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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 * (C) 2000 Simon Hausmann <hausmann@kde.org> | 4 * (C) 2000 Simon Hausmann <hausmann@kde.org> |
5 * Copyright (C) 2003, 2006, 2007, 2008, 2009, 2010 Apple Inc. All rights reserv ed. | 5 * Copyright (C) 2003, 2006, 2007, 2008, 2009, 2010 Apple Inc. All rights reserv ed. |
6 * (C) 2006 Graham Dennis (graham.dennis@gmail.com) | 6 * (C) 2006 Graham Dennis (graham.dennis@gmail.com) |
7 * | 7 * |
8 * This library is free software; you can redistribute it and/or | 8 * This library is free software; you can redistribute it and/or |
9 * modify it under the terms of the GNU Library General Public | 9 * modify it under the terms of the GNU Library General Public |
10 * License as published by the Free Software Foundation; either | 10 * License as published by the Free Software Foundation; either |
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28 #include "core/frame/FrameHost.h" | 28 #include "core/frame/FrameHost.h" |
29 #include "core/frame/Settings.h" | 29 #include "core/frame/Settings.h" |
30 #include "core/frame/UseCounter.h" | 30 #include "core/frame/UseCounter.h" |
31 #include "core/html/HTMLImageElement.h" | 31 #include "core/html/HTMLImageElement.h" |
32 #include "core/html/parser/HTMLParserIdioms.h" | 32 #include "core/html/parser/HTMLParserIdioms.h" |
33 #include "core/layout/LayoutBox.h" | 33 #include "core/layout/LayoutBox.h" |
34 #include "core/loader/FrameLoadRequest.h" | 34 #include "core/loader/FrameLoadRequest.h" |
35 #include "core/loader/FrameLoaderClient.h" | 35 #include "core/loader/FrameLoaderClient.h" |
36 #include "core/loader/PingLoader.h" | 36 #include "core/loader/PingLoader.h" |
37 #include "core/page/ChromeClient.h" | 37 #include "core/page/ChromeClient.h" |
38 #include "platform/RuntimeEnabledFeatures.h" | |
38 #include "platform/network/NetworkHints.h" | 39 #include "platform/network/NetworkHints.h" |
40 #include "platform/weborigin/SchemeRegistry.h" | |
39 #include "platform/weborigin/SecurityPolicy.h" | 41 #include "platform/weborigin/SecurityPolicy.h" |
42 #include "public/platform/WebNavigationHintType.h" | |
40 | 43 |
41 namespace blink { | 44 namespace blink { |
42 | 45 |
43 using namespace HTMLNames; | 46 using namespace HTMLNames; |
44 | 47 |
48 class HTMLAnchorElement::NavigationHintSender : public GarbageCollected<HTMLAnch orElement::NavigationHintSender> { | |
kinuko
2016/06/16 06:14:31
Now it looks this class seems to exist primarily f
horo
2016/06/16 07:02:14
Added "ForServiceWorkerSender".
| |
49 public: | |
50 static NavigationHintSender* create(HTMLAnchorElement* anchorElement) | |
51 { | |
52 return new NavigationHintSender(anchorElement); | |
53 } | |
54 void handleEvent(Event*); | |
55 | |
56 DECLARE_VIRTUAL_TRACE(); | |
57 | |
58 private: | |
59 explicit NavigationHintSender(HTMLAnchorElement*); | |
60 bool shouldSendNavigationHintForServiceWorker() const; | |
61 void maybeSendNavigationHintForServiceWorker(WebNavigationHintType); | |
62 | |
63 Member<HTMLAnchorElement> m_anchorElement; | |
64 }; | |
65 | |
66 void HTMLAnchorElement::NavigationHintSender::handleEvent(Event* event) | |
67 { | |
68 if (event->type() == EventTypeNames::mousedown && event->isMouseEvent() && t oMouseEvent(event)->button() == LeftButton) | |
69 maybeSendNavigationHintForServiceWorker(WebNavigationHintType::LinkMouse Down); | |
70 else if (event->type() == EventTypeNames::gesturetapunconfirmed) | |
71 maybeSendNavigationHintForServiceWorker(WebNavigationHintType::LinkTapUn confirmed); | |
72 else if (event->type() == EventTypeNames::gestureshowpress) | |
73 maybeSendNavigationHintForServiceWorker(WebNavigationHintType::LinkTapDo wn); | |
74 } | |
75 | |
76 DEFINE_TRACE(HTMLAnchorElement::NavigationHintSender) | |
77 { | |
78 visitor->trace(m_anchorElement); | |
79 } | |
80 | |
81 HTMLAnchorElement::NavigationHintSender::NavigationHintSender(HTMLAnchorElement* anchorElement) | |
82 : m_anchorElement(anchorElement) | |
83 { | |
84 } | |
85 | |
86 bool HTMLAnchorElement::NavigationHintSender::shouldSendNavigationHintForService Worker() const | |
87 { | |
88 const KURL& url = m_anchorElement->href(); | |
89 if (!SchemeRegistry::shouldTreatURLSchemeAsAllowingServiceWorkers(url.protoc ol())) | |
90 return false; | |
91 | |
92 Document& document = m_anchorElement->document(); | |
93 // If the element was detached from the frame, handleClick() doesn't cause | |
94 // the navigation. | |
95 if (!document.frame()) | |
96 return false; | |
97 | |
98 // When the user clicks a link which is to the current document with a hash, | |
