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// Copyright (c) 2012 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.
#ifndef CHROME_BROWSER_UI_PANELS_TEST_PANEL_NOTIFICATION_OBSERVER_H_
#define CHROME_BROWSER_UI_PANELS_TEST_PANEL_NOTIFICATION_OBSERVER_H_
#include "base/memory/ref_counted.h"
#include "content/public/browser/notification_observer.h"
#include "content/public/browser/notification_registrar.h"
namespace content {
class MessageLoopRunner;
class NotificationSource;
}
// Common base class for a custom notification observer that waits
// on a notification until an expected state is achieved.
// Modeled after ui_test_utils notification observers, but can handle
// more than one occurrence of the notification.
class TestPanelNotificationObserver : public content::NotificationObserver {
public:
TestPanelNotificationObserver(int notification,
const content::NotificationSource& source);
~TestPanelNotificationObserver() override;
// Wait until the expected state is achieved.
void Wait();
// content::NotificationObserver:
void Observe(int type,
const content::NotificationSource& source,
const content::NotificationDetails& details) override;
protected:
virtual bool AtExpectedState() = 0;
bool seen_; // true after transition to expected state has been seen
bool running_; // indicates whether message loop is running
content::NotificationRegistrar registrar_;
scoped_refptr<content::MessageLoopRunner> message_loop_runner_;
DISALLOW_COPY_AND_ASSIGN(TestPanelNotificationObserver);
};
#endif // CHROME_BROWSER_UI_PANELS_TEST_PANEL_NOTIFICATION_OBSERVER_H_
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