browser/devtools/netmonitor/netmonitor-controller.js

changeset 0
6474c204b198
     1.1 --- /dev/null	Thu Jan 01 00:00:00 1970 +0000
     1.2 +++ b/browser/devtools/netmonitor/netmonitor-controller.js	Wed Dec 31 06:09:35 2014 +0100
     1.3 @@ -0,0 +1,812 @@
     1.4 +/* -*- Mode: javascript; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
     1.5 +/* vim: set ft=javascript ts=2 et sw=2 tw=80: */
     1.6 +/* This Source Code Form is subject to the terms of the Mozilla Public
     1.7 + * License, v. 2.0. If a copy of the MPL was not distributed with this
     1.8 + * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
     1.9 +"use strict";
    1.10 +
    1.11 +const { classes: Cc, interfaces: Ci, utils: Cu } = Components;
    1.12 +
    1.13 +const NET_STRINGS_URI = "chrome://browser/locale/devtools/netmonitor.properties";
    1.14 +const LISTENERS = [ "NetworkActivity" ];
    1.15 +const NET_PREFS = { "NetworkMonitor.saveRequestAndResponseBodies": true };
    1.16 +
    1.17 +// The panel's window global is an EventEmitter firing the following events:
    1.18 +const EVENTS = {
    1.19 +  // When the monitored target begins and finishes navigating.
    1.20 +  TARGET_WILL_NAVIGATE: "NetMonitor:TargetWillNavigate",
    1.21 +  TARGET_DID_NAVIGATE: "NetMonitor:TargetNavigate",
    1.22 +
    1.23 +  // When a network event is received.
    1.24 +  // See https://developer.mozilla.org/docs/Tools/Web_Console/remoting for
    1.25 +  // more information about what each packet is supposed to deliver.
    1.26 +  NETWORK_EVENT: "NetMonitor:NetworkEvent",
    1.27 +
    1.28 +  // When request headers begin and finish receiving.
    1.29 +  UPDATING_REQUEST_HEADERS: "NetMonitor:NetworkEventUpdating:RequestHeaders",
    1.30 +  RECEIVED_REQUEST_HEADERS: "NetMonitor:NetworkEventUpdated:RequestHeaders",
    1.31 +
    1.32 +  // When request cookies begin and finish receiving.
    1.33 +  UPDATING_REQUEST_COOKIES: "NetMonitor:NetworkEventUpdating:RequestCookies",
    1.34 +  RECEIVED_REQUEST_COOKIES: "NetMonitor:NetworkEventUpdated:RequestCookies",
    1.35 +
    1.36 +  // When request post data begins and finishes receiving.
    1.37 +  UPDATING_REQUEST_POST_DATA: "NetMonitor:NetworkEventUpdating:RequestPostData",
    1.38 +  RECEIVED_REQUEST_POST_DATA: "NetMonitor:NetworkEventUpdated:RequestPostData",
    1.39 +
    1.40 +  // When response headers begin and finish receiving.
    1.41 +  UPDATING_RESPONSE_HEADERS: "NetMonitor:NetworkEventUpdating:ResponseHeaders",
    1.42 +  RECEIVED_RESPONSE_HEADERS: "NetMonitor:NetworkEventUpdated:ResponseHeaders",
    1.43 +
    1.44 +  // When response cookies begin and finish receiving.
    1.45 +  UPDATING_RESPONSE_COOKIES: "NetMonitor:NetworkEventUpdating:ResponseCookies",
    1.46 +  RECEIVED_RESPONSE_COOKIES: "NetMonitor:NetworkEventUpdated:ResponseCookies",
    1.47 +
    1.48 +  // When event timings begin and finish receiving.
    1.49 +  UPDATING_EVENT_TIMINGS: "NetMonitor:NetworkEventUpdating:EventTimings",
    1.50 +  RECEIVED_EVENT_TIMINGS: "NetMonitor:NetworkEventUpdated:EventTimings",
    1.51 +
    1.52 +  // When response content begins, updates and finishes receiving.
    1.53 +  STARTED_RECEIVING_RESPONSE: "NetMonitor:NetworkEventUpdating:ResponseStart",
    1.54 +  UPDATING_RESPONSE_CONTENT: "NetMonitor:NetworkEventUpdating:ResponseContent",
    1.55 +  RECEIVED_RESPONSE_CONTENT: "NetMonitor:NetworkEventUpdated:ResponseContent",
    1.56 +
    1.57 +  // When the request post params are displayed in the UI.
    1.58 +  REQUEST_POST_PARAMS_DISPLAYED: "NetMonitor:RequestPostParamsAvailable",
    1.59 +
    1.60 +  // When the response body is displayed in the UI.
    1.61 +  RESPONSE_BODY_DISPLAYED: "NetMonitor:ResponseBodyAvailable",
    1.62 +
    1.63 +  // When the html response preview is displayed in the UI.
    1.64 +  RESPONSE_HTML_PREVIEW_DISPLAYED: "NetMonitor:ResponseHtmlPreviewAvailable",
    1.65 +
    1.66 +  // When the image response thumbnail is displayed in the UI.
