102 lines
3.3 KiB
C++
102 lines
3.3 KiB
C++
/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
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/* vim:expandtab:shiftwidth=2:tabstop=2:
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*/
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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
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* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
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#ifndef TOOLKIT_COMPONENTS_REMOTE_NSREMOTESERVER_H_
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#define TOOLKIT_COMPONENTS_REMOTE_NSREMOTESERVER_H_
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#include "nsRemoteServer.h"
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#include "nsIObserver.h"
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#include "nsIRemoteService.h"
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#include "mozilla/ThreadSafeWeakPtr.h"
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#include "mozilla/UniquePtr.h"
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#include "nsIFile.h"
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#include "nsProfileLock.h"
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#include "mozilla/MozPromise.h"
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class nsStartupLock final
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: public mozilla::SupportsThreadSafeWeakPtr<nsStartupLock> {
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public:
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MOZ_DECLARE_REFCOUNTED_TYPENAME(nsStartupLock)
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NS_INLINE_DECL_THREADSAFE_REFCOUNTING(nsStartupLock)
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nsStartupLock(nsIFile* aDir, nsProfileLock& aLock);
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private:
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~nsStartupLock();
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nsCOMPtr<nsIFile> mDir;
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nsProfileLock mLock;
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};
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class nsRemoteService final : public nsIObserver, public nsIRemoteService {
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public:
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// We will be a static singleton, so don't use the ordinary methods.
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NS_DECL_ISUPPORTS
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NS_DECL_NSIOBSERVER
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NS_DECL_NSIREMOTESERVICE
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nsRemoteService();
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void SetProgram(const char* aProgram);
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void SetProfile(nsACString& aProfile);
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#ifdef MOZ_WIDGET_GTK
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void SetStartupToken(nsACString& aStartupToken);
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#endif
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using StartupLockPromise =
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mozilla::MozPromise<RefPtr<nsStartupLock>, nsresult, false>;
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/**
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* Attempts to asynchronously lock Firefox startup files. Resolves when the
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* lock is acquired or the timeout is reached
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*
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* Locking is attempted by polling so if multiple instances are attempting to
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* lock it is undefined which one will acquire it when it becomes available.
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* If this instance already has the lock then this returns the same lock.
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* The lock will be released once all instances of `nsStartupLock` have been
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* released.
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*
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* Since this blocks the main thread it should only be called during startup.
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*/
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RefPtr<StartupLockPromise> AsyncLockStartup(double aTimeout);
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/**
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* Attempts to synchronously lock startup files. Returns then the lock is
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* acquired or a timeout is reached. In the event of a timeout or other
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* failure a nullptr is returned. Since this blocks the main thread it should
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* only be called during startup.
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*
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* Locking is attempted by polling so if multiple instances are attempting to
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* lock it is undefined which one will acquire it when it becomes available.
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* If this instance already has the lock then this returns the same lock.
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* The lock will be released once all instances of `nsStartupLock` have been
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* released.
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*/
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already_AddRefed<nsStartupLock> LockStartup();
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nsresult StartClient();
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void StartupServer();
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void ShutdownServer();
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private:
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friend nsStartupLock;
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mozilla::ThreadSafeWeakPtr<nsStartupLock> mStartupLock;
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RefPtr<nsRemoteService::StartupLockPromise> mStartupLockPromise;
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~nsRemoteService();
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nsresult SendCommandLine(const nsACString& aProfile, size_t aArgc,
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const char** aArgv, bool aRaise);
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mozilla::UniquePtr<nsRemoteServer> mRemoteServer;
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nsCString mProgram;
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nsCString mProfile;
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#ifdef MOZ_WIDGET_GTK
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nsCString mStartupToken;
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#endif
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};
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#endif // TOOLKIT_COMPONENTS_REMOTE_NSREMOTESERVER_H_
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