Started to implement propper permission handling

headers/bluerockbackend.h

@@ -35,6 +35,10 @@
 #include <QPdfWriter>
 #include "QZXing.h"
 
+#ifdef Q_OS_ANDROID
+#include <QtAndroidExtras>
+#endif
+
 #include "shareUtils/shareutils.h"
 
 class BlueRockBackend : public QObject
@@ -54,10 +58,14 @@ signals:
 
 public slots:
 
-    QVariant getWidgetData(QVariantMap params);
+    Q_INVOKABLE QVariant getWidgetData(QVariantMap params);
-    QVariantMap getParamsFromUrl(QString url);
+    Q_INVOKABLE QVariantMap getParamsFromUrl(QString url);
-    void shareResultsAsUrl(QString url, QString compName);
+    Q_INVOKABLE void shareResultsAsUrl(QString url, QString compName);
-    void shareResultsAsPoster(QString url, QString compName);
+    Q_INVOKABLE void shareResultsAsPoster(QString url, QString compName);
+
+    Q_INVOKABLE bool isCameraPermissionGranted();
+    Q_INVOKABLE bool requestCameraPermission();
+
 #if defined(Q_OS_ANDROID)
     void onApplicationStateChanged(Qt::ApplicationState applicationState);
 #endif

resources/qml/Components/QrCodeScanPopup.qml

@@ -31,7 +31,10 @@ Dialog {
     onOpened: {
         setDefaultStatusText()
         control._freezeScanning = false
-        cameraLoader.sourceComponent = cameraComponent
+        if(serverConn.isCameraPermissionGranted())
+            cameraLoader.sourceComponent = cameraComponent
+        else
+            cameraLoader.sourceComponent = noPermissionComponent
     }
 
     onClosed: cameraLoader.sourceComponent = null
@@ -168,6 +171,65 @@ Dialog {
         }
     }
 
+    Component {
+        id: noPermissionComponent
+        Item {
+            anchors.fill: parent
+
+            Label {
+                id: noPermissionIcon
+                anchors {
+                    top: parent.top
+                    topMargin: parent.height * 0
+                    horizontalCenter: parent.horizontalCenter
+                }
+                font.pixelSize: parent.height * 0.3
+                font.family: fa5solid.name
+                text: "\uf3ed"
+            }
+            Label {
+                id: noPermissionText
+                anchors {
+                    top: noPermissionIcon.bottom
+                    topMargin: noPermissionIcon.height * 0.15
+                    horizontalCenter: parent.horizontalCenter
+                }
+
+                width: parent.width * 0.9
+
+                font.bold: true
+                font.pixelSize: noPermissionIcon.height * 0.15
+
+                horizontalAlignment: Text.AlignHCenter
+
+                wrapMode: Text.Wrap
+
+                //% "Camera permission denied!"
+                text: qsTrId("#cameraPermissionDenied")
+            }
+
+            Label {
+                id: noPermissionDetailText
+                anchors {
+                    top: noPermissionText.bottom
+                    topMargin: noPermissionText.height * 0.15
+                    horizontalCenter: parent.horizontalCenter
+                }
+
+                width: parent.width * 0.9
+
+                font.pixelSize: noPermissionText.font.pixelSize * 0.7
+
+                horizontalAlignment: Text.AlignHCenter
+
+                wrapMode: Text.Wrap
+
+                //% "This app requires access to your camera in order to scan QR-Codes. It will never record or store any photos or videos."
+                text: qsTrId("#cameraPermissionDeniedDetails")
+            }
+
+        }
+    }
 
