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content / public / browser / browser_main_runner.h [blame]

// Copyright 2012 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.

#ifndef CONTENT_PUBLIC_BROWSER_BROWSER_MAIN_RUNNER_H_
#define CONTENT_PUBLIC_BROWSER_BROWSER_MAIN_RUNNER_H_

#include <memory>

#include "build/build_config.h"
#include "content/common/content_export.h"
#include "content/public/common/main_function_params.h"

namespace content {

struct MainFunctionParams;

// This class is responsible for browser initialization, running and shutdown.
class CONTENT_EXPORT BrowserMainRunner {
 public:
  virtual ~BrowserMainRunner() {}

  // Create a new BrowserMainRunner object.
  static std::unique_ptr<BrowserMainRunner> Create();

  // Returns true if the BrowserMainRunner has exited the main loop.
  static bool ExitedMainMessageLoop();

  // Initialize all necessary browser state. Returning a non-negative value
  // indicates that initialization failed, and the returned value is used as
  // the exit code for the process.
  virtual int Initialize(content::MainFunctionParams parameters) = 0;

#if BUILDFLAG(IS_ANDROID)
  // Run all queued startup tasks. Only defined on Android because other
  // platforms run startup tasks immediately.
  virtual void SynchronouslyFlushStartupTasks() = 0;
#endif  // BUILDFLAG(IS_ANDROID)

  // Perform the default run logic.
  virtual int Run() = 0;

  // Shut down the browser state.
  virtual void Shutdown() = 0;
};

}  // namespace content

#endif  // CONTENT_PUBLIC_BROWSER_BROWSER_MAIN_RUNNER_H_