RulesRegistry for declarative APIs.

chrome/browser/extensions/api/declarative/rules_registry_service.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 "chrome/browser/extensions/api/declarative/rules_registry_service.h"
+
+#include "base/logging.h"
+#include "base/stl_util.h"
+#include "chrome/browser/extensions/api/declarative/initializing_rules_registry.h"
+
+namespace extensions {
+
+RulesRegistryService::RulesRegistryService() {}
+
+RulesRegistryService::~RulesRegistryService() {}
+
+void RulesRegistryService::RegisterRulesRegistry(
+    const std::string& event_name,
+    scoped_ptr<RulesRegistry> rule_registry) {
+  DCHECK(rule_registries_.find(event_name) == rule_registries_.end());
+  rule_registries_[event_name] =
+      make_linked_ptr(new InitializingRulesRegistry(rule_registry.Pass()));
+}
+
+void RulesRegistryService::UnregisterAllRulesRegistries() {
+  rule_registries_.clear();
+}
+
+bool RulesRegistryService::AddRules(
+    const std::string& event_name,
+    const std::string& extension_id,
+    const std::vector<DictionaryValue*>& rules,
+    std::string* error) {
+  if (rule_registries_.find(event_name) == rule_registries_.end()) {
+    *error = "Invalid rules registry";
+    return false;
+  }
+  return rule_registries_[event_name]->AddRules(extension_id, rules, error);
+}
+
+bool RulesRegistryService::RemoveRules(
+    const std::string& event_name,
+    const std::string& extension_id,
+    const std::vector<std::string>& rule_identifiers,
+    std::string* error) {
+  if (rule_registries_.find(event_name) == rule_registries_.end()) {
+    *error = "Invalid rules registry";
+    return false;
+  }
+  return rule_registries_[event_name]->RemoveRules(
+      extension_id, rule_identifiers, error);
+}
+
+void RulesRegistryService::GetRules(
+    const std::string& event_name,
+    const std::string& extension_id,
+    const std::vector<std::string>& rule_identifiers,
+    std::vector<DictionaryValue*>* out) {
+  if (rule_registries_.find(event_name) == rule_registries_.end())
+    return;
+  rule_registries_[event_name]->GetRules(extension_id, rule_identifiers, out);
+}
+
+void RulesRegistryService::OnExtensionUnloaded(
+    const std::string& extension_id) {
+  RulesRegistryMap::iterator i;
+  for (i = rule_registries_.begin(); i != rule_registries_.end(); ++i)
+    i->second->OnExtensionUnloaded(extension_id);
+}
+
+}  // namespace extensions