mobile: send logfiles as attachments on iOS as well

This was added for Android a while ago, but now this works on iOS as well which
is a very welcome addition for the recipient of these support emails (i.e. me).

Signed-off-by: Dirk Hohndel <dirk@hohndel.org>

CHANGELOG.md

@@ -1,5 +1,6 @@
 divelist: do not include planned versions of a dive if there is real data
 desktop: fix key composition in tag widgets and dive site widget
+mobile: send log files as attachments for support emails on iOS
 mobile: allow cloud account deletion (Apple app store requirement)
 mobile: fix listing of local cloud cache directories
 dive computer support:

mobile-widgets/qmlmanager.cpp

@@ -58,7 +58,6 @@
 #include <QtAndroid>
 #include "core/serial_usb_android.h"
 std::vector<android_usb_serial_device_descriptor> androidSerialDevices;
-
 #endif
 
 QMLManager *QMLManager::m_instance = NULL;
@@ -506,7 +505,16 @@ bool QMLManager::createSupportEmail()
 			return true;
 	}
 	qDebug() << __FUNCTION__ << "failed to share the logFiles via intent, use the fall-back mail body method";
+#elif defined(Q_OS_IOS)
+	// call into objC++ code to share on iOS
+	QString libdcLogFileName(logfile_name);
+	iosshare.supportEmail(appLogFileName, libdcLogFileName);
+	// Unfortunately I haven't been able to figure out how to wait until the mail was sent
+	// so that this could tell us whether this was successful or not
+	// We always assume it worked and return to the caller.
+	return true;
 #endif
+	// fallback code that tries to copy the logs into the message body and uses the Qt send email method
 	QString mailToLink = "mailto:in-app-support@subsurface-divelog.org?subject=Subsurface-mobile support request";
 	mailToLink += "&body=";
 	mailToLink += messageBody;

mobile-widgets/qmlmanager.h

@@ -19,6 +19,8 @@
 
 #if defined(Q_OS_ANDROID)
 #include "core/serial_usb_android.h"
+#elif defined(Q_OS_IOS)
+#include "ios/ios-share.h"
 #endif
 
 class QAction;
@@ -266,6 +268,9 @@ private:
 	QString appLogFileName;
 	QFile appLogFile;
 	bool appLogFileOpen;
+#endif
+#if defined(Q_OS_IOS)
+	IosShare iosshare;
 #endif
 	qPrefCloudStorage::cloud_status m_oldStatus;