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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 #include <glxtracer.h> |
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39 |
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40 #include "shwslideshowviewplugin.hrh" // for the slideshow view's UID |
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41 #include "shwslideshowsettingsplugin_UID.hrh"// for slideshow setting dlg UID |
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42 #include "glxuiutility.h" |
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43 #include "glxscreenfurniture.h" |
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44 #include <glxicons.mbg> |
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45 #include <glxsetappstate.h> // set PCFW app state |
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46 #include <glxsettingsmodel.h> |
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47 #include <glxupnprenderer.h> // get UPnP state |
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48 #include <glxgeneraluiutilities.h> |
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49 namespace |
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50 { |
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51 const TInt KShwDefaultBufferSize = 128; |
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52 } |
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53 |
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54 // --------------------------------------------------------------------------- |
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55 // Two-phased constructor. |
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56 // --------------------------------------------------------------------------- |
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57 // |
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58 EXPORT_C CGlxCommandHandlerSlideshow* CGlxCommandHandlerSlideshow::NewL( |
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59 MGlxMediaListProvider* aMediaListProvider, TBool aStepBack, |
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60 TBool aHasToolbarItem, const TDesC& aFileName) |
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61 { |
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62 TRACER( "CGlxCommandHandlerSlideshow::NewL" ); |
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63 CGlxCommandHandlerSlideshow* self = |
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64 new (ELeave) CGlxCommandHandlerSlideshow(aMediaListProvider, |
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65 aStepBack, aHasToolbarItem); |
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66 CleanupStack::PushL(self); |
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67 self->ConstructL(aFileName); |
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68 CleanupStack::Pop(self); |
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69 return self; |
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70 } |
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71 |
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72 // --------------------------------------------------------------------------- |
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73 // C++ default constructor can NOT contain any code, that |
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74 // might leave. |
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75 // --------------------------------------------------------------------------- |
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76 // |
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77 CGlxCommandHandlerSlideshow::CGlxCommandHandlerSlideshow( MGlxMediaListProvider* |
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78 aMediaListProvider, TBool aStepBack, TBool aHasToolbarItem ) |
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79 : CGlxMediaListCommandHandler(aMediaListProvider, aHasToolbarItem), iStepBack(aStepBack) |
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80 { |
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81 // Do nothing |
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82 } |
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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(const TDesC& aFileName) |
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90 { |
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91 TRACER( "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 iResourceOffset = CCoeEnv::Static()->AddResourceFileL(aFileName); |
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97 |
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98 iShowInToolbar = ETrue; |
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99 |
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100 // Add supported commands with filter fields |
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101 // Play slideshow forwards |
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102 TCommandInfo info(EGlxCmdSlideshowPlay); |
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103 // Disable for static items and dont enable empty slideshow |
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104 info.iMinSelectionLength = 1; |
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105 // Enable only for albums that have more than one item |
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106 info.iMinSlideshowPlayableContainedItemCount = 1; |
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107 // Disable for animated GIFs |
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108 info.iDisallowAnimatedGIFs = ETrue; |
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109 // Disable DRM protected content |
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110 info.iDisallowDRM = ETrue; |
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111 // Note: cannot just require all to be images as user can also start |
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112 // slideshow for a whole album from list view and in that case |
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113 // selection contains a container |
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114 // Disable all videos |
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115 TMPXGeneralCategory categoryFilter = EMPXVideo; |
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116 // Disable the command for videos |
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117 TCommandInfo::TCategoryRule categoryRule = TCommandInfo::EForbidAll; |
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118 info.iCategoryFilter = categoryFilter; |
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119 info.iCategoryRule = categoryRule; |
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120 AddCommandL(info); |
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121 |
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122 // new info to get the default filters |
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123 TCommandInfo info_show_always(EGlxCmdSlideshowSettings); |
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124 // Disable for empty views and views with only static items |
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125 info_show_always.iMinSelectionLength = 1; |
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126 // slideshow settings |
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127 AddCommandL(info_show_always); |
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128 |
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129 // Menu |
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130 info_show_always.iCommandId = EGlxCmdSlideshow; |
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131 AddCommandL(info_show_always); |
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132 |
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133 // Dummy command to get UPnP state |
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134 TCommandInfo infoUpnpState(EGlxCmdShowViaUpnpStateChanged); |
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135 AddCommandL(infoUpnpState); |
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136 |
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137 // Buffer |
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138 iBufFlat = CBufFlat::NewL(KShwDefaultBufferSize); |
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139 } |
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140 |
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141 // --------------------------------------------------------------------------- |
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142 // Destructor |
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143 // --------------------------------------------------------------------------- |
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144 // |
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145 EXPORT_C CGlxCommandHandlerSlideshow::~CGlxCommandHandlerSlideshow() |
