1 /*

     2  * Copyright (C) 2010 Apple 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

     6  * are met:

     7  * 1. Redistributions of source code must retain the above copyright

     8  *    notice, this list of conditions and the following disclaimer.

     9  * 2. Redistributions in binary form must reproduce the above copyright

    10  *    notice, this list of conditions and the following disclaimer in the

    11  *    documentation and/or other materials provided with the distribution.

    12  *

    13  * THIS SOFTWARE IS PROVIDED BY APPLE INC. AND ITS CONTRIBUTORS ``AS IS''

    14  * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,

    15  * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR

    16  * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR ITS CONTRIBUTORS

    17  * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR

    18  * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF

    19  * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS

    20  * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN

    21  * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)

    22  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF

    23  * THE POSSIBILITY OF SUCH DAMAGE.

    24  */

    25 

    26 #ifndef WKBundleAPICast_h

    27 #define WKBundleAPICast_h

    28 

    29 #include "WKBundleBase.h"

    30 

    31 namespace WebKit {

    32 

    33 class InjectedBundle;

    34 class WebFrame;

    35 class WebPage;

    36 

    37 template<typename APIType> struct BundleAPITypeInfo { };

    38 template<> struct BundleAPITypeInfo<WKBundlePageRef>            { typedef WebPage* ImplType; };

    39 template<> struct BundleAPITypeInfo<WKBundleFrameRef>           { typedef WebFrame* ImplType; };

    40 template<> struct BundleAPITypeInfo<WKBundleRef>                { typedef InjectedBundle* ImplType; };

    41 

    42 template<typename ImplType> struct BundleImplTypeInfo { };

    43 template<> struct BundleImplTypeInfo<WebPage*>                  { typedef WKBundlePageRef APIType; };

    44 template<> struct BundleImplTypeInfo<WebFrame*>                 { typedef WKBundleFrameRef APIType; };

    45 template<> struct BundleImplTypeInfo<InjectedBundle*>           { typedef WKBundleRef APIType; };

    46 

    47 } // namespace WebKit

    48 

    49 /* Opaque typing convenience methods */

    50 

    51 template<typename T>

    52 inline typename WebKit::BundleAPITypeInfo<T>::ImplType toWK(T t)

    53 {

    54     return reinterpret_cast<typename WebKit::BundleAPITypeInfo<T>::ImplType>(t);

    55 }

    56 

    57 template<typename T>

    58 inline typename WebKit::BundleImplTypeInfo<T>::APIType toRef(T t)

    59 {

    60     return reinterpret_cast<typename WebKit::BundleImplTypeInfo<T>::APIType>(t);

    61 }

    62 

    63 #endif // WKBundleAPICast_h