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 <set>
   9 #include <vector>
  10
  11 #include "base/memory/scoped_vector.h"
  12 #include "base/values.h"
  13 #include "chrome/browser/supervised_user/supervised_user_url_filter.h"
  14 #include "chrome/browser/supervised_user/supervised_users.h"
  15 #include "content/public/browser/web_contents_observer.h"
  16 #include "content/public/browser/web_contents_user_data.h"
  17
  18 class SupervisedUserService;
  19 class SupervisedUserURLFilter;
  20
  21 namespace content {
  22 class NavigationEntry;
  23 }
  24
  25 namespace infobars {
  26 class InfoBar;
  27 }
  28
  29 class SupervisedUserNavigationObserver
  30     : public content::WebContentsObserver,
  31       public content::WebContentsUserData<SupervisedUserNavigationObserver> {
  32  public:
  33   ~SupervisedUserNavigationObserver() override;
  34
  35   // Sets the specific infobar as dismissed.
  36   void WarnInfoBarDismissed();
  37
  38   const std::vector<const content::NavigationEntry*>*
  39       blocked_navigations() const {
  40     return &blocked_navigations_.get();
  41   }
  42
  43   // Called when a network request to |url| is blocked.
  44   static void OnRequestBlocked(
  45       int render_process_host_id,
  46       int render_view_id,
  47       const GURL& url,
  48       SupervisedUserURLFilter::FilteringBehaviorReason reason,
  49       const base::Callback<void(bool)>& callback);
  50
  51  private:
  52   friend class content::WebContentsUserData<SupervisedUserNavigationObserver>;
  53
  54   explicit SupervisedUserNavigationObserver(content::WebContents* web_contents);
  55
  56   // content::WebContentsObserver implementation.
  57   void DidCommitProvisionalLoadForFrame(
  58       content::RenderFrameHost* render_frame_host,
  59       const GURL& url,
  60       ui::PageTransition transition_type) override;
  61
  62   void OnRequestBlockedInternal(const GURL& url);
  63
  64   // Owned by the profile, so outlives us.
  65   SupervisedUserService* supervised_user_service_;
  66
  67   // Owned by SupervisedUserService.
  68   const SupervisedUserURLFilter* url_filter_;
  69
  70   // Owned by the InfoBarService, which has the same lifetime as this object.
  71   infobars::InfoBar* warn_infobar_;
  72
  73   ScopedVector<const content::NavigationEntry> blocked_navigations_;
  74
  75   DISALLOW_COPY_AND_ASSIGN(SupervisedUserNavigationObserver);
  76 };
  77
  78 #endif  // CHROME_BROWSER_SUPERVISED_USER_SUPERVISED_USER_NAVIGATION_OBSERVER_H_