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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: Slideshow command handler |
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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 #include "glxcommandhandlerslideshow.h" |
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22 |
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23 #include <data_caging_path_literals.hrh> |
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24 #include <mpxcollectionpath.h> |
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25 #include <mpxmediadrmdefs.h> // for KMPXMediaDrmProtected |
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26 #include <mpxviewutility.h> |
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27 #include <aknViewAppUi.h> |
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28 |
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29 #include <glxuiutilities.rsg> |
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30 #include <mglxmedialist.h> |
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31 #include <glxuistd.h> |
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32 #include <glxcommandhandlers.hrh> |
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33 #include <glxresourceutilities.h> // for CGlxResourceUtilities |
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34 #include <glxattributecontext.h> // for CGlxAttributeContext |
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35 #include <glxmedia.h> // for TGlxMedia |
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36 #include <StringLoader.h> // for stringloader |
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37 #include <glxlog.h> |
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38 |
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39 #include "shwslideshowviewplugin.hrh" // for the slideshow view's UID |
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40 #include "shwslideshowsettingsplugin_UID.hrh"// for slideshow setting dlg UID |
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41 #include "glxuiutility.h" |
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42 #include "glxscreenfurniture.h" |
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43 #include <glxicons.mbg> |
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44 #include <glxsetappstate.h> // set PCFW app state |
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45 #include <glxsettingsmodel.h> |
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46 #include <glxupnprenderer.h> // get UPnP state |
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47 #include <glxgeneraluiutilities.h> |
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48 namespace |
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49 { |
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50 const TInt KShwDefaultBufferSize = 128; |
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51 } |
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52 |
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53 // This class does not have access to a CEikonEnv and hence |
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54 // pls ignore the code scanner warning - Using CEikonEnv::Static |
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55 #define GetAppUi() (dynamic_cast<CAknViewAppUi*>(CEikonEnv::Static()->EikAppUi())) |
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56 |
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57 // --------------------------------------------------------------------------- |
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58 // Two-phased constructor. |
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59 // --------------------------------------------------------------------------- |
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60 // |
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61 EXPORT_C CGlxCommandHandlerSlideshow* CGlxCommandHandlerSlideshow::NewL( |
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62 MGlxMediaListProvider* aMediaListProvider, TBool aStepBack, TBool aHasToolbarItem ) |
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63 { |
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64 GLX_LOG_INFO( "CGlxCommandHandlerSlideshow::NewL" ); |
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65 CGlxCommandHandlerSlideshow* self = new ( ELeave ) |
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66 CGlxCommandHandlerSlideshow(aMediaListProvider, aStepBack, aHasToolbarItem); |
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67 CleanupStack::PushL( self ); |
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68 self->ConstructL(); |
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69 CleanupStack::Pop( self ); |
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70 return self; |
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71 } |
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72 |
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73 // --------------------------------------------------------------------------- |
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74 // C++ default constructor can NOT contain any code, that |
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75 // might leave. |
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76 // --------------------------------------------------------------------------- |
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77 // |
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78 CGlxCommandHandlerSlideshow::CGlxCommandHandlerSlideshow( MGlxMediaListProvider* |
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79 aMediaListProvider, TBool aStepBack, TBool aHasToolbarItem ) |
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80 : CGlxMediaListCommandHandler(aMediaListProvider, aHasToolbarItem), iStepBack(aStepBack) |
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81 { |
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82 // Do nothing |
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83 } |
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84 |
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85 // --------------------------------------------------------------------------- |
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86 // Symbian 2nd phase constructor can leave. |
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87 // --------------------------------------------------------------------------- |
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88 // |
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89 void CGlxCommandHandlerSlideshow::ConstructL() |
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90 { |
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91 GLX_LOG_INFO( "CGlxCommandHandlerSlideshow::ConstructL" ); |
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92 |
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93 // Get a handle |
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94 iUiUtility = CGlxUiUtility::UtilityL(); |
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95 |
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96 // Load resource file |
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97 TParse parse; |
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98 parse.Set(KGlxUiUtilitiesResource, &KDC_APP_RESOURCE_DIR, NULL); |
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99 TFileName resourceFile; |
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100 resourceFile.Append(parse.FullName()); |
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101 CGlxResourceUtilities::GetResourceFilenameL(resourceFile); |
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102 iResourceOffset = CCoeEnv::Static()->AddResourceFileL( resourceFile ); |
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103 |
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104 // CGlxSettingsModel* model = CGlxSettingsModel::InstanceL(); |
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105 iShowInToolbar = ETrue; //model->ShowSlideshowInToolbar(); |
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106 // model->Close(); |
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107 |
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108 // Add supported commands with filter fields |
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109 // Play slideshow forwards |
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110 TCommandInfo info( EGlxCmdSlideshowPlay ); |
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111 // Disable for static items and dont enable empty slideshow |
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112 info.iMinSelectionLength = 1; |
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113 // Enable only for albums that have more than one item |
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114 info.iMinSlideshowPlayableContainedItemCount = 1; |
