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1 /* |
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2 * Copyright (c) 2008-2009 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: Handles & propogates UI state change notifications. |
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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 |
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20 /** |
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21 * @internal reviewed 24/08/2007 by D Holland |
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22 */ |
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23 |
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24 // Class header |
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25 #include "glxtv.h" |
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26 |
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27 // External includes |
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28 #include <w32std.h> // for TWsVisibilityChangedEvent |
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29 |
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30 // INTERNAL INCLUDES |
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31 #include <glxlog.h> // for debug logging |
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32 #include <glxtracer.h> // for debug logging |
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33 #include <glxpanic.h> // for Gallery panic codes |
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34 #include <glxtvconstants.h> // for ETvConnectionChanged, TV heights |
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35 #include <centralrepository.h> // for CRepository |
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36 #ifdef __MARM |
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37 #include <GSServerEngine.h> |
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38 #endif |
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39 |
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40 // GLXTVOUT INCLUDES |
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41 #include "mglxtvobserver.h" // for MGlxTvObserver |
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42 #include "glxwindowvisibilitymonitor.h" // for CGlxWindowVisibilityMonitor |
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43 #include "glxtvconnectionmonitor.h" // for CGlxTvConnectionMonitor |
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44 |
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45 const TUid KCRUidTvoutSettings = {0x1020730B}; |
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46 |
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47 using namespace glxTvOut; |
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48 |
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49 /** |
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50 * CGlxTvOutCenRepMonitor |
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51 * CGlxTv conainted class for observing changes in central |
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52 * repository TV aspect Ratio value |
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53 * @author Loughlin Spollen |
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54 */ |
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55 NONSHARABLE_CLASS( CGlxTv::CGlxTvOutCenRepMonitor ) |
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56 : public CActive |
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57 { |
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58 public: // Constructors and destructor |
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59 /** |
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60 * Symbian Constructor. |
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61 * @param The TV Observer |
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62 * @param The central repository |
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63 * @return constructed object |
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64 */ |
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65 static CGlxTvOutCenRepMonitor* NewL(MGlxTvObserver& aTvObserver, |
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66 CRepository& aRepository); |
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67 |
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68 /** |
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69 * Destructor. |
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70 */ |
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71 ~CGlxTvOutCenRepMonitor(); |
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72 |
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73 private: |
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74 /** |
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75 * C++ constructor. |
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76 * @param The TV Observer |
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77 * @param The central repository |
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78 * @return constructed object |
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79 */ |
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80 CGlxTvOutCenRepMonitor(MGlxTvObserver& aTvObserver, |
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81 CRepository& aRepository); |
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82 /** |
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83 * 2nd phase constructor |
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84 */ |
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85 void ConstructL(); |
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86 |
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87 protected: // from CActive |
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88 /** |
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89 * @ref CActive::RunL |
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90 */ |
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91 void RunL(); |
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92 |
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93 /** |
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94 * @ref CActive::DoCancel |
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95 */ |
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96 void DoCancel(); |
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97 |
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98 /** |
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99 * @ref CActive::RunError |
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100 */ |
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101 TInt RunError(TInt aError); |
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102 |
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103 private: |
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104 |
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105 // Not Owned: the Glx TV observer |
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106 MGlxTvObserver& iTvObserver; |
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107 |
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108 // Not Owned: the central repository API |
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109 CRepository& iRepository; |
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110 |
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111 TUint iSettingsTVAspectRatio; |
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112 // the central repository identifier |
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113 TUid iRepositoryUid; |
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114 }; |
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115 |
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116 |
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117 |
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118 |
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119 // ----------------------------------------------------------------------------- |
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120 // Two-phased constructor. |
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121 // ----------------------------------------------------------------------------- |
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122 CGlxTv::CGlxTvOutCenRepMonitor* CGlxTv::CGlxTvOutCenRepMonitor::NewL |
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123 ( MGlxTvObserver& aTvObserver, |
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124 CRepository& aRepository ) |
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125 { |
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126 TRACER("CGlxTv::CGlxTvOutCenRepMonitor::NewL()"); |
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127 |
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128 CGlxTvOutCenRepMonitor* self |
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129 = new(ELeave) CGlxTvOutCenRepMonitor( aTvObserver, aRepository ); |
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130 CleanupStack::PushL( self ); |
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131 self->ConstructL(); |
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132 CleanupStack::Pop( self ); |
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133 return self; |
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134 } |
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135 |
