third_party/WebKit/LayoutTests/inspector-protocol/layers/layer-protocol-test.js

   1 function initialize_layersTest()
   2 {
   3
   4 var layers;
   5 var layerTreeChangeCallback;
   6
   7 InspectorTest.step = function(test)
   8 {
   9     InspectorTest.sendCommand(test.command, test.parameters, function(messageObject) {
  10         if (messageObject.hasOwnProperty("error")) {
  11             InspectorTest.log("FAIL: " + messageObject.error.message + " (" + messageObject.error.code + ")");
  12             InspectorTest.completeTest();
  13             return;
  14         }
  15         if (test.callback)
  16             test.callback(messageObject.result);
  17     });
  18 };
  19
  20 function onLayerTreeChanged(message)
  21 {
  22     layers = message.params.layers;
  23     if (layerTreeChangeCallback) {
  24         var callback = layerTreeChangeCallback;
  25         layerTreeChangeCallback = null;
  26         callback(layers);
  27     }
  28 }
  29
  30 InspectorTest.setLayerTreeChangeCallback = function(callback)
  31 {
  32     layerTreeChangeCallback = callback;
  33 }
  34
  35 InspectorTest.enableLayerTreeAgent = function(callback)
  36 {
  37     if (layers) {
  38         callback(layers);
  39         return;
  40     }
  41     InspectorTest.eventHandler["LayerTree.layerTreeDidChange"] = onLayerTreeChanged;
  42     InspectorTest.setLayerTreeChangeCallback(callback);
  43     InspectorTest.sendCommand("DOM.getDocument", {}, function() {
  44         InspectorTest.sendCommand("LayerTree.enable", {}, function() { });
  45     });
  46 }
  47
  48 }