Migrated source code from Simantics SVN

[simantics/platform.git] / bundles / org.simantics.g2d / src / org / simantics / g2d / canvas / impl / PaintableContextImpl.java

diff --git a/bundles/org.simantics.g2d/src/org/simantics/g2d/canvas/impl/PaintableContextImpl.java b/bundles/org.simantics.g2d/src/org/simantics/g2d/canvas/impl/PaintableContextImpl.java
new file mode 100644 (file)
index 0000000..3846d42
--- /dev/null
+++ b/bundles/org.simantics.g2d/src/org/simantics/g2d/canvas/impl/PaintableContextImpl.java
@@ -0,0 +1,74 @@
+/*******************************************************************************\r
+ * Copyright (c) 2007, 2010 Association for Decentralized Information Management\r
+ * in Industry THTH ry.\r
+ * All rights reserved. This program and the accompanying materials\r
+ * are made available under the terms of the Eclipse Public License v1.0\r
+ * which accompanies this distribution, and is available at\r
+ * http://www.eclipse.org/legal/epl-v10.html\r
+ *\r
+ * Contributors:\r
+ *     VTT Technical Research Centre of Finland - initial API and implementation\r
+ *******************************************************************************/\r
+package org.simantics.g2d.canvas.impl;\r
+\r
+import java.lang.reflect.Method;\r
+\r
+import org.simantics.g2d.canvas.IContentContext;\r
+import org.simantics.utils.datastructures.ListenerList;\r
+import org.simantics.utils.threads.CurrentThread;\r
+import org.simantics.utils.threads.IThreadWorkQueue;\r
+import org.simantics.utils.threads.SyncListenerList;\r
+\r
+/**\r
+ * \r
+ * @See {@link IContentContext}\r
+ * \r
+ * @author Toni Kalajainen\r
+ */\r
+public class PaintableContextImpl implements IContentContext {\r
+\r
+       @Override\r
+       public void setDirty() {\r
+               fireSetDirty();         \r
+       }\r
+       \r
+       protected ListenerList<IContentListener> list =\r
+        new ListenerList<IContentListener>(IContentListener.class);\r
+       protected SyncListenerList<IContentListener> list2 =\r
+        new SyncListenerList<IContentListener>(IContentListener.class);\r
+\r
+       @Override\r
+    public void addPaintableContextListener(IContentListener listener) {\r
+        list.add(listener);\r
+    }\r
+       @Override\r
+    public void addPaintableContextListener(IContentListener listener, IThreadWorkQueue thread) {\r
+               if (thread==CurrentThread.getThreadAccess()) \r
+                       addPaintableContextListener(listener);\r
+               else\r
+                       list2.add(thread, listener);\r
+    }    \r
+       @Override\r
+    public void removePaintableContextListener(IContentListener listener) {\r
+        list.remove(listener);\r
+    }\r
+       @Override\r
+    public void removePaintableContextListener(IContentListener listener, IThreadWorkQueue thread) {\r
+               if (thread==CurrentThread.getThreadAccess()) \r
+                       addPaintableContextListener(listener);\r
+               else\r
+                       list2.remove(thread, listener);\r
+    }\r
+    private final static Method onDirty = SyncListenerList.getMethod(IContentListener.class, "onDirty");\r
+    protected void fireSetDirty() {\r
+       for (IContentListener l : list.getListeners())\r
+               l.onDirty(this);\r
+        list2.fireEventSync(onDirty, this);\r
+    }\r
+    protected void fireAsyncSetDirty() {\r
+        list2.fireEventAsync(onDirty, this);\r
+    }\r
+\r
+       \r
+           \r
+}\r