1 files changed, 105 insertions, 0 deletions
diff --git a/dom/indexedDB/IDBFileRequest.h b/dom/indexedDB/IDBFileRequest.h
new file mode 100644
index 0000000000..2de8bbbcae
--- /dev/null
+++ b/dom/indexedDB/IDBFileRequest.h
@@ -0,0 +1,105 @@
+/* -*- 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 mozilla_dom_idbfilerequest_h__
+#define mozilla_dom_idbfilerequest_h__
+
+#include "DOMRequest.h"
+#include "js/TypeDecls.h"
+#include "mozilla/Attributes.h"
+#include "mozilla/dom/ScriptSettings.h"
+#include "nsCycleCollectionParticipant.h"
+#include "nsString.h"
+
+namespace mozilla {
+
+class EventChainPreVisitor;
+
+namespace dom {
+
+class IDBFileHandle;
+
+class IDBFileRequest final : public DOMRequest {
+  RefPtr<IDBFileHandle> mFileHandle;
+
+  nsString mEncoding;
+
+  bool mWrapAsDOMRequest;
+  bool mHasEncoding;
+
+ public:
+  [[nodiscard]] static RefPtr<IDBFileRequest> Create(IDBFileHandle* aFileHandle,
+                                                     bool aWrapAsDOMRequest);
+
+  void SetEncoding(const nsAString& aEncoding) {
+    mEncoding = aEncoding;
+    mHasEncoding = true;
+  }
+
+  const nsAString& GetEncoding() const { return mEncoding; }
+
+  bool HasEncoding() const { return mHasEncoding; }
+
+  void FireProgressEvent(uint64_t aLoaded, uint64_t aTotal);
+
+  template <typename ResultCallback>
+  void SetResult(const ResultCallback& aCallback) {
+    AssertIsOnOwningThread();
+
+    AutoJSAPI autoJS;
+    if (NS_WARN_IF(!autoJS.Init(GetOwnerGlobal()))) {
+      FireError(NS_ERROR_DOM_FILEHANDLE_UNKNOWN_ERR);
+      return;
+    }
+
+    JSContext* cx = autoJS.cx();
+
+    JS::Rooted<JS::Value> result(cx);
+    nsresult rv = aCallback(cx, &result);
+    if (NS_WARN_IF(NS_FAILED(rv))) {
+      FireError(rv);
+    } else {
+      FireSuccess(result);
+    }
+  }
+
+  // WebIDL
+  IDBFileHandle* GetFileHandle() const {
+    AssertIsOnOwningThread();
+    return mFileHandle;
+  }
+
+  IDBFileHandle* GetLockedFile() const {
+    AssertIsOnOwningThread();
+    return GetFileHandle();
+  }
+
+  IMPL_EVENT_HANDLER(progress)
+
+  void AssertIsOnOwningThread() const {
+    NS_ASSERT_OWNINGTHREAD(IDBFileRequest);
+  }
+
+  NS_DECL_ISUPPORTS_INHERITED
+  NS_DECL_CYCLE_COLLECTION_CLASS_INHERITED(IDBFileRequest, DOMRequest)
+
+  // EventTarget
+  void GetEventTargetParent(EventChainPreVisitor& aVisitor) override;
+
+  // nsWrapperCache
+  virtual JSObject* WrapObject(JSContext* aCx,
+                               JS::Handle<JSObject*> aGivenProto) override;
+
+ private:
+  IDBFileRequest(IDBFileHandle* aFileHandle, bool aWrapAsDOMRequest);
+
+  ~IDBFileRequest();
+};
+
+}  // namespace dom
+}  // namespace mozilla
+
+#endif  // mozilla_dom_idbfilerequest_h__