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// Copyright (c) 2006-2008 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_TAB_TRACKER_H__
#define CHROME_BROWSER_AUTOMATION_AUTOMATION_TAB_TRACKER_H__
#include "chrome/browser/automation/automation_resource_tracker.h"
#include "chrome/browser/browser.h"
#include "chrome/browser/browser_process.h"
#include "chrome/browser/navigation_controller.h"
class AutomationTabTracker
: public AutomationResourceTracker<NavigationController*> {
public:
AutomationTabTracker(IPC::Message::Sender* automation)
: AutomationResourceTracker(automation) {}
virtual ~AutomationTabTracker() {
ClearAllMappings();
}
virtual void AddObserver(NavigationController* resource) {
// This tab could either be a regular tab or an external tab
// Register for both notifications
NotificationService::current()->AddObserver(
this, NOTIFY_TAB_CLOSING, Source<NavigationController>(resource));
NotificationService::current()->AddObserver(
this, NOTIFY_EXTERNAL_TAB_CLOSED,
Source<NavigationController>(resource));
// We also want to know about navigations so we can keep track of the last
// navigation time.
NotificationService::current()->AddObserver(
this, NOTIFY_NAV_ENTRY_COMMITTED,
Source<NavigationController>(resource));
}
virtual void RemoveObserver(NavigationController* resource) {
NotificationService::current()->RemoveObserver(
this, NOTIFY_TAB_CLOSING, Source<NavigationController>(resource));
NotificationService::current()->RemoveObserver(
this, NOTIFY_EXTERNAL_TAB_CLOSED,
Source<NavigationController>(resource));
NotificationService::current()->RemoveObserver(
this, NOTIFY_NAV_ENTRY_COMMITTED,
Source<NavigationController>(resource));
}
virtual void Observe(NotificationType type,
const NotificationSource& source,
const NotificationDetails& details) {
switch (type) {
case NOTIFY_NAV_ENTRY_COMMITTED:
last_navigation_times_[Source<NavigationController>(source).ptr()] =
Time::Now();
return;
case NOTIFY_EXTERNAL_TAB_CLOSED:
case NOTIFY_TAB_CLOSING:
std::map<NavigationController*, Time>::iterator iter =
last_navigation_times_.find(
Source<NavigationController>(source).ptr());
if (iter != last_navigation_times_.end())
last_navigation_times_.erase(iter);
break;
}
AutomationResourceTracker::Observe(type, source, details);
}
Time GetLastNavigationTime(int handle) {
if (ContainsHandle(handle)) {
NavigationController* controller = GetResource(handle);
if (controller) {
std::map<NavigationController*, Time>::const_iterator iter =
last_navigation_times_.find(controller);
if (iter != last_navigation_times_.end())
return iter->second;
}
}
return Time();
}
private:
// Last time a navigation occurred.
std::map<NavigationController*, Time> last_navigation_times_;
DISALLOW_COPY_AND_ASSIGN(AutomationTabTracker);
};
#endif // CHROME_BROWSER_AUTOMATION_AUTOMATION_TAB_TRACKER_H__
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