| // 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_PASSWORD_MANAGER_PASSWORD_GENERATION_MANAGER_H_ |
| #define CHROME_BROWSER_PASSWORD_MANAGER_PASSWORD_GENERATION_MANAGER_H_ |
| |
| #include "base/basictypes.h" |
| #include "base/memory/scoped_ptr.h" |
| #include "base/memory/weak_ptr.h" |
| #include "base/prefs/pref_change_registrar.h" |
| #include "chrome/browser/sync/profile_sync_service_observer.h" |
| #include "content/public/browser/web_contents_observer.h" |
| #include "content/public/browser/web_contents_user_data.h" |
| |
| namespace autofill { |
| class PasswordGenerator; |
| } |
| |
| namespace content { |
| struct PasswordForm; |
| } |
| |
| namespace user_prefs { |
| class PrefRegistrySyncable; |
| } |
| |
| // Per-tab manager for password generation. Will enable this feature only if |
| // |
| // - Password manager is enabled |
| // - Password sync is enabled |
| // - Password generation pref is enabled |
| // |
| // NOTE: At the moment, the creation of the renderer PasswordGenerationManager |
| // is controlled by a switch (--enable-password-generation) so this feature will |
| // not be enabled regardless of the above criteria without the switch being |
| // present. |
| // |
| // When enabled we will send a message enabling this feature in the renderer, |
| // which will show an icon next to password fields which we think are associated |
| // with account creation. This class also manages the popup which is created |
| // if the user chooses to generate a password. |
| class PasswordGenerationManager |
| : public ProfileSyncServiceObserver, |
| public content::WebContentsObserver, |
| public content::WebContentsUserData<PasswordGenerationManager> { |
| public: |
| static void CreateForWebContents(content::WebContents* contents); |
| static void RegisterProfilePrefs(user_prefs::PrefRegistrySyncable* registry); |
| virtual ~PasswordGenerationManager(); |
| |
| protected: |
| explicit PasswordGenerationManager(content::WebContents* contents); |
| |
| private: |
| friend class content::WebContentsUserData<PasswordGenerationManager>; |
| friend class PasswordGenerationManagerTest; |
| |
| // WebContentsObserver: |
| virtual void RenderViewCreated(content::RenderViewHost* host) OVERRIDE; |
| virtual bool OnMessageReceived(const IPC::Message& message) OVERRIDE; |
| virtual void WebContentsDestroyed(content::WebContents* contents) OVERRIDE; |
| |
| // ProfileSyncServiceObserver: |
| virtual void OnStateChanged() OVERRIDE; |
| |
| // Add ourselves as an observer to the sync service to be informed of changes |
| // to the password sync state. |
| void RegisterWithSyncService(); |
| |
| // Start watching for changes to the password generation enabled pref. |
| void SetUpPrefChangeRegistrar(); |
| void OnPrefStateChanged(); |
| |
| // Determines current state of password generation and sends this information |
| // to the renderer if it is different from |enabled_| or if |new_renderer| |
| // is true. |
| void UpdateState(content::RenderViewHost* host, bool new_renderer); |
| |
| // Sends a message to the renderer enabling or disabling this feature. This |
| // is a separate function to aid in testing. |
| virtual void SendStateToRenderer(content::RenderViewHost* host, bool enabled); |
| |
| // Causes the password generation bubble UI to be shown for the specified |
| // form. The popup will be anchored at |icon_bounds|. The generated |
| // password will be no longer than |max_length|. |
| void OnShowPasswordGenerationPopup(const gfx::Rect& icon_bounds, |
| int max_length, |
| const content::PasswordForm& form); |
| |
| // Whether password generation is enabled. |
| bool enabled_; |
| |
| // Listens for changes to the state of the password generation pref. |
| PrefChangeRegistrar registrar_; |
| |
| // For vending a weak_ptr for |registrar_|. |
| base::WeakPtrFactory<PasswordGenerationManager> weak_factory_; |
| |
| // Controls how passwords are generated. |
| scoped_ptr<autofill::PasswordGenerator> password_generator_; |
| |
| DISALLOW_COPY_AND_ASSIGN(PasswordGenerationManager); |
| }; |
| |
| #endif // CHROME_BROWSER_PASSWORD_MANAGER_PASSWORD_GENERATION_MANAGER_H_ |