From ccbe08cf66e16084c919f0b2fa2da81258c01d41 Mon Sep 17 00:00:00 2001
From: Shin'ya Ueoka <ueokande@i-beam.org>
Date: Sat, 25 May 2019 21:33:33 +0900
Subject: Repeat last operation

---
 src/background/usecases/RepeatUseCase.ts | 49 ++++++++++++++++++++++++++++++++
 1 file changed, 49 insertions(+)
 create mode 100644 src/background/usecases/RepeatUseCase.ts

(limited to 'src/background/usecases')

diff --git a/src/background/usecases/RepeatUseCase.ts b/src/background/usecases/RepeatUseCase.ts
new file mode 100644
index 0000000..a005682
--- /dev/null
+++ b/src/background/usecases/RepeatUseCase.ts
@@ -0,0 +1,49 @@
+import { injectable } from 'tsyringe';
+import * as operations from '../../shared/operations';
+import RepeatRepository from '../repositories/RepeatRepository';
+
+type Operation = operations.Operation;
+
+@injectable()
+export default class RepeatUseCase {
+  constructor(
+    private repeatRepository: RepeatRepository,
+  ) {
+  }
+
+  storeLastOperation(op: Operation): void {
+    this.repeatRepository.setLastOperation(op);
+  }
+
+  getLastOperation(): operations.Operation | undefined {
+    return this.repeatRepository.getLastOperation();
+  }
+
+  // eslint-disable-next-line complexity
+  isRepeatable(op: Operation): boolean {
+    switch (op.type) {
+    case operations.NAVIGATE_HISTORY_PREV:
+    case operations.NAVIGATE_HISTORY_NEXT:
+    case operations.NAVIGATE_LINK_PREV:
+    case operations.NAVIGATE_LINK_NEXT:
+    case operations.NAVIGATE_PARENT:
+    case operations.NAVIGATE_ROOT:
+    case operations.PAGE_SOURCE:
+    case operations.PAGE_HOME:
+    case operations.TAB_CLOSE:
+    case operations.TAB_CLOSE_FORCE:
+    case operations.TAB_CLOSE_RIGHT:
+    case operations.TAB_REOPEN:
+    case operations.TAB_RELOAD:
+    case operations.TAB_PIN:
+    case operations.TAB_UNPIN:
+    case operations.TAB_TOGGLE_PINNED:
+    case operations.TAB_DUPLICATE:
+    case operations.ZOOM_IN:
+    case operations.ZOOM_OUT:
+    case operations.ZOOM_NEUTRAL:
+      return true;
+    }
+    return false;
+  }
+}
-- 
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