Torne (Richard Coles) | 53e740f | 2013-05-09 18:38:43 +0100 | [diff] [blame] | 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 | * * Neither the name of Google Inc. nor the names of its |
| 11 | * contributors may be used to endorse or promote products derived from |
| 12 | * this software without specific prior written permission. |
| 13 | * |
| 14 | * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS |
| 15 | * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT |
| 16 | * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR |
| 17 | * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT |
| 18 | * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, |
| 19 | * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT |
| 20 | * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
| 21 | * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
| 22 | * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
| 23 | * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE |
| 24 | * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
| 25 | */ |
| 26 | |
| 27 | #include "config.h" |
| 28 | #include "core/dom/ContextFeatures.h" |
| 29 | |
| 30 | #include "core/dom/Document.h" |
| 31 | #include "core/page/Page.h" |
| 32 | #include "RuntimeEnabledFeatures.h" |
| 33 | |
| 34 | namespace WebCore { |
| 35 | |
| 36 | ContextFeaturesClient* ContextFeaturesClient::empty() |
| 37 | { |
| 38 | DEFINE_STATIC_LOCAL(ContextFeaturesClient, empty, ()); |
| 39 | return ∅ |
| 40 | } |
| 41 | |
| 42 | const char* ContextFeatures::supplementName() |
| 43 | { |
| 44 | return "ContextFeatures"; |
| 45 | } |
| 46 | |
| 47 | ContextFeatures* ContextFeatures::defaultSwitch() |
| 48 | { |
| 49 | DEFINE_STATIC_LOCAL(RefPtr<ContextFeatures>, instance, (ContextFeatures::create(ContextFeaturesClient::empty()))); |
| 50 | return instance.get(); |
| 51 | } |
| 52 | |
| 53 | bool ContextFeatures::dialogElementEnabled(Document* document) |
| 54 | { |
| 55 | if (!document) |
| 56 | return RuntimeEnabledFeatures::dialogElementEnabled(); |
| 57 | return document->contextFeatures()->isEnabled(document, DialogElement, RuntimeEnabledFeatures::dialogElementEnabled()); |
| 58 | } |
| 59 | |
| 60 | bool ContextFeatures::styleScopedEnabled(Document* document) |
| 61 | { |
| 62 | if (!document) |
| 63 | return RuntimeEnabledFeatures::styleScopedEnabled(); |
| 64 | return document->contextFeatures()->isEnabled(document, StyleScoped, RuntimeEnabledFeatures::styleScopedEnabled()); |
| 65 | } |
| 66 | |
| 67 | bool ContextFeatures::pagePopupEnabled(Document* document) |
| 68 | { |
Torne (Richard Coles) | 53e740f | 2013-05-09 18:38:43 +0100 | [diff] [blame] | 69 | if (!document) |
| 70 | return false; |
| 71 | return document->contextFeatures()->isEnabled(document, PagePopup, false); |
Torne (Richard Coles) | 53e740f | 2013-05-09 18:38:43 +0100 | [diff] [blame] | 72 | } |
| 73 | |
Torne (Richard Coles) | 53e740f | 2013-05-09 18:38:43 +0100 | [diff] [blame] | 74 | bool ContextFeatures::mutationEventsEnabled(Document* document) |
| 75 | { |
| 76 | ASSERT(document); |
| 77 | if (!document) |
| 78 | return true; |
| 79 | return document->contextFeatures()->isEnabled(document, MutationEvents, true); |
| 80 | } |
| 81 | |
| 82 | bool ContextFeatures::pushStateEnabled(Document* document) |
| 83 | { |
| 84 | return document->contextFeatures()->isEnabled(document, PushState, true); |
| 85 | } |
| 86 | |
| 87 | void provideContextFeaturesTo(Page* page, ContextFeaturesClient* client) |
| 88 | { |
| 89 | RefCountedSupplement<Page, ContextFeatures>::provideTo(page, ContextFeatures::supplementName(), ContextFeatures::create(client)); |
| 90 | } |
| 91 | |
| 92 | void provideContextFeaturesToDocumentFrom(Document* document, Page* page) |
| 93 | { |
| 94 | ContextFeatures* provided = static_cast<ContextFeatures*>(RefCountedSupplement<Page, ContextFeatures>::from(page, ContextFeatures::supplementName())); |
| 95 | if (!provided) |
| 96 | return; |
| 97 | document->setContextFeatures(provided); |
| 98 | } |
| 99 | |
| 100 | } |