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146 { |
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147 TRACER( "CGlxCommandHandlerSlideshow::~CGlxCommandHandlerSlideshow" ); |
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148 if ( iResourceOffset ) |
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149 { |
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150 CCoeEnv::Static()->DeleteResourceFile(iResourceOffset); |
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151 } |
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152 |
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153 if (iUiUtility) |
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154 { |
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155 iUiUtility->Close(); |
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156 } |
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157 |
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158 delete iBufFlat; |
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159 delete iBuffer; |
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160 } |
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161 |
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162 // --------------------------------------------------------------------------- |
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163 // DoActivateL |
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164 // --------------------------------------------------------------------------- |
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165 // |
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166 void CGlxCommandHandlerSlideshow::DoActivateL(TInt aViewId) |
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167 { |
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168 TRACER( "CGlxCommandHandlerSlideshow::DoActivateL" ); |
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169 iViewId = aViewId; |
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170 |
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171 // for media list item "focus changed" notification |
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172 MGlxMediaList& mediaList( MediaList() ); |
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173 mediaList.AddMediaListObserverL( this ); |
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174 } |
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175 |
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176 |
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177 // ---------------------------------------------------------------------------- |
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178 // Deactivate |
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179 // ---------------------------------------------------------------------------- |
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180 void CGlxCommandHandlerSlideshow::Deactivate() |
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181 { |
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182 TRACER( "CGlxCommandHandlerSlideshow::Deactivate" ); |
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183 |
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184 MGlxMediaList& mediaList( MediaList() ); |
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185 mediaList.RemoveMediaListObserver( this ); |
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186 } |
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187 |
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188 // ---------------------------------------------------------------------------- |
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189 // IsSlideshowPlayableOnFocusedContainer |
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190 // ---------------------------------------------------------------------------- |
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191 // |
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192 TBool CGlxCommandHandlerSlideshow::IsSlideshowNotPlayableOnFocusedContainer |
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193 (TInt aCommandId, MGlxMediaList& aList) |
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194 { |
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195 TRACER("CGlxCommandHandlerSlideshow::IsSlideshowNotPlayableOnFocusedContainer"); |
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196 TBool slideshowDisabled = EFalse; |
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197 |
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198 // get the media item |
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199 const TGlxMedia& item = aList.Item( aList.FocusIndex() ); |
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200 const TCommandInfo& info = CommandInfo(aCommandId); |
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201 |
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202 // Check minimum item count if not yet disabled by previous rules |
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203 TInt count(0); |
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204 |
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205 if( (info.iMinSlideshowPlayableContainedItemCount )&& |
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206 ( item.GetSlideshowPlayableContainedItemCount(count) ) ) |
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207 { |
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208 // disable if less than required amount of items in container |
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209 // (ignore non-containers, i.e. -1) |
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210 if( count != -1 ) |
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211 { |
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212 slideshowDisabled = ( count < info.iMinSlideshowPlayableContainedItemCount ); |
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213 } |
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214 } |
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215 return slideshowDisabled; |
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216 } |
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217 |
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218 // ----------------------------------------------------------------------------- |
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219 // DoExecute - the relevant action for the command id |
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220 // ----------------------------------------------------------------------------- |
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221 // |
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222 TBool CGlxCommandHandlerSlideshow::DoExecuteL(TInt aCommandId, |
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223 MGlxMediaList& aList ) |
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224 { |
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225 TRACER( "CGlxCommandHandlerSlideshow::DoExecuteL" ); |
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226 TBool handledCommand = ETrue; |
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227 |
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228 switch (aCommandId) |
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229 { |
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230 case EGlxCmdSlideshowPlay: |
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231 { |
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232 // This check has to be done again here since Slideshow can be |
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233 // activated from toolbar even when there are non-slideshow playable |
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234 // items in a container and when that container is focused. |
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235 if( aList.Count() <= 0 || IsSlideshowNotPlayableOnFocusedContainer( aCommandId, aList ) ) |
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236 { |
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237 HBufC* popupText = NULL; |
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238 |
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239 //Load the "No Images to Play Slideshow" string from the resource file |
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240 popupText = StringLoader::LoadLC( R_GLX_NO_IMAGES_TO_PLAY_SLIDESHOW ); |
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241 |
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242 // Show the Info Note. |
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243 GlxGeneralUiUtilities::ShowInfoNoteL( popupText->Des(), EFalse ); |
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244 |
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245 // LoadLC will push text on to cleanupstack, |
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246 // hence it should be poped and destroyed |
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247 CleanupStack::PopAndDestroy( popupText ); |