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115 // Disable for animated GIFs |
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116 info.iDisallowAnimatedGIFs = ETrue; |
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117 // Disable DRM protected content |
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118 info.iDisallowDRM = ETrue; |
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119 // Note! cannot just require all to be images as user can also start |
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120 // slideshow for a whole album from list view and in that case |
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121 // selection contains a container |
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122 // Disable all videos |
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123 TMPXGeneralCategory categoryFilter = EMPXVideo; |
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124 // Disable the command for videos |
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125 TCommandInfo::TCategoryRule categoryRule = TCommandInfo::EForbidAll; |
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126 info.iCategoryFilter = categoryFilter; |
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127 info.iCategoryRule = categoryRule; |
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128 AddCommandL( info ); |
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129 |
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130 // Play slideshow backwards: only the id changes |
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131 //info.iCommandId = EGlxCmdSlideshowPlayBackwards; |
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132 //AddCommandL( info ); |
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133 |
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134 // new info to get the default filters |
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135 TCommandInfo info_show_always( EGlxCmdSlideshowSettings ); |
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136 // Disable for empty views and views with only static items |
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137 info_show_always.iMinSelectionLength = 1; |
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138 // slideshow settings |
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139 AddCommandL( info_show_always ); |
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140 |
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141 // Menu |
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142 info_show_always.iCommandId = EGlxCmdSlideshow; |
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143 AddCommandL( info_show_always ); |
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144 |
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145 // Dummy command to get UPnP state |
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146 TCommandInfo infoUpnpState( EGlxCmdShowViaUpnpStateChanged ); |
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147 AddCommandL( infoUpnpState ); |
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148 |
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149 // Buffer |
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150 iBufFlat = CBufFlat::NewL( KShwDefaultBufferSize ); |
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151 } |
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152 |
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153 // --------------------------------------------------------------------------- |
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154 // Destructor |
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155 // --------------------------------------------------------------------------- |
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156 // |
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157 EXPORT_C CGlxCommandHandlerSlideshow::~CGlxCommandHandlerSlideshow() |
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158 { |
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159 GLX_LOG_INFO( "CGlxCommandHandlerSlideshow::~CGlxCommandHandlerSlideshow" ); |
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160 if ( iResourceOffset ) |
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161 { |
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162 CCoeEnv::Static()->DeleteResourceFile(iResourceOffset); |
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163 } |
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164 |
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165 if (iUiUtility) |
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166 { |
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167 iUiUtility->Close(); |
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168 } |
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169 |
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170 delete iBufFlat; |
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171 delete iBuffer; |
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172 } |
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173 |
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174 // --------------------------------------------------------------------------- |
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175 // DoActivateL |
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176 // --------------------------------------------------------------------------- |
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177 // |
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178 void CGlxCommandHandlerSlideshow::DoActivateL(TInt aViewId) |
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179 { |
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180 GLX_LOG_INFO( "CGlxCommandHandlerSlideshow::DoActivateL" ); |
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181 iViewId = aViewId; |
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182 |
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183 // for media list item "focus changed" notification |
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184 MGlxMediaList& mediaList( MediaList() ); |
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185 mediaList.AddMediaListObserverL( this ); |
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186 } |
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187 |
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188 |
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189 // ---------------------------------------------------------------------------- |
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190 // Deactivate |
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191 // ---------------------------------------------------------------------------- |
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192 void CGlxCommandHandlerSlideshow::Deactivate() |
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193 { |
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194 GLX_LOG_INFO( "CGlxCommandHandlerSlideshow::Deactivate" ); |
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195 |
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196 MGlxMediaList& mediaList( MediaList() ); |
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197 mediaList.RemoveMediaListObserver( this ); |
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198 } |
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199 |
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200 // ---------------------------------------------------------------------------- |
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201 // IsSlideshowPlayableOnFocusedContainer |
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202 // ---------------------------------------------------------------------------- |
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203 // |
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204 TBool CGlxCommandHandlerSlideshow::IsSlideshowNotPlayableOnFocusedContainer |
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205 (TInt aCommandId, MGlxMediaList& aList) |
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206 { |
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207 TBool slideshowDisabled = EFalse; |
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208 |
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209 // get the media item |
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210 const TGlxMedia& item = aList.Item( aList.FocusIndex() ); |
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211 const TCommandInfo& info = CommandInfo(aCommandId); |
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212 |
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213 // Check minimum item count if not yet disabled by previous rules |
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214 TInt count(0); |
