--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/svgtviewer/SvgtViewerPlugin/UIControlSrc/SvgtController.cpp	Thu Sep 09 11:17:40 2010 +0300
@@ -0,0 +1,269 @@
+/*
+* Copyright (c) 2005 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:  This file implements the active objects used for progressive 
+*                rendering 
+*
+*/
+
+
+#include "SvgtController.h"
+#include <eikenv.h>
+#include <aknnavi.h>
+#include <aknnavide.h>
+#include <eikspane.h>
+#include "SVGTCustControl.h"
+
+const TInt KAnimationInerval = 100000;
+
+_LIT(KDot, ". ");
+
+/*
+*************************************************************************************
+*   ThreadController Implemetation
+*
+***************************************************************************************
+*/
+// -----------------------------------------------------------------------------
+// CSvgtThreadController::NewL
+// Two phase constructor
+// -----------------------------------------------------------------------------
+//
+CSvgtThreadController* CSvgtThreadController::NewL(CSVGTCustControl* aCustControl)
+    {
+    CSvgtThreadController* self = CSvgtThreadController::NewLC(aCustControl);
+    CleanupStack::Pop(self);    //self
+    return self;
+    }
+    
+// -----------------------------------------------------------------------------
+// CSvgtThreadController::NewLC
+// Two phase constructor
+// -----------------------------------------------------------------------------
+//
+CSvgtThreadController* CSvgtThreadController::NewLC(CSVGTCustControl* aCustControl)
+    {
+    CSvgtThreadController* self = new (ELeave) CSvgtThreadController(aCustControl);
+    CleanupStack::PushL(self);
+    self->ConstructL();
+    return self;
+    }
+
+// -----------------------------------------------------------------------------
+// CSvgtThreadController::~CSvgtThreadController
+// Destructor
+// -----------------------------------------------------------------------------
+//
+CSvgtThreadController::~CSvgtThreadController()
+    {
+    Cancel();
+    if(iLoadAnimator)
+        {
+        iLoadAnimator->Cancel();
+        }
+        
+    delete iLoadAnimator;
+    ClearNaviPaneDecorator();
+    // Reset eikon env pointer
+    iEikEnv = NULL;
+    // Reset the custom control pointer
+    iCustControl = NULL;
+    }
+    
+// -----------------------------------------------------------------------------
+// CSvgtThreadController::DoCancel
+// Cancels all the pending request
+// -----------------------------------------------------------------------------
+//
+void CSvgtThreadController::DoCancel()
+    {
+    }
+    
+// -----------------------------------------------------------------------------
+// CSvgtThreadController::RunL
+// Handles an active object's request completion event.
+// -----------------------------------------------------------------------------
+//
+void CSvgtThreadController::RunL()
+    {
+    iCustControl->SetThreadRunning(EFalse);
+    iLoadAnimator->Cancel();
+    iCount = KAnimationLength;
+    DoLoadAnimationL();
+    TInt lLoadError = iCustControl->DoHandleLoadingThreadError();
+    TInt lPostLoadError = KErrNone;
+    
+    // Stop displaying progressive-render indicator
+    ClearNaviPaneDecorator();
+    //iCustControl->StopEventHandler();
+    if( lLoadError == KErrNone )
+        {
+        // No Load error, Do the post load functionality
+        TRAP( lPostLoadError, iCustControl->DoPostLoadFuncL() );    
+        }
+    
+    // If there were any errors then ask parent to exit
+    if ( ( lLoadError!= KErrNone ) || ( lPostLoadError != KErrNone ) )
+        {
+        // Error has occurred, commence cleanup 
+        // Request Observer to Exit
+   	    iCustControl->DoExitFromDialogL();
+        }
+    }
+    
+// -----------------------------------------------------------------------------
+// CSvgtThreadController::CSvgtThreadController
+// Parameterized constructor
+// -----------------------------------------------------------------------------
+//
+CSvgtThreadController::CSvgtThreadController(CSVGTCustControl* aCustControl):
+                                                CActive(EPriorityStandard),
+                                                iCustControl(aCustControl)
+    {
+    CActiveScheduler::Add(this);
+    }
+    
+// -----------------------------------------------------------------------------
+// CSvgtThreadController::ConstructL
+// Two phase constructor
+// -----------------------------------------------------------------------------
