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/*
* Copyright (C) 2015 Apple 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:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY APPLE INC. AND ITS 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 APPLE INC. OR ITS 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 "WebMediaSessionFocusManager.h"
#if ENABLE(MEDIA_SESSION)
#include "WebProcessPool.h"
namespace WebKit {
const char* WebMediaSessionFocusManager::supplementName()
{
return "WebMediaSessionFocusManager";
}
PassRefPtr<WebMediaSessionFocusManager> WebMediaSessionFocusManager::create(WebProcessPool* processPool)
{
return adoptRef(new WebMediaSessionFocusManager(processPool));
}
WebMediaSessionFocusManager::WebMediaSessionFocusManager(WebProcessPool* processPool)
: WebContextSupplement(processPool) { }
// WebContextSupplement
void WebMediaSessionFocusManager::refWebContextSupplement()
{
API::Object::ref();
}
void WebMediaSessionFocusManager::derefWebContextSupplement()
{
API::Object::deref();
}
void WebMediaSessionFocusManager::initializeClient(const WKMediaSessionFocusManagerClientBase* client)
{
m_client.initialize(client);
}
bool WebMediaSessionFocusManager::valueForPlaybackAttribute(WKMediaSessionFocusManagerPlaybackAttribute attribute) const
{
if (!m_focusedMediaElement)
return false;
return m_playbackAttributes & attribute;
}
void WebMediaSessionFocusManager::updatePlaybackAttribute(WKMediaSessionFocusManagerPlaybackAttribute attribute, bool value)
{
if (value)
m_playbackAttributes |= attribute;
else
m_playbackAttributes &= ~attribute;
m_client.didChangePlaybackAttribute(this, attribute, value);
}
void WebMediaSessionFocusManager::setVolumeOfFocusedMediaElement(double volume)
{
if (!m_focusedMediaElement)
return;
if (WebPageProxy* proxy = m_focusedMediaElement->first)
proxy->setVolumeOfMediaElement(volume, m_focusedMediaElement->second);
}
void WebMediaSessionFocusManager::updatePlaybackAttributesFromMediaState(WebPageProxy* proxy, uint64_t elementID, WebCore::MediaProducer::MediaStateFlags flags)
{
if (m_focusedMediaElement) {
if (proxy == m_focusedMediaElement->first && elementID == m_focusedMediaElement->second) {
updatePlaybackAttribute(IsPlaying, flags & WebCore::MediaProducer::IsSourceElementPlaying);
updatePlaybackAttribute(IsNextTrackControlEnabled, flags & WebCore::MediaProducer::IsNextTrackControlEnabled);
updatePlaybackAttribute(IsPreviousTrackControlEnabled, flags & WebCore::MediaProducer::IsPreviousTrackControlEnabled);
}
}
}
void WebMediaSessionFocusManager::setFocusedMediaElement(WebPageProxy& proxy, uint64_t elementID)
{
m_focusedMediaElement = std::make_unique<FocusedMediaElement>(&proxy, elementID);
}
void WebMediaSessionFocusManager::clearFocusedMediaElement()
{
m_focusedMediaElement = nullptr;
}
} // namespace WebKit
#endif // ENABLE(MEDIA_SESSION)
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