|
1 /* |
|
2 * Copyright (c) 2002-2005 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: Helper class for idle wait |
|
15 * |
|
16 */ |
|
17 |
|
18 |
|
19 // INCLUDE FILES |
|
20 #include "CCAIdleWait.h" |
|
21 #include "ChatDefinitions.h" |
|
22 #include "ChatDebugPrint.h" |
|
23 |
|
24 // ================= MEMBER FUNCTIONS ======================= |
|
25 |
|
26 // --------------------------------------------------------- |
|
27 // CCAIdleWait::IdleWaitL() |
|
28 // --------------------------------------------------------- |
|
29 // |
|
30 void CCAIdleWait::IdleWaitL( const TInt* aCallbackFlag /* = NULL */ ) |
|
31 { |
|
32 CHAT_DP_FUNC_ENTER( "CCAIdleWait::IdleWaitL" ); |
|
33 CCAIdleWait* wait = new( ELeave )CCAIdleWait( aCallbackFlag ); |
|
34 CleanupStack::PushL( wait ); |
|
35 wait->DoIdleWaitL(); |
|
36 CleanupStack::PopAndDestroy( wait ); |
|
37 CHAT_DP_FUNC_ENTER( "CCAIdleWait::Done" ); |
|
38 } |
|
39 |
|
40 // --------------------------------------------------------- |
|
41 // Constructor |
|
42 // --------------------------------------------------------- |
|
43 // |
|
44 CCAIdleWait::CCAIdleWait( const TInt* aCallbackFlag ) |
|
45 : iCallbackFlag( aCallbackFlag ) |
|
46 { |
|
47 } |
|
48 |
|
49 // --------------------------------------------------------- |
|
50 // Destructor |
|
51 // --------------------------------------------------------- |
|
52 // |
|
53 CCAIdleWait::~CCAIdleWait() |
|
54 { |
|
55 CHAT_DP_FUNC_ENTER( "CCAIdleWait::~CCAIdleWait" ); |
|
56 DoIdleStop(); |
|
57 delete iIdle; |
|
58 CHAT_DP_FUNC_DONE( "CCAIdleWait::~CCAIdleWait" ); |
|
59 } |
|
60 |
|
61 // --------------------------------------------------------- |
|
62 // CCAIdleWait::DoIdleWaitL() |
|
63 // --------------------------------------------------------- |
|
64 // |
|
65 void CCAIdleWait::DoIdleWaitL() |
|
66 { |
|
67 CHAT_DP_FUNC_ENTER( "CCAIdleWait::DoIdleWaitL" ); |
|
68 // create the idle callback |
|
69 iIdle = CIdle::NewL( CActive::EPriorityIdle ); |
|
70 iIdle->Start( TCallBack( Callback, this ) ); |
|
71 |
|
72 // and wait for completion |
|
73 // not a active object hence codescanner warning can be ignored |
|
74 if ( ! iWait.IsStarted() ) |
|
75 { |
|
76 iWait.Start(); // CSI: 10 # iWait is not an active object |
|
77 } |
|
78 CHAT_DP_FUNC_DONE( "CCAIdleWait::DoIdleWaitL" ); |
|
79 } |
|
80 |
|
81 // --------------------------------------------------------- |
|
82 // CCAIdleWait::DoIdleStop() |
|
83 // --------------------------------------------------------- |
|
84 // |
|
85 void CCAIdleWait::DoIdleStop() |
|
86 { |
|
87 CHAT_DP_FUNC_ENTER( "CCAIdleWait::DoIdleStop" ); |
|
88 if ( iWait.IsStarted() ) |
|
89 { |
|
90 iWait.AsyncStop(); |
|
91 } |
|
92 CHAT_DP_FUNC_DONE( "CCAIdleWait::DoIdleStop" ); |
|
93 } |
|
94 |
|
95 // ----------------------------------------------------------------------------- |
|
96 // CCAIdleWait::Callback |
|
97 // ----------------------------------------------------------------------------- |
|
98 // |
|
99 TBool CCAIdleWait::Callback( TAny* aInstance ) |
|
100 { |
|
101 CHAT_DP_FUNC_ENTER( "CCAIdleWait::Callback" ); |
|
102 CCAIdleWait* wait = static_cast<CCAIdleWait*>( aInstance ); |
|
103 // stop the waiting |
|
104 const TInt* flag = wait->iCallbackFlag; |
|
105 if ( flag ) |
|
106 { |
|
107 if ( *flag ) |
|
108 { |
|
109 // Continue waiting. |
|
110 return ETrue; |
|
111 } |
|
112 } |
|
113 wait->DoIdleStop(); |
|
114 CHAT_DP_FUNC_DONE( "CCAIdleWait::Callback" ); |
|
115 return EFalse; |
|
116 } |
|
117 |
|
118 // End of File |