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.Context;
  19 import android.content.Intent;
  20 import android.content.SharedPreferences;
  21 import android.content.pm.LauncherActivityInfo;
  22 import android.content.pm.LauncherApps;
  23 import android.os.AsyncTask;
  24 import android.os.Build;
  25 import android.os.Bundle;
  26 import android.os.Handler;
  27 import android.os.UserHandle;
  28 import android.os.UserManager;
  29 import android.support.design.widget.TabLayout;
  30 import android.support.v4.app.Fragment;
  31 import android.support.v4.app.FragmentManager;
  32 import android.support.v4.app.FragmentPagerAdapter;
  33 import android.support.v4.view.ViewPager;
  34 import android.support.v7.app.AppCompatActivity;
  35 import android.view.View;
  36 import android.view.WindowManager;
  37 import android.widget.ProgressBar;
  38
  39 import com.farmerbb.taskbar.R;
  40 import com.farmerbb.taskbar.activity.dark.SelectAppActivityDark;
  41 import com.farmerbb.taskbar.adapter.AppListAdapter;
  42 import com.farmerbb.taskbar.fragment.SelectAppFragment;
  43 import com.farmerbb.taskbar.util.Blacklist;
  44 import com.farmerbb.taskbar.util.BlacklistEntry;
  45 import com.farmerbb.taskbar.util.TopApps;
  46 import com.farmerbb.taskbar.util.U;
  47
  48 import java.text.Collator;
  49 import java.util.ArrayList;
  50 import java.util.Collections;
  51 import java.util.List;
  52
  53 public class SelectAppActivity extends AppCompatActivity {
  54
  55     private AppListGenerator appListGenerator;
  56     private ProgressBar progressBar;
  57     private AppListAdapter hiddenAdapter;
  58     private AppListAdapter topAppsAdapter;
  59
  60     private class SelectAppPagerAdapter extends FragmentPagerAdapter {
  61
  62         SelectAppPagerAdapter(FragmentManager fm) {
  63             super(fm);
  64         }
  65
  66         @Override
  67         public Fragment getItem(int position) {
  68             return SelectAppFragment.newInstance(position);
  69         }
  70
  71         @Override
  72         public int getCount() {
  73             return 2;
  74         }
  75
  76         @Override
  77         public CharSequence getPageTitle(int position) {
  78             switch(position) {
  79                 case U.HIDDEN:
  80                     return getString(R.string.blacklist_dialog_title);
  81                 case U.TOP_APPS:
  82                     return getString(R.string.top_apps_dialog_title);
  83             }
  84
  85             return null;
  86         }
  87     }
  88
  89     @Override
  90     protected void onCreate(Bundle savedInstanceState) {
  91         super.onCreate(savedInstanceState);
  92
  93         boolean noShadow = getIntent().hasExtra("no_shadow");
  94
  95         if(savedInstanceState == null) {
  96             setContentView(R.layout.configure_start_menu);
  97             setFinishOnTouchOutside(false);
  98             setTitle(R.string.start_menu_apps);
  99
 100             if(noShadow) {
 101                 WindowManager.LayoutParams params = getWindow().getAttributes();
 102                 params.dimAmount = 0;
 103                 getWindow().setAttributes(params);
 104
 105                 if(U.isChromeOs(this) && Build.VERSION.SDK_INT >= Build.VERSION_CODES.LOLLIPOP_MR1)
 106                     getWindow().setElevation(0);
 107             }
 108
 109             progressBar = findViewById(R.id.progress_bar);
 110             appListGenerator = new AppListGenerator();
 111             appListGenerator.execute();
 112         } else {
 113             // Workaround for ViewPager disappearing on config change
 114             finish();
 115
 116             if(!noShadow)
 117                 new Handler().post(() -> {
 118                     Intent intent = null;
 119                     SharedPreferences pref3 = U.getSharedPreferences(this);
 120
 121                     switch(pref3.getString("theme", "light")) {
 122                         case "light":
 123                             intent = new Intent(this, SelectAppActivity.class);
 124                             break;
 125                         case "dark":
 126                             intent = new Intent(this, SelectAppActivityDark.class);
 127                             break;
 128                     }
 129
 130                     startActivity(intent);
 131                 });
 132         }
 133     }
 134
 135     @Override
 136     public void finish() {
 137         if(appListGenerator != null && appListGenerator.getStatus() == AsyncTask.Status.RUNNING)
 138             appListGenerator.cancel(true);
 139
 140         super.finish();
 141     }
 142
 143     public AppListAdapter getAppListAdapter(int type) {
 144         switch(type) {
 145             case U.HIDDEN:
 146                 return hiddenAdapter;
