1 /* |
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2 * ============================================================================== |
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3 * Name : %name: previewprovider.cpp % |
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4 * Part of : Hg fast swap preview provider plugin |
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5 * Description : Preview provider API |
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6 * Version : %version: sa1spcx1#3 % |
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7 * |
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8 * Copyright (c) 2008 Nokia Corporation. |
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9 * This material, including documentation and any related |
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10 * computer programs, is protected by copyright controlled by |
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11 * Nokia Corporation. All rights are reserved. Copying, |
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12 * including reproducing, storing, adapting or translating, any |
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13 * or all of this material requires the prior written consent of |
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14 * Nokia Corporation. This material also contains confidential |
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15 * information which may not be disclosed to others without the |
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16 * prior written consent of Nokia Corporation. |
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17 * ============================================================================== |
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18 */ |
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19 |
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20 #include "hgpreviewprovider.h" |
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21 #include "hgpreviewobserver.h" |
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22 #include "previewmsg.h" |
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23 #include "previewproviderlogging.h" |
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24 #include <w32std.h> |
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25 #include <s32mem.h> |
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26 #include <e32property.h> |
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27 |
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28 #define SZ( x ) ( sizeof( x ) / sizeof( TInt ) ) |
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29 |
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30 // CONSTANTS |
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31 |
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32 // Publish & subscribe UID (akncapserver.exe SID so that it can define the keys) |
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33 const TUid KPSUidPreviewProvider = { 0x10207218 }; |
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34 |
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35 // P&S keys |
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36 const TUint32 KPSKeyWgId = 0x20016BE1; |
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37 const TUint32 KPSKeyFbsBitmapId = 0x20016BE2; |
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38 const TUint32 KPSKeyOperation = 0x20016BE3; |
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39 |
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40 /** |
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41 * Operation which will be done after P&S keys have changed. |
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42 */ |
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43 enum TPreviewOperation |
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44 { |
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45 EOperationNone, |
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46 EOperationUnregister, |
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47 EOperationBitmapUpdated |
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48 }; |
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49 |
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50 /** |
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51 * CPropertyListener |
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52 */ |
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53 NONSHARABLE_CLASS( CPropertyListener ) : public CActive |
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54 { |
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55 public: |
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56 static CPropertyListener* NewL( MHgFastSwapPreviewObserver& aObs ); |
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57 virtual ~CPropertyListener(); |
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58 |
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59 protected: |
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60 CPropertyListener( MHgFastSwapPreviewObserver& aObs ); |
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61 void ConstructL(); |
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62 |
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63 private: // From CActive |
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64 void RunL(); |
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65 void DoCancel(); |
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66 |
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67 private: |
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68 void ReadPropertiesL(); |
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69 void DefinePropertyL( TInt aPSKey ); |
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70 void Subscribe(); |
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71 |
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72 private: |
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73 MHgFastSwapPreviewObserver& iObs; |
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74 RProperty iProperty; |
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75 |
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76 TInt iWgId; |
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77 TInt iFbsBitmapId; |
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78 |
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79 TPreviewOperation iOperation; |
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80 }; |
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81 |
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82 // -------------------------------------------------------------------------- |
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83 // CPropertyListener::~CPropertyListener |
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84 // -------------------------------------------------------------------------- |
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85 // |
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86 CPropertyListener::~CPropertyListener() |
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87 { |
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88 Cancel(); |
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89 iProperty.Close(); |
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90 } |
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91 |
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92 // -------------------------------------------------------------------------- |
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93 // CPropertyListener::CPropertyListener |
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94 // -------------------------------------------------------------------------- |
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95 // |
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96 CPropertyListener::CPropertyListener( MHgFastSwapPreviewObserver& aObs ) : |
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97 CActive( CActive::EPriorityHigh ), iObs( aObs ) |
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98 { |
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99 } |
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100 |
