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• Strange behavior on the web page of preloading in WebView

  I have the following problem: in my Swing application, I want to display a web page. To do this, I use a JFXPanel that contains a WebView. The web page must be loaded in the background, and only if the loading process is totally finished I want to make the JFXPanel visible. I use thegetLoadWorker().workDoneProperty() method of the corresponding WebEngine to determine if the page is totally loaded.

  The problem is, now that the JFXPanel gets visible, I see initially a totally empty Board, and after a short period, the web page in Web view is visible. I made a simple Application demo that reproduces this behavior. If the page is loaded, a button is enabled and clicking on this button adds the WebView Panel below. In addition the link following points to an animated gif that shows the behavior: http://tinypic.com/view.php?pic=oh66bl & s = 5 #. Ujv2IhddWKl

  Here is the code of the demo application:

  import java.awt.BorderLayout;
  import java.awt.Dimension;
  import java.util.logging.Level;
  import java.util.logging.Logger;
  import javafx.application.Platform;
  import javafx.beans.value.ChangeListener;
  import javafx.beans.value.ObservableValue;
  import javafx.embed.swing.JFXPanel;
  import javafx.scene.Scene;
  import javafx.scene.web.WebEngine;
  import javafx.scene.web.WebView;
  import javax.swing.JFrame;
  import javax.swing.SwingUtilities;
  public class WebViewTest extends javax.swing.JPanel {
  
     private static JFXPanel browserFxPanel;
     private WebView webView;
     private WebEngine eng;
  
     /**
    * Creates new form WebViewTest
    */
     public WebViewTest() {
    initComponents();
     Platform.setImplicitExit(false);
    browserFxPanel = new JFXPanel();
     Platform.runLater(new Runnable() {
     public void run() {
    webView = createBrowser();
     Scene scene = new Scene(webView);
    scene.setFill(null);
    browserFxPanel.setScene(
    scene);
     }
     });
     }
  
     /**
    * This method is called from within the constructor to initialize the form. WARNING: Do NOT modify this code. The
    * content of this method is always regenerated by the Form Editor.
    */
     @SuppressWarnings("unchecked")
     // <editor-fold defaultstate="collapsed" desc="Generated Code">  
     private void initComponents() {
    java.awt.GridBagConstraints gridBagConstraints;
  
    pnlMain = new javax.swing.JPanel();
    showWebpageButton = new javax.swing.JButton();
  
    setLayout(new java.awt.GridBagLayout());
  
    pnlMain.setLayout(new java.awt.BorderLayout());
    gridBagConstraints = new java.awt.GridBagConstraints();
    gridBagConstraints.gridx = 0;
    gridBagConstraints.gridy = 1;
    gridBagConstraints.gridwidth = 3;
    gridBagConstraints.fill = java.awt.GridBagConstraints.BOTH;
    gridBagConstraints.weightx = 1.0;
    gridBagConstraints.weighty = 1.0;
    add(pnlMain, gridBagConstraints);
  
    showWebpageButton.setText("show web page");
    showWebpageButton.setEnabled(false);
    showWebpageButton.addActionListener(new java.awt.event.ActionListener() {
     public void actionPerformed(java.awt.event.ActionEvent evt) {
    showWebpageButtonActionPerformed(evt);
     }
     });
    gridBagConstraints = new java.awt.GridBagConstraints();
    gridBagConstraints.gridx = 1;
    gridBagConstraints.gridy = 0;
    gridBagConstraints.insets = new java.awt.Insets(10, 10, 10, 10);
    add(showWebpageButton, gridBagConstraints);
     }// </editor-fold>  
  
     private void showWebpageButtonActionPerformed(java.awt.event.ActionEvent evt) {   
    pnlMain.removeAll();
    pnlMain.add(browserFxPanel, BorderLayout.CENTER);
     WebViewTest.this.invalidate();
     WebViewTest.this.revalidate();
     }   
     // Variables declaration - do not modify  
     private javax.swing.JPanel pnlMain;
     private javax.swing.JButton showWebpageButton;
     // End of variables declaration  
  
