chrome/browser/supervised_user/supervised_user_navigation_observer.h

   1 // Copyright 2014 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_SUPERVISED_USER_SUPERVISED_USER_NAVIGATION_OBSERVER_H_
   6 #define CHROME_BROWSER_SUPERVISED_USER_SUPERVISED_USER_NAVIGATION_OBSERVER_H_
   7
   8 #include <vector>
   9
  10 #include "base/memory/scoped_vector.h"
  11 #include "chrome/browser/supervised_user/supervised_user_service_observer.h"
  12 #include "chrome/browser/supervised_user/supervised_user_url_filter.h"
  13 #include "chrome/browser/supervised_user/supervised_users.h"
  14 #include "content/public/browser/web_contents_user_data.h"
  15
  16 class SupervisedUserService;
  17
  18 namespace content {
  19 class NavigationEntry;
  20 class WebContents;
  21 }
  22
  23 class SupervisedUserNavigationObserver
  24     : public content::WebContentsUserData<SupervisedUserNavigationObserver>,
  25       public SupervisedUserServiceObserver {
  26  public:
  27   ~SupervisedUserNavigationObserver() override;
  28
  29   const std::vector<const content::NavigationEntry*>*
  30       blocked_navigations() const {
  31     return &blocked_navigations_.get();
  32   }
  33
  34   // Called when a network request to |url| is blocked.
  35   static void OnRequestBlocked(
  36       int render_process_host_id,
  37       int render_view_id,
  38       const GURL& url,
  39       SupervisedUserURLFilter::FilteringBehaviorReason reason,
  40       const base::Callback<void(bool)>& callback);
  41
  42   // SupervisedUserServiceObserver implementation.
  43   void OnURLFilterChanged() override;
  44
  45   void URLFilterCheckCallback(
  46       const GURL& url,
  47       SupervisedUserURLFilter::FilteringBehavior behavior,
  48       SupervisedUserURLFilter::FilteringBehaviorReason reason,
  49       bool uncertain);
  50
  51  private:
  52   friend class content::WebContentsUserData<SupervisedUserNavigationObserver>;
  53
  54   explicit SupervisedUserNavigationObserver(content::WebContents* web_contents);
  55
  56   void OnRequestBlockedInternal(const GURL& url);
  57
  58   content::WebContents* web_contents_;
  59
  60   // Owned by SupervisedUserService.
  61   const SupervisedUserURLFilter* url_filter_;
  62
  63   // Owned by SupervisedUserServiceFactory (lifetime of Profile).
  64   SupervisedUserService* supervised_user_service_;
  65
  66   ScopedVector<const content::NavigationEntry> blocked_navigations_;
  67
  68   base::WeakPtrFactory<SupervisedUserNavigationObserver> weak_ptr_factory_;
  69
  70   DISALLOW_COPY_AND_ASSIGN(SupervisedUserNavigationObserver);
  71 };
  72
  73 #endif  // CHROME_BROWSER_SUPERVISED_USER_SUPERVISED_USER_NAVIGATION_OBSERVER_H_