packages/SettingsLib/src/com/android/settingslib/drawer/Tile.java

/**
 * 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.settingslib.drawer;

import android.content.Intent;
import android.graphics.drawable.Icon;
import android.os.Bundle;
import android.os.Parcel;
import android.os.Parcelable;
import android.os.UserHandle;
import android.text.TextUtils;

import java.util.ArrayList;

/**
 * Description of a single dashboard tile that the user can select.
 */
public class Tile implements Parcelable {

    /**
     * Title of the tile that is shown to the user.
     * @attr ref android.R.styleable#PreferenceHeader_title
     */
    public CharSequence title;

    /**
     * Optional summary describing what this tile controls.
     * @attr ref android.R.styleable#PreferenceHeader_summary
     */
    public CharSequence summary;

    /**
     * Optional icon to show for this tile.
     * @attr ref android.R.styleable#PreferenceHeader_icon
     */
    public Icon icon;

    /**
     * Intent to launch when the preference is selected.
     */
    public Intent intent;

    /**
     * Optional list of user handles which the intent should be launched on.
     */
    public ArrayList<UserHandle> userHandle = new ArrayList<>();

    /**
     * Optional additional data for use by subclasses of the activity
     */
    public Bundle extras;

    /**
     * Category in which the tile should be placed.
     */
    public String category;

    /**
     * Priority of the intent filter that created this tile, used for display ordering.
     */
    public int priority;

    /**
     * The metaData from the activity that defines this tile.
     */
    public Bundle metaData;

    public Tile() {
        // Empty
    }

    @Override
    public int describeContents() {
        return 0;
    }

    @Override
    public void writeToParcel(Parcel dest, int flags) {
        TextUtils.writeToParcel(title, dest, flags);
        TextUtils.writeToParcel(summary, dest, flags);
        if (icon != null) {
            dest.writeByte((byte) 1);
            icon.writeToParcel(dest, flags);
        } else {
            dest.writeByte((byte) 0);
        }
        if (intent != null) {
            dest.writeByte((byte) 1);
            intent.writeToParcel(dest, flags);
        } else {
            dest.writeByte((byte) 0);
        }
        final int N = userHandle.size();
        dest.writeInt(N);
        for (int i = 0; i < N; i++) {
            userHandle.get(i).writeToParcel(dest, flags);
        }
        dest.writeBundle(extras);
        dest.writeString(category);
        dest.writeInt(priority);
        dest.writeBundle(metaData);
    }

    public void readFromParcel(Parcel in) {
        title = TextUtils.CHAR_SEQUENCE_CREATOR.createFromParcel(in);
        summary = TextUtils.CHAR_SEQUENCE_CREATOR.createFromParcel(in);
        if (in.readByte() != 0) {
            icon = Icon.CREATOR.createFromParcel(in);
        }
        if (in.readByte() != 0) {
            intent = Intent.CREATOR.createFromParcel(in);
        }
        final int N = in.readInt();
        for (int i = 0; i < N; i++) {
            userHandle.add(UserHandle.CREATOR.createFromParcel(in));
        }
        extras = in.readBundle();
        category = in.readString();
        priority = in.readInt();
        metaData = in.readBundle();
    }

    Tile(Parcel in) {
        readFromParcel(in);
    }

    public static final Creator<Tile> CREATOR = new Creator<Tile>() {
        public Tile createFromParcel(Parcel source) {
            return new Tile(source);
        }
        public Tile[] newArray(int size) {
            return new Tile[size];
        }
    };
}