OLD | NEW |
1 /* | 1 /* |
2 * Copyright (C) 1999 Lars Knoll (knoll@kde.org) | 2 * Copyright (C) 1999 Lars Knoll (knoll@kde.org) |
3 * (C) 1999 Antti Koivisto (koivisto@kde.org) | 3 * (C) 1999 Antti Koivisto (koivisto@kde.org) |
4 * Copyright (C) 2004, 2005, 2006, 2007, 2010 Apple Inc. All rights reserved. | 4 * Copyright (C) 2004, 2005, 2006, 2007, 2010 Apple Inc. All rights reserved. |
5 * | 5 * |
6 * This library is free software; you can redistribute it and/or | 6 * This library is free software; you can redistribute it and/or |
7 * modify it under the terms of the GNU Library General Public | 7 * modify it under the terms of the GNU Library General Public |
8 * License as published by the Free Software Foundation; either | 8 * License as published by the Free Software Foundation; either |
9 * version 2 of the License, or (at your option) any later version. | 9 * version 2 of the License, or (at your option) any later version. |
10 * | 10 * |
11 * This library is distributed in the hope that it will be useful, | 11 * This library is distributed in the hope that it will be useful, |
12 * but WITHOUT ANY WARRANTY; without even the implied warranty of | 12 * but WITHOUT ANY WARRANTY; without even the implied warranty of |
13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | 13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
14 * Library General Public License for more details. | 14 * Library General Public License for more details. |
15 * | 15 * |
16 * You should have received a copy of the GNU Library General Public License | 16 * You should have received a copy of the GNU Library General Public License |
17 * along with this library; see the file COPYING.LIB. If not, write to | 17 * along with this library; see the file COPYING.LIB. If not, write to |
18 * the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, | 18 * the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, |
19 * Boston, MA 02110-1301, USA. | 19 * Boston, MA 02110-1301, USA. |
20 */ | 20 */ |
21 | 21 |
22 #include "config.h" | 22 #include "config.h" |
23 #include "core/html/HTMLImageLoader.h" | 23 #include "core/html/HTMLImageLoader.h" |
24 | 24 |
25 #include "core/HTMLNames.h" | 25 #include "core/HTMLNames.h" |
26 #include "core/dom/Element.h" | 26 #include "core/dom/Element.h" |
27 #include "core/events/Event.h" | 27 #include "core/events/Event.h" |
28 #include "core/fetch/ImageResource.h" | 28 #include "core/fetch/ImageResource.h" |
29 #include "core/html/HTMLImageElement.h" | 29 #include "core/html/HTMLImageElement.h" |
| 30 #include "core/html/HTMLInputElement.h" |
30 #include "core/html/HTMLObjectElement.h" | 31 #include "core/html/HTMLObjectElement.h" |
31 #include "core/html/parser/HTMLParserIdioms.h" | 32 #include "core/html/parser/HTMLParserIdioms.h" |
32 #include "platform/Logging.h" | 33 #include "platform/Logging.h" |
33 | 34 |
34 namespace blink { | 35 namespace blink { |
35 | 36 |
36 HTMLImageLoader::HTMLImageLoader(Element* node) | 37 using namespace HTMLNames; |
37 : ImageLoader(node) | 38 |
| 39 HTMLImageLoader::HTMLImageLoader(Element* element) |
| 40 : ImageLoader(element) |
| 41 , m_loadFallbackContentTimer(this, &HTMLImageLoader::timerFired) |
38 { | 42 { |
39 } | 43 } |
40 | 44 |
41 HTMLImageLoader::~HTMLImageLoader() | 45 HTMLImageLoader::~HTMLImageLoader() |
42 { | 46 { |
43 } | 47 } |
44 | 48 |
45 void HTMLImageLoader::dispatchLoadEvent() | 49 void HTMLImageLoader::dispatchLoadEvent() |
46 { | 50 { |
47 WTF_LOG(Timers, "HTMLImageLoader::dispatchLoadEvent %p", this); | 51 WTF_LOG(Timers, "HTMLImageLoader::dispatchLoadEvent %p", this); |
48 | 52 |
49 // HTMLVideoElement uses this class to load the poster image, but it should
