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 "components/content_settings/core/common/content_settings.h"
  12 #include "components/content_settings/core/common/content_settings_types.h"
  13 #include "url/gurl.h"
  14
  15 class HostContentSettingsMap;
  16 class PrefService;
  17
  18 namespace content {
  19 struct LoadCommittedDetails;
  20 }
  21
  22 // This class manages a content setting state per tab for a given
  23 // |ContentSettingsType|, and provides information and presentation data about
  24 // the content setting usage.
  25 class ContentSettingsUsagesState {
  26  public:
  27   ContentSettingsUsagesState(
  28       HostContentSettingsMap* host_content_settings_map,
  29       PrefService* pref_service,
  30       ContentSettingsType type);
  31   virtual ~ContentSettingsUsagesState();
  32
  33   typedef std::map<GURL, ContentSetting> StateMap;
  34   const StateMap& state_map() const {
  35     return state_map_;
  36   }
  37
  38   // Sets the state for |requesting_origin|.
  39   void OnPermissionSet(const GURL& requesting_origin, bool allowed);
  40
  41   // Delegated by WebContents to indicate a navigation has happened and we
  42   // may need to clear our settings.
  43   void DidNavigate(const content::LoadCommittedDetails& details);
  44
  45   void ClearStateMap();
  46
  47   enum TabState {
  48     TABSTATE_NONE = 0,
  49     // There's at least one entry with non-default setting.
  50     TABSTATE_HAS_EXCEPTION = 1 << 1,
  51     // There's at least one entry with a non-ASK setting.
  52     TABSTATE_HAS_ANY_ICON = 1 << 2,
  53     // There's at least one entry with ALLOWED setting.
  54     TABSTATE_HAS_ANY_ALLOWED = 1 << 3,
  55     // There's at least one entry that doesn't match the saved setting.
  56     TABSTATE_HAS_CHANGED = 1 << 4,
  57   };
  58
  59   // Maps ContentSetting to a set of hosts formatted for presentation.
  60   typedef std::map<ContentSetting, std::set<std::string> >
  61       FormattedHostsPerState;
  62
  63   // Returns an (optional) |formatted_hosts_per_state| and a mask of TabState.
  64   void GetDetailedInfo(FormattedHostsPerState* formatted_hosts_per_state,
  65                        unsigned int* tab_state_flags) const;
  66
  67  private:
  68   std::string GURLToFormattedHost(const GURL& url) const;
  69
  70   HostContentSettingsMap* const host_content_settings_map_;
  71   PrefService* const pref_service_;
  72   ContentSettingsType type_;
  73   StateMap state_map_;
  74   GURL embedder_url_;
  75
  76   DISALLOW_COPY_AND_ASSIGN(ContentSettingsUsagesState);
  77 };
  78
  79 #endif  // CHROME_BROWSER_CONTENT_SETTINGS_CONTENT_SETTINGS_USAGES_STATE_H_