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| 1 // Copyright (c) 2011 The Chromium Authors. All rights reserved. | 1 // Copyright (c) 2011 The Chromium Authors. All rights reserved. |
| 2 // Use of this source code is governed by a BSD-style license that can be | 2 // Use of this source code is governed by a BSD-style license that can be |
| 3 // found in the LICENSE file. | 3 // found in the LICENSE file. |
| 4 | 4 |
| 5 #include "chrome/browser/resources_util.h" | 5 #include "chrome/browser/resources_util.h" |
| 6 | 6 |
| 7 #include <utility> | 7 #include <utility> |
| 8 | 8 |
| 9 #include "base/hash_tables.h" | 9 #include "base/hash_tables.h" |
| 10 #include "base/lazy_instance.h" | 10 #include "base/lazy_instance.h" |
| 11 #include "grit/theme_resources_map.h" | 11 #include "grit/theme_resources_map.h" |
| 12 #include "grit/theme_resources_standard_map.h" | |
| 13 | 12 |
| 14 namespace { | 13 namespace { |
| 15 | 14 |
| 16 // A wrapper class that holds a hash_map between resource strings and resource | 15 // A wrapper class that holds a hash_map between resource strings and resource |
| 17 // ids. This is done so we can use base::LazyInstance which takes care of | 16 // ids. This is done so we can use base::LazyInstance which takes care of |
| 18 // thread safety in initializing the hash_map for us. | 17 // thread safety in initializing the hash_map for us. |
| 19 class ThemeMap { | 18 class ThemeMap { |
| 20 public: | 19 public: |
| 21 typedef base::hash_map<std::string, int> StringIntMap; | 20 typedef base::hash_map<std::string, int> StringIntMap; |
| 22 | 21 |
| 23 ThemeMap() { | 22 ThemeMap() { |
| 24 for (size_t i = 0; i < kThemeResourcesSize; ++i) { | 23 for (size_t i = 0; i < kThemeResourcesSize; ++i) |
| 25 id_map_[kThemeResources[i].name] = kThemeResources[i].value; | 24 id_map_[kThemeResources[i].name] = kThemeResources[i].value; |
| 26 } | |
| 27 for (size_t i = 0; i < kThemeResourcesStandardSize; ++i) { | |
| 28 id_map_[kThemeResourcesStandard[i].name] = | |
| 29 kThemeResourcesStandard[i].value; | |
| 30 } | |
| 31 } | 25 } |
| 32 | 26 |
| 33 int GetId(const std::string& resource_name) { | 27 int GetId(const std::string& resource_name) { |
| 34 StringIntMap::const_iterator it = id_map_.find(resource_name); | 28 StringIntMap::const_iterator it = id_map_.find(resource_name); |
| 35 if (it == id_map_.end()) | 29 if (it == id_map_.end()) |
| 36 return -1; | 30 return -1; |
| 37 return it->second; | 31 return it->second; |
| 38 } | 32 } |
| 39 | 33 |
| 40 private: | 34 private: |
| 41 StringIntMap id_map_; | 35 StringIntMap id_map_; |
| 42 }; | 36 }; |
| 43 | 37 |
| 44 static base::LazyInstance<ThemeMap> g_theme_ids = LAZY_INSTANCE_INITIALIZER; | 38 static base::LazyInstance<ThemeMap> g_theme_ids = LAZY_INSTANCE_INITIALIZER; |
| 45 | 39 |
| 46 } // namespace | 40 } // namespace |
| 47 | 41 |
| 48 int ResourcesUtil::GetThemeResourceId(const std::string& resource_name) { | 42 int ResourcesUtil::GetThemeResourceId(const std::string& resource_name) { |
| 49 return g_theme_ids.Get().GetId(resource_name); | 43 return g_theme_ids.Get().GetId(resource_name); |
| 50 } | 44 } |
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