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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(mainBoxId,
     17                    originalSettingsDivId,
     18                    effectiveSettingsDivId,
     19                    reloadSettingsButtonId,
     20                    badProxiesTbodyId,
     21                    clearBadProxiesButtonId,
     22                    proxyResolverLogPreId) {
     23   DivView.call(this, mainBoxId);
     24 
     25   this.latestProxySourceEntries_ = null;
     26   this.latestProxySourceId_ = 0;
     27 
     28   // Hook up the UI components.
     29   this.originalSettingsDiv_ = document.getElementById(originalSettingsDivId);
     30   this.effectiveSettingsDiv_ =
     31       document.getElementById(effectiveSettingsDivId);
     32   this.proxyResolverLogPre_ = document.getElementById(proxyResolverLogPreId);
     33   this.badProxiesTbody_ = document.getElementById(badProxiesTbodyId);
     34 
     35   var reloadSettingsButton = document.getElementById(reloadSettingsButtonId);
     36   var clearBadProxiesButton = document.getElementById(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.addLogObserver(this);
     46 }
     47 
     48 inherits(ProxyView, DivView);
     49 
     50 ProxyView.prototype.onProxySettingsChanged = function(proxySettings) {
     51   var original = proxySettings.original;
     52   var effective = proxySettings.effective;
     53 
     54   // Both |original| and |effective| are dictionaries describing the settings.
     55   this.originalSettingsDiv_.innerHTML = ''
     56   this.effectiveSettingsDiv_.innerHTML = ''
     57 
     58   addTextNode(this.originalSettingsDiv_, proxySettingsToString(original));
     59   addTextNode(this.effectiveSettingsDiv_, proxySettingsToString(effective));
     60 };
     61 
     62 ProxyView.prototype.onBadProxiesChanged = function(badProxies) {
     63   this.badProxiesTbody_.innerHTML = '';
     64 
     65   // Add a table row for each bad proxy entry.
     66   for (var i = 0; i < badProxies.length; ++i) {
     67     var entry = badProxies[i];
     68     var badUntilDate = g_browser.convertTimeTicksToDate(entry.bad_until);
     69 
     70     var tr = addNode(this.badProxiesTbody_, 'tr');
     71 
     72     var nameCell = addNode(tr, 'td');
     73     var badUntilCell = addNode(tr, 'td');
     74 
     75     addTextNode(nameCell, entry.proxy_uri);
     76     addTextNode(badUntilCell, badUntilDate.toLocaleString());
     77   }
     78 };
     79 
     80 ProxyView.prototype.onLogEntryAdded = function(logEntry) {
     81   if (logEntry.source.type != LogSourceType.INIT_PROXY_RESOLVER ||
     82       this.latestProxySourceId_ > logEntry.source.id) {
     83     return;
     84   }
     85 
     86   if (logEntry.source.id > this.latestProxySourceId_) {
     87     this.latestProxySourceId_ = logEntry.source.id;
     88     this.latestProxySourceEntries_ = [];
     89   }
     90 
     91   this.latestProxySourceEntries_.push(logEntry);
     92   this.proxyResolverLogPre_.innerHTML = '';
     93   addTextNode(this.proxyResolverLogPre_,
     94               PrintSourceEntriesAsText(this.latestProxySourceEntries_));
     95 };
     96 
     97 /**
     98  * Clears the display of and log entries for the last proxy lookup.
     99  */
    100 ProxyView.prototype.clearLog_ = function() {
    101   this.latestProxySourceEntries_ = [];
    102   // Prevents display of partial logs.
    103   ++this.latestProxySourceId_;
    104 
    105   this.proxyResolverLogPre_.innerHTML = '';
    106   addTextNode(this.proxyResolverLogPre_, 'Deleted.');
    107 };
    108 
    109 ProxyView.prototype.onLogEntriesDeleted = function(sourceIds) {
    110   if (sourceIds.indexOf(this.latestProxySourceId_) != -1)
    111     this.clearLog_();
    112 };
    113 
    114 ProxyView.prototype.onAllLogEntriesDeleted = function() {
    115   this.clearLog_();
    116 };
    117 
    118 ProxyView.prototype.onSetIsViewingLogFile = function(isViewingLogFile) {
    119 };
    120 
    121