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-rw-r--r--src/engine/events/EnablePatchEvent.cpp86
1 files changed, 86 insertions, 0 deletions
diff --git a/src/engine/events/EnablePatchEvent.cpp b/src/engine/events/EnablePatchEvent.cpp
new file mode 100644
index 00000000..04759cea
--- /dev/null
+++ b/src/engine/events/EnablePatchEvent.cpp
@@ -0,0 +1,86 @@
+/* This file is part of Ingen.
+ * Copyright (C) 2007 Dave Robillard <http://drobilla.net>
+ *
+ * Ingen 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.
+ *
+ * Ingen 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 "EnablePatchEvent.hpp"
+#include "Responder.hpp"
+#include "Engine.hpp"
+#include "PatchImpl.hpp"
+#include "util.hpp"
+#include "ClientBroadcaster.hpp"
+#include "EngineStore.hpp"
+
+namespace Ingen {
+
+
+EnablePatchEvent::EnablePatchEvent(Engine& engine, SharedPtr<Responder> responder, SampleCount timestamp, const string& patch_path, bool enable)
+: QueuedEvent(engine, responder, timestamp),
+ _patch_path(patch_path),
+ _patch(NULL),
+ _compiled_patch(NULL),
+ _enable(enable)
+{
+}
+
+
+void
+EnablePatchEvent::pre_process()
+{
+ _patch = _engine.engine_store()->find_patch(_patch_path);
+
+ if (_enable && _patch) {
+ /* Any event that requires a new process order will set the patch's
+ * compiled_patch to NULL if it is executed when the patch is not
+ * active. So, if the CP is NULL, calculate it here */
+ if (_patch->compiled_patch() == NULL)
+ _compiled_patch = _patch->compile();
+ }
+
+ QueuedEvent::pre_process();
+}
+
+
+void
+EnablePatchEvent::execute(ProcessContext& context)
+{
+ QueuedEvent::execute(context);
+
+ if (_patch != NULL) {
+ if (_enable)
+ _patch->enable();
+ else
+ _patch->disable();
+
+ if (_enable && _patch->compiled_patch() == NULL)
+ _patch->compiled_patch(_compiled_patch);
+ }
+}
+
+
+void
+EnablePatchEvent::post_process()
+{
+ if (_patch != NULL) {
+ _responder->respond_ok();
+ _engine.broadcaster()->send_property_change(_patch_path, "ingen:enabled", (bool)_enable);
+ } else {
+ _responder->respond_error(string("Patch ") + _patch_path + " not found");
+ }
+}
+
+
+} // namespace Ingen
+