    1.67 +  RESPONSE_IMAGE_THUMBNAIL_DISPLAYED: "NetMonitor:ResponseImageThumbnailAvailable",
    1.68 +
    1.69 +  // When a tab is selected in the NetworkDetailsView and subsequently rendered.
    1.70 +  TAB_UPDATED: "NetMonitor:TabUpdated",
    1.71 +
    1.72 +  // Fired when Sidebar has finished being populated.
    1.73 +  SIDEBAR_POPULATED: "NetMonitor:SidebarPopulated",
    1.74 +
    1.75 +  // Fired when NetworkDetailsView has finished being populated.
    1.76 +  NETWORKDETAILSVIEW_POPULATED: "NetMonitor:NetworkDetailsViewPopulated",
    1.77 +
    1.78 +  // Fired when CustomRequestView has finished being populated.
    1.79 +  CUSTOMREQUESTVIEW_POPULATED: "NetMonitor:CustomRequestViewPopulated",
    1.80 +
    1.81 +  // Fired when charts have been displayed in the PerformanceStatisticsView.
    1.82 +  PLACEHOLDER_CHARTS_DISPLAYED: "NetMonitor:PlaceholderChartsDisplayed",
    1.83 +  PRIMED_CACHE_CHART_DISPLAYED: "NetMonitor:PrimedChartsDisplayed",
    1.84 +  EMPTY_CACHE_CHART_DISPLAYED: "NetMonitor:EmptyChartsDisplayed",
    1.85 +
    1.86 +  // Fired once the NetMonitorController establishes a connection to the debug
    1.87 +  // target.
    1.88 +  CONNECTED: "connected",
    1.89 +};
    1.90 +
    1.91 +// Descriptions for what this frontend is currently doing.
    1.92 +const ACTIVITY_TYPE = {
    1.93 +  // Standing by and handling requests normally.
    1.94 +  NONE: 0,
    1.95 +
    1.96 +  // Forcing the target to reload with cache enabled or disabled.
    1.97 +  RELOAD: {
    1.98 +    WITH_CACHE_ENABLED: 1,
    1.99 +    WITH_CACHE_DISABLED: 2
   1.100 +  },
   1.101 +
   1.102 +  // Enabling or disabling the cache without triggering a reload.
   1.103 +  ENABLE_CACHE: 3,
   1.104 +  DISABLE_CACHE: 4
   1.105 +};
   1.106 +
   1.107 +Cu.import("resource://gre/modules/Services.jsm");
   1.108 +Cu.import("resource://gre/modules/XPCOMUtils.jsm");
   1.109 +Cu.import("resource:///modules/devtools/SideMenuWidget.jsm");
   1.110 +Cu.import("resource:///modules/devtools/VariablesView.jsm");
   1.111 +Cu.import("resource:///modules/devtools/VariablesViewController.jsm");
   1.112 +Cu.import("resource:///modules/devtools/ViewHelpers.jsm");
   1.113 +
   1.114 +const require = Cu.import("resource://gre/modules/devtools/Loader.jsm", {}).devtools.require;
   1.115 +const promise = Cu.import("resource://gre/modules/Promise.jsm", {}).Promise;
   1.116 +const EventEmitter = require("devtools/toolkit/event-emitter");
   1.117 +const Editor = require("devtools/sourceeditor/editor");
   1.118 +const {Tooltip} = require("devtools/shared/widgets/Tooltip");
   1.119 +
   1.120 +XPCOMUtils.defineLazyModuleGetter(this, "Chart",
   1.121 +  "resource:///modules/devtools/Chart.jsm");
   1.122 +
   1.123 +XPCOMUtils.defineLazyModuleGetter(this, "Curl",
   1.124 +  "resource:///modules/devtools/Curl.jsm");
   1.125 +
   1.126 +XPCOMUtils.defineLazyModuleGetter(this, "CurlUtils",
   1.127 +  "resource:///modules/devtools/Curl.jsm");
   1.128 +
   1.129 +XPCOMUtils.defineLazyModuleGetter(this, "Task",
   1.130 +  "resource://gre/modules/Task.jsm");
   1.131 +
   1.132 +XPCOMUtils.defineLazyModuleGetter(this, "PluralForm",
   1.133 +  "resource://gre/modules/PluralForm.jsm");
   1.134 +
   1.135 +XPCOMUtils.defineLazyModuleGetter(this, "DevToolsUtils",
   1.136 +  "resource://gre/modules/devtools/DevToolsUtils.jsm");
   1.137 +
   1.138 +XPCOMUtils.defineLazyServiceGetter(this, "clipboardHelper",
   1.139 +  "@mozilla.org/widget/clipboardhelper;1", "nsIClipboardHelper");
   1.140 +
   1.141 +Object.defineProperty(this, "NetworkHelper", {
   1.142 +  get: function() {
   1.143 +    return require("devtools/toolkit/webconsole/network-helper");
   1.144 +  },
   1.145 +  configurable: true,
   1.146 +  enumerable: true
   1.147 +});
   1.148 +
   1.149 +/**
   1.150 + * Object defining the network monitor controller components.
   1.151 + */
   1.152 +let NetMonitorController = {
   1.153 +  /**
   1.154 +   * Initializes the view.
