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    41 

    42 #include "s60themeconvert.h"

    43 

    44 #include <QtGui>

    45 #include <QtWebKit>

    46 

    47 static const int pictureSize = 256;

    48 

    49 void dumpPartPictures(const QHash<QString, QPicture> &partPictures) {

    50     foreach (const QString &partKey, partPictures.keys()) {

    51         QPicture partPicture = partPictures.value(partKey);

    52         qDebug() << partKey << partPicture.boundingRect();

    53         QImage image(partPicture.boundingRect().size(), QImage::Format_ARGB32);

    54         image.fill(Qt::transparent);

    55         QPainter p(&image);

    56         partPicture.play(&p);

    57         image.save(partKey + QString::fromLatin1(".png"));

    58     }

    59 }

    60 

    61 void dumpColors(const QHash<QPair<QString, int>, QColor> &colors) {

    62     foreach (const QColor &color, colors.values()) {

    63         const QPair<QString, int> key = colors.key(color);

    64         qDebug() << key << color;

    65     }

    66 }

    67 

    68 class WebKitSVGRenderer : public QWebView

    69 {

    70     Q_OBJECT

    71 

    72 public:

    73     WebKitSVGRenderer(QWidget *parent = 0);

    74     QPicture svgToQPicture(const QString &svgFileName);

    75 

    76 private slots:

    77     void loadFinishedSlot(bool ok);

    78 

    79 private:

    80     QEventLoop m_loop;

    81     QPicture m_result;

    82 };

    83 

    84 WebKitSVGRenderer::WebKitSVGRenderer(QWidget *parent)

    85     : QWebView(parent)

    86 {

    87     connect(this, SIGNAL(loadFinished(bool)), SLOT(loadFinishedSlot(bool)));

    88     setFixedSize(pictureSize, pictureSize);

    89     QPalette pal = palette();

    90     pal.setColor(QPalette::Base, Qt::transparent);

    91     setPalette(pal);

    92 }

    93 

    94 QPicture WebKitSVGRenderer::svgToQPicture(const QString &svgFileName)

    95 {

    96     load(QUrl::fromLocalFile(svgFileName));

    97     m_loop.exec();

    98     return m_result;

    99 }

   100 

   101 void WebKitSVGRenderer::loadFinishedSlot(bool ok)

   102 {

   103     // crude error-checking

   104     if (!ok)

   105         qDebug() << "Failed loading " << qPrintable(url().toString());

   106 

   107     page()->mainFrame()->evaluateJavaScript(QString::fromLatin1(

   108         "document.rootElement.preserveAspectRatio.baseVal.align = SVGPreserveAspectRatio.SVG_PRESERVEASPECTRATIO_NONE;"

   109         "document.rootElement.style.width = '100%';"

   110         "document.rootElement.style.height = '100%';"

   111         "document.rootElement.width.baseVal.newValueSpecifiedUnits(SVGLength.SVG_LENGTHTYPE_PERCENTAGE, 100);"

   112         "document.rootElement.height.baseVal.newValueSpecifiedUnits(SVGLength.SVG_LENGTHTYPE_PERCENTAGE, 100);"

   113     ));

   114 

   115     m_result = QPicture(); // "Clear"

   116     QPainter p(&m_result);

   117     page()->mainFrame()->render(&p);

   118     p.end();

   119     m_result.setBoundingRect(QRect(0, 0, pictureSize, pictureSize));

   120 

   121     m_loop.exit();

   122 }

   123 

   124 QPair<QString, int> colorIdPair(const QString &colorID)

   125 {

   126     QPair<QString, int> result;

   127     QString idText = colorID;

   128     idText.remove(QRegExp(QString::fromLatin1("[0-9]")));

   129     if (QS60Style::colorListKeys().contains(idText)) {

   130         QString idNumber = colorID;

   131         idNumber.remove(QRegExp(QString::fromLatin1("[a-zA-Z]")));

   132         result.first = idText;

   133         result.second = idNumber.toInt();

   134     }

   135     return result;

   136 }

   137 

   138 bool parseTdfFile(const QString &tdfFile,

   139         QHash<QString, QString> &partSvgs,

   140         QHash<QPair<QString, int>, QColor> &colors)

   141 {

   142     QFile file(tdfFile);

   143     if (!file.open(QIODevice::ReadOnly))

   144         return false;

   145 

   146     const QLatin1String elementKey("element");

   147     const QLatin1String partKey("part");

   148     const QLatin1String elementIdKey("id");

   149     const QLatin1String layerKey("layer");

   150     const QLatin1String layerFileNameKey("filename");

   151     const QLatin1String layerColourrgbKey("colourrgb");

   152     const QString annoyingPrefix = QString::fromLatin1("S60_2_6%");

   153 

   154     QXmlStreamReader reader(&file);

   155     QString partId;

   156     QPair<QString, int> colorId;

   157     // Somebody with a sense of aesthetics may implement proper XML parsing, here.

