examples/AppFramework/AnimExample/Anim_AppView.cpp

/*
Copyright (c) 2006-2010 Nokia Corporation and/or its subsidiary(-ies). All rights reserved.

Redistribution and use in source and binary forms, with or without
modification, are permitted provided that the following conditions are met:

* Redistributions of source code must retain the above copyright notice, this
  list of conditions and the following disclaimer.
* Redistributions in binary form must reproduce the above copyright notice,
  this list of conditions and the following disclaimer in the documentation
  and/or other materials provided with the distribution.
* Neither the name of Nokia Corporation nor the names of its contributors
  may be used to endorse or promote products derived from this software
  without specific prior written permission.

THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.

Description:  
*/

#include "AnimExample.h"

CAnimationAppView::CAnimationAppView()
        {
        }

CAnimationAppView* CAnimationAppView::NewL(const TRect& aRect)
        {
        CAnimationAppView* self = new(ELeave) CAnimationAppView();
        CleanupStack::PushL(self);
        self->ConstructL(aRect);
        CleanupStack::Pop();
        return self;
        }

CAnimationAppView::~CAnimationAppView()
        {
        delete iAnimTestText;
        delete iSpriteAnim;
        delete iBasicAnim;
        
        if( iSpriteAnimMover )
                {
                iSpriteAnimMover->Cancel();     
                delete iSpriteAnimMover;
                }
                        
        if( iBasicAnimMover )
                {
                iBasicAnimMover->Cancel();      
                delete iBasicAnimMover;
                }               
        }

// Standard initialisation for a window-owning control.
void CAnimationAppView::ConstructL( const TRect& aRect )
    {
    
        // Fetch the text from the resource file.
        iAnimTestText = iEikonEnv->AllocReadResourceL( R_EXAMPLE_TEXT_BASICANIM );
        
        // The control is window-owning.
        CreateWindowL();
   
        // Extent of the control.
        SetRect(aRect);
   
        // The control is ready to draw, so notify the UI framework.
        ActivateL();
        }


void CAnimationAppView::ProduceSpriteAnimL()
        {
        
        // Simple sprite animation
        CICLAnimationDataProvider* spriteDataProvider = new (ELeave)CICLAnimationDataProvider;
        CleanupStack::PushL( spriteDataProvider );
        spriteDataProvider->SetFileL( iEikonEnv->FsSession(), KAnimExStopWatch() );
        CleanupStack::Pop( spriteDataProvider );
        
        iSpriteAnim = CSpriteAnimation::NewL( spriteDataProvider,TPoint(KAnimExSpritePositionX, KAnimExSpritePositionY), iEikonEnv->WsSession(), Window() );
        
        TAnimationConfig config;
        config.iFlags = TAnimationConfig::ELoop;
        config.iData = -1;
        
        iSpriteAnim->Start( config );
        }

void CAnimationAppView::ProduceBasicAnimL()
        {

        TAnimationConfig config;
        config.iFlags = TAnimationConfig::ELoop;
        config.iData = -1;

        // The basic animation. Drawn in ::Draw()
        CICLAnimationDataProvider* basicDataProvider = new (ELeave)CICLAnimationDataProvider;
        CleanupStack::PushL( basicDataProvider );
        basicDataProvider->SetFileL( iEikonEnv->FsSession(), KAnimExStopWatch() );

        CleanupStack::Pop( basicDataProvider );
        
        iBasicAnim = CBasicAnimation::NewL( basicDataProvider,TPoint( KAnimExBasicPositionX, KAnimExBasicPositionY ), iEikonEnv->WsSession(), Window() );
                
        iBasicAnim->Start( config );    
        }

void CAnimationAppView::MoveAnimsL()
        {
        
        if( iSpriteAnimMover )
                {
                iSpriteAnimMover->Cancel();     
                delete iSpriteAnimMover;
                iSpriteAnimMover = NULL;        
                }
                        
        iSpriteAnimMover = new (ELeave) CSpriteAnimMover( EPriorityNormal, KspriteInterval, iSpriteAnim );
        

        if( iBasicAnimMover )
                {
                iBasicAnimMover->Cancel();      
                delete iBasicAnimMover;
                iBasicAnimMover = NULL; 
                }
                        
        iBasicAnimMover = new (ELeave) CBasicAnimMover( EPriorityNormal, KBasicInterval, iBasicAnim );