     private WebView createBrowser() {
     Double widthDouble = pnlMain.getSize().getWidth();
     Double heightDouble = pnlMain.getSize().getHeight();
     final WebView view = new WebView();
    view.setMinSize(widthDouble, heightDouble);
    view.setPrefSize(widthDouble, heightDouble);
    eng = view.getEngine();
    eng.load("http://todomvc.com/architecture-examples/angularjs/#/");
    eng.getLoadWorker().workDoneProperty().addListener(new ChangeListener<Number>() {
     public void changed(ObservableValue<? extends Number> ov, Number t, Number t1) {
     final double workDone = eng.getLoadWorker().getWorkDone();
     final double totalWork = eng.getLoadWorker().getTotalWork();
     if (workDone == totalWork) {
    showWebpageButton.setEnabled(true);
     }
     }
     });
     return view;
     }
  
     public static void main(String[] args) {
     SwingUtilities.invokeLater(new Runnable() {
     public void run() {
     final JFrame f = new JFrame("Navigator Dummy");
    f.setDefaultCloseOperation(JFrame.DISPOSE_ON_CLOSE);
    f.setSize(new Dimension(1024, 800));
     final WebViewTest navDummy = new WebViewTest();
    f.getContentPane().add(navDummy);
    f.setVisible(true);
     }
     });
     }
  }
  
  
  

  I don "t understand this behavior, in fact the page has already been loaded. To me, it seems that the WebView starts to render the site just to the point where it becomes visible. What can I do to get the WebView already shows the web page is loaded right now that it becomes Visible (to avoid this effect of flickr)?

  I already posted this question on StackOverflow (see http://stackoverflow.com/questions/18873315/javafx-webview-loading-page-in-background ) but didn't get an answer and found this forum today.

  Thanks in advance!

  Try the updated version in this post.

  It requires a snapshot offscreen before displaying the Web mode to make sure all is rendered before the Web is displayed.

  The code is kind of ugly and the 'solution' is a bit of a hack, you would probably want to clean it up a bit before using it anywhere (for example, there is no need to create a new WebView and snapshot, web page on each load - I did it just to get a feel for the worst-case scenario and try to pinpoint where are produce slowdowns).

  A small rectangle moves back on the top of the screen so that the fluidity of the animation can be monitored.

  On the first charge, there will be a slight stutter in the animation, but the rendered web page instantly appears when click the show page"" button.

  As you say, the stuttering occurs only the first time the page is loaded, then everything is smooth.  If you use a progress bar regular instead of an animation, the initial stuttering is probably fine, because people expect to see breaks in the progress bars from time to time (more progress reported by progress bars is not a smooth linear progression).  My guess is that if you use a regular progress bar, the behavior seen with this example is probably acceptable for almost all users.

  As for the differences between the rendering between 2.2 JavaFX and JavaFX 8, there was a lot of changes to the internal architecture of JavaFX for JavaFX 8 that have improved rendering performance, as well as probably represents the delta.

  import javafx.animation.*;
  import javafx.application.Application;
  import javafx.concurrent.Worker;
  import javafx.geometry.*;
  import javafx.scene.Scene;
  import javafx.scene.control.*;
  import javafx.scene.layout.*;
  import javafx.scene.paint.Color;
  import javafx.scene.shape.Rectangle;
  import javafx.scene.web.WebView;
  import javafx.stage.Stage;
  import javafx.util.Duration;
  
  public class WebViewJavaFXTest extends Application {
      public static final String PAGE_URL = "http://todomvc.com/architecture-examples/angularjs/#/";
      private Rectangle distractor;
  
