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// Copyright 2015 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#ifndef THIRD_PARTY_BLINK_RENDERER_MODULES_ENCRYPTEDMEDIA_ENCRYPTED_MEDIA_UTILS_H_
#define THIRD_PARTY_BLINK_RENDERER_MODULES_ENCRYPTEDMEDIA_ENCRYPTED_MEDIA_UTILS_H_
#include "third_party/blink/public/platform/web_encrypted_media_key_information.h"
#include "third_party/blink/public/platform/web_encrypted_media_types.h"
#include "third_party/blink/public/platform/web_media_key_system_configuration.h"
#include "third_party/blink/renderer/bindings/modules/v8/v8_media_key_status.h"
#include "third_party/blink/renderer/bindings/modules/v8/v8_media_keys_requirement.h"
#include "third_party/blink/renderer/platform/wtf/allocator/allocator.h"
#include "third_party/blink/renderer/platform/wtf/text/wtf_string.h"
namespace media {
enum class EmeInitDataType;
}
namespace blink {
// Deprecated: This was used on some older UKMs. For new UKMs please use
// media::GetKeySystemIntForUKM() instead. Reported to UKM. Existing values must
// not change and new values must be added at the end of the list.
enum KeySystemForUkmLegacy {
kClearKey = 0,
kWidevine = 1,
};
// Enum for EME MediaKeySystemAccess, MediaKeys and MediaKeySession APIs.
// Reported to UKM. Existing values should NEVER be changed.
enum class EmeApiType {
// Value 0 is reserved to detect errors.
kCreateMediaKeys = 1,
kSetServerCertificate = 2,
kGetStatusForPolicy = 3,
kGenerateRequest = 4,
kLoad = 5,
kUpdate = 6,
kClose = 7,
kRemove = 8,
};
// Config associated with a MediaKeys and its sessions.
struct MediaKeysConfig {
String key_system;
bool use_hardware_secure_codecs = false;
};
constexpr const char* kEncryptedMediaPermissionsPolicyConsoleWarning =
"Encrypted Media access has been blocked because of a Feature Policy "
"applied to the current document. See https://crbug.com/414348233 for more "
"details.";
class ExecutionContext;
class LocalDOMWindow;
class V8MediaKeyStatus;
class WebEncryptedMediaClient;
class EncryptedMediaUtils {
STATIC_ONLY(EncryptedMediaUtils);
public:
static media::EmeInitDataType ConvertToInitDataType(
const String& init_data_type);
static String ConvertFromInitDataType(media::EmeInitDataType init_data_type);
static WebEncryptedMediaSessionType ConvertToSessionType(
const String& session_type);
static String ConvertFromSessionType(WebEncryptedMediaSessionType);
static V8MediaKeyStatus ConvertKeyStatusToEnum(
const WebEncryptedMediaKeyInformation::KeyStatus);
static WebMediaKeySystemConfiguration::Requirement
ConvertToMediaKeysRequirement(V8MediaKeysRequirement::Enum);
static V8MediaKeysRequirement::Enum ConvertMediaKeysRequirementToEnum(
WebMediaKeySystemConfiguration::Requirement);
static WebEncryptedMediaClient* GetEncryptedMediaClientFromLocalDOMWindow(
LocalDOMWindow*);
static void ReportUsage(EmeApiType api_type,
ExecutionContext* execution_context,
const String& key_system,
bool use_hardware_secure_codecs,
bool is_persistent_session);
};
} // namespace blink
#endif // THIRD_PARTY_BLINK_RENDERER_MODULES_ENCRYPTEDMEDIA_ENCRYPTED_MEDIA_UTILS_H_
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