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1 /* |
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2 * Copyright (c) 2009-2009 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: CDisplayServiceUILayout class implementation. |
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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 // SYSTEM INCLUDES |
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20 #include <cfcontextobject.h> |
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21 #include <cfcontextinterface.h> |
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22 #include <apgwgnam.h> |
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23 #include <coedef.h> |
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24 |
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25 // USER INCLUDES |
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26 #include "displayserviceuilayout.h" |
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27 #include "displaysourcecontextdef.h" |
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28 #include "displaysourcepluginpanic.h" |
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29 #include "trace.h" |
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30 |
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31 // ======================== LOCAL FUNCTIONS ======================== |
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32 |
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33 #ifdef _DEBUG |
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34 |
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35 /** Rotation constants */ |
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36 _LIT( KGraphicsOrientationNormal, "Normal" ); |
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37 _LIT( KGraphicsOrientationRotated90, "Rotated 90" ); |
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38 _LIT( KGraphicsOrientationRotated180, "Rotated 180" ); |
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39 _LIT( KGraphicsOrientationRotated270, "Rotated 270" ); |
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40 |
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41 LOCAL_C const TDesC& RotationAsDesC( TInt aRotation ) |
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42 { |
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43 switch( aRotation ) |
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44 { |
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45 case CFbsBitGc::EGraphicsOrientationNormal: |
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46 { |
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47 return KGraphicsOrientationNormal; |
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48 } |
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49 case CFbsBitGc::EGraphicsOrientationRotated90: |
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50 { |
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51 return KGraphicsOrientationRotated90; |
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52 } |
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53 case CFbsBitGc::EGraphicsOrientationRotated180: |
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54 { |
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55 return KGraphicsOrientationRotated180; |
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56 } |
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57 case CFbsBitGc::EGraphicsOrientationRotated270: |
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58 { |
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59 return KGraphicsOrientationRotated270; |
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60 } |
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61 default: |
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62 { |
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63 return KNullDesC; |
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64 } |
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65 } |
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66 } |
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67 |
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68 #endif |
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69 |
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70 // ======================== MEMBER FUNCTIONS ======================== |
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71 |
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72 // ======================== CDisplayServiceUILayout ======================== |
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73 |
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74 // --------------------------------------------------------------------------- |
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75 // C++ constructor. |
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76 // --------------------------------------------------------------------------- |
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77 // |
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78 CDisplayServiceUILayout::CDisplayServiceUILayout( MCFContextInterface& aCF ): |
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79 CDisplayServiceBase( CDisplayServiceBase::EDisplayUILayout, aCF ), |
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80 iCurrentLayout( EUILayoutValueUnknown ) |
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81 { |
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82 FUNC_LOG; |
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83 } |
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84 |
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85 // --------------------------------------------------------------------------- |
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86 // Symbian 2nd phase constructor. |
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87 // --------------------------------------------------------------------------- |
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88 // |
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89 void CDisplayServiceUILayout::ConstructL() |
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90 { |
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91 FUNC_LOG; |
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92 |
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93 // Call base class |
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94 CDisplayServiceBase::ConstructL(); |
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95 |
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96 // Configure context source and type |
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97 iContext->SetSourceL( KDisplaySource ); |
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98 iContext->SetTypeL( KDisplayUILayoutType ); |
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99 |
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100 // Define context: |
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101 // Device: Display.UI.Layout |
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102 TInt err = iCF.DefineContext( |
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103 KDisplaySource, KDisplayUILayoutType, KDisplayUILayoutSec ); |
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104 User::LeaveIfError( err ); |
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105 |
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106 // Define context: |
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107 // Device: Display.UI.Rotation |
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108 err = iCF.DefineContext( |
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109 KDisplaySource, KDisplayUIRotationType, KDisplayUIRotationSec ); |
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110 User::LeaveIfError( err ); |
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111 |
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112 // Create window server event handler |
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113 iWsEventHandler = CWsEventHandler::NewL( *this ); |
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114 } |
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115 |
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116 // --------------------------------------------------------------------------- |
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117 // Symbian two phased constructor. |
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118 // --------------------------------------------------------------------------- |