   1.155 +   *
   1.156 +   * @return object
   1.157 +   *         A promise that is resolved when the monitor finishes startup.
   1.158 +   */
   1.159 +  startupNetMonitor: function() {
   1.160 +    if (this._startup) {
   1.161 +      return this._startup;
   1.162 +    }
   1.163 +
   1.164 +    NetMonitorView.initialize();
   1.165 +
   1.166 +    // Startup is synchronous, for now.
   1.167 +    return this._startup = promise.resolve();
   1.168 +  },
   1.169 +
   1.170 +  /**
   1.171 +   * Destroys the view and disconnects the monitor client from the server.
   1.172 +   *
   1.173 +   * @return object
   1.174 +   *         A promise that is resolved when the monitor finishes shutdown.
   1.175 +   */
   1.176 +  shutdownNetMonitor: function() {
   1.177 +    if (this._shutdown) {
   1.178 +      return this._shutdown;
   1.179 +    }
   1.180 +
   1.181 +    NetMonitorView.destroy();
   1.182 +    this.TargetEventsHandler.disconnect();
   1.183 +    this.NetworkEventsHandler.disconnect();
   1.184 +    this.disconnect();
   1.185 +
   1.186 +    // Shutdown is synchronous, for now.
   1.187 +    return this._shutdown = promise.resolve();
   1.188 +  },
   1.189 +
   1.190 +  /**
   1.191 +   * Initiates remote or chrome network monitoring based on the current target,
   1.192 +   * wiring event handlers as necessary.
   1.193 +   *
   1.194 +   * @return object
   1.195 +   *         A promise that is resolved when the monitor finishes connecting.
   1.196 +   */
   1.197 +  connect: Task.async(function*() {
   1.198 +    if (this._connection) {
   1.199 +      return this._connection;
   1.200 +    }
   1.201 +
   1.202 +    let deferred = promise.defer();
   1.203 +    this._connection = deferred.promise;
   1.204 +
   1.205 +    let target = this._target;
   1.206 +    let { client, form } = target;
   1.207 +    if (target.chrome) {
   1.208 +      this._startChromeMonitoring(client, form.consoleActor, deferred.resolve);
   1.209 +    } else {
   1.210 +      this._startMonitoringTab(client, form, deferred.resolve);
   1.211 +    }
   1.212 +
   1.213 +    yield deferred.promise;
   1.214 +    window.emit(EVENTS.CONNECTED);
   1.215 +  }),
   1.216 +
   1.217 +  /**
   1.218 +   * Disconnects the debugger client and removes event handlers as necessary.
   1.219 +   */
   1.220 +  disconnect: function() {
   1.221 +    // When debugging local or a remote instance, the connection is closed by
   1.222 +    // the RemoteTarget.
   1.223 +    this._connection = null;
   1.224 +    this.client = null;
   1.225 +    this.tabClient = null;
   1.226 +    this.webConsoleClient = null;
   1.227 +  },
   1.228 +
   1.229 +  /**
   1.230 +   * Sets up a monitoring session.
   1.231 +   *
   1.232 +   * @param DebuggerClient aClient
   1.233 +   *        The debugger client.
   1.234 +   * @param object aTabGrip
   1.235 +   *        The remote protocol grip of the tab.
   1.236 +   * @param function aCallback
   1.237 +   *        A function to invoke once the client attached to the console client.
   1.238 +   */
   1.239 +  _startMonitoringTab: function(aClient, aTabGrip, aCallback) {
   1.240 +    if (!aClient) {
   1.241 +      Cu.reportError("No client found!");
   1.242 +      return;
   1.243 +    }
   1.244 +    this.client = aClient;
   1.245 +
   1.246 +    aClient.attachTab(aTabGrip.actor, (aResponse, aTabClient) => {
   1.247 +      if (!aTabClient) {
   1.248 +        Cu.reportError("No tab client found!");
   1.249 +        return;
   1.250 +      }
   1.251 +      this.tabClient = aTabClient;
   1.252 +
   1.253 +      aClient.attachConsole(aTabGrip.consoleActor, LISTENERS, (aResponse, aWebConsoleClient) => {
   1.254 +        if (!aWebConsoleClient) {
   1.255 +          Cu.reportError("Couldn't attach to console: " + aResponse.error);
   1.256 +          return;
   1.257 +        }
   1.258 +        this.webConsoleClient = aWebConsoleClient;
   1.259 +        this.webConsoleClient.setPreferences(NET_PREFS, () => {
   1.260 +          this.TargetEventsHandler.connect();
   1.261 +          this.NetworkEventsHandler.connect();
   1.262 +
   1.263 +          if (aCallback) {
   1.264 +            aCallback();
   1.265 +          }
   1.266 +        });
   1.267 +      });
   1.268 +    });
   1.269 +  },
   1.270 +
   1.271 +  /**
   1.272 +   * Sets up a chrome monitoring session.
   1.273 +   *
   1.274 +   * @param DebuggerClient aClient
   1.275 +   *        The debugger client.
   1.276 +   * @param object aConsoleActor
   1.277 +   *        The remote protocol grip of the chrome debugger.
