piprofiler/plugins/BUPplugin/src/BupPlugin.cpp
changeset 22 a009639409f5
child 49 7fdc9a71d314
equal deleted inserted replaced
17:67c6ff54ec25 22:a009639409f5
       
     1 /*
       
     2 * Copyright (c) 2009 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:  
       
    15 *
       
    16 */
       
    17 
       
    18  
       
    19 #include "BupPlugin.h"	
       
    20 //#include <piprofiler/EngineUIDs.h>
       
    21 
       
    22 #include <w32std.h> 	// for listening key events
       
    23 
       
    24 	
       
    25 // LITERALS
       
    26 // CONSTANTS
       
    27 const TUid KSamplerBupPluginUid = { 0x2001E5B6 };
       
    28 
       
    29 /*
       
    30  *	
       
    31  *	class CBupPlugin implementation
       
    32  * 
       
    33  */
       
    34 
       
    35 CBupPlugin* CBupPlugin::NewL(const TUid /*aImplementationUid*/, TAny* /*aInitParams*/)
       
    36 	{
       
    37 	LOGTEXT(_L("CBupPlugin::NewL() - entry"));
       
    38     CBupPlugin* self = new (ELeave) CBupPlugin();
       
    39     CleanupStack::PushL( self );
       
    40     self->ConstructL();
       
    41     CleanupStack::Pop();
       
    42 	LOGTEXT(_L("CBupPlugin::NewL() - exit"));
       
    43     return self;
       
    44 	}
       
    45 
       
    46 CBupPlugin::CBupPlugin() :
       
    47 	iVersionDescriptor(&(this->iVersion[1]),0,19), 	
       
    48 	iSamplerType(PROFILER_USER_MODE_SAMPLER)
       
    49 	{
       
    50 	iSamplerId = PROFILER_BUP_SAMPLER_ID;
       
    51     iEnabled = EFalse;
       
    52 	LOGTEXT(_L("CBupPlugin::CBupPlugin() - konstruktori"));
       
    53 	}
       
    54 
       
    55 void CBupPlugin::ConstructL() 
       
    56 	{
       
    57 	LOGTEXT(_L("CBupPlugin::ConstructL() - entry"));
       
    58 	
       
    59 	// initiate sampler attributes array
       
    60 	iSamplerAttributes = new(ELeave) CArrayFixFlat<TSamplerAttributes>(1); // only one sampler
       
    61 	
       
    62 	// insert default attributes to array
       
    63 	InitiateSamplerAttributesL();
       
    64 	
       
    65 	LOGTEXT(_L("CBupPlugin::ConstructL() - exit"));
       
    66 	}
       
    67 
       
    68 
       
    69 CBupPlugin::~CBupPlugin()
       
    70 	{
       
    71 	LOGTEXT(_L("CBupPlugin::~CBupPlugin() - entry"));
       
    72 	if(iButtonListener)
       
    73 	    {
       
    74 	    // check if button listener still running
       
    75 	    if(Enabled())
       
    76 	        {
       
    77 	        // stop profiling
       
    78 	        iButtonListener->Stop();
       
    79 	        }
       
    80         delete iButtonListener;
       
    81 	    }
       
    82 	
       
    83 	if(iSamplerAttributes)
       
    84 	    {
       
    85 	    iSamplerAttributes->Reset();
       
    86 	    }
       
    87     delete iSamplerAttributes;
       
    88 	
       
    89 	LOGTEXT(_L("CBupPlugin::~CBupPlugin() - exit"));
       
    90 	}
       
    91 
       
    92 TUid CBupPlugin::Id(TInt /*aUid*/) const
       
    93 	{
       
    94     LOGSTRING2("CBupPlugin::Id():0x%X", KSamplerBupPluginUid.iUid );
       
    95     return KSamplerBupPluginUid;
       
    96 	}
       
    97 
       
    98 void CBupPlugin::InitiateSamplerAttributesL()
       
    99     {
       
   100     // create sampler attribute container
       
   101     TSamplerAttributes attr(KSamplerBupPluginUid.iUid,
       
   102             KBUPShortName(),
       
   103             KBUPLongName(),
       
   104             KBUPDescription(),
       
   105             -1,
       
   106             ETrue,
       
   107             EFalse,
       
   108             0); // default item count
       
   109     this->iSamplerAttributes->AppendL(attr);
       
   110     }
       
   111 
       
   112 // returns setting array
       
   113 void CBupPlugin::GetAttributesL(CArrayFixFlat<TSamplerAttributes>* aAttributes)
       
