// Delete the view
sl@0: 	iClient.Session().Send(ELogViewDelete, TIpcArgs(iViewId)); // Not much we can do if this goes wrong
sl@0: 	}
sl@0: 
sl@0: void CLogView::ConstructL(TInt aType, MLogViewChangeObserver* aObserver)
sl@0: 	{
sl@0: 	iType = aType;
sl@0: 	iLogViewChangeObserver = aObserver;
sl@0: 	iPackage = CLogPackage::NewL();
sl@0: 	iEvent = CLogEvent::NewL();
sl@0: 	iMaintain = new(ELeave)CLogMaintainClientOp(iClient.Session(), *iPackage, Priority());
sl@0: 
sl@0: 	PrepareViewChildrenL();
sl@0: 	}
sl@0: 
sl@0: void CLogView::NotifyLogServerTerminatedL()
sl@0: 	{
sl@0: 	PrepareViewChildrenL();
sl@0: 	}
sl@0: 
sl@0: void CLogView::PrepareViewChildrenL()
sl@0: 	{
sl@0: 	// Construct the view in the server
sl@0: 	TIpcArgs aArgs;
sl@0: 	aArgs.Set(0, iViewId);
sl@0: 	aArgs.Set(1, iType);
sl@0: 
sl@0: 	User::LeaveIfError(iClient.Session().Send(ELogViewCreate, aArgs));
sl@0: 	CLogViewWindow* window = new(ELeave)
sl@0: 		CLogViewWindow(iClient.Session(), iViewId, KLogDefaultWindowSize,
sl@0: 		iLogViewChangeObserver, CActive::EPriorityIdle);
sl@0: 	
sl@0: 	delete iWindow;
sl@0: 	iWindow = window;
sl@0: 	iWindow->ConstructL(*iPackage);
sl@0: 
sl@0: 	// The Log view observer receives all events from the log server. It then cascades them to an object owned by
sl@0: 	// the log window. In turn this object (CLogViewWindowChangeObserver) cascades them back to the log window.
sl@0: 	// Finally, the log window passes them back up to the client of the log engine, i.e aObserver.
sl@0: 	CLogViewObserver* observer = CLogViewObserver::NewL(*this, iClient, iWindow->ChangeObserver(), iViewId, Priority());
sl@0: 	delete iLogViewObserver;
sl@0: 	iLogViewObserver = observer;
sl@0: 	}
sl@0: 
sl@0: EXPORT_C TBool CLogView::FirstL(TRequestStatus& aStatus)
sl@0: /** Moves the current position in the view to the first event. The first event 
sl@0: is the most recent event.
sl@0: 
sl@0: This is an asynchronous request.
sl@0: 
sl@0: @param aStatus The request status. On request completion, contains:KErrNone, 
sl@0: if the position in the view has been successfully moved; otherwise, one of 
sl@0: the other system wide error codes.
sl@0: @return ETrue, if the function has successfully issued the asynchronous request. 
sl@0: EFalse, if there are no events in the view. */
sl@0: 	{
sl@0: 	return NavigateL(ELogNavigateFirst, aStatus);
sl@0: 	}
sl@0: 
sl@0: EXPORT_C TBool CLogView::LastL(TRequestStatus& aStatus)
sl@0: /** Moves the current position in the view to the last event. The last event is 
sl@0: the oldest event.
sl@0: 
sl@0: This is an asynchronous request.
sl@0: 
sl@0: @param aStatus The request status. On request completion, contains:KErrNone, 
sl@0: if the position in the view has been successfully moved; otherwise, one of 
sl@0: the other system wide error codes.
sl@0: @return ETrue, if the function has successfully issued the asynchronous request. 
sl@0: EFalse, if there are no events in the view. */
sl@0: 	{
sl@0: 	return NavigateL(ELogNavigateLast, aStatus);
sl@0: 	}
sl@0: 
sl@0: EXPORT_C TBool CLogView::NextL(TRequestStatus& aStatus)
sl@0: /** Moves the current position in the view to the next event. The next event is 
sl@0: always older than the current event, i.e. next implies movement in the first 
sl@0: to last direction.
sl@0: 
sl@0: @param aStatus The request status. On request completion, contains:KErrNone, 
sl@0: if the position in the view has been successfully moved; otherwise, one of 
sl@0: the other system wide error codes.
