com.shazam.fork.device.DeviceGeometryRetriever Maven / Gradle / Ivy

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A small application that creates a historic view of test runs with Fork.

There is a newer version: 3.18.1

/*
 * Copyright 2016 Shazam Entertainment Limited
 *
 * 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.shazam.fork.device;

import com.android.ddmlib.IDevice;
import com.shazam.fork.model.DisplayGeometry;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;

import java.util.List;

import javax.annotation.Nullable;

/**
 * Use various strategies to determine geometry of a device.
 */
public class DeviceGeometryRetriever {
    private final static Logger logger = LoggerFactory.getLogger(DeviceGeometryRetriever.class);
    private final List strategies;

    public DeviceGeometryRetriever(List strategies) {
        this.strategies = strategies;
    }

    /**
     * Detect the geometry of a device after applying a number of strategies.
     * @param device the connected device
     * @return the resolved geometry or null
     */
	@Nullable
	public DisplayGeometry detectGeometry(IDevice device) {
		for (DisplayGeometryRetrievalStrategy strategy : strategies) {
			DisplayGeometry geometry = strategy.retrieveGeometry(device);
			if (geometry != null) {
				return geometry;
			}
		}
        logger.warn("No geometry found for {} ({})", device.getName(), device.getSerialNumber());
		return null;
	}
}