The Tor Browser / file comparison
comparison: mobile/android/base/EditBookmarkDialog.java
mobile/android/base/EditBookmarkDialog.java
- branch
- TOR_BUG_3246
- changeset 4
- fc2d59ddac77
equal
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| -1:000000000000 | 0:1c213e9072d6 |
|---|---|
| 1 /* -*- Mode: Java; c-basic-offset: 4; tab-width: 20; indent-tabs-mode: nil; -*- | |
| 2 * This Source Code Form is subject to the terms of the Mozilla Public | |
| 3 * License, v. 2.0. If a copy of the MPL was not distributed with this | |
| 4 * file, You can obtain one at http://mozilla.org/MPL/2.0/. */ | |
| 5 | |
| 6 package org.mozilla.gecko; | |
| 7 | |
| 8 import org.mozilla.gecko.db.BrowserContract.Bookmarks; | |
| 9 import org.mozilla.gecko.db.BrowserDB; | |
| 10 import org.mozilla.gecko.util.ThreadUtils; | |
| 11 import org.mozilla.gecko.util.UiAsyncTask; | |
| 12 | |
| 13 import android.content.Context; | |
| 14 import android.app.AlertDialog; | |
| 15 import android.content.DialogInterface; | |
| 16 import android.database.Cursor; | |
| 17 import android.text.Editable; | |
| 18 import android.text.TextWatcher; | |
| 19 import android.view.LayoutInflater; | |
| 20 import android.view.View; | |
| 21 import android.widget.EditText; | |
| 22 import android.widget.Toast; | |
| 23 | |
| 24 /** | |
| 25 * A dialog that allows editing a bookmarks url, title, or keywords | |
| 26 * <p> | |
| 27 * Invoked by calling one of the {@link org.mozilla.gecko.EditBookmarkDialog.show} | |
| 28 * methods. | |
| 29 */ | |
| 30 public class EditBookmarkDialog { | |
| 31 private static final String LOGTAG = "GeckoEditBookmarkDialog"; | |
| 32 private Context mContext; | |
| 33 | |
| 34 public EditBookmarkDialog(Context context) { | |
| 35 mContext = context; | |
| 36 } | |
| 37 | |
| 38 /** | |
| 39 * A private struct to make it easier to pass bookmark data across threads | |
| 40 */ | |
| 41 private class Bookmark { | |
| 42 int id; | |
| 43 String title; | |
| 44 String url; | |
| 45 String keyword; | |
| 46 | |
| 47 public Bookmark(int aId, String aTitle, String aUrl, String aKeyword) { | |
| 48 id = aId; | |
| 49 title = aTitle; | |
| 50 url = aUrl; | |
| 51 keyword = aKeyword; | |
| 52 } | |
| 53 } | |
| 54 | |
| 55 /** | |
| 56 * This text watcher to enable or disable the OK button if the dialog contains | |
| 57 * valid information. This class is overridden to do data checking diffferent fields. | |
| 58 * By itself, it always enables the button. | |
| 59 * | |
| 60 * Callers can also assing a paired partner to the TextWatcher, and callers will check | |
| 61 * that both are enabled before enabling the ok button. | |
| 62 */ | |
| 63 private class EditBookmarkTextWatcher implements TextWatcher { | |
| 64 // A stored reference to the dialog containing the text field being watched | |
| 65 protected AlertDialog mDialog; | |
| 66 | |
| 67 // A stored text watcher to do the real verification of a field | |
| 68 protected EditBookmarkTextWatcher mPairedTextWatcher; | |
| 69 | |
| 70 // Whether or not the ok button should be enabled. | |
| 71 protected boolean mEnabled = true; | |
| 72 | |
| 73 public EditBookmarkTextWatcher(AlertDialog aDialog) { | |
| 74 mDialog = aDialog; | |
| 75 } | |
| 76 | |
| 77 public void setPairedTextWatcher(EditBookmarkTextWatcher aTextWatcher) { | |
| 78 mPairedTextWatcher = aTextWatcher; | |
| 79 } | |
| 80 | |
| 81 public boolean isEnabled() { | |
| 82 return mEnabled; | |
| 83 } | |
| 84 | |
| 85 // Textwatcher interface | |
