1 files changed, 72 insertions, 0 deletions
diff --git a/mobile/android/actors/SelectionActionDelegateParent.sys.mjs b/mobile/android/actors/SelectionActionDelegateParent.sys.mjs
new file mode 100644
index 0000000000..3ef5830ce4
--- /dev/null
+++ b/mobile/android/actors/SelectionActionDelegateParent.sys.mjs
@@ -0,0 +1,72 @@
+/* This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
+
+import { GeckoViewActorParent } from "resource://gre/modules/GeckoViewActorParent.sys.mjs";
+
+export class SelectionActionDelegateParent extends GeckoViewActorParent {
+  respondTo = null;
+  actionId = null;
+
+  get rootActor() {
+    return this.browsingContext.top.currentWindowGlobal.getActor(
+      "SelectionActionDelegate"
+    );
+  }
+
+  receiveMessage(aMessage) {
+    const { data, name } = aMessage;
+    switch (name) {
+      case "ShowSelectionAction": {
+        this.rootActor.showSelectionAction(this, data);
+        break;
+      }
+
+      case "HideSelectionAction": {
+        this.rootActor.hideSelectionAction(this, data.reason);
+        break;
+      }
+
+      default: {
+        super.receiveMessage(aMessage);
+      }
+    }
+  }
+
+  hideSelectionAction(aRespondTo, reason) {
+    // Mark previous actions as stale. Don't do this for "invisibleselection"
+    // or "scroll" because previous actions should still be valid even after
+    // these events occur.
+    if (reason !== "invisibleselection" && reason !== "scroll") {
+      this.actionId = null;
+    }
+
+    this.eventDispatcher?.sendRequest({
+      type: "GeckoView:HideSelectionAction",
+      reason,
+    });
+  }
+
+  showSelectionAction(aRespondTo, aData) {
+    this.actionId = Services.uuid.generateUUID().toString();
+    this.respondTo = aRespondTo;
+
+    this.eventDispatcher?.sendRequest({
+      type: "GeckoView:ShowSelectionAction",
+      actionId: this.actionId,
+      ...aData,
+    });
+  }
+
+  executeSelectionAction(aData) {
+    if (this.actionId === null || aData.actionId != this.actionId) {
+      warn`Stale response ${aData.id} ${aData.actionId}`;
+      return;
+    }
+    this.respondTo.sendAsyncMessage("ExecuteSelectionAction", aData);
+  }
+}
+
+const { debug, warn } = SelectionActionDelegateParent.initLogging(
+  "SelectionActionDelegate"
+);