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      1 /*
      2  * Copyright (C) 2010, 2011 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 WebPopupMenuProxy_h
     27 #define WebPopupMenuProxy_h
     28 
     29 #include <WebCore/TextDirection.h>
     30 #include <wtf/PassRefPtr.h>
     31 #include <wtf/RefCounted.h>
     32 #include <wtf/Vector.h>
     33 
     34 namespace WebCore {
     35     class IntRect;
     36 }
     37 
     38 namespace WebKit {
     39 
     40 struct PlatformPopupMenuData;
     41 struct WebPopupItem;
     42 class NativeWebMouseEvent;
     43 
     44 class WebPopupMenuProxy : public RefCounted<WebPopupMenuProxy> {
     45 public:
     46     class Client {
     47     protected:
     48         virtual ~Client()
     49         {
     50         }
     51 
     52     public:
     53         virtual void valueChangedForPopupMenu(WebPopupMenuProxy*, int32_t newSelectedIndex) = 0;
     54         virtual void setTextFromItemForPopupMenu(WebPopupMenuProxy*, int32_t index) = 0;
     55         virtual NativeWebMouseEvent* currentlyProcessedMouseDownEvent() = 0;
     56     };
     57 
     58     virtual ~WebPopupMenuProxy()
     59     {
     60     }
     61 
     62     virtual void showPopupMenu(const WebCore::IntRect& rect, WebCore::TextDirection, double scaleFactor, const Vector<WebPopupItem>& items, const PlatformPopupMenuData&, int32_t selectedIndex) = 0;
     63     virtual void hidePopupMenu() = 0;
     64 
     65     void invalidate() { m_client = 0; }
     66 
     67 protected:
     68     WebPopupMenuProxy(Client* client)
     69         : m_client(client)
     70     {
     71     }
     72 
     73     Client* m_client;
     74 };
     75 
     76 } // namespace WebKit
     77 
     78 #endif // WebPopupMenuProxy_h
     79