chrome/browser/google/google_url_tracker_navigation_helper.h

   1 // Copyright (c) 2012 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_BROWSER_GOOGLE_GOOGLE_URL_TRACKER_NAVIGATION_HELPER_H_
   6 #define CHROME_BROWSER_GOOGLE_GOOGLE_URL_TRACKER_NAVIGATION_HELPER_H_
   7
   8 class GoogleURLTracker;
   9 class InfoBarService;
  10 class Profile;
  11
  12 namespace content {
  13 class NavigationController;
  14 }
  15
  16 // A helper class for GoogleURLTracker that abstracts the details of listening
  17 // for various navigation events.
  18 class GoogleURLTrackerNavigationHelper {
  19  public:
  20   virtual ~GoogleURLTrackerNavigationHelper() {}
  21
  22   // Sets the GoogleURLTracker that is associated with this object.
  23   virtual void SetGoogleURLTracker(GoogleURLTracker* tracker) = 0;
  24
  25   // Enables or disables listening for navigation commits for the given
  26   // NavigationController. OnNavigationCommitted will be called for each
  27   // navigation commit if listening is enabled.
  28   virtual void SetListeningForNavigationCommit(
  29       const content::NavigationController* nav_controller,
  30       bool listen) = 0;
  31
  32   // Returns whether or not the observer is currently listening for navigation
  33   // commits for the given NavigationController.
  34   virtual bool IsListeningForNavigationCommit(
  35       const content::NavigationController* nav_controller) = 0;
  36
  37   // Enables or disables listening for tab destruction for the given
  38   // NavigationController. OnTabClosed will be called on tab destruction if
  39   // listening is enabled.
  40   virtual void SetListeningForTabDestruction(
  41       const content::NavigationController* nav_controller,
  42       bool listen) = 0;
  43
  44   // Returns whether or not the observer is currently listening for tab
  45   // destruction for the given NavigationController.
  46   virtual bool IsListeningForTabDestruction(
  47       const content::NavigationController* nav_controller) = 0;
  48 };
  49
  50 #endif  // CHROME_BROWSER_GOOGLE_GOOGLE_URL_TRACKER_NAVIGATION_HELPER_H_