Initial bookmarks implementation. Fix for Custom User Agent not working. https...

[PrivacyBrowserAndroid.git] / app / src / main / java / com / stoutner / privacybrowser / BookmarksDatabaseHandler.java

diff --git a/app/src/main/java/com/stoutner/privacybrowser/BookmarksDatabaseHandler.java b/app/src/main/java/com/stoutner/privacybrowser/BookmarksDatabaseHandler.java
new file mode 100644 (file)
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+++ b/app/src/main/java/com/stoutner/privacybrowser/BookmarksDatabaseHandler.java
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+/**
+ * Copyright 2016 Soren Stoutner <soren@stoutner.com>.
+ *
+ * This file is part of Privacy Browser <https://www.stoutner.com/privacy-browser>.
+ *
+ * Privacy Browser is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * Privacy Browser is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with Privacy Browser.  If not, see <http://www.gnu.org/licenses/>.
+ */
+
+package com.stoutner.privacybrowser;
+
+import android.content.ContentValues;
+import android.content.Context;
+import android.database.Cursor;
+import android.database.sqlite.SQLiteDatabase;
+import android.database.sqlite.SQLiteOpenHelper;
+
+public class BookmarksDatabaseHandler extends SQLiteOpenHelper {
+    private static final int SCHEMA_VERSION = 1;
+    private static final String BOOKMARKS_DATABASE = "bookmarks.db";
+    private static final String BOOKMARKS_TABLE = "bookmarks";
+
+    public static final String ID = "_id";
+    public static final String DISPLAYORDER = "displayorder";
+    public static final String BOOKMARK_NAME = "bookmarkname";
+    public static final String BOOKMARK_URL = "bookmarkurl";
+    public static final String PARENTFOLDER = "parentfolder";
+    public static final String ISFOLDER = "isfolder";
+    public static final String FAVORITEICON = "favoriteicon";
+
+    public BookmarksDatabaseHandler(Context context, String name, SQLiteDatabase.CursorFactory factory, int version) {
+        super(context, BOOKMARKS_DATABASE, factory, SCHEMA_VERSION);
+    }
+
+    @Override
+    public void onCreate(SQLiteDatabase bookmarksDatabase) {
+        // Create the database if it doesn't exist.
+        String CREATE_BOOKMARKS_TABLE = "CREATE TABLE " + BOOKMARKS_TABLE + " (" +
+                ID + " integer primary key, " +
+                DISPLAYORDER + " integer, " +
+                BOOKMARK_NAME + " text, " +
+                BOOKMARK_URL + " text, " +
+                PARENTFOLDER + " text, " +
+                ISFOLDER + " boolean, " +
+                FAVORITEICON + " blob);";
+
+        bookmarksDatabase.execSQL(CREATE_BOOKMARKS_TABLE);
+    }
+
+    @Override
+    public void onUpgrade(SQLiteDatabase bookmarksDatabase, int oldVersion, int newVersion) {
+        // Code for upgrading the database will be added here when the schema version > 1.
+    }
+
+    public void createBookmark(String bookmarkName, String bookmarkURL, byte[] favoriteIcon) {
+        ContentValues bookmarkContentValues = new ContentValues();
+
+        // ID is created automatically.
+        bookmarkContentValues.put(BOOKMARK_NAME, bookmarkName);
+        bookmarkContentValues.put(BOOKMARK_URL, bookmarkURL);
+        bookmarkContentValues.put(PARENTFOLDER, "");
+        bookmarkContentValues.put(ISFOLDER, false);
+        bookmarkContentValues.put(FAVORITEICON, favoriteIcon);
+
+        // Get a writable database handle.
+        SQLiteDatabase bookmarksDatabase = this.getWritableDatabase();
+
+        // The second argument is "null", which makes it so that completely null rows cannot be created.  Not a problem in our case.
+        bookmarksDatabase.insert(BOOKMARKS_TABLE, null, bookmarkContentValues);
+
+        // Close the database handle.
+        bookmarksDatabase.close();
+    }
+
+    public Cursor getBookmarksCursor() {
+        // Get a readable database handle.
+        SQLiteDatabase bookmarksDatabase = this.getReadableDatabase();
+
+        // Get everything in the BOOKMARKS_TABLE.
+        String GET_ALL_BOOKMARKS = "Select * FROM " + BOOKMARKS_TABLE;
+
+        // Return the results as a Cursor.  The second argument is "null" because there are no selectionArgs.
+        // We can't close the Cursor because we need to use it in the parent activity.
+        return bookmarksDatabase.rawQuery(GET_ALL_BOOKMARKS, null);
+    }
+
+    public String getBookmarkURL(int databaseID) {
+        // Get a readable database handle.
+        SQLiteDatabase bookmarksDatabase = this.getReadableDatabase();
+
+        // Get the row for the selected databaseID.
+        String GET_BOOKMARK_URL = "Select * FROM " + BOOKMARKS_TABLE +
+                " WHERE " + ID + " = " + databaseID;
+
+        // Save the results as Cursor and move it to the first (only) row.  The second argument is "null" because there are no selectionArgs.
+        Cursor bookmarksCursor = bookmarksDatabase.rawQuery(GET_BOOKMARK_URL, null);
+        bookmarksCursor.moveToFirst();
+
+        // Get the int that identifies the "BOOKMARK_URL" column and save the string as bookmarkURL.
+        int urlColumnInt = bookmarksCursor.getColumnIndex(BOOKMARK_URL);
+        String bookmarkURLString = bookmarksCursor.getString(urlColumnInt);
+
+        // Close the Cursor and the database handle.
+        bookmarksCursor.close();
+        bookmarksDatabase.close();
+
+        // Return the bookmarkURLString.
+        return bookmarkURLString;
+    }
+}