13f50c38dc070f4bb515c1b64450dae14f316474eKristian Monsen// Copyright (c) 2011 The Chromium Authors. All rights reserved. 2c407dc5cd9bdc5668497f21b26b09d988ab439deBen Murdoch// Use of this source code is governed by a BSD-style license that can be 3c407dc5cd9bdc5668497f21b26b09d988ab439deBen Murdoch// found in the LICENSE file. 4c407dc5cd9bdc5668497f21b26b09d988ab439deBen Murdoch 5c407dc5cd9bdc5668497f21b26b09d988ab439deBen Murdoch#ifndef CHROME_BROWSER_ALTERNATE_NAV_URL_FETCHER_H_ 6c407dc5cd9bdc5668497f21b26b09d988ab439deBen Murdoch#define CHROME_BROWSER_ALTERNATE_NAV_URL_FETCHER_H_ 73345a6884c488ff3a535c2c9acdd33d74b37e311Iain Merrick#pragma once 8c407dc5cd9bdc5668497f21b26b09d988ab439deBen Murdoch 9c407dc5cd9bdc5668497f21b26b09d988ab439deBen Murdoch#include <string> 10c407dc5cd9bdc5668497f21b26b09d988ab439deBen Murdoch 11dc0f95d653279beabeb9817299e2902918ba123eKristian Monsen#include "chrome/browser/tab_contents/link_infobar_delegate.h" 12c407dc5cd9bdc5668497f21b26b09d988ab439deBen Murdoch#include "chrome/common/net/url_fetcher.h" 13ddb351dbec246cf1fab5ec20d2d5520909041de1Kristian Monsen#include "content/common/notification_observer.h" 14ddb351dbec246cf1fab5ec20d2d5520909041de1Kristian Monsen#include "content/common/notification_registrar.h" 15c407dc5cd9bdc5668497f21b26b09d988ab439deBen Murdoch 16c407dc5cd9bdc5668497f21b26b09d988ab439deBen Murdochclass NavigationController; 17c407dc5cd9bdc5668497f21b26b09d988ab439deBen Murdoch 18c407dc5cd9bdc5668497f21b26b09d988ab439deBen Murdoch// Attempts to get the HEAD of a host name and displays an info bar if the 19c407dc5cd9bdc5668497f21b26b09d988ab439deBen Murdoch// request was successful. This is used for single-word queries where we can't 20c407dc5cd9bdc5668497f21b26b09d988ab439deBen Murdoch// tell if the entry was a search or an intranet hostname. The autocomplete bar 21c407dc5cd9bdc5668497f21b26b09d988ab439deBen Murdoch// assumes it's a query and issues an AlternateNavURLFetcher to display a "did 22c407dc5cd9bdc5668497f21b26b09d988ab439deBen Murdoch// you mean" infobar suggesting a navigation. 23c407dc5cd9bdc5668497f21b26b09d988ab439deBen Murdoch// 24c407dc5cd9bdc5668497f21b26b09d988ab439deBen Murdoch// The memory management of this object is a bit tricky. The location bar view 25c407dc5cd9bdc5668497f21b26b09d988ab439deBen Murdoch// will create us and be responsible for us until we attach as an observer 26c407dc5cd9bdc5668497f21b26b09d988ab439deBen Murdoch// after a pending load starts (it will delete us if this doesn't happen). 27c407dc5cd9bdc5668497f21b26b09d988ab439deBen Murdoch// Once this pending load starts, we're responsible for deleting ourselves. 28c407dc5cd9bdc5668497f21b26b09d988ab439deBen Murdoch// We'll do this when the load commits, or when the navigation controller 29c407dc5cd9bdc5668497f21b26b09d988ab439deBen Murdoch// itself is deleted. 30c407dc5cd9bdc5668497f21b26b09d988ab439deBen Murdochclass AlternateNavURLFetcher : public NotificationObserver, 31c407dc5cd9bdc5668497f21b26b09d988ab439deBen Murdoch public URLFetcher::Delegate, 32c407dc5cd9bdc5668497f21b26b09d988ab439deBen Murdoch public LinkInfoBarDelegate { 33c407dc5cd9bdc5668497f21b26b09d988ab439deBen Murdoch public: 34c407dc5cd9bdc5668497f21b26b09d988ab439deBen Murdoch enum State { 35c407dc5cd9bdc5668497f21b26b09d988ab439deBen Murdoch NOT_STARTED, 36c407dc5cd9bdc5668497f21b26b09d988ab439deBen Murdoch IN_PROGRESS, 37c407dc5cd9bdc5668497f21b26b09d988ab439deBen Murdoch SUCCEEDED, 38c407dc5cd9bdc5668497f21b26b09d988ab439deBen Murdoch FAILED, 39c407dc5cd9bdc5668497f21b26b09d988ab439deBen Murdoch }; 40c407dc5cd9bdc5668497f21b26b09d988ab439deBen Murdoch 41c407dc5cd9bdc5668497f21b26b09d988ab439deBen Murdoch explicit AlternateNavURLFetcher(const GURL& alternate_nav_url); 42731df977c0511bca2206b5f333555b1205ff1f43Iain Merrick virtual ~AlternateNavURLFetcher(); 43c407dc5cd9bdc5668497f21b26b09d988ab439deBen Murdoch 44c407dc5cd9bdc5668497f21b26b09d988ab439deBen Murdoch State state() const { return