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authorBent Bisballe Nyeng <deva@aasimon.org>2013-06-29 21:46:10 +0200
committerBent Bisballe Nyeng <deva@aasimon.org>2013-06-29 21:46:10 +0200
commit1827f1ab9bf44490cf24779e0eab8533845b4a77 (patch)
treed374c7cc1aed4af9d351113cd43178a7e1f4b5f9 /src/messagereceiver.cc
parentd6b684158d3549f343d1f4d22f4eefba7c873837 (diff)
New inter-thread message system.
Diffstat (limited to 'src/messagereceiver.cc')
-rw-r--r--src/messagereceiver.cc79
1 files changed, 79 insertions, 0 deletions
diff --git a/src/messagereceiver.cc b/src/messagereceiver.cc
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+++ b/src/messagereceiver.cc
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+/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
+/***************************************************************************
+ * messagereceiver.cc
+ *
+ * Sun Jun 16 12:09:06 CEST 2013
+ * Copyright 2013 Bent Bisballe Nyeng
+ * deva@aasimon.org
+ ****************************************************************************/
+
+/*
+ * This file is part of DrumGizmo.
+ *
+ * DrumGizmo 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.
+ *
+ * DrumGizmo 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 more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with DrumGizmo; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA.
+ */
+#include "messagereceiver.h"
+
+#include <hugin.hpp>
+
+MessageReceiver::MessageReceiver(message_receiver_id_t id)
+{
+ msghandler.addReceiver(id, this);
+}
+
+MessageReceiver::~MessageReceiver()
+{
+ msghandler.removeReceiver(this);
+}
+
+void MessageReceiver::sendMessage(Message *msg)
+{
+ MutexAutolock l(message_mutex);
+
+ message_queue.push_back(msg);
+}
+
+Message *MessageReceiver::receiveMessage()
+{
+ MutexAutolock l(message_mutex);
+ Message *msg = NULL;
+ if(message_queue.size()) {
+ msg = message_queue.front();
+ message_queue.pop_front();
+ }
+ return msg;
+}
+
+Message *MessageReceiver::peekMessage()
+{
+ MutexAutolock l(message_mutex);
+ Message *msg = NULL;
+ if(message_queue.size()) {
+ msg = message_queue.front();
+ }
+ return msg;
+}
+
+void MessageReceiver::handleMessages(size_t max)
+{
+ bool process_all = false;
+ if(max == 0) process_all = true;
+
+ while((process_all || max--) && peekMessage()) {
+ Message *msg = receiveMessage();
+ handleMessage(msg);
+ delete msg;
+ }
+}