Top-bottom panel refactor, more instant rendering

2023-12-27 18:05:47 +01:00
parent 9403fd2cd9
commit 4d66f23391
16 changed files with 227 additions and 327 deletions
@@ -0,0 +1,59 @@
+import { Hook, Manifest } from "../../plugos/types.ts";
+import { System } from "../../plugos/system.ts";
+import { CodeWidgetCallback } from "$sb/types.ts";
+
+export type PanelWidgetT = {
+  panelWidget?: "top" | "bottom";
+};
+
+export class PanelWidgetHook implements Hook<PanelWidgetT> {
+  callbacks = new Map<string, CodeWidgetCallback>();
+
+  constructor() {
+  }
+
+  collectAllPanelWidgets(system: System<PanelWidgetT>) {
+    this.callbacks.clear();
+    for (const plug of system.loadedPlugs.values()) {
+      for (
+        const [name, functionDef] of Object.entries(
+          plug.manifest!.functions,
+        )
+      ) {
+        if (!functionDef.panelWidget) {
+          continue;
+        }
+        this.callbacks.set(
+          functionDef.panelWidget,
+          (bodyText, pageName) => {
+            return plug.invoke(name, [bodyText, pageName]);
+          },
+        );
+      }
+    }
+  }
+
+  apply(system: System<PanelWidgetT>): void {
+    this.collectAllPanelWidgets(system);
+    system.on({
+      plugLoaded: () => {
+        this.collectAllPanelWidgets(system);
+      },
+    });
+  }
+
+  validateManifest(manifest: Manifest<PanelWidgetT>): string[] {
+    const errors = [];
+    for (const functionDef of Object.values(manifest.functions)) {
+      if (!functionDef.panelWidget) {
+        continue;
+      }
+      if (!["top", "bottom"].includes(functionDef.panelWidget)) {
+        errors.push(
+          `Panel widgets must be attached to either 'top' or 'bottom'.`,
+        );
+      }
+    }
+    return errors;
+  }
+}