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authorLeon Scroggins <scroggo@google.com>2009-06-12 17:07:29 -0400
committerLeon Scroggins <scroggo@google.com>2009-06-15 10:16:14 -0400
commite372c02c732cf0881c21eb8423454a555e8fc75c (patch)
tree72ffa9b0063e5ceba6aa846137c1926de70dd039 /src/com/android/browser/Bookmarks.java
parentf26aeabb17d38ed39a0711afcf51694cc69c8d51 (diff)
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Consolidate bookmark add/delete code in the browser.
Driven by a desire to put bookmarking functionality into the title bar, I have consolidated the code for adding and removing bookmarks.
Diffstat (limited to 'src/com/android/browser/Bookmarks.java')
-rw-r--r--src/com/android/browser/Bookmarks.java196
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
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+++ b/src/com/android/browser/Bookmarks.java
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+/*
+ * 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();
+ }
+} \ No newline at end of file