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

   1 /* Based on code by Leonardo Fischer
   2  * See https://github.com/lgfischer/WidgetHostExample
   3  *
   4  * Copyright 2016 Braden Farmer
   5  *
   6  * Licensed under the Apache License, Version 2.0 (the "License");
   7  * you may not use this file except in compliance with the License.
   8  * You may obtain a copy of the License at
   9  *
  10  *     http://www.apache.org/licenses/LICENSE-2.0
  11  *
  12  * Unless required by applicable law or agreed to in writing, software
  13  * distributed under the License is distributed on an "AS IS" BASIS,
  14  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
  15  * See the License for the specific language governing permissions and
  16  * limitations under the License.
  17  */
  18
  19 package com.farmerbb.taskbar.activity;
  20
  21 import android.app.Activity;
  22 import android.app.AlertDialog;
  23 import android.appwidget.AppWidgetHost;
  24 import android.appwidget.AppWidgetManager;
  25 import android.appwidget.AppWidgetProviderInfo;
  26 import android.content.ActivityNotFoundException;
  27 import android.content.BroadcastReceiver;
  28 import android.content.Context;
  29 import android.content.DialogInterface;
  30 import android.content.Intent;
  31 import android.content.IntentFilter;
  32 import android.hardware.display.DisplayManager;
  33 import android.os.Bundle;
  34 import android.support.v4.content.LocalBroadcastManager;
  35 import android.view.Display;
  36 import android.view.KeyEvent;
  37 import android.view.MotionEvent;
  38 import android.view.WindowManager;
  39 import android.widget.FrameLayout;
  40 import android.widget.LinearLayout;
  41
  42 import com.farmerbb.taskbar.R;
  43 import com.farmerbb.taskbar.util.U;
  44
  45 public class DashboardActivity extends Activity {
  46
  47     private AppWidgetManager mAppWidgetManager;
  48     private AppWidgetHost mAppWidgetHost;
  49
  50     int REQUEST_PICK_APPWIDGET = 456;
  51     int REQUEST_CREATE_APPWIDGET = 789;
  52
  53     boolean shouldFinish = true;
  54
  55     int cellId = -1;
  56
  57     private BroadcastReceiver addWidgetReceiver = new BroadcastReceiver() {
  58         @Override
  59         public void onReceive(Context context, Intent intent) {
  60             mAppWidgetManager = AppWidgetManager.getInstance(context);
  61             mAppWidgetHost = new AppWidgetHost(context, intent.getIntExtra("appWidgetId", -1));
  62             cellId = intent.getIntExtra("cellId", -1);
  63
  64             int appWidgetId = mAppWidgetHost.allocateAppWidgetId();
  65             Intent pickIntent = new Intent(AppWidgetManager.ACTION_APPWIDGET_PICK);
  66             pickIntent.putExtra(AppWidgetManager.EXTRA_APPWIDGET_ID, appWidgetId);
  67
  68             try {
  69                 startActivityForResult(pickIntent, REQUEST_PICK_APPWIDGET);
  70             } catch (ActivityNotFoundException e) {
  71                 U.showToast(DashboardActivity.this, R.string.lock_device_not_supported);
  72                 finish();
  73             }
  74
  75             shouldFinish = false;
  76         }
  77     };
  78
  79     private BroadcastReceiver removeWidgetReceiver = new BroadcastReceiver() {
  80         @Override
  81         public void onReceive(final Context context, Intent intent) {
  82             cellId = intent.getIntExtra("cellId", -1);
  83
  84             AlertDialog.Builder builder = new AlertDialog.Builder(DashboardActivity.this);
  85             builder.setTitle(R.string.remove_widget)
  86                     .setMessage(R.string.are_you_sure)
  87                     .setNegativeButton(R.string.action_cancel, new DialogInterface.OnClickListener() {
  88                         @Override
  89                         public void onClick(DialogInterface dialog, int which) {
  90                             LocalBroadcastManager.getInstance(DashboardActivity.this).sendBroadcast(new Intent("com.farmerbb.taskbar.REMOVE_WIDGET_COMPLETED"));
  91
  92                             shouldFinish = true;
  93                         }
  94                     })
  95                     .setPositiveButton(R.string.action_ok, new DialogInterface.OnClickListener() {
  96                         @Override
  97                         public void onClick(DialogInterface dialog, int which) {
  98                             Intent intent = new Intent("com.farmerbb.taskbar.REMOVE_WIDGET_COMPLETED");
  99                             intent.putExtra("cellId", cellId);
 100                             LocalBroadcastManager.getInstance(DashboardActivity.this).sendBroadcast(intent);
 101
 102                             shouldFinish = true;
 103                         }
 104                     });
 105
 106             AlertDialog dialog = builder.create();
 107             dialog.show();
 108             dialog.setCancelable(false);
 109
 110             shouldFinish = false;
 111         }
 112     };
 113
