Add custom interstitial for captive portals.

chrome/browser/captive_portal/captive_portal_tab_helper.cc

 // Copyright (c) 2012 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "chrome/browser/captive_portal/captive_portal_tab_helper.h"
 
 #include "base/bind.h"
 #include "chrome/browser/captive_portal/captive_portal_login_detector.h"
 #include "chrome/browser/captive_portal/captive_portal_service_factory.h"
 #include "chrome/browser/captive_portal/captive_portal_tab_reloader.h"
@@ skipping 23 matching lines @@
     : content::WebContentsObserver(web_contents),
       // web_contents is NULL in unit tests.
       profile_(web_contents ? Profile::FromBrowserContext(
                                   web_contents->GetBrowserContext())
                             : NULL),
       tab_reloader_(
           new CaptivePortalTabReloader(
               profile_,
               web_contents,
               base::Bind(&CaptivePortalTabHelper::OpenLoginTab,
-                         base::Unretained(this)))),
+                         base::Unretained(this), false))),
       login_detector_(new CaptivePortalLoginDetector(profile_)),
       web_contents_(web_contents),
       pending_error_code_(net::OK),
       provisional_render_view_host_(NULL) {
   registrar_.Add(this,
                  chrome::NOTIFICATION_CAPTIVE_PORTAL_CHECK_RESULT,
                  content::Source<Profile>(profile_));
   registrar_.Add(this,
                  content::NOTIFICATION_RESOURCE_RECEIVED_REDIRECT,
                  content::Source<content::WebContents>(web_contents));
@@ skipping 177 matching lines @@
 
 void CaptivePortalTabHelper::SetTabReloaderForTest(
     CaptivePortalTabReloader* tab_reloader) {
   tab_reloader_.reset(tab_reloader);
 }
 
 CaptivePortalTabReloader* CaptivePortalTabHelper::GetTabReloaderForTest() {
   return tab_reloader_.get();
 }
 
-void CaptivePortalTabHelper::OpenLoginTab() {
+void CaptivePortalTabHelper::OpenLoginTab(bool focus) {
   Browser* browser = chrome::FindBrowserWithWebContents(web_contents_);
 
   // If the Profile doesn't have a tabbed browser window open, do nothing.
   if (!browser)
     return;
 
   // Check if the Profile's topmost browser window already has a login tab.
   // If so, do nothing.
   // TODO(mmenke):  Consider focusing that tab, at least if this is the tab
   //                helper for the currently active tab for the profile.
   for (int i = 0; i < browser->tab_strip_model()->count(); ++i) {
     content::WebContents* web_contents =
         browser->tab_strip_model()->GetWebContentsAt(i);
     CaptivePortalTabHelper* captive_portal_tab_helper =
         CaptivePortalTabHelper::FromWebContents(web_contents);
-    if (captive_portal_tab_helper->IsLoginTab())
+    if (captive_portal_tab_helper->IsLoginTab()) {
+      if (focus)
+        browser->tab_strip_model()->ActivateTabAt(i, false);
       return;
+    }
   }
 
   // Otherwise, open a login tab.  Only end up here when a captive portal result
   // was received, so it's safe to assume |profile_| has a CaptivePortalService.
   content::WebContents* web_contents = chrome::AddSelectedTabWithURL(
           browser,
           CaptivePortalServiceFactory::GetForProfile(profile_)->test_url(),
           content::PAGE_TRANSITION_TYPED);
   CaptivePortalTabHelper* captive_portal_tab_helper =
       CaptivePortalTabHelper::FromWebContents(web_contents);
   captive_portal_tab_helper->SetIsLoginTab();
+  if (focus) {
+    int index = browser->tab_strip_model()->GetIndexOfWebContents(web_contents);
+    browser->tab_strip_model()->ActivateTabAt(index, false);
+  }

[mmenke, 2014/06/17 19:17:03]

I don't believe this is needed - "AddSelectedTabWithURL" uses
"NEW_FOREGROUND_TAB", so no need to activate an already active tab, no?

[meacer, 2014/06/18 21:23:08]

Correct.

 }