1 files changed, 12 insertions, 0 deletions
diff --git a/src/background/presenters/FramePresenter.ts b/src/background/presenters/FramePresenter.ts
new file mode 100644
index 0000000..c94f8dd
--- /dev/null
+++ b/src/background/presenters/FramePresenter.ts
@@ -0,0 +1,12 @@
+export default interface FramePresenter {
+  getAllFrameIds(tabId: number): Promise<Array<number>>;
+}
+
+export class FramePresenterImpl implements FramePresenter {
+  async getAllFrameIds(tabId: number): Promise<Array<number>> {
+    const frames = await browser.webNavigation.getAllFrames({ tabId: tabId });
+    return frames
+      .filter((f) => !f.url.startsWith("moz-extension://"))
+      .map((f) => f.frameId);
+  }
+}