+//
+void CSvgtThreadController::ConstructL()
+    {
+    iLoadAnimator = CPeriodic::NewL(CActive::EPriorityStandard);
+    
+    // Store the environment pointer to avoid slow static access
+    iEikEnv = CEikonEnv::Static();
+    User::LeaveIfNull( iEikEnv );
+    }
+    
+// -----------------------------------------------------------------------------
+// CSvgtThreadController::IssueThreadMonitorRequest
+// Makes it active to get notify on thread death
+// -----------------------------------------------------------------------------
+//
+void CSvgtThreadController::IssueThreadMonitorRequest(const RThread& aThread)
+    {
+    aThread.Logon(iStatus);
+    iMainThread = aThread.Id();
+    SetActive();
+
+    TCallBack callBack(LoadAnimationCallBack, this);
+    iCount  = 0;
+    iLoadAnimator->Start(0, KAnimationInerval, callBack);
+    }
+    
+// -----------------------------------------------------------------------------
+// CSvgtThreadController::StopThreadExecution
+// Stops the thread execution
+// -----------------------------------------------------------------------------
+//
+void CSvgtThreadController::StopThreadExecution(const RThread& aThread)
+    {
+    aThread.LogonCancel(iStatus);
+    }
+
+// -----------------------------------------------------------------------------
+// CSvgtThreadController::DoLoadAnimationL
+// This fuction does the loading animation
+// -----------------------------------------------------------------------------
+//
+void CSvgtThreadController::DoLoadAnimationL()
+    {
+    CEikStatusPane* sp = iEikEnv->AppUiFactory()->StatusPane();
+    CAknNavigationControlContainer* np = 
+        static_cast<CAknNavigationControlContainer*>
+            ( sp->ControlL( TUid::Uid( EEikStatusPaneUidNavi ) ) );
+
+    if(iCount >= KAnimationLength)
+        {
+        iCount = 0;
+        iAnimationText.Zero();
+        }
+    else
+        {
+        iCount++;
+        iAnimationText.Append(KDot);
+        }
+
+    CAknNavigationDecorator* lOldNaviDecorator = iNaviDecorator;
+    iNaviDecorator = NULL;
+    if ( lOldNaviDecorator )
+        {
+        delete lOldNaviDecorator ;
+        lOldNaviDecorator = NULL;
+        }
+
+    // Clear the old Navi-Pane Decorator
+    // Create the navi pane label            
+    iNaviDecorator = np->CreateNavigationLabelL( iAnimationText );
+
+    // Save the old Navi Decorator so that it can be deleted after 
+    // creating the new navi decorator 
+    // Push the new Navi decorator in the Navigation Pane
+    np->PushL( *iNaviDecorator );
+    
+    }
+    
+// -----------------------------------------------------------------------------
+// CSvgtThreadController::LoadAnimationCallBack
+// Callback fuction for loading animation
+// -----------------------------------------------------------------------------
+//
+TInt CSvgtThreadController::LoadAnimationCallBack(TAny* aThreadController)
+    {
+    CSvgtThreadController* threadController = 
+        static_cast< CSvgtThreadController* >( aThreadController );
+    if ( threadController )
+        {
+        TRAPD( ignore, threadController->DoLoadAnimationL() );
+        if ( ignore != KErrNone )
+            {
+            // No error handling done.
+            }
+        }
+    return 0;
+    }
+
+// -----------------------------------------------------------------------------
+// CSvgtThreadController::ClearNaviPaneDecorator
+// Clears the navi pane indicator when the loading animation gets over
+// -----------------------------------------------------------------------------
+//
+void CSvgtThreadController::ClearNaviPaneDecorator()
+    {
+    // Clear the Navi-Pane Decorator    
+    if ( iNaviDecorator )
+        {
+        // Restore the old navi-pane
+        CEikStatusPane* sp = iEikEnv->AppUiFactory()->StatusPane();
+        
+        CAknNavigationControlContainer* np = NULL;
+        TRAPD( errGetNaviControl, 
+            np = static_cast< CAknNavigationControlContainer* >
+            ( sp->ControlL( TUid::Uid( EEikStatusPaneUidNavi ) ) ) );
+        if ( errGetNaviControl == KErrNone && np )
+            {
+            TRAPD( errPushDefNaviControl, 
+                np->PushDefaultL ()); // Set default.    
+            if ( errPushDefNaviControl != KErrNone )
+                {
+                // No error handling here.
+                }
+            }
+        delete iNaviDecorator;
+        iNaviDecorator = NULL;
+        }
+    }
+// End of file
+