/*
 * Copyright (C) 2018 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.quickstep;

import static com.android.launcher3.util.MainThreadInitializedObject.forOverride;

import android.graphics.Matrix;
import android.view.View;

import com.android.launcher3.BaseActivity;
import com.android.launcher3.BaseDraggingActivity;
import com.android.launcher3.R;
import com.android.launcher3.util.MainThreadInitializedObject;
import com.android.launcher3.util.ResourceBasedOverride;
import com.android.quickstep.views.TaskThumbnailView;
import com.android.quickstep.views.TaskView;
import com.android.systemui.shared.recents.model.Task;
import com.android.systemui.shared.recents.model.ThumbnailData;

import java.util.ArrayList;
import java.util.List;

/**
 * Factory class to create and add an overlays on the TaskView
 */
public class TaskOverlayFactory implements ResourceBasedOverride {

    /** Note that these will be shown in order from top to bottom, if available for the task. */
    private static final TaskSystemShortcut[] MENU_OPTIONS = new TaskSystemShortcut[]{
            new TaskSystemShortcut.AppInfo(),
            new TaskSystemShortcut.SplitScreen(),
            new TaskSystemShortcut.Pin(),
            new TaskSystemShortcut.Install(),
            new TaskSystemShortcut.Freeform()
    };

    public static final MainThreadInitializedObject<TaskOverlayFactory> INSTANCE =
            forOverride(TaskOverlayFactory.class, R.string.task_overlay_factory_class);

    public List<TaskSystemShortcut> getEnabledShortcuts(TaskView taskView) {
        final ArrayList<TaskSystemShortcut> shortcuts = new ArrayList<>();
        final BaseDraggingActivity activity = BaseActivity.fromContext(taskView.getContext());
        for (TaskSystemShortcut menuOption : MENU_OPTIONS) {
            View.OnClickListener onClickListener =
                    menuOption.getOnClickListener(activity, taskView);
            if (onClickListener != null) {
                shortcuts.add(menuOption);
            }
        }
        return shortcuts;
    }

    public TaskOverlay createOverlay(TaskThumbnailView thumbnailView) {
        return new TaskOverlay();
    }

    public static class TaskOverlay {

        /**
         * Called when the current task is interactive for the user
         */
        public void initOverlay(Task task, ThumbnailData thumbnail, Matrix matrix) { }

        /**
         * Called when the overlay is no longer used.
         */
        public void reset() { }
    }
}