Remove Google's Ad Consent library. https://redmine.stoutner.com/issues/329

[PrivacyBrowserAndroid.git] / app / src / free / java / com / stoutner / privacybrowser / helpers / AdConsentDatabaseHelper.java

diff --git a/app/src/free/java/com/stoutner/privacybrowser/helpers/AdConsentDatabaseHelper.java b/app/src/free/java/com/stoutner/privacybrowser/helpers/AdConsentDatabaseHelper.java
new file mode 100644 (file)
index 0000000..bbe480c
--- /dev/null
+++ b/app/src/free/java/com/stoutner/privacybrowser/helpers/AdConsentDatabaseHelper.java
@@ -0,0 +1,110 @@
+/*
+ * Copyright © 2018 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.helpers;
+
+import android.content.ContentValues;
+import android.content.Context;
+import android.database.Cursor;
+import android.database.sqlite.SQLiteDatabase;
+import android.database.sqlite.SQLiteOpenHelper;
+
+public class AdConsentDatabaseHelper extends SQLiteOpenHelper {
+    private static final int SCHEMA_VERSION = 1;
+    private static final String AD_CONSENT_DATABASE = "ad_consent.db";
+    private static final String AD_CONSENT_TABLE = "ad_consent";
+
+    private static final String _ID = "_id";
+    private static final String AD_CONSENT = "ad_consent";
+
+    private static final String CREATE_AD_CONSENT_TABLE = "CREATE TABLE " + AD_CONSENT_TABLE + " (" +
+            _ID + " INTEGER PRIMARY KEY, " +
+            AD_CONSENT + " BOOLEAN)";
+
+    // Initialize the database.  The lint warnings for the unused parameters are suppressed.
+    public AdConsentDatabaseHelper(Context context, @SuppressWarnings("UnusedParameters") String name, SQLiteDatabase.CursorFactory cursorFactory, @SuppressWarnings("UnusedParameters") int version) {
+        super(context, AD_CONSENT_DATABASE, cursorFactory, SCHEMA_VERSION);
+    }
+
+    @Override
+    public void onCreate(SQLiteDatabase adConsentDatabase) {
+        // Create the ad consent database.
+        adConsentDatabase.execSQL(CREATE_AD_CONSENT_TABLE);
+
+        // Create an ad consent ContentValues.
+        ContentValues adConsentContentValues = new ContentValues();
+
+        // Populate the ad consent content values.
+        adConsentContentValues.put(AD_CONSENT, false);
+
+        // Insert a new row.  The second argument is `null`, which makes it so that a completely null row cannot be created.
+        adConsentDatabase.insert(AD_CONSENT_TABLE, null, adConsentContentValues);
+    }
+
+    @Override
+    public void onUpgrade(SQLiteDatabase adConsentDatabase, int oldVersion, int newVersion) {
+        // Code for upgrading the database will be added here if the schema version ever increases above 1.
+    }
+
+    // Check to see if ad consent has been granted.
+    public boolean isGranted() {
+        // Get a readable database handle.
+        SQLiteDatabase adConsentDatabase = this.getReadableDatabase();
+
+        // Get the ad consent cursor.
+        Cursor adConsentCursor = adConsentDatabase.rawQuery("SELECT * FROM " + AD_CONSENT_TABLE, null);
+
+        // Move to the first entry.
+        adConsentCursor.moveToFirst();
+
+        // Get the ad consent boolean.
+        boolean adConsent = (adConsentCursor.getInt(adConsentCursor.getColumnIndex(AD_CONSENT)) == 1);
+
+        // Close the cursor.
+        adConsentCursor.close();
+
+        // Close the database.
+        adConsentDatabase.close();
+
+        // Return the ad consent boolean.
+        return adConsent;
+    }
+
+    // Update the ad consent.
+    public void updateAdConsent(boolean adConsent) {
+        // Get a writable database handle.
+        SQLiteDatabase adConsentDatabase = this.getWritableDatabase();
+
+        // Create an ad consent integer.
+        int adConsentInt;
+
+        // Set the ad consent integer according to the boolean.
+        if (adConsent) {
+            adConsentInt = 1;
+        } else {
+            adConsentInt = 0;
+        }
+
+        // Update the ad consent in the database.
+        adConsentDatabase.execSQL("UPDATE " + AD_CONSENT_TABLE + " SET " + AD_CONSENT + " = " + adConsentInt);
+
+        // Close the database.
+        adConsentDatabase.close();
+    }
+}
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