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119 // |
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120 CDisplayServiceUILayout* CDisplayServiceUILayout::NewL( |
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121 MCFContextInterface& aCF ) |
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122 { |
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123 FUNC_LOG; |
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124 |
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125 CDisplayServiceUILayout* self = CDisplayServiceUILayout::NewLC( aCF ); |
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126 CleanupStack::Pop( self ); |
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127 |
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128 return self; |
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129 } |
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130 |
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131 // --------------------------------------------------------------------------- |
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132 // Symbian two phased constructor. |
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133 // Leaves pointer in the cleanup stack. |
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134 // --------------------------------------------------------------------------- |
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135 // |
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136 CDisplayServiceUILayout* CDisplayServiceUILayout::NewLC( |
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137 MCFContextInterface& aCF ) |
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138 { |
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139 FUNC_LOG; |
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140 |
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141 CDisplayServiceUILayout* self = |
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142 new ( ELeave ) CDisplayServiceUILayout( aCF ); |
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143 CleanupStack::PushL( self ); |
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144 self->ConstructL(); |
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145 |
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146 return self; |
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147 } |
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148 |
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149 // --------------------------------------------------------------------------- |
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150 // C++ destructor. |
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151 // --------------------------------------------------------------------------- |
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152 // |
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153 CDisplayServiceUILayout::~CDisplayServiceUILayout() |
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154 { |
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155 FUNC_LOG; |
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156 |
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157 delete iWsEventHandler; |
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158 } |
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159 |
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160 //------------------------------------------------------------------------------ |
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161 // CDisplayServiceUILayout::StartL |
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162 //------------------------------------------------------------------------------ |
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163 // |
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164 void CDisplayServiceUILayout::StartL() |
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165 { |
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166 FUNC_LOG; |
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167 |
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168 // Get initial values |
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169 TDisplayUILayoutValues layout; |
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170 CFbsBitGc::TGraphicsOrientation rotation; |
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171 iWsEventHandler->ResolveUILayout( layout, rotation ); |
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172 |
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173 // Publish initial UI layout context value |
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174 PublishContextL( layout, ETrue ); |
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175 |
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176 // Publish initial UI rotation context value |
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177 PublishContextL( rotation, ETrue ); |
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178 |
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179 // Start listening window server events |
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180 iWsEventHandler->IssueRequest(); |
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181 } |
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182 |
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183 //------------------------------------------------------------------------------ |
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184 // CDisplayServiceUILayout::Stop |
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185 //------------------------------------------------------------------------------ |
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186 // |
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187 void CDisplayServiceUILayout::Stop() |
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188 { |
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189 FUNC_LOG; |
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190 |
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191 iWsEventHandler->Cancel(); |
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192 } |
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193 |
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194 //------------------------------------------------------------------------------ |
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195 // CDisplayServiceUILayout::HandleWsEventL |
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196 //------------------------------------------------------------------------------ |
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197 // |
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198 void CDisplayServiceUILayout::HandleWsEventL( const TWsEvent &aEvent ) |
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199 { |
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200 FUNC_LOG; |
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201 |
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202 INFO_1( "New window server event received: Event: [%d]", aEvent.Type() ); |
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203 |
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204 // New window server event received, solve the event type |
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205 switch( aEvent.Type() ) |
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206 { |
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207 case EEventWindowGroupsChanged: |
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208 case EEventScreenDeviceChanged: |
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209 { |
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210 TDisplayUILayoutValues layout = EUILayoutValueUnknown; |
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211 CFbsBitGc::TGraphicsOrientation rotation = |
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212 CFbsBitGc::EGraphicsOrientationNormal; |
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213 iWsEventHandler->ResolveUILayout( layout, rotation ); |
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214 PublishContextL( layout ); |
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215 PublishContextL( rotation ); |
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216 break; |
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217 } |
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218 default: |
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219 { |
