1 /**************************************************************************** |
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2 ** |
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3 ** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies). |
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4 ** All rights reserved. |
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5 ** Contact: Nokia Corporation (qt-info@nokia.com) |
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6 ** |
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7 ** This file is part of the Qt Mobility Components. |
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8 ** |
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9 ** $QT_BEGIN_LICENSE:LGPL$ |
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10 ** No Commercial Usage |
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11 ** This file contains pre-release code and may not be distributed. |
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12 ** You may use this file in accordance with the terms and conditions |
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13 ** contained in the Technology Preview License Agreement accompanying |
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14 ** this package. |
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15 ** |
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16 ** GNU Lesser General Public License Usage |
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17 ** Alternatively, this file may be used under the terms of the GNU Lesser |
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18 ** General Public License version 2.1 as published by the Free Software |
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19 ** Foundation and appearing in the file LICENSE.LGPL included in the |
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20 ** packaging of this file. Please review the following information to |
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21 ** ensure the GNU Lesser General Public License version 2.1 requirements |
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22 ** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html. |
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23 ** |
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24 ** In addition, as a special exception, Nokia gives you certain additional |
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25 ** rights. These rights are described in the Nokia Qt LGPL Exception |
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26 ** version 1.1, included in the file LGPL_EXCEPTION.txt in this package. |
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27 ** |
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28 ** If you have questions regarding the use of this file, please contact |
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29 ** Nokia at qt-info@nokia.com. |
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30 ** |
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31 ** |
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32 ** |
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33 ** |
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34 ** |
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35 ** |
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36 ** |
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37 ** |
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38 ** $QT_END_LICENSE$ |
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39 ** |
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40 ****************************************************************************/ |
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41 |
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42 #include "qmetadatacontrolmetaobject_p.h" |
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43 |
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44 #include "qmetadatacontrol.h" |
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45 |
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46 QTM_BEGIN_NAMESPACE |
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47 |
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48 namespace |
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49 { |
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50 struct MetaDataKey |
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51 { |
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52 QtMedia::MetaData key; |
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53 const char *name; |
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54 }; |
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55 |
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56 const MetaDataKey qt_metaDataKeys[] = |
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57 { |
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58 { QtMedia::Title, "title" }, |
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59 { QtMedia::SubTitle, "subTitle" }, |
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60 { QtMedia::Author, "author" }, |
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61 { QtMedia::Comment, "comment" }, |
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62 { QtMedia::Description, "description" }, |
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63 { QtMedia::Category, "category" }, |
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64 { QtMedia::Genre, "genre" }, |
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65 { QtMedia::Year, "year" }, |
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66 { QtMedia::Date, "date" }, |
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67 { QtMedia::UserRating, "userRating" }, |
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68 { QtMedia::Keywords, "keywords" }, |
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69 { QtMedia::Language, "language" }, |
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70 { QtMedia::Publisher, "publisher" }, |
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71 { QtMedia::Copyright, "copyright" }, |
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72 { QtMedia::ParentalRating, "parentalRating" }, |
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73 { QtMedia::RatingOrganisation, "ratingOrganisation" }, |
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74 |
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75 // Media |
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76 { QtMedia::Size, "size" }, |
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77 { QtMedia::MediaType, "mediaType" }, |
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78 { QtMedia::Duration, "duration" }, |
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79 |
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80 // Audio |
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81 { QtMedia::AudioBitRate, "audioBitRate" }, |
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82 { QtMedia::AudioCodec, "audioCodec" }, |
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83 { QtMedia::AverageLevel, "averageLevel" }, |
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84 { QtMedia::ChannelCount, "channelCount" }, |
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85 { QtMedia::PeakValue, "peakValue" }, |
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86 { QtMedia::SampleRate, "frequency" }, |
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87 |
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88 // Music |
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89 { QtMedia::AlbumTitle, "albumTitle" }, |
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90 { QtMedia::AlbumArtist, "albumArtist" }, |
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91 { QtMedia::ContributingArtist, "contributingArtist" }, |
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92 { QtMedia::Composer, "composer" }, |
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93 { QtMedia::Conductor, "conductor" }, |
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94 { QtMedia::Lyrics, "lyrics" }, |
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95 { QtMedia::Mood, "mood" }, |
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96 { QtMedia::TrackNumber, "trackNumber" }, |
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97 { QtMedia::TrackCount, "trackCount" }, |
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98 |
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99 { QtMedia::CoverArtUrlSmall, "coverArtUrlSmall" }, |
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100 { QtMedia::CoverArtUrlLarge, "coverArtUrlLarge" }, |
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101 |
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102 // Image/Video |
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103 { QtMedia::Resolution, "resolution" }, |
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104 { QtMedia::PixelAspectRatio, "pixelAspectRatio" }, |
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105 |
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106 // Video |
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107 { QtMedia::VideoFrameRate, "videoFrameRate" }, |
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108 { QtMedia::VideoBitRate, "videoBitRate" }, |
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109 { QtMedia::VideoCodec, "videoCodec" }, |
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110 |
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111 { QtMedia::PosterUrl, "posterUrl" }, |
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112 |
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113 // Movie |
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114 { QtMedia::ChapterNumber, "chapterNumber" }, |
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115 { QtMedia::Director, "director" }, |
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116 { QtMedia::LeadPerformer, "leadPerformer" }, |
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117 { QtMedia::Writer, "writer" }, |
