| // Copyright (c) 2013 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/android/resource_mapper.h" |
| |
| #include <map> |
| |
| #include "base/lazy_instance.h" |
| #include "base/logging.h" |
| #include "grit/theme_resources.h" |
| |
| namespace { |
| |
| typedef std::map<int, int> ResourceMap; |
| base::LazyInstance<ResourceMap>::Leaky g_id_map = LAZY_INSTANCE_INITIALIZER; |
| |
| } // namespace |
| |
| const int ResourceMapper::kMissingId = -1; |
| |
| int ResourceMapper::MapFromChromiumId(int resource_id) { |
| if (g_id_map.Get().empty()) { |
| ConstructMap(); |
| } |
| |
| ResourceMap::iterator iterator = g_id_map.Get().find(resource_id); |
| if (iterator != g_id_map.Get().end()) { |
| return iterator->second; |
| } |
| |
| // The resource couldn't be found. |
| NOTREACHED(); |
| return kMissingId; |
| } |
| |
| void ResourceMapper::ConstructMap() { |
| DCHECK(g_id_map.Get().empty()); |
| int next_id = 0; |
| |
| #define DEFINE_RESOURCE_ID(c_id,java_id) g_id_map.Get()[c_id] = next_id++; |
| #include "chrome/browser/android/resource_id.h" |
| #undef DEFINE_RESOURCE_ID |
| } |