Index: content/renderer/device_sensors/device_light_event_pump.h |
diff --git a/content/renderer/device_sensors/device_light_event_pump.h b/content/renderer/device_sensors/device_light_event_pump.h |
new file mode 100644 |
index 0000000000000000000000000000000000000000..a998adffb3232554c72e0beb05c15e4d02e69e51 |
--- /dev/null |
+++ b/content/renderer/device_sensors/device_light_event_pump.h |
@@ -0,0 +1,51 @@ |
+// Copyright 2014 The Chromium Authors. All rights reserved. |
+// Use of this source code is governed by a BSD-style license that can be |
+// found in the LICENSE file. |
+ |
+#ifndef CONTENT_RENDERER_DEVICE_SENSORS_DEVICE_LIGHT_EVENT_PUMP_H_ |
+#define CONTENT_RENDERER_DEVICE_SENSORS_DEVICE_LIGHT_EVENT_PUMP_H_ |
+ |
+#include "base/memory/scoped_ptr.h" |
+#include "content/common/device_sensors/device_light_data.h" |
+#include "content/renderer/device_sensors/device_sensor_event_pump.h" |
+#include "content/renderer/shared_memory_seqlock_reader.h" |
+ |
+namespace blink { |
+class WebDeviceLightListener; |
+} |
+ |
+namespace content { |
+ |
+typedef SharedMemorySeqLockReader<DeviceLightData> |
+ DeviceLightSharedMemoryReader; |
+ |
+class CONTENT_EXPORT DeviceLightEventPump : public DeviceSensorEventPump { |
+ public: |
+ DeviceLightEventPump(); |
+ explicit DeviceLightEventPump(int pump_delay_millis); |
+ virtual ~DeviceLightEventPump(); |
+ |
+ // Sets the listener to receive updates for device light data at |
+ // regular intervals. Returns true if the registration was successful. |
+ bool SetListener(blink::WebDeviceLightListener* listener); |
+ |
+ // RenderProcessObserver implementation. |
+ virtual bool OnControlMessageReceived(const IPC::Message& message) OVERRIDE; |
+ |
+ protected: |
+ // Methods overriden from base class DeviceSensorEventPump |
+ virtual void FireEvent() OVERRIDE; |
+ virtual bool InitializeReader(base::SharedMemoryHandle handle) OVERRIDE; |
+ virtual bool SendStartMessage() OVERRIDE; |
+ virtual bool SendStopMessage() OVERRIDE; |
+ |
+ blink::WebDeviceLightListener* listener_; |
+ scoped_ptr<DeviceLightSharedMemoryReader> reader_; |
+ double last_seen_data_; |
+ |
+ DISALLOW_COPY_AND_ASSIGN(DeviceLightEventPump); |
+}; |
+ |
+} // namespace content |
+ |
+#endif // CONTENT_RENDERER_DEVICE_SENSORS_DEVICE_LIGHT_EVENT_PUMP_H_ |