Resolve "New processors workflow"

Closes #5 (closed)

include/gnss/processor/processor_gnss_fix.h

@@ -44,7 +44,33 @@ class ProcessorGnssFix : public ProcessorBase
         ProcessorGnssFix(ProcessorParamsGnssFixPtr _params, SensorGnssPtr _sensor_gnss_ptr);
         virtual ~ProcessorGnssFix();
         virtual void configure(SensorBasePtr _sensor);
-        virtual void process(CaptureBasePtr _capture_ptr);
+
+    protected:
+        /** \brief process an incoming capture
+         *
+         * Each derived processor should implement this function. It will be called if:
+         *  - A new capture arrived and triggerInCapture() returned true.
+         */
+        virtual void processCapture(CaptureBasePtr) override;
+
+        /** \brief process an incoming key-frame
+         *
+         * The ProcessorTracker only processes incoming captures (it is not called).
+         */
+        virtual void processKeyFrame(FrameBasePtr _keyframe_ptr, const Scalar& _time_tolerance) override {};
+
+        /** \brief trigger in capture
+         *
+         * Returns true if processCapture() should be called after the provided capture arrived.
+         */
+        virtual bool triggerInCapture(CaptureBasePtr) override;
+
+        /** \brief trigger in key-frame
+         *
+         * The ProcessorTracker only processes incoming captures, then it returns false.
+         */
+        virtual bool triggerInKeyFrame(FrameBasePtr _keyframe_ptr, const Scalar& _time_tolerance) override {return false;}
+
         virtual bool voteForKeyFrame();
 
     private:
@@ -56,6 +82,11 @@ class ProcessorGnssFix : public ProcessorBase
 
 };
 
+inline bool ProcessorGnssFix::triggerInCapture(CaptureBasePtr)
+{
+    return true;
+}
+
 } // namespace wolf
 
 #endif //WOLF_PROCESSOR_GNSS_FIX_H