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101 // -------------------------------------------------------------------------- |
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102 // CPropertyListener::NewL |
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103 // -------------------------------------------------------------------------- |
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104 // |
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105 CPropertyListener* CPropertyListener::NewL( MHgFastSwapPreviewObserver& aObs ) |
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106 { |
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107 CPropertyListener* self = new ( ELeave ) CPropertyListener( aObs ); |
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108 CleanupStack::PushL( self ); |
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109 self->ConstructL(); |
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110 CleanupStack::Pop( self ); |
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111 return self; |
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112 } |
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113 |
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114 // -------------------------------------------------------------------------- |
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115 // CPropertyListener::RunL |
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116 // -------------------------------------------------------------------------- |
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117 // |
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118 void CPropertyListener::RunL() |
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119 { |
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120 // Resubscribe before processing new value to prevent missing updates |
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121 Subscribe(); |
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122 |
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123 // Read all properties to member variables |
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124 ReadPropertiesL(); |
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125 |
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126 // Do the callback |
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127 switch( iOperation ) |
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128 { |
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129 case EOperationUnregister: |
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130 { |
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131 iObs.HandleFswPpApplicationUnregistered( iWgId ); |
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132 break; |
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133 } |
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134 case EOperationBitmapUpdated: |
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135 { |
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136 iObs.HandleFswPpApplicationChange( iWgId, iFbsBitmapId ); |
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137 break; |
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138 } |
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139 default: |
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140 break; |
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141 } |
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142 } |
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143 |
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144 // -------------------------------------------------------------------------- |
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145 // CPropertyListener::DoCancel |
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146 // -------------------------------------------------------------------------- |
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147 // |
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148 void CPropertyListener::DoCancel() |
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149 { |
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150 iProperty.Cancel(); |
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151 } |
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152 |
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153 // -------------------------------------------------------------------------- |
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154 // CPropertyListener::ReadProperties |
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155 // -------------------------------------------------------------------------- |
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156 // |
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157 void CPropertyListener::ReadPropertiesL() |
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158 { |
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159 // Read all properties |
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160 User::LeaveIfError( iProperty.Get( KPSUidPreviewProvider, KPSKeyWgId, iWgId ) ); |
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161 User::LeaveIfError( iProperty.Get( KPSUidPreviewProvider, KPSKeyFbsBitmapId, iFbsBitmapId ) ); |
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162 TInt operation( 0 ); |
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163 User::LeaveIfError( iProperty.Get( KPSUidPreviewProvider, KPSKeyOperation, operation ) ); |
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164 iOperation = static_cast<TPreviewOperation>( operation ); |
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165 } |
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166 |
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167 // -------------------------------------------------------------------------- |
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168 // CPropertyListener::DefinePropertyL |
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169 // -------------------------------------------------------------------------- |
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170 // |
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171 void CPropertyListener::DefinePropertyL( TInt aPSKey ) |
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172 { |
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173 TInt err = RProperty::Define( KPSUidPreviewProvider, aPSKey, RProperty::EInt ); |
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174 // Don't mind the already exists error |
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175 if ( err != KErrAlreadyExists && err != KErrPermissionDenied ) |
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176 { |
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177 User::LeaveIfError( err ); |
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178 } |
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179 } |
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180 |
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181 // -------------------------------------------------------------------------- |
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182 // CPropertyListener::Subscribe |
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183 // -------------------------------------------------------------------------- |
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184 // |
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185 void CPropertyListener::Subscribe() |
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186 { |
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187 iProperty.Subscribe( iStatus ); |
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188 SetActive(); |
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189 } |
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190 |
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191 // -------------------------------------------------------------------------- |
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192 // CPropertyListener::ConstructL |
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193 // -------------------------------------------------------------------------- |
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194 // |
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195 void CPropertyListener::ConstructL() |
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196 { |
