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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" |
39 #include "platform/weborigin/SecurityPolicy.h" | 40 #include "platform/weborigin/SecurityPolicy.h" |
41 #include "public/platform/WebNavigationHintType.h" | |
40 | 42 |
41 namespace blink { | 43 namespace blink { |
42 | 44 |
43 using namespace HTMLNames; | 45 using namespace HTMLNames; |
44 | 46 |
47 class HTMLAnchorElement::NavigationHintSender : public GarbageCollected<HTMLAnch orElement::NavigationHintSender> { | |
48 public: | |
49 static NavigationHintSender* create(HTMLAnchorElement* anchorElement) | |
50 { | |
51 return new NavigationHintSender(anchorElement); | |
52 } | |
53 void handleEvent(Event*); | |
54 | |
55 DECLARE_VIRTUAL_TRACE(); | |
56 | |
57 private: | |
58 explicit NavigationHintSender(HTMLAnchorElement*); | |
59 bool shouldSendNavigationHint() const; | |
60 void maybeSendNavigationHint(WebNavigationHintType); | |
61 | |
62 Member<HTMLAnchorElement> m_anchorElement; | |
63 }; | |
64 | |
65 void HTMLAnchorElement::NavigationHintSender::handleEvent(Event* event) | |
66 { | |
67 if (event->type() == EventTypeNames::mousedown && event->isMouseEvent() && t oMouseEvent(event)->button() == LeftButton) | |
68 maybeSendNavigationHint(WebNavigationHintType::LinkMouseDown); | |
69 else if (event->type() == EventTypeNames::gesturetapunconfirmed) | |
70 maybeSendNavigationHint(WebNavigationHintType::LinkTapUnconfirmed); | |
71 else if (event->type() == EventTypeNames::gestureshowpress) | |
72 maybeSendNavigationHint(WebNavigationHintType::LinkTapDown); | |
73 } | |
74 | |
75 DEFINE_TRACE(HTMLAnchorElement::NavigationHintSender) | |
76 { | |
77 visitor->trace(m_anchorElement); | |
78 } | |
79 | |
80 HTMLAnchorElement::NavigationHintSender::NavigationHintSender(HTMLAnchorElement* anchorElement) | |
81 : m_anchorElement(anchorElement) | |
82 { | |
83 } | |
84 | |
85 bool HTMLAnchorElement::NavigationHintSender::shouldSendNavigationHint() const | |
86 { | |
87 const KURL& url = m_anchorElement->href(); | |
88 if (!url.protocolIsInHTTPFamily()) | |
falken
2016/06/09 13:24:16
Why is it restricted to HTTP? Is this because the
horo
2016/06/14 11:03:14
Done.
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89 return false; | |
90 Document& document = m_anchorElement->document(); | |
91 if (!document.frame()) | |
92 return false; | |
93 if (!document.getSecurityOrigin()->canDisplay(url)) | |
94 return false; | |
95 if (url.hasFragmentIdentifier() && equalIgnoringFragmentIdentifier(document. url(), url)) | |
falken
2016/06/09 13:24:16
Is this avoiding the hint if the link is to curren
horo
2016/06/14 11:03:14
When the user clicks a link which is to the curren
| |
96 return false; | |
97 | |
98 // If the opener is to be suppressed and the target frame name is set, | |
99 // WebContentsImpl::CreateNewWindow() will create a new process when the | |
100 // user click the anchor element. In such case we shouldn't start the | |
101 // Service Worker not to keep the current process running. | |
falken
2016/06/09 13:24:16
Ah yes this code is pretty SW-specific but the nam
| |
102 const bool openerSuppressed = m_anchorElement->hasRel(RelationNoReferrer) || m_anchorElement->hasRel(RelationNoOpener); | |
103 if (openerSuppressed && !m_anchorElement->getAttribute(targetAttr).isEmpty() ) | |
104 return false; | |
105 return true; | |
106 } | |
107 | |
108 void HTMLAnchorElement::NavigationHintSender::maybeSendNavigationHint(WebNavigat ionHintType type) | |
109 { | |
110 if (!shouldSendNavigationHint()) | |
111 return; | |
112 | |
113 // TODO(horo): Send the navigation hint message to the browser process. | |
114 } | |
115 | |
45 HTMLAnchorElement::HTMLAnchorElement(const QualifiedName& tagName, Document& doc ument) | 116 HTMLAnchorElement::HTMLAnchorElement(const QualifiedName& tagName, Document& doc ument) |
