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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_AUTOMATION_AUTOMATION_EVENT_OBSERVER_H_
#define CHROME_BROWSER_AUTOMATION_AUTOMATION_EVENT_OBSERVER_H_
#include "base/memory/scoped_ptr.h"
#include "base/values.h"
#include "chrome/browser/automation/automation_provider_observers.h"
#include "chrome/browser/automation/automation_event_queue.h"
#include "content/public/browser/notification_observer.h"
#include "content/public/browser/notification_registrar.h"
// AutomationEventObserver watches for a specific event, and pushes an
// AutomationEvent into the AutomationEventQueue for each occurance.
class AutomationEventObserver {
public:
explicit AutomationEventObserver(AutomationEventQueue* event_queue,
bool recurring);
virtual ~AutomationEventObserver();
void Init(int observer_id);
void NotifyEvent(DictionaryValue* value);
int GetId() const;
protected:
void RemoveIfDone(); // This may delete the object.
private:
AutomationEventQueue* event_queue_;
bool recurring_;
int observer_id_;
// TODO(craigdh): Add a PyAuto hook to retrieve the number of times an event
// has occurred.
int event_count_;
DISALLOW_COPY_AND_ASSIGN(AutomationEventObserver);
};
// AutomationEventObserver implementation that listens for explicitly raised
// events. A webpage explicitly raises events by calling:
// window.domAutomationController.raiseEvent("EVENT_NAME");
class DomRaisedEventObserver
: public AutomationEventObserver, public content::NotificationObserver {
public:
DomRaisedEventObserver(AutomationEventQueue* event_queue,
const std::string& event_name,
int automation_id,
bool recurring);
virtual ~DomRaisedEventObserver();
virtual void Observe(int type,
const content::NotificationSource& source,
const content::NotificationDetails& details) OVERRIDE;
private:
std::string event_name_;
int automation_id_;
content::NotificationRegistrar registrar_;
DISALLOW_COPY_AND_ASSIGN(DomRaisedEventObserver);
};
#endif // CHROME_BROWSER_AUTOMATION_AUTOMATION_EVENT_OBSERVER_H_
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