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      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 #include "config.h"
     32 #include "WebEventListenerPrivate.h"
     33 
     34 #include "EventListenerWrapper.h"
     35 #include "WebEventListener.h"
     36 
     37 namespace WebKit {
     38 
     39 WebEventListenerPrivate::WebEventListenerPrivate(WebEventListener* webEventListener)
     40     : m_webEventListener(webEventListener)
     41 {
     42 }
     43 
     44 WebEventListenerPrivate::~WebEventListenerPrivate()
     45 {
     46 }
     47 
     48 EventListenerWrapper* WebEventListenerPrivate::createEventListenerWrapper(const WebString& eventType, bool useCapture, Node* node)
     49 {
     50     EventListenerWrapper* listenerWrapper = new EventListenerWrapper(m_webEventListener);
     51     WebEventListenerPrivate::ListenerInfo listenerInfo(eventType, useCapture, listenerWrapper, node);
     52     m_listenerWrappers.append(listenerInfo);
     53     return listenerWrapper;
     54 }
     55 
     56 EventListenerWrapper* WebEventListenerPrivate::getEventListenerWrapper(const WebString& eventType, bool useCapture, Node* node)
     57 {
     58     Vector<WebEventListenerPrivate::ListenerInfo>::const_iterator iter;
     59     for (iter = m_listenerWrappers.begin(); iter != m_listenerWrappers.end(); ++iter) {
     60         if (iter->node == node)
     61           return iter->eventListenerWrapper;
     62     }
     63     ASSERT_NOT_REACHED();
     64     return 0;
     65 }
     66 
     67 void WebEventListenerPrivate::webEventListenerDeleted()
     68 {
     69     // Notifies all WebEventListenerWrappers that we are going away so they can
     70     // invalidate their pointer to us.
     71     Vector<WebEventListenerPrivate::ListenerInfo>::const_iterator iter;
     72     for (iter = m_listenerWrappers.begin(); iter != m_listenerWrappers.end(); ++iter)
     73         iter->eventListenerWrapper->webEventListenerDeleted();
     74 }
     75 
     76 void WebEventListenerPrivate::eventListenerDeleted(EventListenerWrapper* eventListener)
     77 {
     78     for (size_t i = 0; i < m_listenerWrappers.size(); ++i) {
     79         if (m_listenerWrappers[i].eventListenerWrapper == eventListener) {
     80             m_listenerWrappers.remove(i);
     81             return;
     82         }
     83     }
     84     ASSERT_NOT_REACHED();
     85 }
     86 
     87 } // namespace WebKit
     88