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_CHROMEOS_APP_MODE_STARTUP_APP_LAUNCHER_H_ 6 #define CHROME_BROWSER_CHROMEOS_APP_MODE_STARTUP_APP_LAUNCHER_H_ 7 8 #include <string> 9 10 #include "base/basictypes.h" 11 #include "base/memory/ref_counted.h" 12 #include "base/memory/weak_ptr.h" 13 #include "chrome/browser/chromeos/app_mode/kiosk_app_launch_error.h" 14 #include "google_apis/gaia/oauth2_token_service.h" 15 16 class Profile; 17 18 namespace extensions { 19 class WebstoreStandaloneInstaller; 20 } 21 22 namespace chromeos { 23 24 // Launches the app at startup. The flow roughly looks like this: 25 // First call Initialize(): 26 // - Attempts to load oauth token file. Stores the loaded tokens in 27 // |auth_params_|. 28 // - Initialize token service and inject |auth_params_| if needed. 29 // - Initialize network if app is not installed or not offline_enabled. 30 // - If network is online, install or update the app as needed. 31 // - After the app is installed/updated, launch it and finish the flow; 32 // Report OnLauncherInitialized() or OnLaunchFailed() to observers: 33 // - If all goes good, launches the app and finish the flow; 34 class StartupAppLauncher 35 : public base::SupportsWeakPtr<StartupAppLauncher>, 36 public OAuth2TokenService::Observer { 37 public: 38 class Delegate { 39 public: 40 // Invoked to perform actual network initialization work. Note the app 41 // launch flow is paused until ContinueWithNetworkReady is called. 42 virtual void InitializeNetwork() = 0; 43 44 // Returns true if Internet is online. 45 virtual bool IsNetworkReady() = 0; 46 47 virtual void OnLoadingOAuthFile() = 0; 48 virtual void OnInitializingTokenService() = 0; 49 virtual void OnInstallingApp() = 0; 50 virtual void OnReadyToLaunch() = 0; 51 virtual void OnLaunchSucceeded() = 0; 52 virtual void OnLaunchFailed(KioskAppLaunchError::Error error) = 0; 53 virtual bool IsShowingNetworkConfigScreen() = 0; 54 55 protected: ~Delegate()56 virtual ~Delegate() {} 57 }; 58 59 StartupAppLauncher(Profile* profile, 60 const std::string& app_id, 61 bool diagnostic_mode, 62 Delegate* delegate); 63 64 virtual ~StartupAppLauncher(); 65 66 // Prepares the environment for an app launch. 67 void Initialize(); 68 69 // Continues the initialization after network is ready. 70 void ContinueWithNetworkReady(); 71 72 // Launches the app after the initialization is successful. 73 void LaunchApp(); 74 75 // Restarts launcher; 76 void RestartLauncher(); 77 78 private: 79 // OAuth parameters from /home/chronos/kiosk_auth file. 80 struct KioskOAuthParams { 81 std::string refresh_token; 82 std::string client_id; 83 std::string client_secret; 84 }; 85 86 void OnLaunchSuccess(); 87 void OnLaunchFailure(KioskAppLaunchError::Error error); 88 89 void MaybeInstall(); 90 91 // Callbacks from ExtensionUpdater. 92 void OnUpdateCheckFinished(); 93 94 void BeginInstall(); 95 void InstallCallback(bool success, const std::string& error); 96 void OnReadyToLaunch(); 97 void UpdateAppData(); 98 99 void InitializeTokenService(); 100 void MaybeInitializeNetwork(); 101 102 void StartLoadingOAuthFile(); 103 static void LoadOAuthFileOnBlockingPool(KioskOAuthParams* auth_params); 104 void OnOAuthFileLoaded(KioskOAuthParams* auth_params); 105 106 // OAuth2TokenService::Observer overrides. 107 virtual void OnRefreshTokenAvailable(const std::string& account_id) OVERRIDE; 108 virtual void OnRefreshTokensLoaded() OVERRIDE; 109 110 Profile* profile_; 111 const std::string app_id_; 112 const bool diagnostic_mode_; 113 Delegate* delegate_; 114 bool network_ready_handled_; 115 int install_attempt_; 116 bool ready_to_launch_; 117 118 scoped_refptr<extensions::WebstoreStandaloneInstaller> installer_; 119 KioskOAuthParams auth_params_; 120 121 DISALLOW_COPY_AND_ASSIGN(StartupAppLauncher); 122 }; 123 124 } // namespace chromeos 125 126 #endif // CHROME_BROWSER_CHROMEOS_APP_MODE_STARTUP_APP_LAUNCHER_H_ 127