sl@0: @return ETrue, if the function has successfully issued the asynchronous request. 
sl@0: EFalse, if there are no events in the view. */
sl@0: 	{
sl@0: 	return NavigateL(ELogNavigateForwards, aStatus);
sl@0: 	}
sl@0: 
sl@0: EXPORT_C TBool CLogView::PreviousL(TRequestStatus& aStatus)
sl@0: /** Moves the current position in the view to the previous event. The previous 
sl@0: event is always more recent than the current event, i.e. previous implies 
sl@0: movement in the last to first direction.
sl@0: 
sl@0: @param aStatus The request status. On request completion, contains:KErrNone, 
sl@0: if the position in the view has been successfully moved; otherwise, one of 
sl@0: the other system wide error codes.
sl@0: @return ETrue, if the function has successfully issued the asynchronous request. 
sl@0: EFalse, if there are no events in the view. */
sl@0: 	{
sl@0: 	return NavigateL(ELogNavigateBackwards, aStatus);
sl@0: 	}
sl@0: 
sl@0: EXPORT_C TInt CLogView::CountL()
sl@0: /** Gets the number of events in the view.
sl@0: 
sl@0: @return The number of events in the view. */
sl@0: 	{
sl@0: 	// Just return zero if the view isn't setup
sl@0: 	if	(!IsValid() && !LogViewRecordCount())
sl@0: 		{
sl@0: 		return 0;
sl@0: 		}
sl@0: 
sl@0: 	// Ask the server the number of events in this view
sl@0: 	const TInt count = iClient.Session().Send(ELogViewCount, TIpcArgs(iViewId));
sl@0: 
sl@0: 	User::LeaveIfError(count);
sl@0: 	return count;
sl@0: 	}
sl@0: 
sl@0: EXPORT_C void CLogView::SetFlagsL(TLogFlags aFlags)
sl@0: /**
sl@0: @capability Note For built-in event types, the required capability level is defined in
sl@0: the event type's write access policy. */
sl@0: 	{
sl@0: 	// To preserve the same server side interface as an operation
sl@0: 	TPckgBuf<TLogClientServerData> data;
sl@0: 	data().iOperationType = ELogOperationViewSetFlags;
sl@0: 	data().iOperationId = KLogNullOperationId;
sl@0: 	//
sl@0: 	User::LeaveIfError(iClient.Session().Send(ELogViewOperationInitiate, TIpcArgs(&data,iViewId,aFlags)));
sl@0: 	}
sl@0: 
sl@0: TBool CLogView::NavigateL(TInt aPosition, TRequestStatus& aStatus)
sl@0: 	{
sl@0: 	__ASSERT_ALWAYS(!IsActive(), Panic(ELogAlreadyActive1));
sl@0: 	if (!IsValid() && !LogViewRecordCount())
sl@0: 		{
sl@0: 		return EFalse;
sl@0: 		}
sl@0: 	//
sl@0: 	const TLogNavigation navigationPosition = static_cast<TLogNavigation>(aPosition);
sl@0: 	const TBool requestIssued = iWindow->NavigateL(navigationPosition, iStatus);
sl@0: 	//
sl@0: 	if	(requestIssued)
sl@0: 		{
sl@0: 		Queue(aStatus);
sl@0: 		SetActive();
sl@0: 		// iValid is false if at time of SetFilterL there is no event.
sl@0: 		// If iWindow->NavigateL returns ETrue then there are always
sl@0: 		// events in the view.
sl@0: 		iValid = ETrue;
sl@0: 		}
sl@0: 	//
sl@0: 	return requestIssued;
sl@0: 	}
sl@0: 
sl@0: void CLogView::DoRunL()
sl@0: 	{
sl@0: 	if	(iStatus.Int() == KErrNone)
sl@0: 		ReadEventFromWindowL();
sl@0: 	}
sl@0: 
sl@0: void CLogView::DoCancel()
sl@0: 	{
sl@0: 	iWindow->Cancel();
sl@0: 	CLogActive::DoCancel();
sl@0: 	}
sl@0: 
sl@0: void CLogView::ReadEventFromWindowL()
sl@0: 	{
sl@0: 	CLogEvent* event = CLogEvent::NewL();
sl@0: 	delete iEvent;
sl@0: 	iEvent = event;
sl@0: 	iEvent->CopyL(iWindow->CurrsorEvent());
sl@0: 	}
sl@0: 
sl@0: void CLogView::ReawaitForChanges()
sl@0: 	{
sl@0: 	iLogViewObserver->Cancel();
sl@0: 	iLogViewObserver->RequestChanges();
sl@0: 	}
sl@0: 
sl@0: //
sl@0: // The CLogViewWindow member has an observer to receive changes
sl@0: // in events. If events are added to database after SetFilterL then
sl@0: // iWindow would know about them.
