src/com/hughes/android/dictionary/DictionaryManagerActivity.java

   1 // Copyright 2011 Google Inc. All Rights Reserved.
   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 package com.hughes.android.dictionary;
  16
  17 import java.io.File;
  18 import java.util.List;
  19
  20 import android.app.AlertDialog;
  21 import android.app.ListActivity;
  22 import android.content.DialogInterface;
  23 import android.content.Intent;
  24 import android.content.SharedPreferences;
  25 import android.os.Bundle;
  26 import android.os.Handler;
  27 import android.preference.PreferenceManager;
  28 import android.util.Log;
  29 import android.util.TypedValue;
  30 import android.view.ContextMenu;
  31 import android.view.ContextMenu.ContextMenuInfo;
  32 import android.view.Menu;
  33 import android.view.MenuItem;
  34 import android.view.MenuItem.OnMenuItemClickListener;
  35 import android.view.View;
  36 import android.view.ViewGroup;
  37 import android.view.WindowManager;
  38 import android.webkit.WebView;
  39 import android.widget.AdapterView;
  40 import android.widget.AdapterView.AdapterContextMenuInfo;
  41 import android.widget.AdapterView.OnItemClickListener;
  42 import android.widget.BaseAdapter;
  43 import android.widget.Button;
  44 import android.widget.ImageView;
  45 import android.widget.LinearLayout;
  46 import android.widget.TextView;
  47
  48 import com.hughes.android.dictionary.DictionaryInfo.IndexInfo;
  49 import com.hughes.android.util.IntentLauncher;
  50 import com.hughes.util.StringUtil;
  51
  52 public class DictionaryManagerActivity extends ListActivity {
  53
  54   static final String LOG = "QuickDic";
  55   static final long AUTO_LAUNCH_WAIT_MILLIS = 20 * 1000;
  56   static long lastAutoLaunchMillis = -1;
  57   static boolean blockAutoLaunch = false;
  58
  59   DictionaryApplication application;
  60   Adapter adapter;
  61
  62   Handler uiHandler;
  63
  64   public static Intent getLaunchIntent() {
  65     final Intent intent = new Intent();
  66     intent.setClassName(DictionaryManagerActivity.class.getPackage().getName(),
  67         DictionaryManagerActivity.class.getName());
  68     intent.putExtra(C.CAN_AUTO_LAUNCH_DICT, false);
  69     return intent;
  70   }
  71
  72   public void onCreate(Bundle savedInstanceState) {
  73     setTheme(((DictionaryApplication)getApplication()).getSelectedTheme().themeId);
  74
  75     super.onCreate(savedInstanceState);
  76     Log.d(LOG, "onCreate:" + this);
  77
  78     application = (DictionaryApplication) getApplication();
  79
  80     // UI init.
  81     setContentView(R.layout.list_activity);
  82
  83     getListView().setOnItemClickListener(new OnItemClickListener() {
  84       @Override
  85       public void onItemClick(AdapterView<?> arg0, View arg1, int index,
  86           long id) {
  87         onClick(index);
  88       }
  89     });
  90
  91     getListView().setClickable(true);
  92
  93     // ContextMenu.
  94     registerForContextMenu(getListView());
  95
  96     blockAutoLaunch = false;
  97     final SharedPreferences prefs = PreferenceManager.getDefaultSharedPreferences(this);
  98     final String thanksForUpdatingLatestVersion = getString(R.string.thanksForUpdatingVersion);
  99     if (!prefs.getString(C.THANKS_FOR_UPDATING_VERSION, "").equals(thanksForUpdatingLatestVersion)) {
 100       blockAutoLaunch = true;
 101       final AlertDialog.Builder builder = new AlertDialog.Builder(this);
 102       builder.setCancelable(false);
 103       final WebView webView = new WebView(getApplicationContext());
 104       webView.loadData(StringUtil.readToString(getResources().openRawResource(R.raw.whats_new)), "text/html", "utf-8");
 105       builder.setView(webView);
 106       builder.setNegativeButton(android.R.string.ok, new DialogInterface.OnClickListener() {
 107           public void onClick(DialogInterface dialog, int id) {
 108                dialog.cancel();
 109           }
 110       });
 111       final AlertDialog alert = builder.create();
 112       WindowManager.LayoutParams layoutParams = new WindowManager.LayoutParams();
 113       layoutParams.copyFrom(alert.getWindow().getAttributes());
 114       layoutParams.width = WindowManager.LayoutParams.FILL_PARENT;
 115       layoutParams.height = WindowManager.LayoutParams.FILL_PARENT;
 116       alert.show();
 117       alert.getWindow().setAttributes(layoutParams);
 118       prefs.edit().putString(C.THANKS_FOR_UPDATING_VERSION, thanksForUpdatingLatestVersion).commit();
 119     }
 120   }
 121
 122   @Override
 123   protected void onStart() {
 124     super.onStart();
 125     uiHandler = new Handler();
 126   }
 127
 128   @Override
 129   protected void onStop() {
 130     super.onStop();
 131     uiHandler = null;
 132   }
 133
 134   private void onClick(int index) {
 135     final DictionaryInfo dictionaryInfo = adapter.getItem(index);
 136     final DictionaryInfo downloadable = application.getDownloadable(dictionaryInfo.uncompressedFilename);
 137     if (!application.isDictionaryOnDevice(dictionaryInfo.uncompressedFilename) && downloadable != null) {
 138       final Intent intent = getDownloadIntent(downloadable);
