|
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: Extensions can be added to AlfEnv through this class. |
|
15 Currently resourcepool,widgetfactory can be added as extensions to AlfEnv. |
|
16 * |
|
17 */ |
|
18 |
|
19 |
|
20 #include <alf/alfenv.h> |
|
21 #include <alf/alfenvobject.h> |
|
22 #include <alf/alfresourcepool.h> |
|
23 |
|
24 #include <osn/osnnew.h> |
|
25 #include <alf/alfwidgetexception.h> |
|
26 #include <alf/alfwidgetenvextension.h> |
|
27 |
|
28 #include <alf/alfwidgetfactoryloader.h> |
|
29 #include <alf/ialfwidgetfactory.h> |
|
30 namespace Alf |
|
31 { |
|
32 const int KAlfExtensionResourcePoolUid( 89 ); // Bogus id for resource |
|
33 // pool extension |
|
34 |
|
35 const int KAlfExtensionWidgetFactoryUid( 106 ); // Bogus id for widget |
|
36 // factory extension |
|
37 |
|
38 // Env extension for the resource pool |
|
39 class AlfExtensionResourcePoolContainer : public MAlfEnvObject |
|
40 { |
|
41 public: |
|
42 |
|
43 AlfExtensionResourcePoolContainer( ResourcePool* aResourcePool) : |
|
44 mResourcePool(aResourcePool ) |
|
45 { |
|
46 } |
|
47 |
|
48 virtual void Release() |
|
49 { |
|
50 delete this; |
|
51 } |
|
52 |
|
53 ~AlfExtensionResourcePoolContainer() |
|
54 { |
|
55 delete mResourcePool; |
|
56 } |
|
57 // Owned |
|
58 ResourcePool* mResourcePool; |
|
59 }; |
|
60 |
|
61 |
|
62 // Env extension for the widget factory |
|
63 class AlfExtensionWidgetFactory : public MAlfEnvObject |
|
64 { |
|
65 public: |
|
66 |
|
67 AlfExtensionWidgetFactory( |
|
68 AlfWidgetFactoryLoader* amWidgetFactoryLoader, |
|
69 IAlfWidgetFactory* aWidgetFactory) : |
|
70 mWidgetFactoryLoader( amWidgetFactoryLoader ), |
|
71 mWidgetFactory( aWidgetFactory ) |
|
72 { |
|
73 } |
|
74 |
|
75 virtual void Release() |
|
76 { |
|
77 delete this; |
|
78 } |
|
79 |
|
80 ~AlfExtensionWidgetFactory() |
|
81 { |
|
82 delete mWidgetFactoryLoader; |
|
83 } |
|
84 // Owned |
|
85 AlfWidgetFactoryLoader* mWidgetFactoryLoader; |
|
86 // Not owned |
|
87 IAlfWidgetFactory* mWidgetFactory; |
|
88 }; |
|
89 |
|
90 // --------------------------------------------------------------------------- |
|
91 // Initializes environment with resource pool and factory extensions |
|
92 // --------------------------------------------------------------------------- |
|
93 // |
|
94 OSN_EXPORT void AlfWidgetEnvExtension::initializeEnvironment(CAlfEnv& aEnv) |
|
95 { |
|
96 AlfExtensionResourcePoolContainer* poolContainer = |
|
97 static_cast<AlfExtensionResourcePoolContainer*>( |
|
98 aEnv.Extension( KAlfExtensionResourcePoolUid)); |
|
99 if ( poolContainer == NULL) |
|
100 { |
|
101 // Initialize the env with resource pool extension |
|
102 initializeEnvironmentForResourcePool(aEnv); |
|
103 } |
|
104 AlfExtensionWidgetFactory* widgetFactoryExtension = |
|
105 static_cast<AlfExtensionWidgetFactory*>( |
|
106 aEnv.Extension( KAlfExtensionWidgetFactoryUid)); |
|
107 if ( widgetFactoryExtension == NULL) |
|
108 { |
|
109 // Initialize the env with widget factory extension |
|
110 initializeEnvironmentForFactory(aEnv); |
|
111 } |
|
112 } |
|
113 // --------------------------------------------------------------------------- |
|
114 // Initializes environment with Theme Manager extension |
|
115 // --------------------------------------------------------------------------- |
|
116 // |
|
117 void AlfWidgetEnvExtension::initializeEnvironmentForTheme(CAlfEnv& /*aEnv*/ ) |
|
118 { |
|
119 } |
|
120 |
|
121 // --------------------------------------------------------------------------- |
|
122 // Initializes environment with resource pool extension |
|
123 // --------------------------------------------------------------------------- |
|
124 // |
|
125 void AlfWidgetEnvExtension::initializeEnvironmentForResourcePool(CAlfEnv& aEnv) |
|
126 { |
|
127 auto_ptr<ResourcePool> pool(new(EMM) ResourcePool( |
|
128 aEnv.TextureManager(), NULL)); |
|
