moved thumbnail generation to plugin; extended plugin loading for pre and post window loading

plugins/thumbnailer/plugin.py

@@ -0,0 +1,59 @@
+# Python imports
+import os
+
+# Lib imports
+
+# Application imports
+from plugins.plugin_base import PluginBase
+from .icons.controller import IconController
+
+
+
+class Plugin(PluginBase):
+    def __init__(self):
+        super().__init__()
+
+        self.name        = "Thumbnailer"  # NOTE: Need to remove after establishing private bidirectional 1-1 message bus
+                                          #       where self.name should not be needed for message comms
+        # self.path        = os.path.dirname(os.path.realpath(__file__))
+
+
+    def run(self):
+        self.icon_controller = IconController()
+        self._event_system.subscribe("create-thumbnail", self.create_thumbnail)
+
+    def generate_reference_ui_element(self):
+        ...
+
+    def create_thumbnail(self, dir, file) -> str:
+        return self.icon_controller.create_icon(dir, file)
+
+    def get_video_icons(self, dir) -> list:
+        data = []
+
+    def get_video_icons(self) -> list:
+        data    = []
+        fvideos = self.icon_controller.fvideos
+        vids    = [ file for file in os.path.list_dir(dir) if file.lower().endswith(fvideos) ]
+
+        for file in vids:
+            img_hash, hash_img_path = self.create_video_thumbnail(full_path = f"{dir}/{file}", returnHashInstead = True)
+            data.append([img_hash, hash_img_path])
+
+        return data
+
+    def get_pixbuf_icon_str_combo(self, dir)  -> list:
+        data = []
+        for file in os.path.list_dir(dir):
+            icon = self.icon_controller.create_icon(dir, file).get_pixbuf()
+            data.append([icon, file])
+
+        return data
+
+    def get_gtk_icon_str_combo(self, dir) -> list:
+        data = []
+        for file in os.path.list_dir(dir):
+            icon = self.icon_controller.create_icon(dir, file)
+            data.append([icon, file[0]])
+
+        return data