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220 // Nothing to do here |
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221 break; |
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222 } |
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223 } |
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224 } |
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225 |
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226 //------------------------------------------------------------------------------ |
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227 // CDisplayServiceUILayout::HandleWsEventErrorL |
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228 //------------------------------------------------------------------------------ |
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229 // |
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230 void CDisplayServiceUILayout::HandleWsEventErrorL( TInt aError ) |
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231 { |
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232 FUNC_LOG; |
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233 |
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234 // Remove warnings in urel builds |
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235 (void)aError; |
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236 |
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237 ERROR( aError, |
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238 "Window server event error occured. UI layout set to 'unknown" ); |
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239 |
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240 // Error occured and it is impossible to know the current UI layout. |
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241 // Publish context: |
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242 // Device: Display.UI.Layout: Unknown |
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243 iContext->SetValueL( TPtrC( |
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244 KDisplayUILayoutValues[EUILayoutValueUnknown] ) ); |
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245 iCF.PublishContext( *iContext, iThread ); |
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246 } |
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247 |
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248 //------------------------------------------------------------------------------ |
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249 // CDisplayServiceUILayout::PublishContextL |
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250 //------------------------------------------------------------------------------ |
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251 // |
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252 void CDisplayServiceUILayout::PublishContextL( TDisplayUILayoutValues aLayout, |
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253 TBool aForce ) |
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254 { |
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255 FUNC_LOG; |
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256 |
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257 if( aLayout != iCurrentLayout || aForce ) |
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258 { |
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259 iContext->SetTypeL( KDisplayUILayoutType ); |
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260 iContext->SetValueL( TPtrC( KDisplayUILayoutValues[aLayout] ) ); |
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261 iCF.PublishContext( *iContext, iThread ); |
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262 iCurrentLayout = aLayout; |
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263 } |
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264 } |
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265 |
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266 //------------------------------------------------------------------------------ |
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267 // CDisplayServiceUILayout::PublishContextL |
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268 //------------------------------------------------------------------------------ |
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269 // |
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270 void CDisplayServiceUILayout::PublishContextL( |
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271 CFbsBitGc::TGraphicsOrientation aRotation, |
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272 TBool aForce ) |
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273 { |
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274 FUNC_LOG; |
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275 |
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276 if( aRotation != iCurrentRotation || aForce ) |
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277 { |
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278 iContext->SetTypeL( KDisplayUIRotationType ); |
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279 iContext->SetValueL( TPtrC( KDisplayUIRotationValues[aRotation] ) ); |
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280 iCF.PublishContext( *iContext, iThread ); |
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281 iCurrentRotation = aRotation; |
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282 } |
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283 } |
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284 |
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285 // ======================== CWsEventHandler ======================== |
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286 |
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287 // --------------------------------------------------------------------------- |
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288 // C++ constructor. |
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289 // --------------------------------------------------------------------------- |
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290 // |
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291 CWsEventHandler::CWsEventHandler( MWsEventObserver& aObserver ): |
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292 CActive( CActive::EPriorityStandard ), |
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293 iObserver( aObserver ) |
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294 { |
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295 FUNC_LOG; |
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296 |
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297 CActiveScheduler::Add( this ); |
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298 } |
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299 |
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300 // --------------------------------------------------------------------------- |
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301 // Symbian 2nd phase constructor. |
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302 // --------------------------------------------------------------------------- |
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303 // |
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304 void CWsEventHandler::ConstructL() |
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305 { |
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306 FUNC_LOG; |
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307 |
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308 // Connect to window server server |
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309 User::LeaveIfError( iWsSession.Connect() ); |
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310 |
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311 // Construct window group |
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312 iWindowGroup = new( ELeave ) RWindowGroup( iWsSession ); |
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313 User::LeaveIfError( iWindowGroup->Construct( (TUint32)this, EFalse ) ); |
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314 User::LeaveIfError( iWindowGroup->EnableScreenChangeEvents() ); |
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315 User::LeaveIfError( iWindowGroup->EnableGroupChangeEvents() ); |
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316 iWindowGroup->SetOrdinalPosition( 0, ECoeWinPriorityNeverAtFront ); |
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317 iWindowGroup->EnableReceiptOfFocus( EFalse ); |
