Merged HEAD-BUG-FIX (4.3/Cloud) to HEAD (4.3/Cloud)

57480: Merged V4.2-BUG-FIX (4.2.1) to HEAD-BUG-FIX (Cloud/4.3)
      57290: Merged V4.1-BUG-FIX (4.1.7) to V4.2-BUG-FIX (4.2.1)
         57279: Fix for MNT-9801.
         I have very slightly refactored the configuration of thumbnails. Rather than inject system.thumbnail.generate into both CreateThumbnail- and UpdateThumbnailActionExecuter, I am now injecting it into the ThumbnailService centrally. I left the old injector methods for backwards compatibility, but deprecated them.
         Now all requests to create a thumbnail via the ScriptNode API pre-check that thumbnail generation is enabled.


git-svn-id: https://svn.alfresco.com/repos/alfresco-enterprise/alfresco/HEAD/root@61822 c4b6b30b-aa2e-2d43-bbcb-ca4b014f7261

source/java/org/alfresco/service/cmr/thumbnail/ThumbnailService.java

@@ -148,4 +148,18 @@ public interface ThumbnailService
      */
     @Auditable(parameters = {"sourceNode"})
     Map<String, FailedThumbnailInfo> getFailedThumbnails(NodeRef sourceNode);
+    
+    /**
+     * This method enables or disables the creation of all thumbnails by this service.
+     * 
+     * @param thumbnailsEnabled <code>true</code> to enable all thumbnail creation (the default setting), or <code>false</code> to disable.
+     * @since 4.1.7
+     */
+    void setThumbnailsEnabled(boolean thumbnailsEnabled);
+    
+    /**
+     * This method indicates whether thumbnail creation via this service has been globally enabled or disabled.
+     * @since 4.1.7
+     */
+    boolean getThumbnailsEnabled();
 }