chrome/browser/after_startup_task_utils.h

   1 // Copyright 2015 The Chromium Authors. All rights reserved.
   2 // Use of this source code is governed by a BSD-style license that can be
   3 // found in the LICENSE file.
   4
   5 #ifndef CHROME_BROWSER_AFTER_STARTUP_TASK_UTILS_H_
   6 #define CHROME_BROWSER_AFTER_STARTUP_TASK_UTILS_H_
   7
   8 #include "base/basictypes.h"
   9 #include "base/bind.h"
  10 #include "base/gtest_prod_util.h"
  11 #include "base/memory/ref_counted.h"
  12
  13 namespace base {
  14 class TaskRunner;
  15 }
  16 namespace tracked_objects {
  17 class Location;
  18 };
  19
  20 class AfterStartupTaskUtils {
  21  public:
  22   // Observes startup and when complete runs tasks that have accrued.
  23   static void StartMonitoringStartup();
  24
  25   // Used to augment the behavior of BrowserThread::PostAfterStartupTask
  26   // for chrome. Tasks are queued until startup is complete.
  27   // Note: see browser_thread.h
  28   static void PostTask(const tracked_objects::Location& from_here,
  29                        const scoped_refptr<base::TaskRunner>& task_runner,
  30                        const base::Closure& task);
  31
  32   // Returns true if browser startup is complete. Only use this on a one-off
  33   // basis; If you need to poll this function constantly, use the above
  34   // PostTask() API instead.
  35   static bool IsBrowserStartupComplete();
  36
  37  private:
  38   friend class AfterStartupTaskTest;
  39   FRIEND_TEST_ALL_PREFIXES(AfterStartupTaskTest, IsStartupComplete);
  40   FRIEND_TEST_ALL_PREFIXES(AfterStartupTaskTest, PostTask);
  41
  42   static void SetBrowserStartupIsComplete();
  43   static void UnsafeResetForTesting();
  44
  45   DISALLOW_IMPLICIT_CONSTRUCTORS(AfterStartupTaskUtils);
  46 };
  47
  48 #endif  // CHROME_BROWSER_AFTER_STARTUP_TASK_UTILS_H_