   114     {
       
   115     // append my own attributes to complete array, requested by profiler engine
       
   116     aAttributes->AppendL(iSamplerAttributes->At(0));
       
   117     }
       
   118 
       
   119 TInt CBupPlugin::SetAttributesL(TSamplerAttributes aAttributes)
       
   120     {
       
   121     TSamplerAttributes attr;
       
   122 
       
   123     attr = iSamplerAttributes->At(0);
       
   124     // if UIDs match replace the old 
       
   125     if(attr.iUid == aAttributes.iUid)
       
   126         {
       
   127         // replace the old attribute container
       
   128         iSamplerAttributes->Delete(0);
       
   129         iSamplerAttributes->InsertL(0, aAttributes);
       
   130         return KErrNone;
       
   131         }
       
   132     return KErrNotFound;
       
   133     }
       
   134 
       
   135 /* 
       
   136  * Method for parsing and transforming text array settings into TSamplerAttributes (per each sub sampler),
       
   137  * called by CSamplerController class
       
   138  * 
       
   139  * @param array of raw text setting lines, e.g. [gpp]\nenabled=true\nsampling_period_ms=1\n
       
   140  */
       
   141 TInt CBupPlugin::ConvertRawSettingsToAttributes(CDesC8ArrayFlat* aAllSettingsArray)
       
   142     {
       
   143     // local literals
       
   144     _LIT8(KBUPShort, "bup");
       
   145 
       
   146     TInt err(KErrNone);
       
   147     TBuf8<16> samplerSearchName;
       
   148     samplerSearchName.Copy(KBUPShort);
       
   149     
       
   150     // get sampler specific settings  
       
   151     err = DoSetSamplerSettings(aAllSettingsArray, samplerSearchName, 0);
       
   152     
       
   153     // returns KErrNone if settings found, otherwise KErrNotFound
       
   154     return err;
       
   155     }
       
   156 
       
   157 TInt CBupPlugin::DoSetSamplerSettings(CDesC8ArrayFlat* aAllSettings, TDesC8& aSamplerName, TInt aIndex)
       
   158     {
       
   159     // 
       
   160     TBuf8<16> samplerSearch;
       
   161     samplerSearch.Copy(KBracketOpen);
       
   162     samplerSearch.Append(aSamplerName);
       
   163     samplerSearch.Append(KBracketClose);
       
   164     
       
   165     // read a line
       
   166     for (TInt i(0); i<aAllSettings->MdcaCount(); i++)
       
   167         {
       
   168         // check if this line has a setting block start, i.e. contains [xxx] in it
       
   169         if (aAllSettings->MdcaPoint(i).CompareF(samplerSearch) == 0)
       
   170             {
       
   171             // right settings block found, now loop until the next block is found
       
   172             for(TInt j(i+1);j<aAllSettings->MdcaCount();j++)
       
   173                 {
       
   174                 // check if the next settings block was found
       
   175                 if(aAllSettings->MdcaPoint(j).Left(1).CompareF(KBracketOpen) != 0)
       
   176                     {
       
   177                     // save found setting value directly to its owners attributes
       
   178                     SaveSettingToAttributes(aAllSettings->MdcaPoint(j), aIndex);
       
   179                     }
       
   180                 else
       
   181                     {
       
   182                     // next block found, return KErrNone
       
   183                     return KErrNone;
       
   184                     }
       
   185                 }
       
   186             }
       
   187         }
       
   188     
       
   189     return KErrNotFound;
       
   190     }
       
   191 
       
   192 /**
       
   193  * Method for setting a specific descriptor (from settings file) to attribute structure
       
   194  * 
       
   195  * @param aSetting  
       
   196  * @param aName  
       
   197  */
       
   198 void CBupPlugin::SaveSettingToAttributes(const TDesC8& aSetting, TInt aIndex)
       
   199     {
       
   200     // find the equal mark from the setting line
       
   201     TInt sepPos = aSetting.Find(KSettingItemSeparator);
       
   202     // check that '=' is found
       
   203     if (sepPos > 0)
       
   204         {
       
   205         // check that the element matches
       
   206         if (aSetting.Left(sepPos).CompareF(KEnabled) == 0)
       
   207             {
       
   208             TBool en;
       
   209             CSamplerPluginInterface::Str2Bool(aSetting.Right(aSetting.Length()-sepPos-1), en);
       
   210             if(iSamplerAttributes->At(aIndex).iEnabled != en)
       
