X-Git-Url: https://gerrit.simantics.org/r/gitweb?a=blobdiff_plain;f=bundles%2Forg.simantics.g2d%2Fsrc%2Forg%2Fsimantics%2Fg2d%2Fcanvas%2FIContentContext.java;fp=bundles%2Forg.simantics.g2d%2Fsrc%2Forg%2Fsimantics%2Fg2d%2Fcanvas%2FIContentContext.java;h=e9813f679f272b4cb72e9ec0489422d779d54cf6;hb=969bd23cab98a79ca9101af33334000879fb60c5;hp=0000000000000000000000000000000000000000;hpb=866dba5cd5a3929bbeae85991796acb212338a08;p=simantics%2Fplatform.git

diff --git a/bundles/org.simantics.g2d/src/org/simantics/g2d/canvas/IContentContext.java b/bundles/org.simantics.g2d/src/org/simantics/g2d/canvas/IContentContext.java
new file mode 100644
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+++ b/bundles/org.simantics.g2d/src/org/simantics/g2d/canvas/IContentContext.java
@@ -0,0 +1,45 @@
+/*******************************************************************************
+ * Copyright (c) 2007, 2010 Association for Decentralized Information Management
+ * in Industry THTH ry.
+ * All rights reserved. This program and the accompanying materials
+ * are made available under the terms of the Eclipse Public License v1.0
+ * which accompanies this distribution, and is available at
+ * http://www.eclipse.org/legal/epl-v10.html
+ *
+ * Contributors:
+ *     VTT Technical Research Centre of Finland - initial API and implementation
+ *******************************************************************************/
+package org.simantics.g2d.canvas;
+
+import org.simantics.g2d.canvas.impl.PaintableContextImpl;
+import org.simantics.utils.threads.IThreadWorkQueue;
+
+
+/**
+ * 
+ * @See {@link PaintableContextImpl}
+ * @author Toni Kalajainen
+ */
+public interface IContentContext {
+
+	
+    /**
+     * Marks the canvas dirty. It will be repainted later. 
+     */
+    void setDirty();
+    void addPaintableContextListener(IContentListener listener);
+    void addPaintableContextListener(IContentListener listener, IThreadWorkQueue thread);    
+    void removePaintableContextListener(IContentListener listener);        
+    void removePaintableContextListener(IContentListener listener, IThreadWorkQueue thread);        
+    
+    public interface IContentListener {
+
+        /** 
+         * Notification for canvas becoming dirty
+         * 
+         * @param sender the context
+         */
+        public void onDirty(IContentContext sender);    
+    }    
+    
+}