state_; } 45c407dc5cd9bdc5668497f21b26b09d988ab439deBen Murdoch 4672a454cd3513ac24fbdd0e0cb9ad70b86a99b801Kristian Monsen private: 47c407dc5cd9bdc5668497f21b26b09d988ab439deBen Murdoch // NotificationObserver 48c407dc5cd9bdc5668497f21b26b09d988ab439deBen Murdoch virtual void Observe(NotificationType type, 49c407dc5cd9bdc5668497f21b26b09d988ab439deBen Murdoch const NotificationSource& source, 50c407dc5cd9bdc5668497f21b26b09d988ab439deBen Murdoch const NotificationDetails& details); 51c407dc5cd9bdc5668497f21b26b09d988ab439deBen Murdoch 52c407dc5cd9bdc5668497f21b26b09d988ab439deBen Murdoch // URLFetcher::Delegate 53c407dc5cd9bdc5668497f21b26b09d988ab439deBen Murdoch virtual void OnURLFetchComplete(const URLFetcher* source, 54c407dc5cd9bdc5668497f21b26b09d988ab439deBen Murdoch const GURL& url, 553f50c38dc070f4bb515c1b64450dae14f316474eKristian Monsen const net::URLRequestStatus& status, 56c407dc5cd9bdc5668497f21b26b09d988ab439deBen Murdoch int response_code, 57c407dc5cd9bdc5668497f21b26b09d988ab439deBen Murdoch const ResponseCookies& cookies, 58c407dc5cd9bdc5668497f21b26b09d988ab439deBen Murdoch const std::string& data); 59c407dc5cd9bdc5668497f21b26b09d988ab439deBen Murdoch 60c407dc5cd9bdc5668497f21b26b09d988ab439deBen Murdoch // LinkInfoBarDelegate 6172a454cd3513ac24fbdd0e0cb9ad70b86a99b801Kristian Monsen virtual SkBitmap* GetIcon() const; 6272a454cd3513ac24fbdd0e0cb9ad70b86a99b801Kristian Monsen virtual Type GetInfoBarType() const; 633345a6884c488ff3a535c2c9acdd33d74b37e311Iain Merrick virtual string16 GetMessageTextWithOffset(size_t* link_offset) const; 643345a6884c488ff3a535c2c9acdd33d74b37e311Iain Merrick virtual string16 GetLinkText() const; 65c407dc5cd9bdc5668497f21b26b09d988ab439deBen Murdoch virtual bool LinkClicked(WindowOpenDisposition disposition); 66c407dc5cd9bdc5668497f21b26b09d988ab439deBen Murdoch virtual void InfoBarClosed(); 67c407dc5cd9bdc5668497f21b26b09d988ab439deBen Murdoch 68c407dc5cd9bdc5668497f21b26b09d988ab439deBen Murdoch // Sets |state_| to either SUCCEEDED or FAILED depending on the result of the 69c407dc5cd9bdc5668497f21b26b09d988ab439deBen Murdoch // fetch. 70c407dc5cd9bdc5668497f21b26b09d988ab439deBen Murdoch void SetStatusFromURLFetch(const GURL& url, 713f50c38dc070f4bb515c1b64450dae14f316474eKristian Monsen const net::URLRequestStatus& status, 72c407dc5cd9bdc5668497f21b26b09d988ab439deBen Murdoch int response_code); 73c407dc5cd9bdc5668497f21b26b09d988ab439deBen Murdoch 74c407dc5cd9bdc5668497f21b26b09d988ab439deBen Murdoch // Displays the infobar if all conditions are met (the page has loaded and 75c407dc5cd9bdc5668497f21b26b09d988ab439deBen Murdoch // the fetch of the alternate URL succeeded). 76c407dc5cd9bdc5668497f21b26b09d988ab439deBen Murdoch void ShowInfobarIfPossible(); 77c407dc5cd9bdc5668497f21b26b09d988ab439deBen Murdoch 78c407dc5cd9bdc5668497f21b26b09d988ab439deBen Murdoch GURL alternate_nav_url_; 79c407dc5cd9bdc5668497f21b26b09d988ab439deBen Murdoch scoped_ptr<URLFetcher> fetcher_; 80c407dc5cd9bdc5668497f21b26b09d988ab439deBen Murdoch NavigationController* controller_; 81c407dc5cd9bdc5668497f21b26b09d988ab439deBen Murdoch State state_; 82c407dc5cd9bdc5668497f21b26b09d988ab439deBen Murdoch bool navigated_to_entry_; 83c407dc5cd9bdc5668497f21b26b09d988ab439deBen Murdoch 84c407dc5cd9bdc5668497f21b26b09d988ab439deBen Murdoch // The TabContents the InfoBarDelegate was added to. 85c407dc5cd9bdc5668497f21b26b09d988ab439deBen Murdoch TabContents* infobar_contents_; 86c407dc5cd9bdc5668497f21b26b09d988ab439deBen Murdoch 87c407dc5cd9bdc5668497f21b26b09d988ab439deBen Murdoch NotificationRegistrar registrar_; 88c407dc5cd9bdc5668497f21b26b09d988ab439deBen Murdoch 89c407dc5cd9bdc5668497f21b26b09d988ab439deBen Murdoch DISALLOW_COPY_AND_ASSIGN(AlternateNavURLFetcher); 90c407dc5cd9bdc5668497f21b26b09d988ab439deBen Murdoch}; 91c407dc5cd9bdc5668497f21b26b09d988ab439deBen Murdoch 92c407dc5cd9bdc5668497f21b26b09d988ab439deBen Murdoch#endif // CHROME_BROWSER_ALTERNATE_NAV_URL_FETCHER_H_ 93