sl@0: TInt CLogView::LogViewRecordCount() const
sl@0: 	{
sl@0: 	if (iWindow)
sl@0: 		{
sl@0: 		return iWindow->ViewRecordCount();
sl@0: 		}
sl@0: 	return 0;
sl@0: 	}
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sl@0: //**********************************
sl@0: // CLogViewEvent
sl@0: //**********************************
sl@0: 
sl@0: CLogViewEvent::CLogViewEvent(CLogClient& aClient, TInt aPriority)
sl@0: : CLogView(aClient, aPriority)
sl@0: 	{
sl@0: 	}
sl@0: 
sl@0: EXPORT_C CLogViewEvent::~CLogViewEvent()
sl@0: /** Frees all resources owned by the object prior to its destruction. In particular, 
sl@0: any outstanding asynchronous request is cancelled */
sl@0: 	{
sl@0: 	Cancel();
sl@0: 	}
sl@0: 
sl@0: void CLogViewEvent::ConstructL(MLogViewChangeObserver* aObserver)
sl@0: 	{
sl@0: 	CLogView::ConstructL(ELogViewTypeEvent, aObserver);
sl@0: 	}
sl@0: 
sl@0: EXPORT_C CLogViewEvent* CLogViewEvent::NewL(CLogClient& aClient, TInt aPriority)
sl@0: 	{
sl@0: 	CLogViewEvent* self = new(ELeave)CLogViewEvent(aClient, aPriority);
sl@0: 	CleanupStack::PushL(self);
sl@0: 	self->ConstructL();
sl@0: 	CleanupStack::Pop(self);
sl@0: 	return self;
sl@0: 	}
sl@0: 
sl@0: EXPORT_C CLogViewEvent* CLogViewEvent::NewL(CLogClient& aClient, MLogViewChangeObserver& aObserver, TInt aPriority)
sl@0: 	{
sl@0: 	CLogViewEvent* self = new(ELeave)CLogViewEvent(aClient, aPriority);
sl@0: 	CleanupStack::PushL(self);
sl@0: 	self->ConstructL(&aObserver);
sl@0: 	CleanupStack::Pop(self);
sl@0: 	return self;
sl@0: 	}
sl@0: 
sl@0: EXPORT_C TBool CLogViewEvent::SetFilterL(const CLogFilter& aFilter, TRequestStatus& aStatus)
sl@0: /** Initialises or refreshes the event view defined by the specified filter.
sl@0: 
sl@0: The view can only be used after the request completes successfully.
sl@0: 
sl@0: @param aFilter The filter. 
sl@0: @param aStatus The request status. On request completion, contains:KErrNone, 
sl@0: if the view has been successfully initialised or refreshed;one of the other 
sl@0: system wide error codes, otherwise. 
sl@0: @return ETrue, if the function has successfully issued the asynchronous request. 
sl@0: EFalse, if there are no events in the view. 
sl@0: @capability Note None required.*/
sl@0: 	{
sl@0: 	CLogFilterList* list = new(ELeave)CLogFilterList;
sl@0: 	CleanupStack::PushL(list);
sl@0: 	list->AppendL(&aFilter);
sl@0: 	TBool result = SetFilterL(*list, aStatus);
sl@0: 	CleanupStack::PopAndDestroy(); // list
sl@0: 	return result;
sl@0: 	}
sl@0: 
sl@0: EXPORT_C TBool CLogViewEvent::SetFilterL(const CLogFilterList& aFilterList, TRequestStatus& aStatus)
sl@0: /** Initialises or refreshes the event view defined by the set of specified filters.
sl@0: 
sl@0: The view can only be used after the request completes successfully.
sl@0: 
sl@0: @param aFilterList The set of filters. 
sl@0: @param aStatus The request status. On request completion, contains:KErrNone, 
sl@0: if the view has been successfully initialised or refreshed;one of the other 
sl@0: system wide error codes, otherwise. 
