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_CHROMEOS_LOGIN_SCREENS_UPDATE_SCREEN_H_ 6 #define CHROME_BROWSER_CHROMEOS_LOGIN_SCREENS_UPDATE_SCREEN_H_ 7 8 #include <set> 9 10 #include "base/callback.h" 11 #include "base/compiler_specific.h" 12 #include "base/gtest_prod_util.h" 13 #include "base/memory/weak_ptr.h" 14 #include "base/time/time.h" 15 #include "base/timer/timer.h" 16 #include "chrome/browser/chromeos/login/screens/update_screen_actor.h" 17 #include "chrome/browser/chromeos/login/screens/wizard_screen.h" 18 #include "chrome/browser/chromeos/net/network_portal_detector.h" 19 #include "chromeos/dbus/update_engine_client.h" 20 21 namespace chromeos { 22 23 class ErrorScreen; 24 class NetworkState; 25 class ScreenObserver; 26 27 // Controller for the update screen. It does not depend on the specific 28 // implementation of the screen showing (Views of WebUI based), the dependency 29 // is moved to the UpdateScreenActor instead. 30 class UpdateScreen: public UpdateEngineClient::Observer, 31 public UpdateScreenActor::Delegate, 32 public WizardScreen, 33 public NetworkPortalDetector::Observer { 34 public: 35 UpdateScreen(ScreenObserver* screen_observer, UpdateScreenActor* actor); 36 virtual ~UpdateScreen(); 37 38 // Overridden from WizardScreen. 39 virtual void PrepareToShow() OVERRIDE; 40 virtual void Show() OVERRIDE; 41 virtual void Hide() OVERRIDE; 42 virtual std::string GetName() const OVERRIDE; 43 44 // UpdateScreenActor::Delegate implementation: 45 virtual void CancelUpdate() OVERRIDE; 46 virtual void OnActorDestroyed(UpdateScreenActor* actor) OVERRIDE; 47 virtual void OnConnectToNetworkRequested( 48 const std::string& service_path) OVERRIDE; 49 50 // Starts network check. Made virtual to simplify mocking. 51 virtual void StartNetworkCheck(); 52 53 // Reboot check delay get/set, in seconds. reboot_check_delay()54 int reboot_check_delay() const { return reboot_check_delay_; } 55 void SetRebootCheckDelay(int seconds); 56 57 // Returns true if this instance is still active (i.e. has not been deleted). 58 static bool HasInstance(UpdateScreen* inst); 59 60 void SetIgnoreIdleStatus(bool ignore_idle_status); 61 62 enum ExitReason { 63 REASON_UPDATE_CANCELED = 0, 64 REASON_UPDATE_INIT_FAILED, 65 REASON_UPDATE_NON_CRITICAL, 66 REASON_UPDATE_ENDED 67 }; 68 // Reports update results to the ScreenObserver. 69 virtual void ExitUpdate(ExitReason reason); 70 71 // UpdateEngineClient::Observer implementation: 72 virtual void UpdateStatusChanged( 73 const UpdateEngineClient::Status& status) OVERRIDE; 74 75 // NetworkPortalDetector::Observer implementation: 76 virtual void OnPortalDetectionCompleted( 77 const NetworkState* network, 78 const NetworkPortalDetector::CaptivePortalState& state) OVERRIDE; 79 80 private: 81 FRIEND_TEST_ALL_PREFIXES(UpdateScreenTest, TestBasic); 82 FRIEND_TEST_ALL_PREFIXES(UpdateScreenTest, TestUpdateAvailable); 83 FRIEND_TEST_ALL_PREFIXES(UpdateScreenTest, TestAPReselection); 84 85 enum State { 86 STATE_IDLE = 0, 87 STATE_FIRST_PORTAL_CHECK, 88 STATE_UPDATE, 89 STATE_ERROR 90 }; 91 92 // Updates downloading stats (remaining time and downloading 93 // progress) on the AU screen. 94 void UpdateDownloadingStats(const UpdateEngineClient::Status& status); 95 96 // Returns true if there is critical system update that requires installation 97 // and immediate reboot. 98 bool HasCriticalUpdate(); 99 100 // Timer notification handlers. 101 void OnWaitForRebootTimeElapsed(); 102 103 // Checks that screen is shown, shows if not. 104 void MakeSureScreenIsShown(); 105 106 // Returns an instance of the error screen. 107 ErrorScreen* GetErrorScreen(); 108 109 void StartUpdateCheck(); 110 void ShowErrorMessage(); 111 void HideErrorMessage(); 112 void UpdateErrorMessage( 113 const NetworkState* network, 114 const NetworkPortalDetector::CaptivePortalStatus status); 115 // Timer for the interval to wait for the reboot. 116 // If reboot didn't happen - ask user to reboot manually. 117 base::OneShotTimer<UpdateScreen> reboot_timer_; 118 119 // Returns a static InstanceSet. 120 typedef std::set<UpdateScreen*> InstanceSet; 121 static InstanceSet& GetInstanceSet(); 122 123 // Current state of the update screen. 124 State state_; 125 126 // Time in seconds after which we decide that the device has not rebooted 127 // automatically. If reboot didn't happen during this interval, ask user to 128 // reboot device manually. 129 int reboot_check_delay_; 130 131 // True if in the process of checking for update. 132 bool is_checking_for_update_; 133 // Flag that is used to detect when update download has just started. 134 bool is_downloading_update_; 135 // If true, update deadlines are ignored. 136 // Note, this is false by default. 137 bool is_ignore_update_deadlines_; 138 // Whether the update screen is shown. 139 bool is_shown_; 140 // Ignore fist IDLE status that is sent before update screen initiated check. 141 bool ignore_idle_status_; 142 143 // Keeps actor which is delegated with all showing operations. 144 UpdateScreenActor* actor_; 145 146 // Time of the first notification from the downloading stage. 147 base::Time download_start_time_; 148 double download_start_progress_; 149 150 // Time of the last notification from the downloading stage. 151 base::Time download_last_time_; 152 double download_last_progress_; 153 154 bool is_download_average_speed_computed_; 155 double download_average_speed_; 156 157 // True if there was no notification from NetworkPortalDetector 158 // about state for the default network. 159 bool is_first_detection_notification_; 160 161 // True if there was no notification about captive portal state for 162 // the default network. 163 bool is_first_portal_notification_; 164 165 base::WeakPtrFactory<UpdateScreen> weak_factory_; 166 167 DISALLOW_COPY_AND_ASSIGN(UpdateScreen); 168 }; 169 170 } // namespace chromeos 171 172 #endif // CHROME_BROWSER_CHROMEOS_LOGIN_SCREENS_UPDATE_SCREEN_H_ 173