DO NOT MERGE sysui: remove shelf

/*

 * 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.systemui.statusbar.phone;

import android.app.AppGlobals;

import android.content.pm.ActivityInfo;

import android.content.pm.IPackageManager;

import android.content.pm.PackageManager;

import android.graphics.Bitmap;

import android.graphics.Canvas;

import android.graphics.Color;

import android.graphics.Paint;

import android.graphics.Typeface;

import android.graphics.drawable.BitmapDrawable;

import android.graphics.drawable.Drawable;

import android.os.AsyncTask;

import android.os.RemoteException;

import android.util.Slog;

import android.widget.ImageView;

/**

 * Retrieves the icon for an activity and sets it as the Drawable on an ImageView. The ImageView

 * is hidden if the activity isn't recognized or if there is no icon.

 */

class GetActivityIconTask extends AsyncTask<AppButtonData, Void, Drawable> {

    private final static String TAG = "GetActivityIconTask";

    private final PackageManager mPackageManager;

    // The ImageView that will receive the icon.

    private final ImageView mImageView;

    public GetActivityIconTask(PackageManager packageManager, ImageView imageView) {

        mPackageManager = packageManager;

        mImageView = imageView;

    }

    @Override

    protected Drawable doInBackground(AppButtonData... params) {

        if (params.length != 1) {

            throw new IllegalArgumentException("Expected one parameter");

        }

        AppButtonData buttonData = params[0];

        AppInfo appInfo = buttonData.appInfo;

        try {

            IPackageManager mPM = AppGlobals.getPackageManager();

            ActivityInfo ai = mPM.getActivityInfo(

                    appInfo.getComponentName(),

                    0,

                    appInfo.getUser().getIdentifier());

            if (ai == null) {

                Slog.w(TAG, "Icon not found for " + appInfo);

                return null;

            }

            Drawable unbadgedIcon = ai.loadIcon(mPackageManager);

            Drawable badgedIcon =

                    mPackageManager.getUserBadgedIcon(unbadgedIcon, appInfo.getUser());

            if (NavigationBarApps.DEBUG) {

                // Draw pinned indicator and number of running tasks.

                Bitmap bitmap = Bitmap.createBitmap(

                        badgedIcon.getIntrinsicWidth(),

                        badgedIcon.getIntrinsicHeight(),

                        Bitmap.Config.ARGB_8888);

                Canvas canvas = new Canvas(bitmap);

                badgedIcon.setBounds(

                        0, 0, badgedIcon.getIntrinsicWidth(), badgedIcon.getIntrinsicHeight());

                badgedIcon.draw(canvas);

                Paint paint = new Paint();

                paint.setStyle(Paint.Style.FILL);

                if (buttonData.pinned) {

                    paint.setColor(Color.WHITE);

                    canvas.drawCircle(10, 10, 10, paint);

                }

                if (buttonData.tasks != null && buttonData.tasks.size() > 0) {

                    paint.setColor(Color.BLACK);

                    canvas.drawCircle(60, 30, 30, paint);

                    paint.setColor(Color.WHITE);

                    paint.setTextSize(50);

                    paint.setTypeface(Typeface.create("sans-serif", Typeface.BOLD));

                    canvas.drawText(Integer.toString(buttonData.tasks.size()), 50, 50, paint);

                }

                badgedIcon = new BitmapDrawable(null, bitmap);

            }

            return  badgedIcon;

        } catch (RemoteException e) {

            Slog.w(TAG, "Icon not found for " + appInfo, e);

            return null;

        }

    }

    @Override

    protected void onPostExecute(Drawable icon) {

        mImageView.setImageDrawable(icon);

    }

}