author | jakl.martin@cell-telecom.com |
Mon, 06 Dec 2010 18:07:30 +0100 | |
branch | NewGraphicsArchitecture |
changeset 218 | 99b3451c560e |
parent 0 | 5d03bc08d59c |
permissions | -rw-r--r-- |
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// Copyright (c) 2006-2009 Nokia Corporation and/or its subsidiary(-ies). |
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// All rights reserved. |
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// This component and the accompanying materials are made available |
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// under the terms of "Eclipse Public License v1.0" |
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// which accompanies this distribution, and is available |
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// at the URL "http://www.eclipse.org/legal/epl-v10.html". |
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// |
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// Initial Contributors: |
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// Nokia Corporation - initial contribution. |
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// |
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// Contributors: |
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// |
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// Description: |
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// The plug-in provides the client side CWsGraphic instance CWsListen, which is used in |
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// GRAPHICS-WSERV-0023 and GRAPHICS-WSERV-0024. |
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// This is also used for Test Case GRAPHICS-WSERV-0058 for INC094118: CWsGraphicDrawer::SendMessage panics window server. |
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// The customer incident "INC094118" reports the failure of CWsGraphicDrawer::SendMessage(const TDesC8& aData) |
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// when the event message iEventMsg is not ready. The defect is reproduced by calling QueryPlugin(aInfo) |
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// once again to wserv plug-in side in the CWsListen::HandleMessage(const TDesC8& aData), when the event |
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// message has not yet been reset by CWsGraphic::CManager. Certainly in practice there are many other cases |
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// which could trigger the defect. |
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// The fix is added in CWsGraphicMessageQueue::Queue(CMessage* aMessage), where we check whether the iEventMsg |
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// is empty or not. As a result, if iEventMsg is not ready we do not signal event but keep message untouched in queue. |
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// nce the iEventMsg is set ready, an event is signaleed immediately if there is a waiting event and message |
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// will be popped out of the queue. |
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// The test of defect-fixing INC094118 can be enabled by initialising iTestFlag to ETrue. Setting iTestFlag to |
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// EFalse will not trigger the defect. A new test case is written to trigger the defect only once. |
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// |
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// |
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|
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/** |
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@file |
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@test |
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@internalComponent - Internal Symbian test code |
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*/ |
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#include "wslisten.h" |
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const TUid KListenerInterfaceId = {0x10281fb6}; |
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const TUid KListenerImplId = {0x10281fb7}; |
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const TUid KNotifierInterfaceId1 = {0x102754c3}; |
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const TUid KNotifierImplId1 = {0x102754c4}; |
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const TUid KNotifierInterfaceId2 = {0x102754c5}; |
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const TUid KNotifierImplId2 = {0x102754c6}; |
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const TUint8 KCmdDisable = 0; |
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const TUint8 KCmdEnable = 1; |
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const TUint8 KCmdQuery = 2; |
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EXPORT_C CWsListen* CWsListen::NewL() |
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{ |
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return NewL(EFalse); |
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} |
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EXPORT_C CWsListen* CWsListen::NewL(TBool aDisableWin) |
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{ |
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CWsListen* self = new(ELeave) CWsListen; |
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CleanupStack::PushL(self); |
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TBuf8<1> data; |
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data.Append((TUint8)aDisableWin); |
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self->BaseConstructL(KListenerInterfaceId, KListenerImplId, data); |
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CleanupStack::Pop(self); |
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//Initialise the test flag to EFalse if dont want to reproduce the INC094118 and test the fix |
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self->iTestFlag = EFalse; |
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self->iIsReady = ETrue; |
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return self; |
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} |
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EXPORT_C CWsListen::~CWsListen() |
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{ |
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iIsReady = EFalse; |
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} |
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EXPORT_C void CWsListen::SetTestFlag() |
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{ |
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//Set the test flag to ETrue if want to reproduce the INC094118 and test the fix |
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iTestFlag = ETrue; |
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} |
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void CWsListen::HandleMessage(const TDesC8& aData) |
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{ |
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if (aData[0]==KListenerInfoSig) |
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Mem::Copy(iReq, aData.Ptr(), aData.Size()); |
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//The if-statement allows to call QueryPlugin() in HandleMessage() only once to reproduce the defect INC094118. |
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//Otherwise HandleMessage() will behave as normal. |
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if (iTestFlag) |
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{ |
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TListenerInfo aInfo; |
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QueryPlugin(aInfo) ; |
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iTestFlag = EFalse; |
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} |
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else |
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{ |
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iCallBack.CallBack(); |
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} |
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} |
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void CWsListen::OnReplace() |
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{ |
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} |
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101 |
|
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EXPORT_C TInt CWsListen::Enable(TBool aEnabled) |
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103 |
{ |
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if (!iIsReady) |
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return KErrNotReady; |
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106 |
|
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TBuf8<1> cmd; |
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cmd.Append(aEnabled? KCmdEnable : KCmdDisable); |
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SendMessage(cmd); |
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return Flush(); |
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111 |
} |
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112 |
|
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EXPORT_C TInt CWsListen::QueryPlugin(TListenerInfo& aInfo) |
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114 |
{ |
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TBuf8<1> cmd; |
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cmd.Append(KCmdQuery); |
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SendMessage(cmd); |
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TInt err = Flush(); |
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if (err!=KErrNone) |
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return err; |
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iReq = &aInfo; |
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return KErrNone; |
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123 |
} |
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124 |
|
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EXPORT_C void CWsListen::SetCallBack(TCallBack aCallBack) |
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126 |
{ |
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iCallBack = aCallBack; |
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} |
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129 |
|
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EXPORT_C CWsNotify* CWsNotify::NewL() |
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131 |
{ |
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return NewL(EFalse); |
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} |
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134 |
|
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EXPORT_C CWsNotify* CWsNotify::NewL(TBool aPluginOrder) |
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136 |
{ |
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CWsNotify* self = new(ELeave) CWsNotify; |
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CleanupStack::PushL(self); |
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TBuf8<1> data; |
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data.Append(8); |
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if (!aPluginOrder) //Different IDs so 2 plugins may be registered at once |
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self->BaseConstructL(KNotifierInterfaceId1, KNotifierImplId1, data); |
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else |
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self->BaseConstructL(KNotifierInterfaceId2, KNotifierImplId2, data); |
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CleanupStack::Pop(self); |
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self->iIsReady = ETrue; |
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self->iResult = ETrue; |
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return self; |
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} |
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150 |
|
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EXPORT_C CWsNotify::~CWsNotify() |
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{ |
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iIsReady = EFalse; |
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} |
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155 |
|
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void CWsNotify::HandleMessage(const TDesC8& aData) |
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{ |
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TBuf8<100> KTesting(_L8("Error:")); |
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if(aData.Find(KTesting)!=KErrNotFound) |
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160 |
{ |
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iError.Copy(aData); |
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iResult = EFalse; |
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} |
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} |
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165 |
|
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void CWsNotify::OnReplace() |
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167 |
{ |
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168 |
} |
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169 |
|
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EXPORT_C TInt CWsNotify::SetBehaviour(TInt aType) |
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171 |
{ |
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if (!iIsReady) |
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return KErrNotReady; |
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TBuf8<1> cmd; |
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cmd.Append(aType); |
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SendMessage(cmd); |
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return Flush(); |
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} |