com.android.tools.idea.ui.properties.expressions.bool.AnyExpression.java Source code

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Here is the source code for com.android.tools.idea.ui.properties.expressions.bool.AnyExpression.java

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/*
 * Copyright (C) 2015 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.
 */
package com.android.tools.idea.ui.properties.expressions.bool;

import com.android.tools.idea.ui.properties.ObservableValue;
import com.google.common.collect.Iterables;
import org.jetbrains.annotations.NotNull;

import java.util.Collection;

/**
 * An expression which returns true if any of a list of target values is true.
 */
public final class AnyExpression extends BooleanExpression {

    private final ObservableValue<Boolean>[] myValues;

    public AnyExpression(ObservableValue<Boolean>... values) {
        super(values);
        myValues = values;
    }

    public AnyExpression(Collection<? extends ObservableValue<Boolean>> values) {
        //noinspection unchecked
        this(Iterables.toArray(values, ObservableValue.class));
    }

    @NotNull
    @Override
    public Boolean get() {
        for (ObservableValue<Boolean> value : myValues) {
            if (value.get()) {
                return true;
            }
        }

        return false;
    }
}