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
|
/*
* Copyright (C) 1999 Lars Knoll (knoll@kde.org)
* (C) 1999 Antti Koivisto (koivisto@kde.org)
* Copyright (C) 2004, 2005, 2006, 2007 Apple Inc. All rights reserved.
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Library General Public
* License as published by the Free Software Foundation; either
* version 2 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Library General Public License for more details.
*
* You should have received a copy of the GNU Library General Public License
* along with this library; see the file COPYING.LIB. If not, write to
* the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
* Boston, MA 02110-1301, USA.
*/
#include "config.h"
#include "HTMLImageLoader.h"
#include "CSSHelper.h"
#include "CachedImage.h"
#include "Element.h"
#include "Event.h"
#include "EventNames.h"
#include "HTMLNames.h"
#include "HTMLObjectElement.h"
namespace WebCore {
HTMLImageLoader::HTMLImageLoader(Element* node)
: ImageLoader(node)
{
}
HTMLImageLoader::~HTMLImageLoader()
{
}
void HTMLImageLoader::dispatchLoadEvent()
{
bool errorOccurred = image()->errorOccurred();
if (!errorOccurred && image()->httpStatusCodeErrorOccurred())
errorOccurred = element()->hasTagName(HTMLNames::objectTag); // An <object> considers a 404 to be an error and should fire onerror.
element()->dispatchEvent(Event::create(errorOccurred ? eventNames().errorEvent : eventNames().loadEvent, false, false));
}
String HTMLImageLoader::sourceURI(const AtomicString& attr) const
{
return deprecatedParseURL(attr);
}
void HTMLImageLoader::notifyFinished(CachedResource*)
{
CachedImage* cachedImage = image();
Element* elem = element();
ImageLoader::notifyFinished(cachedImage);
if ((cachedImage->errorOccurred() || cachedImage->httpStatusCodeErrorOccurred()) && elem->hasTagName(HTMLNames::objectTag))
static_cast<HTMLObjectElement*>(elem)->renderFallbackContent();
}
}
|