   1.278 +   * @param function aCallback
   1.279 +   *        A function to invoke once the client attached to the console client.
   1.280 +   */
   1.281 +  _startChromeMonitoring: function(aClient, aConsoleActor, aCallback) {
   1.282 +    if (!aClient) {
   1.283 +      Cu.reportError("No client found!");
   1.284 +      return;
   1.285 +    }
   1.286 +    this.client = aClient;
   1.287 +
   1.288 +    aClient.attachConsole(aConsoleActor, LISTENERS, (aResponse, aWebConsoleClient) => {
   1.289 +      if (!aWebConsoleClient) {
   1.290 +        Cu.reportError("Couldn't attach to console: " + aResponse.error);
   1.291 +        return;
   1.292 +      }
   1.293 +      this.webConsoleClient = aWebConsoleClient;
   1.294 +      this.webConsoleClient.setPreferences(NET_PREFS, () => {
   1.295 +        this.TargetEventsHandler.connect();
   1.296 +        this.NetworkEventsHandler.connect();
   1.297 +
   1.298 +        if (aCallback) {
   1.299 +          aCallback();
   1.300 +        }
   1.301 +      });
   1.302 +    });
   1.303 +  },
   1.304 +
   1.305 +  /**
   1.306 +   * Gets the activity currently performed by the frontend.
   1.307 +   * @return number
   1.308 +   */
   1.309 +  getCurrentActivity: function() {
   1.310 +    return this._currentActivity || ACTIVITY_TYPE.NONE;
   1.311 +  },
   1.312 +
   1.313 +  /**
   1.314 +   * Triggers a specific "activity" to be performed by the frontend. This can be,
   1.315 +   * for example, triggering reloads or enabling/disabling cache.
   1.316 +   *
   1.317 +   * @param number aType
   1.318 +   *        The activity type. See the ACTIVITY_TYPE const.
   1.319 +   * @return object
   1.320 +   *         A promise resolved once the activity finishes and the frontend
   1.321 +   *         is back into "standby" mode.
   1.322 +   */
   1.323 +  triggerActivity: function(aType) {
   1.324 +    // Puts the frontend into "standby" (when there's no particular activity).
   1.325 +    let standBy = () => {
   1.326 +      this._currentActivity = ACTIVITY_TYPE.NONE;
   1.327 +    };
   1.328 +
   1.329 +    // Waits for a series of "navigation start" and "navigation stop" events.
   1.330 +    let waitForNavigation = () => {
   1.331 +      let deferred = promise.defer();
   1.332 +      this._target.once("will-navigate", () => {
   1.333 +        this._target.once("navigate", () => {
   1.334 +          deferred.resolve();
   1.335 +        });
   1.336 +      });
   1.337 +      return deferred.promise;
   1.338 +    };
   1.339 +
   1.340 +    // Reconfigures the tab, optionally triggering a reload.
   1.341 +    let reconfigureTab = aOptions => {
   1.342 +      let deferred = promise.defer();
   1.343 +      this._target.activeTab.reconfigure(aOptions, deferred.resolve);
   1.344 +      return deferred.promise;
   1.345 +    };
   1.346 +
   1.347 +    // Reconfigures the tab and waits for the target to finish navigating.
   1.348 +    let reconfigureTabAndWaitForNavigation = aOptions => {
   1.349 +      aOptions.performReload = true;
   1.350 +      let navigationFinished = waitForNavigation();
   1.351 +      return reconfigureTab(aOptions).then(() => navigationFinished);
   1.352 +    }
   1.353 +
   1.354 +    if (aType == ACTIVITY_TYPE.RELOAD.WITH_CACHE_ENABLED) {
   1.355 +      this._currentActivity = ACTIVITY_TYPE.ENABLE_CACHE;
   1.356 +      this._target.once("will-navigate", () => this._currentActivity = aType);
   1.357 +      return reconfigureTabAndWaitForNavigation({ cacheEnabled: true }).then(standBy);
   1.358 +    }
   1.359 +    if (aType == ACTIVITY_TYPE.RELOAD.WITH_CACHE_DISABLED) {
   1.360 +      this._currentActivity = ACTIVITY_TYPE.DISABLE_CACHE;
   1.361 +      this._target.once("will-navigate", () => this._currentActivity = aType);
   1.362 +      return reconfigureTabAndWaitForNavigation({ cacheEnabled: false }).then(standBy);
   1.363 +    }
   1.364 +    if (aType == ACTIVITY_TYPE.ENABLE_CACHE) {
   1.365 +      this._currentActivity = aType;
   1.366 +      return reconfigureTab({ cacheEnabled: true, performReload: false }).then(standBy);
   1.367 +    }
   1.368 +    if (aType == ACTIVITY_TYPE.DISABLE_CACHE) {
   1.369 +      this._currentActivity = aType;
   1.370 +      return reconfigureTab({ cacheEnabled: false, performReload: false }).then(standBy);
   1.371 +    }
   1.372 +    this._currentActivity = ACTIVITY_TYPE.NONE;
   1.373 +    return promise.reject(new Error("Invalid activity type"));
   1.374 +  },
   1.375 +
   1.376 +  /**
   1.377 +   * Getter that tells if the server supports sending custom network requests.
