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Diffstat (limited to 'src/com/android/browser/Bookmarks.java')
| -rw-r--r-- | src/com/android/browser/Bookmarks.java | 196 |
1 files changed, 196 insertions, 0 deletions
diff --git a/src/com/android/browser/Bookmarks.java b/src/com/android/browser/Bookmarks.java new file mode 100644 index 0000000..97e6b20 --- /dev/null +++ b/src/com/android/browser/Bookmarks.java @@ -0,0 +1,196 @@ +/* + * Copyright (C) 2009 The Android Open Source Project + * + * Licensed under the Apache License, Version 2.0 (the "License"); + * you may not use this file except in compliance with the License. + * You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, software + * distributed under the License is distributed on an "AS IS" BASIS, + * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. + * See the License for the specific language governing permissions and + * limitations under the License. + */ + +package com.android.browser; + +import android.content.ContentResolver; +import android.content.ContentUris; +import android.content.ContentValues; +import android.content.Context; +import android.database.Cursor; +import android.net.Uri; +import android.provider.Browser; +import android.util.Log; +import android.webkit.WebIconDatabase; +import android.widget.Toast; + +import java.util.Date; + +/** + * This class is purely to have a common place for adding/deleting bookmarks. + */ +/* package */ class Bookmarks { + private static final String WHERE_CLAUSE + = "url = ? OR url = ? OR url = ? OR url = ?"; + private static final String WHERE_CLAUSE_SECURE = "url = ? OR url = ?"; + + private static String[] SELECTION_ARGS; + + /** + * Add a bookmark to the database. + * @param context Context of the calling Activity. This is used to make + * Toast confirming that the bookmark has been added. If the + * caller provides null, the Toast will not be shown. + * @param cr The ContentResolver being used to add the bookmark to the db. + * @param url URL of the website to be bookmarked. + * @param name Provided name for the bookmark. + */ + /* package */ static void addBookmark(Context context, + ContentResolver cr, String url, String name) { + // Want to append to the beginning of the list + long creationTime = new Date().getTime(); + // First we check to see if the user has already visited this + // site. They may have bookmarked it in a different way from + // how it's stored in the database, so allow different combos + // to map to the same url. + boolean secure = false; + String compareString = url; + if (compareString.startsWith("http://")) { + compareString = compareString.substring(7); + } else if (compareString.startsWith("https://")) { + compareString = compareString.substring(8); + secure = true; + } + if (compareString.startsWith("www.")) { + compareString = compareString.substring(4); + } + if (secure) { + SELECTION_ARGS = new String[2]; + SELECTION_ARGS[0] = "https://" + compareString; + SELECTION_ARGS[1] = "https://www." + compareString; + } else { + SELECTION_ARGS = new String[4]; + SELECTION_ARGS[0] = compareString; + SELECTION_ARGS[1] = "www." + compareString; + SELECTION_ARGS[2] = "http://" + compareString; + SELECTION_ARGS[3] = "http://" + SELECTION_ARGS[1]; + } + Cursor cursor = cr.query(Browser.BOOKMARKS_URI, + Browser.HISTORY_PROJECTION, + secure ? WHERE_CLAUSE_SECURE : WHERE_CLAUSE, + SELECTION_ARGS, + null); + ContentValues map = new ContentValues(); + if (cursor.moveToFirst() && cursor.getInt( + Browser.HISTORY_PROJECTION_BOOKMARK_INDEX) == 0) { + // This means we have been to this site but not bookmarked + // it, so convert the history item to a bookmark + map.put(Browser.BookmarkColumns.CREATED, creationTime); + map.put(Browser.BookmarkColumns.TITLE, name); + map.put(Browser.BookmarkColumns.BOOKMARK, 1); + cr.update(Browser.BOOKMARKS_URI, map, + "_id = " + cursor.getInt(0), null); + } else { + int count = cursor.getCount(); + boolean matchedTitle = false; + for (int i = 0; i < count; i++) { + // One or more bookmarks already exist for this site. + // Check the names of each + cursor.moveToPosition(i); + if (cursor.getString(Browser.HISTORY_PROJECTION_TITLE_INDEX) + .equals(name)) { + // The old bookmark has the same name. + // Update its creation time. + map.put(Browser.BookmarkColumns.CREATED, + creationTime); + cr.update(Browser.BOOKMARKS_URI, map, + "_id = " + cursor.getInt(0), null); + matchedTitle = true; + break; + } + } + if (!matchedTitle) { + // Adding a bookmark for a site the user has visited, + // or a new bookmark (with a different name) for a site + // the user has visited + map.put(Browser.BookmarkColumns.TITLE, name); + map.put(Browser.BookmarkColumns.URL, url); + map.put(Browser.BookmarkColumns.CREATED, creationTime); + map.put(Browser.BookmarkColumns.BOOKMARK, 1); + map.put(Browser.BookmarkColumns.DATE, 0); + int visits = 0; + if (count > 0) { + // The user has already bookmarked, and possibly + // visited this site. However, they are creating + // a new bookmark with the same url but a different + // name. The new bookmark should have the same + // number of visits as the already created bookmark. + visits = cursor.getInt( + Browser.HISTORY_PROJECTION_VISITS_INDEX); + } + // Bookmark starts with 3 extra visits so that it will + // bubble up in the most visited and goto search box + map.put(Browser.BookmarkColumns.VISITS, visits + 3); + cr.insert(Browser.BOOKMARKS_URI, map); + } + } + WebIconDatabase.getInstance().retainIconForPageUrl(url); + cursor.deactivate(); + if (context != null) { + Toast.makeText(context, R.string.added_to_bookmarks, + Toast.LENGTH_LONG).show(); + } + } + + /** + * Remove a bookmark from the database. If the url is a visited site, it + * will remain in the database, but only as a history item, and not as a + * bookmarked site. + * @param context Context of the calling Activity. This is used to make + * Toast confirming that the bookmark has been removed. If the + * caller provides null, the Toast will not be shown. + * @param cr The ContentResolver being used to remove the bookmark. + * @param url URL of the website to be removed. + */ + /* package */ static void removeFromBookmarks(Context context, + ContentResolver cr, String url) { + Cursor cursor = cr.query( + Browser.BOOKMARKS_URI, + Browser.HISTORY_PROJECTION, + "url = ?", + new String[] { url }, + null); + boolean first = cursor.moveToFirst(); + // Should be in the database no matter what + if (!first) { + throw new AssertionError("URL is not in the database!"); + } + // Remove from bookmarks + WebIconDatabase.getInstance().releaseIconForPageUrl(url); + Uri uri = ContentUris.withAppendedId(Browser.BOOKMARKS_URI, + cursor.getInt(Browser.HISTORY_PROJECTION_ID_INDEX)); + int numVisits = cursor.getInt( + Browser.HISTORY_PROJECTION_VISITS_INDEX); + if (0 == numVisits) { + cr.delete(uri, null, null); + } else { + // It is no longer a bookmark, but it is still a visited + // site. + ContentValues values = new ContentValues(); + values.put(Browser.BookmarkColumns.BOOKMARK, 0); + try { + cr.update(uri, values, null, null); + } catch (IllegalStateException e) { + Log.e("removeFromBookmarks", "no database!"); + } + } + if (context != null) { + Toast.makeText(context, R.string.removed_from_bookmarks, + Toast.LENGTH_LONG).show(); + } + cursor.deactivate(); + } +}
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