not fire events for loading or failure. | 53 // HTMLVideoElement uses this class to load the poster image, but it should
not fire events for loading or failure. |
50 if (isHTMLVideoElement(*element())) | 54 if (isHTMLVideoElement(*element())) |
51 return; | 55 return; |
52 | 56 |
53 bool errorOccurred = image()->errorOccurred(); | 57 bool errorOccurred = image()->errorOccurred(); |
54 if (isHTMLObjectElement(*element()) && !errorOccurred) | 58 if (isHTMLObjectElement(*element()) && !errorOccurred) |
55 errorOccurred = (image()->response().httpStatusCode() >= 400); // An <ob
ject> considers a 404 to be an error and should fire onerror. | 59 errorOccurred = (image()->response().httpStatusCode() >= 400); // An <ob
ject> considers a 404 to be an error and should fire onerror. |
56 element()->dispatchEvent(Event::create(errorOccurred ? EventTypeNames::error
: EventTypeNames::load)); | 60 element()->dispatchEvent(Event::create(errorOccurred ? EventTypeNames::error
: EventTypeNames::load)); |
57 } | 61 } |
58 | 62 |
59 String HTMLImageLoader::sourceURI(const AtomicString& attr) const | 63 String HTMLImageLoader::sourceURI(const AtomicString& attr) const |
60 { | 64 { |
61 return stripLeadingAndTrailingHTMLSpaces(attr); | 65 return stripLeadingAndTrailingHTMLSpaces(attr); |
62 } | 66 } |
63 | 67 |
| 68 static void loadFallbackContentForElement(Element* element) |
| 69 { |
| 70 if (isHTMLImageElement(element)) |
| 71 toHTMLImageElement(element)->ensureFallbackContent(); |
| 72 else if (isHTMLInputElement(element)) |
| 73 toHTMLInputElement(element)->ensureFallbackContent(); |
| 74 } |
| 75 |
| 76 void HTMLImageLoader::noImageResourceToLoad() |
| 77 { |
| 78 // FIXME: Use fallback content even when there is no alt-text. The only bloc
ker is the large amount of rebaselining it requires. |
| 79 if (!toHTMLElement(element())->altText().isEmpty()) |
| 80 loadFallbackContentForElement(element()); |
| 81 } |
| 82 |
64 void HTMLImageLoader::notifyFinished(Resource*) | 83 void HTMLImageLoader::notifyFinished(Resource*) |
65 { | 84 { |
66 ImageResource* cachedImage = image(); | 85 ImageResource* cachedImage = image(); |
67 | |
68 RefPtrWillBeRawPtr<Element> element = this->element(); | 86 RefPtrWillBeRawPtr<Element> element = this->element(); |
69 ImageLoader::notifyFinished(cachedImage); | 87 ImageLoader::notifyFinished(cachedImage); |
70 | 88 |
71 bool loadError = cachedImage->errorOccurred() || cachedImage->response().htt
pStatusCode() >= 400; | 89 bool loadError = cachedImage->errorOccurred() || cachedImage->response().htt
pStatusCode() >= 400; |
| 90 if (isHTMLImageElement(*element)) { |
| 91 if (loadError) |
| 92 ensureFallbackContent(); |
| 93 else |
| 94 toHTMLImageElement(element)->ensurePrimaryContent(); |
| 95 } |
| 96 |
| 97 if (isHTMLInputElement(*element)) { |
| 98 if (loadError) |
| 99 ensureFallbackContent(); |
| 100 else |
| 101 toHTMLInputElement(element)->ensurePrimaryContent(); |
| 102 } |
72 | 103 |
73 if (loadError && isHTMLObjectElement(*element)) | 104 if (loadError && isHTMLObjectElement(*element)) |
74 toHTMLObjectElement(element)->renderFallbackContent(); | 105 toHTMLObjectElement(element)->renderFallbackContent(); |
75 } | 106 } |
76 | 107 |
| 108 void HTMLImageLoader::ensureFallbackContent() |
| 109 { |
| 110 if (image()->url().protocolIsData()) |
| 111 m_loadFallbackContentTimer.startOneShot(0, FROM_HERE); |
| 112 else |
| 113 loadFallbackContentForElement(element()); |
77 } | 114 } |
| 115 |
| 116 void HTMLImageLoader::timerFired(Timer<HTMLImageLoader>*) |
| 117 { |
| 118 loadFallbackContentForElement(element()); |
| 119 } |
| 120 } |
OLD | NEW |