Cancel javascript: URL navigations if the frame was navigated.

third_party/WebKit/Source/core/frame/LocalFrame.cpp

 /*
  * Copyright (C) 1998, 1999 Torben Weis <weis@kde.org>
  *                     1999 Lars Knoll <knoll@kde.org>
  *                     1999 Antti Koivisto <koivisto@kde.org>
  *                     2000 Simon Hausmann <hausmann@kde.org>
  *                     2000 Stefan Schimanski <1Stein@gmx.de>
  *                     2001 George Staikos <staikos@kde.org>
  * Copyright (C) 2004, 2005, 2006, 2007, 2008, 2009, 2010, 2011 Apple Inc. All rights reserved.
  * Copyright (C) 2005 Alexey Proskuryakov <ap@nypop.com>
  * Copyright (C) 2008 Nokia Corporation and/or its subsidiary(-ies)
@@ skipping 239 matching lines @@
         FrameLoadRequest request(&originDocument, url);
         request.resourceRequest().setHasUserGesture(userGestureStatus == UserGestureStatus::Active);
         m_loader.load(request);
     } else {
         m_navigationScheduler->scheduleLocationChange(&originDocument, url.string(), replaceCurrentItem);
     }
 }
 
 void LocalFrame::navigate(const FrameLoadRequest& request)
 {
+    if (!isNavigationAllowed())
+        return;
     m_loader.load(request);
 }
 
 void LocalFrame::reload(FrameLoadType loadType, ClientRedirectPolicy clientRedirectPolicy)
 {
     ASSERT(loadType == FrameLoadTypeReload || loadType == FrameLoadTypeReloadFromOrigin);
     ASSERT(clientRedirectPolicy == NotClientRedirect || loadType == FrameLoadTypeReload);
     if (clientRedirectPolicy == NotClientRedirect) {
         if (!m_loader.currentItem())
             return;
@@ skipping 601 matching lines @@
     : Frame(client, host, owner)
     , m_loader(this)
     , m_navigationScheduler(NavigationScheduler::create(this))
     , m_script(ScriptController::create(this))
     , m_editor(Editor::create(*this))
     , m_spellChecker(SpellChecker::create(*this))
     , m_selection(FrameSelection::create(this))
     , m_eventHandler(adoptPtrWillBeNoop(new EventHandler(this)))
     , m_console(FrameConsole::create(*this))
     , m_inputMethodController(InputMethodController::create(*this))
+    , m_navigationDisableCount(0)
     , m_pageZoomFactor(parentPageZoomFactor(this))
     , m_textZoomFactor(parentTextZoomFactor(this))
     , m_inViewSourceMode(false)
 {
     if (isLocalRoot())
         m_instrumentingAgents = InstrumentingAgents::create();
     else
         m_instrumentingAgents = localFrameRoot()->m_instrumentingAgents;
 }
 
@@ skipping 11 matching lines @@
     SecurityContext* context = securityContext();
     if (!context)
         return;
 
     WebSecurityOrigin securityOrigin(context->securityOrigin());
     frameScheduler()->setFrameOrigin(&securityOrigin);
 }
 
 DEFINE_WEAK_IDENTIFIER_MAP(LocalFrame);
 
+FrameNavigationDisabler::FrameNavigationDisabler(LocalFrame& frame)
+    : m_frame(&frame)
+{
+    m_frame->disableNavigation();
+}
+
+FrameNavigationDisabler::~FrameNavigationDisabler()
+{
+    m_frame->enableNavigation();
+}
+
 } // namespace blink