Implement FindNextOperator

1 files changed, 23 insertions, 0 deletions

diff --git a/src/content/presenters/FindPresenter.ts b/src/content/presenters/FindPresenter.ts
new file mode 100644
index 0000000..569f161
--- /dev/null
+++ b/src/content/presenters/FindPresenter.ts
@@ -0,0 +1,23 @@
+export default interface FindPresenter {
+  find(keyword: string, backwards: boolean): boolean;
+
+  clearSelection(): void;
+}
+
+export class FindPresenterImpl implements FindPresenter {
+  find(keyword: string, backwards: boolean): boolean {
+    const caseSensitive = false;
+    const wrapScan = false;
+
+    // NOTE: aWholeWord dows not implemented, and aSearchInFrames does not work
+    // because of same origin policy
+    return window.find(keyword, caseSensitive, backwards, wrapScan);
+  }
+
+  clearSelection(): void {
+    const sel = window.getSelection();
+    if (sel) {
+      sel.removeAllRanges();
+    }
+  }
+}