src/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_users.h"
  14 #include "content/public/browser/web_contents_observer.h"
  15 #include "content/public/browser/web_contents_user_data.h"
  16
  17 class SupervisedUserService;
  18 class SupervisedUserURLFilter;
  19
  20 namespace content {
  21 class NavigationEntry;
  22 }
  23
  24 namespace infobars {
  25 class InfoBar;
  26 }
  27
  28 class SupervisedUserNavigationObserver
  29     : public content::WebContentsObserver,
  30       public content::WebContentsUserData<SupervisedUserNavigationObserver> {
  31  public:
  32   virtual ~SupervisedUserNavigationObserver();
  33
  34   // Sets the specific infobar as dismissed.
  35   void WarnInfoBarDismissed();
  36
  37   const std::vector<const content::NavigationEntry*>*
  38       blocked_navigations() const {
  39     return &blocked_navigations_.get();
  40   }
  41
  42   // Called when a network request to |url| is blocked.
  43   static void OnRequestBlocked(int render_process_host_id,
  44                                int render_view_id,
  45                                const GURL& url,
  46                                const base::Callback<void(bool)>& callback);
  47
  48  private:
  49   friend class content::WebContentsUserData<SupervisedUserNavigationObserver>;
  50
  51   explicit SupervisedUserNavigationObserver(content::WebContents* web_contents);
  52
  53   // content::WebContentsObserver implementation.
  54   virtual void ProvisionalChangeToMainFrameUrl(
  55       const GURL& url,
  56       content::RenderFrameHost* render_frame_host) OVERRIDE;
  57   virtual void DidCommitProvisionalLoadForFrame(
  58       int64 frame_id,
  59       const base::string16& frame_unique_name,
  60       bool is_main_frame,
  61       const GURL& url,
  62       content::PageTransition transition_type,
  63       content::RenderViewHost* render_view_host) OVERRIDE;
  64
  65   void OnRequestBlockedInternal(const GURL& url);
  66
  67   // Owned by the profile, so outlives us.
  68   SupervisedUserService* supervised_user_service_;
  69
  70   // Owned by SupervisedUserService.
  71   const SupervisedUserURLFilter* url_filter_;
  72
  73   // Owned by the InfoBarService, which has the same lifetime as this object.
  74   infobars::InfoBar* warn_infobar_;
  75
  76   ScopedVector<const content::NavigationEntry> blocked_navigations_;
  77
  78   DISALLOW_COPY_AND_ASSIGN(SupervisedUserNavigationObserver);
  79 };
  80
  81 #endif  // CHROME_BROWSER_SUPERVISED_USER_SUPERVISED_USER_NAVIGATION_OBSERVER_H_