Index: Source/modules/device_orientation/DeviceMotionDispatcher.h |
diff --git a/Source/modules/device_orientation/DeviceMotionDispatcher.h b/Source/modules/device_orientation/DeviceMotionDispatcher.h |
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index 0000000000000000000000000000000000000000..1cbf9f3d4c5dec753315b09469219653fdaaef6f |
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+++ b/Source/modules/device_orientation/DeviceMotionDispatcher.h |
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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. |
+ */ |
+ |
+#ifndef DeviceMotionDispatcher_h |
+#define DeviceMotionDispatcher_h |
+ |
+#include "DeviceMotionData.h" |
+#include "wtf/RefPtr.h" |
+#include "wtf/Vector.h" |
+#include <public/WebDeviceMotionListener.h> |
+ |
+namespace WebKit { |
+class WebDeviceMotionData; |
+} |
+ |
+namespace WebCore { |
+ |
+class DeviceMotionController; |
+class DeviceMotionData; |
+ |
+// This class listens to device motion data and dispatches it to all |
+// listening controllers. |
+class DeviceMotionDispatcher : public WebKit::WebDeviceMotionListener { |
+public: |
+ static DeviceMotionDispatcher& instance(); |
+ |
+ void addController(DeviceMotionController*); |
+ void removeController(DeviceMotionController*); |
+ |
+ // Note that the returned object is owned by this class. |
+ // FIXME: make the return value const, see crbug.com/233174. |
+ DeviceMotionData* latestDeviceMotionData(); |
+ |
+ // This method is called every time new device motion data is available. |
+ virtual void didChangeDeviceMotion(const WebKit::WebDeviceMotionData&) OVERRIDE; |
+ |
+private: |
+ DeviceMotionDispatcher(); |
+ ~DeviceMotionDispatcher(); |
+ |
+ void startListening(); |
+ void stopListening(); |
+ |
+ void purgeControllers(); |
+ |
+ RefPtr<DeviceMotionData> m_lastDeviceMotionData; |
+ Vector<DeviceMotionController*> m_controllers; |
+}; |
+ |
+} // namespace WebCore |
+ |
+#endif // DeviceMotionDispatcher_h |