Stop service item generation running media twice

openlp/core/lib/__init__.py

@@ -36,6 +36,14 @@ from PyQt4 import QtCore, QtGui, Qt
 
 log = logging.getLogger(__name__)
 
+class ServiceItemContext(object):
+    """
+    The context in which a Service Item is being generated
+    """
+    Preview = 0
+    Live = 1
+    Service = 2
+
 
 class ImageSource(object):
     """
@@ -394,4 +402,4 @@ from dockwidget import OpenLPDockWidget
 from imagemanager import ImageManager
 from renderer import Renderer
 from mediamanageritem import MediaManagerItem
-from openlp.core.utils.actions import ActionList
+

openlp/core/lib/mediamanageritem.py

@@ -35,7 +35,8 @@ import re
 from PyQt4 import QtCore, QtGui
 
 from openlp.core.lib import SettingsManager, OpenLPToolbar, ServiceItem, \
-    StringContent, build_icon, translate, Receiver, ListWidgetWithDnD
+    StringContent, build_icon, translate, Receiver, ListWidgetWithDnD, \
+    ServiceItemContext
 from openlp.core.lib.searchedit import SearchEdit
 from openlp.core.lib.ui import UiStrings, create_widget_action, \
     critical_error_message_box
@@ -43,6 +44,7 @@ from openlp.core.lib.settings import Settings
 
 log = logging.getLogger(__name__)
 
+
 class MediaManagerItem(QtGui.QWidget):
     """
     MediaManagerItem is a helper widget for plugins.
@@ -457,7 +459,7 @@ class MediaManagerItem(QtGui.QWidget):
         pass
 
     def generateSlideData(self, serviceItem, item=None, xmlVersion=False,
-        remote=False):
+        remote=False, context=ServiceItemContext.Live):
         raise NotImplementedError(u'MediaManagerItem.generateSlideData needs '
             u'to be defined by the plugin')
 
@@ -548,7 +550,8 @@ class MediaManagerItem(QtGui.QWidget):
                     self.addToService(item)
 
     def addToService(self, item=None, replace=None, remote=False):
-        serviceItem = self.buildServiceItem(item, True, remote=remote)
+        serviceItem = self.buildServiceItem(item, True, remote=remote,
+            context=ServiceItemContext.Service)
         if serviceItem:
             serviceItem.from_plugin = False
             self.plugin.serviceManager.addServiceItem(serviceItem,
@@ -581,13 +584,15 @@ class MediaManagerItem(QtGui.QWidget):
                     unicode(translate('OpenLP.MediaManagerItem',
                         'You must select a %s service item.')) % self.title)
 
-    def buildServiceItem(self, item=None, xmlVersion=False, remote=False):
+    def buildServiceItem(self, item=None, xmlVersion=False, remote=False,
+            context=ServiceItemContext.Live):
         """
         Common method for generating a service item
         """
         serviceItem = ServiceItem(self.plugin)
         serviceItem.add_icon(self.plugin.iconPath)
-        if self.generateSlideData(serviceItem, item, xmlVersion, remote):
+        if self.generateSlideData(serviceItem, item, xmlVersion, remote,
+            context):
             return serviceItem
         else:
             return None

openlp/plugins/bibles/lib/mediaitem.py

@@ -31,7 +31,7 @@ import logging
 from PyQt4 import QtCore, QtGui
 
 from openlp.core.lib import MediaManagerItem, Receiver, ItemCapabilities, \
-    translate, create_separated_list
+    translate, create_separated_list, ServiceItemContext
 from openlp.core.lib.searchedit import SearchEdit
 from openlp.core.lib.settings import Settings
 from openlp.core.lib.ui import UiStrings, set_case_insensitive_completer, \
@@ -893,7 +893,7 @@ class BibleMediaItem(MediaManagerItem):
         return items
 
     def generateSlideData(self, service_item, item=None, xmlVersion=False,
-        remote=False):
+        remote=False,context=ServiceItemContext.Service):
         """
         Generates and formats the slides for the service item as well as the
         service item's title.

openlp/plugins/custom/lib/mediaitem.py

@@ -32,7 +32,7 @@ from PyQt4 import QtCore, QtGui
 from sqlalchemy.sql import or_, func
 
 from openlp.core.lib import MediaManagerItem, Receiver, ItemCapabilities, \
-    check_item_selected, translate
+    check_item_selected, translate, ServiceItemContext
 from openlp.core.lib.ui import UiStrings
 from openlp.core.lib.settings import Settings
 from openlp.plugins.custom.forms import EditCustomForm
@@ -194,7 +194,7 @@ class CustomMediaItem(MediaManagerItem):
         self.searchTextEdit.setFocus()
 
     def generateSlideData(self, service_item, item=None, xmlVersion=False,
-        remote=False):
+        remote=False, context=ServiceItemContext.Service):
         item_id = self._getIdOfItemToGenerate(item, self.remoteCustom)
         service_item.add_capability(ItemCapabilities.CanEdit)
         service_item.add_capability(ItemCapabilities.CanPreview)

