| /* |
| * Copyright (C) 2012 Google Inc. All rights reserved. |
| * |
| * Redistribution and use in source and binary forms, with or without |
| * modification, are permitted provided that the following conditions are |
| * met: |
| * |
| * * Redistributions of source code must retain the above copyright |
| * notice, this list of conditions and the following disclaimer. |
| * * Neither the name of Google Inc. nor the names of its |
| * contributors may be used to endorse or promote products derived from |
| * this software without specific prior written permission. |
| * |
| * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS |
| * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT |
| * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR |
| * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT |
| * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, |
| * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT |
| * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
| * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
| * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
| * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE |
| * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
| */ |
| |
| #include "third_party/blink/renderer/core/dom/context_features.h" |
| |
| #include <memory> |
| #include "third_party/blink/renderer/core/dom/document.h" |
| #include "third_party/blink/renderer/core/page/page.h" |
| #include "third_party/blink/renderer/platform/wtf/std_lib_extras.h" |
| |
| namespace blink { |
| |
| std::unique_ptr<ContextFeaturesClient> ContextFeaturesClient::Empty() { |
| return std::make_unique<ContextFeaturesClient>(); |
| } |
| |
| const char ContextFeatures::kSupplementName[] = "ContextFeatures"; |
| |
| ContextFeatures& ContextFeatures::DefaultSwitch() { |
| DEFINE_STATIC_LOCAL( |
| Persistent<ContextFeatures>, instance, |
| (MakeGarbageCollected<ContextFeatures>(ContextFeaturesClient::Empty()))); |
| return *instance; |
| } |
| |
| bool ContextFeatures::PagePopupEnabled(Document* document) { |
| if (!document) |
| return false; |
| return document->GetContextFeatures().IsEnabled(document, kPagePopup, false); |
| } |
| |
| bool ContextFeatures::MutationEventsEnabled(Document* document) { |
| DCHECK(document); |
| if (!document) |
| return true; |
| return document->GetContextFeatures().IsEnabled(document, kMutationEvents, |
| true); |
| } |
| |
| void ProvideContextFeaturesTo(Page& page, |
| std::unique_ptr<ContextFeaturesClient> client) { |
| Supplement<Page>::ProvideTo( |
| page, MakeGarbageCollected<ContextFeatures>(std::move(client))); |
| } |
| |
| void ProvideContextFeaturesToDocumentFrom(Document& document, Page& page) { |
| ContextFeatures* provided = Supplement<Page>::From<ContextFeatures>(page); |
| if (!provided) |
| return; |
| document.SetContextFeatures(*provided); |
| } |
| |
| } // namespace blink |