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197 HGLOG_CONTEXT( ConstructL, HGLOG_LOCAL ); |
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198 HGLOG_IN(); |
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199 |
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200 DefinePropertyL( KPSKeyWgId ); |
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201 DefinePropertyL( KPSKeyFbsBitmapId ); |
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202 DefinePropertyL( KPSKeyOperation ); |
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203 |
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204 User::LeaveIfError( iProperty.Attach( KPSUidPreviewProvider, KPSKeyWgId ) ); |
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205 CActiveScheduler::Add( this ); |
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206 |
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207 // initial subscription |
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208 Subscribe(); |
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209 |
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210 HGLOG_OUT(); |
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211 } |
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212 |
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213 /** |
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214 * CHgFastSwapPreviewProviderClient |
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215 */ |
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216 NONSHARABLE_CLASS( CHgFastSwapPreviewProviderClient ) : public CWsGraphic |
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217 { |
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218 public: |
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219 CHgFastSwapPreviewProviderClient( MHgFastSwapPreviewObserver& aObs ); |
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220 void ConstructL(); |
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221 void Register( TInt aWgId ); |
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222 void Unregister( TInt aWgId ); |
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223 void ChangeScreen( TInt aScreenNo ); |
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224 void SetPreviewParam( const TSize& aSize, TDisplayMode aMode ); |
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225 void TakePreview(); |
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226 void AckPreview( TInt aPreviewId ); |
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227 virtual ~CHgFastSwapPreviewProviderClient(); |
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228 private: |
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229 void HandleMessage( const TDesC8& aData ); |
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230 void OnReplace(); |
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231 private: |
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232 void DoHandleMessageL( const TDesC8& aData ); |
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233 void SetProperties( TInt aHandle, TInt aWgId, TInt aOp ); |
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234 private: |
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235 MHgFastSwapPreviewObserver& iObs; |
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236 CPropertyListener* iListener; |
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237 }; |
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238 |
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239 |
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240 // -------------------------------------------------------------------------- |
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241 // CHgFastSwapPreviewProviderClient::CHgFastSwapPreviewProviderClient |
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242 // -------------------------------------------------------------------------- |
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243 // |
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244 CHgFastSwapPreviewProviderClient::CHgFastSwapPreviewProviderClient( |
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245 MHgFastSwapPreviewObserver& aObs ) : iObs( aObs ) |
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246 { |
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247 } |
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248 |
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249 // -------------------------------------------------------------------------- |
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250 // CHgFastSwapPreviewProviderClient::~CHgFastSwapPreviewProviderClient |
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251 // -------------------------------------------------------------------------- |
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252 // |
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253 CHgFastSwapPreviewProviderClient::~CHgFastSwapPreviewProviderClient() |
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254 { |
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255 delete iListener; |
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256 } |
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257 |
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258 // -------------------------------------------------------------------------- |
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259 // CHgFastSwapPreviewProviderClient::ConstructL |
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260 // -------------------------------------------------------------------------- |
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261 // |
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262 void CHgFastSwapPreviewProviderClient::ConstructL() |
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263 { |
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264 HGLOG_CONTEXT( ConstructL, HGLOG_LOCAL ); |
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265 HGLOG_IN(); |
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266 |
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267 const TUid id = { 0x20016BEC }; |
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268 BaseConstructL( id, KNullDesC8 ); |
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269 iListener = CPropertyListener::NewL( iObs ); |
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270 |
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271 HGLOG_OUT(); |
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272 } |
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273 |
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274 // -------------------------------------------------------------------------- |
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275 // CHgFastSwapPreviewProviderClient::Register |
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276 // -------------------------------------------------------------------------- |
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277 // |
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278 void CHgFastSwapPreviewProviderClient::Register( TInt aWgId ) |
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279 { |
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280 HGLOG_CONTEXT( Register, HGLOG_LOCAL ); |
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281 HGLOG_IN(); |
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282 |
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283 const TInt msg[] = { |
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284 NPreviewMsg::ERegister, |
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285 aWgId |
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286 }; |
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287 TPckgC<TInt[SZ(msg)]> buf(msg); |
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288 SendMessage(buf); |
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289 Flush(); |
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290 |
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291 HGLOG_OUT(); |
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292 } |
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293 |
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294 // -------------------------------------------------------------------------- |
