idlehomescreen/xmluirendering/uiengine/src/xneffectmanager.cpp
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     1 /*
       
     2 * Copyright (c) 2008 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:  Effect manager.
       
    15 *
       
    16 */
       
    17 
       
    18 
       
    19 // INCLUDE FILES
       
    20 #include "xneffectmanager.h"
       
    21 #include "xnplugindata.h"
       
    22 #include "xnviewdata.h"
       
    23 #include "xnnode.h"
       
    24 #include "xndomnode.h"
       
    25 #include "xncontroladapter.h"
       
    26 
       
    27 // SYSTEM INCLUDE FILES
       
    28 #include <eikapp.h>
       
    29 #include <aknappui.h>
       
    30 #include <gfxtranseffect/gfxtranseffect.h>  // For transition effects
       
    31 #include <akntranseffect.h>                 // For transition effects
       
    32 
       
    33 // CONSTANTS
       
    34 const TInt KEffectTypeFullscreen = 1;
       
    35 const TInt KEffectTypeControl = 2;
       
    36 
       
    37 const TInt KWaitForLayout = 1;
       
    38 const TInt KEffectStarted = 2;
       
    39 
       
    40 // ============================ MEMBER FUNCTIONS ===============================
       
    41 
       
    42 // -----------------------------------------------------------------------------
       
    43 // C++ default constructor.
       
    44 // -----------------------------------------------------------------------------
       
    45 //
       
    46 CXnEffectManager::CXnEffectManager()
       
    47     {
       
    48     }
       
    49 
       
    50 // -----------------------------------------------------------------------------
       
    51 // Symbian 2nd phase constructor.
       
    52 // -----------------------------------------------------------------------------
       
    53 //
       
    54 void CXnEffectManager::ConstructL()
       
    55     {
       
    56     }
       
    57 
       
    58 // -----------------------------------------------------------------------------
       
    59 // Two-phased constructor.
       
    60 // -----------------------------------------------------------------------------
       
    61 //
       
    62 CXnEffectManager* CXnEffectManager::NewL()
       
    63     {
       
    64     CXnEffectManager* self = new (ELeave) CXnEffectManager();
       
    65     CleanupStack::PushL( self );
       
    66     self->ConstructL();
       
    67     CleanupStack::Pop( self );
       
    68     return self;
       
    69     }
       
    70 
       
    71 // -----------------------------------------------------------------------------
       
    72 // Destructor.
       
    73 // -----------------------------------------------------------------------------
       
    74 //
       
    75 CXnEffectManager::~CXnEffectManager()
       
    76     {
       
    77     GfxTransEffect::AbortFullScreen();
       
    78     iEffects.ResetAndDestroy();
       
    79     }
       
    80 
       
    81 // -----------------------------------------------------------------------------
       
    82 // CXnEffectManager::BeginControlEffectL
       
    83 // -----------------------------------------------------------------------------
       
    84 //
       
    85 void CXnEffectManager::BeginControlEffectL( TInt /*aId*/, CXnPluginData& /*aPlugin*/ )
       
    86     {
       
    87     /*
       
    88     TXnEffect* effect = new (ELeave) TXnEffect;
       
    89     CleanupStack::PushL( effect );
       
    90     effect->iId = aId;
       
    91     effect->iType = KEffectTypeControl;
       
    92     effect->iNode = aPlugin.Node()->LayoutNode();
       
    93     iEffects.AppendL( effect );
       
    94     CleanupStack::Pop( effect );
       
    95     
       
    96     if ( effect->iNode && !effect->iNode->IsLaidOut() )
       
    97         {
       
    98         effect->iState = KWaitForLayout;
       
    99         }
       
   100     else
       
   101         {
       
   102         DoBeginControlEffect( *effect );
       
   103         }
       
   104     */
       
   105     }
       
   106 
       
   107 // -----------------------------------------------------------------------------
       
   108 // CXnEffectManager::BeginControlEffectL
       
   109 // -----------------------------------------------------------------------------
       
   110 //
       
   111 void CXnEffectManager::BeginControlEffectL( TInt aId,
       
   112                 RPointerArray<CXnPluginData>& aPlugins )
       
   113     {
       
   114     TInt count = aPlugins.Count();
       
   115     for ( TInt i = 0; i < count; i++ )
       
   116         {
       
   117         BeginControlEffectL( aId, *aPlugins[i] );
       
   118         }
       
   119     }
       
   120 
       
   121 // -----------------------------------------------------------------------------
       
   122 // CXnEffectManager::BeginFullscreenEffectL
       
   123 // -----------------------------------------------------------------------------
       
   124 //
       
   125 void CXnEffectManager::BeginFullscreenEffectL( TInt aId, CXnViewData& aView )
       
   126     {
       
   127     // Only one fullscreen effect at time
       
   128     if ( EffectCount( KEffectTypeFullscreen ) != 0 )
       
   129         {
       
   130         return;
       
   131         }
       
   132     
       
   133     TXnEffect* effect = new (ELeave) TXnEffect;
       
   134     CleanupStack::PushL( effect );
       
   135     effect->iId = aId;
       
   136     effect->iType = KEffectTypeFullscreen;
       
   137     effect->iNode = aView.ViewNode();
       
   138     iEffects.AppendL( effect );
       
   139     CleanupStack::Pop( effect );
       
   140     
       
   141     if ( !aView.ViewNode()->IsLaidOut() )
       
   142         {
       
   143         effect->iState = KWaitForLayout;
       
   144         }
       
   145     else
       
   146         {
       
   147         DoBeginFullscreenEffect( *effect );
       
   148         }
       
   149     }
       
   150 
       
   151 // -----------------------------------------------------------------------------
       
