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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 "config.h"
#include "ContextFeatures.h"
#include "Document.h"
#include "Page.h"
#include "RuntimeEnabledFeatures.h"
namespace WebCore {
ContextFeaturesClient* ContextFeaturesClient::empty()
{
DEFINE_STATIC_LOCAL(ContextFeaturesClient, empty, ());
return ∅
}
const char* ContextFeatures::supplementName()
{
return "ContextFeatures";
}
ContextFeatures* ContextFeatures::defaultSwitch()
{
DEFINE_STATIC_LOCAL(RefPtr<ContextFeatures>, instance, (ContextFeatures::create(ContextFeaturesClient::empty())));
return instance.get();
}
bool ContextFeatures::dialogElementEnabled(Document* document)
{
#if ENABLE(DIALOG_ELEMENT)
if (!document)
return RuntimeEnabledFeatures::dialogElementEnabled();
return document->contextFeatures()->isEnabled(document, DialogElement, RuntimeEnabledFeatures::dialogElementEnabled());
#else
UNUSED_PARAM(document);
return false;
#endif
}
bool ContextFeatures::styleScopedEnabled(Document* document)
{
#if ENABLE(STYLE_SCOPED)
if (!document)
return RuntimeEnabledFeatures::styleScopedEnabled();
return document->contextFeatures()->isEnabled(document, StyleScoped, RuntimeEnabledFeatures::styleScopedEnabled());
#else
UNUSED_PARAM(document);
return false;
#endif
}
bool ContextFeatures::htmlNotificationsEnabled(Document* document)
{
#if ENABLE(LEGACY_NOTIFICATIONS)
if (!document)
return false;
return document->contextFeatures()->isEnabled(document, HTMLNotifications, false);
#else
UNUSED_PARAM(document);
return false;
#endif
}
bool ContextFeatures::mutationEventsEnabled(Document* document)
{
ASSERT(document);
if (!document)
return true;
return document->contextFeatures()->isEnabled(document, MutationEvents, true);
}
bool ContextFeatures::pushStateEnabled(Document* document)
{
return document->contextFeatures()->isEnabled(document, PushState, true);
}
void provideContextFeaturesTo(Page* page, ContextFeaturesClient* client)
{
RefCountedSupplement<Page, ContextFeatures>::provideTo(page, ContextFeatures::supplementName(), ContextFeatures::create(client));
}
void provideContextFeaturesToDocumentFrom(Document* document, Page* page)
{
ContextFeatures* provided = static_cast<ContextFeatures*>(RefCountedSupplement<Page, ContextFeatures>::from(page, ContextFeatures::supplementName()));
if (!provided)
return;
document->setContextFeatures(provided);
}
}
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