sl@0: @return ETrue, if the function has successfully issued the asynchronous request. 
sl@0: EFalse, if there are no events in the view. 
sl@0: @capability Note None required.  */
sl@0: 	{
sl@0: 	// Start maintenance of the database - ignore errors
sl@0: 	iMaintain->Start();
sl@0: 
sl@0: 	// Package the parameters
sl@0: 	iPackage->SetLogFilterListL(aFilterList);
sl@0: 
sl@0: 	// Setup the view
sl@0: 	const TInt count = iWindow->Setup(aFilterList, 0, ELogFilterConstructFilterByFilterFieldByField);
sl@0: 	User::LeaveIfError(count);
sl@0: 	iValid = count;
sl@0: 	ReawaitForChanges();
sl@0: 
sl@0: 	if(count)
sl@0: 		{
sl@0: 		// Get the required event
sl@0: 		iValid = FirstL(aStatus);
sl@0: 		return iValid;
sl@0: 		}
sl@0: 	return EFalse;
sl@0: 	}
sl@0: 
sl@0: EXPORT_C TBool CLogViewEvent::SetFilterParseFilterByFilterL(const CLogFilterList& aFilterList, TRequestStatus& aStatus)
sl@0: /**
sl@0: @capability Note None required.  */
sl@0: 	{
sl@0: 	// Start maintenance of the database - ignore errors
sl@0: 	iMaintain->Start();
sl@0: 
sl@0: 	// Package the parameters
sl@0: 	iPackage->SetLogFilterListL(aFilterList);
sl@0: 
sl@0: 	// Setup the view
sl@0: 	const TInt count = iWindow->Setup(aFilterList, 0, ELogFilterConstructFieldByFieldFilterByFilter);
sl@0: 	User::LeaveIfError(count);
sl@0: 	iValid = count;
sl@0: 	ReawaitForChanges();
sl@0: 
sl@0: 	if(count)
sl@0: 		{
sl@0: 		// Get the required event
sl@0: 		iValid = FirstL(aStatus);
sl@0: 		return iValid;
sl@0: 		}
sl@0: 	return EFalse;
sl@0: 	}
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sl@0: //**********************************
sl@0: // CLogViewRecent
sl@0: //**********************************
sl@0: 
sl@0: CLogViewRecent::CLogViewRecent(CLogClient& aClient, TInt aPriority)
sl@0: : CLogView(aClient, aPriority)
sl@0: 	{
sl@0: 	}
sl@0: 
sl@0: EXPORT_C CLogViewRecent::~CLogViewRecent()
sl@0: /** Frees resources owned by the object priot to its destruction. */
sl@0: 	{
sl@0: 	Cancel();
sl@0: 	delete iRemove;
sl@0: 	}
sl@0: 
sl@0: void CLogViewRecent::ConstructL(MLogViewChangeObserver* aObserver)
sl@0: 	{
sl@0: 	// Construct the view
sl@0: 	CLogView::ConstructL(ELogViewTypeRecent, aObserver);
sl@0: 
sl@0: 	iRemove = new(ELeave) CLogViewRemoveEventClientOp(iClient.Session(), *iPackage, Priority());
sl@0: 	}
sl@0: 
sl@0: EXPORT_C CLogViewRecent* CLogViewRecent::NewL(CLogClient& aClient, TInt aPriority)
sl@0: 	{
sl@0: 	CLogViewRecent* self = new(ELeave) CLogViewRecent(aClient, aPriority);
sl@0: 	CleanupStack::PushL(self);
sl@0: 	self->ConstructL();
sl@0: 	CleanupStack::Pop(); // self
sl@0: 	return self;
sl@0: 	}
sl@0: 
sl@0: EXPORT_C CLogViewRecent* CLogViewRecent::NewL(CLogClient& aClient, MLogViewChangeObserver& aObserver, TInt aPriority)
sl@0: 	{
sl@0: 	CLogViewRecent* self = new(ELeave) CLogViewRecent(aClient, aPriority);
sl@0: 	CleanupStack::PushL(self);
sl@0: 	self->ConstructL(&aObserver);
sl@0: 	CleanupStack::Pop(self);
sl@0: 	return self;
sl@0: 	}
sl@0: 
sl@0: EXPORT_C TBool CLogViewRecent::SetRecentListL(TLogRecentList aList, TRequestStatus& aStatus)
sl@0: /** Initialises or refreshes the view for the specified recent event list. This 
sl@0: is an asynchronous request.
