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