chrome/renderer/searchbox/search_bouncer.h

   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
  15 namespace IPC {
  16 class 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.
  21 class SearchBouncer : public content::RenderProcessObserver {
  22  public:
  23   SearchBouncer();
  24   ~SearchBouncer() override;
  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   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_