sl@0: 
sl@0: On successful completion, the view is positioned at the first, i.e. most recent, 
sl@0: event within the recent event list.
sl@0: 
sl@0: @param aList The recent event list specifier. A value of KLogNullRecentList 
sl@0: indicates that the view is to include events from all of the recent event 
sl@0: lists.
sl@0: @param aStatus The request status. On request completion, contains:KErrNone, 
sl@0: if the view has been successfully initialised or refreshed; otherwise, one 
sl@0: of the other system wide error codes.
sl@0: @return ETrue, if the function has successfully issued the asynchronous request. 
sl@0: EFalse, if there are no events in the view. 
sl@0: @capability Note None required.  */
sl@0: 	{
sl@0: 	CLogFilter* filter = CLogFilter::NewL();
sl@0: 	CleanupStack::PushL(filter);
sl@0: 	TBool result = SetRecentListL(aList, *filter, aStatus);
sl@0: 	CleanupStack::PopAndDestroy(); // filter
sl@0: 	return result;
sl@0: 	}
sl@0: 
sl@0: EXPORT_C TBool CLogViewRecent::SetRecentListL(TLogRecentList aList, const CLogFilter& aFilter, TRequestStatus& aStatus)
sl@0: /** Initialises or refreshes the view for the specified recent event list, conforming 
sl@0: to the specified filter. This is an asynchronous request.
sl@0: 
sl@0: On successful completion, the view is positioned at the first, i.e. most recent, 
sl@0: event in the recent event list.
sl@0: 
sl@0: @param aList The recent event list specifier. A value of KLogNullRecentList 
sl@0: indicates that the view is to include events from all of the recent event 
sl@0: lists.
sl@0: @param aFilter The filter.
sl@0: @param aStatus The request status. On request completion, contains:KErrNone, 
sl@0: if the view has been successfully initialised or refreshed; otherwise, one 
sl@0: of the other system wide error codes.
sl@0: @return ETrue, if the function has successfully issued the asynchronous request. 
sl@0: EFalse, if there are no events in the view. 
sl@0: @capability Note None required.  */
sl@0: 	{
sl@0: 	CLogFilterList* list = new(ELeave)CLogFilterList;
sl@0: 	CleanupStack::PushL(list);
sl@0: 	list->AppendL(&aFilter);
sl@0: 	TBool result = SetRecentListL(aList, *list, aStatus);
sl@0: 	CleanupStack::PopAndDestroy(); // list
sl@0: 	return result;
sl@0: 	}
sl@0: 
sl@0: EXPORT_C TBool CLogViewRecent::SetRecentListL(TLogRecentList aList, const CLogFilterList& aFilterList, TRequestStatus& aStatus)
sl@0: /** Initialises or refreshes the view for the specified recent event list, conforming 
sl@0: to the set of specified filters. This is an asynchronous request.
sl@0: 
sl@0: On successful completion, the view is positioned at the first, i.e. most recent, 
sl@0: event in the recent event list.
sl@0: 
sl@0: @param aList The recent event list specifier. A value of KLogNullRecentList 
sl@0: indicates that the view is to include events from all of the recent event 
sl@0: lists.
sl@0: @param aFilterList The set of filters.
sl@0: @param aStatus The request status. On request completion, contains:KErrNone, 
sl@0: if the view has been successfully initialised or refreshed; otherwise, one 
sl@0: of the other system wide error codes.
sl@0: @return ETrue, if the function has successfully issued the asynchronous request. 
sl@0: EFalse, if there are no events in the view. 
sl@0: @capability Note None required.  */
sl@0: 	{
sl@0: 	// Start maintenance of the database - ignore errors
sl@0: 	iMaintain->Start();
sl@0: 
sl@0: 	// Package the parameters
sl@0: 	iPackage->SetLogFilterListL(aFilterList);
sl@0: 
sl@0: 	// Setup the view
sl@0: 	TInt count = iWindow->Setup(aFilterList, aList, ELogFilterConstructFilterByFilterFieldByField);
sl@0: 	User::LeaveIfError(count);
sl@0: 	iValid = count;
sl@0: 	ReawaitForChanges();
sl@0: 
sl@0: 	// Initialise list ids
sl@0: 	iRecentList = aList;
sl@0: 	iCurrentList = aList;
sl@0: 
sl@0: 	// This receives the current recent list id from the server
sl@0: 	iCurrentListBuf() = iCurrentList;
sl@0: 	iData = &iCurrentListBuf;
sl@0: 
sl@0: 	if(count)
sl@0: 		{
sl@0: 		// Get the required event
sl@0: 		iValid = FirstL(aStatus);
sl@0: 		return iValid;
sl@0: 		}
sl@0: 	return EFalse;
sl@0: 	}
sl@0: 
sl@0: EXPORT_C void CLogViewRecent::RemoveL(TLogId aId)
sl@0: /** Removes the event with the specified unique event ID from the view. This does 
sl@0: not delete the event from the main event log.
