1 /*

     2 * Copyright (c) 2006 Nokia Corporation and/or its subsidiary(-ies). 

     3 * All rights reserved.

     4 * This component and the accompanying materials are made available

     5 * under the terms of "Eclipse Public License v1.0"

     6 * which accompanies this distribution, and is available

     7 * at the URL "http://www.eclipse.org/legal/epl-v10.html".

     8 *

     9 * Initial Contributors:

    10 * Nokia Corporation - initial contribution.

    11 *

    12 * Contributors:

    13 *

    14 * Description:

    15 *

    16 */

    17  

    18  

    19 package com.nokia.s60tools.appdep.ui.views.main;

    20 

    21 import org.eclipse.swt.widgets.Display;

    22 

    23 import com.nokia.s60tools.appdep.core.data.ComponentNode;

    24 import com.nokia.s60tools.appdep.core.data.IComponentSearchProgressListener;

    25 import com.nokia.s60tools.appdep.resources.Messages;

    26 

    27 /**

    28  * Main view population progress listener

    29  */

    30 public class MainViewPopulateProgressListener implements IComponentSearchProgressListener {

    31 

    32 	/**

    33 	 * Determines the UI refresh cycle. The refresh is done after

    34 	 * UI_REFRESH_CYCLE amount of components has been added.

    35 	 */

    36 	private static final int UI_REFRESH_CYCLE = 20;

    37 	

    38 	/**

    39 	 * Determines how often component count information

    40 	 * on toolbar is updated.

    41 	 */

    42 	private static final int COMPONENT_COUNT_REFRESH_CYCLE = 5;

    43 	

    44 	/**

    45 	 * View into which report progress into.

    46 	 */

    47 	MainView view = null;

    48 	

    49 	/**

    50 	 * Default constructor

    51 	 * @param view View into which report progress into.

    52 	 */

    53 	public MainViewPopulateProgressListener(MainView view){

    54 		this.view = view;

    55 	}

    56 	

    57 	/* (non-Javadoc)

    58 	 * @see com.nokia.s60tools.appdep.core.data.IComponentSearchProgressListener#searchStarted()

    59 	 */

    60 	public void searchStarted() {

    61 		view.searchStarted();

    62 		String descriptionText = Messages.getString("MainViewPopulateProgressListener.Searching_Msg"); //$NON-NLS-1$

    63 		view.updateDescription(descriptionText);

    64 	}

    65 

    66 	/* (non-Javadoc)

    67 	 * @see com.nokia.s60tools.appdep.core.data.IComponentSearchProgressListener#componentAdded(com.nokia.s60tools.appdep.core.data.ComponentNode, int)

    68 	 */

    69 	public void componentAdded(ComponentNode node, int componentTotalCount) {

    70 		final String descriptionText = Messages.getString("MainViewPopulateProgressListener.Searching_Msg_Start")  //$NON-NLS-1$

    71 			                     + componentTotalCount + Messages.getString("MainViewPopulateProgressListener.Searching_Msg_End"); //$NON-NLS-1$

    72 		

    73 		final int total = componentTotalCount;

    74 		

    75 		Runnable updateRunnable = new Runnable(){

    76 			public void run(){

    77 				if((total % COMPONENT_COUNT_REFRESH_CYCLE) == 0){

    78 					view.updateDescription(descriptionText);	

    79 				}

    80 				if((total % UI_REFRESH_CYCLE) == 0){

    81 					view.refresh();

    82 				}

    83 			}

    84 		};

    85 		

    86 		// Update request done in its own thread

    87 		// in order not to cause invalid thread access

    88 		Display.getDefault().asyncExec(updateRunnable);		

    89 	}

    90 

    91 	/* (non-Javadoc)

    92 	 * @see com.nokia.s60tools.appdep.core.data.IComponentSearchProgressListener#searchFinished(int)

    93 	 */

    94 	public void searchFinished(int componentTotalCount) {

    95 		final String descriptionText = Messages.getString("MainViewPopulateProgressListener.Search_Complete_Msg_Start")  //$NON-NLS-1$

    96 			                     + componentTotalCount + Messages.getString("MainViewPopulateProgressListener.Search_Complete_Msg_End"); //$NON-NLS-1$

    97 				

    98 		Runnable updateRunnable = new Runnable(){

    99 			public void run(){

   100 				view.updateDescription(descriptionText);	

   101 				view.searchCompleted();

   102 				view.refresh();

   103 			}

   104 		};

   105 		

   106 		// Update request done in its own thread

   107 		// in order not to cause invalid thread access

   108 		Display.getDefault().asyncExec(updateRunnable);		

   109 

   110 	}

   111 

   112 	/* (non-Javadoc)

   113 	 * @see com.nokia.s60tools.appdep.core.data.IComponentSearchProgressListener#searchAborted(int)

   114 	 */

   115 	public void searchAborted(int componentTotalCount) {

   116 		final String descriptionText = Messages.getString("MainViewPopulateProgressListener.Search_Aborted_Msg_Start")  //$NON-NLS-1$

   117 			                     + componentTotalCount + Messages.getString("MainViewPopulateProgressListener.Search_Aborted_Msg_End"); //$NON-NLS-1$

   118 				

   119 		Runnable updateRunnable = new Runnable(){

   120 			public void run(){

   121 				view.updateDescription(descriptionText);	

   122 				view.searchCompleted();

   123 				view.refresh();

   124 			}

   125 		};

   126 		

   127 		// Update request done in its own thread

   128 		// in order not to cause invalid thread access

   129 		Display.getDefault().asyncExec(updateRunnable);		

   130 		

   131 	}

   132 

   133 }