1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
|
/*
* Copyright (C) 2009 Google Inc. All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are
* met:
*
* * Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* * Redistributions in binary form must reproduce the above
* copyright notice, this list of conditions and the following disclaimer
* in the documentation and/or other materials provided with the
* distribution.
* * Neither the name of Google Inc. nor the names of its
* contributors may be used to endorse or promote products derived from
* this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
* A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
* OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#ifndef AbstractWorker_h
#define AbstractWorker_h
#if ENABLE(WORKERS)
#include "ActiveDOMObject.h"
#include "AtomicStringHash.h"
#include "EventListener.h"
#include "EventTarget.h"
#include <wtf/PassRefPtr.h>
#include <wtf/RefCounted.h>
#include <wtf/RefPtr.h>
namespace WebCore {
class ScriptExecutionContext;
class AbstractWorker : public RefCounted<AbstractWorker>, public ActiveDOMObject, public EventTarget {
public:
// EventTarget APIs
virtual ScriptExecutionContext* scriptExecutionContext() const { return ActiveDOMObject::scriptExecutionContext(); }
virtual void addEventListener(const AtomicString& eventType, PassRefPtr<EventListener>, bool useCapture);
virtual void removeEventListener(const AtomicString& eventType, EventListener*, bool useCapture);
virtual bool dispatchEvent(PassRefPtr<Event>, ExceptionCode&);
// Utility routines to generate appropriate error events for loading and script exceptions.
void dispatchLoadErrorEvent();
bool dispatchScriptErrorEvent(const String& errorMessage, const String& sourceURL, int);
void setOnerror(PassRefPtr<EventListener> eventListener) { m_onErrorListener = eventListener; }
EventListener* onerror() const { return m_onErrorListener.get(); }
typedef Vector<RefPtr<EventListener> > ListenerVector;
typedef HashMap<AtomicString, ListenerVector> EventListenersMap;
EventListenersMap& eventListeners() { return m_eventListeners; }
using RefCounted<AbstractWorker>::ref;
using RefCounted<AbstractWorker>::deref;
AbstractWorker(ScriptExecutionContext*);
virtual ~AbstractWorker();
private:
virtual void refEventTarget() { ref(); }
virtual void derefEventTarget() { deref(); }
RefPtr<EventListener> m_onErrorListener;
EventListenersMap m_eventListeners;
};
} // namespace WebCore
#endif // ENABLE(WORKERS)
#endif // AbstractWorker_h
|
