chrome/browser/content_settings/content_settings_usages_state.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_BROWSER_CONTENT_SETTINGS_CONTENT_SETTINGS_USAGES_STATE_H_
   6 #define CHROME_BROWSER_CONTENT_SETTINGS_CONTENT_SETTINGS_USAGES_STATE_H_
   7
   8 #include <map>
   9 #include <set>
  10
  11 #include "chrome/common/content_settings.h"
  12 #include "chrome/common/content_settings_types.h"
  13 #include "url/gurl.h"
  14
  15 class Profile;
  16
  17 namespace content {
  18 struct LoadCommittedDetails;
  19 }
  20
  21 // This class manages a content setting state per tab for a given
  22 // |ContentSettingsType|, and provides information and presentation data about
  23 // the content setting usage.
  24 class ContentSettingsUsagesState {
  25  public:
  26   ContentSettingsUsagesState(Profile* profile, ContentSettingsType type);
  27   virtual ~ContentSettingsUsagesState();
  28
  29   typedef std::map<GURL, ContentSetting> StateMap;
  30   const StateMap& state_map() const {
  31     return state_map_;
  32   }
  33
  34   // Sets the state for |requesting_origin|.
  35   void OnPermissionSet(const GURL& requesting_origin, bool allowed);
  36
  37   // Delegated by WebContents to indicate a navigation has happened and we
  38   // may need to clear our settings.
  39   void DidNavigate(const content::LoadCommittedDetails& details);
  40
  41   void ClearStateMap();
  42
  43   enum TabState {
  44     TABSTATE_NONE = 0,
  45     // There's at least one entry with non-default setting.
  46     TABSTATE_HAS_EXCEPTION = 1 << 1,
  47     // There's at least one entry with a non-ASK setting.
  48     TABSTATE_HAS_ANY_ICON = 1 << 2,
  49     // There's at least one entry with ALLOWED setting.
  50     TABSTATE_HAS_ANY_ALLOWED = 1 << 3,
  51     // There's at least one entry that doesn't match the saved setting.
  52     TABSTATE_HAS_CHANGED = 1 << 4,
  53   };
  54
  55   // Maps ContentSetting to a set of hosts formatted for presentation.
  56   typedef std::map<ContentSetting, std::set<std::string> >
  57       FormattedHostsPerState;
  58
  59   // Returns an (optional) |formatted_hosts_per_state| and a mask of TabState.
  60   void GetDetailedInfo(FormattedHostsPerState* formatted_hosts_per_state,
  61                        unsigned int* tab_state_flags) const;
  62
  63  private:
  64   std::string GURLToFormattedHost(const GURL& url) const;
  65
  66   Profile* profile_;
  67   ContentSettingsType type_;
  68   StateMap state_map_;
  69   GURL embedder_url_;
  70
  71   DISALLOW_COPY_AND_ASSIGN(ContentSettingsUsagesState);
  72 };
  73
  74 #endif  // CHROME_BROWSER_CONTENT_SETTINGS_CONTENT_SETTINGS_USAGES_STATE_H_