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1 // Copyright (c) 2006-2009 Nokia Corporation and/or its subsidiary(-ies). |
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2 // All rights reserved. |
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3 // This component and the accompanying materials are made available |
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4 // under the terms of "Eclipse Public License v1.0" |
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5 // which accompanies this distribution, and is available |
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6 // at the URL "http://www.eclipse.org/legal/epl-v10.html". |
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7 // |
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8 // Initial Contributors: |
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9 // Nokia Corporation - initial contribution. |
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10 // |
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11 // Contributors: |
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12 // |
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13 // Description: |
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14 // |
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15 |
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16 /** |
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17 @file |
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18 @internalComponent |
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19 */ |
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20 #ifndef CMTPUSBENDPOINTWATCHER_H |
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21 #define CMTPUSBENDPOINTWATCHER_H |
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22 |
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23 #include "mtpdebug.h" |
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24 |
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25 class CMTPUsbConnection; |
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26 |
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27 /** |
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28 Implements the USB MTP device class endpoint stall status observer. |
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29 @internalComponent |
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30 |
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31 */ |
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32 class CMTPUsbEpWatcher: public CActive |
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33 { |
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34 public: |
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35 |
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36 static CMTPUsbEpWatcher* NewL(CMTPUsbConnection& aConnection); |
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37 ~CMTPUsbEpWatcher(); |
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38 |
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39 void Start(); |
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40 void Stop(); |
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41 |
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42 private: // From CActive |
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43 |
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44 void DoCancel(); |
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45 TInt RunError(TInt aError); |
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46 void RunL(); |
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47 |
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48 private: |
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49 |
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50 CMTPUsbEpWatcher(CMTPUsbConnection& aConnection); |
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51 void ConstructL(); |
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52 |
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53 void RequestCancel(); |
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54 void RequestIssue(); |
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55 |
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56 private: // Owned |
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57 |
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58 /** |
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59 FLOGGER debug trace member variable. |
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60 */ |
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61 __FLOG_DECLARATION_MEMBER; |
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62 |
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63 /** |
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64 The endpoint stall status flags. |
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65 */ |
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66 TUint iEndpointStatus; |
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67 |
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68 private: // Not owned |
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69 |
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70 /** |
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71 The MTP USB device class connection. |
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72 */ |
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73 CMTPUsbConnection& iConnection; |
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74 }; |
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75 |
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76 #endif // CMTPUSBENDPOINTWATCHER_H |