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1 /* |
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2 * Copyright (c) 2002 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: Declares Bluetooth notifiers base class. |
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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 #ifndef BTNOTIFIERBASE_H |
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20 #define BTNOTIFIERBASE_H |
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21 |
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22 // INCLUDES |
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23 |
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24 #include "btnotif.h" |
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25 #include "btnotifuiutil.h" |
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26 #include <eikenv.h> |
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27 #include <btdevice.h> |
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28 #include <btengdevman.h> |
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29 |
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30 // CONSTANTS |
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31 |
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32 // Literals for resource and bitmap files ( drive, directory, filename(s) ) |
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33 |
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34 const TUid KBTInquiryChannel = {0x00000601}; // Channel for inquiry notifier |
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35 const TUid KBTAuthorisationChannel = {0x00000602}; // Channel for PIN query notifier |
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36 const TUid KBTAuthenticationChannel = {0x00000603}; // Channel for authorisation notifier |
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37 const TUid KBTBBEventChannel = {0x00000604}; // Channel for baseband event notifier |
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38 const TUid KBTObexPINChannel = {0x00000605}; // Channel for OBEX PIN notifier |
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39 const TUid KBTPowerModeChannel = {0x00000606}; // Channel for power mode notifier |
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40 const TUid KBTAudioAccessoryChannel = {0x00000607}; // Channel for audio accessory notifier |
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41 const TUid KBTLowMemoryChannel = {0x00000608}; // Channel for low memory notifier |
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42 const TUid KBTPairedDeviceSettingChannel = {0x00000610}; |
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43 |
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44 // FORWARD DECLARATIONS |
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45 class CBTEngSettings; |
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46 |
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47 enum TBTRegistryQueryState |
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48 { |
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49 ENoQuery=0, |
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50 EQueryPaired=1, |
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51 EQueryUsed=2, |
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52 ESetDeviceAuthorizeState, |
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53 ESetDeviceBlocked, |
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54 ESetDeviceUnblocked, |
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55 }; |
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56 |
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57 // CLASS DECLARATION |
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58 /** |
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59 * This class is the base class for all notifiers. |
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60 */ |
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61 NONSHARABLE_CLASS(CBTNotifierBase): public CBase, public MEikSrvNotifierBase2, MBTEngDevManObserver |
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62 { |
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63 public: // Constructors and destructor |
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64 |
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65 /** |
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66 * Destructor. |
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67 */ |
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68 virtual ~CBTNotifierBase(); |
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69 |
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70 protected: // Constructors and destructor |
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71 |
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72 /** |
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73 * C++ default constructor. |
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74 */ |
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75 CBTNotifierBase(); |
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76 |
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77 /** |
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78 * Symbian 2nd phase constructor. |
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79 */ |
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80 virtual void ConstructL(); |
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81 |
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82 protected: // New functions |
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83 |
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84 /** |
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85 * Used in asynchronous notifier launch to store received parameters |
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86 * into members variables and make needed initializations. |
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87 * @param aBuffer A buffer containing received parameters |
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88 * @param aReturnVal The return value to be passed back. |
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89 * @param aMessage Should be completed when the notifier is deactivated. |
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90 * @return None. |
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91 */ |
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92 virtual void GetParamsL(const TDesC8& aBuffer, |
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93 TInt aReplySlot, |
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94 const RMessagePtr2& aMessage)=0; |
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95 |
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96 /** |
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97 * A utility function for checking whether autolock is on. |
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98 * @param None. |
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99 * @return A boolean according to autolock state. |
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100 */ |
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101 TBool AutoLockOnL(); |
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102 |
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103 /** |
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104 * A utility function for setting the power status of Bluetooth. |
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105 * If the power is not on the user will be presented a query. |
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106 * @return ETrue if BT is turned on successfully; EFalse otherwise |
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107 */ |
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108 TBool CheckAndSetPowerOnL(); |
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109 |
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110 /** |
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111 * A function for setting BT name |
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112 * @return ETrue if BT name is set successfully; EFalse otherwise |
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113 */ |
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114 TBool AskLocalBTNameQueryL(); |
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115 |
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116 /** |
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117 * Check if there is any existing connection to audio profiles from |
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118 * the same device |
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119 * @return ETrue if the device is connected. |
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120 */ |
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121 TBool IsExistingConnectionToAudioL(const TBTDevAddr& aDevAddr); |
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122 |
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123 /** |
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124 * Complete Client/Server message and Nulled the reply slot. |
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125 * @param aErr Error code for client notification. |
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126 * @return None |
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127 */ |
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128 void CompleteMessage(TInt aErr); |
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129 |
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130 /** |
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131 * Complete Client/Server message and Nulled the reply slot. |
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132 * @param aErr Error code for client notification. |
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133 * @return None |
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134 */ |
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135 void CompleteMessage(TInt aValueToReplySlot, TInt aErr); |
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136 |
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137 /** |
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138 * Complete Client/Server message and Nulled the reply slot. |
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139 * @param aErr Error code for client notification. |
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140 * @return None |
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141 */ |
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142 void CompleteMessage(const TDesC8& aDesToReplySlot, TInt aErr); |
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143 |
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144 /** |
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145 * Checks from central repository whether the Bluetooth friendly name |
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146 * has been modified . |
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147 * @return ETure if the name has been modified. |
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148 */ |
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149 TBool IsLocalNameModifiedL(); |
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150 |
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151 /** |
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152 * Get the device information from BT Registry by the given address. |
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153 */ |
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154 void GetDeviceFromRegL(const TBTDevAddr& aAddr); |
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155 |
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156 /** |
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157 * virtual function to be ovewritten by sub-classes. |
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158 * Will be called when Getting Device by BTEng DevMan is completed. |
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159 * @param aDev the device from registry if it is not null. indicates either a failure |
