89 @publishedAll |
94 @publishedAll |
90 @released |
95 @released |
91 */ |
96 */ |
92 EXPORT_C TInt RFbsSession::Connect(RFs& aFileServer) |
97 EXPORT_C TInt RFbsSession::Connect(RFs& aFileServer) |
93 { |
98 { |
|
99 TInt ret = KErrNone; |
94 RFbsSession* thisptr = (RFbsSession*)Dll::Tls(); |
100 RFbsSession* thisptr = (RFbsSession*)Dll::Tls(); |
|
101 FBS_OST(OstTrace1(GRAPHICS_CONTROL_FUNCTIONS, RFBSSESSION_CONNECT_ENTRY, "> this=0x%08x;", (TUint)thisptr);) |
95 if(thisptr) |
102 if(thisptr) |
96 { |
103 { |
97 thisptr->iConnections++; |
104 thisptr->iConnections++; |
98 return KErrNone; |
105 FBS_OST(OstTraceExt2(GRAPHICS_CONTROL_SEMANTICS, RFBSSESSION_CONNECT_INFO, "# Connected to existing session; this=0x%08x; iConnections=%d;", (TInt)thisptr, thisptr->iConnections);) |
99 } |
106 } |
100 TInt ret = RFbsSession::DoAlloc(thisptr); |
107 else |
101 if(ret!=KErrNone) |
108 { |
102 return ret; |
109 ret = RFbsSession::DoAlloc(thisptr); |
103 return thisptr->DoConnect(aFileServer); |
110 if(ret!=KErrNone) |
|
111 { |
|
112 FBS_OST(OstTrace1(TRACE_ERROR, RFBSSESSION_CONNECT_ERROR, "! DoAlloc returned %d", ret);) |
|
113 } |
|
114 else |
|
115 { |
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116 ret = thisptr->DoConnect(aFileServer); |
|
117 if(ret!=KErrNone) |
|
118 { |
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119 FBS_OST(OstTraceExt2(TRACE_ERROR, RFBSSESSION_CONNECT_ERROR2, "! this=0x%08x; DoConnect returned %d", (TInt)thisptr, ret);) |
|
120 } |
|
121 } |
|
122 } |
|
123 |
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124 FBS_OST(OstTraceExt2(GRAPHICS_CONTROL_FUNCTIONS, RFBSSESSION_CONNECT_EXIT, "< this=0x%08x; ret=%d", (TUint)thisptr, ret);) |
|
125 return ret; |
104 } |
126 } |
105 |
127 |
106 /** Creates a session with the Font and Bitmap server. |
128 /** Creates a session with the Font and Bitmap server. |
107 @return KErrNone, if successful; KErrNoMemory if there is not enough memory |
129 @return KErrNone, if successful; KErrNoMemory if there is not enough memory |
108 to create the session; otherwise another of the system-wide error codes. |
130 to create the session; otherwise another of the system-wide error codes. |
109 @publishedAll |
131 @publishedAll |
110 @released |
132 @released |
111 */ |
133 */ |
112 EXPORT_C TInt RFbsSession::Connect() |
134 EXPORT_C TInt RFbsSession::Connect() |
113 { |
135 { |
|
136 TInt ret = KErrNone; |
114 RFbsSession* thisptr = (RFbsSession*)Dll::Tls(); |
137 RFbsSession* thisptr = (RFbsSession*)Dll::Tls(); |
|
138 FBS_OST(OstTrace1(GRAPHICS_CONTROL_FUNCTIONS, RFBSSESSION_CONNECT2_ENTRY, "> this=0x%08x;", (TUint)thisptr);) |
115 if(thisptr) |
139 if(thisptr) |
116 { |
140 { |
117 thisptr->iConnections++; |
141 thisptr->iConnections++; |
118 return KErrNone; |
142 FBS_OST(OstTraceExt2(GRAPHICS_CONTROL_SEMANTICS, RFBSSESSION_CONNECT2_INFO, "# Connected to existing session; this=0x%08x; iConnections=%d;", (TInt)thisptr, thisptr->iConnections);) |
119 } |
143 } |
120 TInt ret = RFbsSession::DoAlloc(thisptr); |
144 else |
121 if (ret!=KErrNone) |
145 { |
122 return ret; |
146 TInt ret = RFbsSession::DoAlloc(thisptr); |
123 ret = thisptr->iFileServer.Connect(); |
147 if (ret!=KErrNone) |
124 if(ret!=KErrNone) |
148 { |
125 { |
149 FBS_OST(OstTrace1(TRACE_ERROR, RFBSSESSION_CONNECT2_ERROR, "! DoAlloc returned %d", ret);) |
126 thisptr->Disconnect(); |
150 goto end; |
127 return ret; |
151 } |
128 } |
152 |
129 return thisptr->DoConnect(thisptr->iFileServer); |
153 ret = thisptr->iFileServer.Connect(); |
|
154 if(ret!=KErrNone) |
|
155 { |
|
156 thisptr->Disconnect(); |
|
157 FBS_OST(OstTraceExt2(TRACE_ERROR, RFBSSESSION_CONNECT2_ERROR2, "! this=0x%08x; RFs::Connect() returned %d", (TInt)thisptr, ret);) |
|
158 goto end; |
|
159 } |
|
160 |
|
161 ret = thisptr->DoConnect(thisptr->iFileServer); |
