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1 /* | 1 /* |
2 * Copyright (C) 2004, 2005, 2006, 2007, 2008, 2009, 2010, 2011 Apple Inc. All r
ights reserved. | 2 * Copyright (C) 2004, 2005, 2006, 2007, 2008, 2009, 2010, 2011 Apple Inc. All r
ights reserved. |
3 * Copyright (C) 2010 Google Inc. All rights reserved. | 3 * Copyright (C) 2010 Google Inc. All rights reserved. |
4 * Copyright (C) 2012 Samsung Electronics. All rights reserved. | 4 * Copyright (C) 2012 Samsung Electronics. 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 | 22 |
23 #include "config.h" | 23 #include "config.h" |
24 #include "core/html/forms/ImageInputType.h" | 24 #include "core/html/forms/ImageInputType.h" |
25 | 25 |
26 #include "core/HTMLNames.h" | 26 #include "core/HTMLNames.h" |
27 #include "core/InputTypeNames.h" | 27 #include "core/InputTypeNames.h" |
| 28 #include "core/dom/shadow/ShadowRoot.h" |
28 #include "core/events/MouseEvent.h" | 29 #include "core/events/MouseEvent.h" |
29 #include "core/fetch/ImageResource.h" | 30 #include "core/fetch/ImageResource.h" |
30 #include "core/html/FormDataList.h" | 31 #include "core/html/FormDataList.h" |
31 #include "core/html/HTMLFormElement.h" | 32 #include "core/html/HTMLFormElement.h" |
| 33 #include "core/html/HTMLImageFallbackHelper.h" |
32 #include "core/html/HTMLImageLoader.h" | 34 #include "core/html/HTMLImageLoader.h" |
33 #include "core/html/HTMLInputElement.h" | 35 #include "core/html/HTMLInputElement.h" |
34 #include "core/html/parser/HTMLParserIdioms.h" | 36 #include "core/html/parser/HTMLParserIdioms.h" |
| 37 #include "core/rendering/RenderBlockFlow.h" |
35 #include "core/rendering/RenderImage.h" | 38 #include "core/rendering/RenderImage.h" |
36 #include "wtf/PassOwnPtr.h" | 39 #include "wtf/PassOwnPtr.h" |
37 #include "wtf/text/StringBuilder.h" | 40 #include "wtf/text/StringBuilder.h" |
38 | 41 |
39 namespace blink { | 42 namespace blink { |
40 | 43 |
41 using namespace HTMLNames; | 44 using namespace HTMLNames; |
42 | 45 |
43 inline ImageInputType::ImageInputType(HTMLInputElement& element) | 46 inline ImageInputType::ImageInputType(HTMLInputElement& element) |
44 : BaseButtonInputType(element) | 47 : BaseButtonInputType(element) |
| 48 , m_useFallbackContent(false) |
45 { | 49 { |
46 } | 50 } |
47 | 51 |
48 PassRefPtrWillBeRawPtr<InputType> ImageInputType::create(HTMLInputElement& eleme
nt) | 52 PassRefPtrWillBeRawPtr<InputType> ImageInputType::create(HTMLInputElement& eleme
nt) |
49 { | 53 { |
50 return adoptRefWillBeNoop(new ImageInputType(element)); | 54 return adoptRefWillBeNoop(new ImageInputType(element)); |
51 } | 55 } |
52 | 56 |
53 const AtomicString& ImageInputType::formControlType() const | 57 const AtomicString& ImageInputType::formControlType() const |
54 { | 58 { |
(...skipping 55 matching lines...) Expand 10 before | Expand all | Expand 10 after Loading... |
110 RefPtrWillBeRawPtr<HTMLInputElement> element(this->element()); | 114 RefPtrWillBeRawPtr<HTMLInputElement> element(this->element()); |
111 if (element->isDisabledFormControl() || !element->form()) | 115 if (element->isDisabledFormControl() || !element->form()) |
112 return; | 116 return; |
113 element->setActivatedSubmit(true); | 117 element->setActivatedSubmit(true); |
114 m_clickLocation = extractClickLocation(event); | 118 m_clickLocation = extractClickLocation(event); |
115 element->form()->prepareForSubmission(event); // Event handlers can run. | 119 element->form()->prepareForSubmission(event); // Event handlers can run. |
116 element->setActivatedSubmit(false); | 120 element->setActivatedSubmit(false); |
117 event->setDefaultHandled(); | 121 event->setDefaultHandled(); |
118 } | 122 } |
119 | 123 |
120 RenderObject* ImageInputType::createRenderer(RenderStyle*) const | 124 RenderObject* ImageInputType::createRenderer(RenderStyle* style) const |
121 { | 125 { |
| 126 if (m_useFallbackContent) |
| 127 return new RenderBlockFlow(&element()); |
122 RenderImage* image = new RenderImage(&element()); | 128 RenderImage* image = new RenderImage(&element()); |
123 image->setImageResource(RenderImageResource::create()); | 129 image->setImageResource(RenderImageResource::create()); |
124 return image; | 130 return image; |
125 } | 131 } |
126 | 132 |
127 void ImageInputType::altAttributeChanged() | 133 void ImageInputType::altAttributeChanged() |
128 { | 134 { |
129 RenderImage* image = toRenderImage(element().renderer()); | 135 if (element().userAgentShadowRoot()) { |
130 if (!image) | 136 Element* text = element().userAgentShadowRoot()->getElementById("alttext
"); |
131 return; | 137 String value = element().altText(); |
132 image->updateAltText(); | 138 if (text && text->textContent() != value) |