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215 |
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216 if( (info.iMinSlideshowPlayableContainedItemCount )&& |
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217 ( item.GetSlideshowPlayableContainedItemCount(count) ) ) |
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218 { |
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219 // disable if less than required amount of items in container |
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220 // (ignore non-containers, i.e. -1) |
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221 if( count != -1 ) |
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222 { |
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223 slideshowDisabled = ( count < info.iMinSlideshowPlayableContainedItemCount ); |
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224 } |
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225 } |
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226 return slideshowDisabled; |
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227 } |
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228 |
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229 // ----------------------------------------------------------------------------- |
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230 // DoExecute - the relevant action for the command id |
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231 // ----------------------------------------------------------------------------- |
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232 // |
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233 TBool CGlxCommandHandlerSlideshow::DoExecuteL(TInt aCommandId, |
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234 MGlxMediaList& aList ) |
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235 { |
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236 GLX_LOG_INFO( "CGlxCommandHandlerSlideshow::DoExecuteL" ); |
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237 TBool handledCommand = ETrue; |
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238 |
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239 switch (aCommandId) |
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240 { |
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241 case EGlxCmdSlideshowPlay: |
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242 { |
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243 // This check has to be done again here since Slideshow can be |
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244 // activated from toolbar even when there are non-slideshow playable |
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245 // items in a container and when that container is focused. |
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246 if( IsSlideshowNotPlayableOnFocusedContainer( aCommandId, aList ) ) |
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247 { |
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248 HBufC* popupText = NULL; |
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249 |
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250 //Load the "No Images to Play Slideshow" string from the resource file |
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251 popupText = StringLoader::LoadLC( R_GLX_NO_IMAGES_TO_PLAY_SLIDESHOW ); |
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252 |
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253 // Show the Info Note. |
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254 GlxGeneralUiUtilities::ShowInfoNoteL( popupText->Des(), EFalse ); |
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255 |
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256 // LoadLC will push text on to cleanupstack, |
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257 // hence it should be poped and destroyed |
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258 CleanupStack::PopAndDestroy( popupText ); |
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259 } |
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260 else |
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261 { |
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262 // Activate the slideshow view to play forwards |
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263 ActivateViewL( NShwSlideshow::EPlayForwards ); |
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264 |
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265 // set PCFW app state |
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266 GlxSetAppState::SetState(EGlxInSlideshowView); |
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267 } |
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268 break; |
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269 } |
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270 /* case EGlxCmdSlideshowPlayBackwards: |
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271 { |
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272 // Activate the slideshow view to play backwards |
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273 ActivateViewL( NShwSlideshow::EPlayBackwards ); |
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274 |
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275 // set PCFW app state |
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276 GlxSetAppState::SetState(EGlxInSlideshowView); |
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277 |
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278 break; |
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279 } */ |
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280 case EGlxCmdSlideshowSettings: |
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281 { |
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282 // In order for the Settings Dialogs Akn StatusPane to become |
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283 // visible the the Hui display should be deactivated & activated |
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284 // before & after the Settings Dialog (which is uses the Akn |
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285 // framework) is activated & deactivated respectively. |
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286 // Activating and deactivating the HUI within the Settings |
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287 // Dialog class will cause a Cone 8 panic. |
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288 |
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289 // hide HUI display |
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290 CGlxUiUtility::HideAlfDisplayL(); |
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291 { |
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292 MMPXViewUtility* viewUtility = MMPXViewUtility::UtilityL(); |
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293 CleanupClosePushL(*viewUtility); |
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294 |
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295 // Activate the slideshow settings dialog |
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296 viewUtility->ActivateViewL( |
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297 TUid::Uid(KShwSettingsDlgImplementationUid)); |
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298 |
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299 CleanupStack::PopAndDestroy(viewUtility); |
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300 } |
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301 // show HUI display |
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302 CGlxUiUtility::ShowAlfDisplayL(); |
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303 GetAppUi()->ProcessCommandL(EGlxCmdResetView); |
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304 break; |
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305 } |
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306 case EGlxCmdShowViaUpnpStateChanged: |
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307 { |
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308 handledCommand = EFalse; |
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309 break; |
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310 } |
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311 default: |
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312 { |
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313 handledCommand = EFalse; |
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314 break; |
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315 } |
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316 } |
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317 |
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318 return handledCommand; |
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319 } |
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320 |