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248 } |
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249 else |
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250 { |
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251 // Activate the slideshow view to play forwards |
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252 ActivateViewL( NShwSlideshow::EPlayForwards ); |
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253 |
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254 // set PCFW app state |
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255 GlxSetAppState::SetState(EGlxInSlideshowView); |
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256 } |
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257 break; |
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258 } |
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259 /* case EGlxCmdSlideshowPlayBackwards: |
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260 { |
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261 // Activate the slideshow view to play backwards |
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262 ActivateViewL( NShwSlideshow::EPlayBackwards ); |
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263 |
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264 // set PCFW app state |
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265 GlxSetAppState::SetState(EGlxInSlideshowView); |
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266 |
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267 break; |
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268 } */ |
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269 case EGlxCmdSlideshowSettings: |
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270 { |
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271 // In order for the Settings Dialogs Akn StatusPane to become |
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272 // visible the the Hui display should be deactivated & activated |
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273 // before & after the Settings Dialog (which is uses the Akn |
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274 // framework) is activated & deactivated respectively. |
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275 // Activating and deactivating the HUI within the Settings |
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276 // Dialog class will cause a Cone 8 panic. |
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277 |
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278 iAvkonAppUi->ProcessCommandL(EGlxCmdDialogLaunched); |
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279 |
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280 // hide HUI display |
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281 CGlxUiUtility::HideAlfDisplayL(); |
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282 { |
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283 MMPXViewUtility* viewUtility = MMPXViewUtility::UtilityL(); |
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284 CleanupClosePushL(*viewUtility); |
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285 |
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286 // Activate the slideshow settings dialog |
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287 viewUtility->ActivateViewL( |
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288 TUid::Uid(KShwSettingsDlgImplementationUid)); |
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289 |
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290 CleanupStack::PopAndDestroy(viewUtility); |
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291 } |
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292 // show HUI display |
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293 CGlxUiUtility::ShowAlfDisplayL(); |
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294 iAvkonAppUi->ProcessCommandL(EGlxCmdResetView); |
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295 break; |
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296 } |
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297 case EGlxCmdShowViaUpnpStateChanged: |
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298 { |
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299 handledCommand = EFalse; |
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300 break; |
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301 } |
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302 default: |
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303 { |
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304 handledCommand = EFalse; |
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305 break; |
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306 } |
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307 } |
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308 |
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309 return handledCommand; |
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310 } |
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311 |
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312 // ----------------------------------------------------------------------------- |
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313 // DoIsDisabled |
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314 // ----------------------------------------------------------------------------- |
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315 // |
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316 TBool CGlxCommandHandlerSlideshow::DoIsDisabled( |
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317 TInt /*aCommandId*/, MGlxMediaList& /*aList*/) const |
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318 { |
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319 TRACER("CGlxCommandHandlerSlideshow::DoIsDisabled"); |
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320 // Disable if UPnP is active |
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321 return ( GlxUpnpRenderer::Status() == NGlxUpnpRenderer::EActive ); |
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322 } |
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323 |
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324 // ----------------------------------------------------------------------------- |
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325 // BypassFiltersForExecute |
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326 // ----------------------------------------------------------------------------- |
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327 // |
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328 TBool CGlxCommandHandlerSlideshow::BypassFiltersForExecute() const |
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329 { |
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330 TRACER("CGlxCommandHandlerSlideshow::BypassFiltersForExecute"); |
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331 // Always bypass filters to minimise the time spent by the base class |
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332 // when it initialises the slideshow menu item. |
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333 return ETrue; |
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334 } |
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335 |
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336 // ---------------------------------------------------------------------------- |
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337 // HandleFocusChangedL |
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338 // ---------------------------------------------------------------------------- |
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339 void CGlxCommandHandlerSlideshow::HandleFocusChangedL( |
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340 NGlxListDefs::TFocusChangeType /*aType*/, |
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341 TInt /*aNewIndex*/, TInt /*aOldIndex*/, MGlxMediaList* aList) |
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342 { |
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343 TRACER("CGlxCommandHandlerSlideshow::HandleFocusChangedL"); |
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344 // Check if toolbar is available. |
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345 CAknToolbar* toolbar = iUiUtility->GetGridToolBar(); |
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346 if (aList->Count() <= 0 && toolbar) |
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347 { |
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348 toolbar->SetItemDimmed(EGlxCmdSlideshowPlay, ETrue, ETrue); |
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349 } |
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350 } |
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351 |
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352 // --------------------------------------------------------------------------- |
