Identity API: Pop-up a sign-in dialog if gaia credentials are bad

chrome/browser/extensions/api/identity/identity_api.h

 // Copyright (c) 2012 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #ifndef CHROME_BROWSER_EXTENSIONS_API_IDENTITY_IDENTITY_API_H_
 #define CHROME_BROWSER_EXTENSIONS_API_IDENTITY_IDENTITY_API_H_
 
 #include <string>
 
 #include "base/memory/ref_counted.h"
 #include "base/memory/weak_ptr.h"
+#include "chrome/browser/extensions/api/identity/identity_signin_flow.h"
 #include "chrome/browser/extensions/api/identity/web_auth_flow.h"
 #include "chrome/browser/extensions/api/profile_keyed_api_factory.h"
 #include "chrome/browser/extensions/extension_function.h"
 #include "chrome/browser/extensions/extension_install_prompt.h"
-#include "chrome/browser/ui/webui/signin/login_ui_service.h"
+#include "chrome/browser/signin/signin_global_error.h"
 #include "google_apis/gaia/oauth2_mint_token_flow.h"
 
 class GetAuthTokenFunctionTest;
 class MockGetAuthTokenFunction;
 class GoogleServiceAuthError;
 class Profile;
 
 namespace extensions {
 
 namespace identity_constants {
 extern const char kInvalidClientId[];
 extern const char kInvalidScopes[];
 extern const char kAuthFailure[];
 extern const char kNoGrant[];
 extern const char kUserRejected[];
 extern const char kUserNotSignedIn[];
 extern const char kInvalidRedirect[];
 }  // namespace identity_constants
 
 class IdentityGetAuthTokenFunction : public AsyncExtensionFunction,
                                      public OAuth2MintTokenFlow::Delegate,
                                      public ExtensionInstallPrompt::Delegate,
-                                     public LoginUIService::Observer {
+                                     public IdentitySigninFlow::Delegate {
  public:
   DECLARE_EXTENSION_FUNCTION("experimental.identity.getAuthToken",
                              EXPERIMENTAL_IDENTITY_GETAUTHTOKEN)
 
   IdentityGetAuthTokenFunction();
 
  protected:
   virtual ~IdentityGetAuthTokenFunction();
 
  private:
   friend class GetAuthTokenFunctionTest;
   friend class MockGetAuthTokenFunction;
 
   // ExtensionFunction:
   virtual bool RunImpl() OVERRIDE;
 
   // OAuth2MintTokenFlow::Delegate implementation:
   virtual void OnMintTokenSuccess(const std::string& access_token) OVERRIDE;
   virtual void OnMintTokenFailure(
       const GoogleServiceAuthError& error) OVERRIDE;
   virtual void OnIssueAdviceSuccess(
       const IssueAdviceInfo& issue_advice) OVERRIDE;
 
-  // LoginUIService::Observer implementation.
-  virtual void OnLoginUIShown(LoginUIService::LoginUI* ui) OVERRIDE {
-    // Do nothing when login ui is shown.
-  }
-  virtual void OnLoginUIClosed(LoginUIService::LoginUI* ui) OVERRIDE;
+  // IdentitySigninFlow::Delegate implementation:
+  virtual void SigninSuccess(const std::string& token) OVERRIDE;
+  virtual void SigninFailed() OVERRIDE;
 
   // ExtensionInstallPrompt::Delegate implementation:
   virtual void InstallUIProceed() OVERRIDE;
   virtual void InstallUIAbort(bool user_initiated) OVERRIDE;
 
-  // Shows the login UI in a browser popup.
-  bool StartLogin();
-  // Starts a MintTokenFlow with the given mode; Returns success.
-  bool StartFlow(OAuth2MintTokenFlow::Mode mode);
+  // Starts a MintTokenFlow with the given mode.
+  void StartFlow(OAuth2MintTokenFlow::Mode mode);
 
-  virtual void StartObservingLoginService();
-  virtual void StopObservingLoginService();
   virtual void ShowLoginPopup();
   virtual void ShowOAuthApprovalDialog(const IssueAdviceInfo& issue_advice);
   // Caller owns the returned instance.
   virtual OAuth2MintTokenFlow* CreateMintTokenFlow(
       OAuth2MintTokenFlow::Mode mode);
 
   // Checks if there is a master login token to mint tokens for the extension.
   virtual bool HasLoginToken() const;
 
-  bool interactive_;
-  scoped_ptr<OAuth2MintTokenFlow> flow_;
+  bool should_prompt_for_scopes_;
+  scoped_ptr<OAuth2MintTokenFlow> mint_token_flow_;
+  std::string refresh_token_;
+  bool should_prompt_for_signin_;
 
   // When launched in interactive mode, and if there is no existing grant,
   // a permissions prompt will be popped up to the user.
   scoped_ptr<ExtensionInstallPrompt> install_ui_;
+  scoped_ptr<IdentitySigninFlow> signin_flow_;
 };
 
 class IdentityLaunchWebAuthFlowFunction : public AsyncExtensionFunction,
                                           public WebAuthFlow::Delegate {
  public:
   DECLARE_EXTENSION_FUNCTION("experimental.identity.launchWebAuthFlow",
                              EXPERIMENTAL_IDENTITY_LAUNCHWEBAUTHFLOW)
 
   IdentityLaunchWebAuthFlowFunction();
 
  private:
   virtual ~IdentityLaunchWebAuthFlowFunction();
   virtual bool RunImpl() OVERRIDE;
 
   // WebAuthFlow::Delegate implementation.
   virtual void OnAuthFlowSuccess(const std::string& redirect_url) OVERRIDE;
   virtual void OnAuthFlowFailure() OVERRIDE;
 
   scoped_ptr<WebAuthFlow> auth_flow_;
 };
 
-class IdentityAPI : public ProfileKeyedAPI {
+class IdentityAPI : public ProfileKeyedAPI,
+                    public SigninGlobalError::AuthStatusProvider,
+                    public content::NotificationObserver {
  public:
   explicit IdentityAPI(Profile* profile);
   virtual ~IdentityAPI();
+  void Initialize();
+
+  void ReportAuthError(const GoogleServiceAuthError& error);
 
   // ProfileKeyedAPI implementation.
+  virtual void Shutdown() OVERRIDE;
   static ProfileKeyedAPIFactory<IdentityAPI>* GetFactoryInstance();
 
+  // AuthStatusProvider implementation.
+  virtual GoogleServiceAuthError GetAuthStatus() const OVERRIDE;
+
+  // content::NotificationObserver implementation.
+  virtual void Observe(int type,
+                       const content::NotificationSource& source,
+                       const content::NotificationDetails& details) OVERRIDE;
+
  private:
   friend class ProfileKeyedAPIFactory<IdentityAPI>;
 
   // ProfileKeyedAPI implementation.
   static const char* service_name() {
     return "IdentityAPI";
   }
   static const bool kServiceIsNULLWhileTesting = true;
+
+  Profile* profile_;
+  SigninManager* signin_manager_;
+  GoogleServiceAuthError error_;
+  // Used to listen to notifications from the TokenService.
+  content::NotificationRegistrar registrar_;
 };
 
+template <>
+void ProfileKeyedAPIFactory<IdentityAPI>::DeclareFactoryDependencies();
+
 }  // namespace extensions
 
 #endif  // CHROME_BROWSER_EXTENSIONS_API_IDENTITY_IDENTITY_API_H_