 147             case U.TOP_APPS:
 148                 return topAppsAdapter;
 149         }
 150
 151         return null;
 152     }
 153
 154     private final class AppListGenerator extends AsyncTask<Void, Void, AppListAdapter[]> {
 155         @SuppressWarnings("Convert2streamapi")
 156         @Override
 157         protected AppListAdapter[] doInBackground(Void... params) {
 158             UserManager userManager = (UserManager) getSystemService(Context.USER_SERVICE);
 159             LauncherApps launcherApps = (LauncherApps) getSystemService(Context.LAUNCHER_APPS_SERVICE);
 160
 161             final List<UserHandle> userHandles = userManager.getUserProfiles();
 162             final List<LauncherActivityInfo> list = new ArrayList<>();
 163
 164             for(UserHandle handle : userHandles) {
 165                 list.addAll(launcherApps.getActivityList(null, handle));
 166             }
 167
 168             // Remove any uninstalled apps from the blacklist and top apps
 169             Blacklist blacklist = Blacklist.getInstance(SelectAppActivity.this);
 170             TopApps topApps = TopApps.getInstance(SelectAppActivity.this);
 171             List<String> blacklistedApps = new ArrayList<>();
 172             List<String> topAppsList = new ArrayList<>();
 173             List<String> installedApps = new ArrayList<>();
 174
 175             for(BlacklistEntry entry : blacklist.getBlockedApps()) {
 176                 blacklistedApps.add(entry.getPackageName());
 177             }
 178
 179             for(BlacklistEntry entry : topApps.getTopApps()) {
 180                 topAppsList.add(entry.getPackageName());
 181             }
 182
 183             for(LauncherActivityInfo appInfo : list) {
 184                 installedApps.add(appInfo.getApplicationInfo().packageName + "/" + appInfo.getName());
 185                 installedApps.add(appInfo.getName());
 186             }
 187
 188             for(String packageName : blacklistedApps) {
 189                 if(!installedApps.contains(packageName))
 190                     blacklist.removeBlockedApp(SelectAppActivity.this, packageName);
 191             }
 192
 193             for(String packageName : topAppsList) {
 194                 if(!installedApps.contains(packageName))
 195                     topApps.removeTopApp(SelectAppActivity.this, packageName);
 196             }
 197
 198             Collections.sort(list, (ai1, ai2) -> {
 199                 String label1;
 200                 String label2;
 201
 202                 try {
 203                     label1 = ai1.getLabel().toString();
 204                     label2 = ai2.getLabel().toString();
 205                 } catch (OutOfMemoryError e) {
 206                     System.gc();
 207
 208                     label1 = ai1.getApplicationInfo().packageName;
 209                     label2 = ai2.getApplicationInfo().packageName;
 210                 }
 211
 212                 return Collator.getInstance().compare(label1, label2);
 213             });
 214
 215             final List<BlacklistEntry> entries = new ArrayList<>();
 216             for(LauncherActivityInfo appInfo : list) {
 217                 String label;
 218
 219                 try {
 220                     label = appInfo.getLabel().toString();
 221                 } catch (OutOfMemoryError e) {
 222                     System.gc();
 223
 224                     label = appInfo.getApplicationInfo().packageName;
 225                 }
 226
 227                 entries.add(new BlacklistEntry(
 228                         appInfo.getApplicationInfo().packageName + "/" + appInfo.getName(),
 229                         label));
 230             }
 231
 232             return new AppListAdapter[] {
 233                     new AppListAdapter(SelectAppActivity.this, R.layout.row_blacklist, entries, U.HIDDEN),
 234                     new AppListAdapter(SelectAppActivity.this, R.layout.row_blacklist, entries, U.TOP_APPS)
 235             };
 236         }
 237
 238         @Override
 239         protected void onPostExecute(AppListAdapter[] adapters) {
 240             hiddenAdapter = adapters[U.HIDDEN];
 241             topAppsAdapter = adapters[U.TOP_APPS];
 242
 243             SelectAppPagerAdapter pagerAdapter = new SelectAppPagerAdapter(getSupportFragmentManager());
 244             ViewPager viewPager = findViewById(R.id.pager);
 245             viewPager.setAdapter(pagerAdapter);
 246
 247             TabLayout tabLayout = findViewById(R.id.sliding_tabs);
 248             tabLayout.setupWithViewPager(viewPager);
 249
 250             findViewById(R.id.configure_start_menu_layout).setVisibility(View.VISIBLE);
 251             progressBar.setVisibility(View.GONE);
 252             setFinishOnTouchOutside(true);
 253         }
 254     }
 255 }