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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 "ui/base/resource/resource_bundle.h" | 5 #include "ui/base/resource/resource_bundle.h" |
| 6 | 6 |
| 7 #include "base/command_line.h" | |
| 8 #include "base/file_util.h" | |
| 9 #include "base/logging.h" | 7 #include "base/logging.h" |
| 10 #include "base/path_service.h" | |
| 11 #include "base/stl_util.h" | 8 #include "base/stl_util.h" |
| 12 #include "base/string_piece.h" | 9 #include "base/string_piece.h" |
| 13 #include "base/synchronization/lock.h" | 10 #include "base/synchronization/lock.h" |
| 14 #include "build/build_config.h" | 11 #include "build/build_config.h" |
| 15 #include "third_party/skia/include/core/SkBitmap.h" | 12 #include "third_party/skia/include/core/SkBitmap.h" |
| 16 #include "ui/base/l10n/l10n_util.h" | |
| 17 #include "ui/base/resource/data_pack.h" | 13 #include "ui/base/resource/data_pack.h" |
| 18 #include "ui/base/ui_base_paths.h" | |
| 19 #include "ui/base/ui_base_switches.h" | |
| 20 #include "ui/gfx/codec/png_codec.h" | 14 #include "ui/gfx/codec/png_codec.h" |
| 21 #include "ui/gfx/font.h" | 15 #include "ui/gfx/font.h" |
| 22 #include "ui/gfx/image/image.h" | 16 #include "ui/gfx/image/image.h" |
| 23 | 17 |
| 24 namespace ui { | 18 namespace ui { |
| 25 | 19 |
| 26 namespace { | 20 namespace { |
| 27 | 21 |
| 28 // Font sizes relative to base font. | 22 // Font sizes relative to base font. |
| 29 #if defined(OS_CHROMEOS) && defined(CROS_FONTS_USING_BCI) | 23 #if defined(OS_CHROMEOS) && defined(CROS_FONTS_USING_BCI) |
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| 72 | 66 |
| 73 /* static */ | 67 /* static */ |
| 74 void ResourceBundle::InitSharedInstanceForTest(const FilePath& path) { | 68 void ResourceBundle::InitSharedInstanceForTest(const FilePath& path) { |
| 75 DCHECK(g_shared_instance_ == NULL) << "ResourceBundle initialized twice"; | 69 DCHECK(g_shared_instance_ == NULL) << "ResourceBundle initialized twice"; |
| 76 g_shared_instance_ = new ResourceBundle(); | 70 g_shared_instance_ = new ResourceBundle(); |
| 77 | 71 |
| 78 g_shared_instance_->LoadTestResources(path); | 72 g_shared_instance_->LoadTestResources(path); |
| 79 } | 73 } |
| 80 | 74 |
| 81 /* static */ | 75 /* static */ |
| 82 DataPack* ResourceBundle::LoadResourcesDataPak(const FilePath& path) { | |
| 83 DataPack* datapack = new DataPack; | |
| 84 bool success = datapack->Load(path); | |
| 85 if (!success) { | |
| 86 delete datapack; | |
| 87 datapack = NULL; | |
| 88 } | |
| 89 return datapack; | |
| 90 } | |
| 91 | |
| 92 /* static */ | |
| 93 std::string ResourceBundle::ReloadSharedInstance( | 76 std::string ResourceBundle::ReloadSharedInstance( |
| 94 const std::string& pref_locale) { | 77 const std::string& pref_locale) { |
| 95 DCHECK(g_shared_instance_ != NULL) << "ResourceBundle not initialized"; | 78 DCHECK(g_shared_instance_ != NULL) << "ResourceBundle not initialized"; |
| 96 | 79 |
| 97 g_shared_instance_->UnloadLocaleResources(); | 80 g_shared_instance_->UnloadLocaleResources(); |
| 98 return g_shared_instance_->LoadLocaleResources(pref_locale); | 81 return g_shared_instance_->LoadLocaleResources(pref_locale); |
| 99 } | 82 } |
| 100 | 83 |
| 101 /* static */ | 84 /* static */ |
| 102 void ResourceBundle::AddDataPackToSharedInstance(const FilePath& path) { | 85 void ResourceBundle::AddDataPackToSharedInstance(const FilePath& path) { |
