Finer control for plugins

Split save mission to Json file in two so you have the option to saving it to a file or to a QByteArray Json blob.
Virtualize all camera functions to allow deeper access.

src/Camera/QGCCameraControl.h

@@ -202,16 +202,16 @@ protected:
     virtual void    _setCameraMode          (CameraMode mode);
 
 protected slots:
-    void    _initWhenReady                  ();
-    void    _requestCameraSettings          ();
-    void    _requestAllParameters           ();
-    void    _requestParamUpdates            ();
-    void    _requestCaptureStatus           ();
-    void    _requestStorageInfo             ();
-    void    _downloadFinished               ();
-    void    _mavCommandResult               (int vehicleId, int component, int command, int result, bool noReponseFromVehicle);
-    void    _dataReady                      (QByteArray data);
-    void    _paramDone                      ();
+    virtual void    _initWhenReady          ();
+    virtual void    _requestCameraSettings  ();
+    virtual void    _requestAllParameters   ();
+    virtual void    _requestParamUpdates    ();
+    virtual void    _requestCaptureStatus   ();
+    virtual void    _requestStorageInfo     ();
+    virtual void    _downloadFinished       ();
+    virtual void    _mavCommandResult       (int vehicleId, int component, int command, int result, bool noReponseFromVehicle);
+    virtual void    _dataReady              (QByteArray data);
+    virtual void    _paramDone              ();
 
 private:
     bool    _handleLocalization             (QByteArray& bytes);

src/Camera/QGCCameraManager.h

@@ -34,19 +34,19 @@ signals:
     void    camerasChanged                  ();
 
 protected slots:
-    void    _vehicleReady           (bool ready);
-    void    _mavlinkMessageReceived (const mavlink_message_t& message);
+    virtual void    _vehicleReady           (bool ready);
+    virtual void    _mavlinkMessageReceived (const mavlink_message_t& message);
 
 protected:
-    QGCCameraControl* _findCamera   (int id);
-    void    _requestCameraInfo      (int compID);
-    void    _handleHeartbeat        (const mavlink_message_t& message);
-    void    _handleCameraInfo       (const mavlink_message_t& message);
-    void    _handleStorageInfo      (const mavlink_message_t& message);
-    void    _handleCameraSettings   (const mavlink_message_t& message);
-    void    _handleParamAck         (const mavlink_message_t& message);
-    void    _handleParamValue       (const mavlink_message_t& message);
-    void    _handleCaptureStatus    (const mavlink_message_t& message);
+    virtual QGCCameraControl* _findCamera   (int id);
+    virtual void    _requestCameraInfo      (int compID);
+    virtual void    _handleHeartbeat        (const mavlink_message_t& message);
+    virtual void    _handleCameraInfo       (const mavlink_message_t& message);
+    virtual void    _handleStorageInfo      (const mavlink_message_t& message);
+    virtual void    _handleCameraSettings   (const mavlink_message_t& message);
+    virtual void    _handleParamAck         (const mavlink_message_t& message);
+    virtual void    _handleParamValue       (const mavlink_message_t& message);
+    virtual void    _handleCaptureStatus    (const mavlink_message_t& message);
 
 protected:
     Vehicle*            _vehicle;

src/MissionManager/PlanMasterController.cc

@@ -335,6 +335,22 @@ void PlanMasterController::loadFromFile(const QString& filename)
     }
 }
 
+QJsonDocument PlanMasterController::saveToJson()
+{
+    QJsonObject planJson;
+    QJsonObject missionJson;
+    QJsonObject fenceJson;
+    QJsonObject rallyJson;
+    JsonHelper::saveQGCJsonFileHeader(planJson, _planFileType, _planFileVersion);
+    _missionController.save(missionJson);
+    _geoFenceController.save(fenceJson);
+    _rallyPointController.save(rallyJson);
+    planJson[_jsonMissionObjectKey] = missionJson;
+    planJson[_jsonGeoFenceObjectKey] = fenceJson;
+    planJson[_jsonRallyPointsObjectKey] = rallyJson;
+    return QJsonDocument(planJson);
+}
+
 void PlanMasterController::saveToFile(const QString& filename)
 {
     if (filename.isEmpty()) {
@@ -351,20 +367,7 @@ void PlanMasterController::saveToFile(const QString& filename)
     if (!file.open(QIODevice::WriteOnly | QIODevice::Text)) {
         qgcApp()->showMessage(tr("Plan save error %1 : %2").arg(filename).arg(file.errorString()));
     } else {
-        QJsonObject planJson;
-        QJsonObject missionJson;
-        QJsonObject fenceJson;
-        QJsonObject rallyJson;
-
-        JsonHelper::saveQGCJsonFileHeader(planJson, _planFileType, _planFileVersion);
-        _missionController.save(missionJson);
-        _geoFenceController.save(fenceJson);
-        _rallyPointController.save(rallyJson);
-        planJson[_jsonMissionObjectKey] = missionJson;
-        planJson[_jsonGeoFenceObjectKey] = fenceJson;
-        planJson[_jsonRallyPointsObjectKey] = rallyJson;
-
-        QJsonDocument saveDoc(planJson);
+        QJsonDocument saveDoc = saveToJson();
         file.write(saveDoc.toJson());
     }
 

src/MissionManager/PlanMasterController.h

@@ -80,6 +80,8 @@ public:
     QStringList saveNameFilters (void) const;
     QStringList saveKmlFilters  (void) const;
 
+    QJsonDocument saveToJson    ();
+
     Vehicle* controllerVehicle(void) { return _controllerVehicle; }
     Vehicle* managerVehicle(void) { return _managerVehicle; }