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