   211                 {
       
   212                 iSamplerAttributes->At(aIndex).iEnabled = en;
       
   213                 }
       
   214             }
       
   215         }
       
   216     }
       
   217 
       
   218 TInt CBupPlugin::GetSamplerType()
       
   219 	{
       
   220 	return iSamplerType;
       
   221 	}
       
   222 
       
   223 TInt CBupPlugin::ResetAndActivateL(CProfilerSampleStream& aStream) 
       
   224 	{
       
   225 	LOGTEXT(_L("CBupPlugin::ResetAndActivate() - entry"));
       
   226 	TInt ret(KErrNone);
       
   227 	
       
   228 	// check if sampler enabled
       
   229 	if(iSamplerAttributes->At(0).iEnabled)
       
   230 	    {
       
   231         // create first the listener instance
       
   232         iButtonListener = CProfilerButtonListener::NewL(this);
       
   233         
       
   234         LOGTEXT(_L("CBupPlugin::ResetAndActivate() - listener created"));
       
   235         
       
   236         iStream = &aStream;
       
   237         TInt length = this->CreateFirstSample();
       
   238         iVersion[0] = (TUint8)length;
       
   239         LOGSTRING2("CBupPlugin::ResetAndActivate() - AddSample, length %d",length);
       
   240         ret = AddSample(iVersion, length+1, 0);
       
   241         if(ret != KErrNone)
       
   242             return ret;
       
   243         
       
   244         // activate button listener
       
   245         ret = iButtonListener->StartL();
       
   246 
       
   247         iEnabled = ETrue;
       
   248         
       
   249         LOGTEXT(_L("CBupPlugin::ResetAndActivate() - exit"));
       
   250 	    }
       
   251 	return ret;
       
   252 
       
   253 	}
       
   254 	
       
   255 TInt CBupPlugin::CreateFirstSample()
       
   256 	{
       
   257 	LOGTEXT(_L("CBupPlugin::CreateFirstSample - entry"));
       
   258 	this->iVersionDescriptor.Zero();
       
   259 	this->iVersionDescriptor.Append(_L8("Bappea_BUP_V"));
       
   260 	this->iVersionDescriptor.Append(PROFILER_BUP_SAMPLER_VERSION);
       
   261 	LOGTEXT(_L("CBupPlugin::CreateFirstSample - exit"));
       
   262 	return (TInt)(this->iVersionDescriptor.Length());
       
   263 	}
       
   264 
       
   265 TInt CBupPlugin::StopSampling() 
       
   266 	{
       
   267 	if(iButtonListener)
       
   268 		{
       
   269 		iButtonListener->Stop();
       
   270 		delete iButtonListener;	// delete listener after every trace
       
   271 		iButtonListener = NULL;
       
   272 		}
       
   273 	
       
   274     // set disabled
       
   275     iEnabled = EFalse;
       
   276 
       
   277 	return KErrNone;
       
   278 	}
       
   279 
       
   280 void CBupPlugin::FillThisStreamBuffer(TBapBuf* /*aBapBuf*/, TRequestStatus& /*aStatus*/)
       
   281 	{
       
   282 	}
       
   283 
       
   284 /*
       
   285  * 
       
   286  * Implementation of class CProfilerButtonListener
       
   287  * 
       
   288  */
       
   289 CProfilerButtonListener::CProfilerButtonListener(CBupPlugin* aSampler) 
       
   290 	{
       
   291 	LOGTEXT(_L("CProfilerButtonListener::CProfilerButtonListener() - konstuktori"));
       
   292 	this->iSampler = aSampler;
       
   293 	iSampleStartTime = 0;
       
   294 	LOGTEXT(_L("CProfilerButtonListener::CProfilerButtonListener() - konstuktori exit"));
       
   295 	}
       
   296 
       
   297 CProfilerButtonListener* CProfilerButtonListener::NewL(CBupPlugin* aSampler)
       
   298 	{
       
   299 	LOGTEXT(_L("CProfilerButtonListener::NewL() - entry"));
       
   300 	CProfilerButtonListener* self = new (ELeave) CProfilerButtonListener(aSampler);
       
   301 	CleanupStack::PushL( self );
       
   302 	self->ConstructL();
       
   303 	CleanupStack::Pop();
       
   304 	LOGTEXT(_L("CProfilerButtonListener::NewL() - exit"));
       
   305 	return self;
       
