Prototype of the action system

1 files changed, 74 insertions, 0 deletions

diff --git a/framework/actions/actionbroker.cpp b/framework/actions/actionbroker.cpp
new file mode 100644
index 00000000..43a535a1
--- /dev/null
+++ b/framework/actions/actionbroker.cpp
@@ -0,0 +1,74 @@
+/*
+    Copyright (c) 2016 Christian Mollekopf <mollekopf@kolabsys.com>
+
+    This library is free software; you can redistribute it and/or modify it
+    under the terms of the GNU Library General Public License as published by
+    the Free Software Foundation; either version 2 of the License, or (at your
+    option) any later version.
+
+    This library 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 Library General Public
+    License for more details.
+
+    You should have received a copy of the GNU Library General Public License
+    along with this library; see the file COPYING.LIB.  If not, write to the
+    Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
+    02110-1301, USA.
+*/
+
+#include "actionbroker.h"
+
+#include "context.h"
+#include "actionhandler.h"
+
+#include <QDebug>
+
+using namespace Kube;
+
+ActionBroker::ActionBroker(QObject *parent)
+    : QObject(parent)
+{
+
+}
+
+ActionBroker &ActionBroker::instance()
+{
+    static ActionBroker instance;
+    return instance;
+}
+
+bool ActionBroker::isActionReady(const QByteArray &actionId, Context *context)
+{
+    if (!context) {
+        return false;
+    }
+
+    //TODO This should return true if all handlers together promise to gather all necessary data, but not otherwise
+    for (const auto handler : mHandler.values(actionId)) {
+        if (handler && handler->isActionReady(context)) {
+            return true;
+        }
+    }
+
+    return false;
+}
+
+void ActionBroker::executeAction(const QByteArray &actionId, Context *context)
+{
+    if (context) {
+        for (const auto handler : mHandler.values(actionId)) {
+            if (handler) {
+                handler->execute(context);
+            }
+        }
+    } else {
+        qWarning() << "Can't execute without context";
+    }
+}
+
+void ActionBroker::registerHandler(const QByteArray &actionId, ActionHandler *handler)
+{
+    //TODO get notified on destruction via QPointer
+    mHandler.insert(actionId, handler);
+}