   152 // CXnEffectManager::UiRendered
       
   153 // -----------------------------------------------------------------------------
       
   154 //
       
   155 void CXnEffectManager::UiRendered()
       
   156     {
       
   157     for ( TInt i = 0; i < iEffects.Count(); )
       
   158         {
       
   159         TInt count = iEffects.Count(); // for debugging
       
   160         TXnEffect* effect = iEffects[i];
       
   161         if ( effect && effect->iState == KEffectStarted )
       
   162             {
       
   163             if ( effect->iType == KEffectTypeFullscreen )
       
   164                 {
       
   165                 GfxTransEffect::EndFullScreen();
       
   166                 }
       
   167             else if ( effect->iType == KEffectTypeControl )
       
   168                 {
       
   169                 GfxTransEffect::End( effect->iNode->Control() );
       
   170                 }
       
   171             RemoveEffect( effect );
       
   172             }
       
   173         else
       
   174             {
       
   175             i++;
       
   176             }
       
   177         }
       
   178     }
       
   179 
       
   180 // -----------------------------------------------------------------------------
       
   181 // CXnEffectManager::UiLayouted
       
   182 // -----------------------------------------------------------------------------
       
   183 //
       
   184 void CXnEffectManager::UiLayouted()
       
   185     {
       
   186     TInt count = iEffects.Count();
       
   187     for ( TInt i = 0; i < count; i++ )
       
   188         {
       
   189         TXnEffect* effect = iEffects[i];
       
   190         if ( effect && effect->iNode &&
       
   191              effect->iState == KWaitForLayout &&
       
   192              effect->iNode->IsLaidOut())
       
   193             {
       
   194             if ( effect->iType == KEffectTypeFullscreen )
       
   195                 {
       
   196                 DoBeginFullscreenEffect( *effect );
       
   197                 }
       
   198             else if ( effect->iType == KEffectTypeControl )
       
   199                 {
       
   200                 DoBeginControlEffect( *effect );
       
   201                 }
       
   202             }
       
   203         }
       
   204     }
       
   205 
       
   206 // -----------------------------------------------------------------------------
       
   207 // CXnEffectManager::DoBeginFullscreenEffect
       
   208 // -----------------------------------------------------------------------------
       
   209 //
       
   210 void CXnEffectManager::DoBeginFullscreenEffect( TXnEffect& aEffect )
       
   211     {
       
   212     CCoeEnv* coe( CCoeEnv::Static() );
       
   213            
       
   214     if ( coe->WsSession().GetFocusWindowGroup() != 
       
   215          coe->RootWin().Identifier() )
       
   216         {
       
   217         // Window group is not focused
       
   218         RemoveEffect( &aEffect );
       
   219         return;
       
   220         }
       
   221 
       
   222     const TInt flags( AknTransEffect::TParameter::EActivateExplicitCancel );
       
   223     const TUid targetAppUid( iAvkonAppUi->Application()->AppDllUid() );
       
   224 
       
   225     // Set effect begin point
       
   226     GfxTransEffect::BeginFullScreen( aEffect.iId , iAvkonAppUi->ClientRect(),
       
   227         AknTransEffect::EParameterType, AknTransEffect::GfxTransParam(
       
   228         targetAppUid, flags ) );
       
   229     
       
   230     aEffect.iState = KEffectStarted;
       
   231     }
       
   232 
       
   233 // -----------------------------------------------------------------------------
       
   234 // CXnEffectManager::DoBeginControlEffect
       
   235 // -----------------------------------------------------------------------------
       
   236 //
       
   237 void CXnEffectManager::DoBeginControlEffect( TXnEffect& aEffect )
       
   238     {
       
   239     CCoeEnv* coe( CCoeEnv::Static() );
       
   240            
       
   241     if ( coe->WsSession().GetFocusWindowGroup() != 
       
   242          coe->RootWin().Identifier() )
       
   243         {
       
   244         // Window group is not focused
       
   245         RemoveEffect( &aEffect );
       
   246         return;
       
   247         }
       
   248 
       
   249     // Set effect begin point
       
   250     if ( aEffect.iNode )
       
   251         {
       
   252         GfxTransEffect::Begin( aEffect.iNode->Control() , aEffect.iId );
       
   253         aEffect.iState = KEffectStarted;
       
   254         }
       
   255     else
       
   256         {
       
   257         RemoveEffect( &aEffect );
       
   258         }
       
   259     }
       
   260 
       
   261 // -----------------------------------------------------------------------------
       
   262 // CXnEffectManager::RemoveEffect
       
   263 // -----------------------------------------------------------------------------
       
   264 //
       
   265 void CXnEffectManager::RemoveEffect( TXnEffect* aEffect )
       
   266     {
       
   267     TInt index = iEffects.Find( aEffect );
       
   268     if ( index != KErrNotFound )
       
   269         {
       
   270         TXnEffect* temp = iEffects[index];
       
   271         iEffects.Remove( index );
       
   272         delete temp;
       
   273         }
       
   274     }
       
   275 
       
   276 // -----------------------------------------------------------------------------
       
   277 // CXnEffectManager::EffectCount
       
   278 // -----------------------------------------------------------------------------
       
   279 //
       
   280 TInt CXnEffectManager::EffectCount( TInt aType )
       
   281     {
       
   282     TInt effectCount = 0;
       
   283     TInt count = iEffects.Count();
       
   284     for ( TInt i = 0; i < count; i++ )
       
   285         {
       
   286         if ( iEffects[i]->iType == aType )
       
   287             {
       
   288             effectCount++;
       
   289             }
       
   290         }
       
   291     return effectCount;
       
   292     }
       
   293 
       
   294 //  End of File