      @Override
      public void start(Stage stage) throws Exception {
          distractor = new Rectangle(20, 20, Color.CORAL);
          TranslateTransition r = new TranslateTransition(Duration.seconds(10), distractor);
          r.setFromX(0);
          r.setToX(800);
          r.setInterpolator(Interpolator.LINEAR);
          r.setCycleCount(RotateTransition.INDEFINITE);
          r.setAutoReverse(true);
          r.play();
  
          VBox layout = initView();
          stage.setScene(new Scene(layout));
          stage.show();
      }
  
      private VBox initView() {
          final ProgressBar progress = new ProgressBar();
          final Button showWebView = new Button("Show Page");
          showWebView.setDisable(true);
          HBox controls = new HBox(
                  10,
                  progress,
                  showWebView
          );
          controls.setAlignment(Pos.CENTER_LEFT);
          Button tryAgain = new Button("Try Again");
          tryAgain.setOnAction(actionEvent ->
                  tryAgain.getScene().setRoot(
                          initView()
                  )
          );
  
          StackPane webViewHolder = new StackPane();
          webViewHolder.setPrefSize(1024, 700);
  
          final WebView webView = new WebView();
          progress.progressProperty().bind(
                  webView.getEngine().getLoadWorker().progressProperty()
          );
          webView.setPrefSize(1024, 700);
          webView.getEngine().load(PAGE_URL);
          webView.getEngine().getLoadWorker().stateProperty().addListener(
                  (o, old, state) -> {
                      if (state == Worker.State.SUCCEEDED) {
                          webView.snapshot(
                                  snapshotResult -> {
                                      showWebView.setDisable(false);
                                      return null;
                                  },
                                  null,
                                  null
                          );
                      } else {
                          showWebView.setDisable(true);
                      }
                  }
          );
  
          showWebView.setOnAction(actionEvent -> {
              controls.getChildren().setAll(
                      tryAgain
              );
              webViewHolder.getChildren().setAll(webView);
          });
          VBox layout = new VBox(
                  10,
                  distractor,
                  controls,
                  webViewHolder
          );
          layout.setPadding(new Insets(10));
  
          return layout;
      }
  
      public static void main(String[] args) {
          launch();
      }
  
  }
  

• Firefox does not open in full screen on the task bar and I have to go over it to see the web page.

  Firefox does not open in full screen on the task bar and I have to go over it to see the web page.

  Firefox window is sometimes "off screen" somehow. Often, you can force it to appear on the screen by right clicking on the thumbnail image just above the taskbar and choose expand. Does it work?

  A possible cause for this is that the file that stores the positions and sizes of window is corrupt. You can delete this file and Firefox will return to standard window resizing.

  #1 method: If you can get a zoomed window:

  Open the settings folder (AKA Firefox profile) current Firefox help

  • button "3-bar" menu > "?" button > troubleshooting information
  • (menu bar) Help > troubleshooting information
  • type or paste everything: in the address bar and press Enter

  In the first table of the page, click on the view file"" button. This should launch a new window that lists the various files and folders in Windows Explorer.

  Leave this window open, switch back to Firefox and output, either:

  • "3-bar" menu button > button "power".
  • (menu bar) File > Exit

  Pause while Firefox finishing its cleanup, then rename xulstore.json to something like xulstore.old. If you see a file named localstore.rdf, rename this to localstore.old.

  Launch Firefox back up again. Windows normally appear again?

  #2 method: If you can not get a Firefox window for all:

  Close Firefox by right clicking the icon in the taskbar > close all windows.

  Using the Run dialog box (windows key + R) or the start search bar menu type or paste the following and press Enter to drill down to the profiles folder:

  %APPDATA%\Mozilla\Firefox\Profiles
  

  Here you can see a folder - in this case, double-click that - or more than one case - in this case, double-click on in what looks like the most recently updated.

  Scroll down and rename xulstore.json to something like xulstore.old. If you see a file named localstore.rdf, rename this to localstore.old.

  Launch Firefox back up again. Windows normally appear again?