99 // the network request is not fetched. So we don't need to start the Service | |
100 // Worker. | |
101 if (url.hasFragmentIdentifier() && equalIgnoringFragmentIdentifier(document. url(), url)) | |
102 return false; | |
103 | |
104 return true; | |
105 } | |
106 | |
107 void HTMLAnchorElement::NavigationHintSender::maybeSendNavigationHintForServiceW orker(WebNavigationHintType type) | |
108 { | |
109 if (!shouldSendNavigationHintForServiceWorker()) | |
110 return; | |
111 | |
112 // TODO(horo): Send the navigation hint message to the browser process. | |
113 } | |
114 | |
45 HTMLAnchorElement::HTMLAnchorElement(const QualifiedName& tagName, Document& doc ument) | 115 HTMLAnchorElement::HTMLAnchorElement(const QualifiedName& tagName, Document& doc ument) |
46 : HTMLElement(tagName, document) | 116 : HTMLElement(tagName, document) |
47 , m_linkRelations(0) | 117 , m_linkRelations(0) |
48 , m_cachedVisitedLinkHash(0) | 118 , m_cachedVisitedLinkHash(0) |
49 , m_wasFocusedByMouse(false) | 119 , m_wasFocusedByMouse(false) |
50 { | 120 { |
51 } | 121 } |
52 | 122 |
53 HTMLAnchorElement* HTMLAnchorElement::create(Document& document) | 123 HTMLAnchorElement* HTMLAnchorElement::create(Document& document) |
54 { | 124 { |
55 return new HTMLAnchorElement(aTag, document); | 125 return new HTMLAnchorElement(aTag, document); |
56 } | 126 } |
57 | 127 |
58 HTMLAnchorElement::~HTMLAnchorElement() | 128 HTMLAnchorElement::~HTMLAnchorElement() |
59 { | 129 { |
60 } | 130 } |
61 | 131 |
132 DEFINE_TRACE(HTMLAnchorElement) | |
133 { | |
134 visitor->trace(m_navigationHintsender); | |
135 HTMLElement::trace(visitor); | |
136 } | |
137 | |
62 bool HTMLAnchorElement::supportsFocus() const | 138 bool HTMLAnchorElement::supportsFocus() const |
63 { | 139 { |
64 if (hasEditableStyle()) | 140 if (hasEditableStyle()) |
65 return HTMLElement::supportsFocus(); | 141 return HTMLElement::supportsFocus(); |
66 // If not a link we should still be able to focus the element if it has tabI ndex. | 142 // If not a link we should still be able to focus the element if it has tabI ndex. |
67 return isLink() || HTMLElement::supportsFocus(); | 143 return isLink() || HTMLElement::supportsFocus(); |
68 } | 144 } |
69 | 145 |
70 bool HTMLAnchorElement::matchesEnabledPseudoClass() const | 146 bool HTMLAnchorElement::matchesEnabledPseudoClass() const |
71 { | 147 { |
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155 | 231 |
156 void HTMLAnchorElement::defaultEventHandler(Event* event) | 232 void HTMLAnchorElement::defaultEventHandler(Event* event) |
157 { | 233 { |
158 if (isLink()) { | 234 if (isLink()) { |
159 if (focused() && isEnterKeyKeydownEvent(event) && isLiveLink()) { | 235 if (focused() && isEnterKeyKeydownEvent(event) && isLiveLink()) { |
160 event->setDefaultHandled(); | 236 event->setDefaultHandled(); |
161 dispatchSimulatedClick(event); | 237 dispatchSimulatedClick(event); |
162 return; | 238 return; |
163 } | 239 } |
164 | 240 |
241 // TODO(horo): Call NavigationHintSender::handleEvent() when | |
242 // SpeculativeLaunchServiceWorker feature is enabled. | |
243 // ensureNavigationHintSender()->handleEvent(event); | |
244 | |
165 if (isLinkClick(event) && isLiveLink()) { | 245 if (isLinkClick(event) && isLiveLink()) { |
166 handleClick(event); | 246 handleClick(event); |
167 return; | 247 return; |
168 } | 248 } |
169 } | 249 } |
170 | 250 |
171 HTMLElement::defaultEventHandler(event); | 251 HTMLElement::defaultEventHandler(event); |
172 } | 252 } |
173 | 253 |
174 void HTMLAnchorElement::setActive(bool down) | 254 void HTMLAnchorElement::setActive(bool down) |
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389 return isLink(); | 469 return isLink(); |
390 } | 470 } |
391 | 471 |
392 Node::InsertionNotificationRequest HTMLAnchorElement::insertedInto(ContainerNode * insertionPoint) | 472 Node::InsertionNotificationRequest HTMLAnchorElement::insertedInto(ContainerNode * insertionPoint) |
393 { | 473 { |
394 InsertionNotificationRequest request = HTMLElement::insertedInto(insertionPo int); | 474 InsertionNotificationRequest request = HTMLElement::insertedInto(insertionPo int); |
395 logAddElementIfIsolatedWorldAndInDocument("a", hrefAttr); | 475 logAddElementIfIsolatedWorldAndInDocument("a", hrefAttr); |
396 return request; | 476 return request; |
397 } | 477 } |
398 | 478 |
479 HTMLAnchorElement::NavigationHintSender* HTMLAnchorElement::ensureNavigationHint Sender() | |
480 { | |
481 if (!m_navigationHintSender) | |
482 m_navigationHintSender = NavigationHintSender::create(this); | |
483 return m_navigationHintSender; | |
484 } | |
485 | |
399 } // namespace blink | 486 } // namespace blink |
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