1 files changed, 89 insertions, 0 deletions
diff --git a/src/bluetooth/android/androidutils.cpp b/src/bluetooth/android/androidutils.cpp
new file mode 100644
index 00000000..ec4dce8a
--- /dev/null
+++ b/src/bluetooth/android/androidutils.cpp
@@ -0,0 +1,89 @@
+/****************************************************************************
+**
+** Copyright (C) 2022 The Qt Company Ltd.
+** Contact: https://www.qt.io/licensing/
+**
+** This file is part of the QtBluetooth module of the Qt Toolkit.
+**
+** $QT_BEGIN_LICENSE:COMM$
+**
+** Commercial License Usage
+** Licensees holding valid commercial Qt licenses may use this file in
+** accordance with the commercial license agreement provided with the
+** Software or, alternatively, in accordance with the terms contained in
+** a written agreement between you and The Qt Company. For licensing terms
+** and conditions see https://www.qt.io/terms-conditions. For further
+** information use the contact form at https://www.qt.io/contact-us.
+**
+** $QT_END_LICENSE$
+**
+**
+**
+**
+**
+**
+**
+**
+**
+**
+**
+**
+**
+**
+**
+**
+**
+**
+**
+****************************************************************************/
+
+#include "androidutils_p.h"
+
+#include <QtCore/QLoggingCategory>
+#include <QtAndroidExtras/QAndroidJniEnvironment>
+#include <QtCore/private/qjnihelpers_p.h>
+
+QT_BEGIN_NAMESPACE
+
+Q_DECLARE_LOGGING_CATEGORY(QT_BT_ANDROID)
+
+static QString androidPermissionString(BluetoothPermission permission)
+{
+    switch (permission) {
+    case BluetoothPermission::Scan:
+        return {QStringLiteral("android.permission.BLUETOOTH_SCAN")};
+    case BluetoothPermission::Advertise:
+        return {QStringLiteral("android.permission.BLUETOOTH_ADVERTISE")};
+    case BluetoothPermission::Connect:
+        return {QStringLiteral("android.permission.BLUETOOTH_CONNECT")};
+    }
+    return {};
+}
+
+bool ensureAndroidPermission(BluetoothPermission permission)
+{
+    // The current set of permissions are only applicable with 31+
+    if (QtAndroidPrivate::androidSdkVersion() < 31)
+        return true;
+
+    const auto permString = androidPermissionString(permission);
+
+    // First check if we have the permission already
+    if (QtAndroidPrivate::checkPermission(permString)
+            == QtAndroidPrivate::PermissionsResult::Granted) {
+        return true;
+    }
+
+    // If we didn't have the permission, request it
+    QAndroidJniEnvironment env;
+    auto result = QtAndroidPrivate::requestPermissionsSync(env, QStringList() << permString);
+    if (result.contains(permString)
+            && result[permString] == QtAndroidPrivate::PermissionsResult::Granted) {
+        return true;
+    }
+
+     qCWarning(QT_BT_ANDROID) << "Permission not authorized:" << permString;
+     return false;
+}
+
+QT_END_NAMESPACE