1 files changed, 124 insertions, 0 deletions
diff --git a/netwerk/protocol/http/HttpBackgroundChannelParent.h b/netwerk/protocol/http/HttpBackgroundChannelParent.h
new file mode 100644
index 0000000000..7715d9bdfb
--- /dev/null
+++ b/netwerk/protocol/http/HttpBackgroundChannelParent.h
@@ -0,0 +1,124 @@
+/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
+/* vim: set sw=2 ts=8 et 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_net_HttpBackgroundChannelParent_h
+#define mozilla_net_HttpBackgroundChannelParent_h
+
+#include "mozilla/net/PHttpBackgroundChannelParent.h"
+#include "mozilla/Atomics.h"
+#include "mozilla/Mutex.h"
+#include "nsID.h"
+#include "nsISupportsImpl.h"
+
+class nsISerialEventTarget;
+
+namespace mozilla {
+namespace net {
+
+class HttpChannelParent;
+
+class HttpBackgroundChannelParent final : public PHttpBackgroundChannelParent {
+ public:
+  explicit HttpBackgroundChannelParent();
+
+  NS_INLINE_DECL_THREADSAFE_REFCOUNTING(HttpBackgroundChannelParent, final)
+
+  // Try to find associated HttpChannelParent with the same
+  // channel Id.
+  nsresult Init(const uint64_t& aChannelId);
+
+  // Callbacks for BackgroundChannelRegistrar to notify
+  // the associated HttpChannelParent is found.
+  void LinkToChannel(HttpChannelParent* aChannelParent);
+
+  // Callbacks for HttpChannelParent to close the background
+  // IPC channel.
+  void OnChannelClosed();
+
+  // To send OnStartRequest message over background channel.
+  bool OnStartRequest(const nsHttpResponseHead& aResponseHead,
+                      const bool& aUseResponseHead,
+                      const nsHttpHeaderArray& aRequestHeaders,
+                      const HttpChannelOnStartRequestArgs& aArgs,
+                      const nsCOMPtr<nsICacheEntry>& aCacheEntry,
+                      TimeStamp aOnStartRequestStart);
+
+  // To send OnTransportAndData message over background channel.
+  bool OnTransportAndData(const nsresult& aChannelStatus,
+                          const nsresult& aTransportStatus,
+                          const uint64_t& aOffset, const uint32_t& aCount,
+                          const nsCString& aData,
+                          TimeStamp aOnDataAvailableStart);
+
+  // To send OnStopRequest message over background channel.
+  bool OnStopRequest(const nsresult& aChannelStatus,
+                     const ResourceTimingStructArgs& aTiming,
+                     const nsHttpHeaderArray& aResponseTrailers,
+                     const nsTArray<ConsoleReportCollected>& aConsoleReports,
+                     TimeStamp aOnStopRequestStart);
+
+  // When ODA and OnStopRequest are sending from socket process to child
+  // process, this is the last IPC message sent from parent process.
+  bool OnConsoleReport(const nsTArray<ConsoleReportCollected>& aConsoleReports);
+
+  // To send OnAfterLastPart message over background channel.
+  bool OnAfterLastPart(const nsresult aStatus);
+
+  // To send OnProgress message over background channel.
+  bool OnProgress(const int64_t aProgress, const int64_t aProgressMax);
+
+  // To send OnStatus message over background channel.
+  bool OnStatus(const nsresult aStatus);
+
+  // To send FlushedForDiversion and DivertMessages messages
+  // over background channel.
+  bool OnDiversion();
+
+  // To send NotifyClassificationFlags message over background channel.
+  bool OnNotifyClassificationFlags(uint32_t aClassificationFlags,
+                                   bool aIsThirdParty);
+
+  // To send SetClassifierMatchedInfo message over background channel.
+  bool OnSetClassifierMatchedInfo(const nsACString& aList,
+                                  const nsACString& aProvider,
+                                  const nsACString& aFullHash);
+
+  // To send SetClassifierMatchedTrackingInfo message over background channel.
+  bool OnSetClassifierMatchedTrackingInfo(const nsACString& aLists,
+                                          const nsACString& aFullHashes);
+
+  nsISerialEventTarget* GetBackgroundTarget();
+
+  using ChildEndpointPromise =
+      MozPromise<ipc::Endpoint<extensions::PStreamFilterChild>, bool, true>;
+  [[nodiscard]] RefPtr<ChildEndpointPromise> AttachStreamFilter(
+      Endpoint<extensions::PStreamFilterParent>&& aParentEndpoint,
+      Endpoint<extensions::PStreamFilterChild>&& aChildEndpoint);
+
+  [[nodiscard]] RefPtr<GenericPromise> DetachStreamFilters();
+
+ protected:
+  void ActorDestroy(ActorDestroyReason aWhy) override;
+
+ private:
+  virtual ~HttpBackgroundChannelParent();
+
+  Atomic<bool> mIPCOpened;
+
+  // Used to ensure atomicity of mBackgroundThread
+  Mutex mBgThreadMutex MOZ_UNANNOTATED;
+
+  nsCOMPtr<nsISerialEventTarget> mBackgroundThread;
+
+  // associated HttpChannelParent for generating the channel events
+  RefPtr<HttpChannelParent> mChannelParent;
+};
+
+}  // namespace net
+}  // namespace mozilla
+
+#endif  // mozilla_net_HttpBackgroundChannelParent_h