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136 |
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137 |
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138 |
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139 // ----------------------------------------------------------------------------- |
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140 // C++ constructor. |
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141 // ----------------------------------------------------------------------------- |
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142 inline CGlxTv::CGlxTvOutCenRepMonitor::CGlxTvOutCenRepMonitor |
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143 ( MGlxTvObserver& aTvObserver, |
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144 CRepository& aRepository ) |
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145 : CActive( EPriorityStandard ), |
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146 iTvObserver ( aTvObserver ), |
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147 iRepository( aRepository ) |
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148 { |
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149 TRACER("CGlxTv::CGlxTvOutCenRepMonitor::CGlxTvOutCenRepMonitor()"); |
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150 } |
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151 |
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152 |
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153 |
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154 // ---------------------------------------------------------------------------- |
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155 // Symbian 2nd phase constructor |
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156 // ---------------------------------------------------------------------------- |
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157 void CGlxTv::CGlxTvOutCenRepMonitor::ConstructL() |
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158 { |
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159 TRACER("CGlxTv::CGlxTvOutCenRepMonitor::ConstructL"); |
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160 CActiveScheduler::Add( this ); |
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161 #ifdef __MARM |
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162 CGSServerEngine* aGSServerEngine= CGSServerEngine::NewLC(); |
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163 iSettingsTVAspectRatio = aGSServerEngine->AspectRatioL(); |
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164 CleanupStack::Pop(aGSServerEngine); |
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165 #else |
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166 iSettingsTVAspectRatio = 0; |
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167 #endif |
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168 // Commenting out code for request notification as these doesnt work fine, |
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169 // would be soon updated with latest api's to support aspectration chnages. |
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170 // Request notification when the user changes cenrep values |
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171 // TInt err = iRepository.NotifyRequest( iSettingsTVAspectRatio, iStatus ); |
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172 // if (!(KErrNone ==err ||KErrAlreadyExists ==err)) |
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173 // { |
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174 // RDebug::Printf("## Error code in CGlxTv::CGlxTvOutCenRepMonitor::ConstructL() is %d",err); |
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175 // User::Leave(err); |
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176 // } |
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177 |
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178 // SetActive(); |
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179 } |
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180 |
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181 |
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182 |
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183 // ---------------------------------------------------------------------------- |
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184 // Destructor |
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185 // ---------------------------------------------------------------------------- |
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186 CGlxTv::CGlxTvOutCenRepMonitor::~CGlxTvOutCenRepMonitor() |
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187 { |
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188 TRACER("CGlxTv::~CGlxTvOutCenRepMonitor()"); |
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189 Cancel(); |
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190 } |
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191 |
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192 |
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193 |
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194 // ---------------------------------------------------------------------------- |
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195 // CGlxTvOutCenRepMonitor::RunL |
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196 // From class CActive. |
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197 // ---------------------------------------------------------------------------- |
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198 void CGlxTv::CGlxTvOutCenRepMonitor::RunL() |
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199 { |
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200 TRACER("CGlxTv::CGlxTvOutCenRepMonitor::RunL"); |
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201 // Check for errors |
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202 User::LeaveIfError( iStatus.Int() ); |
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203 GLX_LOG_INFO("CGlxTvOutCenRepMonitor - RunL completed with Err Code"); |
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204 User::LeaveIfError( iRepository.NotifyRequest( iSettingsTVAspectRatio, iStatus ) ); |
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205 if (!IsActive()) |
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206 { |
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207 SetActive(); |
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208 iTvObserver.HandleTvStatusChangedL( ETvConnectionChanged ); |
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209 } |
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210 } |
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211 |
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212 |
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213 |
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214 // ---------------------------------------------------------------------------- |
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215 // CGlxTvOutCenRepMonitor::DoCancel |
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216 // From class CActive. |
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217 // ---------------------------------------------------------------------------- |
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218 void CGlxTv::CGlxTvOutCenRepMonitor::DoCancel() |
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219 { |
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220 TRACER("CGlxTv::CGlxTvOutCenRepMonitor::DoCancel()"); |
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221 iRepository.NotifyCancel( iSettingsTVAspectRatio ); |
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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 // CGlxTvOutCenRepMonitor::RunError |
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228 // From class CActive. |
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229 //----------------------------------------------------------------------------- |
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230 // |
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231 TInt CGlxTv::CGlxTvOutCenRepMonitor::RunError( TInt /*aError*/ ) |
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232 { |
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233 TRACER("CGlxTv::CGlxTvOutCenRepMonitor::RunError()"); |
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234 return KErrNone; |
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235 } |
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236 |
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237 |
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238 //----------------------------------------------------------------------------- |
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239 // Return new object |
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240 //----------------------------------------------------------------------------- |
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241 // |
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242 EXPORT_C CGlxTv* CGlxTv::NewL( MGlxTvObserver& aTvObserver ) |
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243 { |
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244 TRACER("CGlxTv::NewL()"); |
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245 CGlxTv* self = new (ELeave) CGlxTv( aTvObserver ); |
