1 files changed, 29 insertions, 7 deletions
diff --git a/dom/media/eme/KeySystemConfig.h b/dom/media/eme/KeySystemConfig.h
index cc35ba76de..39027d4401 100644
--- a/dom/media/eme/KeySystemConfig.h
+++ b/dom/media/eme/KeySystemConfig.h
@@ -9,12 +9,23 @@
 
 #include "nsString.h"
 #include "nsTArray.h"
+#include "mozilla/MozPromise.h"
 #include "mozilla/dom/MediaKeysBinding.h"
+#include "mozilla/dom/MediaKeySystemAccessBinding.h"
 
 namespace mozilla {
 
+struct KeySystemConfigRequest;
+
 struct KeySystemConfig {
  public:
+  using SupportedConfigsPromise =
+      MozPromise<nsTArray<KeySystemConfig>, bool /* aIgnored */,
+                 /* IsExclusive = */ true>;
+  using KeySystemConfigPromise =
+      MozPromise<dom::MediaKeySystemConfiguration, bool /* aIgnored */,
+                 /* IsExclusive = */ true>;
+
   // EME MediaKeysRequirement:
   // https://www.w3.org/TR/encrypted-media/#dom-mediakeysrequirement
   enum class Requirement {
@@ -129,9 +140,8 @@ struct KeySystemConfig {
     Software,
     Hardware,
   };
-  static bool CreateKeySystemConfigs(const nsAString& aKeySystem,
-                                     const DecryptionInfo aDecryption,
-                                     nsTArray<KeySystemConfig>& aOutConfigs);
+  static RefPtr<SupportedConfigsPromise> CreateKeySystemConfigs(
+      const nsTArray<KeySystemConfigRequest>& aRequests);
   static void GetGMPKeySystemConfigs(dom::Promise* aPromise);
 
   KeySystemConfig() = default;
@@ -169,10 +179,6 @@ struct KeySystemConfig {
 
   nsString GetDebugInfo() const;
 
-  // Return true if the given key system is equal to `mKeySystem`, or it can be
-  // mapped to the same key system
-  bool IsSameKeySystem(const nsAString& aKeySystem) const;
-
   nsString mKeySystem;
   nsTArray<nsString> mInitDataTypes;
   Requirement mPersistentState = Requirement::NotAllowed;
@@ -184,6 +190,22 @@ struct KeySystemConfig {
   ContainerSupport mMP4;
   ContainerSupport mWebM;
   bool mIsHDCP22Compatible = false;
+
+ private:
+  static void CreateClearKeyKeySystemConfigs(
+      const KeySystemConfigRequest& aRequest,
+      nsTArray<KeySystemConfig>& aOutConfigs);
+  static void CreateWivineL3KeySystemConfigs(
+      const KeySystemConfigRequest& aRequest,
+      nsTArray<KeySystemConfig>& aOutConfigs);
+};
+
+struct KeySystemConfigRequest final {
+  KeySystemConfigRequest(const nsAString& aKeySystem,
+                         KeySystemConfig::DecryptionInfo aDecryption)
+      : mKeySystem(aKeySystem), mDecryption(aDecryption) {}
+  const nsString mKeySystem;
+  const KeySystemConfig::DecryptionInfo mDecryption;
 };
 
 KeySystemConfig::SessionType ConvertToKeySystemConfigSessionType(