1 files changed, 79 insertions, 0 deletions
diff --git a/toolkit/components/sessionstore/SessionStoreParent.h b/toolkit/components/sessionstore/SessionStoreParent.h
new file mode 100644
index 0000000000..0cf723985e
--- /dev/null
+++ b/toolkit/components/sessionstore/SessionStoreParent.h
@@ -0,0 +1,79 @@
+/* -*- 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_SessionStoreParent_h
+#define mozilla_dom_SessionStoreParent_h
+
+#include "mozilla/dom/BrowserSessionStore.h"
+#include "mozilla/dom/CanonicalBrowsingContext.h"
+#include "mozilla/dom/Element.h"
+#include "mozilla/dom/PSessionStoreParent.h"
+#include "mozilla/dom/WindowGlobalParent.h"
+#include "mozilla/dom/SessionStoreScrollData.h"
+
+namespace mozilla::dom {
+class BrowserParent;
+
+class SessionStoreParent final : public PSessionStoreParent {
+ public:
+  SessionStoreParent(CanonicalBrowsingContext* aBrowsingContext,
+                     BrowserSessionStore* aSessionStore);
+
+  void FlushAllSessionStoreChildren(const std::function<void()>& aDone);
+
+  void FinalFlushAllSessionStoreChildren(const std::function<void()>& aDone);
+
+  /**
+   * Sends data to be stored and instructions to the session store to
+   * potentially collect data in the parent.
+   */
+  mozilla::ipc::IPCResult RecvSessionStoreUpdate(
+      const Maybe<nsCString>& aDocShellCaps, const Maybe<bool>& aPrivatedMode,
+      const MaybeSessionStoreZoom& aZoom, const bool aNeedCollectSHistory,
+      const uint32_t& aEpoch);
+
+  mozilla::ipc::IPCResult RecvIncrementalSessionStoreUpdate(
+      const MaybeDiscarded<BrowsingContext>& aBrowsingContext,
+      const Maybe<FormData>& aFormData, const Maybe<nsPoint>& aScrollPosition,
+      uint32_t aEpoch);
+
+  mozilla::ipc::IPCResult RecvResetSessionStore(
+      const MaybeDiscarded<BrowsingContext>& aBrowsingContext, uint32_t aEpoch);
+
+  NS_INLINE_DECL_CYCLE_COLLECTING_NATIVE_REFCOUNTING(SessionStoreParent)
+  NS_DECL_CYCLE_COLLECTION_NATIVE_CLASS(SessionStoreParent)
+
+ protected:
+  friend class SessionStoreChild;
+  void SessionStoreUpdate(const Maybe<nsCString>& aDocShellCaps,
+                          const Maybe<bool>& aPrivatedMode,
+                          const MaybeSessionStoreZoom& aZoom,
+                          const bool aNeedCollectSHistory,
+                          const uint32_t& aEpoch);
+
+  void IncrementalSessionStoreUpdate(
+      const MaybeDiscarded<BrowsingContext>& aBrowsingContext,
+      const Maybe<FormData>& aFormData, const Maybe<nsPoint>& aScrollPosition,
+      uint32_t aEpoch);
+
+  void ResetSessionStore(
+      const MaybeDiscarded<BrowsingContext>& aBrowsingContext, uint32_t aEpoch);
+
+ private:
+  ~SessionStoreParent() = default;
+
+  already_AddRefed<SessionStoreParent::FlushTabStatePromise>
+  FlushSessionStore();
+
+  bool mHasNewFormData = false;
+  bool mHasNewScrollPosition = false;
+
+  RefPtr<CanonicalBrowsingContext> mBrowsingContext;
+  RefPtr<BrowserSessionStore> mSessionStore;
+};
+}  // namespace mozilla::dom
+
+#endif  // mozilla_dom_SessionStoreParent_h