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160 * or the device is not available in registry. |
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161 */ |
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162 virtual void HandleGetDeviceCompletedL(const CBTDevice* aDev); |
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163 |
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164 /** |
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165 * Asks the user if s/he want's to block the device in question |
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166 * Does not block the device. That is left to the caller. |
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167 * NOTE: Cannot be called while iAuthQueryDlg is active. |
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168 */ |
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169 void QueryBlockDeviceL(); |
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170 |
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171 /** |
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172 * Set BTDevice's security setting to blocked and modify device |
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173 * @param None |
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174 * @return None |
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175 */ |
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176 void DoBlockDevice(); |
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177 |
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178 /** |
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179 * Set BTDevice's security setting to un/authorized and modify device |
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180 * @param aTrust Set authorized if ETrue; otherwise, unauthorized. |
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181 * @return None |
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182 */ |
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183 void ChangeAuthorizeState( TBool aTrust); |
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184 |
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185 /** |
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186 * Checks if the user is queried too often, and handle the result. |
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187 * @return None |
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188 */ |
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189 void CheckAndHandleQueryIntervalL(); |
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190 |
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191 private: |
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192 |
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193 void DoHandleGetDevicesCompleteL(TInt aErr, CBTDeviceArray* aDeviceArray ); |
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194 |
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195 protected: // Functions from base classes |
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196 |
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197 /** |
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198 * From MEikSrvNotifierBase2 Called when a notifier is first loaded |
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199 * to allow any initial construction that is required. |
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200 * @param None. |
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201 * @return A structure containing priority and channel info. |
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202 */ |
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203 virtual TNotifierInfo RegisterL()=0; |
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204 |
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205 /** |
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206 * From MEikSrvNotifierBase2 The notifier has been deactivated |
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207 * so resources can be freed and outstanding messages completed. |
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208 * @param None. |
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209 * @return None. |
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210 */ |
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211 virtual void Cancel(); |
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212 |
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213 #ifdef __SERIES60_HELP |
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214 /** This is used to create TCallBack to help. |
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215 * @param TCoeHelpContext. Must be instance TCoeHelpContext, or NULL. |
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216 * If null this will open help about blocked devices., |
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217 * @return KErrNone |
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218 */ |
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219 static TInt LaunchHelp(TAny *TCoeHelpContext=NULL); |
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220 #endif |
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221 |
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222 private: // Functions from base classes |
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223 |
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224 /** |
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225 * From MEikSrvNotifierBase2 Called when all resources allocated |
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226 * by notifiers should be freed. |
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227 * @param None. |
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228 * @return None. |
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229 */ |
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230 virtual void Release(); |
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231 |
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232 /** |
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233 * From MEikSrvNotifierBase2 Return the priority a notifier takes |
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234 * and the channels it acts on. |
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235 * @param None. |
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236 * @return A structure containing priority and channel info. |
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237 */ |
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238 virtual TNotifierInfo Info() const; |
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239 |
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240 /** |
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241 * From MEikSrvNotifierBase2 Synchronic notifier launch. |
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242 * @param aBuffer Received parameter data. |
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243 * @return A pointer to return value. |
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244 */ |
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245 virtual TPtrC8 StartL(const TDesC8& aBuffer); |
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246 |
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247 /** |
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248 * From MEikSrvNotifierBase2 Asynchronic notifier launch. |
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249 * @param aBuffer A buffer containing received parameters |
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250 * @param aReturnVal The return value to be passed back. |
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251 * @param aMessage Should be completed when the notifier is deactivated. |
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252 * @return A pointer to return value. |
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253 */ |
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254 virtual void StartL(const TDesC8& aBuffer, TInt aReplySlot, const RMessagePtr2& aMessage); |
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255 |
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256 /** |
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257 * From MEikSrvNotifierBase2 Updates a currently active notifier. |
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258 * @param aBuffer The updated data. |
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259 * @return A pointer to return value. |
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260 */ |
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261 virtual TPtrC8 UpdateL(const TDesC8& aBuffer); |
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262 |
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263 /** |
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264 * From MBTEngDevManObserver |
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265 * Indicates to the caller that adding, deleting or modifying a device |
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266 * has completed. |
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267 */ |
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268 virtual void HandleDevManComplete(TInt aErr); |
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269 |
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270 /** |
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271 * From MBTEngDevManObserver |
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272 * Call back function when GetDevices() request is completed. |
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273 * @param aErr Status information, if there is an error. |
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274 * @param aDeviceArray Array of devices that match the given criteria |
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275 * (the array provided by the calller). |
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276 */ |
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277 void HandleGetDevicesComplete( TInt aErr, CBTDeviceArray* aDeviceArray ); |
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278 |
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279 /** |
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280 * Checks the timestamp since last query. |
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281 * @return true if too often |
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282 */ |
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283 TBool CheckQueryInterval(); |
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284 |
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285 protected: // Data |
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286 |
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287 RMessagePtr2 iMessage; // Received message |
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288 TInt iReplySlot; // Reply slot |
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289 TNotifierInfo iInfo; // Notifier parameters structure |
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290 TBTRegistryQueryState iBTRegistryQueryState; |
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291 CBTDeviceArray* iDeviceArray; // for getting device from registry |
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292 CBTDevice* iDevice; // Current Bluetooth device |
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293 TBTDevAddr iBTAddr; // Gotten from PckBuffer, constant no matter how iDevice changes. |
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294 CBTNotifUIUtil* iNotifUiUtil; // Utility to show UI notes & queries |
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295 CBTEngSettings* iBTEngSettings; |
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296 private: |
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297 CBTEngDevMan* iDevMan; // for BT registry manipulation |
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298 |
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299 }; |
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300 |
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301 #endif |
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302 |
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303 // End of File |