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318 |
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319 // Hide the invisible window from the task manager |
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320 iWindowGroupName = CApaWindowGroupName::NewL( iWsSession ); |
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321 iWindowGroupName->SetHidden( ETrue ); |
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322 iWindowGroupName->SetWindowGroupName( *iWindowGroup ); |
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323 |
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324 // Construct screen device |
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325 iWsScreenDevice = new( ELeave ) CWsScreenDevice( iWsSession ); |
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326 User::LeaveIfError( iWsScreenDevice->Construct() ); |
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327 } |
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328 |
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329 // --------------------------------------------------------------------------- |
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330 // Symbian two phased constructor. |
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331 // --------------------------------------------------------------------------- |
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332 // |
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333 CWsEventHandler* CWsEventHandler::NewL( MWsEventObserver& aObserver ) |
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334 { |
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335 FUNC_LOG; |
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336 |
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337 CWsEventHandler* self = CWsEventHandler::NewLC( aObserver ); |
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338 CleanupStack::Pop( self ); |
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339 |
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340 return self; |
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341 } |
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342 |
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343 // --------------------------------------------------------------------------- |
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344 // Symbian two phased constructor. |
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345 // Leaves pointer in the cleanup stack. |
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346 // --------------------------------------------------------------------------- |
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347 // |
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348 CWsEventHandler* CWsEventHandler::NewLC( MWsEventObserver& aObserver ) |
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349 { |
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350 FUNC_LOG; |
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351 |
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352 CWsEventHandler* self = new ( ELeave ) CWsEventHandler( aObserver ); |
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353 CleanupStack::PushL( self ); |
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354 self->ConstructL(); |
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355 |
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356 return self; |
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357 } |
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358 |
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359 // --------------------------------------------------------------------------- |
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360 // C++ destructor. |
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361 // --------------------------------------------------------------------------- |
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362 // |
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363 CWsEventHandler::~CWsEventHandler() |
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364 { |
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365 FUNC_LOG; |
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366 |
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367 Cancel(); |
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368 |
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369 // Cleanup screen device |
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370 delete iWsScreenDevice; |
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371 |
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372 // Cleanup window group name |
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373 delete iWindowGroupName; |
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374 |
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375 // Cleanup window group |
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376 if( iWindowGroup ) |
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377 { |
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378 iWindowGroup->DisableGroupChangeEvents(); |
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379 iWindowGroup->DisableScreenChangeEvents(); |
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380 iWindowGroup->Close(); |
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381 delete iWindowGroup; |
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382 } |
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383 |
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384 // Cleanup window server session |
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385 iWsSession.Close(); |
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386 } |
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387 |
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388 //------------------------------------------------------------------------------ |
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389 // CWsEventHandler::IssueRequest |
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390 //------------------------------------------------------------------------------ |
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391 // |
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392 void CWsEventHandler::IssueRequest() |
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393 { |
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394 FUNC_LOG; |
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395 |
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396 __ASSERT_DEBUG( !IsActive(), Panic( ERequestAlreadyIssued ) ); |
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397 |
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398 // Request events from window server |
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399 iWsSession.EventReady( &iStatus ); |
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400 SetActive(); |
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401 } |
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402 |
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403 //------------------------------------------------------------------------------ |
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404 // CWsEventHandler::ResolveUILayout |
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405 //------------------------------------------------------------------------------ |
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406 // |
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407 void CWsEventHandler::ResolveUILayout( TDisplayUILayoutValues& aLayout, |
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408 CFbsBitGc::TGraphicsOrientation& aRotation ) const |
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409 { |
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410 FUNC_LOG; |
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411 |
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412 // Resolve the current UI layout from screen dimensions |
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413 TInt mode = iWsScreenDevice->CurrentScreenMode(); |
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414 INFO_1( "Current screen mode: [%d]", mode ); |
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415 |
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416 TPixelsAndRotation pixelsAndRotation; |
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417 iWsScreenDevice->GetScreenModeSizeAndRotation( mode, pixelsAndRotation ); |
