src/chrome/browser/resources/net_internals/capture_status_view.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 /**
   6  * The status view at the top of the page when in capturing mode.
   7  */
   8 var CaptureStatusView = (function() {
   9   'use strict';
  10
  11   // We inherit from DivView.
  12   var superClass = DivView;
  13
  14   function CaptureStatusView() {
  15     superClass.call(this, CaptureStatusView.MAIN_BOX_ID);
  16
  17     this.getDropdown_().onchange = this.onSelectAction_.bind(this);
  18     this.getDropdown_().selectedIndex = -1;
  19
  20     this.capturedEventsCountBox_ =
  21         $(CaptureStatusView.CAPTURED_EVENTS_COUNT_ID);
  22     this.updateEventCounts_();
  23
  24     EventsTracker.getInstance().addLogEntryObserver(this);
  25   }
  26
  27   // IDs for special HTML elements in status_view.html
  28   CaptureStatusView.MAIN_BOX_ID = 'capture-status-view';
  29   CaptureStatusView.ACTIONS_DROPDOWN_ID = 'capture-status-view-actions';
  30   CaptureStatusView.CAPTURED_EVENTS_COUNT_ID =
  31       'capture-status-view-captured-events-count';
  32
  33   CaptureStatusView.prototype = {
  34     // Inherit the superclass's methods.
  35     __proto__: superClass.prototype,
  36
  37     /**
  38      * Called whenever new log entries have been received.
  39      */
  40     onReceivedLogEntries: function(logEntries) {
  41       this.updateEventCounts_();
  42     },
  43
  44     /**
  45      * Called whenever all log events are deleted.
  46      */
  47     onAllLogEntriesDeleted: function() {
  48       this.updateEventCounts_();
  49     },
  50
  51     /**
  52      * Updates the counters showing how many events have been captured.
  53      */
  54     updateEventCounts_: function() {
  55       this.capturedEventsCountBox_.textContent =
  56           EventsTracker.getInstance().getNumCapturedEvents();
  57     },
  58
  59     getDropdown_: function() {
  60       return $(CaptureStatusView.ACTIONS_DROPDOWN_ID);
  61     },
  62
  63     onSelectAction_: function() {
  64       var dropdown = this.getDropdown_();
  65       var action = dropdown.value;
  66       dropdown.selectedIndex = -1;
  67
  68       if (action == 'stop') {
  69         $(CaptureView.STOP_BUTTON_ID).click();
  70       } else if (action == 'reset') {
  71         $(CaptureView.RESET_BUTTON_ID).click();
  72       } else if (action == 'clear-cache') {
  73         g_browser.sendClearAllCache();
  74       } else if (action == 'flush-sockets') {
  75         g_browser.sendFlushSocketPools();
  76       } else {
  77         throw Error('Unrecognized action: ' + action);
  78       }
  79     },
  80   };
  81
  82   return CaptureStatusView;
  83 })();