Switch from libheif to imagemagick, fix #23

cinnamon-dynamic-wallpaper@TobiZog/5.4/extension.js

@@ -75,12 +75,24 @@ CinnamonDynamicWallpaperExtension.prototype = {
 			this.showNotification(_("Welcome to Cinnamon Dynamic Wallpaper"), 
 				_("Check the preferences to choose a dynamic wallpaper"), true)
 
+			// Check for necessary software
+			if (!find_program_in_path('convert')) {
+				// Run on Ubuntu/Debian based distros with APT package manager
+				if(GLib.find_program_in_path("apturl")) {
+					Util.spawnCommandLine("apturl apt://imagemagick");
+				} else {
+					// Notification on other distros
+					this.showNotification(_("imagemagick is not installed"), 
+					_("Please install the package manually for the full range of functions"), true)
+				}
+			}
+
 			// Hide the notification on system restart
 			this.settings.setValue("first_start", false)
 			this.settings.setValue("source_folder", DIRECTORY["path"] + "/res/images/included_image_sets/lakeside/")
 		}
 
-		// Start the main loop, checks in fixed time periods the 
+		// Start the main loop, checks in fixed time periods
 		this._loop()
 	},
 
@@ -170,11 +182,6 @@ function init(extensionMeta) {
  * @returns The extension object
  */
 function enable() {
-	// Check for necessary software
-	if (!find_program_in_path('heif-convert')) {
-		Util.spawnCommandLine("apturl apt://libheif-examples");
-	}
-
 	return extension;
 }
 

cinnamon-dynamic-wallpaper@TobiZog/5.4/res/preferences.glade

@@ -204,7 +204,8 @@
                   <object class="GtkToggleButton" id="tb_heic_file">
                     <property name="visible">True</property>
                     <property name="can-focus">True</property>
-                    <property name="receives-default">True</property>
+                    <property name="receives-default">False</property>
+                    <property name="tooltip-text" translatable="yes">Please install 'imagemagick' manually and reopen this configuration window</property>
                     <signal name="clicked" handler="on_toggle_button_heic_file_clicked" swapped="no"/>
                     <child>
                       <object class="GtkBox">

cinnamon-dynamic-wallpaper@TobiZog/5.4/src/model/main_view_model.py

@@ -1,5 +1,5 @@
 # GTK
-from gi.repository import Gio, Gdk
+from gi.repository import Gio, Gdk, GLib
 
 # Packages
 import os, time, locale, subprocess, getpass
@@ -244,7 +244,8 @@ class Main_View_Model:
 				os.remove(extract_folder + file)
 
 			# Extract the HEIC file
-			os.system("heif-convert '" + file_uri + "' '" + extract_folder + file_name + ".jpg'")
+			print(self.get_imagemagick_prompt() + " " + file_uri + " -quality 100% " + extract_folder + file_name + ".jpg")
+			os.system(self.get_imagemagick_prompt() + " " + file_uri + " -quality 100% " + extract_folder + file_name + ".jpg")
 
 			return True
 		except:
@@ -328,3 +329,24 @@ class Main_View_Model:
 		if os.path.isfile('/etc/lightdm/slick-greeter.conf.backup'):
 			subprocess.call(['pkexec', 'rm', '/etc/lightdm/slick-greeter.conf'])
 			subprocess.call(['pkexec', 'mv', '/etc/lightdm/slick-greeter.conf.backup', '/etc/lightdm/slick-greeter.conf'])
+
+
+	def check_for_imagemagick(self) -> bool:
+		# Imagemagick < v.7.0
+		if GLib.find_program_in_path("convert") != None:
+			return True
+		# Imagemagick >= v.7.0
+		elif GLib.find_program_in_path("imagemagick") != None:
+			return True
+		# Not installed
+		else:
+			return False
+		
+	def get_imagemagick_prompt(self) -> str:
+		# Imagemagick < v.7.0
+		if GLib.find_program_in_path("convert") != None:
+			return "convert"
+		# Imagemagick >= v.7.0
+		elif GLib.find_program_in_path("imagemagick") != None:
+			return "imagemagick convert"
+		

cinnamon-dynamic-wallpaper@TobiZog/5.4/src/view/main_window.py

@@ -171,6 +171,13 @@ class Main_Window:
 		self.add_items_to_combo_box(self.cb_image_set, self.view_model.image_sets)
 		self.image_source = self.image_source  # This triggers the @image_source.setter
 
+		## Disable the HEIF-Converter option, if the plugin isn't installed
+		if not self.view_model.check_for_imagemagick():
+			self.tb_heic_file.set_sensitive(False)
+		else:
+			## Remove the Tooltip
+			self.tb_heic_file.set_tooltip_text("")
+
 		# Page 2: Location & Times
 		self.add_items_to_combo_box(self.cb_network_provider, self.view_model.network_location_provider)
 		self.period_source = self.period_source	# This triggers the  @period_source.setter