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| 1 // Copyright (c) 2011 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 * This view displays information on the proxy setup: | |
| 7 * | |
| 8 * - Shows the current proxy settings. | |
| 9 * - Has a button to reload these settings. | |
| 10 * - Shows the log entries for the most recent INIT_PROXY_RESOLVER source | |
| 11 * - Shows the list of proxy hostnames that are cached as "bad". | |
| 12 * - Has a button to clear the cached bad proxies. | |
| 13 * | |
| 14 * @constructor | |
| 15 */ | |
| 16 function ProxyView() { | |
| 17 const mainBoxId = 'proxyTabContent'; | |
| 18 const originalSettingsDivId = 'proxyOriginalSettings'; | |
| 19 const effectiveSettingsDivId = 'proxyEffectiveSettings'; | |
| 20 const reloadSettingsButtonId = 'proxyReloadSettings'; | |
| 21 const badProxiesTbodyId = 'badProxiesTableBody'; | |
| 22 const clearBadProxiesButtonId = 'clearBadProxies'; | |
| 23 const proxyResolverLogPreId = 'proxyResolverLog'; | |
| 24 | |
| 25 DivView.call(this, mainBoxId); | |
| 26 | |
| 27 this.latestProxySourceId_ = 0; | |
| 28 | |
| 29 // Hook up the UI components. | |
| 30 this.originalSettingsDiv_ = $(originalSettingsDivId); | |
| 31 this.effectiveSettingsDiv_ = $(effectiveSettingsDivId); | |
| 32 this.proxyResolverLogPre_ = $(proxyResolverLogPreId); | |
| 33 this.badProxiesTbody_ = $(badProxiesTbodyId); | |
| 34 | |
| 35 var reloadSettingsButton = $(reloadSettingsButtonId); | |
| 36 var clearBadProxiesButton = $(clearBadProxiesButtonId); | |
| 37 | |
| 38 clearBadProxiesButton.onclick = g_browser.sendClearBadProxies.bind(g_browser); | |
| 39 reloadSettingsButton.onclick = | |
| 40 g_browser.sendReloadProxySettings.bind(g_browser); | |
| 41 | |
| 42 // Register to receive proxy information as it changes. | |
| 43 g_browser.addProxySettingsObserver(this); | |
| 44 g_browser.addBadProxiesObserver(this); | |
| 45 g_browser.sourceTracker.addObserver(this); | |
| 46 } | |
| 47 | |
| 48 inherits(ProxyView, DivView); | |
| 49 | |
| 50 ProxyView.prototype.onLoadLogStart = function(data) { | |
| 51 // Need to reset this so the latest proxy source from the dump can be | |
| 52 // identified when the log entries are loaded. | |
| 53 this.latestProxySourceId_ = 0; | |
| 54 }; | |
| 55 | |
| 56 ProxyView.prototype.onLoadLogFinish = function(data, tabData) { | |
| 57 // It's possible that the last INIT_PROXY_RESOLVER source was deleted from the | |
| 58 // log, but earlier sources remain. When that happens, clear the list of | |
| 59 // entries here, to avoid displaying misleading information. | |
| 60 if (tabData != this.latestProxySourceId_) | |
| 61 this.clearLog_(); | |
| 62 return this.onProxySettingsChanged(data.proxySettings) && | |
| 63 this.onBadProxiesChanged(data.badProxies); | |
| 64 }; | |
| 65 | |
| 66 /** | |
| 67 * Save view-specific state. | |
| 68 * | |
| 69 * Save the greatest seen proxy source id, so we will not incorrectly identify | |
| 70 * the log source associated with the current proxy configuration. | |
| 71 */ | |
| 72 ProxyView.prototype.saveState = function() { | |
| 73 return this.latestProxySourceId_; | |
| 74 }; | |
| 75 | |
| 76 ProxyView.prototype.onProxySettingsChanged = function(proxySettings) { | |
| 77 // Both |original| and |effective| are dictionaries describing the settings. | |
| 78 this.originalSettingsDiv_.innerHTML = ''; | |
| 79 this.effectiveSettingsDiv_.innerHTML = ''; | |
| 80 | |
| 81 if (!proxySettings) | |
| 82 return false; | |
| 83 | |
| 84 var original = proxySettings.original; | |
| 85 var effective = proxySettings.effective; | |
| 86 | |
| 87 if (!original || !effective) | |
| 88 return false; | |
| 89 | |
| 90 addTextNode(this.originalSettingsDiv_, proxySettingsToString(original)); | |
| 91 addTextNode(this.effectiveSettingsDiv_, proxySettingsToString(effective)); | |
| 92 return true; | |
| 93 }; | |
| 94 | |
| 95 ProxyView.prototype.onBadProxiesChanged = function(badProxies) { | |
| 96 this.badProxiesTbody_.innerHTML = ''; | |
| 97 | |
| 98 if (!badProxies) | |
| 99 return false; | |
| 100 | |
| 101 // Add a table row for each bad proxy entry. | |
| 102 for (var i = 0; i < badProxies.length; ++i) { | |
| 103 var entry = badProxies[i]; | |
| 104 var badUntilDate = convertTimeTicksToDate(entry.bad_until); | |
| 105 | |
| 106 var tr = addNode(this.badProxiesTbody_, 'tr'); | |
| 107 | |
| 108 var nameCell = addNode(tr, 'td'); | |
| 109 var badUntilCell = addNode(tr, 'td'); | |
| 110 | |
| 111 addTextNode(nameCell, entry.proxy_uri); | |
| 112 addTextNode(badUntilCell, badUntilDate.toLocaleString()); | |
| 113 } | |
| 114 return true; | |
| 115 }; | |
| 116 | |
| 117 ProxyView.prototype.onSourceEntryUpdated = function(sourceEntry) { | |
| 118 if (sourceEntry.getSourceType() != LogSourceType.INIT_PROXY_RESOLVER || | |
| 119 this.latestProxySourceId_ > sourceEntry.getSourceId()) { | |
| 120 return; | |
| 121 } | |
| 122 | |
| 123 this.latestProxySourceId_ = sourceEntry.getSourceId(); | |
| 124 | |
| 125 this.proxyResolverLogPre_.innerHTML = ''; | |
| 126 addTextNode(this.proxyResolverLogPre_, sourceEntry.printAsText()); | |
| 127 }; | |
| 128 | |
| 129 /** | |
| 130 * Clears the display of and log entries for the last proxy lookup. | |
| 131 */ | |
| 132 ProxyView.prototype.clearLog_ = function() { | |
| 133 // Prevents display of partial logs. | |
| 134 ++this.latestProxySourceId_; | |
| 135 | |
| 136 this.proxyResolverLogPre_.innerHTML = ''; | |
| 137 addTextNode(this.proxyResolverLogPre_, 'Deleted.'); | |
| 138 }; | |
| 139 | |
| 140 ProxyView.prototype.onSourceEntriesDeleted = function(sourceIds) { | |
| 141 if (sourceIds.indexOf(this.latestProxySourceId_) != -1) | |
| 142 this.clearLog_(); | |
| 143 }; | |
| 144 | |
| 145 ProxyView.prototype.onAllSourceEntriesDeleted = function() { | |
| 146 this.clearLog_(); | |
| 147 }; | |
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