   1.378 +   * @type boolean
   1.379 +   */
   1.380 +  get supportsCustomRequest() {
   1.381 +    return this.webConsoleClient &&
   1.382 +           (this.webConsoleClient.traits.customNetworkRequest ||
   1.383 +            !this._target.isApp);
   1.384 +  },
   1.385 +
   1.386 +  /**
   1.387 +   * Getter that tells if the server can do network performance statistics.
   1.388 +   * @type boolean
   1.389 +   */
   1.390 +  get supportsPerfStats() {
   1.391 +    return this.tabClient &&
   1.392 +           (this.tabClient.traits.reconfigure || !this._target.isApp);
   1.393 +  },
   1.394 +
   1.395 +  _startup: null,
   1.396 +  _shutdown: null,
   1.397 +  _connection: null,
   1.398 +  _currentActivity: null,
   1.399 +  client: null,
   1.400 +  tabClient: null,
   1.401 +  webConsoleClient: null
   1.402 +};
   1.403 +
   1.404 +/**
   1.405 + * Functions handling target-related lifetime events.
   1.406 + */
   1.407 +function TargetEventsHandler() {
   1.408 +  this._onTabNavigated = this._onTabNavigated.bind(this);
   1.409 +  this._onTabDetached = this._onTabDetached.bind(this);
   1.410 +}
   1.411 +
   1.412 +TargetEventsHandler.prototype = {
   1.413 +  get target() NetMonitorController._target,
   1.414 +  get webConsoleClient() NetMonitorController.webConsoleClient,
   1.415 +
   1.416 +  /**
   1.417 +   * Listen for events emitted by the current tab target.
   1.418 +   */
   1.419 +  connect: function() {
   1.420 +    dumpn("TargetEventsHandler is connecting...");
   1.421 +    this.target.on("close", this._onTabDetached);
   1.422 +    this.target.on("navigate", this._onTabNavigated);
   1.423 +    this.target.on("will-navigate", this._onTabNavigated);
   1.424 +  },
   1.425 +
   1.426 +  /**
   1.427 +   * Remove events emitted by the current tab target.
   1.428 +   */
   1.429 +  disconnect: function() {
   1.430 +    if (!this.target) {
   1.431 +      return;
   1.432 +    }
   1.433 +    dumpn("TargetEventsHandler is disconnecting...");
   1.434 +    this.target.off("close", this._onTabDetached);
   1.435 +    this.target.off("navigate", this._onTabNavigated);
   1.436 +    this.target.off("will-navigate", this._onTabNavigated);
   1.437 +  },
   1.438 +
   1.439 +  /**
   1.440 +   * Called for each location change in the monitored tab.
   1.441 +   *
   1.442 +   * @param string aType
   1.443 +   *        Packet type.
   1.444 +   * @param object aPacket
   1.445 +   *        Packet received from the server.
   1.446 +   */
   1.447 +  _onTabNavigated: function(aType, aPacket) {
   1.448 +    switch (aType) {
   1.449 +      case "will-navigate": {
   1.450 +        // Reset UI.
   1.451 +        if (!Services.prefs.getBoolPref("devtools.webconsole.persistlog")) {
   1.452 +          NetMonitorView.RequestsMenu.reset();
   1.453 +          NetMonitorView.Sidebar.toggle(false);
   1.454 +        }
   1.455 +        // Switch to the default network traffic inspector view.
   1.456 +        if (NetMonitorController.getCurrentActivity() == ACTIVITY_TYPE.NONE) {
   1.457 +          NetMonitorView.showNetworkInspectorView();
   1.458 +        }
   1.459 +
   1.460 +        window.emit(EVENTS.TARGET_WILL_NAVIGATE);
   1.461 +        break;
   1.462 +      }
   1.463 +      case "navigate": {
   1.464 +        window.emit(EVENTS.TARGET_DID_NAVIGATE);
   1.465 +        break;
   1.466 +      }
   1.467 +    }
   1.468 +  },
   1.469 +
   1.470 +  /**
   1.471 +   * Called when the monitored tab is closed.
   1.472 +   */
   1.473 +  _onTabDetached: function() {
   1.474 +    NetMonitorController.shutdownNetMonitor();
   1.475 +  }
   1.476 +};
   1.477 +
   1.478 +/**
   1.479 + * Functions handling target network events.
   1.480 + */
   1.481 +function NetworkEventsHandler() {
   1.482 +  this._onNetworkEvent = this._onNetworkEvent.bind(this);
   1.483 +  this._onNetworkEventUpdate = this._onNetworkEventUpdate.bind(this);
   1.484 +  this._onRequestHeaders = this._onRequestHeaders.bind(this);
   1.485 +  this._onRequestCookies = this._onRequestCookies.bind(this);
   1.486 +  this._onRequestPostData = this._onRequestPostData.bind(this);
   1.487 +  this._onResponseHeaders = this._onResponseHeaders.bind(this);
   1.488 +  this._onResponseCookies = this._onResponseCookies.bind(this);
   1.489 +  this._onResponseContent = this._onResponseContent.bind(this);
   1.490 +  this._onEventTimings = this._onEventTimings.bind(this);
   1.491 +}
   1.492 +
   1.493 +NetworkEventsHandler.prototype = {
   1.494 +  get client() NetMonitorController._target.client,
   1.495 +  get webConsoleClient() NetMonitorController.webConsoleClient,
   1.496 +
   1.497 +  /**
   1.498 +   * Connect to the current target client.
