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1 /* |
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2 * Copyright (c) 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: |
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15 * |
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16 */ |
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17 |
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18 #include <QString> |
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19 #include <thumbnailmanager_qt.h> |
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20 |
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21 #include "cxutils.h" |
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22 #include "cxethumbnailmanagersymbian.h" |
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23 |
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24 //#define CXE_USE_THUMBNAIL_MANAGER |
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25 |
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26 |
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27 /*! |
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28 * CxeThumbnailManagerSymbian::CxeThumbnailManagerSymbian |
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29 */ |
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30 CxeThumbnailManagerSymbian::CxeThumbnailManagerSymbian() |
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31 { |
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32 CX_DEBUG_ENTER_FUNCTION(); |
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33 |
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34 #ifdef CXE_USE_THUMBNAIL_MANAGER |
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35 |
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36 mThumbnailManager = new ThumbnailManager(); |
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37 |
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38 // connect thumbnail ready signal from thumbnailmanager |
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39 connect(mThumbnailManager, SIGNAL(thumbnailReady(QPixmap, void *, int, int)), |
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40 this, SLOT(thumbnailReady(QPixmap, void *, int, int))); |
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41 #endif |
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42 |
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43 CX_DEBUG_EXIT_FUNCTION(); |
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44 } |
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45 |
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46 |
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47 /*! |
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48 * CxeThumbnailManagerSymbian::~CxeThumbnailManagerSymbian |
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49 */ |
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50 CxeThumbnailManagerSymbian::~CxeThumbnailManagerSymbian() |
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51 { |
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52 CX_DEBUG_ENTER_FUNCTION(); |
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53 |
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54 #ifdef CXE_USE_THUMBNAIL_MANAGER |
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55 mThumbnailRequests.clear(); |
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56 delete mThumbnailManager; |
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57 #endif |
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58 |
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59 CX_DEBUG_EXIT_FUNCTION(); |
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60 } |
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61 |
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62 |
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63 |
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64 /*! |
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65 * Creates a thumbnail based on the snapshot data. |
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66 @param filename - name of the image/video filename |
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67 @param snapshot - snapshot data from image/video |
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68 */ |
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69 void CxeThumbnailManagerSymbian::createThumbnail(const QString& filename, |
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70 QPixmap /*snapshot*/) |
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71 { |
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72 CX_DEBUG_ENTER_FUNCTION(); |
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73 |
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74 #ifdef CXE_USE_THUMBNAIL_MANAGER |
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75 TPtrC16 fName(reinterpret_cast<const TUint16*>(filename.utf16())); |
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76 CX_DEBUG(("Create thumbnail! filename = %s", filename.toAscii().constData())); |
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77 |
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78 if (mThumbnailManager) { |
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79 CX_DEBUG(("creating thumbnails")); |
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80 //!@todo Thumbnail manager interface needs to be changed to use QImage |
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81 // instead of QPixmap for setThumbnail. Until then, using qetThumbnail. |
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82 int thumbnailId = mThumbnailManager->getThumbnail(filename, 0); |
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83 if (thumbnailId != -1) { |
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84 CX_DEBUG(("Thumbnail ID = %d", thumbnailId)); |
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85 mThumbnailRequests.insert(filename, thumbnailId); |
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86 } else { |
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87 CX_DEBUG(("error initializing data to thumbnail manager")); |
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88 } |
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89 } |
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90 #else |
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91 Q_UNUSED(filename); |
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92 #endif |
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93 |
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94 CX_DEBUG_EXIT_FUNCTION(); |
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95 } |
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96 |
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97 |
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98 |
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99 /*! |
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100 * start canceling creating thumbnail operation |
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101 */ |
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102 void CxeThumbnailManagerSymbian::cancelThumbnail(const QString& filename) |
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103 { |
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104 CX_DEBUG_ENTER_FUNCTION(); |
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105 |
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106 #ifdef CXE_USE_THUMBNAIL_MANAGER |
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107 if (mThumbnailRequests.contains(filename)) { |
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108 int thumbnailId = mThumbnailRequests.value(filename); |
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109 if (mThumbnailManager && |
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110 mThumbnailManager->cancelRequest(thumbnailId)) { |
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111 // thumbnail creation cancelled sucessfully |
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112 mThumbnailRequests.remove(filename); |
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113 } |
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114 } |
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115 #else |
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116 Q_UNUSED(filename); |
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117 #endif |
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118 CX_DEBUG_EXIT_FUNCTION(); |
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119 } |
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120 |
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121 |
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122 /**! |
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123 * Slot that notifies when final thumbnail bitmap generation or loading is complete. |
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124 * @param pixmap An object representing the resulting thumbnail. |
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125 * @param clientData Client data |
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126 * @param id Request ID for the operation |
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127 * @param errorCode error code |
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128 */ |
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129 void CxeThumbnailManagerSymbian::thumbnailReady(QPixmap thumbnail, void * data, int id, int error) |
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130 { |
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131 |
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132 CX_DEBUG_ENTER_FUNCTION(); |
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133 |
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134 Q_UNUSED(data); |
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135 #ifdef CXE_USE_THUMBNAIL_MANAGER |
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136 CX_DEBUG(("CxeThumbnailManagerSymbian::thumbnailReady error = %d", error)); |
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137 |
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138 QString key; |
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139 QHash<QString, int>::const_iterator i = mThumbnailRequests.constBegin(); |
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140 |
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141 while (i != mThumbnailRequests.constEnd()) { |
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142 if (i.value() == id) { |
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143 key = i.key(); |
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144 break; |
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145 } |
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146 ++i; |
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147 } |
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148 |
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149 if (mThumbnailRequests.contains(key)) { |
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150 CX_DEBUG(("Thumbnail created for filename = %s", key.toAscii().constData())); |
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151 mThumbnailRequests.remove(key); |
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152 emit thumbnailReady(thumbnail, error); |
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153 } |
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154 #else |
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155 Q_UNUSED(thumbnail); |
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156 Q_UNUSED(id); |
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157 Q_UNUSED(error); |
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158 #endif |
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159 |
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160 CX_DEBUG_EXIT_FUNCTION(); |
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161 } |