mobile/dive-list: add indicator that dive list is being processed

This should deal with the rather confusing 'No dive in dive list' shown
while loading and processing the dive list.

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

mobile-widgets/qml/DiveList.qml

@@ -346,11 +346,15 @@ Kirigami.ScrollablePage {
 	}
 
 	Controls.Label {
+		property bool showProcessingText: manager.diveListProcessing
 		anchors.fill: parent
 		horizontalAlignment: Text.AlignHCenter
 		verticalAlignment: Text.AlignVCenter
-		text: diveListModel ? qsTr("No dives in dive list") : qsTr("Please wait, updating the dive list")
+		text: diveListModel && !showProcessingText ? qsTr("No dives in dive list") : qsTr("Please wait, updating the dive list")
 		visible: diveListView.visible && diveListView.count === 0
+		onShowProcessingTextChanged: {
+			manager.appendTextToLog("============diveListProcessing is " + showProcessingText)
+		}
 	}
 
 	Rectangle {

mobile-widgets/qmlmanager.cpp

@@ -164,6 +164,7 @@ void QMLManager::usbRescan()
 
 QMLManager::QMLManager() : m_locationServiceEnabled(false),
 	m_verboseEnabled(false),
+	m_diveListProcessing(false),
 	m_pluggedInDeviceName(""),
 	m_showNonDiveComputers(false),
 	undoAction(Command::undoAction(this)),
@@ -324,6 +325,7 @@ void QMLManager::openLocalThenRemote(QString url)
 {
 	// clear out the models and the fulltext index
 	MobileModels::instance()->clear();
+	setDiveListProcessing(true);
 	setNotificationText(tr("Open local dive data file"));
 	appendTextToLog(QString("Open dive data file %1 - git_local only is %2").arg(url).arg(git_local_only));
 	QByteArray encodedFilename = QFile::encodeName(url);
@@ -385,6 +387,7 @@ void QMLManager::openLocalThenRemote(QString url)
 		appendTextToLog(QStringLiteral("have cloud credentials, but user asked not to connect to network"));
 
 	updateAllGlobalLists();
+	setDiveListProcessing(false);
 }
 
 // Convenience function to accesss dive directly via its row.
@@ -664,7 +667,7 @@ void QMLManager::loadDivesWithValidCredentials()
 		appendTextToLog("Cloud sync shows local cache was current");
 	} else {
 		appendTextToLog("Cloud sync brought newer data, reloading the dive list");
-
+		setDiveListProcessing(true);
 		// if we aren't switching from no-cloud mode, let's clear the dive data
 		if (!noCloudToCloud) {
 			appendTextToLog("Clear out in memory dive data");
@@ -684,6 +687,7 @@ void QMLManager::loadDivesWithValidCredentials()
 			error = parse_file(fileNamePrt.data(), &dive_table, &trip_table, &dive_site_table);
 		}
 		lockAlreadySaving.unlock();
+		setDiveListProcessing(false);
 		if (!error) {
 			report_error("filename is now %s", fileNamePrt.data());
 			set_filename(fileNamePrt.data());
@@ -2172,3 +2176,12 @@ QString QMLManager::getRedoText() const
 	QString redoText = Command::getUndoStack()->redoText();
 	return redoText;
 }
+
+void QMLManager::setDiveListProcessing(bool value)
+{
+	if (m_diveListProcessing != value) {
+		m_diveListProcessing = value;
+		emit diveListProcessingChanged();
+	}
+
+}

mobile-widgets/qmlmanager.h

@@ -58,6 +58,7 @@ class QMLManager : public QObject {
 	Q_PROPERTY(qPrefCloudStorage::cloud_status oldStatus MEMBER m_oldStatus WRITE setOldStatus NOTIFY oldStatusChanged)
 	Q_PROPERTY(QString undoText READ getUndoText NOTIFY undoTextChanged) // this is a read-only property
 	Q_PROPERTY(QString redoText READ getRedoText NOTIFY redoTextChanged) // this is a read-only property
+	Q_PROPERTY(bool diveListProcessing MEMBER m_diveListProcessing  WRITE setDiveListProcessing NOTIFY diveListProcessingChanged)
 
 public:
 	QMLManager();
@@ -152,6 +153,8 @@ public:
 
 	void setShowNonDiveComputers(bool show);
 
+	void setDiveListProcessing(bool value);
+
 	QStringList suitList() const;
 	QStringList buddyList() const;
 	QStringList divemasterList() const;
@@ -250,6 +253,7 @@ private:
 	bool m_locationServiceEnabled;
 	bool m_locationServiceAvailable;
 	bool m_verboseEnabled;
+	bool m_diveListProcessing;
 	GpsLocation *locationProvider;
 	bool m_loadFromCloud;
 	static QMLManager *m_instance;
@@ -288,6 +292,7 @@ signals:
 	void locationServiceEnabledChanged();
 	void locationServiceAvailableChanged();
 	void verboseEnabledChanged();
+	void diveListProcessingChanged();
 	void logTextChanged();
 	void loadFromCloudChanged();
 	void startPageTextChanged();