TB9.2 Example Applications: examples/ForumNokia/ThreadExample/src/threadappview.cpp Source File

00001 /*
+00002 * ============================================================================
+00003 *  Name     : CThreadAppView from CThreadAppView.h
+00004 *  Part of  : Thread
+00005 *  Created  : 04.02.2005 by Forum Nokia
+00006 *  Version  : 1.0
+00007 *  Copyright: Nokia Corporation
+00008 * ============================================================================
+00009 */
+00010 
+00011 // INCLUDES
+00012 #include <coemain.h>
+00013 #include "ThreadAppView.h"
+00014 #include "ThreadAnimation.h"
+00015 #include <barsread.h> //TResourceReader
+00016 #include <thread.rsg>
+00017 
+00018 #include <w32std.h>
+00019 
+00021 #define KEditorPosition TPoint(0,55) 
+00022 
+00023 CThreadAppView* CThreadAppView::NewL(const TRect& aRect)
+00024     {
+00025     CThreadAppView* self = CThreadAppView::NewLC(aRect);
+00026     CleanupStack::Pop(self);
+00027     return self;
+00028     }
+00029 
+00030 CThreadAppView* CThreadAppView::NewLC(const TRect& aRect)
+00031     {
+00032     CThreadAppView* self = new (ELeave) CThreadAppView;
+00033     CleanupStack::PushL(self);
+00034     self->ConstructL(aRect);
+00035     return self;
+00036     }
+00037 
+00038 // ----------------------------------------------------------------------------
+00039 // CThreadAppView::CThreadAppView()
+00040 //
+00041 // constructor
+00042 // ----------------------------------------------------------------------------
+00043 CThreadAppView::CThreadAppView()
+00044     {
+00045     }
+00046 
+00047 // ----------------------------------------------------------------------------
+00048 // CThreadAppView::~CThreadAppView()
+00049 //
+00050 // destructor
+00051 // ----------------------------------------------------------------------------
+00052 CThreadAppView::~CThreadAppView()
+00053     {
+00054     delete iRte;
+00055 
+00056     //delete all animations
+00057     delete iAnimationOne;
+00058 
+00059     delete iAnimationTwo;
+00060 
+00061     delete iAnimationThree;
+00062     }
+00063 
+00064 // ----------------------------------------------------------------------------
+00065 // CThreadAppView::ConstructL(const TRect& aRect)
+00066 //
+00067 // Standard EPOC 2nd phase constructor
+00068 // ----------------------------------------------------------------------------
+00069 void CThreadAppView::ConstructL(const TRect& aRect)
+00070     {
+00071     // Create a window for this application view
+00072     CreateWindowL();
+00073 
+00074     //instantiate rich text editor
+00075     iRte = CRichTextEditorRTE::NewL(*this);
+00076         
+00077     // Set the windows size
+00078     SetRect(aRect);
+00079     
+00080     // Activate the window, which makes it ready to be drawn
+00081     ActivateL();
+00082 
+00083     //Reads an animation resource from a resource file 
+00084     TResourceReader reader;
+00085     iCoeEnv->CreateResourceReaderLC(reader, R_ANIMATION_THREAD_ONE_DATA);
+00086 
+00087     //create animation based on reader 
+00088     iAnimationOne = CThreadAnimation::NewL(reader, Window());
+00089     CleanupStack::PopAndDestroy(); //reader
+00090 
+00091     TResourceReader readerTwo;
+00092     iCoeEnv->CreateResourceReaderLC(readerTwo, R_ANIMATION_THREAD_TWO_DATA); 
+00093     iAnimationTwo = CThreadAnimation::NewL(readerTwo, Window());
+00094     CleanupStack::PopAndDestroy(); //readerTwo
+00095 
+00096     TResourceReader readerThree;
+00097     iCoeEnv->CreateResourceReaderLC(readerThree, R_ANIMATION_THREAD_THREE_DATA);
+00098     iAnimationThree = CThreadAnimation::NewL(readerThree, Window());
+00099     CleanupStack::PopAndDestroy(); //readerThree
+00100     }
+00101 
+00102 // ----------------------------------------------------------------------------
+00103 // CThreadAppView::DrawText(const TDesC& aText)
+00104 //
+00105 // Draw text on the screen, uses rich text editor.
+00106 // ----------------------------------------------------------------------------
+00107 void CThreadAppView::DrawText(const TDesC& aText)
+00108     {
+00109     iRte->AddTextL(aText);
+00110     }
+00111 
+00112 // ----------------------------------------------------------------------------
+00113 // CThreadAppView::Draw(const TRect& aRect) const
+00114 //
+00115 // Draw this application's view to the screen
+00116 // ----------------------------------------------------------------------------
+00117 void CThreadAppView::Draw(const TRect& aRect) const
+00118     {
+00119     // Get the standard graphics context 
+00120     CWindowGc& gc = SystemGc();
+00121     gc.Clear(aRect);
+00122     }
+00123 
+00124 // ----------------------------------------------------------------------------
+00125 // CThreadAppView::SizeChanged()
+00126 //
+00127 // called by framework when the view size is changed
+00128 // ----------------------------------------------------------------------------
+00129 void CThreadAppView::SizeChanged()
+00130     {
+00131     iRte->SetExtent(KEditorPosition, Window().Size());    
+00132     }
+00133 
+00134 // ----------------------------------------------------------------------------
+00135 // TInt CThreadAppView::CountComponentControls() const
+00136 //
+00137 // Called by the framework in compound controls 
+00138 // ----------------------------------------------------------------------------
+00139 TInt CThreadAppView::CountComponentControls() const
+00140     {
+00141     return 1; // return number of controls inside this container
+00142     }
+00143 
+00144 // ----------------------------------------------------------------------------
+00145 // CCoeControl* CThreadAppView::ComponentControl(TInt aIndex) const
+00146 //
+00147 // Called by the framework in compound controls 
+00148 // ----------------------------------------------------------------------------
+00149 CCoeControl* CThreadAppView::ComponentControl(TInt aIndex) const
+00150     {
+00151     switch (aIndex)
+00152         {
+00153     case 0:
+00154         return iRte;
+00155     default:
+00156         return NULL;
+00157         }
+00158     }
+00159 
+00160 // ----------------------------------------------------------------------------
+00161 // TKeyResponse CThreadAppView::OfferKeyEventL(const TKeyEvent& aKeyEvent,
+00162 //              TEventCode aType)
+00163 //
+00164 // Called by the framework whenever a key event occurs. 
+00165 // Passes the key event to the editor if it is not null, otherwise returns
+00166 // EKeyWasNotConsumed
+00167 // ----------------------------------------------------------------------------
+00168 TKeyResponse CThreadAppView::OfferKeyEventL(const TKeyEvent& aKeyEvent,TEventCode aType)
+00169     {
+00170     if (iRte)
+00171         {
+00172         return iRte->OfferKeyEventL(aKeyEvent, aType);
+00173         }
+00174     else 
+00175         {
+00176         return CCoeControl::OfferKeyEventL(aKeyEvent, aType);
+00177         }
+00178     }
+