   306 	}
       
   307 
       
   308 CProfilerButtonListener::~CProfilerButtonListener() 
       
   309 	{
       
   310 	LOGTEXT(_L("CProfilerButtonListener::~CProfilerButtonListener() - entry af"));
       
   311 
       
   312 	if(iMainWindow)
       
   313 		{
       
   314 		LOGTEXT(_L("CProfilerButtonListener::~CProfilerButtonListener(): flushing iWs"));
       
   315 		iWs.Flush();
       
   316 		LOGTEXT(_L("CProfilerButtonListener::~CProfilerButtonListener(): finishing"));
       
   317 		}
       
   318 	delete iMainWindow;
       
   319 	LOGTEXT(_L("CProfilerButtonListener::~CProfilerButtonListener() - exit"));
       
   320 	}
       
   321 	
       
   322 void CProfilerButtonListener::ConstructMainWindowL()
       
   323 	{
       
   324     LOGTEXT(_L("CProfilerButtonListener::ConstructMainWindowL() - Entry"));
       
   325 
       
   326     CWindow* window = new (ELeave) CWindow(this);
       
   327     CleanupStack::PushL( window );
       
   328 	window->ConstructL(TRect(TPoint(0,0), TSize(0,0)));
       
   329     delete iMainWindow;
       
   330     iMainWindow = window;
       
   331     CleanupStack::Pop( window );
       
   332 	
       
   333     LOGTEXT(_L("CProfilerButtonListener::ConstructMainWindowL() - Exit"));
       
   334 	}
       
   335 
       
   336 void CProfilerButtonListener::HandleKeyEventL (TKeyEvent& /*aKeyEvent*/)
       
   337     {
       
   338     LOGTEXT(_L("CProfilerButtonListener::HandleKeyEventL() - Start"));
       
   339     LOGTEXT(_L("CProfilerButtonListener::HandleKeyEventL() - End"));
       
   340 	}
       
   341 
       
   342 
       
   343 TInt CProfilerButtonListener::RunError(TInt aError)
       
   344     {
       
   345     // get rid of everything we allocated
       
   346     // deactivate the anim dll before killing window, otherwise anim dll dies too early
       
   347     iAnim->Deactivate();
       
   348     iAnim->Close();
       
   349 
       
   350     iAnimDll->Close();
       
   351     
       
   352     return aError;
       
   353     }
       
   354 
       
   355 void CProfilerButtonListener::RunL() 
       
   356 	{	
       
   357     // resubscribe before processing new value to prevent missing updates
       
   358 	IssueRequest();
       
   359 	
       
   360 	TInt c = 0;
       
   361 	if(RProperty::Get(KProfilerKeyEventPropertyCat, EProfilerKeyEventPropertySample, c) == KErrNone)
       
   362 		{
       
   363 		// do something with event
       
   364 		LOGSTRING2("CProfilerButtonListener::RunL() - event [%d] received",c);
       
   365 	
       
   366 		iSample[0] = c;
       
   367 		iSample[1] = c >> 8;
       
   368 		iSample[2] = c >> 16;
       
   369 		iSample[3] = c >> 24;
       
   370 		
       
   371 		// Space for GPP sample time		
       
   372 		TUint32 sampleTime = User::NTickCount() - iSampleStartTime; 
       
   373 		LOGSTRING2("CProfilerButtonListener::RunL() - sample time is %d",sampleTime);
       
   374 		
       
   375 		iSample[4] = sampleTime;
       
   376 		iSample[5] = sampleTime >> 8;
       
   377 		iSample[6] = sampleTime >> 16;
       
   378 		iSample[7] = sampleTime >> 24;
       
   379 		
       
   380 		iSampler->AddSample(iSample, 8, 0xb0);
       
   381 		}
       
   382 	}
       
   383 	
       
   384 TInt CProfilerButtonListener::StartL()
       
   385 	{
       
   386 	LOGTEXT(_L("CProfilerButtonListener::StartL() - Activate touch server dll"));
       
   387 	TInt err(KErrNone);
       
   388 	
       
   389 	// get the property value
       
   390 	TInt r = RProperty::Get(KGppPropertyCat, EGppPropertySyncSampleNumber, iSampleStartTime);
       
   391 	if(r != KErrNone)
       
   392 		{
       
   393 		LOGSTRING2("CProfilerButtonListener::StartL() - getting iSyncOffset failed, error %d", r);
       
   394 		}
       
   395 	
       
   396 	iAnimDll = new (ELeave) RAnimDll(iWs);
       
