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// 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_MANAGED_MODE_H_
#define CHROME_BROWSER_MANAGED_MODE_H_
#include <set>
#include <string>
#include <vector>
#include "base/callback.h"
#include "base/compiler_specific.h"
#include "base/memory/singleton.h"
#include "chrome/browser/extensions/management_policy.h"
#include "chrome/browser/ui/browser_list_observer.h"
#include "content/public/browser/notification_observer.h"
#include "content/public/browser/notification_registrar.h"
class Browser;
template<typename T>
struct DefaultSingletonTraits;
class PrefService;
class Profile;
// Managed mode allows one person to manage the Chrome experience for another
// person by pre-configuring and then locking a managed User profile.
// The ManagedMode class provides methods to check whether the browser is in
// managed mode, and to attempt to enter or leave managed mode.
class ManagedMode : public chrome::BrowserListObserver,
public extensions::ManagementPolicy::Provider,
public content::NotificationObserver {
public:
typedef base::Callback<void(bool)> EnterCallback;
static void RegisterPrefs(PrefService* prefs);
// Initializes the singleton, setting the managed_profile_. Must be called
// after g_browser_process and the LocalState have been created.
static void Init(Profile* profile);
static bool IsInManagedMode();
// Calls |callback| with the argument true iff managed mode was entered
// sucessfully.
static void EnterManagedMode(Profile* profile, const EnterCallback& callback);
static void LeaveManagedMode();
// ExtensionManagementPolicy::Provider implementation:
virtual std::string GetDebugPolicyProviderName() const OVERRIDE;
virtual bool UserMayLoad(const extensions::Extension* extension,
string16* error) const OVERRIDE;
virtual bool UserMayModifySettings(const extensions::Extension* extension,
string16* error) const OVERRIDE;
// chrome::BrowserListObserver implementation:
virtual void OnBrowserAdded(Browser* browser) OVERRIDE;
virtual void OnBrowserRemoved(Browser* browser) OVERRIDE;
// content::NotificationObserver implementation:
virtual void Observe(int type,
const content::NotificationSource& source,
const content::NotificationDetails& details) OVERRIDE;
protected:
ManagedMode();
virtual ~ManagedMode();
void EnterManagedModeImpl(Profile* profile, const EnterCallback& callback);
// The managed profile. This is NULL iff we are not in managed mode.
Profile* managed_profile_;
private:
friend struct DefaultSingletonTraits<ManagedMode>;
friend class Singleton<ManagedMode>;
FRIEND_TEST_ALL_PREFIXES(ExtensionApiTest, ManagedModeOnChange);
FRIEND_TEST_ALL_PREFIXES(ExtensionServiceTest,
ManagedModeProhibitsModification);
static ManagedMode* GetInstance();
virtual void InitImpl(Profile* profile);
// Internal implementation for ExtensionManagementPolicy::Delegate methods.
// If |error| is not NULL, it will be filled with an error message if the
// requested extension action (install, modify status, etc.) is not permitted.
bool ExtensionManagementPolicyImpl(string16* error) const;
void LeaveManagedModeImpl();
void FinalizeEnter(bool result);
// Platform-specific methods that confirm whether we can enter or leave
// managed mode.
virtual bool PlatformConfirmEnter();
virtual bool PlatformConfirmLeave();
virtual bool IsInManagedModeImpl() const;
// Enables or disables managed mode and registers or unregisters it with the
// ManagementPolicy. If |newly_managed_profile| is NULL, managed mode will
// be disabled. Otherwise, managed mode will be enabled for that profile
// (typically |managed_profile_|, but other values are possible during
// testing).
virtual void SetInManagedMode(Profile* newly_managed_profile);
content::NotificationRegistrar registrar_;
std::set<Browser*> browsers_to_close_;
std::vector<EnterCallback> callbacks_;
DISALLOW_COPY_AND_ASSIGN(ManagedMode);
};
#endif // CHROME_BROWSER_MANAGED_MODE_H_
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