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418 INFO_3( "Current screen mode size and rotation: Size: [W=%d, H=%d], Rotation: [%S]", |
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419 pixelsAndRotation.iPixelSize.iWidth, |
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420 pixelsAndRotation.iPixelSize.iHeight, |
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421 &RotationAsDesC( pixelsAndRotation.iRotation ) ); |
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422 |
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423 // Resolve current UI rotation |
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424 aRotation = pixelsAndRotation.iRotation; |
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425 |
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426 // Resovle current UI layout mode |
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427 TSize screenSize( pixelsAndRotation.iPixelSize ); |
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428 if( screenSize.iWidth < screenSize.iHeight ) |
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429 { |
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430 // Assuming portrait layout |
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431 INFO( "Current UI layout resolved to be in 'Portrait' mode" ); |
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432 aLayout = EUILayoutValuePortrait; |
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433 } |
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434 else if( screenSize.iWidth > screenSize.iHeight ) |
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435 { |
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436 // Assuming landscape layout |
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437 INFO( "Current UI layout resolved to be in 'Landscape' mode" ); |
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438 aLayout = EUILayoutValueLandscape; |
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439 } |
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440 else |
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441 { |
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442 // Need to check the rotation even though this might not be correct |
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443 // if wsini.ini has not been configured properly. |
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444 CFbsBitGc::TGraphicsOrientation orientation( |
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445 pixelsAndRotation.iRotation ); |
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446 if( orientation == CFbsBitGc::EGraphicsOrientationNormal || |
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447 orientation == CFbsBitGc::EGraphicsOrientationRotated180 ) |
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448 { |
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449 // Assuming portrait layout |
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450 INFO( "Current UI layout resolved to be in 'Portrait' mode" ); |
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451 aLayout = EUILayoutValuePortrait; |
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452 } |
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453 else |
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454 { |
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455 // Assuming landscape layout |
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456 INFO( "Current UI layout resolved to be in 'Landscape' mode" ); |
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457 aLayout = EUILayoutValueLandscape; |
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458 } |
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459 } |
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460 } |
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461 |
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462 //------------------------------------------------------------------------------ |
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463 // CWsEventHandler::RunL |
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464 //------------------------------------------------------------------------------ |
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465 // |
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466 void CWsEventHandler::RunL() |
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467 { |
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468 FUNC_LOG; |
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469 |
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470 TInt err = iStatus.Int(); |
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471 if( err == KErrNone ) |
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472 { |
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473 // No errors occured, fetch event |
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474 TWsEvent wsEvent; |
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475 iWsSession.GetEvent( wsEvent ); |
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476 |
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477 // Continue listening |
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478 IssueRequest(); |
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479 |
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480 // Forward event to observer |
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481 iObserver.HandleWsEventL( wsEvent ); |
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482 } |
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483 else |
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484 { |
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485 // Continue listening |
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486 IssueRequest(); |
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487 |
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488 // Forward error to observer |
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489 iObserver.HandleWsEventErrorL( err ); |
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490 } |
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491 } |
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492 |
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493 //------------------------------------------------------------------------------ |
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494 // CWsEventHandler::DoCancel |
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495 //------------------------------------------------------------------------------ |
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496 // |
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497 void CWsEventHandler::DoCancel() |
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498 { |
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499 FUNC_LOG; |
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500 |
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501 // Cancel event ready from window server |
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502 iWsSession.EventReadyCancel(); |
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503 } |
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504 |
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505 //------------------------------------------------------------------------------ |
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506 // CWsEventHandler::RunError |
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507 //------------------------------------------------------------------------------ |
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508 // |
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509 TInt CWsEventHandler::RunError( TInt /*aError*/ ) |
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510 { |
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511 FUNC_LOG; |
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512 |
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513 // Issue a new request, other error handling is not performed since the |
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514 // problem has occured in the observer code |
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515 IssueRequest(); |
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516 |
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517 return KErrNone; |
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518 } |
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519 |
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520 // End of file |