1 /*

     2  * Copyright (C) 2008, 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 ScriptInstance_h

    32 #define ScriptInstance_h

    33 

    34 #include <v8.h>

    35 

    36 #include <wtf/PassRefPtr.h>

    37 #include <wtf/RefCounted.h>

    38 #include <wtf/RefPtr.h>

    39 

    40 namespace WebCore {

    41 

    42 class V8ScriptInstance : public RefCounted<V8ScriptInstance> {

    43 public:

    44     static PassRefPtr<V8ScriptInstance> create(v8::Handle<v8::Object> instance)

    45     {

    46         return adoptRef(new V8ScriptInstance(instance));

    47     }

    48     V8ScriptInstance();

    49     V8ScriptInstance(v8::Handle<v8::Object>);

    50     ~V8ScriptInstance();

    51     v8::Persistent<v8::Object> instance();

    52 

    53 private:

    54     void clear();

    55     void set(v8::Handle<v8::Object>);

    56     mutable v8::Persistent<v8::Object> m_instance;

    57 };

    58 

    59 typedef RefPtr<V8ScriptInstance> ScriptInstance;

    60 typedef PassRefPtr<V8ScriptInstance> PassScriptInstance;

    61 

    62 } // namespace WebCore

    63 

    64 #endif // ScriptInstance_h