src/com/android/settings/dashboard/DashboardFeatureProvider.java

/*
 * Copyright (C) 2016 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.settings.dashboard;

import android.app.Activity;
import android.content.Context;
import android.support.v7.preference.Preference;

import com.android.settingslib.drawer.DashboardCategory;
import com.android.settingslib.drawer.Tile;

import java.util.List;

/**
 * FeatureProvider for dashboard (aka settings homepage).
 */
public interface DashboardFeatureProvider {

    /**
     * Whether or not this feature is enabled.
     */
    boolean isEnabled();

    /**
     * Get tiles (wrapped in {@link DashboardCategory}) for key defined in CategoryKey.
     */
    DashboardCategory getTilesForCategory(String key);

    /**
     * Get all tiles, grouped by category.
     */
    List<DashboardCategory> getAllCategories();

    /**
     * Returns a priority group for tile. priority level is grouped into hundreds. tiles with
     * priority 100 - 199 belongs to priority level 100, tiles with priority 200 - 299 is in
     * group 200, and so on.
     */
    int getPriorityGroup(Preference preference);

    /**
     * Returns an unique string key for the tile.
     */
    String getDashboardKeyForTile(Tile tile);

    /**
     * Binds preference to data provided by tile.
     *
     * @param activity If tile contains intent to launch, it will be launched from this activity
     * @param pref The preference to bind data
     * @param tile The binding data
     * @param key They key for preference. If null, we will generate one from tile data
     * @param baseOrder The order offset value. When binding, pref's order is determined by
     * both this value and tile's own priority.
     */
    void bindPreferenceToTile(Activity activity, Preference pref, Tile tile, String key,
            int baseOrder);

    /**
     * Returns a {@link ProgressiveDisclosureMixin} for specified fragment.
     */
    ProgressiveDisclosureMixin getProgressiveDisclosureMixin(Context context,
            DashboardFragment fragment);

}