Changeset 541

Timestamp:

11/27/13 12:24:38 (10 years ago)

Author:

jts21

Message:

Add JfxBrowser status callback

File:

• trunk/src/org/expeditee/items/widgets/JfxBrowser.java (modified) (7 diffs)

trunk/src/org/expeditee/items/widgets/JfxBrowser.java

@@ -7 +7 @@
 import java.awt.event.ComponentListener;
 import java.io.File;
-import java.io.IOException;
 import java.lang.reflect.Constructor;
 import java.lang.reflect.InvocationTargetException;
 import java.lang.reflect.Method;
-import java.net.MalformedURLException;
 import java.net.URL;
 import java.net.URLClassLoader;
+import java.util.Arrays;
+import java.util.List;
 
 import javax.swing.JPanel;
 
 import org.expeditee.gui.FreeItems;
+import org.expeditee.gui.MessageBay;
 import org.expeditee.items.Text;
 
@@ -44 +45 @@
         static Method WebViewSetPrefSize;
         static Method WebViewGetEngine;
-        
+
         static Class WebEngine;
         static Method WebEngineLoad;
         static Method WebEngineGetLocation;
+        static Method WebEngineGetLoadWorker;
+
+        static Class Worker;
+        static Method WorkerStateProperty;
+
+        static Class ReadOnlyObjectProperty;
+        static Method ReadOnlyObjectPropertyAddListener;
+
+        static Class ChangeListener;
+
+        static Class ObservableValue;
+
+        static Class State;
+        static List<Object> StateConstants;
 
         static {
@@ -54 +69 @@
                         ClassLoader classLoader = ClassLoader.getSystemClassLoader();
 
-
                         File jar = new File(javaLibDir + "jfxrt.jar");
 
@@ -80 +94 @@
                         WebViewSetPrefSize = WebView.getMethod("setPrefSize", double.class, double.class);
                         WebViewGetEngine = WebView.getMethod("getEngine");
-                        
+
                         WebEngine = classLoader.loadClass("javafx.scene.web.WebEngine");
                         WebEngineLoad = WebEngine.getMethod("load", String.class);
                         WebEngineGetLocation = WebEngine.getMethod("getLocation");
-
-
-                } catch (MalformedURLException e) {
+                        WebEngineGetLoadWorker = WebEngine.getMethod("getLoadWorker");
+
+                        Worker = classLoader.loadClass("javafx.concurrent.Worker");
+                        WorkerStateProperty = Worker.getMethod("stateProperty");
+
+                        ChangeListener = classLoader.loadClass("javafx.beans.value.ChangeListener");
+
+                        ReadOnlyObjectProperty = classLoader.loadClass("javafx.beans.property.ReadOnlyObjectProperty");
+                        ReadOnlyObjectPropertyAddListener = ReadOnlyObjectProperty.getMethod("addListener", ChangeListener);
+
+                        ObservableValue = classLoader.loadClass("javafx.beans.value.ObservableValue");
+
+                        State = classLoader.loadClass("javafx.concurrent.Worker$State");
+                        StateConstants = Arrays.asList(State.getEnumConstants());
+                        System.out.println(StateConstants);
+
+                } catch (Exception e) {
                         e.printStackTrace();
-                } catch (ClassNotFoundException e) {
-                        e.printStackTrace();
-                } catch (NoSuchMethodException e) {
-                        e.printStackTrace();
-                } catch (SecurityException e) {
-                        e.printStackTrace();
-                } catch (IllegalAccessException e) {
-                        e.printStackTrace();
-                } catch (IllegalArgumentException e) {
-                        e.printStackTrace();
-                } catch (InvocationTargetException e) {
-                        e.printStackTrace();
-                } catch (IOException e) {
-                        e.printStackTrace();
                 }
         }
 
         private static class WebBrowserPanel extends JPanel implements ComponentListener {
-                
+
                 private static final long serialVersionUID = 1L;
 
