content/browser/resources/service_worker/serviceworker_internals.js

   1 // Copyright 2014 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 cr.define('serviceworker', function() {
   6   'use strict';
   7
   8   function initialize() {
   9     update();
  10   }
  11
  12   function update() {
  13       chrome.send('GetOptions');
  14       chrome.send('getAllRegistrations');
  15   }
  16
  17   function onOptions(options) {
  18     var template;
  19     var container = $('serviceworker-options');
  20     if (container.childNodes) {
  21       template = container.childNodes[0];
  22     }
  23     if (!template) {
  24       template = jstGetTemplate('serviceworker-options-template');
  25       container.appendChild(template);
  26     }
  27     jstProcess(new JsEvalContext(options), template);
  28     var inputs = container.querySelectorAll('input[type=\'checkbox\']');
  29     for (var i = 0; i < inputs.length; ++i) {
  30       if (!inputs[i].hasClickEvent) {
  31         inputs[i].addEventListener('click', (function(event) {
  32           chrome.send('SetOption',
  33                       [event.target.className, event.target.checked]);
  34         }).bind(this), false);
  35         inputs[i].hasClickEvent = true;
  36       }
  37     }
  38   }
  39
  40   function progressNodeFor(link) {
  41     return link.parentNode.querySelector('.operation-status');
  42   }
  43
  44   // All commands are completed with 'onOperationComplete'.
  45   var COMMANDS = ['stop', 'push', 'inspect', 'unregister', 'start'];
  46   function commandHandler(command) {
  47     return function(event) {
  48       var link = event.target;
  49       progressNodeFor(link).style.display = 'inline';
  50       sendCommand(command, link.cmdArgs, (function(status) {
  51         progressNodeFor(link).style.display = 'none';
  52       }).bind(null, link));
  53       return false;
  54     };
  55   };
  56
  57   var commandCallbacks = [];
  58   function sendCommand(command, args, callback) {
  59     var callbackId = 0;
  60     while (callbackId in commandCallbacks) {
  61       callbackId++;
  62     }
  63     commandCallbacks[callbackId] = callback;
  64     chrome.send(command, [callbackId, args]);
  65   }
  66
  67   // Fired from the backend after the command call has completed.
  68   function onOperationComplete(status, callbackId) {
  69     var callback = commandCallbacks[callbackId];
  70     delete commandCallbacks[callbackId];
  71     if (callback) {
  72       callback(status);
  73     }
  74     update();
  75   }
  76
  77   var allLogMessages = {};
  78   // Set log for a worker version.
  79   function fillLogForVersion(container, partition_id, version) {
  80     if (!version) {
  81       return;
  82     }
  83     if (!(partition_id in allLogMessages)) {
  84       allLogMessages[partition_id] = {};
  85     }
  86     var logMessages = allLogMessages[partition_id];
  87     if (version.version_id in logMessages) {
  88       version.log = logMessages[version.version_id];
  89     } else {
  90       version.log = '';
  91     }
  92     var logAreas = container.querySelectorAll('textarea.serviceworker-log');
  93     for (var i = 0; i < logAreas.length; ++i) {
  94       var logArea = logAreas[i];
  95       if (logArea.partition_id == partition_id &&
  96           logArea.version_id == version.version_id) {
  97         logArea.value = version.log;
  98       }
  99     }
 100   }
 101
 102   // Get the unregistered workers.
 103   // |unregistered_registrations| will be filled with the registrations which
 104   // are in |live_registrations| but not in |stored_registrations|.
 105   // |unregistered_versions| will be filled with the versions which
 106   // are in |live_versions| but not in |stored_registrations| nor in
 107   // |live_registrations|.
 108   function getUnregisteredWorkers(stored_registrations,
 109                                   live_registrations,
 110                                   live_versions,
 111                                   unregistered_registrations,
 112                                   unregistered_versions) {
 113     var registration_id_set = {};
 114     var version_id_set = {};
 115     stored_registrations.forEach(function(registration) {
 116       registration_id_set[registration.registration_id] = true;
 117     });
 118     [stored_registrations, live_registrations].forEach(function(registrations) {
 119       registrations.forEach(function(registration) {
 120         [registration.active, registration.waiting].forEach(function(version) {
 121           if (version) {
 122             version_id_set[version.version_id] = true;
 123           }
 124         });
 125       });
 126     });
 127     live_registrations.forEach(function(registration) {
 128       if (!registration_id_set[registration.registration_id]) {
 129         registration.unregistered = true;
 130         unregistered_registrations.push(registration);
 131       }
 132     });
 133     live_versions.forEach(function(version) {
 134       if (!version_id_set[version.version_id]) {
 135         unregistered_versions.push(version);
 136       }
 137     });
 138   }
 139
 140   // Fired once per partition from the backend.
