зеркало из https://github.com/mozilla/gecko-dev.git
81 строка
2.4 KiB
C
81 строка
2.4 KiB
C
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/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
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/* vim: set ts=8 sts=2 et sw=2 tw=80: */
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/* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this file,
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* You can obtain one at http://mozilla.org/MPL/2.0/. */
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#ifndef mozilla_ipc_ExtensionKitUtils_h
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#define mozilla_ipc_ExtensionKitUtils_h
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#include <functional>
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#include <xpc/xpc.h>
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#include "mozilla/DarwinObjectPtr.h"
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#include "mozilla/Result.h"
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#include "mozilla/ResultVariant.h"
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#include "mozilla/UniquePtr.h"
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#include "mozilla/ipc/LaunchError.h"
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namespace mozilla::ipc {
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class BEProcessCapabilityGrantDeleter {
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public:
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void operator()(void* aGrant) const;
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};
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using UniqueBEProcessCapabilityGrant =
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mozilla::UniquePtr<void, BEProcessCapabilityGrantDeleter>;
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class ExtensionKitProcess {
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public:
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enum class Kind {
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WebContent,
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Networking,
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Rendering,
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};
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// Called to start the process. The `aCompletion` function may be executed on
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// a background libdispatch thread.
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static void StartProcess(
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Kind aKind,
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const std::function<void(Result<ExtensionKitProcess, LaunchError>&&)>&
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aCompletion);
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// Get the kind of process being started.
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Kind GetKind() const { return mKind; }
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// Make an xpc_connection_t to this process. If an error is encountered,
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// `aError` will be populated with the error.
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//
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// Ownership over the newly created connection is returned to the caller.
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// The connection is returned in a suspended state, and must be resumed.
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DarwinObjectPtr<xpc_connection_t> MakeLibXPCConnection();
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UniqueBEProcessCapabilityGrant GrantForegroundCapability();
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// Invalidate the process, indicating that it should be cleaned up &
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// destroyed.
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void Invalidate();
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// Explicit copy constructors
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ExtensionKitProcess(const ExtensionKitProcess&);
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ExtensionKitProcess& operator=(const ExtensionKitProcess&);
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// Release the object when completed.
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~ExtensionKitProcess();
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private:
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ExtensionKitProcess(Kind aKind, void* aProcessObject)
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: mKind(aKind), mProcessObject(aProcessObject) {}
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// Type tag for `mProcessObject`.
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Kind mKind;
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// This is one of `BEWebContentProcess`, `BENetworkingProcess` or
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// `BERenderingProcess`. It has been type erased to be usable from C++ code.
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void* mProcessObject;
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};
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} // namespace mozilla::ipc
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#endif // mozilla_ipc_ExtensionKitUtils_h
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