   1.499 +   */
   1.500 +  connect: function() {
   1.501 +    dumpn("NetworkEventsHandler is connecting...");
   1.502 +    this.client.addListener("networkEvent", this._onNetworkEvent);
   1.503 +    this.client.addListener("networkEventUpdate", this._onNetworkEventUpdate);
   1.504 +  },
   1.505 +
   1.506 +  /**
   1.507 +   * Disconnect from the client.
   1.508 +   */
   1.509 +  disconnect: function() {
   1.510 +    if (!this.client) {
   1.511 +      return;
   1.512 +    }
   1.513 +    dumpn("NetworkEventsHandler is disconnecting...");
   1.514 +    this.client.removeListener("networkEvent", this._onNetworkEvent);
   1.515 +    this.client.removeListener("networkEventUpdate", this._onNetworkEventUpdate);
   1.516 +  },
   1.517 +
   1.518 +  /**
   1.519 +   * The "networkEvent" message type handler.
   1.520 +   *
   1.521 +   * @param string aType
   1.522 +   *        Message type.
   1.523 +   * @param object aPacket
   1.524 +   *        The message received from the server.
   1.525 +   */
   1.526 +  _onNetworkEvent: function(aType, aPacket) {
   1.527 +    if (aPacket.from != this.webConsoleClient.actor) {
   1.528 +      // Skip events from different console actors.
   1.529 +      return;
   1.530 +    }
   1.531 +
   1.532 +    let { actor, startedDateTime, method, url, isXHR } = aPacket.eventActor;
   1.533 +    NetMonitorView.RequestsMenu.addRequest(actor, startedDateTime, method, url, isXHR);
   1.534 +    window.emit(EVENTS.NETWORK_EVENT);
   1.535 +  },
   1.536 +
   1.537 +  /**
   1.538 +   * The "networkEventUpdate" message type handler.
   1.539 +   *
   1.540 +   * @param string aType
   1.541 +   *        Message type.
   1.542 +   * @param object aPacket
   1.543 +   *        The message received from the server.
   1.544 +   */
   1.545 +  _onNetworkEventUpdate: function(aType, aPacket) {
   1.546 +    let actor = aPacket.from;
   1.547 +    if (!NetMonitorView.RequestsMenu.getItemByValue(actor)) {
   1.548 +      // Skip events from unknown actors.
   1.549 +      return;
   1.550 +    }
   1.551 +
   1.552 +    switch (aPacket.updateType) {
   1.553 +      case "requestHeaders":
   1.554 +        this.webConsoleClient.getRequestHeaders(actor, this._onRequestHeaders);
   1.555 +        window.emit(EVENTS.UPDATING_REQUEST_HEADERS);
   1.556 +        break;
   1.557 +      case "requestCookies":
   1.558 +        this.webConsoleClient.getRequestCookies(actor, this._onRequestCookies);
   1.559 +        window.emit(EVENTS.UPDATING_REQUEST_COOKIES);
   1.560 +        break;
   1.561 +      case "requestPostData":
   1.562 +        this.webConsoleClient.getRequestPostData(actor, this._onRequestPostData);
   1.563 +        window.emit(EVENTS.UPDATING_REQUEST_POST_DATA);
   1.564 +        break;
   1.565 +      case "responseHeaders":
   1.566 +        this.webConsoleClient.getResponseHeaders(actor, this._onResponseHeaders);
   1.567 +        window.emit(EVENTS.UPDATING_RESPONSE_HEADERS);
   1.568 +        break;
   1.569 +      case "responseCookies":
   1.570 +        this.webConsoleClient.getResponseCookies(actor, this._onResponseCookies);
   1.571 +        window.emit(EVENTS.UPDATING_RESPONSE_COOKIES);
   1.572 +        break;
   1.573 +      case "responseStart":
   1.574 +        NetMonitorView.RequestsMenu.updateRequest(aPacket.from, {
   1.575 +          httpVersion: aPacket.response.httpVersion,
   1.576 +          status: aPacket.response.status,
   1.577 +          statusText: aPacket.response.statusText,
   1.578 +          headersSize: aPacket.response.headersSize
   1.579 +        });
   1.580 +        window.emit(EVENTS.STARTED_RECEIVING_RESPONSE);
   1.581 +        break;
   1.582 +      case "responseContent":
   1.583 +        NetMonitorView.RequestsMenu.updateRequest(aPacket.from, {
   1.584 +          contentSize: aPacket.contentSize,
   1.585 +          mimeType: aPacket.mimeType
   1.586 +        });
   1.587 +        this.webConsoleClient.getResponseContent(actor, this._onResponseContent);
   1.588 +        window.emit(EVENTS.UPDATING_RESPONSE_CONTENT);
   1.589 +        break;
   1.590 +      case "eventTimings":
   1.591 +        NetMonitorView.RequestsMenu.updateRequest(aPacket.from, {
   1.592 +          totalTime: aPacket.totalTime
   1.593 +        });
   1.594 +        this.webConsoleClient.getEventTimings(actor, this._onEventTimings);
   1.595 +        window.emit(EVENTS.UPDATING_EVENT_TIMINGS);
   1.596 +        break;
   1.597 +    }
   1.598 +  },
   1.599 +
   1.600 +  /**
   1.601 +   * Handles additional information received for a "requestHeaders" packet.
