1 /*

     2 * Copyright (c) 2005 Nokia Corporation and/or its subsidiary(-ies).

     3 * All rights reserved.

     4 * This component and the accompanying materials are made available

     5 * under the terms of "Eclipse Public License v1.0"

     6 * which accompanies this distribution, and is available

     7 * at the URL "http://www.eclipse.org/legal/epl-v10.html".

     8 *

     9 * Initial Contributors:

    10 * Nokia Corporation - initial contribution.

    11 *

    12 * Contributors:

    13 *

    14 * Description:     Screensaver GifAnimation plug-in implementation source file

    15 *

    16 */

    17 

    18 

    19 

    20 

    21 

    22 #include <e32std.h>

    23 #include <eikenv.h>

    24 #include <barsread.h>

    25 #include <fbs.h>

    26 #include <gdi.h>

    27 #include <f32file.h>

    28 #include <cecombrowserplugininterface.h>

    29 

    30 #include "GifAnimationPlugin.h"

    31 #include "GifAnimationUtils.h"

    32 

    33 

    34 // ======== MEMBER FUNCTIONS ========

    35 

    36 // ---------------------------------------------------------------------------

    37 // Instance factory.

    38 // ---------------------------------------------------------------------------

    39 //

    40 CGifAnimationPlugin* CGifAnimationPlugin::NewL( NPP anInstance )

    41     {

    42     DBG_TRACE_FN_BEGIN;        

    43     CGifAnimationPlugin *self = new (ELeave) CGifAnimationPlugin;

    44     CleanupStack::PushL( self );

    45     self->Construct( anInstance );

    46 

    47     CleanupStack::Pop();

    48     DBG_TRACE_FN_END;

    49     return self;

    50     }

    51 

    52 // ---------------------------------------------------------------------------

    53 // Destructor

    54 // ---------------------------------------------------------------------------

    55 //

    56 CGifAnimationPlugin::~CGifAnimationPlugin()

    57     {

    58     DBG_TRACE_FN_BEGIN;        

    59     if ( iControl )

    60         {

    61         delete iControl;

    62         iControl=NULL;

    63         }

    64     DBG_TRACE_FN_END;

    65     }

    66 

    67 // ---------------------------------------------------------------------------

    68 // Notifies host that plug-in has finished.

    69 // ---------------------------------------------------------------------------

    70 //

    71 void CGifAnimationPlugin::PrepareToExitL()

    72     {

    73     DBG_TRACE_FN_BEGIN;        

    74 

    75     if ( iPluginAdapter )

    76         {

    77         CCoeControl* aParentControl = iPluginAdapter->GetParentControl();

    78         if ( iControl != NULL )

    79             {

    80             // will free resources, if file was loaded but was not stopped

    81             iControl->StopAnimation();

    82             }

    83         iPluginAdapter->PluginFinishedL();

    84         }

    85     DBG_TRACE_FN_END;

    86     }

    87 

    88 // ---------------------------------------------------------------------------

    89 // 2nd phase constructor.

    90 // ---------------------------------------------------------------------------

    91 //

    92 void CGifAnimationPlugin::Construct( NPP anInstance )

    93     {

    94     DBG_TRACE_FN_BEGIN;        

    95     iInstance=anInstance;

    96     DBG_TRACE_FN_END;

    97     }

    98 

    99 // ---------------------------------------------------------------------------

   100 // Sets the parent window to plug-in. If already set, only updates size.

   101 // ---------------------------------------------------------------------------

   102 //

   103 void CGifAnimationPlugin::SetWindowL( const NPWindow *aWindow, 

   104                                       const TRect& aRect )

   105     {

   106     DBG_TRACE_FN_BEGIN;        

   107     iPluginAdapter = static_cast<MPluginAdapter*>( aWindow->window );

   108     CCoeControl* aParentControl = iPluginAdapter->GetParentControl();

   109     if ( iControl == NULL )

   110         {

   111         iControl = CGifAnimationPluginControl::NewL( aParentControl, 

   112 													 iPluginAdapter );

   113         iPluginAdapter->PluginConstructedL( iControl );

   114         }

   115 

   116     if ( iControl != NULL )

   117         {

   118         iControl->SetRect( aRect );

   119         }

   120     DBG_TRACE_FN_END;

   121     }

   122 

   123 // ---------------------------------------------------------------------------

   124 // Returns pointer on instance of CGifAnimationPluginControl

   125 // ---------------------------------------------------------------------------

   126 //

   127 CGifAnimationPluginControl* CGifAnimationPlugin::Control()

   128     {

   129     DBG_TRACE_FN_BEGIN;        

   130     ASSERT( iControl );

   131     DBG_TRACE_FN_END;

   132     return iControl;

   133     }

   134 

   135 // ---------------------------------------------------------------------------

   136 // Returns pointer on NPP instance

   137 // ---------------------------------------------------------------------------

   138 //

   139 NPP CGifAnimationPlugin::Instance()

   140     {

   141     DBG_TRACE_FN_BEGIN;        

   142     ASSERT( iInstance );

   143     DBG_TRACE_FN_END;

   144     return iInstance;

   145     }