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/*
* 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(
ContextFeatures, instance,
(ContextFeatures::Create(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, ContextFeatures::Create(std::move(client)));
}
void ProvideContextFeaturesToDocumentFrom(Document& document, Page& page) {
ContextFeatures* provided = Supplement<Page>::From<ContextFeatures>(page);
if (!provided)
return;
document.SetContextFeatures(*provided);
}
} // namespace blink
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