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353 // HandleItemAddedL |
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354 // --------------------------------------------------------------------------- |
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355 // |
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356 void CGlxCommandHandlerSlideshow::HandleItemAddedL(TInt /*aStartIndex*/, |
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357 TInt /*aEndIndex*/, MGlxMediaList* aList) |
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358 { |
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359 TRACER("CGlxCommandHandlerSlideshow::HandleItemAddedL"); |
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360 // Check if toolbar is available. |
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361 CAknToolbar* toolbar = iUiUtility->GetGridToolBar(); |
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362 if (aList->Count() > 0 && toolbar) |
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363 { |
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364 toolbar->SetItemDimmed(EGlxCmdSlideshowPlay, EFalse, ETrue); |
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365 } |
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366 } |
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367 |
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368 // --------------------------------------------------------------------------- |
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369 // HandleMediaL |
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370 // --------------------------------------------------------------------------- |
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371 // |
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372 void CGlxCommandHandlerSlideshow::HandleMediaL(TInt /*aListIndex*/, |
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373 MGlxMediaList* /*aList*/) |
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374 { |
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375 } |
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376 |
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377 // --------------------------------------------------------------------------- |
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378 // HandleItemRemovedL |
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379 // --------------------------------------------------------------------------- |
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380 // |
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381 void CGlxCommandHandlerSlideshow::HandleItemRemovedL(TInt /*aStartIndex*/, |
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382 TInt /*aEndIndex*/, MGlxMediaList* aList) |
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383 { |
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384 TRACER("CGlxCommandHandlerSlideshow::HandleItemRemovedL"); |
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385 // Check if toolbar is available. |
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386 CAknToolbar* toolbar = iUiUtility->GetGridToolBar(); |
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387 if (aList->Count() <= 0 && toolbar) |
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388 { |
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389 toolbar->SetItemDimmed(EGlxCmdSlideshowPlay, ETrue, ETrue); |
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390 } |
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391 } |
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392 |
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393 // --------------------------------------------------------------------------- |
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394 // HandleItemModifiedL |
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395 // --------------------------------------------------------------------------- |
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396 // |
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397 void CGlxCommandHandlerSlideshow::HandleItemModifiedL( |
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398 const RArray<TInt>& /*aItemIndexes*/, MGlxMediaList* /*aList*/) |
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399 { |
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400 } |
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401 |
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402 // --------------------------------------------------------------------------- |
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403 // HandleAttributesAvailableL |
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404 // --------------------------------------------------------------------------- |
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405 // |
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406 void CGlxCommandHandlerSlideshow::HandleAttributesAvailableL( |
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407 TInt aItemIndex, const RArray<TMPXAttribute>& aAttributes, |
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408 MGlxMediaList* /*aList*/ ) |
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409 { |
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410 TRACER("CGlxCommandHandlerSlideshow::HandleAttributesAvailableL"); |
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411 if ( iShowInToolbar && MediaList().FocusIndex() == aItemIndex ) |
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412 { |
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413 TIdentityRelation<TMPXAttribute> match( TMPXAttribute::MatchContentId ); |
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414 |
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415 if ( aAttributes.Find( KMPXMediaGeneralCategory, match ) >= 0 |
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416 || aAttributes.Find( KMPXMediaDrmProtected, match ) >= 0 |
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417 || aAttributes.Find( KGlxMediaGeneralFramecount, match ) >= 0 ) |
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418 { |
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419 UpdateToolbar(); |
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420 } |
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421 } |
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422 } |
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423 |
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424 // --------------------------------------------------------------------------- |
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425 // HandleItemSelectedL |
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426 // --------------------------------------------------------------------------- |
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427 // |
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428 void CGlxCommandHandlerSlideshow::HandleItemSelectedL(TInt /*aIndex*/, |
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429 TBool /*aSelected*/, MGlxMediaList* /*aList*/) |
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430 { |
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431 } |
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432 |
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433 // --------------------------------------------------------------------------- |
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434 // HandleMessageL |
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435 // --------------------------------------------------------------------------- |
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436 // |
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437 void CGlxCommandHandlerSlideshow::HandleMessageL( |
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438 const CMPXMessage& /*aMessage*/, MGlxMediaList* /*aList*/) |
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439 { |
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440 } |
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441 |
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442 // ----------------------------------------------------------------------------- |
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443 // ActivateViewL - launch the view |
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444 // ----------------------------------------------------------------------------- |
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445 // |
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446 void CGlxCommandHandlerSlideshow::ActivateViewL( NShwSlideshow::TPlayDirection |
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447 aPlaybackDirection ) |
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448 { |
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449 TRACER( "CGlxCommandHandlerSlideshow::ActivateViewL" ); |
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450 |
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451 // Determine the path from the media list |