| 103 DCHECK(g_shared_instance_ != NULL) << "ResourceBundle not initialized"; | 86 DCHECK(g_shared_instance_ != NULL) << "ResourceBundle not initialized"; |
| 104 g_shared_instance_->data_packs_.push_back(new LoadedDataPack(path)); | 87 g_shared_instance_->data_packs_.push_back(new LoadedDataPack(path)); |
| 105 } | 88 } |
| 106 | 89 |
| 107 /* static */ | 90 /* static */ |
| 108 void ResourceBundle::CleanupSharedInstance() { | 91 void ResourceBundle::CleanupSharedInstance() { |
| 109 if (g_shared_instance_) { | 92 if (g_shared_instance_) { |
| 110 delete g_shared_instance_; | 93 delete g_shared_instance_; |
| 111 g_shared_instance_ = NULL; | 94 g_shared_instance_ = NULL; |
| 112 } | 95 } |
| 113 } | 96 } |
| 114 | 97 |
| 115 /* static */ | 98 /* static */ |
| 116 ResourceBundle& ResourceBundle::GetSharedInstance() { | 99 ResourceBundle& ResourceBundle::GetSharedInstance() { |
| 117 // Must call InitSharedInstance before this function. | 100 // Must call InitSharedInstance before this function. |
| 118 CHECK(g_shared_instance_ != NULL); | 101 CHECK(g_shared_instance_ != NULL); |
| 119 return *g_shared_instance_; | 102 return *g_shared_instance_; |
| 120 } | 103 } |
| 121 | 104 |
| 122 #if !defined(OS_MACOSX) | |
| 123 /* static */ | |
| 124 FilePath ResourceBundle::GetLocaleFilePath(const std::string& app_locale) { | |
| 125 FilePath locale_file_path; | |
| 126 PathService::Get(ui::DIR_LOCALES, &locale_file_path); | |
| 127 if (locale_file_path.empty()) | |
| 128 return locale_file_path; | |
| 129 if (app_locale.empty()) | |
| 130 return FilePath(); | |
| 131 locale_file_path = locale_file_path.AppendASCII(app_locale + ".pak"); | |
| 132 if (!file_util::PathExists(locale_file_path)) | |
| 133 return FilePath(); | |
| 134 return locale_file_path; | |
| 135 } | |
| 136 #endif | |
| 137 | |
| 138 std::string ResourceBundle::LoadLocaleResources( | |
| 139 const std::string& pref_locale) { | |
| 140 DCHECK(!locale_resources_data_.get()) << "locale.pak already loaded"; | |
| 141 std::string app_locale = l10n_util::GetApplicationLocale(pref_locale); | |
| 142 FilePath locale_file_path; | |
| 143 CommandLine *command_line = CommandLine::ForCurrentProcess(); | |
| 144 if (command_line->HasSwitch(switches::kLocalePak)) { | |
| 145 locale_file_path = | |
| 146 command_line->GetSwitchValuePath(switches::kLocalePak); | |
| 147 } else { | |
| 148 locale_file_path = GetLocaleFilePath(app_locale); | |
| 149 } | |
| 150 if (locale_file_path.empty()) { | |
| 151 // It's possible that there is no locale.pak. | |
| 152 NOTREACHED(); | |
| 153 return std::string(); | |
| 154 } | |
| 155 locale_resources_data_.reset(LoadResourcesDataPak(locale_file_path)); | |
| 156 CHECK(locale_resources_data_.get()) << "failed to load locale.pak"; | |
| 157 return app_locale; | |
| 158 } | |
| 159 | |
| 160 void ResourceBundle::UnloadLocaleResources() { | |
| 161 locale_resources_data_.reset(); | |
| 162 } | |
| 163 | |
| 164 string16 ResourceBundle::GetLocalizedString(int message_id) { | |
| 165 // If for some reason we were unable to load a resource pak, return an empty | |
| 166 // string (better than crashing). | |
| 167 if (!locale_resources_data_.get()) { | |
| 168 LOG(WARNING) << "locale resources are not loaded"; | |
| 169 return string16(); | |
| 170 } | |
| 171 | |
