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      1 // Copyright (c) 2010 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_GEOLOCATION_GEOLOCATION_SETTINGS_STATE_H_
      6 #define CHROME_BROWSER_GEOLOCATION_GEOLOCATION_SETTINGS_STATE_H_
      7 #pragma once
      8 
      9 #include <map>
     10 #include <set>
     11 
     12 #include "chrome/common/content_settings.h"
     13 #include "content/browser/tab_contents/navigation_controller.h"
     14 
     15 class GeolocationContentSettingsMap;
     16 
     17 // This class manages the geolocation state per tab, and provides information
     18 // and presentation data about the geolocation usage.
     19 class GeolocationSettingsState {
     20  public:
     21   explicit GeolocationSettingsState(Profile* profile);
     22   virtual ~GeolocationSettingsState();
     23 
     24   typedef std::map<GURL, ContentSetting> StateMap;
     25   const StateMap& state_map() const {
     26     return state_map_;
     27   }
     28 
     29   // Sets the state for |requesting_origin|.
     30   void OnGeolocationPermissionSet(const GURL& requesting_origin, bool allowed);
     31 
     32   // Delegated by TabContents to indicate a navigation has happened and we
     33   // may need to clear our settings.
     34   void DidNavigate(const NavigationController::LoadCommittedDetails& details);
     35 
     36   void ClearStateMap();
     37 
     38   enum TabState {
     39     TABSTATE_NONE = 0,
     40     // There's at least one entry with non-default setting.
     41     TABSTATE_HAS_EXCEPTION = 1 << 1,
     42     // There's at least one entry with a non-ASK setting.
     43     TABSTATE_HAS_ANY_ICON = 1 << 2,
     44     // There's at least one entry with ALLOWED setting.
     45     TABSTATE_HAS_ANY_ALLOWED = 1 << 3,
     46     // There's at least one entry that doesn't match the saved setting.
     47     TABSTATE_HAS_CHANGED = 1 << 4,
     48   };
     49 
     50   // Maps ContentSetting to a set of hosts formatted for presentation.
     51   typedef std::map<ContentSetting, std::set<std::string> >
     52       FormattedHostsPerState;
     53 
     54   // Returns an (optional) |formatted_hosts_per_state| and a mask of TabState.
     55   void GetDetailedInfo(FormattedHostsPerState* formatted_hosts_per_state,
     56                        unsigned int* tab_state_flags) const;
     57 
     58  private:
     59   std::string GURLToFormattedHost(const GURL& url) const;
     60 
     61   Profile* profile_;
     62   StateMap state_map_;
     63   GURL embedder_url_;
     64 
     65   DISALLOW_COPY_AND_ASSIGN(GeolocationSettingsState);
     66 };
     67 
     68 #endif  // CHROME_BROWSER_GEOLOCATION_GEOLOCATION_SETTINGS_STATE_H_
     69