gecko-dev/dom/ipc/BrowserBridgeHost.h

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2.2 KiB
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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 {
namespace 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;
void LoadURL(nsIURI* aURI) override;
void ResumeLoad(uint64_t aPendingSwitchId) override;
void DestroyStart() override;
void DestroyComplete() override;
bool Show(const ScreenIntSize& aSize, bool aParentIsActive) 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 dom
} // namespace mozilla
#endif // mozilla_dom_BrowserBridgeHost_h