statistics: add a skeleton StatsManager class

In analogy to "QMLManager", add a "StatsManager" class,
which manages the statistics module on mobile.

Signed-off-by: Berthold Stoeger <bstoeger@mail.tuwien.ac.at>

5 files changed, 53 insertions, 0 deletions

diff --git a/Subsurface-mobile.pro b/Subsurface-mobile.pro
index db1ef8911..959af95c8 100644
--- a/Subsurface-mobile.pro
+++ b/Subsurface-mobile.pro
@@ -129,6 +129,7 @@ SOURCES += subsurface-mobile-main.cpp \
 	backend-shared/roundrectitem.cpp \
 	mobile-widgets/qmlinterface.cpp \
 	mobile-widgets/qmlmanager.cpp \
+	mobile-widgets/statsmanager.cpp \
 	mobile-widgets/themeinterface.cpp \
 	qt-models/divesummarymodel.cpp \
 	qt-models/diveplotdatamodel.cpp \
@@ -264,6 +265,7 @@ HEADERS += \
 	backend-shared/roundrectitem.h \
 	mobile-widgets/qmlinterface.h \
 	mobile-widgets/qmlmanager.h \
+	mobile-widgets/statsmanager.h \
 	mobile-widgets/themeinterface.h \
 	map-widget/qmlmapwidgethelper.h \
 	qt-models/divesummarymodel.h \
diff --git a/mobile-widgets/CMakeLists.txt b/mobile-widgets/CMakeLists.txt
index 4e4135a5a..b02929bcb 100644
--- a/mobile-widgets/CMakeLists.txt
+++ b/mobile-widgets/CMakeLists.txt
@@ -3,6 +3,7 @@
 set(SUBSURFACE_MOBILE_SRCS
 	qmlinterface.cpp
 	qmlmanager.cpp
+	statsmanager.cpp
 	themeinterface.cpp
 )
 
diff --git a/mobile-widgets/statsmanager.cpp b/mobile-widgets/statsmanager.cpp
new file mode 100644
index 000000000..2864a5f16
--- /dev/null
+++ b/mobile-widgets/statsmanager.cpp
@@ -0,0 +1,28 @@
+// SPDX-License-Identifier: GPL-2.0
+#include "statsmanager.h"
+
+StatsManager::StatsManager() : view(nullptr)
+{
+	// Test: show some random data. Let's see what happens.
+	state.var1Changed(2);
+	state.var2Changed(3);
+	state.binner2Changed(2);
+}
+
+StatsManager::~StatsManager()
+{
+}
+
+void StatsManager::init(StatsView *v)
+{
+	if (!v)
+		fprintf(stderr, "StatsManager::init(): no StatsView - statistics will not work.\n");
+	view = v;
+}
+
+void StatsManager::doit()
+{
+	if (!view)
+		return;
+	view->plot(state);
+}
diff --git a/mobile-widgets/statsmanager.h b/mobile-widgets/statsmanager.h
new file mode 100644
index 000000000..3cae244c0
--- /dev/null
+++ b/mobile-widgets/statsmanager.h
@@ -0,0 +1,20 @@
+// SPDX-License-Identifier: GPL-2.0
+#ifndef STATSMANAGER_H
+#define STATSMANAGER_H
+
+#include "stats/statsview.h"
+#include "stats/statsstate.h"
+
+class StatsManager : public QObject {
+	Q_OBJECT
+public:
+	StatsManager();
+	~StatsManager();
+	Q_INVOKABLE void init(StatsView *v);
+	Q_INVOKABLE void doit();
+private:
+	StatsView *view;
+	StatsState state;
+};
+
+#endif
diff --git a/subsurface-helper.cpp b/subsurface-helper.cpp
index 45cadcfa1..8fbb74b6a 100644
--- a/subsurface-helper.cpp
+++ b/subsurface-helper.cpp
@@ -16,6 +16,7 @@
 #include "mobile-widgets/themeinterface.h"
 #include "mobile-widgets/qmlmanager.h"
 #include "mobile-widgets/qmlinterface.h"
+#include "mobile-widgets/statsmanager.h"
 #include "qt-models/divesummarymodel.h"
 #include "qt-models/gpslistmodel.h"
 #include "qt-models/messagehandlermodel.h"
@@ -207,6 +208,7 @@ static void register_qml_types(QQmlEngine *engine)
 
 #ifdef SUBSURFACE_MOBILE
 	register_qml_type<QMLManager>("QMLManager");
+	register_qml_type<StatsManager>("StatsManager");
 	register_qml_type<QMLProfile>("QMLProfile");
 	register_qml_type<DiveImportedModel>("DCImportModel");
 	register_qml_type<DiveSummaryModel>("DiveSummaryModel");