     QZXingFilter {
         id: zxingFilter

resources/translations/de.ts

@@ -5,21 +5,33 @@
     <name></name>
     <message id="#scanQrCode">
         <location filename="../qml/Components/QrCodeScanPopup.qml" line="27"/>
+        <location filename="../qml/Pages/StartPage.qml" line="120"/>
         <source>Scan QR-Code</source>
         <translation>QR-Code scannen</translation>
     </message>
     <message id="#placeQrCodeInCenter">
-        <location filename="../qml/Components/QrCodeScanPopup.qml" line="41"/>
+        <location filename="../qml/Components/QrCodeScanPopup.qml" line="44"/>
         <source>Place the Code in the center</source>
         <translation>Positioniere den Code in der Mitte</translation>
     </message>
+    <message id="#cameraPermissionDenied">
+        <location filename="../qml/Components/QrCodeScanPopup.qml" line="208"/>
+        <source>Camera permission denied!</source>
+        <translation type="unfinished"></translation>
+    </message>
+    <message id="#cameraPermissionDeniedDetails">
+        <location filename="../qml/Components/QrCodeScanPopup.qml" line="228"/>
+        <source>This app requires access to your camera in order to scan QR-Codes. It will never record or store any photos or videos.</source>
+        <oldsource>This app requires access to your camera in order to scan QR-Codes. It will never record store any photos or videos.</oldsource>
+        <translation type="unfinished"></translation>
+    </message>
     <message id="#pleaseWait">
-        <location filename="../qml/Components/QrCodeScanPopup.qml" line="183"/>
+        <location filename="../qml/Components/QrCodeScanPopup.qml" line="245"/>
         <source>Plase wait</source>
         <translation>Bitte warten</translation>
     </message>
     <message id="#invalidQrCode">
-        <location filename="../qml/Components/QrCodeScanPopup.qml" line="189"/>
+        <location filename="../qml/Components/QrCodeScanPopup.qml" line="251"/>
         <source>Invalid QR-Code</source>
         <translation>Ungültiger QR-Code</translation>
     </message>
@@ -55,9 +67,8 @@
         <translation>Jetzt kaufen für</translation>
     </message>
     <message id="#itemUnavailable">
-        <location filename="../qml/Components/SpeedFlowChartLocker.qml" line="36"/>
         <source>This item is currently unavailable</source>
-        <translation>Diese Produkt ist nicht verfügbar</translation>
+        <translation type="vanished">Diese Produkt ist nicht verfügbar</translation>
     </message>
     <message id="#thisIsAPremiumFeature">
         <location filename="../qml/Components/SpeedFlowChartLocker.qml" line="60"/>
@@ -65,17 +76,18 @@
         <translation>Das ist eine premium Funktion.</translation>
     </message>
     <message id="#itemIsUnavailable">
-        <location filename="../qml/Components/SpeedFlowChartLocker.qml" line="92"/>
+        <location filename="../qml/Components/SpeedFlowChartLocker.qml" line="36"/>
+        <location filename="../qml/Components/SpeedFlowChartLocker.qml" line="91"/>
         <source>This item is currently unavailable</source>
         <translation>Diese Produkt ist nicht verfügbar</translation>
     </message>
     <message id="#restorePurchase">
-        <location filename="../qml/Components/SpeedFlowChartLocker.qml" line="108"/>
+        <location filename="../qml/Components/SpeedFlowChartLocker.qml" line="107"/>
         <source>Restore purchase</source>
         <translation>Kauf wiederherstellen</translation>
     </message>
     <message id="#contact support">
-        <location filename="../qml/Components/SpeedFlowChartLocker.qml" line="119"/>
+        <location filename="../qml/Components/SpeedFlowChartLocker.qml" line="118"/>
         <source>contact support</source>
         <translation>Support kontaktieren</translation>
     </message>
@@ -100,17 +112,17 @@
         <translation>Über blueROCK</translation>
     </message>
     <message id="#ifscDisclaimerTitle">
-        <location filename="../qml/Pages/StartPage.qml" line="164"/>
+        <location filename="../qml/Pages/StartPage.qml" line="163"/>
         <source>Where are the IFSC results?</source>
         <translation>Wo sind die IFSC Ergebnisse?</translation>
     </message>
     <message id="#ifscDisclaimer">
-        <location filename="../qml/Pages/StartPage.qml" line="166"/>
+        <location filename="../qml/Pages/StartPage.qml" line="165"/>
         <source>Unfortunately, the IFSC has restricted the access to their data and &lt;b&gt;is not willing to share results with blueROCK anymore&lt;/b&gt;. Because of this, blueROCK is no longer able to access and display IFSC results.&lt;br&gt;&lt;br&gt;You can find current IFSC results &lt;a href=&quot;https://ifsc.results.info&quot;&gt;over here&lt;/a&gt; and on &lt;a href=&quot;https://ifsc-climbing.org&quot;&gt;their website&lt;/a&gt;.</source>
         <translation>Leider hat die IFSC den Zugang zu ihren Ergebnissen eingeschränkt&lt;b&gt;und ist nicht mehr bereit, Ergebnisse mit blueROCK zu teilen&lt;/b&gt;. Daher ist blueROCK nicht länger in der Lage auf IFSC Ergebnisse zuzugriefen und diese anzuzeigen.&lt;br&gt;&lt;br&gt;Aktuelle IFSC Ergebnisse finden sich &lt;a href=&quot;https://ifsc.results.info&quot;&gt;hier&lt;/a&gt; und auf der &lt;a href=&quot;https://ifsc-climbing.org&quot;&gt;IFSC Webseite&lt;/a&gt;.</translation>
     </message>
     <message id="#aboutBluerockDisclaimer">
-        <location filename="../qml/Pages/StartPage.qml" line="174"/>
+        <location filename="../qml/Pages/StartPage.qml" line="173"/>
         <source>This app was built using the &lt;a href=&apos;https://qt.io&apos;&gt;Qt Framework&lt;/a&gt; licensed under the &lt;a href=&apos;https://www.gnu.org/licenses/lgpl-3.0.en.html&apos;&gt;GNU lgplV3 license&lt;/a&gt;.&lt;br&gt;&lt;br&gt;This app is open source and licensed under the &lt;a href=&apos;https://www.gnu.org/licenses/agpl-3.0.en.html&apos;&gt;GNU agplV3 license&lt;/a&gt;, the source code can be found &lt;a href=&apos;https://itsblue.dev/dorian/blueROCK/&apos;&gt;here&lt;/a&gt;.&lt;br&gt;&lt;br&gt;Resultservice and rankings provided by &lt;a href=&apos;http://www.digitalROCK.de&apos;&gt;digital ROCK&lt;/a&gt;.</source>
         <translation type="unfinished">Diese App wurde unter Verwendung des &lt;a href=&apos;https://qt.io&apos;&gt;Qt Frameworks&lt;/a&gt; unter der &lt;a href=&apos;https://www.gnu.org/licenses/lgpl-3.0.en.html&apos;&gt;GNU lgplV3 Lizenz&lt;/a&gt; erstellt.&lt;br&gt;&lt;br&gt;Diese App ist Open-source und lizensiert unter der &lt;a href=&apos;https://www.gnu.org/licenses/agpl-3.0.en.html&apos;&gt;GNU agplV3 Lizenz&lt;/a&gt;. Der Sourcecode findet sich &lt;a href=&apos;https://itsblue.dev/dorian/blueROCK/&apos;&gt;hier&lt;/a&gt;.Die Ergebnisse und Ranglisten werden von &lt;a href=&apos;http://www.digitalROCK.de&apos;&gt;digital ROCK&lt;/a&gt; zur Verfügung gestellt.</translation>
     </message>