   397 	LOGTEXT(_L("CProfilerButtonListener::StartL() - #1"));
       
   398 	
       
   399 	TParse* fp = new (ELeave) TParse();
       
   400 	CleanupStack::PushL(fp);
       
   401 	fp->Set( KDllName, &KDC_SHARED_LIB_DIR , NULL );    
       
   402 	LOGSTRING2("CProfilerButtonListener::StartL() - touch event server: %S" , &(fp->FullName()));
       
   403 
       
   404 	err = iAnimDll->Load(fp->FullName());
       
   405 	// check if anim dll load failed
       
   406 	if(err != KErrNone)
       
   407 	    {
       
   408         CleanupStack::PopAndDestroy(fp);
       
   409 	    // stop plugin if failed
       
   410 	    iAnimDll->Close();
       
   411 	    return KErrGeneral;
       
   412 	    }
       
   413     CleanupStack::PopAndDestroy(fp);
       
   414  	LOGTEXT(_L("CProfilerButtonListener::StartL() - #2"));
       
   415 
       
   416 	iAnim = new (ELeave) RProfilerTouchEventAnim(*iAnimDll);
       
   417  	LOGTEXT(_L("CProfilerButtonListener::StartL() - #3"));
       
   418 	iAnim->ConstructL(iMainWindow->Window());
       
   419 	
       
   420 	// activate the animation dll for collecting touch and key events
       
   421 	iAnim->Activate();
       
   422 
       
   423 	// wait for a new sample
       
   424 	IssueRequest();
       
   425 	
       
   426 	// hide this window group from the app switcher
       
   427 	iMainWindow->Client()->Group().SetOrdinalPosition(-1);
       
   428 	iMainWindow->Client()->Group().EnableReceiptOfFocus(EFalse);
       
   429 	return KErrNone;
       
   430 	}
       
   431 
       
   432 TInt CProfilerButtonListener::Stop() 
       
   433 	{
       
   434 	LOGTEXT(_L("CProfilerButtonListener::Stop() - enter"));
       
   435 	// deactivate the anim dll before killing window, otherwise anim dll dies too early
       
   436 	iAnim->Deactivate();
       
   437 	iAnim->Close();
       
   438 
       
   439 	iAnimDll->Close();
       
   440 
       
   441 	Cancel();
       
   442 	LOGTEXT(_L("CProfilerButtonListener::Stop() - exit"));
       
   443 	return KErrNone;
       
   444 	}
       
   445 
       
   446 
       
   447 ///////////////////////////////////////////////////////////////////////////////
       
   448 ////////////////////////// CWindow implementation /////////////////////////////
       
   449 ///////////////////////////////////////////////////////////////////////////////
       
   450 
       
   451 CWindow::CWindow(CWsClient* aClient)
       
   452 : iClient(aClient)
       
   453 	{
       
   454     LOGTEXT(_L("CWindow::CWindow()"));
       
   455 	}
       
   456 
       
   457 void CWindow::ConstructL (const TRect& aRect, CWindow* aParent)
       
   458 	{
       
   459 	LOGTEXT(_L("CWindow::ConstructL(): Start"));
       
   460 
       
   461 	// If a parent window was specified, use it; if not, use the window group
       
   462 	// (aParent defaults to 0).
       
   463 	RWindowTreeNode* parent= aParent ? (RWindowTreeNode*) &(aParent->Window()) : &(iClient->iGroup);
       
   464 	iWindow=RWindow(iClient->iWs); // use app's session to window server
       
   465 	User::LeaveIfError(iWindow.Construct(*parent,(TUint32)this));
       
   466 	LOGSTRING2("CWindow::ConstructL(): Start - window handle is: 0x%08x", this);
       
   467 	iRect = aRect;
       
   468 	iWindow.SetExtent(iRect.iTl, iRect.Size()); // set extent relative to group coords
       
   469 	iWindow.Activate(); // window is now active
       
   470 	LOGTEXT(_L("CWindow::ConstructL(): End"));
       
   471 	}
       
   472 
       
   473 
       
   474 CWindow::~CWindow()
       
   475 	{
       
   476     LOGTEXT(_L("CWindow::~CWindow(): Start"));
       
   477 	iWindow.Close(); // close our window
       
   478     LOGTEXT(_L("CWindow::~CWindow(): End"));
       
   479 	}
       
   480 
       
   481 RWindow& CWindow::Window()
       
   482 	{
       
   483     LOGTEXT(_L("CWindow::Window()"));
       
   484 	return iWindow;
       