  Then, to re - light bars, you can use one of the following methods to view the list of the toolbar, and then select the desired bars it:

  • Right click on a place empty on the tab bar (or the button '+')
  • Press the Alt key to activate the classic menu bar > view > toolbars
  • in customize mode > show/hide toolbars (see: Customize Firefox commands, buttons, and toolbars)

  To activate the menu bar, toolbar bookmarks or other bars, click it in the list.

• Is there a option of zoon of the Web pages with Mozilla Firefox, if I have trouble reading the small print?

  I take a class any web business, and I can't find a lot of the functions that they speak.

  Hello
  Have you tried the Firefox zoom feature? This initiative will increase the size of the web pages.

  • To make things bigger, press Ctrl and + at the same time.
  • To make things smaller, press Ctrl and - at the same time.
  • Pour reinitialiser to reset the size of return to normal, press Ctrl and 0 at the same time.

  You can also use the NoSquint add-on to change the zoom level by default for all websites at the same time. After setting your overall zoom level, you can still adjust the zoom on different sites.

  With the help of NoSquint:

  1. After installation of NoSquint, make sure you have the add-on bar displayed:
     • Click the new tab button ("+") or a box empty bar tab to the right of the item and choose the module bar on the shortcut menu.
  2. Click on the % in the bar of the add-on call site preferences, then click the global settings button, then the zoom tab.
     • You can experiment with sizes greater than 125%, but it is not recommended that you will more than 150%, unless you have a large screen high resolution.

  If there are sites that are still a concern, feel free to post their URLs.

  Please let us know if this helped you!

  Thank you.

• Back to the same place of the web page

  When I click on the arrow to the left happens to me on web page, I was ahead, but there also go to the top of the page, but not to the task, I was working, so I have to scroll down to this place. How can I get back to this place on the web page?

  Three ways:
  1. click the link
  2 {Ctrl + click} link
  3. right click on the link and use open link in a new tab

• Does not load the Web page.

  It will not load the web page. It gives an error message or to say that it has expired. The circle on the tab will turn to a stop bit while then just, and nothing comes up. I uninstalled, and re-installed and still gives me this problem. I checked the updates and I am running the latest version.

  I disabled my firewall on my Norton Internet Security and Firefox work again. I activated the firewall back and it still works, go figure.

• Save the web page

  Using Safari, if you are on a Web page and click file > save as, you will be able to save the contents of this Web page on your local computer, even if the content leaves the original source of the web in the future?

  Thank you

  It should stay even if the web page changes.

• TB refuses my password - pswd is good because I can access e-mail on the web page of Yahoo from Verizon

  I use Yahoo from Verizon. Everything has worked when suddenly Thunderbird does not accept my password to give me the following error message: "sending the password failed. "Mail server incoming.yahoo.verizon.net replied: (#AUTH012) Incorrect username or password".

  However, the password is good because I can log on and get my email from the web page of Yahoo from Verizon.

  The problem is solved. Verizon-Yahoo never was informed to change the user ID in the settings of my account xxxxxx in [email protected], that is, simply add the @verizon.net to your user name on the server settings page.

• I can't open the web pages included in emails.

  The e-mails often contain links to a Web page. When I click on these links, nothing happens. The Web page will not open.

  jmildred

  https://support.Mozilla.org/en-us/KB/hyperlinks-in-messages-not-working

• It has been updated and I don't see the web page. It is only a blank page. Android for Tablet

  I could see a Web page that starts with https. However, the browser has been updated and 1 can no longer see the web page. I can see it in chrome, but I need Firefox because of the plug ins.

  Default browser got back to Chrome as liberation V30.0 seems to have a lot of problems loading pages to open links from other applications. The same url will load fine in Chrome.

• Message from the Web page: "Scanstyles does nothing in Webkit/Firefox". I get this popup when I'm in my site of the Financial Institution.

  This popup occurs whenever I select an account in the Web page to view its details. Once I click OK it disappears, but appears again when when I select another account for display. It is not a barrier to the operation but rather boring.

