Port thumbnailer to new install location and embed metadata

mime/CMakeLists.txt

@@ -9,8 +9,5 @@ update_xdg_mimetypes(${KDE_INSTALL_MIMEDIR})
 install(PROGRAMS palapeli_servicemenu.desktop DESTINATION ${KDE_INSTALL_DATADIR}/kio/servicemenus)
 
 # thumbnail creator plugin
-add_library(palathumbcreator MODULE thumbnail-creator.cpp)
+kcoreaddons_add_plugin(palathumbcreator SOURCES thumbnail-creator.cpp INSTALL_NAMESPACE "kf${QT_MAJOR_VERSION}/thumbcreator")
 target_link_libraries(palathumbcreator KF5::KIOCore KF5::KIOWidgets KF5::Archive)
-
-install(TARGETS palathumbcreator DESTINATION ${KDE_INSTALL_PLUGINDIR})
-install(FILES palathumbcreator.desktop DESTINATION ${KDE_INSTALL_KSERVICESDIR})

mime/palathumbcreator.desktop

-[Desktop Entry]
-Type=Service
-Name=Palapeli puzzles
-Name[bs]=Palapeli slagalice
-Name[ca]=Trencaclosques del Palapeli
-Name[ca@valencia]=Trencaclosques de Palapeli
-Name[cs]=Palapeli puzzle
-Name[da]=Palapeli-puslespil
-Name[de]=Palapeli-Puzzle
-Name[el]=Palapeli puzzles
-Name[en_GB]=Palapeli puzzles
-Name[es]=Rompecabezas de Palapeli
-Name[et]=Palapeli pusled
-Name[eu]=Palapeli buru-hausgarriak
-Name[fi]=Palapelit
-Name[fr]=Puzzles Palapeli
-Name[ga]=Puzail Palapeli
-Name[gl]=Quebracabezas de Palapeli
-Name[hu]=Palapeli-feladványok
-Name[is]=Palapeli púsl
-Name[it]=Puzzle per Palapeli
-Name[kk]=Palapeli басқатырғышы
-Name[km]=ល្បែង​ផ្គុំ​រូប​ Palapeli 
-Name[ko]=Palapeli 퍼즐
-Name[lv]=Palapeli mīklas
-Name[mr]=पालापेली कोडी
-Name[nb]=Palapeli-puslespill
-Name[nds]=Palapeli-Pusselspelen
-Name[nl]=Palapeli puzzels
-Name[nn]=Palapeli-puslespel
-Name[pl]=Puzzle Palapeli
-Name[pt]='Puzzles' do Palapeli
-Name[pt_BR]=Quebra-cabeças do Palapeli
-Name[ro]=Puzzle-uri Palapeli
-Name[ru]=Головоломки Palapeli
-Name[sk]=Palapeli puzzle
-Name[sl]=Sestavljanke Palapeli
-Name[sr]=Палапелијеве слагалице
-Name[sr@ijekavian]=Палапелијеве слагалице
-Name[sr@ijekavianlatin]=Palapelijeve slagalice
-Name[sr@latin]=Palapelijeve slagalice
-Name[sv]=Palapeli-pussel
-Name[tr]=Palapeli yapbozları
-Name[uk]=Складанки Palapeli
-Name[x-test]=xxPalapeli puzzlesxx
-Name[zh_CN]=Palapeli 拼图
-Name[zh_TW]=Palapeli 謎題
-ServiceTypes=ThumbCreator
-MimeType=application/x-palapeli-puzzle;
-CacheThumbnail=true
-X-KDE-Library=palathumbcreator

mime/palathumbcreator.json

+{
+    "CacheThumbnail": true,
+    "KPlugin": {
+        "MimeTypes": [
+            "application/x-palapeli-puzzle"
+        ],
+        "Name": "Palapeli puzzles"
+    }
+}

mime/thumbnail-creator.cpp

@@ -26,6 +26,13 @@ extern "C"
 	}
 }
 
+class KIOPluginForMetaData : public QObject
+{
+    Q_OBJECT
+    Q_PLUGIN_METADATA(IID "KIOPluginForMetaData" FILE "palathumbcreator.json")
+};
+
+
 bool Palapeli::ThumbCreator::create(const QString& path, int width, int height, QImage& image)
 {
 	Q_UNUSED(width) Q_UNUSED(height) //NOTE: The ThumbCreator APIDOX says that these params should be ignored for images read from the disk.
@@ -41,3 +48,5 @@ bool Palapeli::ThumbCreator::create(const QString& path, int width, int height,
 	image.load(cachePath + QLatin1String("image.jpg"));
 	return true;
 }
+
+#include "thumbnail-creator.moc"