1 files changed, 45 insertions, 0 deletions
diff --git a/src/background/operators/impls/OperatorFactoryImpl.ts b/src/background/operators/impls/OperatorFactoryImpl.ts
new file mode 100644
index 0000000..34e7bb5
--- /dev/null
+++ b/src/background/operators/impls/OperatorFactoryImpl.ts
@@ -0,0 +1,45 @@
+import { inject, delay, injectable } from "tsyringe";
+import Operator from "../Operator";
+import OperatorFactory from "../OperatorFactory";
+import OperatorFactoryChain from "../OperatorFactoryChain";
+import CommandOperatorFactoryChain from "./CommandOperatorFactoryChain";
+import InternalOperatorFactoryChain from "./InternalOperatorFactoryChain";
+import NavigateOperatorFactoryChain from "./NavigateOperatorFactoryChain";
+import RepeatOperatorFactoryChain from "./RepeatOperatorFactoryChain";
+import TabOperatorFactoryChain from "./TabOperatorFactoryChain";
+import ZoomOperatorFactoryChain from "./ZoomOperatorFactoryChain";
+import * as operations from "../../../shared/operations";
+
+@injectable()
+export class OperatorFactoryImpl implements OperatorFactory {
+  private readonly factoryChains: OperatorFactoryChain[];
+
+  constructor(
+    commandOperatorFactoryChain: CommandOperatorFactoryChain,
+    internalOperatorFactoryChain: InternalOperatorFactoryChain,
+    navigateOperatorFactoryChain: NavigateOperatorFactoryChain,
+    tabOperatorFactoryChain: TabOperatorFactoryChain,
+    zoomOperatorFactoryChain: ZoomOperatorFactoryChain,
+    @inject(delay(() => RepeatOperatorFactoryChain))
+    repeatOperatorFactoryChain: RepeatOperatorFactoryChain
+  ) {
+    this.factoryChains = [
+      commandOperatorFactoryChain,
+      internalOperatorFactoryChain,
+      navigateOperatorFactoryChain,
+      repeatOperatorFactoryChain,
+      tabOperatorFactoryChain,
+      zoomOperatorFactoryChain,
+    ];
+  }
+
+  create(op: operations.Operation): Operator {
+    for (const chain of this.factoryChains) {
+      const operator = chain.create(op);
+      if (operator !== null) {
+        return operator;
+      }
+    }
+    throw new Error("unknown operation: " + op.type);
+  }
+}