 139       startActivity(intent);
 140     } else {
 141       final Intent intent = DictionaryActivity.getLaunchIntent(application.getPath(dictionaryInfo.uncompressedFilename), 0, "");
 142       startActivity(intent);
 143     }
 144   }
 145
 146   @Override
 147   protected void onResume() {
 148     super.onResume();
 149
 150     if (PreferenceActivity.prefsMightHaveChanged) {
 151       PreferenceActivity.prefsMightHaveChanged = false;
 152       finish();
 153       startActivity(getIntent());
 154     }
 155
 156     final long now = System.currentTimeMillis();
 157     final SharedPreferences prefs = PreferenceManager.getDefaultSharedPreferences(this);
 158     if (now - lastAutoLaunchMillis > AUTO_LAUNCH_WAIT_MILLIS &&
 159         getIntent().getBooleanExtra(C.CAN_AUTO_LAUNCH_DICT, true) &&
 160         prefs.contains(C.DICT_FILE) &&
 161         prefs.contains(C.INDEX_INDEX) &&
 162         !blockAutoLaunch) {
 163       Log.d(LOG, "Skipping Dictionary List, going straight to dictionary.");
 164       startActivity(DictionaryActivity.getLaunchIntent(new File(prefs.getString(C.DICT_FILE, "")), prefs.getInt(C.INDEX_INDEX, 0), prefs.getString(C.SEARCH_TOKEN, "")));
 165       lastAutoLaunchMillis = now;
 166       // Don't finish, so that user can hit back and get here.
 167       //finish();
 168       return;
 169     }
 170
 171     application.backgroundUpdateDictionaries(new Runnable() {
 172       @Override
 173       public void run() {
 174         if (uiHandler == null) {
 175           return;
 176         }
 177         uiHandler.post(new Runnable() {
 178           @Override
 179           public void run() {
 180             setListAdapter(adapter = new Adapter());
 181           }
 182         });
 183       }
 184     });
 185
 186     setListAdapter(adapter = new Adapter());
 187   }
 188
 189   public boolean onCreateOptionsMenu(final Menu menu) {
 190     application.onCreateGlobalOptionsMenu(this, menu);
 191     return true;
 192   }
 193
 194
 195   @Override
 196   public void onCreateContextMenu(final ContextMenu menu, final View view,
 197       final ContextMenuInfo menuInfo) {
 198     super.onCreateContextMenu(menu, view, menuInfo);
 199
 200     final AdapterContextMenuInfo adapterContextMenuInfo = (AdapterContextMenuInfo) menuInfo;
 201     final int position = adapterContextMenuInfo.position;
 202     final DictionaryInfo dictionaryInfo = adapter.getItem(position);
 203
 204     if (position > 0 && application.isDictionaryOnDevice(dictionaryInfo.uncompressedFilename)) {
 205       final MenuItem moveToTopMenuItem = menu.add(R.string.moveToTop);
 206       moveToTopMenuItem.setOnMenuItemClickListener(new OnMenuItemClickListener() {
 207         @Override
 208         public boolean onMenuItemClick(MenuItem item) {
 209           application.moveDictionaryToTop(dictionaryInfo);
 210           setListAdapter(adapter = new Adapter());
 211           return true;
 212         }
 213       });
 214     }
 215
 216     final MenuItem deleteMenuItem = menu.add(R.string.deleteDictionary);
 217     deleteMenuItem.setOnMenuItemClickListener(new OnMenuItemClickListener() {
 218       @Override
 219       public boolean onMenuItemClick(MenuItem item) {
 220         application.deleteDictionary(dictionaryInfo);
 221         setListAdapter(adapter = new Adapter());
 222         return true;
 223       }
 224     });
 225
 226     final DictionaryInfo downloadable = application.getDownloadable(dictionaryInfo.uncompressedFilename);
 227     if (downloadable != null) {
 228       final MenuItem downloadMenuItem = menu.add(getString(R.string.downloadButton, downloadable.zipBytes/1024.0/1024.0));
 229       downloadMenuItem.setOnMenuItemClickListener(new OnMenuItemClickListener() {
 230         @Override
 231         public boolean onMenuItemClick(MenuItem item) {
 232           final Intent intent = getDownloadIntent(downloadable);
 233           startActivity(intent);
 234           setListAdapter(adapter = new Adapter());
 235           return true;
 236         }
 237
 238       });
 239     }
 240
 241   }
 242
 243   private Intent getDownloadIntent(final DictionaryInfo downloadable) {
 244     final Intent intent = DownloadActivity.getLaunchIntent(downloadable.downloadUrl,
 245         application.getPath(downloadable.uncompressedFilename).getPath() + ".zip",
 246         downloadable.dictInfo);
 247     return intent;
 248   }
 249
 250   class Adapter extends BaseAdapter {
 251
 252     final List<DictionaryInfo> dictionaryInfos = application.getAllDictionaries();
 253
 254     @Override
 255     public int getCount() {
 256       return dictionaryInfos.size();
 257     }
 258
 259     @Override
 260     public DictionaryInfo getItem(int position) {
 261       return dictionaryInfos.get(position);
 262     }
 263
 264     @Override
 265     public long getItemId(int position) {
 266       return position;
 267     }
 268
 269     @Override
 270     public View getView(final int position, final View convertView, final ViewGroup parent) {
 271       final LinearLayout result;
 272       // Android 4.0.3 leaks memory like crazy if we don't do this.
