| // Copyright 2017 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 COMPONENTS_ARC_ARC_UTIL_H_ |
| #define COMPONENTS_ARC_ARC_UTIL_H_ |
| |
| // This file contains utility to see ARC functionality status controlled by |
| // outside of ARC, e.g. CommandLine flag, attribute of global data/state, |
| // users' preferences, and FeatureList. |
| |
| #include <stdint.h> |
| |
| namespace aura { |
| class Window; |
| } // namespace aura |
| |
| namespace base { |
| class CommandLine; |
| } // namespace base |
| |
| namespace user_manager { |
| class User; |
| } // namespace user_manager |
| |
| namespace arc { |
| |
| // Returns true if ARC is installed and the current device is officially |
| // supported to run ARC. |
| // Note that, to run ARC practically, it is necessary to meet more conditions, |
| // e.g., ARC supports only on Primary User Profile. To see if ARC can actually |
| // run for the profile etc., arc::ArcSessionManager::IsAllowedForProfile() is |
| // the function for that purpose. Please see also its comment, too. |
| // Also note that, ARC singleton classes (e.g. ArcSessionManager, |
| // ArcServiceManager, ArcServiceLauncher) are instantiated regardless of this |
| // check, so it is ok to access them directly. |
| bool IsArcAvailable(); |
| |
| // Returns true if ARC should always start within the primary user session |
| // (opted in user or not), and other supported mode such as guest and Kiosk |
| // mode. |
| bool ShouldArcAlwaysStart(); |
| |
| // Returns true if ARC should always start with no Play Store availability |
| // within the primary user session (opted in user or not), and other supported |
| // mode such as guest and Kiosk mode. |
| bool ShouldArcAlwaysStartWithNoPlayStore(); |
| |
| // Returns true if ARC OptIn ui needs to be shown for testing. |
| bool ShouldShowOptInForTesting(); |
| |
| // Enables to always start ARC for testing, by appending the command line flag. |
| // If |bool play_store_available| is not set then flag that disables ARC Play |
| // Store UI is added. |
| void SetArcAlwaysStartForTesting(bool play_store_available); |
| |
| // Returns true if ARC is installed and running ARC kiosk apps on the current |
| // device is officially supported. |
| // It doesn't follow that ARC is available for user sessions and |
| // IsArcAvailable() will return true, although the reverse should be. |
| // This is used to distinguish special cases when ARC kiosk is available on |
| // the device, but is not yet supported for regular user sessions. |
| // In most cases, IsArcAvailable() check should be used instead of this. |
| // Also not that this function may return true when ARC is not running in |
| // Kiosk mode, it checks only ARC Kiosk availability. |
| bool IsArcKioskAvailable(); |
| |
| // For testing ARC in browser tests, this function should be called in |
| // SetUpCommandLine(), and its argument should be passed to this function. |
| // Also, in unittests, this can be called in SetUp() with |
| // base::CommandLine::ForCurrentProcess(). |
| // |command_line| must not be nullptr. |
| void SetArcAvailableCommandLineForTesting(base::CommandLine* command_line); |
| |
| // Returns true if ARC should run under Kiosk mode for the current profile. |
| // As it can return true only when user is already initialized, it implies |
| // that ARC availability was checked before and IsArcKioskAvailable() |
| // should also return true in that case. |
| bool IsArcKioskMode(); |
| |
| // Returns true if current user is a robot account user, or offline demo mode |
| // user. |
| // These are Public Session and ARC Kiosk users. Note that demo mode, including |
| // offline demo mode, is implemented as a Public Session - offline demo mode |
| // is setup offline and it isn't associated with a working robot account. |
| // As it can return true only when user is already initialized, it implies |
| // that ARC availability was checked before. |
| // The check is basically IsArcKioskMode() | IsLoggedInAsPublicSession(). |
| bool IsRobotOrOfflineDemoAccountMode(); |
| |
| // Returns true if ARC is allowed for the given user. Note this should not be |
| // used as a signal of whether ARC is allowed alone because it only considers |
| // user meta data. e.g. a user could be allowed for ARC but if the user signs in |
| // as a secondary user or signs in to create a supervised user, ARC should be |
| // disabled for such cases. |
| bool IsArcAllowedForUser(const user_manager::User* user); |
| |
| // Checks if opt-in verification was disabled by switch in command line. |
| // In most cases, it is disabled for testing purpose. |
| bool IsArcOptInVerificationDisabled(); |
| |
| // Returns true if the |window|'s aura::client::kAppType is ARC_APP. When |
| // |window| is nullptr, returns false. |
| bool IsArcAppWindow(const aura::Window* window); |
| |
| // Returns true if data clean up is requested for each ARC start. |
| bool IsArcDataCleanupOnStartRequested(); |
| |
| // Adjusts the amount of CPU the ARC instance is allowed to use. When |
| // |do_restrict| is true, the limit is adjusted so ARC can only use tightly |
| // restricted CPU resources. |
| // TODO(yusukes): Use enum instead of bool. |
| void SetArcCpuRestriction(bool do_restrict); |
| |
| // Returns the Android density that should be used for the given device scale |
| // factor used on chrome. |
| int32_t GetLcdDensityForDeviceScaleFactor(float device_scale_factor); |
| |
| } // namespace arc |
| |
| #endif // COMPONENTS_ARC_ARC_UTIL_H_ |