Diff: Event/Event.cpp

Revision:

0:9d09acc8f9d9

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/Event/Event.cpp	Mon Oct 01 10:38:45 2012 +0000
@@ -0,0 +1,90 @@
+/* mbed EventFramework Library 
+ * Copyright (c) 2012 raulMrello
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to deal
+ * in the Software without restriction, including without limitation the rights
+ * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+ * copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+ * THE SOFTWARE.
+ */
+
+#include "Event.h"
+
+Event::Event(uint16_t prio){
+    this->prio = prio;
+    base = NULL;
+    data = NULL;
+    hlist = NULL;
+}
+
+Event::~Event(void){
+    prio = 0;
+    data = NULL;
+    base = NULL;
+    if(hlist){
+        delete hlist;
+    }
+}
+
+void Event::SetData(void* data){
+    this->data = data;
+}
+
+void Event::SetBase(Event* ev){
+    base = ev;
+}
+
+void* Event::GetData(void){
+    return data;
+}
+
+Event* Event::GetBase(void){
+    return base;
+}
+
+List* Event::GetList(void){
+    return hlist;
+}
+
+uint16_t Event::GetPrio(void){
+    return prio;
+}
+
+void Event::Subscribe(EventHandler * hnd){
+    // if EventHandler list is not created yet, then creates and add handler
+    if(!hlist){
+        hlist = new List(hnd);
+        return;
+    }
+    // else insert the handler according with its priority
+    Node* node = hlist->GetFirstNode();
+    EventHandler* data = (EventHandler*)node->GetData();
+    while(data->GetPrio() <= hnd->GetPrio()){
+        Node* next = node->GetNext();
+        if(!next){
+            hlist->AddAfter(node, hnd);
+            return;
+        }
+        data = (EventHandler*)next->GetData();
+    }
+    Node* newHead = hlist->AddBefore(node, hnd);
+    if(newHead){
+         hlist->SetFirstNode(newHead);
+    }
+}
+
+void Event::Unsubscribe(EventHandler* hnd){
+    hlist->RemoveItem(hnd);
+}