46 : HTMLElement(tagName, document) | 117 : HTMLElement(tagName, document) |
47 , m_linkRelations(0) | 118 , m_linkRelations(0) |
48 , m_cachedVisitedLinkHash(0) | 119 , m_cachedVisitedLinkHash(0) |
49 , m_wasFocusedByMouse(false) | 120 , m_wasFocusedByMouse(false) |
50 { | 121 { |
51 } | 122 } |
52 | 123 |
53 HTMLAnchorElement* HTMLAnchorElement::create(Document& document) | 124 HTMLAnchorElement* HTMLAnchorElement::create(Document& document) |
54 { | 125 { |
55 return new HTMLAnchorElement(aTag, document); | 126 return new HTMLAnchorElement(aTag, document); |
56 } | 127 } |
57 | 128 |
58 HTMLAnchorElement::~HTMLAnchorElement() | 129 HTMLAnchorElement::~HTMLAnchorElement() |
59 { | 130 { |
60 } | 131 } |
61 | 132 |
133 DEFINE_TRACE(HTMLAnchorElement) | |
134 { | |
135 visitor->trace(m_navigationHintsender); | |
136 HTMLElement::trace(visitor); | |
137 } | |
138 | |
62 bool HTMLAnchorElement::supportsFocus() const | 139 bool HTMLAnchorElement::supportsFocus() const |
63 { | 140 { |
64 if (hasEditableStyle()) | 141 if (hasEditableStyle()) |
65 return HTMLElement::supportsFocus(); | 142 return HTMLElement::supportsFocus(); |
66 // If not a link we should still be able to focus the element if it has tabI ndex. | 143 // If not a link we should still be able to focus the element if it has tabI ndex. |
67 return isLink() || HTMLElement::supportsFocus(); | 144 return isLink() || HTMLElement::supportsFocus(); |
68 } | 145 } |
69 | 146 |
70 bool HTMLAnchorElement::matchesEnabledPseudoClass() const | 147 bool HTMLAnchorElement::matchesEnabledPseudoClass() const |
71 { | 148 { |
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155 | 232 |
156 void HTMLAnchorElement::defaultEventHandler(Event* event) | 233 void HTMLAnchorElement::defaultEventHandler(Event* event) |
157 { | 234 { |
158 if (isLink()) { | 235 if (isLink()) { |
159 if (focused() && isEnterKeyKeydownEvent(event) && isLiveLink()) { | 236 if (focused() && isEnterKeyKeydownEvent(event) && isLiveLink()) { |
160 event->setDefaultHandled(); | 237 event->setDefaultHandled(); |
161 dispatchSimulatedClick(event); | 238 dispatchSimulatedClick(event); |
162 return; | 239 return; |
163 } | 240 } |
164 | 241 |
242 // TODO(horo): Call NavigationHintSender::handleEvent() when | |
243 // SpeculativeLaunchServiceWorker feature is enabled. | |
244 // ensureNavigationHintSender()->handleEvent(event); | |
245 | |
165 if (isLinkClick(event) && isLiveLink()) { | 246 if (isLinkClick(event) && isLiveLink()) { |
166 handleClick(event); | 247 handleClick(event); |
167 return; | 248 return; |
168 } | 249 } |
169 } | 250 } |
170 | 251 |
171 HTMLElement::defaultEventHandler(event); | 252 HTMLElement::defaultEventHandler(event); |
172 } | 253 } |
173 | 254 |
174 void HTMLAnchorElement::setActive(bool down) | 255 void HTMLAnchorElement::setActive(bool down) |
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389 return isLink(); | 470 return isLink(); |
390 } | 471 } |
391 | 472 |
392 Node::InsertionNotificationRequest HTMLAnchorElement::insertedInto(ContainerNode * insertionPoint) | 473 Node::InsertionNotificationRequest HTMLAnchorElement::insertedInto(ContainerNode * insertionPoint) |
393 { | 474 { |
394 InsertionNotificationRequest request = HTMLElement::insertedInto(insertionPo int); | 475 InsertionNotificationRequest request = HTMLElement::insertedInto(insertionPo int); |
395 logAddElementIfIsolatedWorldAndInDocument("a", hrefAttr); | 476 logAddElementIfIsolatedWorldAndInDocument("a", hrefAttr); |
396 return request; | 477 return request; |
397 } | 478 } |
398 | 479 |
480 HTMLAnchorElement::NavigationHintSender* HTMLAnchorElement::ensureNavigationHint Sender() | |
481 { | |
482 if (!m_navigationHintsender) | |
483 m_navigationHintsender = NavigationHintSender::create(this); | |
484 return m_navigationHintsender; | |
485 } | |
486 | |
399 } // namespace blink | 487 } // namespace blink |
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