   485 	}
       
   486 
       
   487 CWindowGc* CWindow::SystemGc()
       
   488 	{
       
   489     LOGTEXT(_L("CWindow::SystemGc()"));
       
   490 	return iClient->iGc;
       
   491 	}
       
   492 
       
   493 /////////////////////////////////////////////////////////////////////////////////////
       
   494 /////////////////////////// CWsClient implementation ////////////////////////////////
       
   495 /////////////////////////////////////////////////////////////////////////////////////
       
   496 CWsClient::CWsClient()
       
   497 : CActive(CActive::EPriorityStandard)
       
   498 	{
       
   499     LOGTEXT(_L("CWsClient::CWsClient()"));
       
   500 	}
       
   501 
       
   502 void CWsClient::ConstructL()
       
   503 	{
       
   504     LOGTEXT(_L("CWsClient::ConstructL() - Start"));
       
   505     TInt r = RProperty::Define(EProfilerKeyEventPropertySample, RProperty::EInt, KAllowAllPolicy, KCapabilityNone);
       
   506     if (r!=KErrAlreadyExists)
       
   507         {
       
   508         User::LeaveIfError(r);
       
   509         }
       
   510     
       
   511 	CActiveScheduler::Add(this);
       
   512 
       
   513 	// attach to 
       
   514 	User::LeaveIfError(iProperty.Attach(KProfilerKeyEventPropertyCat,EProfilerKeyEventPropertySample));
       
   515     
       
   516 	// get a session going
       
   517 	User::LeaveIfError(iWs.Connect());
       
   518 
       
   519 	// construct screen device and graphics context
       
   520 	iScreen=new (ELeave) CWsScreenDevice(iWs); // make device for this session
       
   521 	User::LeaveIfError(iScreen->Construct( 0 )); // and complete its construction
       
   522 	User::LeaveIfError(iScreen->CreateContext(iGc)); // create graphics context
       
   523 
       
   524 	// construct our one and only window group
       
   525 	iGroup=RWindowGroup(iWs);
       
   526 	User::LeaveIfError(iGroup.Construct((TInt)this, EFalse)); // meaningless handle; enable focus
       
   527 	
       
   528 	// construct main window
       
   529 	ConstructMainWindowL();
       
   530 
       
   531 	LOGTEXT(_L("CWsClient::CWsClient() - End"));
       
   532 	}
       
   533 
       
   534 CWsClient::~CWsClient()
       
   535 	{
       
   536     LOGTEXT(_L("CWsClient::~CWsClient() - Start"));
       
   537     
       
   538 	// get rid of everything we allocated
       
   539 	delete iGc;
       
   540 	delete iScreen;
       
   541 	
       
   542 	iGroup.Close();
       
   543 	// finish with window server
       
   544 	iWs.Close();
       
   545 	
       
   546     LOGTEXT(_L("CWsClient::~CWsClient() - Exit"));
       
   547 	}
       
   548 
       
   549 void CWsClient::Exit()
       
   550 	{
       
   551     LOGTEXT(_L("CWsClient::Exit() - Start"));
       
   552 
       
   553 	// destroy window group
       
   554 	iGroup.Close();
       
   555 	// finish with window server
       
   556     iProperty.Close();
       
   557 	iWs.Close();
       
   558     LOGTEXT(_L("CWsClient::Exit() - Exit"));
       
   559 	}
       
   560 
       
   561 void CWsClient::IssueRequest()
       
   562 	{
       
   563     LOGTEXT(_L("CWsClient::IssueRequest() - Start"));
       
   564     iProperty.Subscribe( iStatus );
       
   565     SetActive(); // so we're now active
       
   566     LOGTEXT(_L("CWsClient::IssueRequest() - Exit"));
       
   567 	}
       
   568 
       
   569 void CWsClient::DoCancel()
       
   570 	{
       
   571     LOGTEXT(_L("CWsClient::DoCancel() - Start"));
       
   572 	// clean up the sample property
       
   573     iProperty.Cancel();
       
   574     iProperty.Close();
       
   575     LOGTEXT(_L("CWsClient::DoCancel() - Exit"));
       
   576 	}
       
   577 
       
   578 void CWsClient::ConstructMainWindowL()
       
   579 	{
       
   580     LOGTEXT(_L("CWsClient::ConstructMainWindowL()"));
       
   581 	}
       
   582