gecko-dev/dom/ipc/ContentProcessHost.h

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1.7 KiB
C
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/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*-
* vim: sts=8 sw=2 ts=2 tw=99 et :
* 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 _include_mozilla_dom_ipc_ContentProcessHost_h_
#define _include_mozilla_dom_ipc_ContentProcessHost_h_
#include "mozilla/ipc/GeckoChildProcessHost.h"
namespace mozilla {
namespace dom {
class ContentParent;
// ContentProcessHost is the "parent process" container for a subprocess handle
// and IPC connection. It owns the parent process IPDL actor, which in this
// case, is a ContentParent.
class ContentProcessHost final : public ::mozilla::ipc::GeckoChildProcessHost
{
friend class ContentParent;
public:
explicit
ContentProcessHost(ContentParent* aContentParent,
bool aIsFileContent = false);
~ContentProcessHost();
// Launch the subprocess asynchronously. On failure, false is returned.
// Otherwise, true is returned, and either the OnProcessHandleReady method is
// called when the process is created, or OnProcessLaunchError will be called
// if the process could not be spawned due to an asynchronous error.
bool Launch(StringVector aExtraOpts);
// Called on the IO thread.
void OnProcessHandleReady(ProcessHandle aProcessHandle) override;
void OnProcessLaunchError() override;
private:
DISALLOW_COPY_AND_ASSIGN(ContentProcessHost);
bool mHasLaunched;
ContentParent* mContentParent; // weak
};
} // namespace dom
} // namespace mozilla
#endif // _include_mozilla_dom_ipc_ContentProcessHost_h_