projectmanagers: set title automatically and pass cancelled signal to sub functions

app/project/projectimportmanager.cpp

@@ -16,6 +16,8 @@ ProjectImportManager::ProjectImportManager(ProjectViewModel *model, Folder *fold
   }
 
   file_count_ = Core::CountFilesInFileList(filenames_);
+
+  SetTitle(tr("Importing %1 files").arg(file_count_));
 }
 
 const int &ProjectImportManager::GetFileCount()
@@ -91,7 +93,7 @@ void ProjectImportManager::Import(Folder *folder, const QFileInfoList &import, i
       // FIXME: Perhaps re-think this approach at some point
       f->set_project(model_->project());
 
-      Decoder::ProbeMedia(f.get());
+      Decoder::ProbeMedia(f.get(), &IsCancelled());
 
       f->set_project(nullptr);
 

app/project/projectloadmanager.cpp

@@ -7,6 +7,7 @@
 ProjectLoadManager::ProjectLoadManager(const QString &filename) :
   filename_(filename)
 {
+  SetTitle(tr("Loading '%1'").arg(filename));
 }
 
 void ProjectLoadManager::Action()
@@ -29,22 +30,27 @@ void ProjectLoadManager::Action()
 
           project->set_filename(filename_);
 
-          project->Load(&reader);
+          project->Load(&reader, &IsCancelled());
 
           // Ensure project is in main thread
           moveToThread(qApp->thread());
 
-          emit ProjectLoaded(project);
+          if (!IsCancelled()) {
+            emit ProjectLoaded(project);
+          }
         }
       }
     }
 
     if (reader.hasError()) {
       qDebug() << "Found XML error:" << reader.errorString();
+      emit Failed(reader.errorString());
+    } else {
+      emit Succeeded();
     }
 
     project_file.close();
   }
 
-  emit Succeeeded();
+
 }

app/project/projectsavemanager.cpp

@@ -6,7 +6,7 @@
 ProjectSaveManager::ProjectSaveManager(Project *project) :
   project_(project)
 {
-
+  SetTitle(tr("Saving '%1'").arg(project->filename()));
 }
 
 void ProjectSaveManager::Action()
@@ -32,5 +32,5 @@ void ProjectSaveManager::Action()
     project_file.close();
   }
 
-  emit Succeeeded();
+  emit Succeeded();
 }