host-common/feature_control.cpp

/*
* Copyright (C) 2016 The Android Open Source Project
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/

#include "feature_control.h"

#include <vector>

struct FeatureState {
    std::vector<bool> enabled;
};

static FeatureState sFeatureState;

// Call this function first to initialize the feature control.
void feature_initialize() { }

// Get the access rules given by |name| if they exist, otherwise returns NULL
bool feature_is_enabled(Feature feature) {
    return sFeatureState.enabled[feature];
}

void feature_set_enabled_override(Feature feature, bool isEnabled) {
    sFeatureState.enabled[feature] = isEnabled;
}

void feature_reset_enabled_to_default(Feature feature) {
    sFeatureState.enabled[feature] = false;
}

// Set the feature if it is not user-overriden.
void feature_set_if_not_overridden(Feature feature, bool enable) {
    sFeatureState.enabled[feature] = enable;
}

// Set the feature if it is not user-overriden or disabled from the guest.
void feature_set_if_not_overridden_or_guest_disabled(Feature feature, bool enable) {
    sFeatureState.enabled[feature] = enable;
}

// Runs applyCachedServerFeaturePatterns then
// asyncUpdateServerFeaturePatterns. See FeatureControl.h
// for more info. To be called only once on startup.
void feature_update_from_server() { }