content/browser/resources/indexed_db/indexeddb_internals.js

   1 // Copyright (c) 2013 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('indexeddb', function() {
   6   'use strict';
   7
   8   function initialize() {
   9     chrome.send('getAllOrigins');
  10   }
  11
  12   function progressNodeFor(link) {
  13     return link.parentNode.querySelector('.download-status');
  14   }
  15
  16   function downloadOriginData(event) {
  17     var link = event.target;
  18     progressNodeFor(link).style.display = 'inline';
  19     chrome.send('downloadOriginData', [link.idb_partition_path,
  20                                        link.idb_origin_url]);
  21     return false;
  22   }
  23
  24   function forceClose(event) {
  25     var link = event.target;
  26     progressNodeFor(link).style.display = 'inline';
  27     chrome.send('forceClose', [link.idb_partition_path,
  28                                link.idb_origin_url]);
  29     return false;
  30   }
  31
  32   function withNode(selector, partition_path, origin_url, callback) {
  33     var links = document.querySelectorAll(selector);
  34     for (var i = 0; i < links.length; ++i) {
  35       var link = links[i];
  36       if (partition_path == link.idb_partition_path &&
  37           origin_url == link.idb_origin_url) {
  38         callback(link);
  39       }
  40     }
  41   }
  42   // Fired from the backend after the data has been zipped up, and the
  43   // download manager has begun downloading the file.
  44   function onOriginDownloadReady(partition_path, origin_url, connection_count) {
  45     withNode('a.download', partition_path, origin_url, function(link) {
  46       progressNodeFor(link).style.display = 'none';
  47     });
  48     withNode('.connection-count', partition_path, origin_url, function(span) {
  49       span.innerText = connection_count;
  50     });
  51   }
  52
  53   function onForcedClose(partition_path, origin_url, connection_count) {
  54     withNode('a.force-close', partition_path, origin_url, function(link) {
  55       progressNodeFor(link).style.display = 'none';
  56     });
  57     withNode('.connection-count', partition_path, origin_url, function(span) {
  58       span.innerText = connection_count;
  59     });
  60   }
  61
  62   // Fired from the backend with a single partition's worth of
  63   // IndexedDB metadata.
  64   function onOriginsReady(origins, partition_path) {
  65     var template = jstGetTemplate('indexeddb-list-template');
  66     var container = $('indexeddb-list');
  67     container.appendChild(template);
  68     jstProcess(new JsEvalContext({ idbs: origins,
  69                                    partition_path: partition_path}), template);
  70
  71     var downloadLinks = container.querySelectorAll('a.download');
  72     for (var i = 0; i < downloadLinks.length; ++i) {
  73       downloadLinks[i].addEventListener('click', downloadOriginData, false);
  74     }
  75     var forceCloseLinks = container.querySelectorAll('a.force-close');
  76     for (i = 0; i < forceCloseLinks.length; ++i) {
  77       forceCloseLinks[i].addEventListener('click', forceClose, false);
  78     }
  79   }
  80
  81   return {
  82     initialize: initialize,
  83     onForcedClose: onForcedClose,
  84     onOriginDownloadReady: onOriginDownloadReady,
  85     onOriginsReady: onOriginsReady,
  86   };
  87 });
  88
  89 document.addEventListener('DOMContentLoaded', indexeddb.initialize);