   1.602 +   *
   1.603 +   * @param object aResponse
   1.604 +   *        The message received from the server.
   1.605 +   */
   1.606 +  _onRequestHeaders: function(aResponse) {
   1.607 +    NetMonitorView.RequestsMenu.updateRequest(aResponse.from, {
   1.608 +      requestHeaders: aResponse
   1.609 +    });
   1.610 +    window.emit(EVENTS.RECEIVED_REQUEST_HEADERS);
   1.611 +  },
   1.612 +
   1.613 +  /**
   1.614 +   * Handles additional information received for a "requestCookies" packet.
   1.615 +   *
   1.616 +   * @param object aResponse
   1.617 +   *        The message received from the server.
   1.618 +   */
   1.619 +  _onRequestCookies: function(aResponse) {
   1.620 +    NetMonitorView.RequestsMenu.updateRequest(aResponse.from, {
   1.621 +      requestCookies: aResponse
   1.622 +    });
   1.623 +    window.emit(EVENTS.RECEIVED_REQUEST_COOKIES);
   1.624 +  },
   1.625 +
   1.626 +  /**
   1.627 +   * Handles additional information received for a "requestPostData" packet.
   1.628 +   *
   1.629 +   * @param object aResponse
   1.630 +   *        The message received from the server.
   1.631 +   */
   1.632 +  _onRequestPostData: function(aResponse) {
   1.633 +    NetMonitorView.RequestsMenu.updateRequest(aResponse.from, {
   1.634 +      requestPostData: aResponse
   1.635 +    });
   1.636 +    window.emit(EVENTS.RECEIVED_REQUEST_POST_DATA);
   1.637 +  },
   1.638 +
   1.639 +  /**
   1.640 +   * Handles additional information received for a "responseHeaders" packet.
   1.641 +   *
   1.642 +   * @param object aResponse
   1.643 +   *        The message received from the server.
   1.644 +   */
   1.645 +  _onResponseHeaders: function(aResponse) {
   1.646 +    NetMonitorView.RequestsMenu.updateRequest(aResponse.from, {
   1.647 +      responseHeaders: aResponse
   1.648 +    });
   1.649 +    window.emit(EVENTS.RECEIVED_RESPONSE_HEADERS);
   1.650 +  },
   1.651 +
   1.652 +  /**
   1.653 +   * Handles additional information received for a "responseCookies" packet.
   1.654 +   *
   1.655 +   * @param object aResponse
   1.656 +   *        The message received from the server.
   1.657 +   */
   1.658 +  _onResponseCookies: function(aResponse) {
   1.659 +    NetMonitorView.RequestsMenu.updateRequest(aResponse.from, {
   1.660 +      responseCookies: aResponse
   1.661 +    });
   1.662 +    window.emit(EVENTS.RECEIVED_RESPONSE_COOKIES);
   1.663 +  },
   1.664 +
   1.665 +  /**
   1.666 +   * Handles additional information received for a "responseContent" packet.
   1.667 +   *
   1.668 +   * @param object aResponse
   1.669 +   *        The message received from the server.
   1.670 +   */
   1.671 +  _onResponseContent: function(aResponse) {
   1.672 +    NetMonitorView.RequestsMenu.updateRequest(aResponse.from, {
   1.673 +      responseContent: aResponse
   1.674 +    });
   1.675 +    window.emit(EVENTS.RECEIVED_RESPONSE_CONTENT);
   1.676 +  },
   1.677 +
   1.678 +  /**
   1.679 +   * Handles additional information received for a "eventTimings" packet.
   1.680 +   *
   1.681 +   * @param object aResponse
   1.682 +   *        The message received from the server.
   1.683 +   */
   1.684 +  _onEventTimings: function(aResponse) {
   1.685 +    NetMonitorView.RequestsMenu.updateRequest(aResponse.from, {
   1.686 +      eventTimings: aResponse
   1.687 +    });
   1.688 +    window.emit(EVENTS.RECEIVED_EVENT_TIMINGS);
   1.689 +  },
   1.690 +
   1.691 +  /**
   1.692 +   * Fetches the full text of a LongString.
   1.693 +   *
   1.694 +   * @param object | string aStringGrip
   1.695 +   *        The long string grip containing the corresponding actor.
   1.696 +   *        If you pass in a plain string (by accident or because you're lazy),
   1.697 +   *        then a promise of the same string is simply returned.
   1.698 +   * @return object Promise
   1.699 +   *         A promise that is resolved when the full string contents
   1.700 +   *         are available, or rejected if something goes wrong.
   1.701 +   */
   1.702 +  getString: function(aStringGrip) {
   1.703 +    // Make sure this is a long string.