 273       if (convertView instanceof LinearLayout) {
 274         result = (LinearLayout) convertView;
 275         result.removeAllViews();
 276       } else {
 277         result = new LinearLayout(parent.getContext());
 278       }
 279
 280       final DictionaryInfo dictionaryInfo = getItem(position);
 281       result.setOrientation(LinearLayout.VERTICAL);
 282
 283       final LinearLayout row = new LinearLayout(parent.getContext());
 284       row.setOrientation(LinearLayout.HORIZONTAL);
 285       result.addView(row);
 286
 287       {
 288       final TextView textView = new TextView(parent.getContext());
 289       final String name = application.getDictionaryName(dictionaryInfo.uncompressedFilename);
 290       textView.setText(name);
 291       textView.setTextSize(TypedValue.COMPLEX_UNIT_SP, 22);
 292       row.addView(textView);
 293       LinearLayout.LayoutParams layoutParams = new LinearLayout.LayoutParams(WindowManager.LayoutParams.WRAP_CONTENT, WindowManager.LayoutParams.WRAP_CONTENT);
 294       layoutParams.weight = 1.0f;
 295       textView.setLayoutParams(layoutParams);
 296       }
 297
 298       final boolean updateAvailable = application.updateAvailable(dictionaryInfo);
 299       final DictionaryInfo downloadable = application.getDownloadable(dictionaryInfo.uncompressedFilename);
 300       if ((!application.isDictionaryOnDevice(dictionaryInfo.uncompressedFilename) || updateAvailable) && downloadable != null) {
 301         final Button downloadButton = new Button(parent.getContext());
 302         downloadButton.setText(getString(updateAvailable ? R.string.updateButton : R.string.downloadButton, downloadable.zipBytes / 1024.0 / 1024.0));
 303         final Intent intent = getDownloadIntent(downloadable);
 304         downloadButton.setOnClickListener(new IntentLauncher(parent.getContext(), intent));
 305         WindowManager.LayoutParams layoutParams = new WindowManager.LayoutParams();
 306         layoutParams.width = WindowManager.LayoutParams.WRAP_CONTENT;
 307         layoutParams.height = WindowManager.LayoutParams.WRAP_CONTENT;
 308         downloadButton.setLayoutParams(layoutParams);
 309         row.addView(downloadButton);
 310       } else {
 311         final ImageView checkMark = new ImageView(parent.getContext());
 312         checkMark.setImageResource(R.drawable.btn_check_buttonless_on);
 313         row.addView(checkMark);
 314       }
 315
 316       // Add the information about each index.
 317       final LinearLayout row2 = new LinearLayout(parent.getContext());
 318       row2.setOrientation(LinearLayout.HORIZONTAL);
 319       final LinearLayout.LayoutParams layoutParams = new LinearLayout.LayoutParams(LinearLayout.LayoutParams.WRAP_CONTENT, LinearLayout.LayoutParams.WRAP_CONTENT);
 320       row2.setLayoutParams(layoutParams);
 321       result.addView(row2);
 322       final StringBuilder builder = new StringBuilder();
 323       for (final IndexInfo indexInfo : dictionaryInfo.indexInfos) {
 324         if (builder.length() > 0) {
 325           builder.append(" | ");
 326         }
 327         builder.append(getString(R.string.indexInfo, indexInfo.shortName, indexInfo.mainTokenCount));
 328       }
 329       final TextView indexView = new TextView(parent.getContext());
 330       indexView.setText(builder.toString());
 331       row2.addView(indexView);
 332
 333
 334       // Because we have a Button inside a ListView row:
 335       // http://groups.google.com/group/android-developers/browse_thread/thread/3d96af1530a7d62a?pli=1
 336       result.setDescendantFocusability(ViewGroup.FOCUS_BLOCK_DESCENDANTS);
 337       result.setClickable(true);
 338       result.setFocusable(true);
 339       result.setLongClickable(true);
 340       result.setBackgroundResource(android.R.drawable.menuitem_background);
 341       result.setOnClickListener(new TextView.OnClickListener() {
 342         @Override
 343         public void onClick(View v) {
 344           DictionaryManagerActivity.this.onClick(position);
 345         }
 346       });
 347
 348       return result;
 349     }
 350   }
 351
 352 }