Replacing Indexed DB Chromium IPC with Mojo

content/browser/indexed_db/indexed_db_change_handler_impl.cc

+// Copyright (c) 2012 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.
+
+#include "content/browser/indexed_db/indexed_db_change_handler_impl.h"
+
+#include <utility>
+
+#include "content/browser/indexed_db/indexed_db_connection.h"
+#include "content/browser/indexed_db/indexed_db_database_error.h"
+#include "content/browser/indexed_db/indexed_db_observer_changes.h"
+
+namespace content {
+
+IndexedDBChangeHandlerImpl::IndexedDBChangeHandlerImpl(
+    ::indexed_db::mojom::DatabaseObserverPtr database_observer)
+    : database_observer_(std::move(database_observer)) {}
+
+IndexedDBChangeHandlerImpl::~IndexedDBChangeHandlerImpl() {}
+
+void IndexedDBChangeHandlerImpl::OnForcedClose() {
+  if (!database_observer_)
+    return;
+
+  database_observer_->OnForcedClosed();
+  database_observer_ = nullptr;
+}
+
+void IndexedDBChangeHandlerImpl::OnVersionChange(int64_t old_version,
+                                                 int64_t new_version) {
+  if (!database_observer_)
+    return;
+
+  database_observer_->OnVersionChange(old_version, new_version);
+}
+
+void IndexedDBChangeHandlerImpl::OnAbort(int64_t transaction_id,
+                                         const IndexedDBDatabaseError& error) {
+  if (!database_observer_)
+    return;
+
+  if (connection_)
+    connection_->FinishTransaction(transaction_id, false);
+  database_observer_->OnTransactionAborted(transaction_id, error);
+}
+
+void IndexedDBChangeHandlerImpl::OnComplete(int64_t transaction_id) {
+  if (!database_observer_)
+    return;
+
+  if (connection_)
+    connection_->FinishTransaction(transaction_id, false);
+  database_observer_->OnTransactionCompleted(transaction_id);
+}
+
+void IndexedDBChangeHandlerImpl::OnDatabaseChange(
+    int32_t ipc_database_id,
+    std::unique_ptr<IndexedDBObserverChanges> changes) {
+// TODO(cmumford): Add observer functions to Mojo interface.
+#if 0
+  dispatcher_host_->Send(new IndexedDBMsg_DatabaseCallbacksChanges(
+      ipc_thread_id_, ipc_database_id,
+      IndexedDBDispatcherHost::ConvertObserverChanges(std::move(changes))));
+#endif
+}
+
+void IndexedDBChangeHandlerImpl::SetConnection(
+    base::WeakPtr<IndexedDBConnection> connection) {
+  connection_ = std::move(connection);
+}
+
+}  // namespace content