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295 // CHgFastSwapPreviewProviderClient::Unregister |
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296 // -------------------------------------------------------------------------- |
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297 // |
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298 void CHgFastSwapPreviewProviderClient::Unregister( TInt aWgId ) |
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299 { |
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300 HGLOG_CONTEXT( Unregister, HGLOG_LOCAL ); |
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301 HGLOG_IN(); |
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302 |
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303 const TInt msg[] = { |
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304 NPreviewMsg::EUnregister, |
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305 aWgId |
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306 }; |
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307 TPckgC<TInt[SZ(msg)]> buf(msg); |
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308 SendMessage(buf); |
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309 Flush(); |
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310 |
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311 HGLOG_OUT(); |
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312 } |
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313 |
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314 // -------------------------------------------------------------------------- |
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315 // CHgFastSwapPreviewProviderClient::ChangeScreen |
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316 // -------------------------------------------------------------------------- |
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317 // |
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318 void CHgFastSwapPreviewProviderClient::ChangeScreen( TInt aScreenNo ) |
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319 { |
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320 HGLOG_CONTEXT( ChangeScreen, HGLOG_LOCAL ); |
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321 HGLOG_IN(); |
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322 |
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323 const TInt msg[] = { |
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324 NPreviewMsg::EChangeScreen, |
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325 aScreenNo |
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326 }; |
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327 TPckgC<TInt[SZ(msg)]> buf(msg); |
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328 SendMessage(buf); |
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329 Flush(); |
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330 |
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331 HGLOG_OUT(); |
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332 } |
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333 |
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334 // -------------------------------------------------------------------------- |
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335 // CHgFastSwapPreviewProviderClient::SetPreviewParam |
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336 // -------------------------------------------------------------------------- |
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337 // |
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338 void CHgFastSwapPreviewProviderClient::SetPreviewParam(const TSize& aSize, |
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339 TDisplayMode aMode) |
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340 { |
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341 HGLOG_CONTEXT( SetPreviewParam, HGLOG_LOCAL ); |
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342 HGLOG_IN(); |
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343 |
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344 const TInt msg[] = { |
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345 NPreviewMsg::ESetPreviewParam, |
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346 aSize.iWidth, |
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347 aSize.iHeight, |
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348 static_cast<TInt>(aMode) |
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349 }; |
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350 TPckgC<TInt[SZ(msg)]> buf(msg); |
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351 SendMessage(buf); |
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352 Flush(); |
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353 |
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354 HGLOG_OUT(); |
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355 } |
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356 |
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357 // -------------------------------------------------------------------------- |
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358 // CHgFastSwapPreviewProviderClient::TakePreview |
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359 // -------------------------------------------------------------------------- |
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360 // |
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361 void CHgFastSwapPreviewProviderClient::TakePreview() |
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362 { |
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363 HGLOG_CONTEXT( TakePreview, HGLOG_LOCAL ); |
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364 HGLOG_IN(); |
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365 |
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366 TPckgC<TInt> buf(NPreviewMsg::ETakePreview); |
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367 SendMessage(buf); |
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368 Flush(); |
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369 |
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370 HGLOG_OUT(); |
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371 } |
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372 |
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373 // -------------------------------------------------------------------------- |
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374 // CHgFastSwapPreviewProviderClient::AckPreview |
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375 // -------------------------------------------------------------------------- |
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376 // |
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377 void CHgFastSwapPreviewProviderClient::AckPreview( TInt aPreviwId ) |
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378 { |
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379 HGLOG_CONTEXT( TakePreview, HGLOG_LOCAL ); |
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380 HGLOG_IN(); |
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381 |
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382 const TInt msg[] = { NPreviewMsg::EAckPreviewReady, |
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383 aPreviwId }; |
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384 TPckgC<TInt[SZ(msg)]> buf(msg); |
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385 SendMessage(buf); |
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386 Flush(); |
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387 |
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388 HGLOG_OUT(); |
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389 } |
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390 |
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391 // -------------------------------------------------------------------------- |
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392 // CHgFastSwapPreviewProviderClient::HandleMessage |
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393 // -------------------------------------------------------------------------- |
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394 // |