  I guess that site does not support the basis of Webkit and Gecko according to browsers.

  WebKit - Chrome, Safari, etc of Midori.
  Gecko - Pale Moon, Firefox etc.

  Have you tried on IE (Trident based).

• Some information are obscured by other text on the Web page

  A previous part of a hidden Web page. The owner of the Web page tells me its my browser and I have consulted the same webpage using Google and it was ok. It seems to be the fault of Firefox. How to fix it.
  I restarted in safe mode, but the site is the same.

  You are welcome.

  Web sites that use absolute dimensions, and then especially the height, for containers (text) are generally very sensitive to any change in the size of the font.
  Usually immediately, you notice that there are questions if you lean to recognize its effect and then you must undo the changes (temporarily) if it's really worse as in your case and content get lost.

  You use the zoom full page will not cause problems in most of the cases, but I have sen case when same zoom causes issues.
  If it's on the websites you visit every day, then you can invest some time to see if you can come up with a stylesheet with userContent.css or elegant code to disable specific height settings (i.e. apply height: auto! important ;) or set the font size settings.) Zoom has the disadvantage of content that is already great will get even bigger (this forum is an example: a text is extra large and some smaller than 100%).

• Update of Firefox, and now all of the web pages and icons are inflated. How do I put back it as it was?

  Update of Firefox, and now all of the web pages and icons are inflated. How do I put back it as it was?

  Hello

  Firefox on Windows is now after display, scaling options that can make the biggest text on screens at high resolution.
  You can adjust the resolution of your screen.
  To change it follow these steps:

  • Type of topic: config in the Firefox address bar and hit the Enter key.
  • If the warning that this might void your warranty , click I'll be careful, I promised.
  • Search for layout.css.devPixelsPerPx

  

  • Double-click layout.css.devPixelsPerPx to edit its value. The default value is - 1.0 in Firefox 22 and above. Change it to 1.0 to run as in previous versions of Firefox.

  If necessary, further adjust the value of 0.1 or 0.05. Values between 1.0 and around 0.5 to reduce the size of the elements. Use a value greater than 1.0 to increase the size. For example, a value of 1.25 will increase the font size of the 125% to account for the default DPI setting in Windows 8. Check the value that you enter. Definition of a value that is too small will take everything away and too high will explode things.

  If the web pages should always be adjusted so you can watch the extension Default FullZoom Level or NoSquint .

  To adjust the font size for the user interface, you can use the extension of theme font & size changer .

  This solve your problems? Please report to us!

  Thank you.

• Recently, I see cursor blinking on the Web Pages in random places

  Lately, I've noticed that I get a flashing cursor in the bizarre tasks on the web pages where none should appear. Not cause malfunctions, it is annoying.
  A Google search I found that this issue has been raised before in the help of Mozilla, but topics have since been locked so that I could not add to them.

  I have multi-boot ATU SP1 of Vista Ult SP2/Win 7, Win 8 Pro w/MC x 64 all have installed FF last and I see it in all of them.

  Press F7 and see who goes.

• The upper band of most of the web pages is erased immediately after loading.

  Today, I had this problem with most of the web pages. The above lines are loaded (often?), but then deleted in 1 second or close. This happens when new pages are loaded and when old tabs are displayed. I'm not talking to the menu bar of Firefox or the tabs themselves, but for the pages themselves.

  Start Firefox in Safe Mode to check if one of the extensions (Firefox/tools > Modules > Extensions) or if hardware acceleration is the cause of the problem (switch to the DEFAULT theme: Firefox/tools > Modules > appearance).

  • Do not click on the reset button on the start safe mode window or make changes.
  • https://support.Mozilla.org/KB/safe+mode

  Try disabling hardware acceleration in Firefox.

  • Tools > Options > advanced > General > Browsing: "use hardware acceleration when available.
  • https://hacks.Mozilla.org/2010/09/hardware-acceleration/
  • https://support.Mozilla.org/KB/troubleshooting+extensions+and+themes