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1 // Copyright (c) 2007-2010 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 // Interface to activation bitmap classes |
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15 // |
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16 |
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17 #ifndef __TRACECOREACTIVATION_H__ |
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18 #define __TRACECOREACTIVATION_H__ |
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19 |
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20 |
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21 class MTraceCoreActivation; |
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22 class DTraceCoreSettings; |
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23 |
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24 |
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25 /** |
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26 * Interface to get change notification from activation classes |
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27 */ |
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28 NONSHARABLE_CLASS( MTraceCoreActivationNotification ) |
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29 { |
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30 public: |
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31 |
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32 /** |
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33 * Notification that the activation state has changed |
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34 * |
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35 * @param aActivation the activation interface that was updated |
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36 * @param aFromSettings ETrue if activation was due to settings read, EFalse if from some other source |
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37 * @param aComponentId Component ID of the activation |
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38 */ |
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39 virtual void ActivationChanged( MTraceCoreActivation& aActivation, TBool aFromSettings, |
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40 TUint32 aComponentId ) = 0; |
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41 }; |
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42 |
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43 |
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44 /** |
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45 * Interface to activation classes |
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46 */ |
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47 NONSHARABLE_CLASS( MTraceCoreActivation ) |
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48 { |
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49 public: |
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50 |
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51 /** |
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52 * Checks if this bitmap supports the given component ID |
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53 */ |
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54 virtual TBool IsComponentSupported( TUint32 aComponentID ) = 0; |
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55 |
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56 /** |
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57 * Gets activated groups for this component ID |
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58 * @param aComponentId the component ID |
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59 */ |
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60 virtual RArray<TUint> GetActivatedGroups( const TUint32 aComponentId ) = 0; |
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61 |
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62 /** |
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63 * Updates this activation object from the given settings |
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64 * |
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65 * @param aSettings the settings to be read |
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66 */ |
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67 virtual void ReadFromSettings( DTraceCoreSettings& aSettings ) = 0; |
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68 |
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69 /** |
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70 * Updates the settings with the content of this activation object |
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71 * |
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72 * @param aSettings the settings to be written |
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73 */ |
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74 virtual void WriteToSettings( DTraceCoreSettings& aSettings ) = 0; |
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75 |
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76 /** |
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77 * Registers an activation notification interface |
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78 */ |
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79 virtual TInt RegisterActivationNotification( MTraceCoreActivationNotification& aNotification ) = 0; |
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80 |
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81 /** |
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82 * Activate trace group. |
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83 * Method can be called only from Symbian OS thread context. |
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84 * Activation of groupID/ComponentID from IRQs, IDFCs is not allowed. |
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85 * |
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86 * @param aComponentId The component ID |
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87 * @param aGroupId The group ID |
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88 */ |
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89 virtual void ActivateTrace( const TUint32 aComponentId, const TUint32 aGroupId ) = 0; |
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90 |
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91 /** |
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92 * Deactivate trace group |
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93 * |
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94 * Method can be called only from Symbian OS thread context. |
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95 * Activation of groupID/ComponentID from IRQs, IDFCs is not allowed. |
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96 * |
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97 * @param aComponentId The component ID |
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98 * @param aGroupId The group ID |
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99 */ |
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100 virtual void DeactivateTrace( const TUint32 aComponentId, const TUint32 aGroupId ) = 0; |
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101 |
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102 /** |
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103 * Deactivates all groups from a component |
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104 * |
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105 * @param aComponentId The component ID |
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106 */ |
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107 virtual void DeactivateAll( const TUint32 aComponentId ) = 0; |
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108 |
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109 /** |
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110 * Reactivate all currently activated traces |
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111 * |
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112 * @return KErrNone if refresh successful |
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113 */ |
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114 virtual TInt RefreshActivations() { return KErrNotFound; }; |
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115 }; |
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116 |
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117 |
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118 #endif // __TRACECOREACTIVATION_H__ |