add 'ensure-permissions' for android; revisions

.gitignore

@@ -8,6 +8,8 @@ _*
 *.o
 *.obj
 *.so*
+*.dylib
+*.dll
 *.qm
 *.stash
 *.ts

cpp-lib/cpp/lib.cpp

@@ -1,5 +1,5 @@
 #include "lib.h"
-#include "../../src/cpp/ecl_fun_plugin.h"
+#include "../../src/cpp/ecl_fun_plugin.h" // for ecl_fun(); independent from LQML
 #include <QApplication>
 #include <QMessageBox>
 #include <QtDebug>

doc/help.htm

@@ -18,6 +18,15 @@
     (my-qt-function *c++* x y)          ; call from Lisp
 
 
+<b>ensure-permissions (permission/permissions)</b>
+
+  Android only; requests the passed permission, or a list of them.
+  Returns the permission if it was granted, or a list of the granted
+  permissions.
+
+    (ensure-permissions "android.permission.ACCESS_FINE_LOCATION")
+
+
 <b>find-quick-item (object-name)</b>
 
   Finds the first QQuickItem matching OBJECT-NAME. Locally set *ROOT-ITEM* if

examples/planets/lisp/main.lisp

@@ -74,4 +74,3 @@
              :info  #.(read-file "txt/neptune.txt"))))
 
 (populate-item-model)
-

src/cpp/ecl_ext.cpp

@@ -13,6 +13,10 @@
 #include <QQmlExpression>
 #include <QQmlProperty>
 
+#ifdef Q_OS_ANDROID
+  #include <QtAndroid>
+#endif
+
 QT_BEGIN_NAMESPACE
 
 void iniCLFunctions() {
@@ -21,6 +25,7 @@ void iniCLFunctions() {
     cl_make_package(1, qml);
   }
   si_select_package(qml);
+  DEFUN ("%ensure-permissions", ensure_permissions2, 1)
   DEFUN ("%js",                 js2,                 2)
   DEFUN ("pixel-ratio",         pixel_ratio,         0)
   DEFUN ("%qapropos",           qapropos2,           3)
@@ -547,6 +552,46 @@ cl_object reload2() {
   ecl_return1(ecl_process_env(), l_ret);
 }
 
+cl_object ensure_permissions2(cl_object l_permissions) {
+  /// args: (permission/permissions)
+  /// Android only; requests the passed permission, or a list of them.
+  /// Returns the permission if it was granted, or a list of the granted
+  /// permissions.
+  ///   (ensure-permissions "android.permission.ACCESS_FINE_LOCATION")
+  cl_object l_ret = ECL_T;
+#if (defined Q_OS_ANDROID) && (QT_VERSION > 0x050A00) // 5.10
+  QStringList permissions(toQStringList(l_permissions));
+  QStringList denied;
+  QStringList granted;
+  Q_FOREACH (QString p, permissions) {
+    if (QtAndroid::checkPermission(p) == QtAndroid::PermissionResult::Granted) {
+      granted << p;
+    } else {
+      denied << p;
+    }
+  }
+  if (!denied.isEmpty()) {
+    QEventLoop loop; // custom sync because requestPermissionsSync() may hang
+    QtAndroid::requestPermissions(denied, [&](const QtAndroid::PermissionResultMap& res) {
+      Q_FOREACH (QString p, denied) {
+        if (res[p] == QtAndroid::PermissionResult::Granted) {
+          granted << p;
+        }
+      }
+      loop.exit();
+    });
+    loop.exec(QEventLoop::ExcludeUserInputEvents);
+  }
+  if (granted.length() == 1) {
+    l_ret = from_qstring(granted.first());
+  }
+  else {
+    l_ret = from_qstringlist(granted);
+  }
+#endif
+  ecl_return1(ecl_process_env(), l_ret);
+}
+
 
