LASH project saving/restoring.

git-svn-id: http://svn.drobilla.net/lad/raul@400 a436a847-0d15-0410-975c-d299462d15a1

4 files changed, 333 insertions, 2 deletions

diff --git a/src/LashClient.cpp b/src/LashClient.cpp
new file mode 100644
index 0000000..aa035a5
--- /dev/null
+++ b/src/LashClient.cpp
@@ -0,0 +1,80 @@
+/* This file is part of Raul.
+ * Copyright (C) 2007 Dave Robillard <http://drobilla.net>
+ * 
+ * Raul is free software; you can redistribute it and/or modify it under the
+ * terms of the GNU General Public License as published by the Free Software
+ * Foundation; either version 2 of the License, or (at your option) any later
+ * version.
+ * 
+ * Raul is distributed in the hope that it will be useful, but WITHOUT ANY
+ * WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
+ * FOR A PARTICULAR PURPOSE.  See the GNU General Public License for details.
+ * 
+ * You should have received a copy of the GNU General Public License along
+ * with this program; if not, write to the Free Software Foundation, Inc.,
+ * 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
+ */
+
+#include <raul/LashClient.h>
+
+using namespace std;
+
+namespace Raul {
+
+
+LashClient::LashClient(lash_client_t* lash_client)
+	: _lash_client(lash_client)
+{
+}
+
+
+LashClient::~LashClient()
+{
+
+}
+
+
+
+SharedPtr<LashClient>
+LashClient::create(
+		lash_args_t*    args,
+        const string& name,
+        int           flags)
+{
+	SharedPtr<LashClient> result;
+
+	lash_client_t* client = lash_init(args, name.c_str(),
+			flags, LASH_PROTOCOL(2, 0));
+
+	if (client)
+		result = SharedPtr<LashClient>(new LashClient(client));
+
+	return result;
+}
+
+	
+/** Process all pending LASH events.
+ *
+ * This should be called regularly to keep track of LASH state.
+ */
+void
+LashClient::process_events()
+{
+	lash_event_t*  ev = NULL;
+	lash_config_t* conf = NULL;
+
+	// Process events
+	while ((ev = lash_get_event(_lash_client)) != NULL) {
+		handle_event(ev);
+		lash_event_destroy(ev);	
+	}
+
+	// Process configs
+	while ((conf = lash_get_config(_lash_client)) != NULL) {
+		handle_config(conf);
+		lash_config_destroy(conf);	
+	}
+}
+
+
+} // namespace Raul
diff --git a/src/LashProject.cpp b/src/LashProject.cpp
new file mode 100644
index 0000000..77f6d7d
--- /dev/null
+++ b/src/LashProject.cpp
@@ -0,0 +1,83 @@
+/* This file is part of Raul.
+ * Copyright (C) 2007 Dave Robillard <http://drobilla.net>
+ * 
+ * Raul is free software; you can redistribute it and/or modify it under the
+ * terms of the GNU General Public License as published by the Free Software
+ * Foundation; either version 2 of the License, or (at your option) any later
+ * version.
+ * 
+ * Raul is distributed in the hope that it will be useful, but WITHOUT ANY
+ * WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
+ * FOR A PARTICULAR PURPOSE.  See the GNU General Public License for details.
+ * 
+ * You should have received a copy of the GNU General Public License along
+ * with this program; if not, write to the Free Software Foundation, Inc.,
+ * 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
+ */
+
+#include <raul/LashProject.h>
+
+using namespace std;
+
+namespace Raul {
+
+LashProject::LashProject(SharedPtr<LashClient> client, const string& name)
+	: _client(client)
+	, _name(name)
+{
+}
+
+
+void
+LashProject::save()
+{
+	SharedPtr<LashClient> client = _client.lock();
+	if (client) {
+		lash_event_t* event = lash_event_new_with_type(LASH_Save);
+		lash_event_set_project(event, _name.c_str());
+		lash_send_event(client->lash_client(), event);
+	}
+}
+
+
+void
+LashProject::close()
+{
+	SharedPtr<LashClient> client = _client.lock();
+	if (client) {
+		lash_event_t* event = lash_event_new_with_type(LASH_Project_Remove);
+		lash_event_set_project(event, _name.c_str());
+		lash_send_event(client->lash_client(), event);
+	}
+}
+
+
+void
+LashProject::set_directory(const string& filename)
+{
+	SharedPtr<LashClient> client = _client.lock();
+	if (client) {
+		lash_event_t* event = lash_event_new_with_type(LASH_Project_Dir);
+		lash_event_set_project(event, _name.c_str());
+		lash_event_set_string(event, filename.c_str());
+		lash_send_event(client->lash_client(), event);
+	}
+}
+
+
+void
+LashProject::set_name(const string& name)
+{
+	SharedPtr<LashClient> client = _client.lock();
+	if (client) {
+		lash_event_t* event = lash_event_new_with_type(LASH_Project_Name);
+		lash_event_set_project(event, _name.c_str());
+		lash_event_set_string(event, name.c_str());
+		lash_send_event(client->lash_client(), event);
+	}
+	
+	_name = name;
+}
+
+
+} // namespace Raul
diff --git a/src/LashServerInterface.cpp b/src/LashServerInterface.cpp
new file mode 100644
index 0000000..07a50c3
