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// Copyright 2015 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#ifndef CHROME_BROWSER_AFTER_STARTUP_TASK_UTILS_H_
#define CHROME_BROWSER_AFTER_STARTUP_TASK_UTILS_H_
#include "base/functional/bind.h"
#include "base/functional/callback.h"
#include "base/location.h"
#include "base/memory/scoped_refptr.h"
namespace android {
class AfterStartupTaskUtilsJNI;
}
namespace base {
class SequencedTaskRunner;
}
class AfterStartupTaskUtils {
public:
AfterStartupTaskUtils() = delete;
AfterStartupTaskUtils(const AfterStartupTaskUtils&) = delete;
AfterStartupTaskUtils& operator=(const AfterStartupTaskUtils&) = delete;
// Observes startup and when complete runs tasks that have accrued.
static void StartMonitoringStartup();
// Queues `task` to run on `destination_runner` after startup is complete.
// Note: prefer to simply post a task with BEST_EFFORT priority. This will
// delay the task until higher priority tasks are finished, which includes
// critical startup tasks. The BrowserThread::PostBestEffortTask() helper can
// post a BEST_EFFORT task to an arbitrary task runner.
static void PostTask(
const base::Location& from_here,
const scoped_refptr<base::SequencedTaskRunner>& destination_runner,
base::OnceClosure task);
// Returns true if browser startup is complete. Only use this on a one-off
// basis; If you need to poll this function constantly, use the above
// PostTask() API instead.
static bool IsBrowserStartupComplete();
// For use by unit tests where we don't have normal content loading
// infrastructure and thus StartMonitoringStartup() is unsuitable.
static void SetBrowserStartupIsCompleteForTesting();
static void UnsafeResetForTesting();
private:
// TODO(wkorman): Look into why Android calls
// SetBrowserStartupIsComplete() directly. Ideally it would use
// StartMonitoringStartup() as the normal approach.
friend class android::AfterStartupTaskUtilsJNI;
static void SetBrowserStartupIsComplete();
};
#endif // CHROME_BROWSER_AFTER_STARTUP_TASK_UTILS_H_
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