android_translation_layer/src/api-impl/android/content/pm/FeatureInfo.java

/*
 * Copyright (C) 2009 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 android.content.pm;

/**
 * A single feature that can be requested by an application. This corresponds
 * to information collected from the
 * AndroidManifest.xml's <uses-feature> tag.
 */
public class FeatureInfo {
	/**
	 * The name of this feature, for example "android.hardware.camera".  If
	 * this is null, then this is an OpenGL ES version feature as described
	 * in {@link #reqGlEsVersion}.
	 */
	public String name;

	/**
	 * Default value for {@link #reqGlEsVersion};
	 */
	public static final int GL_ES_VERSION_UNDEFINED = 0;

	/**
	 * The GLES version used by an application. The upper order 16 bits represent the
	 * major version and the lower order 16 bits the minor version.  Only valid
	 * if {@link #name} is null.
	 */
	public int reqGlEsVersion;

	/**
	 * Set on {@link #flags} if this feature has been required by the application.
	 */
	public static final int FLAG_REQUIRED = 0x0001;

	/**
	 * Additional flags.  May be zero or more of {@link #FLAG_REQUIRED}.
	 */
	public int flags;

	public FeatureInfo() {
	}

	public FeatureInfo(FeatureInfo orig) {
		name = orig.name;
		reqGlEsVersion = orig.reqGlEsVersion;
		flags = orig.flags;
	}

	public String toString() {
		if (name != null) {
			return "FeatureInfo{" + Integer.toHexString(System.identityHashCode(this)) + " " + name + " fl=0x" + Integer.toHexString(flags) + "}";
		} else {
			return "FeatureInfo{" + Integer.toHexString(System.identityHashCode(this)) + " glEsVers=" + getGlEsVersion() + " fl=0x" + Integer.toHexString(flags) + "}";
		}
	}

	public int describeContents() {
		return 0;
	}

	/**
	 * This method extracts the major and minor version of reqGLEsVersion attribute
	 * and returns it as a string. Say reqGlEsVersion value of 0x00010002 is returned
	 * as 1.2
	 * @return String representation of the reqGlEsVersion attribute
	 */
	public String getGlEsVersion() {
		int major = ((reqGlEsVersion & 0xffff0000) >> 16);
		int minor = reqGlEsVersion & 0x0000ffff;
		return String.valueOf(major) + "." + String.valueOf(minor);
	}
}