Replacing Indexed DB Chromium IPC with Mojo

content/browser/indexed_db/database_factory_impl.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 CONTENT_BROWSER_INDEXED_DB_DATABASE_FACTORY_IMPL_H_
+#define CONTENT_BROWSER_INDEXED_DB_DATABASE_FACTORY_IMPL_H_
+
+#include "base/macros.h"
+#include "base/memory/ref_counted.h"
+#include "base/memory/weak_ptr.h"
+#include "base/process/process_handle.h"
+#include "content/browser/bad_message.h"
+#include "content/public/browser/browser_context.h"
+#include "mojo/public/cpp/bindings/strong_binding.h"
+#include "third_party/WebKit/public/platform/modules/indexeddb/indexed_db.mojom.h"
+
+namespace content {
+class IndexedDBConnection;
+class IndexedDBContextImpl;
+class IndexedDBDatabaseError;
+struct IndexedDBDatabaseMetadata;
+}
+
+namespace net {
+class URLRequestContext;
+class URLRequestContextGetter;
+}
+
+namespace indexed_db {
+
+class DatabaseFactoryImpl : public mojom::DatabaseFactory,
+                            public base::SupportsWeakPtr<DatabaseFactoryImpl> {
+ public:
+  static void Create(content::BrowserContext* context,
+                     net::URLRequestContextGetter* request_context_getter,
+                     mojom::DatabaseFactoryRequest request);
+
+ private:
+  DatabaseFactoryImpl(content::BrowserContext* context,
+                      content::IndexedDBContextImpl* indexed_db_context,
+                      net::URLRequestContext* request_context,
+                      mojom::DatabaseFactoryRequest request);
+  ~DatabaseFactoryImpl() override;
+
+  int64_t HostTransactionId(int64_t transaction_id);
+  int64_t RendererTransactionId(int64_t host_transaction_id);
+
+  void CrashRendererAndClosePipe(content::bad_message::BadMessageReason reason);
+
+  content::RenderProcessHost* GetRenderProcessHost();
+
+  void OnOpenResult(const base::TimeTicks& begin_time,
+                    const OpenCallback& mojo_callback,
+                    std::unique_ptr<content::IndexedDBConnection> connection,
+                    const content::IndexedDBDatabaseMetadata& metadata,
+                    const content::IndexedDBDatabaseError& error);
+
+  base::ProcessId peer_pid() const;
+
+  // mojom::DatabaseFactory:
+  void GetDatabaseNames(const url::Origin& origin) override;
+
+  void Open(const mojo::String& name,
+            int64_t version,
+            int64_t transaction_id,
+            const url::Origin& origin,
+            mojom::OpenRequestObserverPtr open_observer,
+            mojom::DatabaseObserverPtr database_handler,
+            const OpenCallback& callback) override;
+
+  void DeleteDatabase(const mojo::String& name,
+                      const url::Origin& origin) override;
+
+  content::BrowserContext* context_;
+  scoped_refptr<content::IndexedDBContextImpl> indexed_db_context_;
+  net::URLRequestContext* request_context_;
+  mojo::StrongBinding<mojom::DatabaseFactory> binding_;
+
+  DISALLOW_COPY_AND_ASSIGN(DatabaseFactoryImpl);
+};
+
+}  // namespace indexed_db
+
+#endif  // CONTENT_BROWSER_INDEXED_DB_DATABASE_FACTORY_IMPL_H_