| 86 @Override | |
| 87 public void onTextChanged(CharSequence s, int start, int before, int count) { | |
| 88 // Disable if the we're disabled or the paired partner is disabled | |
| 89 boolean enabled = mEnabled && (mPairedTextWatcher == null || mPairedTextWatcher.isEnabled()); | |
| 90 mDialog.getButton(AlertDialog.BUTTON_POSITIVE).setEnabled(enabled); | |
| 91 } | |
| 92 | |
| 93 @Override | |
| 94 public void afterTextChanged(Editable s) {} | |
| 95 @Override | |
| 96 public void beforeTextChanged(CharSequence s, int start, int count, int after) {} | |
| 97 } | |
| 98 | |
| 99 /** | |
| 100 * A version of the EditBookmarkTextWatcher for the url field of the dialog. | |
| 101 * Only checks if the field is empty or not. | |
| 102 */ | |
| 103 private class LocationTextWatcher extends EditBookmarkTextWatcher { | |
| 104 public LocationTextWatcher(AlertDialog aDialog) { | |
| 105 super(aDialog); | |
| 106 } | |
| 107 | |
| 108 // Disables the ok button if the location field is empty. | |
| 109 @Override | |
| 110 public void onTextChanged(CharSequence s, int start, int before, int count) { | |
| 111 mEnabled = (s.toString().trim().length() > 0); | |
| 112 super.onTextChanged(s, start, before, count); | |
| 113 } | |
| 114 } | |
| 115 | |
| 116 /** | |
| 117 * A version of the EditBookmarkTextWatcher for the keyword field of the dialog. | |
| 118 * Checks if the field has any (non leading or trailing) spaces. | |
| 119 */ | |
| 120 private class KeywordTextWatcher extends EditBookmarkTextWatcher { | |
| 121 public KeywordTextWatcher(AlertDialog aDialog) { | |
| 122 super(aDialog); | |
| 123 } | |
| 124 | |
| 125 @Override | |
| 126 public void onTextChanged(CharSequence s, int start, int before, int count) { | |
| 127 // Disable if the keyword contains spaces | |
| 128 mEnabled = (s.toString().trim().indexOf(' ') == -1); | |
| 129 super.onTextChanged(s, start, before, count); | |
| 130 } | |
| 131 } | |
| 132 | |
| 133 /** | |
| 134 * Show the Edit bookmark dialog for a particular url. If the url is bookmarked multiple times | |
| 135 * this will just edit the first instance it finds. | |
| 136 * | |
| 137 * @param url The url of the bookmark to edit. The dialog will look up other information like the id, | |
| 138 * current title, or keywords associated with this url. If the url isn't bookmarked, the | |
| 139 * dialog will fail silently. If the url is bookmarked multiple times, this will only show | |
| 140 * information about the first it finds. | |
| 141 */ | |
| 142 public void show(final String url) { | |
| 143 (new UiAsyncTask<Void, Void, Bookmark>(ThreadUtils.getBackgroundHandler()) { | |
| 144 @Override | |
| 145 public Bookmark doInBackground(Void... params) { | |
| 146 Cursor cursor = BrowserDB.getBookmarkForUrl(mContext.getContentResolver(), url); | |
| 147 if (cursor == null) { | |
| 148 return null; | |
| 149 } | |
| 150 | |
| 151 Bookmark bookmark = null; | |
| 152 try { | |
| 153 cursor.moveToFirst(); | |
| 154 bookmark = new Bookmark(cursor.getInt(cursor.getColumnIndexOrThrow(Bookmarks._ID)), | |
| 155 cursor.getString(cursor.getColumnIndexOrThrow(Bookmarks.TITLE)), | |
| 156 cursor.getString(cursor.getColumnIndexOrThrow(Bookmarks.URL)), | |
| 157 cursor.getString(cursor.getColumnIndexOrThrow(Bookmarks.KEYWORD))); | |
| 158 } finally { | |
| 159 cursor.close(); | |
| 160 } | |
| 161 return bookmark; | |
| 162 } | |
| 163 | |
| 164 @Override | |
| 165 public void onPostExecute(Bookmark bookmark) { | |
