Allow Catalogs to be constructed per-user

mojo/services/catalog/factory.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_FACTORY_H_
+#define MOJO_SERVICES_CATALOG_FACTORY_H_
+
+#include <map>
+#include <string>
+
+#include "base/macros.h"
+#include "base/memory/scoped_ptr.h"
+#include "base/memory/weak_ptr.h"
+#include "mojo/public/cpp/bindings/binding.h"
+#include "mojo/services/catalog/public/interfaces/catalog.mojom.h"
+#include "mojo/services/catalog/public/interfaces/resolver.mojom.h"
+#include "mojo/shell/public/cpp/shell_client.h"
+#include "mojo/shell/public/interfaces/shell_client.mojom.h"
+#include "mojo/shell/public/interfaces/shell_resolver.mojom.h"
+
+namespace base {
+class TaskRunner;
+}
+
+namespace mojo{
+class ShellConnection;
+}
+
+namespace catalog {
+
+class Catalog;
+class Store;
+
+// Creates and owns an instance of the catalog. Exposes a ShellClientPtr that
+// can be passed to the Shell, potentially in a different process.
+class Factory
+    : public mojo::ShellClient,
+      public mojo::InterfaceFactory<mojom::Catalog>,
+      public mojo::InterfaceFactory<mojom::Resolver>,
+      public mojo::InterfaceFactory<mojo::shell::mojom::ShellResolver> {
+ public:
+  Factory(base::TaskRunner* file_task_runner, scoped_ptr<Store> store);
+  ~Factory() override;
+
+  mojo::shell::mojom::ShellClientPtr TakeShellClient();
+
+ private:
+  // mojo::ShellClient:
+  bool AcceptConnection(mojo::Connection* connection) override;
+
+  // mojo::InterfaceFactory<mojom::Resolver>:
+  void Create(mojo::Connection* connection,
+              mojom::ResolverRequest request) override;
+
+  // mojo::InterfaceFactory<mojo::shell::mojom::ShellResolver>:
+  void Create(mojo::Connection* connection,
+              mojo::shell::mojom::ShellResolverRequest request) override;
+
+  // mojo::InterfaceFactory<mojom::Catalog>:
+  void Create(mojo::Connection* connection,
+              mojom::CatalogRequest request) override;
+
+  Catalog* GetCatalogForUserId(const std::string& user_id);
+
+  base::TaskRunner* file_task_runner_;
+  scoped_ptr<Store> store_;
+
+  mojo::shell::mojom::ShellClientPtr shell_client_;
+  scoped_ptr<mojo::ShellConnection> shell_connection_;
+
+  std::map<std::string, scoped_ptr<Catalog>> catalogs_;
+
+  base::WeakPtrFactory<Factory> weak_factory_;
+
+  DISALLOW_COPY_AND_ASSIGN(Factory);
+};
+
+}  // namespace catalog
+
+#endif  // MOJO_SERVICES_CATALOG_FACTORY_H_