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1 /* |
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2 * Copyright (c) 2007-2008 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: The view key handling control for the slideshow |
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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 // CLASS HEADER |
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22 #include "shwslideshowkeyhandler.h" |
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23 |
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24 // EXTERNAL INCLUDES |
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25 |
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26 // INTERNAL INCLUDES |
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27 #include <glxlog.h> |
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28 #include <glxtracer.h> |
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29 #include <glxuiutility.h> |
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30 #include "shwslideshowengine.h" |
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31 #include "shwslideshowpausehandler.h" |
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32 #include "shwslideshowview.h" |
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33 // ----------------------------------------------------------------------------- |
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34 // C++ Constructor. |
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35 // ----------------------------------------------------------------------------- |
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36 inline CShwSlideShowKeyHandler::CShwSlideShowKeyHandler( |
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37 CShwSlideshowEngine& aEngine, |
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38 CShwSlideShowPauseHandler& aPauseHandler, |
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39 TInt& aState ) |
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40 : iEngine( aEngine ),iPauseHandler( aPauseHandler ), iState( aState ) |
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41 { |
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42 TRACER("CShwSlideShowKeyHandler::CShwSlideShowKeyHandler"); |
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43 GLX_LOG_INFO("CShwSlideShowKeyHandler::CShwSlideShowKeyHandler"); |
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44 // No implementation required |
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45 } |
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46 |
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47 // ----------------------------------------------------------------------------- |
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48 // ConstructL |
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49 // ----------------------------------------------------------------------------- |
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50 void CShwSlideShowKeyHandler::ConstructL() |
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51 { |
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52 TRACER("CShwSlideShowKeyHandler::ConstructL"); |
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53 GLX_LOG_INFO("CShwSlideShowKeyHandler::ConstructL"); |
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54 iUiUtility = CGlxUiUtility::UtilityL(); |
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55 } |
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56 |
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57 // ----------------------------------------------------------------------------- |
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58 // NewL. Static construction |
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59 // ----------------------------------------------------------------------------- |
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60 CShwSlideShowKeyHandler* CShwSlideShowKeyHandler::NewL( |
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61 CShwSlideshowEngine& aEngine, |
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62 CShwSlideShowPauseHandler& aPauseHandler, |
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63 TInt& aState ) |
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64 { |
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65 TRACER("CShwSlideShowKeyHandler::NewL"); |
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66 GLX_LOG_INFO("CShwSlideShowKeyHandler::NewL"); |
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67 CShwSlideShowKeyHandler* self = |
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68 new( ELeave ) CShwSlideShowKeyHandler( aEngine, aPauseHandler, |
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69 aState ); |
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70 CleanupStack::PushL(self); |
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71 self->ConstructL(); |
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72 CleanupStack::Pop(self); |
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73 return self; |
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74 } |
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75 |
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76 // ----------------------------------------------------------------------------- |
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77 // Destructor. |
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78 // ----------------------------------------------------------------------------- |
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79 CShwSlideShowKeyHandler::~CShwSlideShowKeyHandler() |
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80 { |
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81 TRACER("CShwSlideShowKeyHandler::~CShwSlideShowKeyHandler"); |
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82 GLX_LOG_INFO("CShwSlideShowKeyHandler::~CShwSlideShowKeyHandler"); |
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83 if ( iUiUtility ) |
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84 { |
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85 iUiUtility->Close(); |
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86 } |
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87 // No implementation required |
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88 } |
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89 |
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90 // ----------------------------------------------------------------------------- |
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91 // OfferKeyEventL. |
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92 // ----------------------------------------------------------------------------- |
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93 TKeyResponse CShwSlideShowKeyHandler::OfferKeyEventL( |
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94 const TKeyEvent& aKeyEvent, TEventCode aType ) |
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95 { |
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96 TRACER("CShwSlideShowKeyHandler::OfferKeyEventL"); |
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97 GLX_LOG_INFO( "CShwSlideShowKeyHandler::OfferKeyEventL" ); |
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98 TKeyResponse retVal = EKeyWasNotConsumed; |
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99 |
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100 if( aType == EEventKeyDown ) |
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101 { |
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102 switch( aKeyEvent.iScanCode ) |
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103 { |
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104 case EStdKeyIncVolume : // volume up |
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105 { |
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106 iEngine.VolumeUpL(); |
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107 retVal = EKeyWasConsumed; |
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108 break; |
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109 } |
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110 case EStdKeyDecVolume : // volume down |
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111 { |
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112 iEngine.VolumeDownL(); |
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113 retVal = EKeyWasConsumed; |
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114 break; |
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115 } |
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116 case EStdKeyLeftArrow : // this gets rotated in landscape |
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117 { |
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118 // show previous image |
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119 iEngine.PreviousItemL(); |
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120 retVal = EKeyWasConsumed; |
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121 break; |
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122 } |
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123 case EStdKeyRightArrow : // this gets rotated in landscape |
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124 { |
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125 iEngine.NextItemL(); |
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126 retVal = EKeyWasConsumed; |
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127 break; |
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128 } |
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129 case EStdKeyDevice0 : // left soft key |
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130 { |
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131 iEngine.LSKPressedL(); |
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132 // key was consumed |
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133 retVal = EKeyWasConsumed; |
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134 break; |
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135 } |
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136 case EStdKeyDevice3 : // navi select |
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137 { |
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138 iPauseHandler.ToggleUiControlsVisibiltyL(); |
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139 // key was consumed |
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140 retVal = EKeyWasConsumed; |
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141 break; |
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142 } |
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143 case EStdKeyDevice1 : // right soft key |
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144 { |
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145 // Exiting so revert to showing the system skin |
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146 // Note: this has to be done here, not in the view deactivation |
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147 // as when we come to deactivate, the screen furniture will |
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148 // match the view id to the active view (e.g. the tile view) |
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149 //@todo-check |
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150 //iScreenFurniture.DisableSystemSkinL( iViewId.iUid, |
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151 // CGlxScreenFurniture::EGlxSfItemLeftSoftkey, EFalse ) |
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152 //iScreenFurniture.DisableSystemSkinL( iViewId.iUid, |
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153 // CGlxScreenFurniture::EGlxSfItemRightSoftkey, EFalse ) |
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154 // Note that in practice it doesn't matter whether we return |
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155 // EKeyWasConsumed or EKeyWasNotConsumed as the result is |
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156 // the same (we still get back to the last view). This is due to |
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157 // HUI's key handling. So, for safety's sake, if in future there |
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158 // are changes to HUI to cease processing the key events when |
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159 // EKeyWasConsumed is returned, then we return EKeyWasNotConsumed to |
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160 // ensure that the command is forwarded to the back command handler. |
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161 break; |
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162 } |
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163 default: |
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164 { |
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165 retVal = EKeyWasNotConsumed; |
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166 break; |
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167 } |
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168 }// end switch |
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169 }// end if |
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170 // if its a system generated exit event |
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171 // set the state |
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172 else if (aType == EEventKey && aKeyEvent.iScanCode == EStdKeyNo) |
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173 { |
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174 iUiUtility->SetExitingState(ETrue); |
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175 } // end if else |
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176 |
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177 return retVal; |
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178 } |