Absolute Device Orientation API: blink implementation.

third_party/WebKit/Source/modules/device_orientation/DeviceOrientationAbsoluteDispatcher.cpp

+// Copyright 2015 The Chromium Authors. All rights reserved.

[Rick Byers, 2015/10/21 18:54:46]

Ditto on code duplication from DeviceOrientationDispatcher.cpp

[timvolodine, 2015/10/22 15:06:28]

Done.

+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
+#include "config.h"
+#include "modules/device_orientation/DeviceOrientationAbsoluteDispatcher.h"
+
+#include "modules/device_orientation/DeviceOrientationAbsoluteController.h"
+#include "modules/device_orientation/DeviceOrientationData.h"
+#include "public/platform/Platform.h"
+
+namespace blink {
+
+DeviceOrientationAbsoluteDispatcher& DeviceOrientationAbsoluteDispatcher::instance()
+{
+    DEFINE_STATIC_LOCAL(Persistent<DeviceOrientationAbsoluteDispatcher>, deviceOrientationAbsoluteDispatcher, (new DeviceOrientationAbsoluteDispatcher()));
+    return *deviceOrientationAbsoluteDispatcher;
+}
+
+DeviceOrientationAbsoluteDispatcher::DeviceOrientationAbsoluteDispatcher()
+{
+}
+
+DeviceOrientationAbsoluteDispatcher::~DeviceOrientationAbsoluteDispatcher()
+{
+}
+
+DEFINE_TRACE(DeviceOrientationAbsoluteDispatcher)
+{
+    visitor->trace(m_lastDeviceOrientationData);
+    PlatformEventDispatcher::trace(visitor);
+}
+
+void DeviceOrientationAbsoluteDispatcher::startListening()
+{
+    Platform::current()->startListening(WebPlatformEventDeviceOrientationAbsolute, this);
+}
+
+void DeviceOrientationAbsoluteDispatcher::stopListening()
+{
+    Platform::current()->stopListening(WebPlatformEventDeviceOrientationAbsolute);
+    m_lastDeviceOrientationData.clear();
+}
+
+void DeviceOrientationAbsoluteDispatcher::didChangeDeviceOrientation(const WebDeviceOrientationData& motion)
+{
+    m_lastDeviceOrientationData = DeviceOrientationData::create(motion);
+    notifyControllers();
+}
+
+DeviceOrientationData* DeviceOrientationAbsoluteDispatcher::latestDeviceOrientationData()
+{
+    return m_lastDeviceOrientationData.get();
+}
+
+} // namespace blink