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1 // Copyright 2015 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 #ifndef MEDIA_BASE_MEDIA_RESOURCES_H_ | |
6 #define MEDIA_BASE_MEDIA_RESOURCES_H_ | |
7 | |
8 #include <string> | |
9 | |
10 #include "base/strings/string16.h" | |
11 #include "build/build_config.h" | |
12 #include "media/base/media_export.h" | |
13 #include "media/media_features.h" | |
14 | |
15 namespace media { | |
16 | |
17 // The media layer can't access Chrome's resource bundle directly. This facility | |
18 // allows clients to provide indirect access. | |
19 | |
20 // IDs that will get mapped to corresponding entries with IDS_ prefixes in | |
21 // chrome/app/generated_resources.grd. | |
22 enum MessageId { | |
23 DEFAULT_AUDIO_DEVICE_NAME, | |
24 #if defined(OS_WIN) | |
25 COMMUNICATIONS_AUDIO_DEVICE_NAME, | |
26 #endif | |
27 #if defined(OS_CHROMEOS) | |
28 BEAMFORMING_ON_DEFAULT_AUDIO_INPUT_DEVICE_NAME, | |
29 BEAMFORMING_OFF_DEFAULT_AUDIO_INPUT_DEVICE_NAME, | |
30 #endif | |
31 #if BUILDFLAG(ENABLE_MEDIA_REMOTING) | |
32 MEDIA_REMOTING_CAST_ERROR_TEXT, | |
33 MEDIA_REMOTING_CASTING_VIDEO_TEXT, | |
34 #endif | |
35 }; | |
36 | |
37 // Implementations are expected to convert MessageIds to generated_resources.grd | |
38 // IDs and extract the matching string from Chrome's resource bundle (e.g. | |
39 // through l10n_util::GetStringUTF16). | |
40 using LocalizedStringProvider = base::string16 (*)(MessageId message_id); | |
41 | |
42 // Initializes the global LocalizedStringProvider function. | |
43 MEDIA_EXPORT void SetLocalizedStringProvider(LocalizedStringProvider func); | |
44 | |
45 #if !defined(OS_IOS) | |
46 // The LocalizedStringProvider has probably not been initialized on iOS. This | |
47 // will give an early compile warning for clients attempting to use it. | |
48 | |
49 // Returns a resource string corresponding to |message_id|. See l10n_util.h. | |
50 // Returns an empty string if the LocalizedStringProvider has not been | |
51 // initialized or if the ID is unrecognized. | |
52 MEDIA_EXPORT std::string GetLocalizedStringUTF8(MessageId message_id); | |
53 base::string16 GetLocalizedStringUTF16(MessageId message_id); | |
54 #endif | |
55 | |
56 } // namespace media | |
57 | |
58 #endif // MEDIA_BASE_MEDIA_RESOURCES_H_ | |
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