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1 /** |
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2 * Copyright (c) 2005-2009 Nokia Corporation and/or its subsidiary(-ies). |
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3 * All rights reserved. |
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4 * This component and the accompanying materials are made available |
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5 * under the terms of "Eclipse Public License v1.0" |
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6 * which accompanies this distribution, and is available |
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7 * at the URL "http://www.eclipse.org/legal/epl-v10.html". |
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8 * |
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9 * Initial Contributors: |
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10 * Nokia Corporation - initial contribution. |
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11 * |
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12 * Contributors: |
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13 * |
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14 * Description: |
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15 * |
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16 */ |
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17 |
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18 |
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19 |
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20 /** |
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21 @file SHIMDATATRANSFER.H |
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22 @internalComponent |
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23 */ |
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24 |
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25 #if !defined(__SHIMDATATRANSFER_H__) |
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26 #define __SHIMDATATRANSFER_H__ |
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27 |
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28 #include <e32def.h> |
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29 #include <e32base.h> |
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30 #include "ss_datatransfer.h" |
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31 |
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32 class CConnectionProvdBase; |
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33 class CNifManSubConnectionShim; |
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34 class CConnDataTransferShim : public CConnDataTransfer |
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35 { |
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36 public: |
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37 CConnDataTransferShim(CNifManSubConnectionShim& aSubConnectionProviderShim); |
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38 ~CConnDataTransferShim(); |
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39 |
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40 public: |
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41 //up-calls from the CNifManSubConnectionShim |
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42 TInt NotifyDataTransferred(TUint aUplinkVolume, TUint aDownlinkVolume); |
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43 TInt NotifyDataSent(TUint aUplinkVolume); |
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44 TInt NotifyDataReceived(TUint aDownlinkVolume); |
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45 |
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46 protected: |
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47 //down-calls clients requests |
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48 virtual TInt DoDataTransferred(TUint& aUplinkVolume, TUint& aDownlinkVolume); |
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49 virtual TInt DoDataTransferredCancel(); |
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50 virtual TInt DoDataSentNotificationRequest(TUint aRequestedGranularity, TUint aRequestedNotificationVolume); |
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51 virtual TInt DoDataSentNotificationCancel(); |
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52 virtual TInt DoDataReceivedNotificationRequest(TUint aRequestedGranularity, TUint aRequestedNotificationVolume); |
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53 virtual TInt DoDataReceivedNotificationCancel(); |
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54 |
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55 protected: |
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56 TInt CalculateNewUplinkGranularity(TUint aRequestedGranularity); |
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57 TInt CalculateNewDownlinkGranularity(TUint aRequestedGranularity); |
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58 |
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59 TInt SetNextUplinkGranularity(); |
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60 TInt SetNextDownlinkGranularity(); |
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61 |
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62 TInt SetUplinkGranularity(TUint aRequestedGranularity); |
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63 TInt SetDownlinkGranularity(TUint aRequestedGranularity); |
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64 |
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65 protected: |
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66 static TInt CalculateNewGranularity(TInt aRequestedGranularity, TUint aCurrentGranularity, RArray<TUint>& aGranularities, TUint& aNewGranularity); |
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67 |
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68 private: |
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69 CNifManSubConnectionShim& iSubConnectionProviderShim; |
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70 |
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71 RArray<TUint> iUplinkGranularities; // ordered lists of deltas for the granularities |
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72 RArray<TUint> iDownlinkGranularities; |
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73 |
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74 TUint iCurrentUplinkGranularity; // the aggregate notification granularity calculated from all the CConnection requests |
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75 TUint iCurrentDownlinkGranularity; |
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76 }; |
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77 |
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78 #endif // __SHIMDATATRANSFER_H__ |