1 files changed, 94 insertions, 0 deletions
diff --git a/mobile/android/actors/GeckoViewPrompterChild.sys.mjs b/mobile/android/actors/GeckoViewPrompterChild.sys.mjs
new file mode 100644
index 0000000000..bb8c4fbcff
--- /dev/null
+++ b/mobile/android/actors/GeckoViewPrompterChild.sys.mjs
@@ -0,0 +1,94 @@
+/* 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 { GeckoViewActorChild } from "resource://gre/modules/GeckoViewActorChild.sys.mjs";
+
+export class GeckoViewPrompterChild extends GeckoViewActorChild {
+  constructor() {
+    super();
+    this._prompts = new Map();
+  }
+
+  dismissPrompt(prompt) {
+    this.eventDispatcher.sendRequest({
+      type: "GeckoView:Prompt:Dismiss",
+      id: prompt.id,
+    });
+    this.unregisterPrompt(prompt);
+  }
+
+  updatePrompt(message) {
+    this.eventDispatcher.sendRequest({
+      type: "GeckoView:Prompt:Update",
+      prompt: message,
+    });
+  }
+
+  unregisterPrompt(prompt) {
+    this._prompts.delete(prompt.id);
+    this.sendAsyncMessage("UnregisterPrompt", {
+      id: prompt.id,
+    });
+  }
+
+  prompt(prompt, message) {
+    this._prompts.set(prompt.id, prompt);
+    this.sendAsyncMessage("RegisterPrompt", {
+      id: prompt.id,
+      promptType: prompt.getPromptType(),
+    });
+    // We intentionally do not await here as we want to fire NotifyPromptShow
+    // immediately rather than waiting until the user accepts/dismisses the
+    // prompt.
+    const result = this.eventDispatcher.sendRequestForResult({
+      type: "GeckoView:Prompt",
+      prompt: message,
+    });
+    this.sendAsyncMessage("NotifyPromptShow", {
+      id: prompt.id,
+    });
+    return result;
+  }
+
+  /**
+   * Handles the message coming from GeckoViewPrompterParent.
+   *
+   * @param   {string} message.name The subject of the message.
+   * @param   {object} message.data The data of the message.
+   */
+  async receiveMessage({ name, data }) {
+    const prompt = this._prompts.get(data.id);
+    if (!prompt) {
+      // Unknown prompt, probably for a different child actor.
+      return;
+    }
+    switch (name) {
+      case "GetPromptText": {
+        // eslint-disable-next-line consistent-return
+        return prompt.getPromptText();
+      }
+      case "GetInputText": {
+        // eslint-disable-next-line consistent-return
+        return prompt.getInputText();
+      }
+      case "SetInputText": {
+        prompt.setInputText(data.text);
+        break;
+      }
+      case "AcceptPrompt": {
+        prompt.accept();
+        break;
+      }
+      case "DismissPrompt": {
+        prompt.dismiss();
+        break;
+      }
+      default: {
+        break;
+      }
+    }
+  }
+}
+
+const { debug, warn } = GeckoViewPrompterChild.initLogging("Prompter");