1 files changed, 51 insertions, 0 deletions
diff --git a/mobile/android/geckoview/src/main/java/org/mozilla/gecko/util/ContextUtils.java b/mobile/android/geckoview/src/main/java/org/mozilla/gecko/util/ContextUtils.java
new file mode 100644
index 000000000..3a37911b0
--- /dev/null
+++ b/mobile/android/geckoview/src/main/java/org/mozilla/gecko/util/ContextUtils.java
@@ -0,0 +1,51 @@
+/*
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/.
+ */
+
+package org.mozilla.gecko.util;
+
+import android.content.Context;
+import android.content.pm.PackageInfo;
+import android.content.pm.PackageManager;
+import android.text.TextUtils;
+
+public class ContextUtils {
+    private static final String INSTALLER_GOOGLE_PLAY = "com.android.vending";
+
+    private ContextUtils() {}
+
+    /**
+     * @return {@link android.content.pm.PackageInfo#firstInstallTime} for the context's package.
+     * @throws PackageManager.NameNotFoundException Unexpected - we get the package name from the context so
+     *         it's expected to be found.
+     */
+    public static PackageInfo getCurrentPackageInfo(final Context context) {
+        try {
+            return context.getPackageManager().getPackageInfo(context.getPackageName(), 0);
+        } catch (PackageManager.NameNotFoundException e) {
+            throw new AssertionError("Should not happen: Can't get package info of own package");
+        }
+    }
+
+    public static boolean isPackageInstalled(final Context context, String packageName) {
+        try {
+            PackageManager pm = context.getPackageManager();
+            pm.getPackageInfo(packageName, 0);
+            return true;
+        } catch (PackageManager.NameNotFoundException e) {
+            return false;
+        }
+    }
+
+    public static boolean isInstalledFromGooglePlay(final Context context) {
+        final String installerPackageName = context.getPackageManager().getInstallerPackageName(context.getPackageName());
+
+        if (TextUtils.isEmpty(installerPackageName)) {
+            return false;
+        }
+
+        return INSTALLER_GOOGLE_PLAY.equals(installerPackageName);
+    }
+}