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395 void CHgFastSwapPreviewProviderClient::HandleMessage( const TDesC8& aData ) |
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396 { |
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397 TRAP_IGNORE(DoHandleMessageL(aData)); |
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398 } |
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399 |
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400 // -------------------------------------------------------------------------- |
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401 // CHgFastSwapPreviewProviderClient::DoHandleMessageL |
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402 // -------------------------------------------------------------------------- |
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403 // |
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404 void CHgFastSwapPreviewProviderClient::DoHandleMessageL( const TDesC8& aData ) |
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405 { |
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406 HGLOG_CONTEXT( DoHandleMessageL, HGLOG_LOCAL ); |
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407 HGLOG_IN(); |
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408 |
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409 RDesReadStream in( aData ); |
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410 TInt message = in.ReadInt32L(); |
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411 switch ( message ) |
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412 { |
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413 case NPreviewMsg::EPreviewReady: |
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414 { |
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415 const TInt id = in.ReadInt32L(); |
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416 const TInt handle = in.ReadInt32L(); |
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417 SetProperties( handle, id, EOperationBitmapUpdated ); |
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418 } |
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419 break; |
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420 case NPreviewMsg::EUnregisterReady: |
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421 { |
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422 const TInt id = in.ReadInt32L(); |
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423 const TInt handle = in.ReadInt32L(); |
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424 SetProperties( handle, id, EOperationUnregister ); |
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425 } |
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426 break; |
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427 } |
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428 |
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429 HGLOG_OUT(); |
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430 } |
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431 |
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432 // -------------------------------------------------------------------------- |
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433 // CHgFastSwapPreviewProviderClient::SetProperties |
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434 // -------------------------------------------------------------------------- |
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435 // |
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436 void CHgFastSwapPreviewProviderClient::SetProperties(TInt aHandle, TInt aWgId, |
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437 TInt aOp) |
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438 { |
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439 // Notify CPropertyListener via P&S |
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440 RProperty::Set( KPSUidPreviewProvider, KPSKeyFbsBitmapId, aHandle ); |
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441 RProperty::Set( KPSUidPreviewProvider, KPSKeyOperation, aOp ); |
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442 // KPSKeyWgId should be notified first since that is being listened |
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443 // by CPropertyListener |
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444 RProperty::Set( KPSUidPreviewProvider, KPSKeyWgId, aWgId ); |
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445 } |
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446 |
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447 // -------------------------------------------------------------------------- |
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448 // CHgFastSwapPreviewProviderClient::OnReplace |
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449 // -------------------------------------------------------------------------- |
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450 // |
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451 void CHgFastSwapPreviewProviderClient::OnReplace() |
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452 { |
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453 } |
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454 |
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455 ///////////////////////////////////////////////////////////////////////////// |
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456 |
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457 |
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458 // -------------------------------------------------------------------------- |
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459 // CHgFastSwapPreviewProvider::NewL |
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460 // -------------------------------------------------------------------------- |
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461 // |
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462 EXPORT_C CHgFastSwapPreviewProvider* CHgFastSwapPreviewProvider::NewL( |
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463 MHgFastSwapPreviewObserver& aObs) |
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464 { |
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465 CHgFastSwapPreviewProvider* p = new (ELeave) CHgFastSwapPreviewProvider(); |
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466 CleanupStack::PushL( p ); |
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467 p->ConstructL( aObs ); |
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468 CleanupStack::Pop( p ); |
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469 return p; |
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470 } |
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471 |
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472 // -------------------------------------------------------------------------- |
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473 // CHgFastSwapPreviewProvider::~CHgFastSwapPreviewProvider |
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474 // -------------------------------------------------------------------------- |
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475 // |
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476 EXPORT_C CHgFastSwapPreviewProvider::~CHgFastSwapPreviewProvider() |
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477 { |
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478 if ( iClient ) |
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479 { |
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480 iClient->Destroy(); |
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481 } |
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482 delete iClient; |
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483 } |
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484 |
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485 // -------------------------------------------------------------------------- |
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486 // CHgFastSwapPreviewProvider::Register |
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487 // -------------------------------------------------------------------------- |
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488 // |
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489 EXPORT_C TInt CHgFastSwapPreviewProvider::Register( TInt aWgId ) |
