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      1 /*
      2  * Copyright (C) 2009 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 #ifndef GenericBinding_h
     32 #define GenericBinding_h
     33 
     34 #include "Frame.h"
     35 #include "FrameLoader.h"
     36 
     37 namespace WebCore {
     38 
     39 // Used to instantiate binding templates for any methods shared among all
     40 // language bindings.
     41 class GenericBinding {};
     42 
     43 // Class to represent execution state for each language binding.
     44 template <class T>
     45 class State {};
     46 
     47 // Common notion of execution state for language bindings.
     48 template <>
     49 class State<GenericBinding> {
     50     // Any methods shared across bindings can go here.
     51 };
     52 
     53 template <class Binding>
     54 KURL completeURL(State<Binding>* state, const String& relativeURL)
     55 {
     56     // For historical reasons, we need to complete the URL using the
     57     // dynamic frame.
     58     Frame* frame = state->firstFrame();
     59     if (!frame)
     60         return KURL();
     61     return frame->loader()->completeURL(relativeURL);
     62 }
     63 
     64 }
     65 
     66 #endif // GenericBinding_h
     67