sl@0: 
sl@0: @param aId The unique event ID. 
sl@0: @capability WriteDeviceData  */
sl@0: 	{
sl@0: 	User::LeaveIfError(iRemove->Start(iViewId, aId));
sl@0: 	iWindow->RemoveFromWindowIfPresentL(aId);
sl@0: 	}
sl@0: 
sl@0: EXPORT_C TBool CLogViewRecent::RemoveL(TRequestStatus& aStatus)
sl@0: /** Removes the current event from its recent event list. This is an asynchronous 
sl@0: request.
sl@0: 
sl@0: This does not delete the event from the main event log.
sl@0: 
sl@0: The function moves the current position in the view to the first, i.e. most 
sl@0: recent, event.
sl@0: 
sl@0: Note that removing a recent event from a recent event list also removes all 
sl@0: of its duplicates.
sl@0: 
sl@0: @param aStatus The request status. On request completion, contains:KErrNone, 
sl@0: if the view has been successfully initialised or refreshed; otherwise, one 
sl@0: of the other system wide error codes.
sl@0: @return ETrue, if the function has successfully issued the asynchronous request. 
sl@0: EFalse, if there are no events in the view. 
sl@0: @capability WriteDeviceData  */
sl@0: 	{
sl@0: 	__ASSERT_DEBUG(IsValid(), Panic(ELogNotValid1));
sl@0: 	RemoveL(Event().Id());
sl@0: 	return FirstL(aStatus);
sl@0: 	}
sl@0: 
sl@0: EXPORT_C TBool CLogViewRecent::DuplicatesL(CLogViewDuplicate& aView, TRequestStatus& aStatus)
sl@0: /** Refreshes the specified duplicate event view with the duplicates of the current 
sl@0: event in the recent event list view. This is an asynchronous request.
sl@0: 
sl@0: On successful completion, the view is positioned at the first, i.e. most recent, 
sl@0: event within the view.
sl@0: 
sl@0: @param aView The duplicates view to be refreshed.
sl@0: @param aStatus The request status. On request completion, contains:KErrNone, 
sl@0: if the view has been successfully refreshed; otherwise, one of the other system 
sl@0: wide error codes.
sl@0: @return ETrue, if the function has successfully issued the asynchronous request. 
sl@0: EFalse, if there are no events in the view. 
sl@0: @capability Note None required.  */
sl@0: 	{
sl@0: 	__ASSERT_ALWAYS(!IsActive(), Panic(ELogAlreadyActive5));
sl@0: 	return IsValid() && aView.SetEventL(Event().Id(), aStatus);
sl@0: 	}
sl@0: 
sl@0: EXPORT_C TBool CLogViewRecent::DuplicatesL(CLogViewDuplicate& aView, const CLogFilter& aFilter, TRequestStatus& aStatus)
sl@0: /** Refreshes the specified duplicate event view with the duplicates of the current 
sl@0: event in the recent event list view and conforming to the specified filter. 
sl@0: This is an asynchronous request.
sl@0: 
sl@0: On successful completion, the view is positioned at the first, i.e. most recent, 
sl@0: event within the view.
sl@0: 
sl@0: @param aView The duplicates view to be refreshed.
sl@0: @param aFilter The filter.
sl@0: @param aStatus The request status. On request completion, contains:KErrNone, 
sl@0: if the view has been successfully refreshed; otherwise, one of the other system 
sl@0: wide error codes.
sl@0: @return ETrue, if the function has successfully issued the asynchronous request. 
sl@0: EFalse, if there are no events in the view. 
