+ std::string descriptions[NUM_CAMERAS];
+ unsigned stream_idx = 0; // For the playlist only.
+};
+
+class DataChangedReceiver {
+public:
+ virtual void emit_data_changed(size_t row) = 0;
+};
+
+// Like a smart pointer to a Clip, but emits dataChanged when it goes out of scope.
+struct ClipProxy {
+public:
+ ClipProxy(Clip &clip, DataChangedReceiver *clip_list, size_t row)
+ : clip(clip), clip_list(clip_list), row(row) {}
+ ~ClipProxy() {
+ if (clip_list != nullptr) {
+ clip_list->emit_data_changed(row);
+ }
+ }
+ Clip *operator->() { return &clip; }
+ Clip &operator*() { return clip; }
+
+private:
+ Clip &clip;
+ DataChangedReceiver *clip_list;
+ size_t row;