                 Object webview;
                 Object jfxPanel;
-                
+
                 /**
-                 * @return A JPanel that either contains a JavaFX Webview or an empty
-                 *         panel if the JFX panel can't be initialized
+                 * @return A JPanel that either contains a JavaFX Webview or an empty panel if the JFX panel can't be
+                 *         initialized
                  */
                 public WebBrowserPanel(final String url) {
@@ -160 +174 @@
 
                                 JFXPanelSetScene.invoke(jfxPanel, scene);
+
+                                ReadOnlyObjectPropertyAddListener.invoke(WorkerStateProperty.invoke(WebEngineGetLoadWorker
+                                        .invoke(WebViewGetEngine.invoke(this.webview))), java.lang.reflect.Proxy.newProxyInstance(
+                                        ChangeListener.getClassLoader(), new java.lang.Class[] { ChangeListener },
+                                        new java.lang.reflect.InvocationHandler() {
+                                                @Override
+                                                public Object invoke(Object proxy, java.lang.reflect.Method method, Object[] args)
+                                                        throws java.lang.Throwable {
+                                                        String method_name = method.getName();
+                                                        // Class<?>[] classes = method.getParameterTypes();
+                                                        // public void changed(ObservableValue ov, State oldState, State newState)
+                                                        if (method_name.equals("changed")) {
+                                                                // changed takes 3 args
+                                                                if (args == null || args.length != 3) {
+                                                                        return null;
+                                                                }
+                                                                // args[0] is the ObservableValue
+                                                                System.out.println(args[0]);
+                                                                System.out.println(args[0].getClass());
+                                                                // args[2] is the new State
+                                                                if (args[2].getClass() == State) {
+                                                                        int id = StateConstants.indexOf(args[2]);
+                                                                        switch (id) {
+                                                                                case 0: // READY
+                                                                                        MessageBay.displayMessage("WebEngine ready");
+                                                                                        break;
+                                                                                case 1: // SCHEDULED
+                                                                                        MessageBay.displayMessage("Scheduled page load");
+                                                                                        break;
+                                                                                case 2: // RUNNING
+                                                                                        MessageBay.displayMessage("WebEngine running");
+                                                                                        break;
+                                                                                case 3: // SUCCEEDED
+                                                                                        MessageBay.displayMessage("Finished loading page");
+                                                                                        break;
+                                                                                case 4: // CANCELLED
+                                                                                        MessageBay.displayMessage("Cancelled loading page");
+                                                                                        break;
+                                                                                case 5: // FAILED
+                                                                                        MessageBay.displayMessage("Failed to load page");
+                                                                                        break;
+                                                                                }
+                                                                        }
+                                                                        System.out.println("\n");
+                                                                }
+                                                                return null;
+                                                        }
+                                        }));
+
+                                // webEngine.getLoadWorker().stateProperty().addListener(
+                                // new ChangeListener<State>() {
+                                // public void changed(ObservableValue ov, State oldState, State newState) {
+                                // if (newState == State.SUCCEEDED) {
+                                // stage.setTitle(webEngine.getLocation());
+                                // }
+                                // }
+                                // });
 
                                 WebEngineLoad.invoke(WebViewGetEngine.invoke(this.webview), url);
@@ -209 +280 @@
         public JfxBrowser(Text source, String[] args) {
                 // Initial page is either the page stored in the arguments (if there is one stored) or Google
-                //super(source, new WebBrowserPanel((args != null && args.length > 0) ? args[0] : "http://google.com"), -1, 500, -1, -1, 300, -1);
+
+                // super(source, new WebBrowserPanel((args != null && args.length > 0) ? args[0] : "http://google.com"), -1, 500, -1, -1, 300, -1);
                 super(source, new WebBrowserPanel(args[0]), -1, 500, -1, -1, 300, -1);
                 _browser = (WebBrowserPanel) _swingComponent;
@@ -231 +303 @@
                 }
         }
-        
+
         @Override
         public boolean ItemsLeftClickDropped() {
                 Text carried = null;
-                if((carried = FreeItems.getTextAttachedToCursor()) != null) {
+                if ((carried = FreeItems.getTextAttachedToCursor()) != null) {
                         this.navigate(carried.getText());
                         return true;