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490 { |
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491 iClient->Register( aWgId ); |
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492 return KErrNone; |
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493 } |
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494 |
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495 // -------------------------------------------------------------------------- |
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496 // CHgFastSwapPreviewProvider::Unregister |
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497 // -------------------------------------------------------------------------- |
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498 // |
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499 EXPORT_C TInt CHgFastSwapPreviewProvider::Unregister( TInt aWgId ) |
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500 { |
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501 iClient->Unregister( aWgId ); |
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502 return KErrNone; |
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503 } |
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504 |
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505 // -------------------------------------------------------------------------- |
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506 // CHgFastSwapPreviewProvider::ChangeScreen |
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507 // -------------------------------------------------------------------------- |
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508 // |
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509 EXPORT_C TInt CHgFastSwapPreviewProvider::ChangeScreen( TInt aScreenId ) |
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510 { |
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511 iClient->ChangeScreen( aScreenId ); |
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512 return KErrNone; |
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513 } |
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514 |
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515 // -------------------------------------------------------------------------- |
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516 // CHgFastSwapPreviewProvider::SetPreviewParam |
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517 // -------------------------------------------------------------------------- |
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518 // |
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519 EXPORT_C TInt CHgFastSwapPreviewProvider::SetPreviewParam(const TSize& aSize, |
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520 TDisplayMode aMode) |
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521 { |
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522 HGLOG_CONTEXT( SetPreviewParam, HGLOG_LOCAL ); |
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523 HGLOG_IN(); |
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524 |
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525 TInt error( KErrNone ); |
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526 |
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527 if ( aMode == ENone || aMode == EColor64K ) |
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528 { |
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529 iClient->SetPreviewParam( aSize, aMode ); |
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530 } |
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531 else |
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532 { |
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533 error = KErrNotSupported; |
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534 } |
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535 |
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536 HGLOG_OUT(); |
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537 return error; |
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538 } |
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539 |
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540 // -------------------------------------------------------------------------- |
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541 // CHgFastSwapPreviewProvider::TakePreview |
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542 // -------------------------------------------------------------------------- |
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543 // |
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544 EXPORT_C TInt CHgFastSwapPreviewProvider::TakePreview() |
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545 { |
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546 // Reset timer for screensaver (dismiss screensaver) |
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547 User::ResetInactivityTime(); |
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548 |
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549 iClient->TakePreview(); |
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550 return KErrNone; |
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551 } |
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552 |
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553 // -------------------------------------------------------------------------- |
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554 // CHgFastSwapPreviewProvider::AckPreview |
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555 // -------------------------------------------------------------------------- |
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556 // |
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557 EXPORT_C void CHgFastSwapPreviewProvider::AckPreview( TInt aPreviewId ) |
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558 { |
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559 iClient->AckPreview( aPreviewId ); |
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560 } |
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561 |
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562 // -------------------------------------------------------------------------- |
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563 // CHgFastSwapPreviewProvider::CHgFastSwapPreviewProvider |
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564 // -------------------------------------------------------------------------- |
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565 // |
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566 CHgFastSwapPreviewProvider::CHgFastSwapPreviewProvider() |
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567 { |
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568 } |
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569 |
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570 // -------------------------------------------------------------------------- |
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571 // CHgFastSwapPreviewProvider::ConstructL |
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572 // -------------------------------------------------------------------------- |
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573 // |
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574 void CHgFastSwapPreviewProvider::ConstructL( MHgFastSwapPreviewObserver& aObs ) |
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575 { |
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576 HGLOG_CONTEXT( ConstructL, HGLOG_LOCAL ); |
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577 HGLOG_IN(); |
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578 |
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579 iClient = new ( ELeave ) CHgFastSwapPreviewProviderClient( aObs ); |
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580 iClient->ConstructL(); |
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581 |
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582 HGLOG_OUT(); |
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583 } |
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584 |
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585 // End of file |
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586 |
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