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1 // Copyright (c) 2007-2009 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 #include <kernel/kernel.h> |
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17 #include "eventdd.h" |
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18 |
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19 /** |
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20 Logical Device (factory class) for 'EventDD' |
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21 */ |
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22 class DEventFactory : public DLogicalDevice |
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23 { |
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24 public: |
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25 DEventFactory(); |
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26 //Pure virtual funcitons from DLogicalDevice |
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27 TInt Install(); |
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28 void GetCaps(TDes8& aDes) const; |
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29 TInt Create(DLogicalChannelBase*& aChannel); |
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30 }; |
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31 |
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32 class DEventDD : public DLogicalChannelBase |
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33 { |
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34 public: |
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35 //Pure virtual function from DLogicalChannelBase |
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36 TInt Request(TInt aReqNo,TAny* a1,TAny* a2); |
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37 private: |
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38 TInt DoControl(TInt aFunction, TAny* a1, TAny* a2); |
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39 TInt SendEvent(TRawEvent* aEvent); |
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40 }; |
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41 |
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42 |
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43 /* DLL Factory Function */ |
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44 |
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45 DECLARE_STANDARD_LDD() |
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46 { |
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47 return new DEventFactory; |
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48 } |
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49 |
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50 |
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51 /* DEventFactory */ |
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52 |
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53 DEventFactory::DEventFactory() :DLogicalDevice() |
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54 { |
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55 iVersion=REventDD::VersionRequired(); //Set version number for this device |
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56 } |
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57 |
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58 TInt DEventFactory::Install() |
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59 { |
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60 return SetName(&REventDD::DriverName()); |
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61 } |
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62 |
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63 void DEventFactory::GetCaps(TDes8& aDes) const |
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64 { |
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65 Kern::InfoCopy(aDes,KNullDesC8); |
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66 } |
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67 |
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68 TInt DEventFactory::Create(DLogicalChannelBase*& aChannel) |
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69 { |
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70 aChannel=new DEventDD; |
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71 return aChannel?KErrNone:KErrNoMemory; |
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72 } |
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73 |
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74 |
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75 /* DEventDD */ // Logical Channel |
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76 |
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77 TInt DEventDD::Request(TInt aReqNo,TAny* a1,TAny* a2) |
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78 { |
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79 // Decode the message type and dispatch it to the relevent handler function... |
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80 // only using synchronous control messages |
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81 if (static_cast<TUint>(aReqNo)<static_cast<TUint>(KMaxTInt)) |
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82 return DoControl(aReqNo,a1,a2); |
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83 return KErrNotSupported; |
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84 } |
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85 |
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86 /** |
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87 Process synchronous 'control' requests |
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88 */ |
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89 TInt DEventDD::DoControl(TInt aFunction,TAny* a1,TAny* /*a2*/) |
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90 { |
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91 TInt ret=KErrNotSupported; |
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92 |
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93 switch (aFunction) |
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94 { |
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95 case REventDD::ESendEvent: |
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96 ret=SendEvent(static_cast<TRawEvent*>(a1)); |
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97 break; |
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98 default:; |
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99 } |
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100 return ret; |
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101 } |
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102 |
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103 TInt DEventDD::SendEvent(TRawEvent* aEvent) |
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104 { |
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105 TRawEvent event; |
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106 kumemget(&event,aEvent,sizeof(TRawEvent)); //fetch event from user memory |
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107 NKern::ThreadEnterCS(); |
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108 TInt err=Kern::AddEvent(event); |
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109 NKern::ThreadLeaveCS(); |
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110 return err; |
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111 } |