|
1 /* |
|
2 * Copyright (c) 2008 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: ?Description |
|
15 * |
|
16 */ |
|
17 |
|
18 #include "conversationchangehandler.h" |
|
19 // SYSTEM INCLUDES |
|
20 #include <ccsconversationentry.h> |
|
21 |
|
22 // USER INCLUDES |
|
23 #include "conversationsengine.h" |
|
24 #include "conversationsengine_p.h" |
|
25 #include "conversationsmodel.h" |
|
26 |
|
27 const TInt WindowSize = 7; |
|
28 |
|
29 // --------------------------------------------------------------------------- |
|
30 // Constructor |
|
31 // --------------------------------------------------------------------------- |
|
32 // |
|
33 ConversationsChangeHandler::ConversationsChangeHandler( |
|
34 ConversationsEnginePrivate* convEnginePrivate, |
|
35 ConversationsModel* conversationsModel) : |
|
36 CActive(EPriorityStandard), |
|
37 mCurrentState(EInit), |
|
38 mFirstWindowCached(EFalse), |
|
39 mCurrentIndex(-1), |
|
40 mConversationsModel(conversationsModel), |
|
41 mConvEnginePrivate(convEnginePrivate) |
|
42 |
|
43 { |
|
44 CActiveScheduler::Add(this); |
|
45 } |
|
46 |
|
47 // --------------------------------------------------------------------------- |
|
48 // Destructor |
|
49 // --------------------------------------------------------------------------- |
|
50 // |
|
51 ConversationsChangeHandler::~ConversationsChangeHandler() |
|
52 { |
|
53 mConversationEntryList.ResetAndDestroy(); |
|
54 // Cancel the active object |
|
55 Cancel(); |
|
56 } |
|
57 |
|
58 // --------------------------------------------------------------------------- |
|
59 // This is for handling GetConversation results asynchronusly |
|
60 // from the server. |
|
61 // --------------------------------------------------------------------------- |
|
62 // |
|
63 void ConversationsChangeHandler::ConversationsL(RPointerArray< |
|
64 CCsConversationEntry>& aConversationEntryList) |
|
65 { |
|
66 mConversationEntryList.ResetAndDestroy(); |
|
67 |
|
68 for (TInt i = 0; i < aConversationEntryList.Count(); ++i) |
|
69 { |
|
70 CCsConversationEntry *entry = aConversationEntryList[i]->CloneL(); |
|
71 mConversationEntryList.AppendL(entry); |
|
72 } |
|
73 if (aConversationEntryList.Count() > 0) |
|
74 { |
|
75 mFirstWindowCached = EFalse; |
|
76 mCurrentIndex = 0; |
|
77 mCurrentState = EInitialCache; |
|
78 IssueRequest(); |
|
79 } |
|
80 else |
|
81 { |
|
82 //This is done for safety |
|
83 mConvEnginePrivate->registerForConversationUpdatesL(); |
|
84 mCurrentState = EListenToEvents; |
|
85 } |
|
86 } |
|
87 |
|
88 // --------------------------------------------------------------------------- |
|
89 // Handling addition of new conversation entry from the server |
|
90 // --------------------------------------------------------------------------- |
|
91 // |
|
92 void ConversationsChangeHandler::AddConversation( |
|
93 const CCsConversationEntry& aConvEntry) |
|
94 { |
|
95 mConversationsModel->addRow(aConvEntry, true); |
|
96 ConversationsEngine::instance()->emitConversationModelUpdated(); |
|
97 } |
|
98 |
|
99 // --------------------------------------------------------------------------- |
|
100 // Handling modification of existing conversation entry from the server |
|
101 // --------------------------------------------------------------------------- |
|
102 // |
|
103 void ConversationsChangeHandler::ModifyConversation( |
|
104 const CCsConversationEntry& aConvEntry) |
|
105 { |
|
106 mConversationsModel->addRow(aConvEntry, true); |
|
107 ConversationsEngine::instance()->emitConversationModelUpdated(); |
|
108 } |
|
109 |
|
110 // --------------------------------------------------------------------------- |
|
111 // Handling deletion of conversation entry from the server |
