| // Copyright 2014 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 "extensions/browser/extension_function_registry.h" |
| |
| #include "base/memory/singleton.h" |
| #include "extensions/browser/extension_function.h" |
| #include "extensions/browser/extensions_browser_client.h" |
| |
| // static |
| ExtensionFunctionRegistry* ExtensionFunctionRegistry::GetInstance() { |
| return Singleton<ExtensionFunctionRegistry>::get(); |
| } |
| |
| ExtensionFunctionRegistry::ExtensionFunctionRegistry() { |
| extensions::ExtensionsBrowserClient* client = |
| extensions::ExtensionsBrowserClient::Get(); |
| if (client) { |
| client->RegisterExtensionFunctions(this); |
| } |
| } |
| |
| ExtensionFunctionRegistry::~ExtensionFunctionRegistry() {} |
| |
| void ExtensionFunctionRegistry::GetAllNames(std::vector<std::string>* names) { |
| for (FactoryMap::iterator iter = factories_.begin(); iter != factories_.end(); |
| ++iter) { |
| names->push_back(iter->first); |
| } |
| } |
| |
| bool ExtensionFunctionRegistry::OverrideFunction( |
| const std::string& name, |
| ExtensionFunctionFactory factory) { |
| FactoryMap::iterator iter = factories_.find(name); |
| if (iter == factories_.end()) { |
| return false; |
| } else { |
| iter->second.factory_ = factory; |
| return true; |
| } |
| } |
| |
| ExtensionFunction* ExtensionFunctionRegistry::NewFunction( |
| const std::string& name) { |
| FactoryMap::iterator iter = factories_.find(name); |
| if (iter == factories_.end()) { |
| return NULL; |
| } |
| ExtensionFunction* function = iter->second.factory_(); |
| function->set_name(name); |
| function->set_histogram_value(iter->second.histogram_value_); |
| return function; |
| } |
| |
| ExtensionFunctionRegistry::FactoryEntry::FactoryEntry() |
| : factory_(0), histogram_value_(extensions::functions::UNKNOWN) {} |
| |
| ExtensionFunctionRegistry::FactoryEntry::FactoryEntry( |
| ExtensionFunctionFactory factory, |
| extensions::functions::HistogramValue histogram_value) |
| : factory_(factory), histogram_value_(histogram_value) {} |