 
 // *** meta info ***

src/cpp/ecl_ext.h

@@ -51,6 +51,7 @@ QT_BEGIN_NAMESPACE
 #define LIST10(a1, a2, a3, a4, a5, a6, a7, a8, a9, a10) \
     CONS(a1, LIST9(a2, a3, a4, a5, a6, a7, a8, a9, a10))
 
+cl_object ensure_permissions2 (cl_object);
 cl_object js2                 (cl_object, cl_object);
 cl_object pixel_ratio         ();
 cl_object qapropos2           (cl_object, cl_object, cl_object);

src/cpp/ecl_fun_plugin.h

@@ -1,4 +1,4 @@
-// all-in-on-header to include in Qt plugin source files which want to call
+// all-in-one header to include in Qt plugin source files which want to call
 // ECL functions through 'ecl_fun()'
 //
 // does not depend on LQML

src/cpp/marshal.cpp

@@ -124,6 +124,18 @@ QString toQString(cl_object l_str) {
   return s;
 }
 
+QStringList toQStringList(cl_object l_list) {
+  QStringList l;
+  if (ECL_LISTP(l_list)) {
+    cl_object l_el = l_list;
+    while (l_el != ECL_NIL) {
+      l << toQString(cl_car(l_el));
+      l_el = cl_cdr(l_el);
+    }
+  }
+  return l;
+}
+
 TO_QT_FLOAT_2 (QPointF)
 TO_QT_FLOAT_2 (QSizeF)
 TO_QT_FLOAT_4 (QRectF)
@@ -246,6 +258,15 @@ cl_object from_qstring(const QString& s) {
   return l_s;
 }
 
+cl_object from_qstringlist(const QStringList& l) {
+  cl_object l_list = ECL_NIL;
+  Q_FOREACH (QString s, l) {
+    l_list = CONS(from_qstring(s), l_list);
+  }
+  l_list = cl_nreverse(l_list);
+  return l_list;
+}
+
 TO_CL_FLOAT_2 (QPointF, qpointf, x, y)
 TO_CL_FLOAT_2 (QSizeF,  qsizef,  width, height)
 TO_CL_FLOAT_4 (QRectF,  qrectf,  x, y, width, height)

src/cpp/marshal.h

@@ -83,6 +83,7 @@ qreal        toReal(cl_object);
 QByteArray   toCString(cl_object);
 QByteArray   toQByteArray(cl_object);
 QString      toQString(cl_object);
+QStringList  toQStringList(cl_object);
 QVariant     toQVariant(cl_object, int = -1);
 QVariantList toQVariantList(cl_object);
 QVariant     toQVariantMap(cl_object);
@@ -91,6 +92,7 @@ QObject*     toQObjectPointer(cl_object);
 cl_object from_cstring(const QByteArray&);
 cl_object from_qbytearray(const QByteArray&);
 cl_object from_qstring(const QString&);
+cl_object from_qstringlist(const QStringList&);
 cl_object from_qvariant(const QVariant&);
 cl_object from_qobject_pointer(QObject*);
 

src/lisp/ini.lisp

@@ -212,7 +212,10 @@
   (assert (typep exit-status 'fixnum))
   (%qquit exit-status))
 
-;;; for android logging
+;;; android
+
+(defun ensure-permissions (permissions)
+  (qrun* (%ensure-permissions (x:ensure-list permissions))))
 
 (defun qlog (arg1 &rest args)
   "args: (arg1 &rest args)

src/lisp/package.lisp

@@ -6,6 +6,7 @@
    #:*root-item*
    #:*caller*
    #:define-qt-wrappers
+   #:ensure-permissions
    #:find-quick-item
    #:pixel-ratio
    #:qapropos

src/lqml-lib.pro

@@ -17,6 +17,7 @@ macx {
 }
 
 android {
+  QT           += androidextras
   INCLUDEPATH  = $$(ECL_ANDROID)/include
   LIBS         = -L$$(ECL_ANDROID)/lib -lecl
   DESTDIR      = ../../platforms/android/lib