Reader

mojo/services/catalog/reader.h

+// Copyright 2016 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 MOJO_SERVICES_CATALOG_READER_H_
+#define MOJO_SERVICES_CATALOG_READER_H_
+
+#include "base/files/file_path.h"
+#include "base/macros.h"
+#include "base/memory/ref_counted.h"
+#include "base/memory/weak_ptr.h"
+#include "mojo/services/catalog/types.h"
+
+namespace base {
+class TaskRunner;
+}
+
+namespace catalog {
+
+class Reader {
+ public:
+  Reader(EntryCache* entry_cache,
+         base::TaskRunner* file_task_runner,
+         const base::FilePath& package_dir,
+         const base::Closure& read_complete_closure);
+  ~Reader();
+
+  // Scans |package_dir_| and reads every manifest it finds within on
+  // |file_task_runner_|, populating |entry_cache_| on the calling thread. When
+  // the read operation is complete, runs |read_complete_closure_|.
+  void ReadAllManifests();
+
+  // Reads the manifest for |mojo_name|.
+  void ReadManifestForName(const std::string& mojo_name);
+
+ private:
+  EntryCache* entry_cache_;
+  scoped_refptr<base::TaskRunner> original_task_runner_;
+  base::TaskRunner* file_task_runner_;
+  base::FilePath package_dir_;
+  base::Closure read_complete_closure_;
+
+  base::WeakPtrFactory<Reader> weak_factory_;
+
+  DISALLOW_COPY_AND_ASSIGN(Reader);
+};
+
+}  // namespace catalog
+
+#endif  // MOJO_SERVICES_CATALOG_READER_H_