// Copyright (c) 2011 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_PASSWORD_MANAGER_PASSWORD_MANAGER_H_
#define CHROME_BROWSER_PASSWORD_MANAGER_PASSWORD_MANAGER_H_
#pragma once
#include "base/memory/scoped_ptr.h"
#include "base/stl_util-inl.h"
#include "chrome/browser/password_manager/password_form_manager.h"
#include "chrome/browser/prefs/pref_member.h"
#include "chrome/browser/ui/login/login_model.h"
#include "content/browser/tab_contents/tab_contents_observer.h"
#include "webkit/glue/password_form.h"
#include "webkit/glue/password_form_dom_manager.h"
class PasswordManagerDelegate;
class PasswordManagerTest;
class PasswordFormManager;
class PrefService;
// Per-tab password manager. Handles creation and management of UI elements,
// receiving password form data from the renderer and managing the password
// database through the WebDataService. The PasswordManager is a LoginModel
// for purposes of supporting HTTP authentication dialogs.
class PasswordManager : public LoginModel,
public TabContentsObserver {
public:
static void RegisterUserPrefs(PrefService* prefs);
// The delegate passed in is required to outlive the PasswordManager.
PasswordManager(TabContents* tab_contents,
PasswordManagerDelegate* delegate);
virtual ~PasswordManager();
// Called by a PasswordFormManager when it decides a form can be autofilled
// on the page.
void Autofill(const webkit_glue::PasswordForm& form_for_autofill,
const webkit_glue::PasswordFormMap& best_matches,
const webkit_glue::PasswordForm* const preferred_match,
bool wait_for_username) const;
// LoginModel implementation.
virtual void SetObserver(LoginModelObserver* observer);
// When a form is submitted, we prepare to save the password but wait
// until we decide the user has successfully logged in. This is step 1
// of 2 (see SavePassword).
void ProvisionallySavePassword(webkit_glue::PasswordForm form);
// TabContentsObserver overrides.
virtual void DidStopLoading();
virtual void DidNavigateAnyFramePostCommit(
const NavigationController::LoadCommittedDetails& details,
const ViewHostMsg_FrameNavigate_Params& params);
virtual bool OnMessageReceived(const IPC::Message& message);
void OnPasswordFormsFound(
const std::vector<webkit_glue::PasswordForm>& forms);
void OnPasswordFormsVisible(
const std::vector<webkit_glue::PasswordForm>& visible_forms);
private:
FRIEND_TEST_ALL_PREFIXES(PasswordManagerTest, FormSeenThenLeftPage);
// Note about how a PasswordFormManager can transition from
// pending_login_managers_ to provisional_save_manager_ and the infobar.
//
// 1. form "seen"
// | new
// | ___ Infobar
// pending_login -- form submit --> provisional_save ___/
// ^ | \___ (update DB)
// | fail
// |-----------<------<---------| !new
//
// When a form is "seen" on a page, a PasswordFormManager is created
// and stored in this collection until user navigates away from page.
// Clear any pending saves
void ClearProvisionalSave();
// Notification that the user navigated away from the current page.
// Unless this is a password form submission, for our purposes this
// means we're done with the current page, so we can clean-up.
void DidNavigate();
typedef std::vector<PasswordFormManager*> LoginManagers;
LoginManagers pending_login_managers_;
// Deleter for pending_login_managers_ when PasswordManager is deleted (e.g
// tab closes) on a page with a password form, thus containing login managers.
STLElementDeleter<LoginManagers> login_managers_deleter_;
// When the user submits a password/credential, this contains the
// PasswordFormManager for the form in question until we deem the login
// attempt to have succeeded (as in valid credentials). If it fails, we
// send the PasswordFormManager back to the pending_login_managers_ set.
// Scoped in case PasswordManager gets deleted (e.g tab closes) between the
// time a user submits a login form and gets to the next page.
scoped_ptr<PasswordFormManager> provisional_save_manager_;
// Our delegate for carrying out external operations. This is typically the
// containing TabContents.
PasswordManagerDelegate* delegate_;
// The LoginModelObserver (i.e LoginView) requiring autofill.
LoginModelObserver* observer_;
// Set to false to disable the password manager (will no longer fill
// passwords or ask you if you want to save passwords).
BooleanPrefMember password_manager_enabled_;
DISALLOW_COPY_AND_ASSIGN(PasswordManager);
};
#endif // CHROME_BROWSER_PASSWORD_MANAGER_PASSWORD_MANAGER_H_