openlp/plugins/images/lib/mediaitem.py

@@ -33,7 +33,7 @@ from PyQt4 import QtCore, QtGui
 
 from openlp.core.lib import MediaManagerItem, build_icon, ItemCapabilities, \
     SettingsManager, translate, check_item_selected, check_directory_exists, \
-    Receiver, create_thumb, validate_thumb
+    Receiver, create_thumb, validate_thumb, ServiceItemContext
 from openlp.core.lib.ui import UiStrings, critical_error_message_box
 from openlp.core.lib.settings import Settings
 from openlp.core.utils import AppLocation, delete_file, locale_compare, \
@@ -152,7 +152,7 @@ class ImageMediaItem(MediaManagerItem):
             Receiver.send_message(u'cursor_normal')
 
     def generateSlideData(self, service_item, item=None, xmlVersion=False,
-        remote=False):
+        remote=False,context=ServiceItemContext.Service):
         background = QtGui.QColor(Settings().value(self.settingsSection
             + u'/background color', QtCore.QVariant(u'#000000')))
         if item:

openlp/plugins/media/lib/mediaitem.py

@@ -33,7 +33,7 @@ from PyQt4 import QtCore, QtGui
 
 from openlp.core.lib import MediaManagerItem, build_icon, ItemCapabilities, \
     SettingsManager, translate, check_item_selected, Receiver, MediaType, \
-    ServiceItem, build_html
+    ServiceItem, build_html, ServiceItemContext
 from openlp.core.lib.settings import Settings
 from openlp.core.lib.ui import UiStrings, critical_error_message_box, \
     create_horizontal_adjusting_combo_box
@@ -198,7 +198,7 @@ class MediaMediaItem(MediaManagerItem):
                     'the media file "%s" no longer exists.')) % filename)
 
     def generateSlideData(self, service_item, item=None, xmlVersion=False,
-                          remote=False):
+        remote=False, context=ServiceItemContext.Live):
         if item is None:
             item = self.listView.currentItem()
             if item is None:
@@ -216,10 +216,12 @@ class MediaMediaItem(MediaManagerItem):
         service_item.shortname = service_item.title
         (path, name) = os.path.split(filename)
         service_item.add_from_command(path, name, CLAPPERBOARD)
-        # Start media and obtain the length
-        if not self.plugin.mediaController.media_length(
-            self.mediaController, service_item):
-            return False
+        # Only get start and end times if going to a service
+        if context == ServiceItemContext.Service:
+            # Start media and obtain the length
+            if not self.plugin.mediaController.media_length(
+                self.mediaController, service_item):
+                return False
         service_item.add_capability(ItemCapabilities.CanAutoStartForLive)
         service_item.add_capability(ItemCapabilities.RequiresMedia)
         service_item.add_capability(ItemCapabilities.HasDetailedTitleDisplay)

openlp/plugins/presentations/lib/mediaitem.py

@@ -33,7 +33,7 @@ from PyQt4 import QtCore, QtGui
 
 from openlp.core.lib import MediaManagerItem, build_icon, SettingsManager, \
     translate, check_item_selected, Receiver, ItemCapabilities, create_thumb, \
-    validate_thumb
+    validate_thumb, ServiceItemContext
 from openlp.core.lib.ui import UiStrings, critical_error_message_box, \
     create_horizontal_adjusting_combo_box
 from openlp.core.lib.settings import Settings
@@ -243,7 +243,7 @@ class PresentationMediaItem(MediaManagerItem):
                 u'presentations', self.getFileList())
 
     def generateSlideData(self, service_item, item=None, xmlVersion=False,
-        remote=False):
+        remote=False, context=ServiceItemContext.Service):
         """
         Load the relevant information for displaying the presentation
         in the slidecontroller. In the case of powerpoints, an image

openlp/plugins/songs/lib/mediaitem.py

@@ -36,7 +36,7 @@ from sqlalchemy.sql import or_
 
 from openlp.core.lib import MediaManagerItem, Receiver, ItemCapabilities, \
     translate, check_item_selected, PluginStatus, create_separated_list, \
-    check_directory_exists
+    check_directory_exists, ServiceItemContext
 from openlp.core.lib.ui import UiStrings, create_widget_action
 from openlp.core.lib.settings import Settings
 from openlp.core.utils import AppLocation
@@ -449,7 +449,7 @@ class SongMediaItem(MediaManagerItem):
         self.onSongListLoad()
 
     def generateSlideData(self, service_item, item=None, xmlVersion=False,
-        remote=False):
+        remote=False, context=ServiceItemContext.Service):
         log.debug(u'generateSlideData: %s, %s, %s' %
             (service_item, item, self.remoteSong))
         item_id = self._getIdOfItemToGenerate(item, self.remoteSong)