sl@0: @capability Note None required.*/
sl@0: 	{
sl@0: 	__ASSERT_ALWAYS(!IsActive(), Panic(ELogAlreadyActive6));
sl@0: 	return IsValid() && aView.SetEventL(Event().Id(), aFilter, aStatus);
sl@0: 	}
sl@0: 
sl@0: EXPORT_C TBool CLogViewRecent::DuplicatesL(CLogViewDuplicate& aView, const CLogFilterList& aFilterList, TRequestStatus& aStatus)
sl@0: /** Refreshes the specified duplicate event view with the duplicates of the current 
sl@0: event in the recent event list view and conforming to the set of specified 
sl@0: filters. This is an asynchronous request.
sl@0: 
sl@0: On successful completion, the view is positioned at the first, i.e. most recent, 
sl@0: event within the view.
sl@0: 
sl@0: @param aView The duplicates view to be refreshed.
sl@0: @param aFilterList The set of filters.
sl@0: @param aStatus The request status. On request completion, contains:KErrNone, 
sl@0: if the view has been successfully refreshed; otherwise, one of the other system 
sl@0: wide error codes.
sl@0: @return ETrue, if the function has successfully issued the asynchronous request. 
sl@0: EFalse, if there are no events in the view. 
sl@0: @capability Note None required.*/
sl@0: 	{
sl@0: 	__ASSERT_ALWAYS(!IsActive(), Panic(ELogAlreadyActive7));
sl@0: 	return IsValid() && aView.SetEventL(Event().Id(), aFilterList, aStatus);
sl@0: 	}
sl@0: 
sl@0: EXPORT_C void CLogViewRecent::ClearDuplicatesL()
sl@0: /**
sl@0: @capability WriteDeviceData  */
sl@0: 	{
sl@0: 	__ASSERT_DEBUG(IsValid(), Panic(ELogNotValid3));
sl@0: 
sl@0: 	// To preserve the same server side interface as an operation
sl@0: 	TPckgBuf<TLogClientServerData> data;
sl@0: 	data().iOperationType = ELogOperationViewClearDuplicates;
sl@0: 	data().iOperationId = KLogNullOperationId;
sl@0: 	//
sl@0: 	User::LeaveIfError(iClient.Session().Send(ELogViewOperationInitiate, TIpcArgs(&data,iViewId)));
sl@0: 	}
sl@0: 
sl@0: void CLogViewRecent::DoRunL()
sl@0: 	{
sl@0: 	// To fetch the event
sl@0: 	ReadEventFromWindowL();
sl@0: 
sl@0: 	// A fix to maintain source compatibility
sl@0: 	iCurrentList = iCurrentListBuf();
sl@0: 	}
sl@0: 
sl@0: 
sl@0: 
sl@0: 
sl@0: 
sl@0: 
sl@0: 
sl@0: 
sl@0: 
sl@0: 
sl@0: 
sl@0: 
sl@0: 
sl@0: 
sl@0: 
sl@0: 
sl@0: 
sl@0: 
sl@0: //**********************************
sl@0: // CLogViewDuplicate
sl@0: //**********************************
sl@0: 
sl@0: CLogViewDuplicate::CLogViewDuplicate(CLogClient& aClient, TInt aPriority)
sl@0: : CLogView(aClient, aPriority)
sl@0: 	{
sl@0: 	}
sl@0: 
sl@0: EXPORT_C CLogViewDuplicate::~CLogViewDuplicate()
sl@0: 	{
sl@0: 	Cancel();
sl@0: 	delete iRemove;
sl@0: 	}
sl@0: 
sl@0: void CLogViewDuplicate::ConstructL(MLogViewChangeObserver* aObserver)
sl@0: 	{
sl@0: 	CLogView::ConstructL(ELogViewTypeDuplicate, aObserver);
sl@0: 
sl@0: 	iRemove = new(ELeave) CLogViewRemoveEventClientOp(iClient.Session(), *iPackage, Priority());
sl@0: 	}
sl@0: 
sl@0: EXPORT_C CLogViewDuplicate* CLogViewDuplicate::NewL(CLogClient& aClient, TInt aPriority)
sl@0: 	{
sl@0: 	CLogViewDuplicate* self = new(ELeave)CLogViewDuplicate(aClient, aPriority);
sl@0: 	CleanupStack::PushL(self);
sl@0: 	self->ConstructL();
sl@0: 	CleanupStack::Pop();