 141   function onPartitionData(live_registrations,
 142                            live_versions,
 143                            stored_registrations,
 144                            partition_id,
 145                            partition_path) {
 146     var unregistered_registrations = [];
 147     var unregistered_versions = [];
 148     getUnregisteredWorkers(stored_registrations,
 149                            live_registrations,
 150                            live_versions,
 151                            unregistered_registrations,
 152                            unregistered_versions);
 153     var template;
 154     var container = $('serviceworker-list');
 155     // Existing templates are keyed by partition_id. This allows
 156     // the UI to be updated in-place rather than refreshing the
 157     // whole page.
 158     for (var i = 0; i < container.childNodes.length; ++i) {
 159       if (container.childNodes[i].partition_id == partition_id) {
 160         template = container.childNodes[i];
 161       }
 162     }
 163     // This is probably the first time we're loading.
 164     if (!template) {
 165       template = jstGetTemplate('serviceworker-list-template');
 166       container.appendChild(template);
 167     }
 168     var fillLogFunc = fillLogForVersion.bind(this, container, partition_id);
 169     stored_registrations.forEach(function(registration) {
 170       [registration.active, registration.waiting].forEach(fillLogFunc);
 171     });
 172     unregistered_registrations.forEach(function(registration) {
 173       [registration.active, registration.waiting].forEach(fillLogFunc);
 174     });
 175     unregistered_versions.forEach(fillLogFunc);
 176     jstProcess(new JsEvalContext({
 177                  stored_registrations: stored_registrations,
 178                  unregistered_registrations: unregistered_registrations,
 179                  unregistered_versions: unregistered_versions,
 180                  partition_id: partition_id,
 181                  partition_path: partition_path}),
 182                template);
 183     for (var i = 0; i < COMMANDS.length; ++i) {
 184       var handler = commandHandler(COMMANDS[i]);
 185       var links = container.querySelectorAll('button.' + COMMANDS[i]);
 186       for (var j = 0; j < links.length; ++j) {
 187         if (!links[j].hasClickEvent) {
 188           links[j].addEventListener('click', handler, false);
 189           links[j].hasClickEvent = true;
 190         }
 191       }
 192     }
 193   }
 194
 195   function onRunningStateChanged(partition_id, version_id) {
 196     update();
 197   }
 198
 199   function onErrorReported(partition_id,
 200                            version_id,
 201                            process_id,
 202                            thread_id,
 203                            error_info) {
 204     outputLogMessage(partition_id,
 205                      version_id,
 206                      'Error: ' + JSON.stringify(error_info) + '\n');
 207   }
 208
 209   function onConsoleMessageReported(partition_id,
 210                                     version_id,
 211                                     process_id,
 212                                     thread_id,
 213                                     message) {
 214     outputLogMessage(partition_id,
 215                      version_id,
 216                      'Console: ' + JSON.stringify(message) + '\n');
 217   }
 218
 219   function onVersionStateChanged(partition_id, version_id) {
 220     update();
 221   }
 222
 223   function onRegistrationStored(scope) {
 224     update();
 225   }
 226
 227   function onRegistrationDeleted(scope) {
 228     update();
 229   }
 230
 231   function outputLogMessage(partition_id, version_id, message) {
 232     if (!(partition_id in allLogMessages)) {
 233       allLogMessages[partition_id] = {};
 234     }
 235     var logMessages = allLogMessages[partition_id];
 236     if (version_id in logMessages) {
 237       logMessages[version_id] += message;
 238     } else {
 239       logMessages[version_id] = message;
 240     }
 241
 242     var logAreas = document.querySelectorAll('textarea.serviceworker-log');
 243     for (var i = 0; i < logAreas.length; ++i) {
 244       var logArea = logAreas[i];
 245       if (logArea.partition_id == partition_id &&
 246           logArea.version_id == version_id) {
 247         logArea.value += message;
 248       }
 249     }
 250   }
 251
 252   return {
 253     initialize: initialize,
 254     onOptions: onOptions,
 255     onOperationComplete: onOperationComplete,
 256     onPartitionData: onPartitionData,
 257     onRunningStateChanged: onRunningStateChanged,
 258     onErrorReported: onErrorReported,
 259     onConsoleMessageReported: onConsoleMessageReported,
 260     onVersionStateChanged: onVersionStateChanged,
 261     onRegistrationStored: onRegistrationStored,
 262     onRegistrationDeleted: onRegistrationDeleted,
 263   };
 264 });
 265
 266 document.addEventListener('DOMContentLoaded', serviceworker.initialize);