Merge pull request #14134 from atom/fb-mdt-dont-store-default-locations

Don't store default locations

src/state-store.js

@@ -77,6 +77,21 @@ class StateStore {
     })
   }
 
+  delete (key) {
+    return new Promise((resolve, reject) => {
+      this.dbPromise.then((db) => {
+        if (db == null) return resolve()
+
+        var request = db.transaction(['states'], 'readwrite')
+          .objectStore('states')
+          .delete(key)
+
+        request.onsuccess = resolve
+        request.onerror = reject
+      })
+    })
+  }
+
   clear () {
     return this.dbPromise.then((db) => {
       if (!db) return

src/workspace.js

@@ -301,7 +301,17 @@ module.exports = class Workspace extends Model {
           if (typeof item.getURI === 'function') {
             const uri = item.getURI()
             if (uri != null) {
-              this.itemLocationStore.save(item.getURI(), paneContainer.getLocation())
+              const location = paneContainer.getLocation()
+              let defaultLocation
+              if (typeof item.getDefaultLocation === 'function') {
+                defaultLocation = item.getDefaultLocation()
+              }
+              defaultLocation = defaultLocation || 'center'
+              if (location === defaultLocation) {
+                this.itemLocationStore.delete(item.getURI())
+              } else {
+                this.itemLocationStore.save(item.getURI(), location)
+              }
             }
           }
         })