resources/translations/en.ts

@@ -10,17 +10,28 @@
         <translation type="unfinished"></translation>
     </message>
     <message id="#placeQrCodeInCenter">
-        <location filename="../qml/Components/QrCodeScanPopup.qml" line="41"/>
+        <location filename="../qml/Components/QrCodeScanPopup.qml" line="44"/>
         <source>Place the Code in the center</source>
         <translation type="unfinished"></translation>
     </message>
+    <message id="#cameraPermissionDenied">
+        <location filename="../qml/Components/QrCodeScanPopup.qml" line="208"/>
+        <source>Camera permission denied!</source>
+        <translation type="unfinished"></translation>
+    </message>
+    <message id="#cameraPermissionDeniedDetails">
+        <location filename="../qml/Components/QrCodeScanPopup.qml" line="228"/>
+        <source>This app requires access to your camera in order to scan QR-Codes. It will never record or store any photos or videos.</source>
+        <oldsource>This app requires access to your camera in order to scan QR-Codes. It will never record store any photos or videos.</oldsource>
+        <translation type="unfinished"></translation>
+    </message>
     <message id="#pleaseWait">
-        <location filename="../qml/Components/QrCodeScanPopup.qml" line="183"/>
+        <location filename="../qml/Components/QrCodeScanPopup.qml" line="245"/>
         <source>Plase wait</source>
         <translation type="unfinished"></translation>
     </message>
     <message id="#invalidQrCode">
-        <location filename="../qml/Components/QrCodeScanPopup.qml" line="189"/>
+        <location filename="../qml/Components/QrCodeScanPopup.qml" line="251"/>
         <source>Invalid QR-Code</source>
         <translation type="unfinished"></translation>
     </message>

sources/bluerockbackend.cpp

@@ -130,8 +130,10 @@ void BlueRockBackend::shareResultsAsPoster(QString url, QString compName) {
 
