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      1 /*
      2  * Copyright (C) 2009 Google Inc. All rights reserved.
      3  *
      4  * Redistribution and use in source and binary forms, with or without
      5  * modification, are permitted provided that the following conditions are
      6  * met:
      7  *
      8  *     * Redistributions of source code must retain the above copyright
      9  * notice, this list of conditions and the following disclaimer.
     10  *     * Redistributions in binary form must reproduce the above
     11  * copyright notice, this list of conditions and the following disclaimer
     12  * in the documentation and/or other materials provided with the
     13  * distribution.
     14  *     * Neither the name of Google Inc. nor the names of its
     15  * contributors may be used to endorse or promote products derived from
     16  * this software without specific prior written permission.
     17  *
     18  * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
     19  * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
     20  * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
     21  * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
     22  * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
     23  * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
     24  * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
     25  * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
     26  * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
     27  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
     28  * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
     29  */
     30 
     31 WebInspector.TestController = function(callId)
     32 {
     33     this._callId = callId;
     34     this._waitUntilDone = false;
     35 }
     36 
     37 WebInspector.TestController.prototype = {
     38     waitUntilDone: function()
     39     {
     40         this._waitUntilDone = true;
     41     },
     42 
     43     notifyDone: function(result)
     44     {
     45         var message = typeof result === "undefined" ? "\"<undefined>\"" : JSON.stringify(result);
     46         InspectorBackend.didEvaluateForTestInFrontend(this._callId, message);
     47     },
     48 
     49     runAfterPendingDispatches: function(callback)
     50     {
     51         if (WebInspector.pendingDispatches === 0) {
     52             callback();
     53             return;
     54         }
     55         setTimeout(this.runAfterPendingDispatches.bind(this), 0, callback);
     56     }
     57 }
     58 
     59 WebInspector.evaluateForTestInFrontend = function(callId, script)
     60 {
     61     var controller = new WebInspector.TestController(callId);
     62     function invokeMethod()
     63     {
     64         try {
     65             var result;
     66             if (window[script] && typeof window[script] === "function")
     67                 result = window[script].call(WebInspector, controller);
     68             else
     69                 result = window.eval(script);
     70 
     71             if (!controller._waitUntilDone)
     72                 controller.notifyDone(result);
     73         } catch (e) {
     74             controller.notifyDone(e.toString());
     75         }
     76     }
     77     controller.runAfterPendingDispatches(invokeMethod);
     78 }
     79