Mark keys as a clean archtecture

src/content/usecases/MarkKeyUseCase.ts

@@ -0,0 +1,36 @@
+import MarkKeyRepository, { MarkKeyRepositoryImpl }
+  from '../repositories/MarkKeyRepository';
+
+export default class MarkKeyUseCase {
+  private repository: MarkKeyRepository;
+
+  constructor({
+    repository = new MarkKeyRepositoryImpl()
+  } = {}) {
+    this.repository = repository;
+  }
+
+  isSetMode(): boolean {
+    return this.repository.isSetMode();
+  }
+
+  isJumpMode(): boolean {
+    return this.repository.isJumpMode();
+  }
+
+  enableSetMode(): void {
+    this.repository.enableSetMode();
+  }
+
+  disableSetMode(): void {
+    this.repository.disabeSetMode();
+  }
+
+  enableJumpMode(): void {
+    this.repository.enableJumpMode();
+  }
+
+  disableJumpMode(): void {
+    this.repository.disabeJumpMode();
+  }
+}

src/content/usecases/MarkUseCase.ts

@@ -51,11 +51,15 @@ export default class MarkUseCase {
       if (!pos) {
         throw new Error('Mark is not set');
       }
-      let smooth = this.settingRepository.get().properties.smoothscroll;
-      this.scrollPresenter.scrollTo(pos.x, pos.y, smooth);
+      this.scroll(pos.x, pos.y);
     }
   }
 
+  scroll(x: number, y: number): void {
+    let smooth = this.settingRepository.get().properties.smoothscroll;
+    this.scrollPresenter.scrollTo(x, y, smooth);
+  }
+
   private globalKey(key: string) {
     return (/^[A-Z0-9]$/).test(key);
   }