save on window blur

autosave tweaks

src/ExcalidrawView.ts

@@ -838,6 +838,7 @@ export default class ExcalidrawView extends TextFileView {
     if(triggerReload) {
       this.reload(true, this.file);
     }
+    this.resetAutosaveTimer(); //next autosave period starts after save
   }
 
   // get the new file content
@@ -1534,7 +1535,7 @@ export default class ExcalidrawView extends TextFileView {
         }
       };
 
-      const onMouseLeave = () => {
+      const onBlurOrLeave = () => {
         if(!this.excalidrawAPI || !this.excalidrawData.loaded || !this.isDirty()) {
           return;
         }
@@ -1543,7 +1544,8 @@ export default class ExcalidrawView extends TextFileView {
 
       this.registerDomEvent(this.ownerWindow, "keydown", onKeyDown, false);
       this.registerDomEvent(this.ownerWindow, "keyup", onKeyUp, false);
-      this.registerDomEvent(this.contentEl, "mouseleave", onMouseLeave, false);
+      this.registerDomEvent(this.contentEl, "mouseleave", onBlurOrLeave, false);
+      this.registerDomEvent(this.ownerWindow, "blur", onBlurOrLeave, false);
     });
 
     this.setupAutosaveTimer();
@@ -1736,7 +1738,7 @@ export default class ExcalidrawView extends TextFileView {
           this.semaphores.autosaving = true;
           //changed from await to then to avoid lag during saving of large file
           this.save().then(()=>this.semaphores.autosaving = false);
-        } 
+        }
         this.autosaveTimer = window.setTimeout(
           timer,
           this.autosaveInterval,
@@ -1770,7 +1772,6 @@ export default class ExcalidrawView extends TextFileView {
       this.autosaveFunction,
       this.autosaveInterval,
     );
-
   }
 
   unload(): void {
@@ -2619,6 +2620,10 @@ export default class ExcalidrawView extends TextFileView {
 
   public setDirty(location?:number) {
     if(this.semaphores.saving) return; //do not set dirty if saving
+    if(!this.isDirty()) {
+      //the autosave timer should start when the first stroke was made... thus avoiding an immediate impact by saving right then
+      this.resetAutosaveTimer();
+    }
     (process.env.NODE_ENV === 'development') && DEBUGGING && debug(this.setDirty,`ExcalidrawView.setDirty, location:${location}`);
     this.semaphores.dirty = this.file?.path;
     this.actionButtons['save'].querySelector("svg").addClass("excalidraw-dirty");

src/settings.ts

@@ -224,8 +224,8 @@ export const DEFAULT_SETTINGS: ExcalidrawSettings = {
   onceOffCompressFlagReset: false,
   onceOffGPTVersionReset: false,
   autosave: true,
-  autosaveIntervalDesktop: 15000,
-  autosaveIntervalMobile: 10000,
+  autosaveIntervalDesktop: 30000,
+  autosaveIntervalMobile: 20000,
   drawingFilenamePrefix: "Drawing ",
   drawingEmbedPrefixWithFilename: true,
   drawingFilnameEmbedPostfix: " ",
@@ -762,7 +762,8 @@ export class ExcalidrawSettingTab extends PluginSettingTab {
     .setDesc(fragWithHTML(t("AUTOSAVE_INTERVAL_DESKTOP_DESC")))
     .addDropdown((dropdown) =>
       dropdown
-        .addOption("15000", "Frequent (every 15 seconds)")
+        .addOption("15000", "Very frequent (every 15 seconds)")
+        .addOption("30000", "Frequent (every 30 seconds)")
         .addOption("60000", "Moderate (every 60 seconds)")
         .addOption("300000", "Rare (every 5 minutes)")
         .addOption("900000", "Practically never (every 15 minutes)")
@@ -778,7 +779,8 @@ export class ExcalidrawSettingTab extends PluginSettingTab {
     .setDesc(fragWithHTML(t("AUTOSAVE_INTERVAL_MOBILE_DESC")))
     .addDropdown((dropdown) =>
       dropdown
-        .addOption("10000", "Frequent (every 10 seconds)")
+        .addOption("10000", "Very frequent (every 10 seconds)")
+        .addOption("20000", "Frequent (every 20 seconds)")
         .addOption("30000", "Moderate (every 30 seconds)")
         .addOption("60000", "Rare (every 1 minute)")
         .addOption("300000", "Practically never (every 5 minutes)")