   1.704 +    if (typeof aStringGrip != "object" || aStringGrip.type != "longString") {
   1.705 +      return promise.resolve(aStringGrip); // Go home string, you're drunk.
   1.706 +    }
   1.707 +    // Fetch the long string only once.
   1.708 +    if (aStringGrip._fullText) {
   1.709 +      return aStringGrip._fullText.promise;
   1.710 +    }
   1.711 +
   1.712 +    let deferred = aStringGrip._fullText = promise.defer();
   1.713 +    let { actor, initial, length } = aStringGrip;
   1.714 +    let longStringClient = this.webConsoleClient.longString(aStringGrip);
   1.715 +
   1.716 +    longStringClient.substring(initial.length, length, aResponse => {
   1.717 +      if (aResponse.error) {
   1.718 +        Cu.reportError(aResponse.error + ": " + aResponse.message);
   1.719 +        deferred.reject(aResponse);
   1.720 +        return;
   1.721 +      }
   1.722 +      deferred.resolve(initial + aResponse.substring);
   1.723 +    });
   1.724 +
   1.725 +    return deferred.promise;
   1.726 +  }
   1.727 +};
   1.728 +
   1.729 +/**
   1.730 + * Localization convenience methods.
   1.731 + */
   1.732 +let L10N = new ViewHelpers.L10N(NET_STRINGS_URI);
   1.733 +
   1.734 +/**
   1.735 + * Shortcuts for accessing various network monitor preferences.
   1.736 + */
   1.737 +let Prefs = new ViewHelpers.Prefs("devtools.netmonitor", {
   1.738 +  networkDetailsWidth: ["Int", "panes-network-details-width"],
   1.739 +  networkDetailsHeight: ["Int", "panes-network-details-height"],
   1.740 +  statistics: ["Bool", "statistics"],
   1.741 +  filters: ["Json", "filters"]
   1.742 +});
   1.743 +
   1.744 +/**
   1.745 + * Returns true if this is document is in RTL mode.
   1.746 + * @return boolean
   1.747 + */
   1.748 +XPCOMUtils.defineLazyGetter(window, "isRTL", function() {
   1.749 +  return window.getComputedStyle(document.documentElement, null).direction == "rtl";
   1.750 +});
   1.751 +
   1.752 +/**
   1.753 + * Convenient way of emitting events from the panel window.
   1.754 + */
   1.755 +EventEmitter.decorate(this);
   1.756 +
   1.757 +/**
   1.758 + * Preliminary setup for the NetMonitorController object.
   1.759 + */
   1.760 +NetMonitorController.TargetEventsHandler = new TargetEventsHandler();
   1.761 +NetMonitorController.NetworkEventsHandler = new NetworkEventsHandler();
   1.762 +
   1.763 +/**
   1.764 + * Export some properties to the global scope for easier access.
   1.765 + */
   1.766 +Object.defineProperties(window, {
   1.767 +  "gNetwork": {
   1.768 +    get: function() NetMonitorController.NetworkEventsHandler
   1.769 +  }
   1.770 +});
   1.771 +
   1.772 +/**
   1.773 + * Makes sure certain properties are available on all objects in a data store.
   1.774 + *
   1.775 + * @param array aDataStore
   1.776 + *        A list of objects for which to check the availability of properties.
   1.777 + * @param array aMandatoryFields
   1.778 + *        A list of strings representing properties of objects in aDataStore.
   1.779 + * @return object
   1.780 + *         A promise resolved when all objects in aDataStore contain the
   1.781 + *         properties defined in aMandatoryFields.
   1.782 + */
   1.783 +function whenDataAvailable(aDataStore, aMandatoryFields) {
   1.784 +  let deferred = promise.defer();
   1.785 +
   1.786 +  let interval = setInterval(() => {
   1.787 +    if (aDataStore.every(item => aMandatoryFields.every(field => field in item))) {
   1.788 +      clearInterval(interval);
   1.789 +      clearTimeout(timer);
   1.790 +      deferred.resolve();
   1.791 +    }
   1.792 +  }, WDA_DEFAULT_VERIFY_INTERVAL);
   1.793 +
   1.794 +  let timer = setTimeout(() => {
   1.795 +    clearInterval(interval);
   1.796 +    deferred.reject(new Error("Timed out while waiting for data"));
   1.797 +  }, WDA_DEFAULT_GIVE_UP_TIMEOUT);
   1.798 +
   1.799 +  return deferred.promise;
   1.800 +};
   1.801 +
   1.802 +const WDA_DEFAULT_VERIFY_INTERVAL = 50; // ms
   1.803 +const WDA_DEFAULT_GIVE_UP_TIMEOUT = 2000; // ms
   1.804 +
   1.805 +/**
   1.806 + * Helper method for debugging.
   1.807 + * @param string
   1.808 + */
   1.809 +function dumpn(str) {
   1.810 +  if (wantLogging) {
   1.811 +    dump("NET-FRONTEND: " + str + "\n");
   1.812 +  }
   1.813 +}
   1.814 +
   1.815 +let wantLogging = Services.prefs.getBoolPref("devtools.debugger.log");

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