[DevTools] UI for network conditions emulation.

Source/devtools/front_end/sdk/OverridesSupport.js

Index: Source/devtools/front_end/sdk/OverridesSupport.js
diff --git a/Source/devtools/front_end/sdk/OverridesSupport.js b/Source/devtools/front_end/sdk/OverridesSupport.js
index b335a0edd63a3da475a4dc87c26495a89f089fa8..522b6e06e9275a43967f754582ccfe001c41c564 100644
--- a/Source/devtools/front_end/sdk/OverridesSupport.js
+++ b/Source/devtools/front_end/sdk/OverridesSupport.js
@@ -267,6 +267,21 @@ WebInspector.OverridesSupport.inputValidator = function(value)
     return WebInspector.UIString("Value must be non-negative integer");
 }
 
+/**
+ * @param {string} value

[eustas, 2014/06/05 15:06:51]

please specify return type.

+ */
+WebInspector.OverridesSupport.networkDomainsValidator = function(value)
+{
+    function test(s)
+    {
+        return /^[\w\-]+(\.[\w\-]+)*$/.test(s.trim());
+    }
+
+    if (!value.trim())
+        return "";
+    return value.split(",").every(test) ? "" : WebInspector.UIString("Value must be a comma-separated list of domains");
+}
+
 // Third element lists device metrics separated by 'x':
 // - screen width,
 // - screen height,
@@ -533,6 +548,9 @@ WebInspector.OverridesSupport.prototype = {
         if (this.settings.overrideUserAgent.get())
             this._userAgentChanged();
 
+        if (this.settings.emulateNetworkConditions.get())
+            this._networkConditionsChanged();
+
         this._showRulersChanged();
     },
 
@@ -708,6 +726,14 @@ WebInspector.OverridesSupport.prototype = {
         this.maybeHasActiveOverridesChanged();
     },
 
+    _networkConditionsChanged: function()
+    {
+        var domainsString = this.settings.networkDomains.get().trim();
+        var domains = domainsString ? domainsString.split(",").map(function (s) { return s.trim(); }) : [];
+        NetworkAgent.emulateNetworkConditions(domains, 0, this.settings.emulateNetworkConditions.get());
+        this.maybeHasActiveOverridesChanged();
+    },
+
     /**
      * @return {boolean}
      */
@@ -811,6 +837,9 @@ WebInspector.OverridesSupport.prototype = {
         this.settings.emulatedCSSMedia = WebInspector.settings.createSetting("emulatedCSSMedia", "print");
         this.settings.emulatedDevice = WebInspector.settings.createSetting("emulatedDevice", "Google Nexus 5");
 
+        this.settings.emulateNetworkConditions = WebInspector.settings.createSetting("emulateNetworkConditions", false);
+        this.settings.networkDomains = WebInspector.settings.createSetting("networkDomains", "");
+

[pfeldman, 2014/06/05 15:13:43]

networkOfflineDomains?

         this.maybeHasActiveOverridesChanged();
 
         this.settings.overrideUserAgent.addChangeListener(this._userAgentChanged, this);
@@ -835,6 +864,9 @@ WebInspector.OverridesSupport.prototype = {
         this.settings.overrideCSSMedia.addChangeListener(this._cssMediaChanged, this);
         this.settings.emulatedCSSMedia.addChangeListener(this._cssMediaChanged, this);
 
+        this.settings.emulateNetworkConditions.addChangeListener(this._networkConditionsChanged, this);
+        this.settings.networkDomains.addChangeListener(this._networkConditionsChanged, this);
+
         WebInspector.settings.showMetricsRulers.addChangeListener(this._showRulersChanged, this);
 
         if (this._applyInitialOverridesOnTargetAdded) {