From 07e25181666cd8ce1fa7197afd5c4941d9b4e7dc Mon Sep 17 00:00:00 2001
From: Paul Davis <paul@linuxaudiosystems.com>
Date: Thu, 8 Sep 2022 07:46:56 -0600
Subject: [PATCH] steps towards downloading loop libraries

---
 gtk2_ardour/library_download_dialog.cc | 42 ++++++++++++++++++++++++++
 gtk2_ardour/library_download_dialog.h  |  5 +++
 2 files changed, 47 insertions(+)

diff --git a/gtk2_ardour/library_download_dialog.cc b/gtk2_ardour/library_download_dialog.cc
index 328bc3442c..38859d5e68 100644
--- a/gtk2_ardour/library_download_dialog.cc
+++ b/gtk2_ardour/library_download_dialog.cc
@@ -16,14 +16,20 @@
  * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
  */
 
+#include <iostream>
+
 #include "pbd/i18n.h"
 
 #include <glibmm/markup.h>
 
+#include "ardour/rc_configuration.h"
 #include "ardour/library.h"
 
 #include "library_download_dialog.h"
 
+using namespace ARDOUR;
+using std::string;
+
 LibraryDownloadDialog::LibraryDownloadDialog ()
 	: ArdourDialog (_("Loop Library Manager"), true) /* modal */
 {
@@ -67,6 +73,7 @@ LibraryDownloadDialog::add_library (ARDOUR::LibraryDescription const & ld)
 	(*i)[_columns.license] = ld.license();
 	(*i)[_columns.size] = ld.size();
 	(*i)[_columns.installed] = ld.installed();
+	(*i)[_columns.url] = ld.url();
 
 	/* tooltip must be escape for pango markup, and we should strip all
 	 * duplicate spaces
@@ -80,4 +87,39 @@ LibraryDownloadDialog::add_library (ARDOUR::LibraryDescription const & ld)
 void
 LibraryDownloadDialog::install_activated (std::string str)
 {
+	Gtk::TreeModel::iterator row = _model->get_iter (Gtk::TreePath (str));
+	std::string url = (*row)[_columns.url];
+
+	std::cerr << "will download " << url << " to " << Config->get_clip_library_dir() << std::endl;
+
+	ARDOUR::Downloader* downloader = new ARDOUR::Downloader (url, ARDOUR::Config->get_clip_library_dir());
+
+	/* setup timer callback to update progressbar */
+
+	Glib::signal_timeout().connect (sigc::bind (sigc::mem_fun (*this, &LibraryDownloadDialog::dl_timer_callback), downloader, str), 40);
+
+	/* and go ... */
+
+	downloader->start ();
+
+	(*row)[_columns.downloader] = downloader;
+
+	/* and back to the GUI, though we're modal so not much is possible */
+}
+
+bool
+LibraryDownloadDialog::dl_timer_callback (Downloader* dl, std::string path_str)
+{
+	double prog = dl->progress();
+
+	std::cerr << "prog: " << prog << std::endl;
+
+	/* set something based on this */
+	if (dl->status() != 0) {
+		delete dl;
+		Gtk::TreeModel::iterator row = _model->get_iter (Gtk::TreePath (path_str));
+		(*row)[_columns.downloader] = 0;
+		return false; /* no more calls, done or cancelled */
+	}
+	return true;
 }
diff --git a/gtk2_ardour/library_download_dialog.h b/gtk2_ardour/library_download_dialog.h
index 28d4e0f552..9fc6032b9c 100644
--- a/gtk2_ardour/library_download_dialog.h
+++ b/gtk2_ardour/library_download_dialog.h
@@ -29,6 +29,7 @@
 
 namespace ARDOUR {
 	class LibraryDescription;
+	class Downloader;
 }
 
 class LibraryDownloadDialog : public ArdourDialog
@@ -48,6 +49,7 @@ class LibraryDownloadDialog : public ArdourDialog
 			add (size);
 			add (installed);
 			add (description);
+			add (url);
 		}
 
 		Gtk::TreeModelColumn<std::string> name;
@@ -55,7 +57,9 @@ class LibraryDownloadDialog : public ArdourDialog
 		Gtk::TreeModelColumn<std::string> license;
 		Gtk::TreeModelColumn<std::string> size;
 		Gtk::TreeModelColumn<std::string> description;
+		Gtk::TreeModelColumn<std::string> url;
 		Gtk::TreeModelColumn<bool> installed;
+		Gtk::TreeModelColumn<ARDOUR::Downloader*> downloader;
 	};
 
 	Gtk::TreeView _display;
@@ -81,6 +85,7 @@ class LibraryDownloadDialog : public ArdourDialog
 	void setup_toggle (Gtk::TreeViewColumn*, sigc::slot<void, std::string>);
 
 	void install_activated (std::string str);
+	bool dl_timer_callback (ARDOUR::Downloader*, std::string);
 };