| 166 if (bookmark == null) | |
| 167 return; | |
| 168 | |
| 169 show(bookmark.id, bookmark.title, bookmark.url, bookmark.keyword); | |
| 170 } | |
| 171 }).execute(); | |
| 172 } | |
| 173 | |
| 174 /** | |
| 175 * Show the Edit bookmark dialog for a set of data. This will show the dialog whether | |
| 176 * a bookmark with this url exists or not, but the results will NOT be saved if the id | |
| 177 * is not a valid bookmark id. | |
| 178 * | |
| 179 * @param id The id of the bookmark to change. If there is no bookmark with this ID, the dialog | |
| 180 * will fail silently. | |
| 181 * @param title The initial title to show in the dialog | |
| 182 * @param url The initial url to show in the dialog | |
| 183 * @param keyword The initial keyword to show in the dialog | |
| 184 */ | |
| 185 public void show(final int id, final String title, final String url, final String keyword) { | |
| 186 AlertDialog.Builder editPrompt = new AlertDialog.Builder(mContext); | |
| 187 final View editView = LayoutInflater.from(mContext).inflate(R.layout.bookmark_edit, null); | |
| 188 editPrompt.setTitle(R.string.bookmark_edit_title); | |
| 189 editPrompt.setView(editView); | |
| 190 | |
| 191 final EditText nameText = ((EditText) editView.findViewById(R.id.edit_bookmark_name)); | |
| 192 final EditText locationText = ((EditText) editView.findViewById(R.id.edit_bookmark_location)); | |
| 193 final EditText keywordText = ((EditText) editView.findViewById(R.id.edit_bookmark_keyword)); | |
| 194 nameText.setText(title); | |
| 195 locationText.setText(url); | |
| 196 keywordText.setText(keyword); | |
| 197 | |
| 198 editPrompt.setPositiveButton(R.string.button_ok, new DialogInterface.OnClickListener() { | |
| 199 @Override | |
| 200 public void onClick(DialogInterface dialog, int whichButton) { | |
| 201 (new UiAsyncTask<Void, Void, Void>(ThreadUtils.getBackgroundHandler()) { | |
| 202 @Override | |
| 203 public Void doInBackground(Void... params) { | |
| 204 String newUrl = locationText.getText().toString().trim(); | |
| 205 String newKeyword = keywordText.getText().toString().trim(); | |
| 206 BrowserDB.updateBookmark(mContext.getContentResolver(), id, newUrl, nameText.getText().toString(), newKeyword); | |
| 207 return null; | |
| 208 } | |
| 209 | |
| 210 @Override | |
| 211 public void onPostExecute(Void result) { | |
| 212 Toast.makeText(mContext, R.string.bookmark_updated, Toast.LENGTH_SHORT).show(); | |
| 213 } | |
| 214 }).execute(); | |
| 215 } | |
| 216 }); | |
| 217 | |
| 218 editPrompt.setNegativeButton(R.string.button_cancel, new DialogInterface.OnClickListener() { | |
| 219 @Override | |
| 220 public void onClick(DialogInterface dialog, int whichButton) { | |
| 221 // do nothing | |
| 222 } | |
| 223 }); | |
| 224 | |
| 225 final AlertDialog dialog = editPrompt.create(); | |
| 226 | |
| 227 // Create our TextWatchers | |
| 228 LocationTextWatcher locationTextWatcher = new LocationTextWatcher(dialog); | |
| 229 KeywordTextWatcher keywordTextWatcher = new KeywordTextWatcher(dialog); | |
| 230 | |
| 231 // Cross reference the TextWatchers | |
| 232 locationTextWatcher.setPairedTextWatcher(keywordTextWatcher); | |
| 233 keywordTextWatcher.setPairedTextWatcher(locationTextWatcher); | |
| 234 | |
| 235 // Add the TextWatcher Listeners | |
| 236 locationText.addTextChangedListener(locationTextWatcher); | |
| 237 keywordText.addTextChangedListener(keywordTextWatcher); | |
| 238 | |
| 239 dialog.show(); | |
| 240 } | |
| 241 } |