sl@0: 	return self;
sl@0: 	}
sl@0: 
sl@0: EXPORT_C CLogViewDuplicate* CLogViewDuplicate::NewL(CLogClient& aClient, MLogViewChangeObserver& aObserver, TInt aPriority)
sl@0: 	{
sl@0: 	CLogViewDuplicate* self = new(ELeave) CLogViewDuplicate(aClient, aPriority);
sl@0: 	CleanupStack::PushL(self);
sl@0: 	self->ConstructL(&aObserver);
sl@0: 	CleanupStack::Pop(self);
sl@0: 	return self;
sl@0: 	}
sl@0: 
sl@0: TBool CLogViewDuplicate::SetEventL(TLogId aId, TRequestStatus& aStatus)
sl@0: 	{
sl@0: 	CLogFilter* filter = CLogFilter::NewL();
sl@0: 	CleanupStack::PushL(filter);
sl@0: 	TBool result = SetEventL(aId, *filter, aStatus);
sl@0: 	CleanupStack::PopAndDestroy(); // filter
sl@0: 	return result;
sl@0: 	}
sl@0: 
sl@0: TBool CLogViewDuplicate::SetEventL(TLogId aId, const CLogFilter& aFilter, TRequestStatus& aStatus)
sl@0: 	{
sl@0: 	CLogFilterList* list = new(ELeave)CLogFilterList;
sl@0: 	CleanupStack::PushL(list);
sl@0: 	list->AppendL(&aFilter);
sl@0: 	TBool result = SetEventL(aId, *list, aStatus);
sl@0: 	CleanupStack::PopAndDestroy(); // list
sl@0: 	return result;
sl@0: 	}
sl@0: 
sl@0: TBool CLogViewDuplicate::SetEventL(TLogId aId, const CLogFilterList& aFilterList, TRequestStatus& aStatus)
sl@0: 	{
sl@0: 	// Start maintenance of the database - ignore errors
sl@0: 	iMaintain->Start();
sl@0: 
sl@0: 	// Package the parameters
sl@0: 	iPackage->SetLogFilterListL(aFilterList);
sl@0: 
sl@0: 	// Setup the view
sl@0: 	TInt count = iWindow->Setup(aFilterList, aId, ELogFilterConstructFilterByFilterFieldByField);
sl@0: 	User::LeaveIfError(count);
sl@0: 	iValid = count;
sl@0: 	iSourceId = aId;
sl@0: 	ReawaitForChanges();
sl@0: 
sl@0: 	if(count)
sl@0: 		{
sl@0: 		// Get the required event
sl@0: 		iValid = FirstL(aStatus);
sl@0: 		return iValid;
sl@0: 		}
sl@0: 	return EFalse;
sl@0: 	}
sl@0: 
sl@0: EXPORT_C void CLogViewDuplicate::RemoveL(TLogId aId)
sl@0: /** Removes the event with the specified unique event ID from the view. This does 
sl@0: not delete the event from the main event log.
sl@0: 
sl@0: @param aId The unique event ID. 
sl@0: @capability WriteDeviceData  */
sl@0: 	{
sl@0: 	// Note: Duplicate views reset themselves
sl@0: 	__ASSERT_DEBUG(IsValid(), Panic(ELogNotValid2));
sl@0: 	User::LeaveIfError(iRemove->Start(iViewId, aId));
sl@0: 	iWindow->RemoveFromWindowIfPresentL(aId);
sl@0: 	}
sl@0: 
sl@0: EXPORT_C TBool CLogViewDuplicate::RemoveL(TRequestStatus& aStatus)
sl@0: /** Removes the current event from the duplicate list. This is an asynchronous 
sl@0: request.
sl@0: 
sl@0: This does not delete the event from the main event log.
sl@0: 
sl@0: The function moves the current position in the view to the first, i.e. most 
sl@0: recent, event.
sl@0: 
sl@0: @param aStatus The request status. On request completion, contains: KErrNone, 
sl@0: if the view has been successfully initialised or refreshed; otherwise, one 
sl@0: of the other system wide error codes.
sl@0: @return ETrue, if the function has successfully issued the asynchronous request. 
sl@0: EFalse, if there are no events in the view. 
sl@0: @capability WriteDeviceData  */
sl@0: 	{
sl@0: 	RemoveL(Event().Id());
sl@0: 	return FirstL(aStatus);
sl@0: 	}