 114     private BroadcastReceiver finishReceiver = new BroadcastReceiver() {
 115         @Override
 116         public void onReceive(Context context, Intent intent) {
 117             finish();
 118         }
 119     };
 120
 121     @SuppressWarnings("deprecation")
 122     @Override
 123     protected void onCreate(Bundle savedInstanceState) {
 124         super.onCreate(savedInstanceState);
 125
 126         // Detect outside touches, and finish the activity when one is detected
 127         getWindow().setFlags(WindowManager.LayoutParams.FLAG_NOT_TOUCH_MODAL, WindowManager.LayoutParams.FLAG_NOT_TOUCH_MODAL);
 128         getWindow().setFlags(WindowManager.LayoutParams.FLAG_WATCH_OUTSIDE_TOUCH, WindowManager.LayoutParams.FLAG_WATCH_OUTSIDE_TOUCH);
 129
 130         DisplayManager dm = (DisplayManager) getSystemService(DISPLAY_SERVICE);
 131         Display display = dm.getDisplay(Display.DEFAULT_DISPLAY);
 132
 133         setContentView(R.layout.incognito);
 134
 135         LinearLayout layout = (LinearLayout) findViewById(R.id.incognitoLayout);
 136         layout.setLayoutParams(new FrameLayout.LayoutParams(display.getWidth(), display.getHeight()));
 137
 138         LocalBroadcastManager.getInstance(this).registerReceiver(addWidgetReceiver, new IntentFilter("com.farmerbb.taskbar.ADD_WIDGET_REQUESTED"));
 139         LocalBroadcastManager.getInstance(this).registerReceiver(removeWidgetReceiver, new IntentFilter("com.farmerbb.taskbar.REMOVE_WIDGET_REQUESTED"));
 140         LocalBroadcastManager.getInstance(this).registerReceiver(finishReceiver, new IntentFilter("com.farmerbb.taskbar.DASHBOARD_DISAPPEARING"));
 141     }
 142
 143     @Override
 144     public boolean onTouchEvent(MotionEvent event) {
 145         if(event.getAction() == MotionEvent.ACTION_DOWN || event.getAction() == MotionEvent.ACTION_OUTSIDE) onBackPressed();
 146         return super.onTouchEvent(event);
 147     }
 148
 149     @Override
 150     public void onBackPressed() {
 151         LocalBroadcastManager.getInstance(this).sendBroadcast(new Intent("com.farmerbb.taskbar.HIDE_DASHBOARD"));
 152     }
 153
 154     @Override
 155     public boolean dispatchKeyShortcutEvent(KeyEvent event) {
 156         if(event.getAction() == KeyEvent.ACTION_DOWN) {
 157             event.getKeyCode();
 158
 159             return true;
 160         }
 161         return super.dispatchKeyShortcutEvent(event);
 162     }
 163
 164     @Override
 165     protected void onPause() {
 166         super.onPause();
 167
 168         if(shouldFinish)
 169             onBackPressed();
 170     }
 171
 172     @Override
 173     protected void onDestroy() {
 174         super.onDestroy();
 175
 176         LocalBroadcastManager.getInstance(this).unregisterReceiver(addWidgetReceiver);
 177         LocalBroadcastManager.getInstance(this).unregisterReceiver(removeWidgetReceiver);
 178         LocalBroadcastManager.getInstance(this).unregisterReceiver(finishReceiver);
 179     }
 180
 181     @Override
 182     protected void onActivityResult(int requestCode, int resultCode, Intent data) {
 183         if(resultCode == RESULT_OK) {
 184             if(requestCode == REQUEST_PICK_APPWIDGET) {
 185                 configureWidget(data);
 186             } else if(requestCode == REQUEST_CREATE_APPWIDGET) {
 187                 createWidget(data);
 188             }
 189         } else if(resultCode == RESULT_CANCELED && data != null) {
 190             int appWidgetId = data.getIntExtra(AppWidgetManager.EXTRA_APPWIDGET_ID, -1);
 191             if(appWidgetId != -1) {
 192                 mAppWidgetHost.deleteAppWidgetId(appWidgetId);
 193             }
 194
 195             LocalBroadcastManager.getInstance(this).sendBroadcast(new Intent("com.farmerbb.taskbar.ADD_WIDGET_COMPLETED"));
 196
 197             shouldFinish = true;
 198         }
 199     }
 200
 201     private void configureWidget(Intent data) {
 202         Bundle extras = data.getExtras();
 203         int appWidgetId = extras.getInt(AppWidgetManager.EXTRA_APPWIDGET_ID, -1);
 204         AppWidgetProviderInfo appWidgetInfo = mAppWidgetManager.getAppWidgetInfo(appWidgetId);
 205         if(appWidgetInfo.configure != null) {
 206             Intent intent = new Intent(AppWidgetManager.ACTION_APPWIDGET_CONFIGURE);
 207             intent.setComponent(appWidgetInfo.configure);
 208             intent.putExtra(AppWidgetManager.EXTRA_APPWIDGET_ID, appWidgetId);
 209             startActivityForResult(intent, REQUEST_CREATE_APPWIDGET);
 210
 211             shouldFinish = false;
 212         } else {
 213             createWidget(data);
 214         }
 215     }
 216
 217     private void createWidget(Intent data) {
 218         Intent intent = new Intent("com.farmerbb.taskbar.ADD_WIDGET_COMPLETED");
 219         intent.putExtra("appWidgetId", data.getExtras().getInt(AppWidgetManager.EXTRA_APPWIDGET_ID, -1));
 220         intent.putExtra("cellId", cellId);
 221         LocalBroadcastManager.getInstance(this).sendBroadcast(intent);
 222
 223         shouldFinish = true;
 224     }
 225 }