Merge "Add long click listener to the widget picker activity" into main

package com.android.launcher3;

import static android.content.ClipDescription.MIMETYPE_TEXT_INTENT;

import static android.view.WindowInsets.Type.navigationBars;

import static android.view.WindowInsets.Type.statusBars;

import static com.android.launcher3.util.Executors.MODEL_EXECUTOR;

import android.appwidget.AppWidgetProviderInfo;

import android.content.ClipData;

import android.content.ClipDescription;

import android.content.Intent;

import android.os.Bundle;

import android.view.View;

/** An Activity that can host Launcher's widget picker. */

public class WidgetPickerActivity extends BaseActivity {

    /**

     * Name of the extra that indicates that a widget being dragged.

     *

     * <p>When set to "true" in the result of startActivityForResult, the client that launched the

     * picker knows that activity was closed due to pending drag.

     */

    private static final String EXTRA_IS_PENDING_WIDGET_DRAG = "is_pending_widget_drag";

    private SimpleDragLayer<WidgetPickerActivity> mDragLayer;

    private WidgetsModel mModel;

    private final PopupDataProvider mPopupDataProvider = new PopupDataProvider(i -> {});

        };

    }

    @Override

    public View.OnLongClickListener getAllAppsItemLongClickListener() {

        return view -> {

            if (!(view instanceof WidgetCell widgetCell)) return false;

            if (widgetCell.getWidgetView().getDrawable() == null

                    && widgetCell.getAppWidgetHostViewPreview() == null) {

                // The widget preview hasn't been loaded; so, we abort the drag.

                return false;

            }

            final AppWidgetProviderInfo info = widgetCell.getWidgetItem().widgetInfo;

            if (info == null || info.provider == null) {

                return false;

            }

            ClipData clipData = new ClipData(

                    new ClipDescription(

                            /* label= */ "", // not displayed anywhere; so, set to empty.

                            new String[]{MIMETYPE_TEXT_INTENT}

                    ),

                    new ClipData.Item(new Intent()

                            .putExtra(Intent.EXTRA_USER, info.getProfile())

                            .putExtra(Intent.EXTRA_COMPONENT_NAME, info.provider))

            );

            // Set result indicating activity was closed due a widget being dragged.

            setResult(RESULT_OK, new Intent()

                    .putExtra(EXTRA_IS_PENDING_WIDGET_DRAG, true));

            // DRAG_FLAG_GLOBAL permits dragging data beyond app window.

            return view.startDragAndDrop(

                    clipData,

                    new View.DragShadowBuilder(view),

                    /* myLocalState= */ null,

                    View.DRAG_FLAG_GLOBAL

            );

        };

    }

    private void refreshAndBindWidgets() {

        MODEL_EXECUTOR.execute(() -> {

            LauncherAppState app = LauncherAppState.getInstance(this);