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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 // NOT DEAD CODE! | |
6 // This code isn't dead, even if it isn't currently being used. Please refer to: | |
7 // https://www.chromium.org/developers/how-tos/compact-language-detector-cld-dat
a-source-configuration | |
8 | |
9 #include "components/translate/content/browser/browser_cld_data_provider_factory
.h" | |
10 | |
11 #include "base/lazy_instance.h" | |
12 #include "base/memory/ptr_util.h" | |
13 #include "components/translate/content/browser/browser_cld_data_provider.h" | |
14 | |
15 namespace { | |
16 | |
17 // The global instance, alive for the entire lifetime of the process. | |
18 translate::BrowserCldDataProviderFactory* g_instance = NULL; | |
19 | |
20 // The default factory, which produces no-op instances of BrowserCldDataProvider | |
21 // suitable for use when CLD data is statically-linked. | |
22 base::LazyInstance<translate::BrowserCldDataProviderFactory>::Leaky | |
23 g_wrapped_default = LAZY_INSTANCE_INITIALIZER; | |
24 | |
25 } // namespace | |
26 | |
27 | |
28 namespace translate { | |
29 | |
30 std::unique_ptr<BrowserCldDataProvider> | |
31 BrowserCldDataProviderFactory::CreateBrowserCldDataProvider( | |
32 content::WebContents* web_contents) { | |
33 return base::WrapUnique(new BrowserCldDataProvider); | |
34 } | |
35 | |
36 // static | |
37 bool BrowserCldDataProviderFactory::IsInitialized() { | |
38 return g_instance != NULL; | |
39 } | |
40 | |
41 // static | |
42 void BrowserCldDataProviderFactory::SetDefault( | |
43 BrowserCldDataProviderFactory* instance) { | |
44 if (!IsInitialized()) Set(instance); | |
45 } | |
46 | |
47 // static | |
48 void BrowserCldDataProviderFactory::Set( | |
49 BrowserCldDataProviderFactory* instance) { | |
50 g_instance = instance; | |
51 } | |
52 | |
53 // static | |
54 BrowserCldDataProviderFactory* BrowserCldDataProviderFactory::Get() { | |
55 if (IsInitialized()) return g_instance; | |
56 return &g_wrapped_default.Get(); | |
57 } | |
58 | |
59 } // namespace translate | |
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