pause playing trails when collections are panned/zoomed. don't open mini trail player when following trail link if the trail is already shown

2 files changed, 5 insertions, 2 deletions

diff --git a/src/client/util/DocumentManager.ts b/src/client/util/DocumentManager.ts
index 7c867d710..088f2429d 100644
--- a/src/client/util/DocumentManager.ts
+++ b/src/client/util/DocumentManager.ts
@@ -38,10 +38,12 @@ export class DocumentManager {
             this._viewRenderedCbs.push({ doc, func });
             if (dv) {
                 this.callAddViewFuncs(dv);
+                return true;
             }
         } else {
             func(undefined as any);
         }
+        return false;
     };
     callAddViewFuncs = (view: DocumentView) => {
         const callFuncs = this._viewRenderedCbs.filter(vc => vc.doc === view.rootDoc);
diff --git a/src/client/util/LinkFollower.ts b/src/client/util/LinkFollower.ts
index 57618b53c..bbfd516da 100644
--- a/src/client/util/LinkFollower.ts
+++ b/src/client/util/LinkFollower.ts
@@ -116,8 +116,9 @@ export class LinkFollower {
                     if (target.type === DocumentType.PRES) {
                         const containerDocContext = DocumentManager.GetContextPath(sourceDoc, true); // gather all views that affect layout of sourceDoc so we can revert them after playing the rail
                         SelectionManager.DeselectAll();
-                        DocumentManager.Instance.AddViewRenderedCb(target, dv => containerDocContext.length && (dv.ComponentView as PresBox).PlayTrail(containerDocContext));
-                        PresBox.OpenPresMinimized(target, [0, 0]);
+                        if (!DocumentManager.Instance.AddViewRenderedCb(target, dv => containerDocContext.length && (dv.ComponentView as PresBox).PlayTrail(containerDocContext))) {
+                            PresBox.OpenPresMinimized(target, [0, 0]);
+                        }
                         finished?.();
                     } else {
                         const containerDocContext = DocumentManager.GetContextPath(target);