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118 |
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119 // Photos |
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120 { QtMedia::CameraManufacturer, "cameraManufacturer" }, |
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121 { QtMedia::CameraModel, "cameraModel" }, |
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122 { QtMedia::Event, "event" }, |
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123 { QtMedia::Subject, "subject" }, |
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124 { QtMedia::Orientation, "orientation" }, |
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125 { QtMedia::ExposureTime, "exposureTime" }, |
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126 { QtMedia::FNumber, "fNumber" }, |
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127 { QtMedia::ExposureProgram, "exposureProgram" }, |
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128 { QtMedia::ISOSpeedRatings, "isoSpeedRatings" }, |
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129 { QtMedia::ExposureBiasValue, "exposureBiasValue" }, |
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130 { QtMedia::DateTimeOriginal, "dateTimeOriginal" }, |
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131 { QtMedia::DateTimeDigitized, "dateTimeDigitized" }, |
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132 { QtMedia::SubjectDistance, "subjectDistance" }, |
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133 { QtMedia::MeteringMode, "meteringMode" }, |
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134 { QtMedia::LightSource, "lightSource" }, |
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135 { QtMedia::Flash, "flash" }, |
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136 { QtMedia::FocalLength, "focalLength" }, |
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137 { QtMedia::ExposureMode, "exposureMode" }, |
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138 { QtMedia::WhiteBalance, "whiteBalance" }, |
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139 { QtMedia::DigitalZoomRatio, "digitalZoomRatio" }, |
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140 { QtMedia::FocalLengthIn35mmFilm, "focalLengthIn35mmFilm" }, |
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141 { QtMedia::SceneCaptureType, "sceneCaptureType" }, |
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142 { QtMedia::GainControl, "gainControl" }, |
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143 { QtMedia::Contrast, "contrast" }, |
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144 { QtMedia::Saturation, "saturation" }, |
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145 { QtMedia::Sharpness, "sharpness" }, |
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146 { QtMedia::DeviceSettingDescription, "deviceSettingDescription" } |
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147 }; |
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148 } |
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149 |
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150 QMetaDataControlMetaObject::QMetaDataControlMetaObject(QMetaDataControl *control, QObject *object) |
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151 : m_control(control) |
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152 , m_object(object) |
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153 , m_mem(0) |
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154 , m_propertyOffset(0) |
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155 , m_signalOffset(0) |
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156 { |
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157 m_builder.setSuperClass(m_object->metaObject()); |
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158 m_builder.setClassName(m_object->metaObject()->className()); |
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159 m_builder.setFlags(QMetaObjectBuilder::DynamicMetaObject); |
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160 |
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161 QObjectPrivate *op = QObjectPrivate::get(m_object); |
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162 if (op->metaObject) |
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163 m_builder.setSuperClass(op->metaObject); |
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164 |
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165 m_mem = m_builder.toMetaObject(); |
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166 *static_cast<QMetaObject *>(this) = *m_mem; |
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167 |
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168 op->metaObject = this; |
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169 m_propertyOffset = propertyOffset(); |
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170 m_signalOffset = methodOffset(); |
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171 } |
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172 |
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173 QMetaDataControlMetaObject::~QMetaDataControlMetaObject() |
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174 { |
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175 qFree(m_mem); |
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176 |
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177 QObjectPrivate *op = QObjectPrivate::get(m_object); |
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178 op->metaObject = 0; |
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179 } |
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180 |
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181 int QMetaDataControlMetaObject::metaCall(QMetaObject::Call c, int id, void **a) |
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182 { |
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183 if (c == QMetaObject::ReadProperty && id >= m_propertyOffset) { |
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184 int propId = id - m_propertyOffset; |
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185 |
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186 *reinterpret_cast<QVariant *>(a[0]) = m_control->metaData(m_keys.at(propId)); |
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187 |
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188 return -1; |
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189 } else if (c == QMetaObject::WriteProperty && id >= m_propertyOffset) { |
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190 int propId = id - m_propertyOffset; |
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191 |
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192 m_control->setMetaData(m_keys.at(propId), *reinterpret_cast<QVariant *>(a[0])); |
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193 |
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194 activate(m_object, m_signalOffset + propId, 0); |
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195 |
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196 return -1; |
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197 } else { |
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198 return m_object->qt_metacall(c, id, a); |
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199 } |
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200 } |
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201 |
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202 int QMetaDataControlMetaObject::createProperty(const char *name, const char *) |
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203 { |
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204 const int count = sizeof(qt_metaDataKeys) / sizeof(MetaDataKey); |
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205 |
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206 for (int i = 0; i < count; ++i) { |
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207 if (qstrcmp(name, qt_metaDataKeys[i].name) == 0) { |
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208 int id = m_keys.count(); |
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209 m_keys.append(qt_metaDataKeys[i].key); |
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210 |
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211 m_builder.addSignal("__" + QByteArray::number(id) + "()"); |
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212 |
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213 QMetaPropertyBuilder build = m_builder.addProperty(name, "QVariant", id); |
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214 build.setDynamic(true); |
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215 |
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216 qFree(m_mem); |
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217 m_mem = m_builder.toMetaObject(); |
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218 *static_cast<QMetaObject *>(this) = *m_mem; |
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219 |
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220 return m_propertyOffset + id; |
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221 } |
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222 } |
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223 |
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224 return -1; |
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225 } |
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226 |
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227 void QMetaDataControlMetaObject::metaDataChanged() |
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228 { |
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229 for (int i = 0; i < m_keys.count(); ++i) |
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230 activate(m_object, m_signalOffset + i, 0); |
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231 } |
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232 |
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233 QTM_END_NAMESPACE |
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