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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 CONTENT_PUBLIC_TEST_TEST_NAVIGATION_OBSERVER_H_
#define CONTENT_PUBLIC_TEST_TEST_NAVIGATION_OBSERVER_H_
#include "base/callback.h"
#include "base/compiler_specific.h"
#include "base/memory/scoped_ptr.h"
#include "content/public/browser/notification_observer.h"
#include "content/public/browser/notification_registrar.h"
#include "content/public/browser/web_contents.h"
namespace content {
struct LoadCommittedDetails;
// For browser_tests, which run on the UI thread, run a second
// MessageLoop and quit when the navigation completes loading.
class TestNavigationObserver : public NotificationObserver {
public:
// Create and register a new TestNavigationObserver against the
// |web_contents|.
TestNavigationObserver(WebContents* web_contents,
int number_of_navigations);
// Like above but waits for one navigation.
explicit TestNavigationObserver(WebContents* web_contents);
virtual ~TestNavigationObserver();
// Run |wait_loop_callback| until complete, then run |done_callback|.
void WaitForObservation(const base::Closure& wait_loop_callback,
const base::Closure& done_callback);
// Convenient version of the above that runs a nested message loop and waits.
void Wait();
// Start/stop watching newly created WebContents.
void StartWatchingNewWebContents();
void StopWatchingNewWebContents();
protected:
// Register this TestNavigationObserver as an observer of the |web_contents|.
void RegisterAsObserver(WebContents* web_contents);
// NotificationObserver:
virtual void Observe(int type, const NotificationSource& source,
const NotificationDetails& details) OVERRIDE;
private:
class TestWebContentsObserver;
// Callbacks for WebContents-related events.
void OnWebContentsCreated(WebContents* web_contents);
void OnWebContentsDestroyed(TestWebContentsObserver* observer,
WebContents* web_contents);
void OnNavigationEntryCommitted(
TestWebContentsObserver* observer,
WebContents* web_contents,
const LoadCommittedDetails& load_details);
NotificationRegistrar registrar_;
// If true the navigation has started.
bool navigation_started_;
// The number of navigations that have been completed.
int navigations_completed_;
// The number of navigations to wait for.
int number_of_navigations_;
// |done_| will get set when this object observes a TabStripModel event.
bool done_;
// |running_| will be true during WaitForObservation until |done_| is true.
bool running_;
// |done_callback_| will be set while |running_| is true and will be called
// when navigation completes.
base::Closure done_callback_;
// Callback invoked on WebContents creation.
WebContents::CreatedCallback web_contents_created_callback_;
// Living TestWebContentsObservers created by this observer.
std::set<TestWebContentsObserver*> web_contents_observers_;
DISALLOW_COPY_AND_ASSIGN(TestNavigationObserver);
};
} // namespace content
#endif // CONTENT_PUBLIC_TEST_TEST_NAVIGATION_OBSERVER_H_
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