comparison framework/Document.cpp @ 368:f1cab64363d7 warnfix_no_size_t

Merge from branch tony_integration

             m_doc->addAdditionalModel(model);
             names.push_back(QString());
         }
         vector<Layer *> layers = m_doc->createLayersForDerivedModels
             (models, names);
-        m_handler->layersCreated(m_primary, layers);
+        m_handler->layersCreated(this, m_primary, layers);
         delete this;
     }
 
     void
     noMoreModelsAvailable() {
         std::cerr << "AdditionalModelConverter::noMoreModelsAvailable" << std::endl;
-        m_handler->layersCreated(m_primary, vector<Layer *>());
+        m_handler->layersCreated(this, m_primary, vector<Layer *>());
         delete this;
+    }
+
+    void cancel() {
+        foreach (Layer *layer, m_primary) {
+            Model *model = layer->getModel();
+            if (model) {
+                model->abandon();
+            }
+        }
     }
 
 private:
     Document *m_doc;
     vector<Layer *> m_primary;
     Document::LayerCreationHandler *m_handler; //!!! how to handle destruction of this?
 };
 
-void
+Document::LayerCreationAsyncHandle
 Document::createDerivedLayersAsync(const Transforms &transforms,
                                    const ModelTransformer::Input &input,
                                    LayerCreationHandler *handler)
 {
     QString message;

     amc->setPrimaryLayers(layers);
 
     if (newModels.empty()) {
         //!!! This identifier may be wrong!
         emit modelGenerationFailed(transforms[0].getIdentifier(), message);
+        //!!! what to do with amc?
     } else if (message != "") {
         //!!! This identifier may be wrong!
         emit modelGenerationWarning(transforms[0].getIdentifier(), message);
-    }
+        //!!! what to do with amc?
+    }
+
+    return amc;
+}
+
+void
+Document::cancelAsyncLayerCreation(Document::LayerCreationAsyncHandle h)
+{
+    AdditionalModelConverter *conv = static_cast<AdditionalModelConverter *>(h);
+    conv->cancel();
 }
 
 vector<Layer *>
 Document::createLayersForDerivedModels(vector<Model *> newModels, 
                                        QStringList names)