Add file managers integration for qvm-open-in-dvm --view-only

Rename existing entry from 'Open In DisposableVM' to 'Edit in
DisposableVM', then add new 'View In DisposableVM'.

Fixes QubesOS/qubes-issues#1118

misc/uca_qubes.xml

@@ -59,7 +59,7 @@
 </action>
 <action>
 	<icon>document-open</icon>
-	<name>Open in DisposableVM</name>
+	<name>Edit in DisposableVM</name>
 	<unique-id>1507455559234996-8</unique-id>
 	<command>/usr/lib/qubes/qvm-actions.sh opendvm %F</command>
 	<description></description>
@@ -70,3 +70,16 @@
 	<text-files/>
 	<video-files/>
 </action>
+<action>
+	<icon>document-open</icon>
+	<name>View in DisposableVM</name>
+	<unique-id>1507455559234997-9</unique-id>
+	<command>/usr/lib/qubes/qvm-actions.sh viewdvm %F</command>
+	<description></description>
+	<patterns>*</patterns>
+	<audio-files/>
+	<image-files/>
+	<other-files/>
+	<text-files/>
+	<video-files/>
+</action>

qubes-rpc/qvm-actions.sh

@@ -45,6 +45,12 @@ case "$action" in
             qvm-open-in-dvm "$file" | zenity --notification --text "Opening $file in DisposableVM..." --timeout 3 &
         done
         ;;
+    viewdvm)
+        for file in "$@"
+        do
+            qvm-open-in-dvm --view-only "$file" | zenity --notification --text "Opening $file in DisposableVM..." --timeout 3 &
+        done
+        ;;
     *)
         echo "Unknown action. Aborting..."
         exit 1

qubes-rpc/qvm-dvm.desktop

@@ -1,10 +1,15 @@
 [Desktop Entry]
-Actions=QvmDvm;
+Actions=QvmDvm;QvmViewDvm
 Type=Service
 X-KDE-ServiceTypes=KonqPopupMenu/Plugin,all/allfiles
 
 [Desktop Action QvmDvm]
 Exec=/usr/bin/qvm-open-in-dvm %U
 Icon=kget
-Name=Open In DisposableVM
+Name=Edit In DisposableVM
+
+[Desktop Action QvmViewDvm]
+Exec=/usr/bin/qvm-open-in-dvm --view-only %U
+Icon=kget
+Name=View In DisposableVM
 

qubes-rpc/qvm_dvm_nautilus.py

@@ -17,15 +17,24 @@ class OpenInDvmItemExtension(GObject.GObject, Nautilus.MenuProvider):
         if not files:
             return
 
-        menu_item = Nautilus.MenuItem(name='QubesMenuProvider::OpenInDvm',
-                                      label='Open In DisposableVM',
+        menu_item1 = Nautilus.MenuItem(name='QubesMenuProvider::OpenInDvm',
+                                      label='Edit In DisposableVM',
                                       tip='',
                                       icon='')
 
-        menu_item.connect('activate', self.on_menu_item_clicked, files)
-        return menu_item,
+        menu_item1.connect('activate', self.on_menu_item_clicked, files)
 
-    def on_menu_item_clicked(self, menu, files):
+        menu_item2 = Nautilus.MenuItem(name='QubesMenuProvider::ViewInDvm',
+                                      label='View In DisposableVM',
+                                      tip='',
+                                      icon='')
+
+        menu_item2.connect('activate',
+                self.on_menu_item_clicked,
+                files, True)
+        return menu_item1, menu_item2,
+
+    def on_menu_item_clicked(self, menu, files, view_only=False):
         '''Called when user chooses files though Nautilus context menu.
         '''
         for file_obj in files:
@@ -38,6 +47,11 @@ class OpenInDvmItemExtension(GObject.GObject, Nautilus.MenuProvider):
 
             # Use subprocess.DEVNULL in python >= 3.3
             devnull = open(os.devnull, 'wb')
+            command = ['nohup', '/usr/bin/qvm-open-in-dvm']
+            if view_only:
+                command.append('--view-only')
+            command.append(gio_file.get_path())
 
             # Use Popen instead of subprocess.call to spawn the process
-            Popen(['nohup', '/usr/bin/qvm-open-in-dvm', gio_file.get_path()], stdout=devnull, stderr=devnull)
+            Popen(command, stdout=devnull, stderr=devnull)
+            devnull.close()