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246 CleanupStack::PushL( self ); |
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247 self->ConstructL(); |
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248 CleanupStack::Pop( self ); |
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249 return self; |
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250 } |
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251 |
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252 |
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253 |
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254 |
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255 //----------------------------------------------------------------------------- |
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256 // Destructor |
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257 //----------------------------------------------------------------------------- |
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258 // |
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259 EXPORT_C CGlxTv::~CGlxTv() |
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260 { |
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261 TRACER("CGlxTv::~CGlxTv()"); |
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262 StopMonitoringEnvironment(); |
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263 delete iTvConnectionMonitor; |
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264 } |
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265 |
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266 |
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267 |
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268 |
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269 //----------------------------------------------------------------------------- |
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270 // Default C++ constructor |
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271 //----------------------------------------------------------------------------- |
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272 // |
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273 CGlxTv::CGlxTv( MGlxTvObserver& aTvObserver ) : iTvObserver( aTvObserver ), |
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274 iAspectRatio( KErrUnknown ) |
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275 { |
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276 TRACER("CGlxTv::CGlxTv()"); |
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277 } |
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278 |
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279 |
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280 |
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281 |
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282 //----------------------------------------------------------------------------- |
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283 // Symbian second phase constructor |
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284 //----------------------------------------------------------------------------- |
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285 // |
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286 void CGlxTv::ConstructL() |
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287 { |
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288 TRACER("CGlxTv::ConstructL()"); |
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289 // Don't create the visibility monitor until the TV Out cable is connected |
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290 |
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291 // Owned: The TV connection monitor |
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292 iTvConnectionMonitor = CGlxTvConnectionMonitor::NewL( *this ); |
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293 |
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294 if ( iTvConnectionMonitor->IsConnected() ) |
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295 { |
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296 // Start monitoring the environment for changes |
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297 MonitorEnvironmentL(); |
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298 |
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299 // Calculate the TV Out screen buffer size |
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300 CalcTvScreenSzL(); |
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301 } |
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302 } |
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303 |
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304 |
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305 |
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306 |
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307 //----------------------------------------------------------------------------- |
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308 // returns the TV screen size |
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309 //----------------------------------------------------------------------------- |
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310 // |
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311 EXPORT_C TSize CGlxTv::ScreenSizeL() const |
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312 { |
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313 TRACER("CGlxTv::ScreenSizeL()"); |
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314 return iSzInPixels; |
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315 } |
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316 |
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317 |
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318 |
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319 |
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320 //----------------------------------------------------------------------------- |
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321 // Is the TV Connected |
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322 //----------------------------------------------------------------------------- |
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323 // |
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324 EXPORT_C TBool CGlxTv::IsConnected() const |
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325 { |
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326 TRACER("CGlxTv::IsConnected()"); |
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327 return iTvConnectionMonitor->IsConnected(); |
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328 } |
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329 |
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330 |
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331 |
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332 //----------------------------------------------------------------------------- |
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333 // Is the TV widescreen |
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334 //----------------------------------------------------------------------------- |
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335 // |
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336 EXPORT_C TBool CGlxTv::IsWidescreen() const |
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337 { |
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338 TRACER("CGlxTv::IsWidescreen()"); |
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339 return iAspectRatio == KGlxTvAspectWide; |
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340 } |
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341 |
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342 |
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343 //----------------------------------------------------------------------------- |
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344 // From class MGlxWindowVisibilityObserver. |
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345 // Called when window becomes fully visible or not visible. |
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346 //----------------------------------------------------------------------------- |
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347 // |
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348 void CGlxTv::HandleWindowVisibilityChangedL( TTvChangeType aChangeType ) |
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349 { |
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350 TRACER("CGlxTv::HandleWindowVisibilityChangedL()"); |
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351 iTvObserver.HandleTvStatusChangedL( aChangeType ); |
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352 } |
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353 |
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354 |
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355 |
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356 //----------------------------------------------------------------------------- |
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357 // From class MGlxTvConnectionObserver. |
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358 // Called when TV connection state changes |
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359 //----------------------------------------------------------------------------- |