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321 // ----------------------------------------------------------------------------- |
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322 // DoIsDisabled |
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323 // ----------------------------------------------------------------------------- |
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324 // |
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325 TBool CGlxCommandHandlerSlideshow::DoIsDisabled( |
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326 TInt /*aCommandId*/, MGlxMediaList& /*aList*/) const |
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327 { |
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328 // Disable if UPnP is active |
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329 return ( GlxUpnpRenderer::Status() == NGlxUpnpRenderer::EActive ); |
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330 } |
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331 |
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332 // ----------------------------------------------------------------------------- |
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333 // BypassFiltersForExecute |
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334 // ----------------------------------------------------------------------------- |
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335 // |
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336 TBool CGlxCommandHandlerSlideshow::BypassFiltersForExecute() const |
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337 { |
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338 // Always bypass filters to minimise the time spent by the base class |
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339 // when it initialises the slideshow menu item. |
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340 return ETrue; |
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341 } |
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342 |
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343 // ---------------------------------------------------------------------------- |
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344 // HandleFocusChangedL |
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345 // ---------------------------------------------------------------------------- |
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346 void CGlxCommandHandlerSlideshow::HandleFocusChangedL( |
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347 NGlxListDefs::TFocusChangeType /*aType*/, |
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348 TInt /*aNewIndex*/, TInt /*aOldIndex*/, MGlxMediaList* /*aList*/ ) |
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349 { |
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350 GLX_FUNC("CGlxCommandHandlerSlideshow::HandleFocusChangedL"); |
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351 |
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352 } |
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353 |
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354 // --------------------------------------------------------------------------- |
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355 // HandleItemAddedL |
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356 // --------------------------------------------------------------------------- |
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357 // |
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358 void CGlxCommandHandlerSlideshow::HandleItemAddedL(TInt /*aStartIndex*/, |
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359 TInt /*aEndIndex*/, MGlxMediaList* /*aList*/) |
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360 { |
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361 } |
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362 |
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363 // --------------------------------------------------------------------------- |
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364 // HandleMediaL |
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365 // --------------------------------------------------------------------------- |
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366 // |
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367 void CGlxCommandHandlerSlideshow::HandleMediaL(TInt /*aListIndex*/, |
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368 MGlxMediaList* /*aList*/) |
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369 { |
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370 } |
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371 |
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372 // --------------------------------------------------------------------------- |
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373 // HandleItemRemovedL |
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374 // --------------------------------------------------------------------------- |
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375 // |
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376 void CGlxCommandHandlerSlideshow::HandleItemRemovedL(TInt /*aStartIndex*/, |
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377 TInt /*aEndIndex*/, MGlxMediaList* /*aList*/) |
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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 // HandleItemModifiedL |
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383 // --------------------------------------------------------------------------- |
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384 // |
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385 void CGlxCommandHandlerSlideshow::HandleItemModifiedL( |
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386 const RArray<TInt>& /*aItemIndexes*/, MGlxMediaList* /*aList*/) |
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387 { |
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388 } |
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389 |
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390 // --------------------------------------------------------------------------- |
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391 // HandleAttributesAvailableL |
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392 // --------------------------------------------------------------------------- |
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393 // |
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394 void CGlxCommandHandlerSlideshow::HandleAttributesAvailableL( |
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395 TInt aItemIndex, const RArray<TMPXAttribute>& aAttributes, |
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396 MGlxMediaList* /*aList*/ ) |
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397 { |
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398 if ( iShowInToolbar && MediaList().FocusIndex() == aItemIndex ) |
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399 { |
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400 TIdentityRelation<TMPXAttribute> match( TMPXAttribute::MatchContentId ); |
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401 |
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402 if ( aAttributes.Find( KMPXMediaGeneralCategory, match ) >= 0 |
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403 || aAttributes.Find( KMPXMediaDrmProtected, match ) >= 0 |
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404 || aAttributes.Find( KGlxMediaGeneralFramecount, match ) >= 0 ) |
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405 { |
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406 UpdateToolbar(); |
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407 } |
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408 } |
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409 } |
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410 |
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411 // --------------------------------------------------------------------------- |
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412 // HandleItemSelectedL |
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413 // --------------------------------------------------------------------------- |
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414 // |
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415 void CGlxCommandHandlerSlideshow::HandleItemSelectedL(TInt /*aIndex*/, |
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416 TBool /*aSelected*/, MGlxMediaList* /*aList*/) |
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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 // HandleMessageL |
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422 // --------------------------------------------------------------------------- |
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423 // |