| 172 base::StringPiece data; | |
| 173 if (!locale_resources_data_->GetStringPiece(message_id, &data)) { | |
| 174 // Fall back on the main data pack (shouldn't be any strings here except in | |
| 175 // unittests). | |
| 176 data = GetRawDataResource(message_id); | |
| 177 if (data.empty()) { | |
| 178 NOTREACHED() << "unable to find resource: " << message_id; | |
| 179 return string16(); | |
| 180 } | |
| 181 } | |
| 182 | |
| 183 // Data pack encodes strings as UTF16. | |
| 184 DCHECK_EQ(data.length() % 2, 0U); | |
| 185 string16 msg(reinterpret_cast<const char16*>(data.data()), | |
| 186 data.length() / 2); | |
| 187 return msg; | |
| 188 } | |
| 189 | |
| 190 SkBitmap* ResourceBundle::GetBitmapNamed(int resource_id) { | 105 SkBitmap* ResourceBundle::GetBitmapNamed(int resource_id) { |
| 191 const SkBitmap* bitmap = | 106 const SkBitmap* bitmap = |
| 192 static_cast<const SkBitmap*>(GetImageNamed(resource_id)); | 107 static_cast<const SkBitmap*>(GetImageNamed(resource_id)); |
| 193 return const_cast<SkBitmap*>(bitmap); | 108 return const_cast<SkBitmap*>(bitmap); |
| 194 } | 109 } |
| 195 | 110 |
| 196 gfx::Image& ResourceBundle::GetImageNamed(int resource_id) { | 111 gfx::Image& ResourceBundle::GetImageNamed(int resource_id) { |
| 197 // Check to see if the image is already in the cache. | 112 // Check to see if the image is already in the cache. |
| 198 { | 113 { |
| 199 base::AutoLock lock_scope(*lock_); | 114 base::AutoLock lock_scope(*lock_); |
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| 272 | 187 |
| 273 void ResourceBundle::ReloadFonts() { | 188 void ResourceBundle::ReloadFonts() { |
| 274 base::AutoLock lock_scope(*lock_); | 189 base::AutoLock lock_scope(*lock_); |
| 275 base_font_.reset(); | 190 base_font_.reset(); |
| 276 LoadFontsIfNecessary(); | 191 LoadFontsIfNecessary(); |
| 277 } | 192 } |
| 278 | 193 |
| 279 ResourceBundle::ResourceBundle() | 194 ResourceBundle::ResourceBundle() |
| 280 : lock_(new base::Lock), | 195 : lock_(new base::Lock), |
| 281 resources_data_(NULL), | 196 resources_data_(NULL), |
| 282 large_icon_resources_data_(NULL) { | 197 large_icon_resources_data_(NULL), |
| 198 locale_resources_data_(NULL) { |
| 283 } | 199 } |
| 284 | 200 |
| 285 void ResourceBundle::FreeImages() { | 201 void ResourceBundle::FreeImages() { |
| 286 STLDeleteContainerPairSecondPointers(images_.begin(), | 202 STLDeleteContainerPairSecondPointers(images_.begin(), |
| 287 images_.end()); | 203 images_.end()); |
| 288 images_.clear(); | 204 images_.clear(); |
| 289 } | 205 } |
| 290 | 206 |
| 291 void ResourceBundle::LoadFontsIfNecessary() { | 207 void ResourceBundle::LoadFontsIfNecessary() { |
| 292 lock_->AssertAcquired(); | 208 lock_->AssertAcquired(); |
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| 379 } | 295 } |
| 380 | 296 |
| 381 RefCountedStaticMemory* ResourceBundle::LoadedDataPack::GetStaticMemory( | 297 RefCountedStaticMemory* ResourceBundle::LoadedDataPack::GetStaticMemory( |
| 382 int resource_id) const { | 298 int resource_id) const { |
| 383 if (!data_pack_.get()) | 299 if (!data_pack_.get()) |
| 384 return NULL; | 300 return NULL; |
| 385 return data_pack_->GetStaticMemory(resource_id); | 301 return data_pack_->GetStaticMemory(resource_id); |
| 386 } | 302 } |
| 387 | 303 |
| 388 } // namespace ui | 304 } // namespace ui |
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