     QPixmap barcode;
     int size = writer.width() * 0.5;
+
     QZXingEncoderConfig encoderConfig(QZXing::EncoderFormat_QR_CODE, QSize(size, size), QZXing::EncodeErrorCorrectionLevel_M, false, false);
     barcode.convertFromImage(QZXing::encodeData(url, encoderConfig));
+
     painter.drawPixmap((writer.width() - size) / 2, size * 0.5, size, size, barcode);
 
     painter.end();
@@ -140,6 +142,73 @@ void BlueRockBackend::shareResultsAsPoster(QString url, QString compName) {
     this->_shareUtils->sendFile(path, compName, "application/pdf", 1);
 }
 
+bool BlueRockBackend::isCameraPermissionGranted() {
+#ifdef Q_OS_ANDROID
+    QtAndroid::PermissionResult cameraAccess = QtAndroid::checkPermission("android.permission.CAMERA");
+    return cameraAccess == QtAndroid::PermissionResult::Granted;
+#else
+    return false;
+#endif
+}
+
+bool BlueRockBackend::requestCameraPermission() {
+    if(this->isCameraPermissionGranted())
+        return true;
+
+#ifdef Q_OS_ANDROID
+    // try to get permission
+    QtAndroid::PermissionResultMap resultMap = QtAndroid::requestPermissionsSync({"android.permission.CAMERA"});
+    bool resultBool = true;
+    for(QtAndroid::PermissionResult result : resultMap) {
+        if(result != QtAndroid::PermissionResult::Granted) {
+            resultBool = false;
+        }
+    }
+
+    if(resultBool) {
+        return true;
+    }
+
+    // getting permission the traditional way failed -> open the settings app
+    QAndroidJniObject activity = QAndroidJniObject::callStaticObjectMethod("org/qtproject/qt5/android/QtNative", "activity", "()Landroid/app/Activity;");
+    if (activity.isValid())
+    {
+        // get the package name
+        QAndroidJniObject context = QtAndroid::androidContext();
+        QAndroidJniObject applicationPackageName = context.callObjectMethod<jstring>("getPackageName");
+
+        QAndroidJniObject param = QAndroidJniObject::fromString("package:" + applicationPackageName.toString());
+
+        // Equivalent to Jave code: 'Uri uri = Uri::parse("...");'
+        QAndroidJniObject uri = QAndroidJniObject::callStaticObjectMethod("android/net/Uri", "parse", "(Ljava/lang/String;)Landroid/net/Uri;", param.object<jstring>());
+        if (!uri.isValid()) {
+            qWarning("ERROR: Unable to create Uri object");
+            return false;
+        }
+        QAndroidJniObject packageName = QAndroidJniObject::fromString("android.settings.APPLICATION_DETAILS_SETTINGS");
+
+        QAndroidJniObject intent("android/content/Intent","(Ljava/lang/String;)V", packageName.object<jstring>());
+        if (!intent.isValid()) {
+            qWarning("ERROR: Unable to create Intent object");
+            return false;
+        }
+        intent.callObjectMethod("addCategory", "(Ljava/lang/String;)Landroid/content/Intent;", QAndroidJniObject::fromString("android.intent.category.DEFAULT").object<jstring>());
+        intent.callObjectMethod("setData", "(Landroid/net/Uri;)Landroid/content/Intent;", uri.object<jobject>());
+
+        activity.callMethod<void>("startActivity","(Landroid/content/Intent;)V",intent.object<jobject>());
+    }
+    else {
+        qWarning() << "ERROR: Activity not valid!";
+        return false;
+    }
+
+    return true;
+#else
+    return false;
+#endif
+
+}
+
 // ------------------------
 // --- Helper functions ---
 // ------------------------