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      1 /*
      2  * Copyright (C) 2010 Google Inc. All rights reserved.
      3  *
      4  * Redistribution and use in source and binary forms, with or without
      5  * modification, are permitted provided that the following conditions are
      6  * met:
      7  *
      8  *     * Redistributions of source code must retain the above copyright
      9  * notice, this list of conditions and the following disclaimer.
     10  *     * Redistributions in binary form must reproduce the above
     11  * copyright notice, this list of conditions and the following disclaimer
     12  * in the documentation and/or other materials provided with the
     13  * distribution.
     14  *     * Neither the name of Google Inc. nor the names of its
     15  * contributors may be used to endorse or promote products derived from
     16  * this software without specific prior written permission.
     17  *
     18  * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
     19  * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
     20  * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
     21  * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
     22  * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
     23  * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
     24  * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
     25  * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
     26  * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
     27  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
     28  * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
     29  */
     30 
     31 #include "config.h"
     32 #include "core/timing/PerformanceNavigation.h"
     33 
     34 #include "core/frame/LocalFrame.h"
     35 #include "core/loader/DocumentLoader.h"
     36 #include "core/loader/FrameLoaderTypes.h"
     37 
     38 namespace WebCore {
     39 
     40 PerformanceNavigation::PerformanceNavigation(LocalFrame* frame)
     41     : DOMWindowProperty(frame)
     42 {
     43     ScriptWrappable::init(this);
     44 }
     45 
     46 unsigned short PerformanceNavigation::type() const
     47 {
     48     if (!m_frame)
     49         return TYPE_NAVIGATE;
     50 
     51     DocumentLoader* documentLoader = m_frame->loader().documentLoader();
     52     if (!documentLoader)
     53         return TYPE_NAVIGATE;
     54 
     55     WebCore::NavigationType navigationType = documentLoader->triggeringAction().type();
     56     switch (navigationType) {
     57     case NavigationTypeReload:
     58         return TYPE_RELOAD;
     59     case NavigationTypeBackForward:
     60         return TYPE_BACK_FORWARD;
     61     default:
     62         return TYPE_NAVIGATE;
     63     }
     64 }
     65 
     66 unsigned short PerformanceNavigation::redirectCount() const
     67 {
     68     if (!m_frame)
     69         return 0;
     70 
     71     DocumentLoader* loader = m_frame->loader().documentLoader();
     72     if (!loader)
     73         return 0;
     74 
     75     DocumentLoadTiming* timing = loader->timing();
     76     if (timing->hasCrossOriginRedirect())
     77         return 0;
     78 
     79     return timing->redirectCount();
     80 }
     81 
     82 } // namespace WebCore
     83