129 auto_ptr<AlfExtensionResourcePoolContainer> poolContainer( |
|
130 new(EMM) AlfExtensionResourcePoolContainer( pool.release())); |
|
131 int err = aEnv.AddExtension( KAlfExtensionResourcePoolUid, |
|
132 (MAlfEnvObject*)(poolContainer.get())); |
|
133 if ( err != KErrNone) |
|
134 { |
|
135 ALF_THROW(AlfWidgetException, ECommonError, "Failed to add AlfEnv extension"); |
|
136 } |
|
137 else |
|
138 { |
|
139 poolContainer.release(); |
|
140 } |
|
141 } |
|
142 // --------------------------------------------------------------------------- |
|
143 // Returns the reference for Resource Pool extension object. |
|
144 // --------------------------------------------------------------------------- |
|
145 // |
|
146 OSN_EXPORT ResourcePool& AlfWidgetEnvExtension::resourcePool( CAlfEnv& aEnv) |
|
147 { |
|
148 Alf::AlfExtensionResourcePoolContainer* poolContainer = |
|
149 static_cast<Alf::AlfExtensionResourcePoolContainer*>(aEnv.Extension( KAlfExtensionResourcePoolUid)); |
|
150 if ( poolContainer == NULL) |
|
151 { |
|
152 initializeEnvironment(aEnv); |
|
153 } |
|
154 //re-fetch the pool |
|
155 poolContainer = |
|
156 static_cast<Alf::AlfExtensionResourcePoolContainer*>(aEnv.Extension( KAlfExtensionResourcePoolUid)); |
|
157 return *(poolContainer->mResourcePool); |
|
158 } |
|
159 |
|
160 // --------------------------------------------------------------------------- |
|
161 // Initializes environment with factory extension |
|
162 // --------------------------------------------------------------------------- |
|
163 // |
|
164 void AlfWidgetEnvExtension::initializeEnvironmentForFactory(CAlfEnv& aEnv) |
|
165 { |
|
166 auto_ptr<AlfWidgetFactoryLoader> widgetFactoryLoader( |
|
167 new (EMM) AlfWidgetFactoryLoader() ); |
|
168 |
|
169 IAlfWidgetFactory* widgetFactory = NULL; |
|
170 widgetFactory = widgetFactoryLoader->loadWidgetFactory(aEnv); |
|
171 if(!widgetFactory) |
|
172 { |
|
173 ALF_THROW(AlfWidgetException, ECommonError, "Failed to create widget factory"); |
|
174 } |
|
175 auto_ptr<AlfExtensionWidgetFactory> widgetFactoryExtension( |
|
176 new(EMM) AlfExtensionWidgetFactory( widgetFactoryLoader.release(), |
|
177 widgetFactory)); |
|
178 int err = aEnv.AddExtension( KAlfExtensionWidgetFactoryUid, |
|
179 (MAlfEnvObject*)(widgetFactoryExtension.get())); |
|
180 if ( err != 0) |
|
181 { |
|
182 ALF_THROW(AlfWidgetException, ECommonError, "Failed to add AlfEnv extension"); |
|
183 } |
|
184 else |
|
185 { |
|
186 widgetFactoryExtension.release(); |
|
187 } |
|
188 } |
|
189 |
|
190 // --------------------------------------------------------------------------- |
|
191 // Returns the reference for Theme Manager extension object. |
|
192 // --------------------------------------------------------------------------- |
|
193 // |
|
194 OSN_EXPORT AlfThemeManagerUtil& AlfWidgetEnvExtension::themeManagerUtil( CAlfEnv& /*aEnv*/) |
|
195 { |
|
196 // Depricated |
|
197 ALF_THROW(AlfWidgetException, EInvalidArgument, "Depricated Module"); |
|
198 } |
|
199 |
|
200 |
|
201 // --------------------------------------------------------------------------- |
|
202 //Access to the widget factory |
|
203 // --------------------------------------------------------------------------- |
|
204 // |
|
205 OSN_EXPORT IAlfWidgetFactory& AlfWidgetEnvExtension::widgetFactory( |
|
206 CAlfEnv& aEnv) |
|
207 { |
|
208 AlfExtensionWidgetFactory* widgetFactoryExtension = |
|
209 static_cast<AlfExtensionWidgetFactory*>( |
|
210 aEnv.Extension( KAlfExtensionWidgetFactoryUid)); |
|
211 if ( widgetFactoryExtension == NULL) |
|
212 { |
|
213 initializeEnvironmentForFactory(aEnv); |
|
214 } |
|
215 //re-fetch the widget factory extension |
|
216 widgetFactoryExtension = |
|
217 static_cast<AlfExtensionWidgetFactory*>( |
|
218 aEnv.Extension( KAlfExtensionWidgetFactoryUid)); |
|
219 return *(widgetFactoryExtension->mWidgetFactory); |
|
220 } |
|
221 |
|
222 } // Alf |