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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 mozilla_dom_BrowserBridgeHost_h
+#define mozilla_dom_BrowserBridgeHost_h
+
+#include "mozilla/dom/RemoteBrowser.h"
+#include "mozilla/dom/BrowserBridgeChild.h"
+
+namespace mozilla::dom {
+
+/**
+ * BrowserBridgeHost manages a remote browser from a content process.
+ *
+ * It is used via the RemoteBrowser interface in nsFrameLoader and proxies
+ * work to the chrome process via PBrowserBridge.
+ *
+ * See `dom/docs/Fission-IPC-Diagram.svg` for an overview of the DOM IPC
+ * actors.
+ */
+class BrowserBridgeHost : public RemoteBrowser {
+ public:
+ typedef mozilla::layers::LayersId LayersId;
+
+ explicit BrowserBridgeHost(BrowserBridgeChild* aChild);
+
+ NS_DECL_CYCLE_COLLECTING_ISUPPORTS
+ NS_DECL_CYCLE_COLLECTION_CLASS(BrowserBridgeHost)
+
+ // Get the IPDL actor for the BrowserBridgeChild.
+ BrowserBridgeChild* GetActor() { return mBridge; }
+
+ BrowserHost* AsBrowserHost() override { return nullptr; }
+ BrowserBridgeHost* AsBrowserBridgeHost() override { return this; }
+
+ TabId GetTabId() const override;
+ LayersId GetLayersId() const override;
+ BrowsingContext* GetBrowsingContext() const override;
+ nsILoadContext* GetLoadContext() const override;
+ bool CanRecv() const override;
+
+ void LoadURL(nsDocShellLoadState* aLoadState) override;
+ void ResumeLoad(uint64_t aPendingSwitchId) override;
+ void DestroyStart() override;
+ void DestroyComplete() override;
+
+ bool Show(const OwnerShowInfo&) override;
+ void UpdateDimensions(const nsIntRect& aRect,
+ const ScreenIntSize& aSize) override;
+
+ void UpdateEffects(EffectsInfo aInfo) override;
+
+ private:
+ virtual ~BrowserBridgeHost() = default;
+
+ already_AddRefed<nsIWidget> GetWidget() const;
+
+ // The IPDL actor for proxying browser operations
+ RefPtr<BrowserBridgeChild> mBridge;
+ EffectsInfo mEffectsInfo;
+};
+
+} // namespace mozilla::dom
+
+#endif // mozilla_dom_BrowserBridgeHost_h