Add event handlers to video and image wathcher add and remove events

src/MediaServer/MediaServer.cpp

@@ -11,20 +11,53 @@
 namespace ofx {
 namespace piMapper {
 
-MediaServer::MediaServer()
-    : videoWatcher(ofToDataPath(DEFAULT_VIDEOS_DIR, true), true),
-      imageWatcher(ofToDataPath(DEFAULT_IMAGES_DIR, true), false) {}
+  MediaServer::MediaServer():
+    videoWatcher(ofToDataPath(DEFAULT_VIDEOS_DIR, true), true),
+    imageWatcher(ofToDataPath(DEFAULT_IMAGES_DIR, true), false) {
+      addWatcherListeners();
+  }
 
-MediaServer::~MediaServer() {};
+  MediaServer::~MediaServer() {
+    removeWatcherListeners();
+  };
 
-int MediaServer::getNumImages() { return imageWatcher.getFilePaths().size(); }
-int MediaServer::getNumVideos() { return videoWatcher.getFilePaths().size(); }
+  int MediaServer::getNumImages() { return imageWatcher.getFilePaths().size(); }
+  int MediaServer::getNumVideos() { return videoWatcher.getFilePaths().size(); }
 
-std::vector<std::string>& MediaServer::getImagePaths() {
-  return imageWatcher.getFilePaths();
-}
-std::vector<std::string>& MediaServer::getVideoPaths() {
-  return videoWatcher.getFilePaths();
-}
-}
-}
+  std::vector<std::string>& MediaServer::getImagePaths() {
+    return imageWatcher.getFilePaths();
+  }
+  std::vector<std::string>& MediaServer::getVideoPaths() {
+    return videoWatcher.getFilePaths();
+  }
+  
+  void MediaServer::onImageAdded(string& path) {
+    cout << "onImageAdded: " << path << endl;
+  }
+  void MediaServer::onImageRemoved(string& path) {
+    cout << "onImageRemoved: " << path << endl;
+  }
+ 
+  void MediaServer::onVideoAdded(string& path) {
+    cout << "onVideoAdded: " << path << endl;
+  }
+  void MediaServer::onVideoRemoved(string& path) {
+    cout << "onVideoRemoved: " << path << endl;
+  }
+  
+  void MediaServer::addWatcherListeners() {
+    ofAddListener(imageWatcher.onItemAdded, this, &MediaServer::onImageAdded);
+    ofAddListener(imageWatcher.onItemRemoved, this, &MediaServer::onImageRemoved);
+    ofAddListener(videoWatcher.onItemAdded, this, &MediaServer::onVideoAdded);
+    ofAddListener(videoWatcher.onItemRemoved, this, &MediaServer::onVideoRemoved);
+  }
+  
+  void MediaServer::removeWatcherListeners() {
+    ofRemoveListener(imageWatcher.onItemAdded, this, &MediaServer::onImageAdded);
+    ofRemoveListener(imageWatcher.onItemRemoved, this, &MediaServer::onImageRemoved);
+    ofRemoveListener(videoWatcher.onItemAdded, this, &MediaServer::onVideoAdded);
+    ofRemoveListener(videoWatcher.onItemRemoved, this, &MediaServer::onVideoRemoved);
+  }
+  
+} // namespace piMapper
+} // namespace ofx

src/MediaServer/MediaServer.h

@@ -34,6 +34,33 @@ class MediaServer {
   // Directory Watchers
   ofx::piMapper::DirectoryWatcher videoWatcher;
   ofx::piMapper::DirectoryWatcher imageWatcher;
+   
+  // imageWatcher event listeners
+  void onImageAdded(string& path);
+  void onImageRemoved(string& path);
+  // TODO rest of listeners
+  /*
+  void onImageModified();
+  void onImageMovedFrom();
+  void onImageMovedTo();
+  */
+  
+  // videoWatcher event listeners
+  void onVideoAdded(string& path);
+  void onVideoRemoved(string& path);
+  // TODO rest of listeners
+  /*
+   void onVideoModified();
+   void onVideoMovedFrom();
+   void onVideoMovedTo();
+   */
+   
+  // Add/remove event listeners.
+  // Add event listeners to image and video watcher events.
+  void addWatcherListeners();
+  
+  // Remove event listeners to image and video watcher events
+  void removeWatcherListeners();
 };
-}
-}
+} // namespace piMapper
+} // namespace ofx