1 // Copyright (c) 2012 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_PEPPER_FLASH_SETTINGS_MANAGER_H_ 6 #define CHROME_BROWSER_PEPPER_FLASH_SETTINGS_MANAGER_H_ 7 8 #include "base/basictypes.h" 9 #include "base/memory/ref_counted.h" 10 #include "base/memory/weak_ptr.h" 11 #include "ppapi/c/private/ppp_flash_browser_operations.h" 12 #include "ppapi/shared_impl/ppp_flash_browser_operations_shared.h" 13 14 class PluginPrefs; 15 class PrefService; 16 17 namespace content { 18 class BrowserContext; 19 struct WebPluginInfo; 20 } 21 22 namespace user_prefs { 23 class PrefRegistrySyncable; 24 } 25 26 // PepperFlashSettingsManager communicates with a PPAPI broker process to 27 // read/write Pepper Flash settings. 28 class PepperFlashSettingsManager { 29 public: 30 class Client { 31 public: ~Client()32 virtual ~Client() {} 33 OnDeauthorizeContentLicensesCompleted(uint32 request_id,bool success)34 virtual void OnDeauthorizeContentLicensesCompleted(uint32 request_id, 35 bool success) {} OnGetPermissionSettingsCompleted(uint32 request_id,bool success,PP_Flash_BrowserOperations_Permission default_permission,const ppapi::FlashSiteSettings & sites)36 virtual void OnGetPermissionSettingsCompleted( 37 uint32 request_id, 38 bool success, 39 PP_Flash_BrowserOperations_Permission default_permission, 40 const ppapi::FlashSiteSettings& sites) {} 41 OnSetDefaultPermissionCompleted(uint32 request_id,bool success)42 virtual void OnSetDefaultPermissionCompleted(uint32 request_id, 43 bool success) {} 44 OnSetSitePermissionCompleted(uint32 request_id,bool success)45 virtual void OnSetSitePermissionCompleted(uint32 request_id, 46 bool success) {} 47 OnGetSitesWithDataCompleted(uint32 request_id,const std::vector<std::string> & sites)48 virtual void OnGetSitesWithDataCompleted( 49 uint32 request_id, 50 const std::vector<std::string>& sites) {} 51 OnClearSiteDataCompleted(uint32 request_id,bool success)52 virtual void OnClearSiteDataCompleted(uint32 request_id, bool success) {} 53 }; 54 55 // |client| must outlive this object. It is guaranteed that |client| won't 56 // receive any notifications after this object goes away. 57 PepperFlashSettingsManager(Client* client, 58 content::BrowserContext* browser_context); 59 ~PepperFlashSettingsManager(); 60 61 // |plugin_info| will be updated if it is not NULL and the method returns 62 // true. 63 static bool IsPepperFlashInUse(PluginPrefs* plugin_prefs, 64 content::WebPluginInfo* plugin_info); 65 66 static void RegisterProfilePrefs(user_prefs::PrefRegistrySyncable* registry); 67 68 // Requests to deauthorize content licenses. 69 // Client::OnDeauthorizeContentLicensesCompleted() will be called when the 70 // operation is completed. 71 // The return value is the same as the request ID passed into 72 // Client::OnDeauthorizeContentLicensesCompleted(). 73 uint32 DeauthorizeContentLicenses(PrefService* prefs); 74 75 // Gets permission settings. 76 // Client::OnGetPermissionSettingsCompleted() will be called when the 77 // operation is completed. 78 uint32 GetPermissionSettings( 79 PP_Flash_BrowserOperations_SettingType setting_type); 80 81 // Sets default permission. 82 // Client::OnSetDefaultPermissionCompleted() will be called when the 83 // operation is completed. 84 uint32 SetDefaultPermission( 85 PP_Flash_BrowserOperations_SettingType setting_type, 86 PP_Flash_BrowserOperations_Permission permission, 87 bool clear_site_specific); 88 89 // Sets site-specific permission. 90 // Client::OnSetSitePermissionCompleted() will be called when the operation 91 // is completed. 92 uint32 SetSitePermission(PP_Flash_BrowserOperations_SettingType setting_type, 93 const ppapi::FlashSiteSettings& sites); 94 95 // Gets a list of sites that have stored data. 96 // Client::OnGetSitesWithDataCompleted() will be called when the operation is 97 // completed. 98 uint32 GetSitesWithData(); 99 100 // Clears data for a certain site. 101 // Client::OnClearSiteDataompleted() will be called when the operation is 102 // completed. 103 uint32 ClearSiteData(const std::string& site, uint64 flags, uint64 max_age); 104 105 private: 106 // Core does most of the work. It is ref-counted so that its lifespan can be 107 // independent of the containing object's: 108 // - The manager can be deleted on the UI thread while the core still being 109 // used on the I/O thread. 110 // - The manager can delete the core when it encounters errors and create 111 // another one to handle new requests. 112 class Core; 113 114 uint32 GetNextRequestId(); 115 116 void EnsureCoreExists(); 117 118 // Notifies us that an error occurred in |core|. 119 void OnError(Core* core); 120 121 // |client_| is not owned by this object and must outlive it. 122 Client* client_; 123 124 // The browser context for the profile. 125 content::BrowserContext* browser_context_; 126 127 scoped_refptr<Core> core_; 128 129 uint32 next_request_id_; 130 131 base::WeakPtrFactory<PepperFlashSettingsManager> weak_ptr_factory_; 132 133 DISALLOW_COPY_AND_ASSIGN(PepperFlashSettingsManager); 134 }; 135 136 #endif // CHROME_BROWSER_PEPPER_FLASH_SETTINGS_MANAGER_H_ 137