app/src/main/java/com/farmerbb/taskbar/activity/SelectAppActivity.java

   1 /* Copyright 2016 Braden Farmer
   2  *
   3  * Licensed under the Apache License, Version 2.0 (the "License");
   4  * you may not use this file except in compliance with the License.
   5  * You may obtain a copy of the License at
   6  *
   7  *     http://www.apache.org/licenses/LICENSE-2.0
   8  *
   9  * Unless required by applicable law or agreed to in writing, software
  10  * distributed under the License is distributed on an "AS IS" BASIS,
  11  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
  12  * See the License for the specific language governing permissions and
  13  * limitations under the License.
  14  */
  15
  16 package com.farmerbb.taskbar.activity;
  17
  18 import android.content.Intent;
  19 import android.content.SharedPreferences;
  20 import android.content.pm.PackageManager;
  21 import android.content.pm.ResolveInfo;
  22 import android.os.AsyncTask;
  23 import android.os.Build;
  24 import android.os.Bundle;
  25 import android.os.Handler;
  26 import android.support.design.widget.TabLayout;
  27 import android.support.v4.app.Fragment;
  28 import android.support.v4.app.FragmentManager;
  29 import android.support.v4.app.FragmentPagerAdapter;
  30 import android.support.v4.view.ViewPager;
  31 import android.support.v7.app.AppCompatActivity;
  32 import android.view.View;
  33 import android.view.WindowManager;
  34 import android.widget.ProgressBar;
  35
  36 import com.farmerbb.taskbar.R;
  37 import com.farmerbb.taskbar.activity.dark.SelectAppActivityDark;
  38 import com.farmerbb.taskbar.adapter.AppListAdapter;
  39 import com.farmerbb.taskbar.fragment.SelectAppFragment;
  40 import com.farmerbb.taskbar.util.Blacklist;
  41 import com.farmerbb.taskbar.util.BlacklistEntry;
  42 import com.farmerbb.taskbar.util.TopApps;
  43 import com.farmerbb.taskbar.util.U;
  44
  45 import java.text.Collator;
  46 import java.util.ArrayList;
  47 import java.util.Collections;
  48 import java.util.List;
  49
  50 public class SelectAppActivity extends AppCompatActivity {
  51
  52     private AppListGenerator appListGenerator;
  53     private ProgressBar progressBar;
  54     private AppListAdapter hiddenAdapter;
  55     private AppListAdapter topAppsAdapter;
  56
  57     private class SelectAppPagerAdapter extends FragmentPagerAdapter {
  58
  59         SelectAppPagerAdapter(FragmentManager fm) {
  60             super(fm);
  61         }
  62
  63         @Override
  64         public Fragment getItem(int position) {
  65             return SelectAppFragment.newInstance(position);
  66         }
  67
  68         @Override
  69         public int getCount() {
  70             return 2;
  71         }
  72
  73         @Override
  74         public CharSequence getPageTitle(int position) {
  75             switch(position) {
  76                 case U.HIDDEN:
  77                     return getString(R.string.blacklist_dialog_title);
  78                 case U.TOP_APPS:
  79                     return getString(R.string.top_apps_dialog_title);
  80             }
  81
  82             return null;
  83         }
  84     }
  85
  86     @Override
  87     protected void onCreate(Bundle savedInstanceState) {
  88         super.onCreate(savedInstanceState);
  89
  90         boolean noShadow = getIntent().hasExtra("no_shadow");
  91
  92         if(savedInstanceState == null) {
  93             setContentView(R.layout.configure_start_menu);
  94             setFinishOnTouchOutside(false);
  95             setTitle(R.string.start_menu_apps);
  96
  97             if(noShadow) {
  98                 WindowManager.LayoutParams params = getWindow().getAttributes();
  99                 params.dimAmount = 0;
 100                 getWindow().setAttributes(params);
 101
 102                 if(U.isChromeOs(this) && Build.VERSION.SDK_INT >= Build.VERSION_CODES.LOLLIPOP_MR1)
 103                     getWindow().setElevation(0);
 104             }
 105
 106             progressBar = U.findViewById(this, R.id.progress_bar);
 107             appListGenerator = new AppListGenerator();
 108             appListGenerator.execute();
 109         } else {
 110             // Workaround for ViewPager disappearing on config change
 111             finish();
 112
 113             if(!noShadow)
 114                 new Handler().post(() -> {
 115                     Intent intent = null;
 116                     SharedPreferences pref3 = U.getSharedPreferences(SelectAppActivity.this);
 117
 118                     switch(pref3.getString("theme", "light")) {
 119                         case "light":
 120                             intent = new Intent(SelectAppActivity.this, SelectAppActivity.class);
 121                             break;
 122                         case "dark":
 123                             intent = new Intent(SelectAppActivity.this, SelectAppActivityDark.class);
 124                             break;
 125                     }
 126
 127                     startActivity(intent);
 128                 });