|
112 // --------------------------------------------------------------------------- |
|
113 // |
|
114 void ConversationsChangeHandler::DeleteConversation( |
|
115 const CCsConversationEntry& aConvEntry) |
|
116 { |
|
117 mConversationsModel->deleteRow(aConvEntry.EntryId()); |
|
118 ConversationsEngine::instance()->emitConversationModelUpdated(); |
|
119 } |
|
120 |
|
121 //----------------------------------------------------------------------- |
|
122 // This is for handling modify conversation event asynchronusly from the server |
|
123 //----------------------------------------------------------------------- |
|
124 // |
|
125 void ConversationsChangeHandler::RefreshConversation() |
|
126 { |
|
127 } |
|
128 |
|
129 // --------------------------------------------------------------------------- |
|
130 // RunL |
|
131 // --------------------------------------------------------------------------- |
|
132 // |
|
133 void ConversationsChangeHandler::RunL() |
|
134 { |
|
135 if (iStatus != KErrNone) |
|
136 { |
|
137 return; |
|
138 } |
|
139 //process |
|
140 switch (mCurrentState) |
|
141 { |
|
142 case EInitialCache: |
|
143 HandleConversationsL(); |
|
144 break; |
|
145 } |
|
146 } |
|
147 |
|
148 // --------------------------------------------------------------------------- |
|
149 // DoCancel |
|
150 // --------------------------------------------------------------------------- |
|
151 // |
|
152 void ConversationsChangeHandler::DoCancel() |
|
153 { |
|
154 mCurrentState = EListenToEvents; |
|
155 } |
|
156 |
|
157 // --------------------------------------------------------------------------- |
|
158 // Make the active object alive. |
|
159 // --------------------------------------------------------------------------- |
|
160 // |
|
161 void ConversationsChangeHandler::IssueRequest() |
|
162 { |
|
163 if (!IsActive()) |
|
164 { |
|
165 iStatus = KRequestPending; |
|
166 TRequestStatus* status = &iStatus; |
|
167 SetActive(); |
|
168 User::RequestComplete(status, KErrNone); |
|
169 } |
|
170 } |
|
171 |
|
172 // --------------------------------------------------------------------------- |
|
173 // Handles Conversations received from server and updates into model |
|
174 // --------------------------------------------------------------------------- |
|
175 // |
|
176 void ConversationsChangeHandler::HandleConversationsL() |
|
177 { |
|
178 for (int i = 0; i < WindowSize; ++i) |
|
179 { |
|
180 if (mCurrentIndex < mConversationEntryList.Count()) |
|
181 { |
|
182 mConversationsModel->addRow( |
|
183 * (mConversationEntryList[mCurrentIndex])); |
|
184 mCurrentIndex++; |
|
185 } |
|
186 else |
|
187 { |
|
188 break; |
|
189 } |
|
190 } |
|
191 if (mCurrentIndex < mConversationEntryList.Count()) |
|
192 { |
|
193 if (!mFirstWindowCached) |
|
194 { |
|
195 ConversationsEngine::instance()->emitConversationModelPopulated(); |
|
196 mFirstWindowCached = ETrue; |
|
197 return; |
|
198 } |
|
199 IssueRequest(); |
|
200 } |
|
201 else |
|
202 { |
|
203 if (!mFirstWindowCached) |
|
204 { |
|
205 ConversationsEngine::instance()->emitConversationModelPopulated(); |
|
206 mFirstWindowCached = ETrue; |
|
207 } |
|
208 mConversationEntryList.ResetAndDestroy(); |
|
209 mConvEnginePrivate->registerForConversationUpdatesL(); |
|
210 mCurrentState = EListenToEvents; |
|
211 } |
|
212 } |
|
213 |
|
214 // --------------------------------------------------------------------------- |
|
215 // Starts fetching remaining conversations |
|
216 // --------------------------------------------------------------------------- |
|
217 // |
|
218 void ConversationsChangeHandler::restartHandleConversations() |
|
219 { |
|
220 IssueRequest(); |
|
221 } |
|
222 |
|
223 //EOF |