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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 @test |
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19 @internalComponent - Internal Symbian test code |
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20 */ |
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21 |
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22 |
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23 #if !defined(__TCOMPOSITIONBACKEND_H__) |
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24 #define __TCOMPOSITIONBACKEND_H__ |
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25 |
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26 #include <e32base.h> |
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27 #include <graphics/surface.h> |
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28 #include <graphics/compositionsurfaceupdate.h> |
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29 #include <graphics/extensioncontainer.h> |
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30 #include "trequestorder.h" |
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31 |
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32 /** |
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33 The following constants signify the delay in microseconds between two |
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34 emulations of composition. During the emulation mock receiver will |
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35 process a number of outstanding requests and issues the signal |
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36 back to the SUS. Content update receiver with highest priority will process the |
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37 requests at highest rate. |
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38 */ |
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39 const TInt KCompositionInterval = 1000000 / 20; // for composition threads with normal priority |
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40 const TInt KCompositionIntervalLong = KCompositionInterval * 2; // for composition threads with lower priority |
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41 const TInt KCompositionIntervalShort = KCompositionInterval / 2; // for composition threads with higher priority |
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42 |
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43 enum RequestType |
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44 { |
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45 EReqEmpty = 0, |
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46 EReqAvailable, |
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47 EReqDisplayed, |
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48 EReqDisplayedXTimes, |
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49 }; |
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50 |
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51 class RequestObject |
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52 { |
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53 public: |
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54 RequestType iType; |
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55 TRequestStatus* iStatus; |
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56 TUint32* iTimeStamp; |
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57 TInt iDisplayedXTimes; |
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58 }; |
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59 |
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60 NONSHARABLE_CLASS(CTContentUpdateReceiver) : |
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61 public CExtensionContainer, |
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62 public MCompositionSurfaceUpdate |
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63 { |
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64 public: |
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65 static CTContentUpdateReceiver* NewL(TInt aScreen); |
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66 ~CTContentUpdateReceiver(); |
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67 static TInt ThreadFunction(TAny* aAny); |
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68 TInt Screen() {return iScreen;} |
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69 void Stop(); |
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70 void SetCompositionOrder(CRequestOrder* aOrder) { iCompositionOrder = aOrder;} |
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71 IMPORT_C void SetVisible(TBool aVisible); |
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72 IMPORT_C TInt SetInternalPriority(TThreadPriority aInternalPriority); |
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73 inline TBool OutstandingRequest(); //returns ETrue if there are any oustanding requests need to be processed by the mock receiver |
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74 |
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75 /** |
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76 Mark the surface as dirty and request for composition. |
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77 The function doesn't take onwership of aRegion |
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78 */ |
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79 virtual void ContentUpdated(const TSurfaceId& aSurface, |
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80 TInt aBuffer, |
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81 const TRegion* aRegion, |
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82 TRequestStatus* aStatusAvailable, |
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83 TRequestStatus* aStatusDisplayed, |
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84 TUint32* aTimeStamp, |
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85 TRequestStatus* aStatusDispXTimes, |
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86 TInt* aDisplayedXTimes); |
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87 |
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88 virtual void Delete(void){} |
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89 virtual TInt ApiVersion(void) {return 0;} |
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90 virtual TVersion InternalVersion(void){return TVersion();} |
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91 protected: //From CBase |
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92 virtual TInt Extension_(TUint aExtensionId, TAny*& a0, TAny* a1); |
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93 private: |
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94 CTContentUpdateReceiver(TInt aScreen); |
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95 void ConstructL(); |
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96 TInt CheckNewNotifications(); |
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97 void DoSetInternalPriorityL(); |
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98 static TInt CallBack(TAny *aAny); |
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99 TInt Add(TRequestStatus *aStatus, RequestType aType, |
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100 TInt aDisplayedXTimes = 1, TUint32* aTimeStamp = NULL); |
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101 void Remove(TInt aIndex); |
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102 private: |
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103 TThreadId iThreadId; //thread from which ContentUpdated is called |
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104 TThreadId iReceiverThreadId; |
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105 TBool iStop; |
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106 TInt iScreen; |
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107 CPeriodic* iPeriodic; |
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108 RequestObject iArray[1024]; //should be big enough |
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109 TInt iNumberElements; |
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110 TBool iVisible; |
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111 TBool iSetInternalPriority; |
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112 TThreadPriority iInternalPriority; |
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113 CRequestOrder* iCompositionOrder; |
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114 RFastLock iLock; |
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115 RSemaphore iPriorityLock; |
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116 }; |
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117 |
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118 IMPORT_C TInt StartTestUpdateReceiver(CTContentUpdateReceiver*& aReceiver, TInt aScreen); |
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119 IMPORT_C void CloseTestUpdateReceiver(CTContentUpdateReceiver* aReceiver); |
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120 |
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121 |
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122 |
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123 inline TBool CTContentUpdateReceiver::OutstandingRequest() |
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124 { return iNumberElements > 0;} |
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125 |
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126 |
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127 #endif // __TCOMPOSITIONBACKEND_H__ |