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| 1 // Copyright 2014 The Chromium Authors. All rights reserved. |
| 2 // Use of this source code is governed by a BSD-style license that can be |
| 3 // found in the LICENSE file. |
| 4 |
| 5 #include "components/translate/content/browser/browser_cld_data_provider_factory
.h" |
| 6 |
| 7 #include "base/lazy_instance.h" |
| 8 #include "components/translate/content/browser/browser_cld_data_provider.h" |
| 9 |
| 10 namespace { |
| 11 |
| 12 // The global instance, alive for the entire lifetime of the process. |
| 13 translate::BrowserCldDataProviderFactory* g_instance = NULL; |
| 14 |
| 15 // The default factory, which produces no-op instances of BrowserCldDataProvider |
| 16 // suitable for use when CLD data is statically-linked. |
| 17 base::LazyInstance<translate::BrowserCldDataProviderFactory>::Leaky |
| 18 g_wrapped_default = LAZY_INSTANCE_INITIALIZER; |
| 19 |
| 20 } // namespace |
| 21 |
| 22 |
| 23 namespace translate { |
| 24 |
| 25 scoped_ptr<BrowserCldDataProvider> |
| 26 BrowserCldDataProviderFactory::CreateBrowserCldDataProvider( |
| 27 content::WebContents* web_contents) { |
| 28 return scoped_ptr<BrowserCldDataProvider>(new BrowserCldDataProvider()); |
| 29 } |
| 30 |
| 31 // static |
| 32 bool BrowserCldDataProviderFactory::IsInitialized() { |
| 33 return g_instance != NULL; |
| 34 } |
| 35 |
| 36 // static |
| 37 void BrowserCldDataProviderFactory::SetDefault( |
| 38 BrowserCldDataProviderFactory* instance) { |
| 39 if (!IsInitialized()) Set(instance); |
| 40 } |
| 41 |
| 42 // static |
| 43 void BrowserCldDataProviderFactory::Set( |
| 44 BrowserCldDataProviderFactory* instance) { |
| 45 g_instance = instance; |
| 46 } |
| 47 |
| 48 // static |
| 49 BrowserCldDataProviderFactory* BrowserCldDataProviderFactory::Get() { |
| 50 if (IsInitialized()) return g_instance; |
| 51 return &g_wrapped_default.Get(); |
| 52 } |
| 53 |
| 54 } // namespace translate |
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