tools/cc-frame-viewer/app/viewer.js

   1 /* Copyright (c) 2012 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 'use strict';
   6
   7 base.exportTo('ccfv', function() {
   8   function assert(bool) {
   9     if (bool)
  10       return;
  11     throw new Error("Expected true");
  12   }
  13
  14   chromeapp.addEventListener('launch', init);
  15   chrome.app.window.current().onClosed.addListener(onClosed);
  16   chrome.app.window.current().focus();
  17
  18   var viewerEl;
  19   function init(launch_event) {
  20     viewerEl = document.querySelector('#viewer')
  21     window.g_viewerEl = viewerEl;
  22
  23     var num_args = launch_event.args[0]
  24     chromeapp.sendEvent('load', 'please', onLoadResult, onLoadError);
  25   }
  26
  27   function onLoadResult(res) {
  28     var trace = JSON.parse(res);
  29
  30     window.g_lastResult = trace;
  31     var model = new ccfv.Model();
  32     try {
  33         model.initFromTraceEvents(trace);
  34     } catch(e) {
  35         onLoadError(e);
  36         return;
  37     }
  38     window.g_model = model;
  39
  40     var modelViewEl = new ccfv.ModelView();
  41     modelViewEl.model = model;
  42     window.g_modelViewEl = modelViewEl;
  43
  44     viewerEl.appendChild(modelViewEl);
  45   }
  46
  47   function onLoadError(err) {
  48     viewerEl.textContent = 'error loading: ' + err;
  49   }
  50
  51   function onClosed() {
  52     chromeapp.exit(1);
  53   }
  54
  55 });