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 * Copyright 1997-2007 Sun Microsystems, Inc. All rights reserved.
 * The contents of this file are subject to the terms of either the GNU
 * General Public License Version 2 only ("GPL") or the Common
 * Development and Distribution License("CDDL") (collectively, the
 * "License"). You may not use this file except in compliance with the
 * License. You can obtain a copy of the License at
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 * or nbbuild/licenses/CDDL-GPL-2-CP. See the License for the
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 * particular file as subject to the "Classpath" exception as provided
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package org.netbeans.lib.profiler.client;

import org.netbeans.lib.profiler.wireprotocol.Command;

 * A utility interface, used to handle (by displaying things in GUI) various app status changes.
 * @author  Misha Dmitriev
00051 public interface AppStatusHandler {
    //~ Inner Interfaces ---------------------------------------------------------------------------------------------------------

     * An interface for a dialog that displays a message and a Cancel button.
     * The intended usage is in situations when some action is done in background, and the user should be able to
     * interrupt it at any moment.
     * The dialog is displayed using display(). Then the status of the Cancel button should be polled periodically
     * using cancelPressed() method, and finally the dialog can be closed using close(). Note that display() inevitably
     * blocks the thread that called it, so it should be called in a thread separate from the one in which the background
     * action is performed.
00063     public static interface AsyncDialog {
        //~ Methods --------------------------------------------------------------------------------------------------------------

        /** Checks if this dialog is being displayed (is visible) */
        public boolean isDisplayed();

        public boolean cancelPressed();

        public void close();

         * This method is called to display the asynchronous wait dialog. It should block
         * until the user explicitely cancels or method AsyncDialog.close is called
        public void display();

     * A utility class, used to handle (by displaying things in GUI and by updating some parent class internal variables)
     * commands coming from the server.
00084     public static interface ServerCommandHandler {
        //~ Methods --------------------------------------------------------------------------------------------------------------

        public void handleServerCommand(Command cmd);

    //~ Methods ------------------------------------------------------------------------------------------------------------------

    public AsyncDialog getAsyncDialogInstance(String message, boolean showProgress, boolean cancelAllowed);

    // The following methods should display messages asynchronously, i.e. they shouldn't block the current
    // thread waiting for the user pressing OK.
    public void displayError(String msg);

    // These 3 methods SHOULD wait for the user to press ok, since they may be used in a sequence of displayed
    // panels, and the next one shouldn't be displayed before the previous one is read and understood.
    public void displayErrorAndWaitForConfirm(String msg);

    public void displayErrorWithDetailsAndWaitForConfirm(String shortMsg, String detailsMsg);

    public void displayNotification(String msg);

    public void displayNotificationAndWaitForConfirm(String msg);

    public void displayNotificationWithDetailsAndWaitForConfirm(String shortMsg, String detailsMsg);

    public void displayWarning(String msg);

    public void displayWarningAndWaitForConfirm(String msg);

    /** Called each time profiling results will become available for the first time using current instrumentation */
    public void resultsAvailable();

    public void takeSnapshot();

     * Called from the profiler engine in case the waiting for reply timed out.
     * The profiler can decide (e.g. by asking the user) whether to keep waiting or cancel the profiling.
     * @return true to keep waiting for reply, false to cancel profiling
    boolean confirmWaitForConnectionReply();

    void handleShutdown();

     *  Called from the engine to signal that the profiler should not be getting results
     *  because some internal change is in progress.
    void pauseLiveUpdates();

     *  Called from the engine to signal that it is again safe to start getting results
    void resumeLiveUpdates();

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