chrome/test/data/extensions/api_test/tabs/connect/tabs_util.js

   1 // Utility functions to help with tabs/windows testing.
   2
   3 // Removes current windows and creates one window with tabs set to
   4 // the urls in the array |tabUrls|. At least one url must be specified.
   5 // The |callback| should look like function(windowId, tabIds) {...}.
   6 function setupWindow(tabUrls, callback) {
   7   createWindow(tabUrls, {}, function(winId, tabIds) {
   8     // Remove all other windows.
   9     var removedCount = 0;
  10     chrome.windows.getAll({}, function(windows) {
  11       for (var i in windows) {
  12         if (windows[i].id != winId) {
  13           chrome.windows.remove(windows[i].id, function() {
  14             removedCount++;
  15             if (removedCount == windows.length - 1)
  16               callback(winId, tabIds);
  17           });
  18         }
  19       }
  20       if (windows.length == 1)
  21         callback(winId, tabIds);
  22     });
  23   });
  24 }
  25
  26 // Creates one window with tabs set to the urls in the array |tabUrls|.
  27 // At least one url must be specified.
  28 // The |callback| should look like function(windowId, tabIds) {...}.
  29 function createWindow(tabUrls, winOptions, callback) {
  30   winOptions["url"] = tabUrls;
  31   chrome.windows.create(winOptions, function(win) {
  32     var newTabIds = [];
  33     assertTrue(win.id > 0);
  34     assertEq(tabUrls.length, win.tabs.length);
  35
  36     for (var i = 0; i < win.tabs.length; i++)
  37       newTabIds.push(win.tabs[i].id);
  38
  39     callback(win.id, newTabIds);
  40   });
  41 }
  42
  43 // Waits until all tabs (yes, in every window) have status "complete".
  44 // This is useful to prevent test overlap when testing tab events.
  45 // |callback| should look like function() {...}.  Note that |callback| expects
  46 // zero arguments.
  47 function waitForAllTabs(callback) {
  48   // Wait for all tabs to load.
  49   function waitForTabs(){
  50     chrome.windows.getAll({"populate": true}, function(windows) {
  51       var ready = true;
  52       for (var i in windows){
  53         for (var j in windows[i].tabs) {
  54           if (windows[i].tabs[j].status != "complete") {
  55             ready = false;
  56             break;
  57           }
  58         }
  59         if (!ready)
  60           break;
  61       }
  62       if (ready)
  63         callback();
  64       else
  65         window.setTimeout(waitForTabs, 30);
  66     });
  67   }
  68   waitForTabs();
  69 }
  70