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// Copyright 2013 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_UI_WEBUI_CHROMEOS_LOGIN_GAIA_SCREEN_HANDLER_H_
#define CHROME_BROWSER_UI_WEBUI_CHROMEOS_LOGIN_GAIA_SCREEN_HANDLER_H_
#include <string>
#include "base/basictypes.h"
#include "base/command_line.h"
#include "base/memory/ref_counted.h"
#include "chrome/browser/ui/webui/chromeos/login/network_state_informer.h"
#include "net/base/net_errors.h"
namespace policy {
class ConsumerManagementService;
}
namespace chromeos {
class SigninScreenHandler;
// A class that's used to specify the way how Gaia should be loaded.
struct GaiaContext {
GaiaContext();
// Forces Gaia to reload.
bool force_reload;
// Whether local verison of Gaia is used.
bool is_local;
// True if password was changed for the current user.
bool password_changed;
// True if user pods can be displyed.
bool show_users;
// Whether Gaia should be loaded in offline mode.
bool use_offline;
// True if user list is non-empty.
bool has_users;
// Email of current user.
std::string email;
// Whether consumer management enrollment is in progress.
bool is_enrolling_consumer_management;
};
// A class that handles WebUI hooks in Gaia screen.
class GaiaScreenHandler : public BaseScreenHandler {
public:
enum FrameState {
FRAME_STATE_UNKNOWN = 0,
FRAME_STATE_LOADING,
FRAME_STATE_LOADED,
FRAME_STATE_ERROR
};
GaiaScreenHandler(
const scoped_refptr<NetworkStateInformer>& network_state_informer,
policy::ConsumerManagementService* consumer_management);
virtual ~GaiaScreenHandler();
void LoadGaia(const GaiaContext& context);
void UpdateGaia(const GaiaContext& context);
// Sends request to reload Gaia. If |force_reload| is true, request
// will be sent in any case, otherwise it will be sent only when Gaia is
// not loading right now.
void ReloadGaia(bool force_reload);
FrameState frame_state() const { return frame_state_; }
net::Error frame_error() const { return frame_error_; }
private:
// TODO (ygorshenin@): remove this dependency.
friend class SigninScreenHandler;
// BaseScreenHandler implementation:
virtual void DeclareLocalizedValues(LocalizedValuesBuilder* builder) OVERRIDE;
virtual void Initialize() OVERRIDE;
// WebUIMessageHandler implementation:
virtual void RegisterMessages() OVERRIDE;
// WebUI message handlers.
void HandleFrameLoadingCompleted(int status);
void HandleCompleteAuthentication(const std::string& email,
const std::string& password,
const std::string& auth_code);
void HandleCompleteLogin(const std::string& typed_email,
const std::string& password,
bool using_saml);
void HandleUsingSAMLAPI();
void HandleScrapedPasswordCount(int password_count);
void HandleScrapedPasswordVerificationFailed();
void HandleGaiaUIReady();
// This is called when ConsumerManagementService::SetOwner() returns.
void OnSetOwnerDone(const std::string& typed_email,
const std::string& password,
bool using_saml,
bool success);
// Really handles the complete login message.
void DoCompleteLogin(const std::string& typed_email,
const std::string& password,
bool using_saml);
// Fill GAIA user name.
void PopulateEmail(const std::string& user_id);
// Mark user as having password changed:
void PasswordChangedFor(const std::string& user_id);
// Kick off cookie / local storage cleanup.
void StartClearingCookies(const base::Closure& on_clear_callback);
void OnCookiesCleared(const base::Closure& on_clear_callback);
// Kick off DNS cache flushing.
void StartClearingDnsCache();
void OnDnsCleared();
// Show sign-in screen for the given credentials.
virtual void ShowSigninScreenForCreds(const std::string& username,
const std::string& password);
// Attempts login for test.
void SubmitLoginFormForTest();
// Updates the member variable and UMA histogram indicating whether the
// principals API was used during SAML login.
void SetSAMLPrincipalsAPIUsed(bool api_used);
void ShowGaia(bool is_enrolling_consumer_management);
// Shows signin screen after dns cache and cookie cleanup operations finish.
void ShowGaiaScreenIfReady();
// Decides whether an auth extension should be pre-loaded. If it should,
// pre-loads it.
void MaybePreloadAuthExtension();
// Tells webui to load authentication extension. |force| is used to force the
// extension reloading, if it has already been loaded. |silent_load| is true
// for cases when extension should be loaded in the background and it
// shouldn't grab the focus. |offline| is true when offline version of the
// extension should be used.
void LoadAuthExtension(bool force, bool silent_load, bool offline);
// TODO (ygorshenin@): GaiaScreenHandler should implement
// NetworkStateInformer::Observer.
void UpdateState(ErrorScreenActor::ErrorReason reason);
// TODO (ygorshenin@): remove this dependency.
void SetSigninScreenHandler(SigninScreenHandler* handler);
SigninScreenHandlerDelegate* Delegate();
// Current state of Gaia frame.
FrameState frame_state_;
// Latest Gaia frame error.
net::Error frame_error_;
// Network state informer used to keep signin screen up.
scoped_refptr<NetworkStateInformer> network_state_informer_;
// Consumer management service for checking if enrollment is in progress.
policy::ConsumerManagementService* consumer_management_;
// Email to pre-populate with.
std::string populated_email_;
// Emails of the users, whose passwords have recently been changed.
std::set<std::string> password_changed_for_;
// True if dns cache cleanup is done.
bool dns_cleared_;
// True if DNS cache task is already running.
bool dns_clear_task_running_;
// True if cookie jar cleanup is done.
bool cookies_cleared_;
// Is focus still stolen from Gaia page?
bool focus_stolen_;
// Has Gaia page silent load been started for the current sign-in attempt?
bool gaia_silent_load_;
// The active network at the moment when Gaia page was preloaded.
std::string gaia_silent_load_network_;
// If the user authenticated via SAML, this indicates whether the principals
// API was used.
bool using_saml_api_;
// Whether consumer management enrollment is in progress.
bool is_enrolling_consumer_management_;
// Test credentials.
std::string test_user_;
std::string test_pass_;
bool test_expects_complete_login_;
// Non-owning ptr to SigninScreenHandler instance. Should not be used
// in dtor.
// TODO (ygorshenin@): GaiaScreenHandler shouldn't communicate with
// signin_screen_handler directly.
SigninScreenHandler* signin_screen_handler_;
base::WeakPtrFactory<GaiaScreenHandler> weak_factory_;
DISALLOW_COPY_AND_ASSIGN(GaiaScreenHandler);
};
} // namespace chromeos
#endif // CHROME_BROWSER_UI_WEBUI_CHROMEOS_LOGIN_GAIA_SCREEN_HANDLER_H_