bool CSmileyPack::load(const QString& filename)
{
// discard old data
filenameTable.clear();
imgCache.clear();
emoticons.clear();
path.clear();
// open emoticons.xml
QFile xmlFile(filename);
if(!xmlFile.open(QIODevice::ReadOnly))
{
LOG_MODEL_ERROR("CSmileyPack", "Don't open file:%s", qPrintable(filename));
return false; // cannot open file
}
/* parse the cfg file
* sample:
* <?xml version='1.0'?>
* <messaging-emoticon-map>
* <emoticon file="smile.png" >
* <string>:)</string>
* <string>:-)</string>
* </emoticon>
* <emoticon file="sad.png" >
* <string>:(</string>
* <string>:-(</string>
* </emoticon>
* </messaging-emoticon-map>
*/
path = QFileInfo(filename).absolutePath();
QDomDocument doc;
doc.setContent(xmlFile.readAll());
QDomNodeList emoticonElements = doc.elementsByTagName("emoticon");
for (int i = 0; i < emoticonElements.size(); ++i)
{
QString file = emoticonElements.at(i).attributes().namedItem("file").nodeValue();
QDomElement stringElement = emoticonElements.at(i).firstChildElement("string");
QStringList emoticonSet; // { ":)", ":-)" } etc.
while (!stringElement.isNull())
{
QString emoticon = stringElement.text();
filenameTable.insert(emoticon, file);
emoticonSet.push_back(emoticon);
cacheSmiley(file); // preload all smileys
stringElement = stringElement.nextSibling().toElement();
}
emoticons.push_back(emoticonSet);
}
// success!
return true;
}
QIcon SmileyPack::getCachedSmiley(const QString &key)
{
// valid key?
if (!filenameTable.contains(key))
return QPixmap();
// cache it if needed
QString file = filenameTable.value(key);
if (!iconCache.contains(file))
cacheSmiley(file);
return iconCache.value(file);
}
QByteArray CSmileyPack::getCachedSmiley(const QString &key)
{
// valid key?
if (!filenameTable.contains(key))
return QByteArray();
// cache it if needed
QString file = filenameTable.value(key);
if (!imgCache.contains(file)) {
cacheSmiley(file);
}
return imgCache.value(file);
}