| 139 text->setTextContent(element().altText()); |
| 140 } |
133 } | 141 } |
134 | 142 |
135 void ImageInputType::srcAttributeChanged() | 143 void ImageInputType::srcAttributeChanged() |
136 { | 144 { |
137 if (!element().renderer()) | 145 if (!element().renderer()) |
138 return; | 146 return; |
139 element().ensureImageLoader().updateFromElement(ImageLoader::UpdateIgnorePre
viousError); | 147 element().ensureImageLoader().updateFromElement(ImageLoader::UpdateIgnorePre
viousError); |
140 } | 148 } |
141 | 149 |
| 150 void ImageInputType::valueAttributeChanged() |
| 151 { |
| 152 if (m_useFallbackContent) |
| 153 return; |
| 154 BaseButtonInputType::valueAttributeChanged(); |
| 155 } |
| 156 |
142 void ImageInputType::startResourceLoading() | 157 void ImageInputType::startResourceLoading() |
143 { | 158 { |
144 BaseButtonInputType::startResourceLoading(); | 159 BaseButtonInputType::startResourceLoading(); |
145 | 160 |
146 HTMLImageLoader& imageLoader = element().ensureImageLoader(); | 161 HTMLImageLoader& imageLoader = element().ensureImageLoader(); |
147 imageLoader.updateFromElement(); | 162 imageLoader.updateFromElement(); |
148 | 163 |
149 RenderImage* renderer = toRenderImage(element().renderer()); | 164 RenderObject* renderer = element().renderer(); |
150 if (!renderer) | 165 if (!renderer || !renderer->isRenderImage()) |
151 return; | 166 return; |
152 | 167 |
153 RenderImageResource* imageResource = renderer->imageResource(); | 168 RenderImageResource* imageResource = toRenderImage(renderer)->imageResource(
); |
154 imageResource->setImageResource(imageLoader.image()); | 169 imageResource->setImageResource(imageLoader.image()); |
155 | |
156 // If we have no image at all because we have no src attribute, set | |
157 // image height and width for the alt text instead. | |
158 if (!imageLoader.image() && !imageResource->cachedImage()) | |
159 renderer->setImageSizeForAltText(); | |
160 } | 170 } |
161 | 171 |
162 bool ImageInputType::shouldRespectAlignAttribute() | 172 bool ImageInputType::shouldRespectAlignAttribute() |
163 { | 173 { |
164 return true; | 174 return true; |
165 } | 175 } |
166 | 176 |
167 bool ImageInputType::canBeSuccessfulSubmitButton() | 177 bool ImageInputType::canBeSuccessfulSubmitButton() |
168 { | 178 { |
169 return true; | 179 return true; |
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226 bool ImageInputType::hasLegalLinkAttribute(const QualifiedName& name) const | 236 bool ImageInputType::hasLegalLinkAttribute(const QualifiedName& name) const |
227 { | 237 { |
228 return name == srcAttr || BaseButtonInputType::hasLegalLinkAttribute(name); | 238 return name == srcAttr || BaseButtonInputType::hasLegalLinkAttribute(name); |
229 } | 239 } |
230 | 240 |
231 const QualifiedName& ImageInputType::subResourceAttributeName() const | 241 const QualifiedName& ImageInputType::subResourceAttributeName() const |
232 { | 242 { |
233 return srcAttr; | 243 return srcAttr; |
234 } | 244 } |
235 | 245 |
| 246 void ImageInputType::ensureFallbackContent() |
| 247 { |
| 248 if (m_useFallbackContent) |
| 249 return; |
| 250 setUseFallbackContent(); |
| 251 reattachFallbackContent(); |
| 252 } |
| 253 |
| 254 void ImageInputType::setUseFallbackContent() |
| 255 { |
| 256 if (m_useFallbackContent) |
| 257 return; |
| 258 m_useFallbackContent = true; |
| 259 if (element().document().inStyleRecalc()) |
| 260 return; |
| 261 if (ShadowRoot* root = element().userAgentShadowRoot()) |
| 262 root->removeChildren(); |
| 263 createShadowSubtree(); |
| 264 } |
| 265 |
| 266 void ImageInputType::ensurePrimaryContent() |
| 267 { |
| 268 if (!m_useFallbackContent) |
| 269 return; |
| 270 m_useFallbackContent = false; |
| 271 reattachFallbackContent(); |
| 272 } |
| 273 |
| 274 void ImageInputType::reattachFallbackContent() |
| 275 { |
| 276 // This can happen inside of attach() in the middle of a recalcStyle so we n
eed to |
| 277 // reattach synchronously here. |
| 278 if (element().document().inStyleRecalc()) |
| 279 element().reattach(); |
| 280 else |
| 281 element().lazyReattachIfAttached(); |
| 282 } |
| 283 |
| 284 void ImageInputType::createShadowSubtree() |
| 285 { |
| 286 if (!m_useFallbackContent) { |
| 287 BaseButtonInputType::createShadowSubtree(); |
| 288 return; |
| 289 } |
| 290 HTMLImageFallbackHelper::createAltTextShadowTree(element()); |
| 291 } |
| 292 |
| 293 PassRefPtr<RenderStyle> ImageInputType::customStyleForRenderer(PassRefPtr<Render
Style> newStyle) |
| 294 { |
| 295 if (!m_useFallbackContent) |
| 296 return newStyle; |
| 297 |
| 298 return HTMLImageFallbackHelper::customStyleForAltText(element(), newStyle); |
| 299 } |
| 300 |
236 } // namespace blink | 301 } // namespace blink |
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