scrsaver/scrsaverplugins/ScreenSaverGifAnimPlugin/src/GifAnimationPlugin.cpp
branchRCL_3
changeset 26 e8d784ac1a4b
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/scrsaver/scrsaverplugins/ScreenSaverGifAnimPlugin/src/GifAnimationPlugin.cpp	Wed Sep 01 12:30:40 2010 +0100
@@ -0,0 +1,145 @@
+/*
+* 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:     Screensaver GifAnimation plug-in implementation source file
+*
+*/
+
+
+
+
+
+#include <e32std.h>
+#include <eikenv.h>
+#include <barsread.h>
+#include <fbs.h>
+#include <gdi.h>
+#include <f32file.h>
+#include <cecombrowserplugininterface.h>
+
+#include "GifAnimationPlugin.h"
+#include "GifAnimationUtils.h"
+
+
+// ======== MEMBER FUNCTIONS ========
+
+// ---------------------------------------------------------------------------
+// Instance factory.
+// ---------------------------------------------------------------------------
+//
+CGifAnimationPlugin* CGifAnimationPlugin::NewL( NPP anInstance )
+    {
+    DBG_TRACE_FN_BEGIN;        
+    CGifAnimationPlugin *self = new (ELeave) CGifAnimationPlugin;
+    CleanupStack::PushL( self );
+    self->Construct( anInstance );
+
+    CleanupStack::Pop();
+    DBG_TRACE_FN_END;
+    return self;
+    }
+
+// ---------------------------------------------------------------------------
+// Destructor
+// ---------------------------------------------------------------------------
+//
+CGifAnimationPlugin::~CGifAnimationPlugin()
+    {
+    DBG_TRACE_FN_BEGIN;        
+    if ( iControl )
+        {
+        delete iControl;
+        iControl=NULL;
+        }
+    DBG_TRACE_FN_END;
+    }
+
+// ---------------------------------------------------------------------------
+// Notifies host that plug-in has finished.
+// ---------------------------------------------------------------------------
+//
+void CGifAnimationPlugin::PrepareToExitL()
+    {
+    DBG_TRACE_FN_BEGIN;        
+
+    if ( iPluginAdapter )
+        {
+        CCoeControl* aParentControl = iPluginAdapter->GetParentControl();
+        if ( iControl != NULL )
+            {
+            // will free resources, if file was loaded but was not stopped
+            iControl->StopAnimation();
+            }
+        iPluginAdapter->PluginFinishedL();
+        }
+    DBG_TRACE_FN_END;
+    }
+
+// ---------------------------------------------------------------------------
+// 2nd phase constructor.
+// ---------------------------------------------------------------------------
+//
+void CGifAnimationPlugin::Construct( NPP anInstance )
+    {
+    DBG_TRACE_FN_BEGIN;        
+    iInstance=anInstance;
+    DBG_TRACE_FN_END;
+    }
+
+// ---------------------------------------------------------------------------
+// Sets the parent window to plug-in. If already set, only updates size.
+// ---------------------------------------------------------------------------
+//
+void CGifAnimationPlugin::SetWindowL( const NPWindow *aWindow, 
+                                      const TRect& aRect )
+    {
+    DBG_TRACE_FN_BEGIN;        
+    iPluginAdapter = static_cast<MPluginAdapter*>( aWindow->window );
+    CCoeControl* aParentControl = iPluginAdapter->GetParentControl();
+    if ( iControl == NULL )
+        {
+        iControl = CGifAnimationPluginControl::NewL( aParentControl, 
+													 iPluginAdapter );
+        iPluginAdapter->PluginConstructedL( iControl );
+        }
+
+    if ( iControl != NULL )
+        {
+        iControl->SetRect( aRect );
+        }
+    DBG_TRACE_FN_END;
+    }
+
+// ---------------------------------------------------------------------------
+// Returns pointer on instance of CGifAnimationPluginControl
+// ---------------------------------------------------------------------------
+//
+CGifAnimationPluginControl* CGifAnimationPlugin::Control()
+    {
+    DBG_TRACE_FN_BEGIN;        
+    ASSERT( iControl );
+    DBG_TRACE_FN_END;
+    return iControl;
+    }
+
+// ---------------------------------------------------------------------------
+// Returns pointer on NPP instance
+// ---------------------------------------------------------------------------
+//
+NPP CGifAnimationPlugin::Instance()
+    {
+    DBG_TRACE_FN_BEGIN;        
+    ASSERT( iInstance );
+    DBG_TRACE_FN_END;
+    return iInstance;
+    }