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| 1 /* | |
| 2 * Copyright (C) 2012 Google Inc. All rights reserved. | |
| 3 * | |
| 4 * Redistribution and use in source and binary forms, with or without | |
| 5 * modification, are permitted provided that the following conditions are | |
| 6 * met: | |
| 7 * | |
| 8 * * Redistributions of source code must retain the above copyright | |
| 9 * notice, this list of conditions and the following disclaimer. | |
| 10 * * Redistributions in binary form must reproduce the above | |
| 11 * copyright notice, this list of conditions and the following disclaimer | |
| 12 * in the documentation and/or other materials provided with the | |
| 13 * distribution. | |
| 14 * * Neither the name of Google Inc. nor the names of its | |
| 15 * contributors may be used to endorse or promote products derived from | |
| 16 * this software without specific prior written permission. | |
| 17 * | |
| 18 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS | |
| 19 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT | |
| 20 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR | |
| 21 * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT | |
| 22 * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, | |
| 23 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT | |
| 24 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, | |
| 25 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY | |
| 26 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT | |
| 27 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE | |
| 28 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. | |
| 29 */ | |
| 30 | |
| 31 #include "config.h" | |
| 32 #include "core/html/shadow/HTMLShadowElement.h" | |
| 33 | |
| 34 #include "HTMLNames.h" | |
| 35 #include "core/dom/shadow/ShadowRoot.h" | |
| 36 | |
| 37 namespace WebCore { | |
| 38 | |
| 39 class Document; | |
| 40 | |
| 41 inline HTMLShadowElement::HTMLShadowElement(Document& document) | |
| 42 : InsertionPoint(HTMLNames::shadowTag, document) | |
| 43 { | |
| 44 ScriptWrappable::init(this); | |
| 45 } | |
| 46 | |
| 47 PassRefPtr<HTMLShadowElement> HTMLShadowElement::create(Document& document) | |
| 48 { | |
| 49 return adoptRef(new HTMLShadowElement(document)); | |
| 50 } | |
| 51 | |
| 52 HTMLShadowElement::~HTMLShadowElement() | |
| 53 { | |
| 54 } | |
| 55 | |
| 56 ShadowRoot* HTMLShadowElement::olderShadowRoot() | |
| 57 { | |
| 58 ShadowRoot* containingRoot = containingShadowRoot(); | |
| 59 if (!containingRoot) | |
| 60 return 0; | |
| 61 | |
| 62 document().updateDistributionForNodeIfNeeded(this); | |
| 63 | |
| 64 ShadowRoot* older = containingRoot->olderShadowRoot(); | |
| 65 if (!older || !older->shouldExposeToBindings() || older->shadowInsertionPoin
tOfYoungerShadowRoot() != this) | |
| 66 return 0; | |
| 67 | |
| 68 ASSERT(older->shouldExposeToBindings()); | |
| 69 return older; | |
| 70 } | |
| 71 | |
| 72 Node::InsertionNotificationRequest HTMLShadowElement::insertedInto(ContainerNode
* insertionPoint) | |
| 73 { | |
| 74 if (insertionPoint->inDocument()) { | |
| 75 // Warn if trying to reproject between user agent and author shadows. | |
| 76 ShadowRoot* root = containingShadowRoot(); | |
| 77 if (root && root->olderShadowRoot() && root->type() != root->olderShadow
Root()->type()) { | |
| 78 String message = String::format("<shadow> doesn't work for %s elemen
t host.", root->host()->tagName().utf8().data()); | |
| 79 document().addConsoleMessage(RenderingMessageSource, WarningMessageL
evel, message); | |
| 80 } | |
| 81 } | |
| 82 return InsertionPoint::insertedInto(insertionPoint); | |
| 83 } | |
| 84 | |
| 85 } // namespace WebCore | |
| 86 | |
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Chromium Code Reviews
Issue 183893019:
Move HTMLContentElement & HTMLShadowElement out of shadow/ (Closed)
Base URL: https://chromium.googlesource.com/chromium/blink.git@master