package android.content.pm;

import android.os.Parcel;
import android.os.Parcelable;

/**
 * Overall information about the contents of a package.  This corresponds
 * to all of the information collected from AndroidManifest.xml.
 */
public class PackageInfo implements Parcelable {
    /**
     * The name of this package.  From the <manifest> tag's "name"
     * attribute.
     */
    public String packageName;

    /**
     * The version number of this package, as specified by the <manifest>
     * tag's {@link android.R.styleable#AndroidManifest_versionCode versionCode}
     * attribute.
     */
    public int versionCode;
    
    /**
     * The version name of this package, as specified by the <manifest>
     * tag's {@link android.R.styleable#AndroidManifest_versionName versionName}
     * attribute.
     */
    public String versionName;
    
    /**
     * The shared user ID name of this package, as specified by the <manifest>
     * tag's {@link android.R.styleable#AndroidManifest_sharedUserId sharedUserId}
     * attribute.
     */
    public String sharedUserId;
    
    /**
     * The shared user ID label of this package, as specified by the <manifest>
     * tag's {@link android.R.styleable#AndroidManifest_sharedUserLabel sharedUserLabel}
     * attribute.
     */
    public int sharedUserLabel;
    
    /**
     * Information collected from the <application> tag, or null if
     * there was none.
     */
    public ApplicationInfo applicationInfo;
    
    /**
     * All kernel group-IDs that have been assigned to this package.
     * This is only filled in if the flag {@link PackageManager#GET_GIDS} was set.
     */
    public int[] gids;

    /**
     * Array of all {@link android.R.styleable#AndroidManifestActivity
     * <activity>} tags included under <application>,
     * or null if there were none.  This is only filled in if the flag
     * {@link PackageManager#GET_ACTIVITIES} was set.
     */
    public ActivityInfo[] activities;

    /**
     * Array of all {@link android.R.styleable#AndroidManifestReceiver
     * <receiver>} tags included under <application>,
     * or null if there were none.  This is only filled in if the flag
     * {@link PackageManager#GET_RECEIVERS} was set.
     */
    public ActivityInfo[] receivers;

    /**
     * Array of all {@link android.R.styleable#AndroidManifestService
     * <service>} tags included under <application>,
     * or null if there were none.  This is only filled in if the flag
     * {@link PackageManager#GET_SERVICES} was set.
     */
    public ServiceInfo[] services;

    /**
     * Array of all {@link android.R.styleable#AndroidManifestProvider
     * <provider>} tags included under <application>,
     * or null if there were none.  This is only filled in if the flag
     * {@link PackageManager#GET_PROVIDERS} was set.
     */
    public ProviderInfo[] providers;

    /**
     * Array of all {@link android.R.styleable#AndroidManifestInstrumentation
     * <instrumentation>} tags included under <manifest>,
     * or null if there were none.  This is only filled in if the flag
     * {@link PackageManager#GET_INSTRUMENTATION} was set.
     */
    public InstrumentationInfo[] instrumentation;
    
    /**
     * Array of all {@link android.R.styleable#AndroidManifestPermission
     * <permission>} tags included under <manifest>,
     * or null if there were none.  This is only filled in if the flag
     * {@link PackageManager#GET_PERMISSIONS} was set.
     */
    public PermissionInfo[] permissions;
    
    /**
     * Array of all {@link android.R.styleable#AndroidManifestUsesPermission
     * <uses-permission>} tags included under <manifest>,
     * or null if there were none.  This is only filled in if the flag
     * {@link PackageManager#GET_PERMISSIONS} was set.  This list includes
     * all permissions requested, even those that were not granted or known
     * by the system at install time.
     */
    public String[] requestedPermissions;
    
    /**
     * Array of all signatures read from the package file.  This is only filled
     * in if the flag {@link PackageManager#GET_SIGNATURES} was set.
     */
    public Signature[] signatures;
    
    /**
     * Application specified preferred configuration
     * {@link android.R.styleable#AndroidManifestUsesConfiguration
     * <uses-configuration>} tags included under <manifest>,
     * or null if there were none. This is only filled in if the flag
     * {@link PackageManager#GET_CONFIGURATIONS} was set.  
     */
    public ConfigurationInfo[] configPreferences;

    public PackageInfo() {
    }

    public String toString() {
        return "PackageInfo{"
            + Integer.toHexString(System.identityHashCode(this))
            + " " + packageName + "}";
    }

    public int describeContents() {
        return 0;
    }

    public void writeToParcel(Parcel dest, int parcelableFlags) {
        dest.writeString(packageName);
        dest.writeInt(versionCode);
        dest.writeString(versionName);
        dest.writeString(sharedUserId);
        dest.writeInt(sharedUserLabel);
        if (applicationInfo != null) {
            dest.writeInt(1);
            applicationInfo.writeToParcel(dest, parcelableFlags);
        } else {
            dest.writeInt(0);
        }
        dest.writeIntArray(gids);
        dest.writeTypedArray(activities, parcelableFlags);
        dest.writeTypedArray(receivers, parcelableFlags);
        dest.writeTypedArray(services, parcelableFlags);
        dest.writeTypedArray(providers, parcelableFlags);
        dest.writeTypedArray(instrumentation, parcelableFlags);
        dest.writeTypedArray(permissions, parcelableFlags);
        dest.writeStringArray(requestedPermissions);
        dest.writeTypedArray(signatures, parcelableFlags);
        dest.writeTypedArray(configPreferences, parcelableFlags);
    }

    public static final Parcelable.Creator<PackageInfo> CREATOR
            = new Parcelable.Creator<PackageInfo>() {
        public PackageInfo createFromParcel(Parcel source) {
            return new PackageInfo(source);
        }

        public PackageInfo[] newArray(int size) {
            return new PackageInfo[size];
        }
    };

    private PackageInfo(Parcel source) {
        packageName = source.readString();
        versionCode = source.readInt();
        versionName = source.readString();
        sharedUserId = source.readString();
        sharedUserLabel = source.readInt();
        int hasApp = source.readInt();
        if (hasApp != 0) {
            applicationInfo = ApplicationInfo.CREATOR.createFromParcel(source);
        }
        gids = source.createIntArray();
        activities = source.createTypedArray(ActivityInfo.CREATOR);
        receivers = source.createTypedArray(ActivityInfo.CREATOR);
        services = source.createTypedArray(ServiceInfo.CREATOR);
        providers = source.createTypedArray(ProviderInfo.CREATOR);
        instrumentation = source.createTypedArray(InstrumentationInfo.CREATOR);
        permissions = source.createTypedArray(PermissionInfo.CREATOR);
        requestedPermissions = source.createStringArray();
        signatures = source.createTypedArray(Signature.CREATOR);
        configPreferences = source.createTypedArray(ConfigurationInfo.CREATOR);
    }
}