1 files changed, 72 insertions, 0 deletions
diff --git a/dom/security/trusted-types/TrustedTypePolicy.h b/dom/security/trusted-types/TrustedTypePolicy.h
new file mode 100644
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+++ b/dom/security/trusted-types/TrustedTypePolicy.h
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+/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
+/* vim: set ts=8 sts=2 et sw=2 tw=80: */
+/* This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
+
+#ifndef DOM_SECURITY_TRUSTED_TYPES_TRUSTEDTYPEPOLICY_H_
+#define DOM_SECURITY_TRUSTED_TYPES_TRUSTEDTYPEPOLICY_H_
+
+#include "js/TypeDecls.h"
+#include "js/Value.h"
+#include "mozilla/RefPtr.h"
+#include "mozilla/UniquePtr.h"
+#include "mozilla/dom/BindingDeclarations.h"
+#include "mozilla/dom/DOMString.h"
+#include "mozilla/dom/TrustedHTML.h"
+#include "mozilla/dom/TrustedScript.h"
+#include "mozilla/dom/TrustedScriptURL.h"
+#include "nsISupportsImpl.h"
+#include "nsStringFwd.h"
+#include "nsWrapperCache.h"
+
+namespace mozilla::dom {
+
+class TrustedTypePolicyFactory;
+
+// https://w3c.github.io/trusted-types/dist/spec/#trusted-type-policy
+class TrustedTypePolicy : public nsWrapperCache {
+ public:
+  NS_INLINE_DECL_CYCLE_COLLECTING_NATIVE_REFCOUNTING(TrustedTypePolicy)
+  NS_DECL_CYCLE_COLLECTION_NATIVE_WRAPPERCACHE_CLASS(TrustedTypePolicy)
+
+  explicit TrustedTypePolicy(TrustedTypePolicyFactory* aParentObject)
+      : mParentObject{aParentObject} {}
+
+  // Required for Web IDL binding.
+  TrustedTypePolicyFactory* GetParentObject() const { return mParentObject; }
+
+  // Required for Web IDL binding.
+  JSObject* WrapObject(JSContext* aCx,
+                       JS::Handle<JSObject*> aGivenProto) override;
+
+  // https://w3c.github.io/trusted-types/dist/spec/#trustedtypepolicy-name
+  void GetName(DOMString& aResult) const {
+    // TODO: impl.
+  }
+
+  // https://w3c.github.io/trusted-types/dist/spec/#dom-trustedtypepolicy-createhtml
+  UniquePtr<TrustedHTML> CreateHTML(
+      JSContext* aJSContext, const nsAString& aInput,
+      const Sequence<JS::Value>& aArguments) const;
+
+  // https://w3c.github.io/trusted-types/dist/spec/#dom-trustedtypepolicy-createscript
+  UniquePtr<TrustedScript> CreateScript(
+      JSContext* aJSContext, const nsAString& aInput,
+      const Sequence<JS::Value>& aArguments) const;
+
+  // https://w3c.github.io/trusted-types/dist/spec/#dom-trustedtypepolicy-createscripturl
+  UniquePtr<TrustedScriptURL> CreateScriptURL(
+      JSContext* aJSContext, const nsAString& aInput,
+      const Sequence<JS::Value>& aArguments) const;
+
+ private:
+  // Required because this class is ref-counted.
+  virtual ~TrustedTypePolicy() = default;
+
+  RefPtr<TrustedTypePolicyFactory> mParentObject;
+};
+
+}  // namespace mozilla::dom
+
+#endif  // DOM_SECURITY_TRUSTED_TYPES_TRUSTEDTYPEPOLICY_H_