blob: 187dd35bce3d95a15b1008331a86f5702665871a [file] [log] [blame]
// Copyright (c) 2013 The Chromium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#include <set>
#include <utility>
#include <vector>
#include "base/basictypes.h"
#include "base/command_line.h"
#include "base/files/file_path.h"
#include "base/threading/non_thread_safe.h"
#include "chrome/browser/process_singleton.h"
// Provides a ProcessSingleton::NotificationCallback that can queue up
// command-line invocations during startup and execute them when startup
// completes.
// The object starts in a locked state. |Unlock()| must be called
// when the process is prepared to handle command-line invocations.
// Once unlocked, notifications are forwarded to a wrapped NotificationCallback.
class ProcessSingletonStartupLock : public base::NonThreadSafe {
explicit ProcessSingletonStartupLock(
const ProcessSingleton::NotificationCallback& original_callback);
// Returns the ProcessSingleton::NotificationCallback.
// The callback is only valid during the lifetime of the
// ProcessSingletonStartupLock instance.
ProcessSingleton::NotificationCallback AsNotificationCallback();
// Executes previously queued command-line invocations and allows future
// invocations to be executed immediately.
void Unlock();
bool locked() { return locked_; }
typedef std::pair<base::CommandLine::StringVector, base::FilePath>
bool NotificationCallbackImpl(const base::CommandLine& command_line,
const base::FilePath& current_directory);
bool locked_;
std::vector<DelayedStartupMessage> saved_startup_messages_;
ProcessSingleton::NotificationCallback original_callback_;