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/*
* Copyright (C) 2013 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.
* * 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.
* * 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 "modules/device_orientation/DeviceOrientationDispatcher.h"
#include "modules/device_orientation/DeviceOrientationController.h"
#include "modules/device_orientation/DeviceOrientationData.h"
#include "public/platform/Platform.h"
namespace blink {
DeviceOrientationDispatcher& DeviceOrientationDispatcher::instance(
bool absolute) {
if (absolute) {
DEFINE_STATIC_LOCAL(DeviceOrientationDispatcher,
deviceOrientationAbsoluteDispatcher,
(new DeviceOrientationDispatcher(absolute)));
return deviceOrientationAbsoluteDispatcher;
}
DEFINE_STATIC_LOCAL(DeviceOrientationDispatcher, deviceOrientationDispatcher,
(new DeviceOrientationDispatcher(absolute)));
return deviceOrientationDispatcher;
}
DeviceOrientationDispatcher::DeviceOrientationDispatcher(bool absolute)
: m_absolute(absolute) {}
DeviceOrientationDispatcher::~DeviceOrientationDispatcher() {}
DEFINE_TRACE(DeviceOrientationDispatcher) {
visitor->trace(m_lastDeviceOrientationData);
PlatformEventDispatcher::trace(visitor);
}
void DeviceOrientationDispatcher::startListening() {
Platform::current()->startListening(getWebPlatformEventType(), this);
}
void DeviceOrientationDispatcher::stopListening() {
Platform::current()->stopListening(getWebPlatformEventType());
m_lastDeviceOrientationData.clear();
}
void DeviceOrientationDispatcher::didChangeDeviceOrientation(
const WebDeviceOrientationData& motion) {
m_lastDeviceOrientationData = DeviceOrientationData::create(motion);
notifyControllers();
}
DeviceOrientationData*
DeviceOrientationDispatcher::latestDeviceOrientationData() {
return m_lastDeviceOrientationData.get();
}
WebPlatformEventType DeviceOrientationDispatcher::getWebPlatformEventType()
const {
return (m_absolute) ? WebPlatformEventTypeDeviceOrientationAbsolute
: WebPlatformEventTypeDeviceOrientation;
}
} // namespace blink
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