|
162 if(ret!=KErrNone) |
|
163 { |
|
164 FBS_OST(OstTraceExt2(TRACE_ERROR, RFBSSESSION_CONNECT2_ERROR3, "! this=0x%08x; DoConnect returned %d", (TInt)thisptr, ret);) |
|
165 } |
|
166 } |
|
167 end: |
|
168 FBS_OST(OstTraceExt2(GRAPHICS_CONTROL_FUNCTIONS, RFBSSESSION_CONNECT2_EXIT, "< this=0x%08x; ret=%d", (TUint)thisptr, ret);) |
|
169 return ret; |
130 } |
170 } |
131 |
171 |
132 /** Closes the session with the Font and Bitmap server. |
172 /** Closes the session with the Font and Bitmap server. |
133 @publishedAll |
173 @publishedAll |
134 @released |
174 @released |
135 */ |
175 */ |
136 EXPORT_C void RFbsSession::Disconnect() |
176 EXPORT_C void RFbsSession::Disconnect() |
137 { |
177 { |
138 RFbsSession* thisptr=(RFbsSession*)Dll::Tls(); |
178 RFbsSession* thisptr=(RFbsSession*)Dll::Tls(); |
139 if(thisptr==NULL) return; |
179 FBS_OST(OstTrace1(GRAPHICS_CONTROL_FUNCTIONS, RFBSSESSION_DISCONNECT_ENTRY, "> this=0x%08x;", (TUint)thisptr);) |
140 if(thisptr->iConnections>0) |
180 if(thisptr) |
141 { |
181 { |
142 thisptr->iCallBack.iPtr=NULL; |
182 TInt tempServerSessionHandle = thisptr->ServerSessionHandle(); |
143 thisptr->iCallBack.CallBack(); |
183 if(thisptr->iConnections>0) |
144 // Destructor of CFbsSessionHelper may call SendCommand to cancel an |
184 { |
145 // outstanding request, therefore destruction must be done before |
185 thisptr->iCallBack.iPtr=NULL; |
146 // iConnections is 0 to avoid an assertion going off. |
186 thisptr->iCallBack.CallBack(); |
147 if(thisptr->iConnections==1) |
187 // Destructor of CFbsSessionHelper may call SendCommand to cancel an |
148 { |
188 // outstanding request, therefore destruction must be done before |
149 delete thisptr->iHelper; |
189 // iConnections is 0 to avoid an assertion going off. |
150 } |
190 if(thisptr->iConnections==1) |
151 thisptr->iConnections--; |
191 { |
152 } |
192 delete thisptr->iHelper; |
153 if(thisptr->iConnections==0) |
193 } |
154 { |
194 thisptr->iConnections--; |
155 thisptr->iSharedChunk.Close(); |
195 } |
156 thisptr->iLargeBitmapChunk.Close(); |
196 if(thisptr->iConnections==0) |
157 // Call close on the iFileServer regardless of whether this session owns it: |
197 { |
158 // if we don't own it, close will do nothing if there are still open files, |
198 thisptr->iSharedChunk.Close(); |
159 // so always calling close introduces extra safety |
199 thisptr->iLargeBitmapChunk.Close(); |
160 thisptr->iFileServer.Close(); |
200 // Call close on the iFileServer regardless of whether this session owns it: |
161 delete thisptr->iRomFileAddrCache; |
201 // if we don't own it, close will do nothing if there are still open files, |
162 delete thisptr->iScanLineBuffer; |
202 // so always calling close introduces extra safety |
163 delete thisptr->iDecompressionBuffer; |
203 thisptr->iFileServer.Close(); |
164 thisptr->Close(); |
204 delete thisptr->iRomFileAddrCache; |
165 delete thisptr; |
205 delete thisptr->iScanLineBuffer; |
166 Dll::FreeTls(); |
206 delete thisptr->iDecompressionBuffer; |
167 } |
207 thisptr->Close(); |
|
208 delete thisptr; |
|
209 Dll::FreeTls(); |
|
210 } |
|
211 FBS_OST(OstTraceExt3(GRAPHICS_CONTROL_SEMANTICS, RFBSSESSION_DISCONNECT_INFO, "# Disconnected from session; this=0x%08x; iConnections=%d; iSSH=0x%08x", (TInt)thisptr, thisptr->iConnections, tempServerSessionHandle);) |
|
212 } |
|
213 FBS_OST(OstTrace1(GRAPHICS_CONTROL_FUNCTIONS, RFBSSESSION_DISCONNECT_EXIT2, "< this=0x%08x;", (TUint)thisptr);) |
168 } |
214 } |
169 |
215 |
170 /** Gets the current Font and Bitmap server session. |
216 /** Gets the current Font and Bitmap server session. |
171 @return A pointer to the current session or NULL if Connect() has not been |
217 @return A pointer to the current session or NULL if Connect() has not been |
172 called yet. |
218 called yet. |