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452 CMPXCollectionPath* path = MediaList().PathLC(); |
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453 // Ensure the path's at the correct level for the view |
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454 if ( iStepBack && path->Levels() > 0 ) |
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455 { |
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456 path->Back(); |
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457 } |
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458 // Stream the data buffer |
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459 RBufWriteStream stream; |
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460 stream.Open( *iBufFlat ); |
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461 CleanupClosePushL( stream ); |
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462 // Write out the playback direction |
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463 stream.WriteInt32L( aPlaybackDirection ); |
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464 stream.CommitL(); |
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465 // Externalize the path to the stream |
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466 path->ExternalizeL( stream ); |
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467 |
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468 // ActivateViewL takes a TDesC*, rather than a TDesC8 |
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469 // so copy the data accordingly |
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470 if ( iBuffer ) |
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471 { |
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472 delete iBuffer; |
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473 iBuffer = NULL; |
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474 } |
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475 |
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476 TInt length = iBufFlat->Size(); |
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477 iBuffer = HBufC::NewL( length ); |
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478 TPtr bufferPtr = iBuffer->Des(); |
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479 TPtr8 ptr = iBufFlat->Ptr( 0 ); |
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480 bufferPtr.Copy( ptr ); |
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481 |
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482 // Get the view utility |
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483 MMPXViewUtility* viewUtility = MMPXViewUtility::UtilityL(); |
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484 CleanupClosePushL( *viewUtility ); |
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485 |
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486 viewUtility->ActivateViewL( TUid::Uid(KShwSlideshowViewImplementationId), |
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487 iBuffer ); |
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488 |
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489 // set the view navigation direction so that previous view keeps its |
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490 // media list and focus |
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491 iUiUtility->SetViewNavigationDirection( EGlxNavigationForwards ); |
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492 |
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493 CleanupStack::PopAndDestroy( 3, path ); // viewUtility, stream and path |
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494 } |
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495 |
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496 // --------------------------------------------------------------------------- |
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497 // UpdateToolbarL |
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498 // --------------------------------------------------------------------------- |
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499 // |
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500 void CGlxCommandHandlerSlideshow::UpdateToolbar() |
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501 { |
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502 TRACER("CGlxCommandHandlerSlideshow::UpdateToolbar"); |
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503 TBool visible = EFalse; |
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504 |
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505 if ( GlxUpnpRenderer::Status() != NGlxUpnpRenderer::EActive ) |
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506 { |
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507 TInt focus = MediaList().FocusIndex(); |
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508 |
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509 if ( focus >= 0 ) |
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510 { |
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511 const TGlxMedia& media = MediaList().Item( focus ); |
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512 |
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513 TInt frameCount = 0; |
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514 // get count, ignore return value |
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515 (void)media.GetFrameCount( frameCount ); |
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516 |
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517 // medialistcommandhandler has added these attributes to a low |
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518 // priority fetch context when command was loaded so the values |
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519 // should be loaded |
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520 visible = ( EMPXImage == media.Category() |
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521 && !media.IsDrmProtected() |
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522 && 1 == frameCount ); |
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523 } |
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524 } |
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525 |
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526 iUiUtility->ScreenFurniture()->SetToolbarItemVisibility( |
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527 EGlxCmdSlideshowPlay, visible ); |
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528 } |
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529 |
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530 // ---------------------------------------------------------------------------- |
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531 // HandlePopulatedL |
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532 // ---------------------------------------------------------------------------- |
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533 // |
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534 void CGlxCommandHandlerSlideshow::HandlePopulatedL( MGlxMediaList* aList ) |
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535 { |
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536 TRACER("CGlxCommandHandlerSlideshow::HandlePopulatedL()"); |
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537 // Check if toolbar is available. |
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538 CAknToolbar* toolbar = iUiUtility->GetGridToolBar(); |
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539 if (aList->Count() == 0 && toolbar) |
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540 { |
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541 toolbar->SetItemDimmed(EGlxCmdSlideshowPlay, ETrue, ETrue); |
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542 } |
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543 } |
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544 |
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545 // --------------------------------------------------------------------------- |
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546 // PopulateToolbar |
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547 // --------------------------------------------------------------------------- |
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548 // |
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549 void CGlxCommandHandlerSlideshow::PopulateToolbarL() |
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550 { |
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551 TRACER("CGlxCommandHandlerSlideshow::PopulateToolbarL"); |
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552 iUiUtility->ScreenFurniture()->SetTooltipL(EGlxCmdSlideshowPlay, |
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553 CAknButton::EPositionLeft); |
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554 } |
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555 |
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556 // End of File |