blob: a41e5dfed2aec4a56ef72a668569c343df80ce7f [file] [log] [blame]
// Copyright (c) 2011 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.
#pragma once
#include "base/compiler_specific.h"
#include "chrome/browser/tabs/tab_strip_model_observer.h"
#include "content/common/notification_observer.h"
#include "content/common/notification_registrar.h"
class TabStripModel;
// In order to support testing of print preview, we need to wait for the tab to
// be inserted, and then observe notifications on the newly added tab's
// controller to wait for it to be loaded. To support tests registering
// javascript WebUI handlers, we need to inject the framework & registration
// javascript before the webui page loads by calling back through the
// TestTabStripModelObserver::LoadStartObserver when the new page starts
// loading.
class TestTabStripModelObserver : public TabStripModelObserver,
public NotificationObserver {
class LoadStartObserver {
virtual ~LoadStartObserver();
// Called to indicate page load starting.
virtual void OnLoadStart() = 0;
// Observe the |tab_strip_model|, which may not be NULL. If
// |load_start_observer| is non-NULL, notify when the page load starts.
TestTabStripModelObserver(TabStripModel* tab_strip_model,
LoadStartObserver* load_start_observer);
virtual ~TestTabStripModelObserver();
// Run the UI message loop until |done_| becomes true.
void WaitForObservation();
// TabStripModelObserver:
virtual void TabInsertedAt(TabContentsWrapper* contents, int index,
bool foreground) OVERRIDE;
// NotificationObserver:
virtual void Observe(NotificationType type, const NotificationSource& source,
const NotificationDetails& details) OVERRIDE;
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_;
// |tab_strip_model_| is the object this observes. The constructor will
// register this as an observer, and the destructor will remove the observer.
TabStripModel* tab_strip_model_;
// Observer to take some action when the page load starts.
LoadStartObserver* load_start_observer_;
// |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_;