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360 // |
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361 void CGlxTv::HandleTvConnectionStatusChangedL( ) |
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362 { |
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363 TRACER("CGlxTv::HandleTvConnectionStatusChangedL()"); |
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364 |
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365 if ( iTvConnectionMonitor->IsConnected() ) |
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366 { |
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367 // Start monitoring the environment for changes |
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368 MonitorEnvironmentL(); |
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369 // Calculate the TV Out screen buffer |
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370 CalcTvScreenSzL(); |
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371 } |
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372 else |
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373 { |
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374 StopMonitoringEnvironment(); |
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375 } |
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376 iTvObserver.HandleTvStatusChangedL( ETvConnectionChanged ); |
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377 } |
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378 |
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379 |
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380 |
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381 //----------------------------------------------------------------------------- |
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382 // Retrieve the TV display aspect ratio |
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383 //----------------------------------------------------------------------------- |
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384 // |
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385 void CGlxTv::CalcTvScreenSzL() |
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386 { |
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387 TRACER("CGlxTv::CalcTvScreenSzL()"); |
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388 |
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389 // Retrieve the aspect ratio and the settings info from CenRep |
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390 iAspectRatio = KErrNotFound; |
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391 |
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392 #ifdef __MARM |
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393 CGSServerEngine* aGSServerEngine = CGSServerEngine::NewLC(); |
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394 iAspectRatio = aGSServerEngine->AspectRatioL(); |
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395 CleanupStack::Pop(aGSServerEngine); |
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396 User::LeaveIfError( iAspectRatio ); |
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397 #else |
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398 iAspectRatio = 0; |
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399 #endif |
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400 // note: Constants are defined in the GSServerEngine.cpp and not exported |
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401 // they are defined locally in glxtvconstants.h |
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402 switch( iAspectRatio ) |
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403 { |
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404 case KGlxTvAspectWide: |
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405 { |
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406 iSzInPixels = TSize ( KGlxTvOutWidthWide, KGlxTvOutHeightWide) ; |
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407 break; |
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408 } |
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409 case KGlxTvAspectNormal: |
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410 { |
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411 iSzInPixels = TSize ( KGlxTvOutWidth, KGlxTvOutHeight ); |
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412 break; |
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413 } |
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414 default: |
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415 { |
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416 User::Leave(KErrUnknown); |
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417 } |
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418 } |
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419 } |
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420 |
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421 |
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422 //----------------------------------------------------------------------------- |
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423 // From class MonitorEnvironmentL. |
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424 // Called when TV connection state changes to connected |
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425 //----------------------------------------------------------------------------- |
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426 // |
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427 void CGlxTv::MonitorEnvironmentL() |
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428 { |
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429 TRACER("CGlxTv::MonitorEnvironmentL()"); |
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430 |
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431 // Instantiate the central repository |
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432 if (!iCenRep) |
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433 { |
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434 // The Uid is hardcoded here as the hrh file giving us the Uid has been depricated and |
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435 // moved to a private folder |
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436 iCenRep = CRepository::NewL( KCRUidTvoutSettings ); |
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437 } |
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438 |
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439 // Monitor changes to the aspect ratio in the central repository |
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440 if (!iTvDisplayAspectRatioMonitor) |
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441 { |
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442 iTvDisplayAspectRatioMonitor |
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443 = CGlxTvOutCenRepMonitor::NewL( iTvObserver, *iCenRep ); |
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444 } |
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445 |
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446 // create window visibility monitoring object |
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447 if ( !iWindowVisibilityMonitor ) |
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448 { |
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449 iWindowVisibilityMonitor = |
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450 CGlxWindowVisibilityMonitor::NewL( *this ); |
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451 } |
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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 // StopMonitoringEnvironment(). |
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457 // Called when TV connection state changes to disconnected |
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458 //----------------------------------------------------------------------------- |
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459 // |
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460 void CGlxTv::StopMonitoringEnvironment() |
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461 { |
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462 TRACER("CGlxTv::StopMonitoringEnvironment()"); |
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463 delete iTvDisplayAspectRatioMonitor; // destroy before iCenRep - must cancel |
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464 iTvDisplayAspectRatioMonitor = NULL; // outstanding requests |
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465 if (iWindowVisibilityMonitor) |
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466 { |
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467 iWindowVisibilityMonitor->Close(); |
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468 } |
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469 delete iWindowVisibilityMonitor; |
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470 iWindowVisibilityMonitor = NULL; |
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471 delete iCenRep; |
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472 iCenRep = NULL; |
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473 } |
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474 |
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475 |
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476 // End of file |