1 // Copyright (c) 2009 The Chromium Authors. All rights reserved.

     2 // Use of this source code is governed by a BSD-style license that can be

     3 // found in the LICENSE file.

     4 

     5 package org.chromium.debug.ui;

     6 

     7 import java.io.IOException;

     8 import java.util.ArrayList;

     9 import java.util.HashMap;

    10 import java.util.List;

    11 import java.util.Map;

    12 

    13 import org.chromium.debug.core.model.TabSelector;

    14 import org.chromium.sdk.Browser;

    15 import org.chromium.sdk.Browser.TabConnector;

    16 import org.chromium.sdk.Browser.TabFetcher;

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

    18 import org.eclipse.swt.widgets.Shell;

    19 import org.eclipse.ui.PlatformUI;

    20 

    21 /**

    22  * A TabSelector which brings up a dialog allowing users to select which target

    23  * browser tab to debug.

    24  */

    25 public class DialogBasedTabSelector implements TabSelector {

    26 

    27   public TabConnector selectTab(TabFetcher tabFetcher) throws IOException {

    28     List<? extends Browser.TabConnector> allTabs = tabFetcher.getTabs();

    29 

    30     List<Browser.TabConnector> filteredTabs = new ArrayList<TabConnector>(allTabs.size());

    31 

    32     for (Browser.TabConnector tab : allTabs) {

    33       if (!tab.isAlreadyAttached()) {

    34         filteredTabs.add(tab);

    35       }

    36     }

    37 

    38     if (autoSelectSingleTab()) {

    39       if (allTabs.size() == 1 && filteredTabs.size() == 1) {

    40         // if all crystal clear -- choose by default

    41         // disable auto-select if there are some already attached tabs:

    42         //  user has already seen this dialog and might have got used to it

    43         //  he might not understand why it didn't show up this time

    44         return allTabs.get(0);

    45       }

    46     }

    47 

    48     final Map<Integer, Browser.TabConnector> map = new HashMap<Integer, Browser.TabConnector>();

    49     final List<String> urls = new ArrayList<String>(filteredTabs.size());

    50     for (int i = 0; i < filteredTabs.size(); ++i) {

    51       Browser.TabConnector connector = filteredTabs.get(i);

    52       map.put(i, connector);

    53       urls.add(connector.getUrl());

    54     }

    55     final Browser.TabConnector[] result = { null };

    56     Display.getDefault().syncExec(new Runnable() {

    57       public void run() {

    58         final Shell shell = PlatformUI.getWorkbench().getActiveWorkbenchWindow().getShell();

    59         final ChromiumTabSelectionDialog dialog = new ChromiumTabSelectionDialog(shell, urls);

    60         dialog.setBlockOnOpen(true);

    61         int dialogResult = dialog.open();

    62         if (dialogResult == ChromiumTabSelectionDialog.OK) {

    63           result[0] = map.get(dialog.getSelectedLine());

    64         }

    65         // otherwise (result[0] == null) which means "Do not attach"

    66       }

    67     });

    68     return result[0];

    69   }

    70 

    71   private boolean autoSelectSingleTab() {

    72     return true;

    73   }

    74 

    75 }