Package snap.view

Class ViewEnv

java.lang.Object
snap.view.ViewEnv
public abstract class ViewEnv extends Object
An interface for platform specific UI functionality.

  • Field Details

    • _env

      protected static ViewEnv _env

  • Constructor Details

    • ViewEnv

      public ViewEnv()

  • Method Details

    • getEnv

      public static ViewEnv getEnv()
      Returns the node environment.

    • isEventThread

      public abstract boolean isEventThread()
      Returns whether current thread is event thread.

    • runLater

      public abstract void runLater(Runnable aRun)
      Run given runnable on event thread.

    • runLaterOnce

      public void runLaterOnce(Runnable aRun)
      Runs the given runnable once.

    • runLaterOnce

      public void runLaterOnce(String aName, Runnable aRun)
      Runs the given runnable for name once.

    • runDelayed

      public void runDelayed(Runnable aRun, int aDelay)
      Runs given runnable after delay.

    • runIntervals

      public void runIntervals(Runnable aRun, int aPeriod)
      Runs given runnable repeatedly every period milliseconds.

    • stopIntervals

      public void stopIntervals(Runnable aRun)
      Stops running given runnable.

    • runLaterAndWait

      public void runLaterAndWait(Runnable aRun)
      Runs a runnable later and waits for it to finish.

    • getUISource

      public WebURL getUISource(Class<?> aClass)
      Returns a UI source for given class.

    • getClipboard

      public Clipboard getClipboard()
      Returns the system clipboard.

    • getClipboardDrag

      public Clipboard getClipboardDrag()
      Returns the clipboard for dragging.

    • createHelper

      public WindowView.WindowHpr createHelper(View aView)
      Returns a ViewHelper for given native component.

    • createEvent

      public abstract ViewEvent createEvent(View aView, Object anEvent, ViewEvent.Type aType, String aName)
      Sends an event for a UI node.

    • getScreenBoundsInset

      public Rect getScreenBoundsInset()
      Returns the screen bounds inset to usable area.

    • activateApp

      public void activateApp(View aView)
      Activates the App giving focus to given node.

    • showFilePicker

      public void showFilePicker(String[] fileTypes, Consumer<WebFile> pickedFileHandler)
      Shows a file picker.

    • complain

      protected void complain(String s)