|
1 /* |
|
2 * Copyright (c) 2007 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: This class is an adaptation class that is instantiated |
|
15 * by the application framework, and that instantiates the |
|
16 * actual Tactile Feedback Client implementation. |
|
17 * Part of: Tactile Feedback. |
|
18 * |
|
19 */ |
|
20 |
|
21 #include <e32std.h> |
|
22 #include <eikenv.h> |
|
23 #include <coecntrl.h> |
|
24 |
|
25 #include <tactilefeedbacktrace.h> |
|
26 #include <touchfeedbackadaptation.h> |
|
27 |
|
28 #include "touchfeedbackclient.h" |
|
29 #include "touchfeedbackimpl.h" |
|
30 |
|
31 // ======== MEMBER FUNCTIONS ======== |
|
32 |
|
33 // --------------------------------------------------------------------------- |
|
34 // Constructor. |
|
35 // --------------------------------------------------------------------------- |
|
36 // |
|
37 CTouchFeedbackAdaptation::CTouchFeedbackAdaptation() |
|
38 { |
|
39 } |
|
40 |
|
41 // --------------------------------------------------------------------------- |
|
42 // 2nd phase constructor. |
|
43 // --------------------------------------------------------------------------- |
|
44 // |
|
45 void CTouchFeedbackAdaptation::ConstructL() |
|
46 { |
|
47 TRACE("CTouchFeedbackAdaptation::ConstructL - Begin"); |
|
48 |
|
49 iTouchFeedback = CTouchFeedbackImpl::New(); |
|
50 |
|
51 TRACE("CTouchFeedbackAdaptation::ConstructL - End"); |
|
52 } |
|
53 |
|
54 |
|
55 // --------------------------------------------------------------------------- |
|
56 // We store ourselves to the thread local storage here. The instance is |
|
57 // accessible to clients via Instance -function. |
|
58 // --------------------------------------------------------------------------- |
|
59 // |
|
60 EXPORT_C CTouchFeedbackAdaptation* CTouchFeedbackAdaptation::NewL() |
|
61 { |
|
62 CTouchFeedbackAdaptation* self = new( ELeave ) CTouchFeedbackAdaptation; |
|
63 CleanupStack::PushL( self ); |
|
64 self->ConstructL(); |
|
65 |
|
66 // Store ourselves to thread local storage |
|
67 User::LeaveIfError( Dll::SetTls( self ) ); |
|
68 |
|
69 CleanupStack::Pop( self ); |
|
70 return self; |
|
71 } |
|
72 |
|
73 // --------------------------------------------------------------------------- |
|
74 // Destructor. |
|
75 // --------------------------------------------------------------------------- |
|
76 // |
|
77 CTouchFeedbackAdaptation::~CTouchFeedbackAdaptation() |
|
78 { |
|
79 delete iTouchFeedback; |
|
80 Dll::SetTls( NULL ); |
|
81 } |
|
82 |
|
83 // --------------------------------------------------------------------------- |
|
84 // Retrieve instance from thread local storage |
|
85 // --------------------------------------------------------------------------- |
|
86 // |
|
87 MTouchFeedback* CTouchFeedbackAdaptation::GetInstance() |
|
88 { |
|
89 TAny* selfPtr = Dll::Tls(); |
|
90 |
|
91 CTouchFeedbackAdaptation* self = |
|
92 static_cast<CTouchFeedbackAdaptation*>( selfPtr ); |
|
93 |
|
94 if ( self ) |
|
95 { |
|
96 return self->iTouchFeedback; |
|
97 } |
|
98 else |
|
99 { |
|
100 return NULL; |
|
101 } |
|
102 } |
|
103 |
|
104 // --------------------------------------------------------------------------- |
|
105 // Create new instance and return it to caller |
|
106 // |
|
107 // We must have check for the case where client calls this even though |
|
108 // instance exists already (in this case we only return the existing |
|
109 // instance). |
|
110 // --------------------------------------------------------------------------- |
|
111 // |
|
112 MTouchFeedback* CTouchFeedbackAdaptation::CreateInstanceL() |
|
113 { |
|
114 // Use current instance if it exists |
|
115 MTouchFeedback* feedback = GetInstance(); |
|
116 |
|
117 // If current instance does not exist, then create a new one |
|
118 if ( !feedback ) |
|
119 { |
|
120 CTouchFeedbackAdaptation* tmp = NewL(); |
|
121 |
|
122 feedback = tmp->GetInstance(); |
|
123 } |
|
124 |
|
125 return feedback; |
|
126 } |
|
127 |
|
128 // --------------------------------------------------------------------------- |
|
129 // Destroy ourselves if we are found at thread local storage (tls) |
|
130 // |
|
131 // Notice that tls content does not need to be zeroed because that is already |
|
132 // done in the destructor. |
|
133 // --------------------------------------------------------------------------- |
|
134 // |
|
135 void CTouchFeedbackAdaptation::DestroyInstance() |
|
136 { |
|
137 TAny* selfPtr = Dll::Tls(); |
|
138 |
|
139 CTouchFeedbackAdaptation* self = |
|
140 static_cast<CTouchFeedbackAdaptation*>( selfPtr ); |
|
141 |
|
142 if ( self ) |
|
143 { |
|
144 delete self; |
|
145 } |
|
146 } |
|
147 |
|
148 // --------------------------------------------------------------------------- |
|
149 // Empty implementation, as this function is no longer in use. |
|
150 // (Control visibility changes now handled in HandleControlStateChange) |
|
151 // --------------------------------------------------------------------------- |
|
152 // |
|
153 EXPORT_C void CTouchFeedbackAdaptation::ControlVisibilityChanged( |
|
154 const CCoeControl* /*aControl*/ ) |
|
155 { |
|
156 } |
|
157 |
|
158 // --------------------------------------------------------------------------- |
|
159 // Nothing to do here, just pass the information to implementation. |
|
160 // --------------------------------------------------------------------------- |
|
161 // |
|
162 EXPORT_C void CTouchFeedbackAdaptation::LayoutChanged( ) |
|
163 { |
|
164 if ( iTouchFeedback ) |
|
165 { |
|
166 iTouchFeedback->LayoutChanged(); |
|
167 } |
|
168 } |
|
169 |
|
170 // --------------------------------------------------------------------------- |
|
171 // From class MObjectProvider. |
|
172 // We have to implement this because it is pure virtual in base class. |
|
173 // Return Null as we are not actually part of object provider hierarchy. |
|
174 // --------------------------------------------------------------------------- |
|
175 TTypeUid::Ptr CTouchFeedbackAdaptation::MopSupplyObject( TTypeUid /*aId*/ ) |
|
176 { |
|
177 return TTypeUid::Null(); |
|
178 } |
|
179 |
|
180 // --------------------------------------------------------------------------- |
|
181 // From class MCoeControlStateObserver. |
|
182 // Here we just pass the information about control state change ahead to |
|
183 // actual feedback implementation. |
|
184 // --------------------------------------------------------------------------- |
|
185 TInt CTouchFeedbackAdaptation::HandleControlStateChange( |
|
186 CCoeControl* aControl, |
|
187 TCoeState /*aState*/ ) |
|
188 { |
|
189 if ( iTouchFeedback ) |
|
190 { |
|
191 iTouchFeedback->ControlVisibilityChanged( aControl ); |
|
192 } |
|
193 |
|
194 return KErrNone; |
|
195 } |
|
196 |
|
197 |
|
198 |