Home | History | Annotate | Download | only in src 
      1 /*
      2  * Copyright (C) 2010 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 WebEventListenerPrivate_h
     32 #define WebEventListenerPrivate_h
     33 
     34 #include "WebString.h"
     35 
     36 #include <wtf/Vector.h>
     37 
     38 namespace WebCore {
     39 class Node;
     40 }
     41 
     42 using namespace WebCore;
     43 
     44 namespace WebKit {
     45 
     46 class EventListenerWrapper;
     47 class WebEventListener;
     48 
     49 class WebEventListenerPrivate {
     50 public:
     51     WebEventListenerPrivate(WebEventListener* webEventListener);
     52     ~WebEventListenerPrivate();
     53 
     54     EventListenerWrapper* createEventListenerWrapper(
     55         const WebString& eventType, bool useCapture, Node* node);
     56 
     57     // Gets the ListenerEventWrapper for a specific node.
     58     // Used by WebNode::removeEventListener().
     59     EventListenerWrapper* getEventListenerWrapper(
     60         const WebString& eventType, bool useCapture, Node* node);
     61 
     62     // Called by the WebEventListener when it is about to be deleted.
     63     void webEventListenerDeleted();
     64 
     65     // Called by the EventListenerWrapper when it is about to be deleted.
     66     void eventListenerDeleted(EventListenerWrapper* eventListener);
     67 
     68     struct ListenerInfo {
     69         ListenerInfo(const WebString& eventType, bool useCapture,
     70                      EventListenerWrapper* eventListenerWrapper,
     71                      Node* node)
     72             : eventType(eventType)
     73             , useCapture(useCapture)
     74             , eventListenerWrapper(eventListenerWrapper)
     75             , node(node)
     76         {
     77         }
     78 
     79         WebString eventType;
     80         bool useCapture;
     81         EventListenerWrapper* eventListenerWrapper;
     82         Node* node;
     83     };
     84 
     85 private:
     86     WebEventListener* m_webEventListener;
     87 
     88     // We keep a list of the wrapper for the WebKit EventListener, it is needed
     89     // to implement WebNode::removeEventListener().
     90     Vector<ListenerInfo> m_listenerWrappers;
     91 };
     92 
     93 } // namespace WebKit
     94 
     95 #endif
     96