        }

void CAnimationAppView::DoSpriteAnimOperationL( TAnimOperation aOperation )
        {
        
        if( !iSpriteAnim )
                {       
                iEikonEnv->InfoMsg( _L("Not Initialised") );
                return;
                }
                
                switch( aOperation )
                {
                
                case EAnimPause:
                        iSpriteAnim->Pause();
                        break;
                
                case EAnimResume:
                        iSpriteAnim->Resume();
                        break;
        
                case EAnimStop: 
                        iSpriteAnim->Stop();
                        break;
                
                default:
                        break;
                        
                }
                
        }
        
        
void CAnimationAppView::DoBasicAnimOperationL( TAnimOperation aOperation )
        {
        
        if( !iBasicAnim )
                {       
                iEikonEnv->InfoMsg( _L("Not Initialised") );
                return;
                }
                
                switch( aOperation )
                {
                case EAnimPause:
                        iBasicAnim->Pause();
                        break;
                
                case EAnimResume:
                        iBasicAnim->Resume();
                        break;
                
                case EAnimStop: 
                        iBasicAnim->Stop();
                        break;
                
                default:
                        break;  
                }
                
        }


 // Delete the current anims and movers, if instantiated. 
 // Redraw the window after deleting a CBasicAnimation and call Invalidate()
           
void CAnimationAppView::ResetSpriteAnimAndMover()
        {
        
        if( iSpriteAnimMover )
                {
                iSpriteAnimMover->Cancel();     
                delete iSpriteAnimMover;
                iSpriteAnimMover = NULL;        
                }
                        
        if( iSpriteAnim )
                {
                iSpriteAnim->Stop();
                delete iSpriteAnim;     
                iSpriteAnim = NULL;
                }
        }
        
void CAnimationAppView::ResetBasicAnimAndMover()
        {
        if( iBasicAnimMover )
                {
                iBasicAnimMover->Cancel();      
                delete iBasicAnimMover;
                iBasicAnimMover = NULL; 
                }
                                        
        if( iBasicAnim )
                {
                iBasicAnim->Stop();
                delete iBasicAnim;      
                iBasicAnim = NULL;
                
                Window().Invalidate();
                }
                
        }
        
    
// Draw the view
void CAnimationAppView::Draw(const TRect& /*aRect*/) const
        {
        
        // Window graphics context
        CWindowGc& gc = SystemGc();
        
        // Area in which we shall draw
        TRect drawRect = Rect();
        
        // Font used for drawing text
        const CFont*  fontUsed;
        
        // Clear the screen
        gc.Clear();
        
        // Use the title font supplied by the UI
        fontUsed = iEikonEnv->TitleFont();
        gc.UseFont( fontUsed );

        // Draw the text in the rectangle       
        TInt   baselineOffset=( drawRect.Height() - fontUsed->HeightInPixels() ); 
        gc.DrawText( *iAnimTestText,drawRect,0 + fontUsed->HeightInPixels(),CGraphicsContext::ECenter, 0 );
        
        gc.DrawText(  KAnimExBasicLabel, drawRect, baselineOffset - KBasicOffset, CGraphicsContext::ECenter, 0 );
        

        // CBasicAnimations need to be drawn by us.
        if( iBasicAnim )
                {
                iBasicAnim->Draw( gc ); 
                }

        gc.DrawText( KAnimExSpriteLabel, drawRect, baselineOffset - KSpriteOffset, CGraphicsContext::ELeft, 0 );        
        
        // Discard the font.
        gc.DiscardFont();
        }
        

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