 129         }
 130     }
 131
 132     @Override
 133     public void finish() {
 134         if(appListGenerator != null && appListGenerator.getStatus() == AsyncTask.Status.RUNNING)
 135             appListGenerator.cancel(true);
 136
 137         super.finish();
 138     }
 139
 140     public AppListAdapter getAppListAdapter(int type) {
 141         switch(type) {
 142             case U.HIDDEN:
 143                 return hiddenAdapter;
 144             case U.TOP_APPS:
 145                 return topAppsAdapter;
 146         }
 147
 148         return null;
 149     }
 150
 151     private final class AppListGenerator extends AsyncTask<Void, Void, AppListAdapter[]> {
 152         @SuppressWarnings("Convert2streamapi")
 153         @Override
 154         protected AppListAdapter[] doInBackground(Void... params) {
 155             final PackageManager pm = getPackageManager();
 156
 157             Intent intent = new Intent(Intent.ACTION_MAIN);
 158             intent.addCategory(Intent.CATEGORY_LAUNCHER);
 159
 160             List<ResolveInfo> list = pm.queryIntentActivities(intent, 0);
 161
 162             // Remove any uninstalled apps from the blacklist and top apps
 163             Blacklist blacklist = Blacklist.getInstance(SelectAppActivity.this);
 164             TopApps topApps = TopApps.getInstance(SelectAppActivity.this);
 165             List<String> blacklistedApps = new ArrayList<>();
 166             List<String> topAppsList = new ArrayList<>();
 167             List<String> installedApps = new ArrayList<>();
 168
 169             for(BlacklistEntry entry : blacklist.getBlockedApps()) {
 170                blacklistedApps.add(entry.getPackageName());
 171             }
 172
 173             for(BlacklistEntry entry : topApps.getTopApps()) {
 174                 topAppsList.add(entry.getPackageName());
 175             }
 176
 177             for(ResolveInfo appInfo : list) {
 178                 installedApps.add(appInfo.activityInfo.packageName + "/" + appInfo.activityInfo.name);
 179                 installedApps.add(appInfo.activityInfo.name);
 180             }
 181
 182             for(String packageName : blacklistedApps) {
 183                 if(!installedApps.contains(packageName))
 184                     blacklist.removeBlockedApp(SelectAppActivity.this, packageName);
 185             }
 186
 187             for(String packageName : topAppsList) {
 188                 if(!installedApps.contains(packageName))
 189                     topApps.removeTopApp(SelectAppActivity.this, packageName);
 190             }
 191
 192             Collections.sort(list, (ai1, ai2) -> {
 193                 String label1;
 194                 String label2;
 195
 196                 try {
 197                     label1 = ai1.activityInfo.loadLabel(pm).toString();
 198                     label2 = ai2.activityInfo.loadLabel(pm).toString();
 199                 } catch (OutOfMemoryError e) {
 200                     System.gc();
 201
 202                     label1 = ai1.activityInfo.packageName;
 203                     label2 = ai2.activityInfo.packageName;
 204                 }
 205
 206                 return Collator.getInstance().compare(label1, label2);
 207             });
 208
 209             final List<BlacklistEntry> entries = new ArrayList<>();
 210             for(ResolveInfo appInfo : list) {
 211                 String label;
 212
 213                 try {
 214                     label = appInfo.loadLabel(pm).toString();
 215                 } catch (OutOfMemoryError e) {
 216                     System.gc();
 217
 218                     label = appInfo.activityInfo.packageName;
 219                 }
 220
 221                 entries.add(new BlacklistEntry(
 222                         appInfo.activityInfo.packageName + "/" + appInfo.activityInfo.name,
 223                         label));
 224             }
 225
 226             return new AppListAdapter[] {
 227                     new AppListAdapter(SelectAppActivity.this, R.layout.row_blacklist, entries, U.HIDDEN),
 228                     new AppListAdapter(SelectAppActivity.this, R.layout.row_blacklist, entries, U.TOP_APPS)
 229             };
 230         }
 231
 232         @Override
 233         protected void onPostExecute(AppListAdapter[] adapters) {
 234             hiddenAdapter = adapters[U.HIDDEN];
 235             topAppsAdapter = adapters[U.TOP_APPS];
 236
 237             SelectAppPagerAdapter pagerAdapter = new SelectAppPagerAdapter(getSupportFragmentManager());
 238             ViewPager viewPager = U.findViewById(SelectAppActivity.this, R.id.pager);
 239             viewPager.setAdapter(pagerAdapter);
 240
 241             TabLayout tabLayout = U.findViewById(SelectAppActivity.this, R.id.sliding_tabs);
 242             tabLayout.setupWithViewPager(viewPager);
 243
 244             findViewById(R.id.configure_start_menu_layout).setVisibility(View.VISIBLE);
 245             progressBar.setVisibility(View.GONE);
 246             setFinishOnTouchOutside(true);
 247         }
 248     }
 249 }