   158     while (!reader.atEnd()) {

   159         const QXmlStreamReader::TokenType token = reader.readNext();

   160         switch (token) {

   161             case QXmlStreamReader::StartElement:

   162                 if (reader.name() == elementKey || reader.name() == partKey) {

   163                     QString id = reader.attributes().value(elementIdKey).toString();

   164                     if (QS60Style::partKeys().contains(id))

   165                         partId = id;

   166                     else if (!id.isEmpty() && id.at(id.length()-1).isDigit())

   167                         colorId = colorIdPair(id);

   168                     else if (QS60Style::partKeys().contains(id.mid(annoyingPrefix.length())))

   169                         partId = id.mid(annoyingPrefix.length());

   170                 } else if(reader.name() == layerKey) {

   171                     if (!partId.isEmpty()) {

   172                         const QString svgFile = reader.attributes().value(layerFileNameKey).toString();

   173                         partSvgs.insert(partId, svgFile);

   174                         partId.clear();

   175                     } else if (!colorId.first.isEmpty()) {

   176                         const QColor colorValue(reader.attributes().value(layerColourrgbKey).toString().toInt(NULL, 16));

   177                         colors.insert(colorId, colorValue);

   178                         colorId.first.clear();

   179                     }

   180                 }

   181                 break;

   182             case QXmlStreamReader::EndElement:

   183                 if (reader.tokenString() == elementKey || reader.name() == partKey)

   184                     partId.clear();

   185                 break;

   186             default:

   187                 break;

   188         }

   189     }

   190     return true;

   191 }

   192 

   193 bool loadThemeFromTdf(const QString &tdfFile,

   194         QHash<QString, QPicture> &partPictures,

   195         QHash<QPair<QString, int>, QColor> &colors)

   196 {

   197     QHash<QString, QString> parsedPartSvgs;

   198     QHash<QString, QPicture> parsedPartPictures;

   199     QHash<QPair<QString, int>, QColor> parsedColors;

   200     bool success = parseTdfFile(tdfFile, parsedPartSvgs, parsedColors);

   201     if (!success)

   202         return false;

   203     const QString tdfBasePath = QFileInfo(tdfFile).absolutePath();

   204     WebKitSVGRenderer renderer;

   205     foreach(const QString& partKey, parsedPartSvgs.keys()) {

   206         const QString tdfFullName =

   207             tdfBasePath + QDir::separator() + parsedPartSvgs.value(partKey);

   208         if (!QFile(tdfFullName).exists())

   209             qWarning() << "Could not find part:" << parsedPartSvgs.value(partKey);

   210         const QPicture partPicture = renderer.svgToQPicture(tdfFullName);

   211         parsedPartPictures.insert(partKey, partPicture);

   212     }

   213 //    dumpPartPictures(parsedPartPictures);

   214 //    dumpColors(colors);

   215     partPictures = parsedPartPictures;

   216     colors = parsedColors;

   217     return true;

   218 }

   219 

   220 bool S60ThemeConvert::convertTdfToBlob(const QString &themeTdf, const QString &themeBlob)

   221 {

   222     QHash<QString, QPicture> partPictures;

   223     QHash<QPair<QString, int>, QColor> colors;

   224 

   225     if (!::loadThemeFromTdf(themeTdf, partPictures, colors))

   226         return false;

   227 

   228     QS60Style style;

   229     style.setS60Theme(partPictures, colors);

   230     return style.saveS60ThemeToBlob(themeBlob);

   231 }

   232 

   233 bool parseDesignFile(const QString &designFile,

   234         QHash<QPair<QString, int>, QColor> &colors)

   235 {

   236     const QLatin1String elementKey("element");

   237     const QLatin1String elementIdKey("id");

   238     const QLatin1String colorKey("defaultcolour_rgb");

   239     QFile file(designFile);

   240     if (!file.open(QIODevice::ReadOnly))

   241         return false;

   242     QXmlStreamReader reader(&file);

   243     QPair<QString, int> colorId;

   244     // Somebody with a sense of aesthetics may implement proper XML parsing, here.

   245     while (!reader.atEnd()) {

   246         const QXmlStreamReader::TokenType token = reader.readNext();

   247         switch (token) {

   248             case QXmlStreamReader::StartElement:

   249                 if (reader.name() == elementKey) {

   250                     const QString colorString = reader.attributes().value(colorKey).toString();

   251                     if (!colorString.isEmpty()) {

   252                         const QString colorId = reader.attributes().value(elementIdKey).toString();

   253                         colors.insert(colorIdPair(colorId), colorString.toInt(NULL, 16));

   254                     }

   255                 }

   256             default:

   257                 break;

   258         }

   259     }

   260     return true;

   261 }

   262 

   263 bool loadDefaultTheme(const QString &themePath,

   264         QHash<QString, QPicture> &partPictures,

   265         QHash<QPair<QString, int>, QColor> &colors)

   266 {

   267     const QDir dir(themePath);

   268     if (!dir.exists())

   269         return false;

   270 

   271     if (!parseDesignFile(themePath + QDir::separator() + QString::fromLatin1("defaultdesign.xml"), colors))

   272         return false;

   273 

   274     WebKitSVGRenderer renderer;

   275     foreach (const QString &partKey, QS60Style::partKeys()) {

   276         const QString partFileName = partKey + QLatin1String(".svg");		

   277         const QString partFile(dir.absolutePath() + QDir::separator() + partFileName);

   278         if (!QFile::exists(partFile)) {

   279             qWarning() << "Could not find part:" << partFileName;

   280             continue;

   281         }

   282         const QPicture partPicture = renderer.svgToQPicture(partFile);

   283         partPictures.insert(partKey, partPicture);

   284     }

   285     return true;

   286 }

   287 

   288 bool S60ThemeConvert::convertDefaultThemeToBlob(const QString &themePath, const QString &themeBlob)

   289 {

   290     QHash<QString, QPicture> partPictures;

   291     QHash<QPair<QString, int>, QColor> colors;

   292 

   293     if (!::loadDefaultTheme(themePath, partPictures, colors))

   294         return false;

   295 

   296     QS60Style style;

   297     style.setS60Theme(partPictures, colors);

   298     return style.saveS60ThemeToBlob(themeBlob);

   299 }

   300 

   301 #include "s60themeconvert.moc"