|
1 // Copyright (c) 1997-2009 Nokia Corporation and/or its subsidiary(-ies). |
|
2 // All rights reserved. |
|
3 // This component and the accompanying materials are made available |
|
4 // under the terms of "Eclipse Public License v1.0" |
|
5 // which accompanies this distribution, and is available |
|
6 // at the URL "http://www.eclipse.org/legal/epl-v10.html". |
|
7 // |
|
8 // Initial Contributors: |
|
9 // Nokia Corporation - initial contribution. |
|
10 // |
|
11 // Contributors: |
|
12 // |
|
13 // Description: |
|
14 // CEikShutter |
|
15 // |
|
16 // |
|
17 |
|
18 #include "EIKSHUT.H" |
|
19 #include <eikenv.h> |
|
20 #include <eikappui.h> |
|
21 #include <basched.h> |
|
22 #include <coemain.h> |
|
23 #include <uikon.hrh> |
|
24 |
|
25 const TUid KEikShutterSingletonUid = {0x1028306A}; |
|
26 |
|
27 NONSHARABLE_CLASS(CLocalScheduler) : public CBaActiveScheduler |
|
28 { |
|
29 public: |
|
30 inline TInt PublicLevel() const { return Level(); } |
|
31 }; |
|
32 |
|
33 const TInt KMaxNumEscKeysToSend=50; |
|
34 |
|
35 void CEikShutter::DeferredExecuteL(CEikonEnv& aEikEnv) |
|
36 { |
|
37 if(aEikEnv.FindStatic(KEikShutterSingletonUid)) |
|
38 return; // a shutter is already invoked with the intention of closing this app |
|
39 |
|
40 new(ELeave) CEikShutter(aEikEnv, KNullUid, NULL); |
|
41 } |
|
42 |
|
43 void CEikShutter::DeferredExecuteL(CEikonEnv& aEikEnv, TUid aMessageUid, const TDesC8& aMessageParameters) |
|
44 { |
|
45 if(aEikEnv.FindStatic(KEikShutterSingletonUid)) |
|
46 return; // a shutter is already invoked with the intention of closing this app |
|
47 |
|
48 new(ELeave) CEikShutter(aEikEnv, aMessageUid, aMessageParameters.AllocLC()); |
|
49 CleanupStack::Pop(); // aMessageParameters.AllocLC() |
|
50 } |
|
51 |
|
52 CEikShutter::CEikShutter(CEikonEnv& aEikEnv, TUid aMessageUid, HBufC8* aMessageParameters) |
|
53 :CActive(EActivePriorityWsEvents+1), CCoeStatic(KEikShutterSingletonUid, CCoeStatic::EThread), |
|
54 iEikEnv(aEikEnv), |
|
55 iMessageUid(aMessageUid), |
|
56 iMessageParameters(aMessageParameters), |
|
57 iFlags(0), |
|
58 iCount(0), |
|
59 iStartLevel(StartLevel()) |
|
60 { |
|
61 CActiveScheduler::Add(this); |
|
62 Queue(); |
|
63 } |
|
64 |
|
65 TInt CEikShutter::StartLevel() |
|
66 { |
|
67 return ((CLocalScheduler*)CActiveScheduler::Current())->PublicLevel(); |
|
68 } |
|
69 |
|
70 CEikShutter::~CEikShutter() |
|
71 { |
|
72 Cancel(); |
|
73 delete iMessageParameters; |
|
74 } |
|
75 |
|
76 void CEikShutter::DoCancel() |
|
77 { |
|
78 } |
|
79 |
|
80 void CEikShutter::Queue() |
|
81 { |
|
82 TRequestStatus *pS=(&iStatus); |
|
83 User::RequestComplete(pS,0); |
|
84 SetActive(); |
|
85 } |
|
86 |
|
87 void CEikShutter::Terminate() |
|
88 { |
|
89 if (iFlags&ETryingToTerminateApp) |
|
90 { |
|
91 Cancel(); |
|
92 iFlags|=EDestroySelfPending; |
|
93 } |
|
94 else |
|
95 delete this; |
|
96 } |
|
97 |
|
98 void CEikShutter::RunL() |
|
99 { |
|
100 if (iCount++>KMaxNumEscKeysToSend) |
|
101 { |
|
102 Terminate(); |
|
103 return; |
|
104 } |
|
105 TInt startLevel=StartLevel(); |
|
106 if (startLevel>iStartLevel) |
|
107 { |
|
108 Terminate(); |
|
109 return; |
|
110 } |
|
111 iStartLevel=startLevel; |
|
112 CEikAppUi* appUi=iEikEnv.EikAppUi(); |
|
113 const TBool displayingDialog=appUi->IsDisplayingDialog(); |
|
114 if (appUi->IsDisplayingMenuOrDialog() && (displayingDialog || !(iFlags&ETriedDismissMenu))) |
|
115 { |
|
116 if (!displayingDialog) |
|
117 { |
|
118 iFlags|=ETriedDismissMenu; |
|
119 } |
|
120 Queue(); // before any call to CActiveScheduler::Start() from below |
|
121 TKeyEvent key; |
|
122 key.iCode=EKeyEscape; |
|
123 key.iScanCode=0; |
|
124 key.iModifiers=0; |
|
125 key.iRepeats=0; |
|
126 iEikEnv.SimulateKeyEventL(key,EEventKey); |
|
127 } |
|
128 else if (appUi->ContainerAppUi() || (iMessageParameters==NULL)) |
|
129 { |
|
130 iFlags&=~ETriedDismissMenu; |
|
131 Queue(); // before any call to CActiveScheduler::Start() from below |
|
132 iFlags |= ETryingToTerminateApp; |
|
133 TRAPD(error, appUi->HandleCommandL(EEikCmdExit)); // will leave when really exits |
|
134 |
|
135 iFlags &= ~ETryingToTerminateApp; |
|
136 User::LeaveIfError(error); |
|
137 if (iFlags&EDestroySelfPending) |
|
138 { |
|
139 iFlags&=~EDestroySelfPending; |
|
140 delete this; |
|
141 return; |
|
142 } |
|
143 } |
|
144 else |
|
145 { // don't call Queue() in this case, else crash if switch files throws up dialog with wait |
|
146 appUi->ProcessMessageL(iMessageUid, *iMessageParameters); |
|
147 Terminate(); |
|
148 return; |
|
149 } |
|
150 } |
|
151 |
|
152 TInt CEikShutter::RunError(TInt aError) |
|
153 { |
|
154 Terminate(); |
|
155 return aError; |
|
156 } |