enhance(sync): watch :mobile/app-state-change

trigger a remote->local sync once :mobile/app-state-change activated

src/main/frontend/fs/sync.cljs

@@ -1748,6 +1748,13 @@
                (add-watch *sync-state ::update-global-state
                           (fn [_ _ _ n]
                             (state/set-file-sync-state repo n)))
+               ;; watch :mobile/app-state-change,
+               ;; trigger a remote->local once activated
+               (add-watch (rum/cursor state/state :mobile/app-state-change) "sync-manage"
+                          (fn [_ _ _ {:keys [is-active?]}]
+                            (when is-active?
+                              (offer! remote->local-sync-chan true))))
+
                (.start sm)
 
 
@@ -1769,7 +1776,6 @@
                               (sync-stop))))))))))))
 
 
-
 ;;; debug funcs
 (comment
   (get-remote-all-files-meta remoteapi graph-uuid)

src/main/frontend/mobile/core.cljs

@@ -11,7 +11,7 @@
             [frontend.util :as util]))
 
 (def *url (atom nil))
-;; FIXME: `appUrlOpen` are fired twice when receiving a same intent. 
+;; FIXME: `appUrlOpen` are fired twice when receiving a same intent.
 ;; The following two variable atoms are used to compare whether
 ;; they are from the same intent share.
 (def *last-shared-url (atom nil))
@@ -22,7 +22,7 @@
   []
   (let [path (fs/iOS-ensure-documents!)]
     (println "iOS container path: " path))
-  
+
   (.addEventListener js/window
                      "load"
                      (fn [_event]
@@ -31,7 +31,7 @@
                                         1000))))
 
   (mobile-util/check-ios-zoomed-display)
-  
+
   (.removeAllListeners mobile-util/file-sync)
 
   (.addListener mobile-util/file-sync "debug"
@@ -99,6 +99,7 @@
                 (fn [^js state]
                   (when (state/get-current-repo)
                     (let [is-active? (.-isActive state)]
+                      (state/set-mobile-app-state-change is-active?)
                       (when-not is-active?
                         (editor-handler/save-current-block!)))))))
 
@@ -108,6 +109,6 @@
 
   (when (mobile-util/native-ios?)
     (ios-init))
-  
+
   (when (mobile-util/native-platform?)
     (general-init)))

src/main/frontend/state.cljs

@@ -155,7 +155,10 @@
      ;;; add a random in (<= 1000000) to observer its update
      :mobile/toolbar-update-observer        0
      :mobile/show-tabbar?                   false
-
+     ;;; Used to monitor mobile app status,
+     ;;; value spec:
+     ;;; {:is-active? bool, :timestamp int}
+     :mobile/app-state-change                 (atom nil)
      ;; plugin
      :plugin/enabled                        (and (util/electron?)
                                                  ;; true false :theme-only
@@ -1685,3 +1688,9 @@
   [repo]
   (:feature/enable-encryption?
    (get (sub-config) repo)))
+
+(defn set-mobile-app-state-change
+  [is-active?]
+  (set-state! :mobile/app-state-change
+              {:is-active? is-active?
+               :timestamp (inst-ms (js/Date.))}))