--- /dev/null
+++ b/src/LashServerInterface.cpp
@@ -0,0 +1,164 @@
+/* This file is part of Raul.
+ * Copyright (C) 2007 Dave Robillard <http://drobilla.net>
+ * 
+ * Raul is free software; you can redistribute it and/or modify it under the
+ * terms of the GNU General Public License as published by the Free Software
+ * Foundation; either version 2 of the License, or (at your option) any later
+ * version.
+ * 
+ * Raul is distributed in the hope that it will be useful, but WITHOUT ANY
+ * WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
+ * FOR A PARTICULAR PURPOSE.  See the GNU General Public License for details.
+ * 
+ * You should have received a copy of the GNU General Public License along
+ * with this program; if not, write to the Free Software Foundation, Inc.,
+ * 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
+ */
+
+#include <iostream>
+#include <raul/LashServerInterface.h>
+
+using namespace std;
+
+namespace Raul {
+
+
+LashServerInterface::LashServerInterface(lash_client_t* lash_client)
+	: LashClient(lash_client)
+{
+}
+
+
+SharedPtr<LashServerInterface>
+LashServerInterface::create(
+		lash_args_t*    args,
+        const string&   name,
+		int             flags)
+{
+	SharedPtr<LashServerInterface> result;
+
+	lash_client_t* client = lash_init(args, name.c_str(),
+			flags | LASH_Server_Interface, LASH_PROTOCOL(2, 0));
+
+	if (client)
+		result = SharedPtr<LashServerInterface>(new LashServerInterface(client));
+
+	return result;
+}
+
+
+void
+LashServerInterface::handle_event(lash_event_t* ev)
+{
+	LASH_Event_Type type = lash_event_get_type(ev);
+	const char*     c_str = lash_event_get_string(ev);
+	const string    str   = (c_str == NULL) ? "" : c_str;
+
+	SharedPtr<LashProject> p;
+	
+	//cout << "[LashDriver] LASH Event.  Type = " << (unsigned int)type << ", string = " << str << "**********" << endl;
+	
+	switch (type) {
+	case LASH_Project_Add:
+		p = project(str);
+		if (!p) {
+			SharedPtr<LashProject> project(new LashProject(shared_from_this(), str));
+			_projects.push_back(project);
+			signal_project_add.emit(project);
+		}
+		break;
+	case LASH_Project_Remove:
+		p = project(lash_event_get_project(ev));
+		if (p) {
+			signal_project_remove.emit(p);
+			_projects.remove(p);
+		}
+		break;
+	case LASH_Project_Dir:
+		p = project(lash_event_get_project(ev));
+		if (p) {
+			p->set_directory(str);
+			p->signal_directory.emit(str);
+		}
+		break;
+	case LASH_Project_Name:
+		p = project(lash_event_get_project(ev));
+		if (p) {
+			p->set_name(str);
+			p->signal_name.emit(str);
+		}
+		break;
+	case LASH_Client_Add:
+		break;
+	case LASH_Client_Name:
+		break;
+	case LASH_Jack_Client_Name:
+		break;
+	case LASH_Alsa_Client_ID:
+		break;
+	case LASH_Percentage:
+		break;
+	case LASH_Save:
+		break;
+	case LASH_Restore_Data_Set:
+		break;
+	case LASH_Server_Lost:
+		break;
+	case LASH_Client_Remove:
+		break;
+	case LASH_Save_File:
+		break;
+	case LASH_Restore_File:
+		break;
+	case LASH_Save_Data_Set:
+		break;
+	case LASH_Quit:
+		_lash_client = NULL;
+		signal_quit.emit();
+		break;
+	}
+
+	LashClient::handle_event(ev);
+}
+	
+
+void
+LashServerInterface::restore_project(const std::string& filename)
+{
+	lash_event_t* event = lash_event_new_with_type(LASH_Project_Add);
+	lash_event_set_string(event, filename.c_str());
+	lash_send_event(lash_client(), event);
+}
+
+
+bool
+project_comparator(SharedPtr<LashProject> project, const std::string& name)
+{
+	return (project->name() == name);
+}
+
+
+SharedPtr<LashProject>
+LashServerInterface::project(const std::string& name)
+{
+	for (Projects::iterator p = _projects.begin(); p != _projects.end(); ++p)
+		if ((*p)->name() == name)
+			return *p;
+
+	return SharedPtr<LashProject>();
+}
+
+
+void
+LashServerInterface::project_closed(const string& name)
+{
+	for (Projects::iterator p = _projects.begin(); p != _projects.end(); ++p) {
+		if ((*p)->name() == name) {
+			_projects.erase(p);
+			break;
+		}
+	}
+}
+
+
+} // namespace Raul
diff --git a/src/Makefile.am b/src/Makefile.am
index 646eacc..ce58a21 100644
--- a/src/Makefile.am
+++ b/src/Makefile.am
@@ -1,5 +1,5 @@
-libraul_la_CXXFLAGS = -I$(top_srcdir) @RAPTOR_CFLAGS@ @RASQAL_CFLAGS@ @GLIBMM_CFLAGS@ @JACK_CFLAGS@
-libraul_la_LIBADD = @RAPTOR_LIBS@ @RASQAL_LIBS@ @GLIBMM_LIBS@ @JACK_LIBS@
+libraul_la_CXXFLAGS = -I$(top_srcdir) @RAPTOR_CFLAGS@ @RASQAL_CFLAGS@ @GLIBMM_CFLAGS@ @JACK_CFLAGS@ @LASH_CFLAGS@
+libraul_la_LIBADD = @RAPTOR_LIBS@ @RASQAL_LIBS@ @GLIBMM_LIBS@ @JACK_LIBS@ @LASH_LIBS@
 
 lib_LTLIBRARIES = libraul.la
 
@@ -22,3 +22,7 @@ endif
 if WITH_JACK
 libraul_la_SOURCES += JackDriver.cpp
 endif
+
+if WITH_LASH
+libraul_la_SOURCES += LashClient.cpp LashServerInterface.cpp LashProject.cpp
+endif