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424 void CGlxCommandHandlerSlideshow::HandleMessageL( |
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425 const CMPXMessage& /*aMessage*/, MGlxMediaList* /*aList*/) |
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426 { |
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427 } |
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428 |
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429 // ----------------------------------------------------------------------------- |
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430 // ActivateViewL - launch the view |
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431 // ----------------------------------------------------------------------------- |
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432 // |
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433 void CGlxCommandHandlerSlideshow::ActivateViewL( NShwSlideshow::TPlayDirection |
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434 aPlaybackDirection ) |
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435 { |
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436 GLX_LOG_INFO( "CGlxCommandHandlerSlideshow::ActivateViewL" ); |
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437 |
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438 // Determine the path from the media list |
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439 CMPXCollectionPath* path = MediaList().PathLC(); |
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440 // Ensure the path's at the correct level for the view |
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441 if ( iStepBack && path->Levels() > 0 ) |
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442 { |
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443 path->Back(); |
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444 } |
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445 // Stream the data buffer |
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446 RBufWriteStream stream; |
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447 stream.Open( *iBufFlat ); |
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448 CleanupClosePushL( stream ); |
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449 // Write out the playback direction |
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450 stream.WriteInt32L( aPlaybackDirection ); |
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451 stream.CommitL(); |
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452 // Externalize the path to the stream |
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453 path->ExternalizeL( stream ); |
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454 |
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455 // ActivateViewL takes a TDesC*, rather than a TDesC8 |
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456 // so copy the data accordingly |
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457 if ( iBuffer ) |
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458 { |
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459 delete iBuffer; |
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460 iBuffer = NULL; |
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461 } |
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462 |
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463 TInt length = iBufFlat->Size(); |
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464 iBuffer = HBufC::NewL( length ); |
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465 TPtr bufferPtr = iBuffer->Des(); |
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466 TPtr8 ptr = iBufFlat->Ptr( 0 ); |
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467 bufferPtr.Copy( ptr ); |
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468 |
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469 // Get the view utility |
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470 MMPXViewUtility* viewUtility = MMPXViewUtility::UtilityL(); |
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471 CleanupClosePushL( *viewUtility ); |
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472 |
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473 viewUtility->ActivateViewL( TUid::Uid(KShwSlideshowViewImplementationId), |
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474 iBuffer ); |
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475 |
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476 // set the view navigation direction so that previous view keeps its |
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477 // media list and focus |
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478 iUiUtility->SetViewNavigationDirection( EGlxNavigationForwards ); |
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479 |
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480 CleanupStack::PopAndDestroy( 3, path ); // viewUtility, stream and path |
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481 } |
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482 |
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483 // --------------------------------------------------------------------------- |
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484 // UpdateToolbarL |
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485 // --------------------------------------------------------------------------- |
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486 // |
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487 void CGlxCommandHandlerSlideshow::UpdateToolbar() |
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488 { |
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489 TBool visible = EFalse; |
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490 |
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491 if ( GlxUpnpRenderer::Status() != NGlxUpnpRenderer::EActive ) |
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492 { |
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493 TInt focus = MediaList().FocusIndex(); |
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494 |
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495 if ( focus >= 0 ) |
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496 { |
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497 const TGlxMedia& media = MediaList().Item( focus ); |
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498 |
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499 TInt frameCount = 0; |
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500 // get count, ignore return value |
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501 (void)media.GetFrameCount( frameCount ); |
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502 |
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503 // medialistcommandhandler has added these attributes to a low |
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504 // priority fetch context when command was loaded so the values |
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505 // should be loaded |
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506 visible = ( EMPXImage == media.Category() |
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507 && !media.IsDrmProtected() |
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508 && 1 == frameCount ); |
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509 } |
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510 } |
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511 |
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512 iUiUtility->ScreenFurniture()->SetToolbarItemVisibility( |
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513 EGlxCmdSlideshowPlay, visible ); |
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514 } |
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515 |
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516 |
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517 // --------------------------------------------------------------------------- |
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518 // PopulateToolbar |
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519 // --------------------------------------------------------------------------- |
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520 // |
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521 void CGlxCommandHandlerSlideshow::PopulateToolbarL() |
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522 { |
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523 |
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524 iUiUtility->ScreenFurniture()->SetTooltipL( EGlxCmdSlideshowPlay, CAknButton::EPositionLeft ); |
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525 } |
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526 |
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527 // End of File |