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// Copyright 2023 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#ifndef EXTENSIONS_COMMON_UTILS_EXTENSION_UTILS_H_
#define EXTENSIONS_COMMON_UTILS_EXTENSION_UTILS_H_
#include "extensions/common/extension_id.h"
#include "extensions/common/mojom/host_id.mojom.h"
namespace extensions {
class Extension;
// Returns the extension ID or an empty string if null.
const ExtensionId& MaybeGetExtensionId(const Extension* extension);
// Returns a HostID instance based on an `extension_id`.
inline mojom::HostID GenerateHostIdFromExtensionId(
const ExtensionId& extension_id) {
// Note: an empty `extension_id` can be used to refer to *all* extensions.
// See comment in dispatcher.cc.
return mojom::HostID(mojom::HostID::HostType::kExtensions, extension_id);
}
// Returns a HostID instance based on an `extension`.
inline mojom::HostID GenerateHostIdFromExtension(const Extension* extension) {
// Note: in some cases, a null Extension can be used. These cases should
// result in a HostID that's kExtensions with an id that's the empty string.
// See runtime_hooks_delegate_unittest.cc for an example.
return GenerateHostIdFromExtensionId(MaybeGetExtensionId(extension));
}
// Returns an `extension_id` from a HostID instance. Will CHECK if
// the HostID type isn't kExtensions.
inline const ExtensionId& GenerateExtensionIdFromHostId(
const mojom::HostID& host_id) {
CHECK_EQ(host_id.type, mojom::HostID::HostType::kExtensions);
return host_id.id;
}
} // namespace extensions
#endif // EXTENSIONS_COMMON_UTILS_EXTENSION_UTILS_H_
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