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Unified Diff: components/download/internal/noop_store.h

Issue 2870753003: Add a Model to the download component. (Closed)
Patch Set: Created 3 years, 7 months ago
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Index: components/download/internal/noop_store.h
diff --git a/components/download/internal/noop_store.h b/components/download/internal/noop_store.h
new file mode 100644
index 0000000000000000000000000000000000000000..32d1be58bc39151df8ee9a1d3cf8cab646124c32
--- /dev/null
+++ b/components/download/internal/noop_store.h
@@ -0,0 +1,44 @@
+// Copyright 2017 The Chromium Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
+#ifndef COMPONENTS_DOWNLOAD_INTERNAL_NOOP_STORE_H_
+#define COMPONENTS_DOWNLOAD_INTERNAL_NOOP_STORE_H_
+
+#include "base/macros.h"
+#include "base/memory/weak_ptr.h"
+#include "components/download/internal/store.h"
+
+namespace download {
+
+struct Entry;
+
+// A Store implementation that doesn't do anything but honors the interface
+// requirements.
Peter Beverloo 2017/05/10 12:44:45 Once an actual ProtoDB store is in place, will thi
David Trainor- moved to gerrit 2017/05/15 15:59:52 I was going to leave it for tests. Will add a TOD
+class NoopStore : public Store {
+ public:
+ NoopStore();
+ ~NoopStore() override;
+
+ // Store implementation.
+ bool IsInitialized() override;
+ void Initialize(const InitCallback& callback) override;
+ void Destroy(const StoreCallback& callback) override;
+ void Update(const Entry& entry, const StoreCallback& callback) override;
+ void Remove(const std::string& guid, const StoreCallback& callback) override;
+
+ private:
+ void OnInitFinished(const InitCallback& callback);
+
+ // Whether or not this Store is 'initialized.' Just gets set to |true| once
+ // Initialize() is called.
+ bool initialized_;
+
+ base::WeakPtrFactory<NoopStore> weak_ptr_factory_;
+
+ DISALLOW_COPY_AND_ASSIGN(NoopStore);
+};
+
+} // namespace download
+
+#endif // COMPONENTS_DOWNLOAD_INTERNAL_NOOP_STORE_H_

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