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Unified Diff: media/base/media_resources.h

Issue 1362093002: Re-land: Add localized default audio device names. (Closed) Base URL: https://chromium.googlesource.com/chromium/src.git@master
Patch Set: Exclude media_resource_provider on iOS. Created 5 years, 3 months ago
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Index: media/base/media_resources.h
diff --git a/media/base/media_resources.h b/media/base/media_resources.h
new file mode 100644
index 0000000000000000000000000000000000000000..52053f79433a65e8418a647ce8acaddbe53816da
--- /dev/null
+++ b/media/base/media_resources.h
@@ -0,0 +1,52 @@
+// Copyright 2015 The Chromium Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
+#ifndef MEDIA_BASE_MEDIA_RESOURCES_H_
+#define MEDIA_BASE_MEDIA_RESOURCES_H_
+
+#include <string>
+
+#include "base/strings/string16.h"
+#include "media/base/media_export.h"
+
+namespace media {
+
+// The media layer can't access Chrome's resource bundle directly. This facility
+// allows clients to provide indirect access.
+
+// IDs that will get mapped to corresponding entries with IDS_ prefixes in
+// chrome/app/generated_resources.grd.
+enum MessageId {
+ DEFAULT_AUDIO_DEVICE_NAME,
+#if defined(OS_WIN)
+ COMMUNICATIONS_AUDIO_DEVICE_NAME,
+#endif
+#if defined(OS_CHROMEOS)
+ BEAMFORMING_ON_DEFAULT_AUDIO_INPUT_DEVICE_NAME,
+ BEAMFORMING_OFF_DEFAULT_AUDIO_INPUT_DEVICE_NAME,
+#endif
+};
+
+// Implementations are expected to convert MessageIds to generated_resources.grd
+// IDs and extract the matching string from Chrome's resource bundle (e.g.
+// through l10n_util::GetStringUTF16).
+using LocalizedStringProvider = base::string16 (*)(MessageId message_id);
+
+// Initializes the global LocalizedStringProvider function.
+MEDIA_EXPORT void SetLocalizedStringProvider(LocalizedStringProvider func);
+
+#if !defined(OS_IOS)
+// The LocalizedStringProvider has probably not been initialized on iOS. This
+// will give an early compile warning for clients attempting to use it.
+
+// Returns a resource string corresponding to |message_id|. See l10n_util.h.
+// Returns an empty string if the LocalizedStringProvider has not been
+// initialized or if the ID is unrecognized.
+std::string GetLocalizedStringUTF8(MessageId message_id);
+base::string16 GetLocalizedStringUTF16(MessageId message_id);
+#endif
+
+} // namespace media
+
+#endif // MEDIA_BASE_MEDIA_RESOURCES_H_
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