1 /*

     2  * Copyright (C) 2007 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 COMPUTER, INC. ``AS IS'' AND ANY

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

    15  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR

    16  * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL APPLE COMPUTER, INC. OR

    17  * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,

    18  * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,

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

    20  * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY

    21  * OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT

    22  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE

    23  * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 

    24  */

    25 

    26 

    27 #ifndef WebDropSource_h

    28 #define WebDropSource_h

    29 

    30 #include "COMPtr.h"

    31 #include <objidl.h>

    32 

    33 class WebView;

    34 

    35 class WebDropSource : public IDropSource

    36 {

    37 public:

    38     virtual HRESULT STDMETHODCALLTYPE QueryInterface(REFIID riid, void** ppvObject);        

    39     virtual ULONG STDMETHODCALLTYPE AddRef(void);

    40     virtual ULONG STDMETHODCALLTYPE Release(void);

    41     virtual HRESULT STDMETHODCALLTYPE QueryContinueDrag(BOOL fEscapePressed, DWORD grfKeyState);

    42     virtual HRESULT STDMETHODCALLTYPE GiveFeedback(DWORD dwEffect);

    43 

    44     static HRESULT createInstance(WebView* webView, IDropSource** result);

    45 private:

    46     WebDropSource(WebView* webView);

    47     long m_ref;

    48     bool m_dropped;

    49     COMPtr<WebView> m_webView;

    50 

    51 };

    52 

    53 #endif //!WebDropSource_h