1// Copyright 2013 The Chromium Authors. All rights reserved.
2// Use of this source code is governed by a BSD-style license that can be
3// found in the LICENSE file.
4
5#ifndef CHROME_RENDERER_SEARCHBOX_SEARCH_BOUNCER_H_
6#define CHROME_RENDERER_SEARCHBOX_SEARCH_BOUNCER_H_
7
8#include <vector>
9
10#include "base/basictypes.h"
11#include "base/gtest_prod_util.h"
12#include "content/public/renderer/render_process_observer.h"
13#include "url/gurl.h"
14
15namespace IPC {
16class Message;
17}
18
19// SearchBouncer tracks a set of URLs which should be transferred back to the
20// browser process for potential reassignment to an Instant renderer process.
21class SearchBouncer : public content::RenderProcessObserver {
22 public:
23  SearchBouncer();
24  virtual ~SearchBouncer();
25
26  // Returns whether a navigation to |url| should bounce back to the browser as
27  // a potential Instant url. See chrome::ShouldAssignURLToInstantRenderer().
28  bool ShouldFork(const GURL& url) const;
29
30  // Returns whether |url| is a valid Instant new tab page URL.
31  bool IsNewTabPage(const GURL& url) const;
32
33  // Exposed for testing.
34  void OnSetSearchURLs(std::vector<GURL> search_urls, GURL new_tab_page_url);
35
36 private:
37  FRIEND_TEST_ALL_PREFIXES(SearchBouncerTest, SetSearchURLs);
38
39  // From RenderProcessObserver:
40  virtual bool OnControlMessageReceived(const IPC::Message& message) OVERRIDE;
41
42  // URLs to bounce back to the browser.
43  std::vector<GURL> search_urls_;
44  GURL new_tab_page_url_;
45
46  DISALLOW_COPY_AND_ASSIGN(SearchBouncer);
47};
48
49#endif  // CHROME_RENDERER_SEARCHBOX_SEARCH_BOUNCER_H_
50