[DeviceLight API] Content Side

content/browser/device_orientation/data_fetcher_shared_memory_base.cc

 // Copyright 2013 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.
 
 #include "content/browser/device_orientation/data_fetcher_shared_memory_base.h"
 
 #include "base/bind.h"
 #include "base/logging.h"
 #include "base/stl_util.h"
 #include "base/threading/thread.h"
 #include "base/timer/timer.h"
+#include "content/common/device_light/device_light_hardware_buffer.h"
 #include "content/common/device_orientation/device_motion_hardware_buffer.h"
 #include "content/common/device_orientation/device_orientation_hardware_buffer.h"
 
 namespace content {
 
 namespace {
 
 static size_t GetConsumerSharedMemoryBufferSize(ConsumerType consumer_type) {
   switch (consumer_type) {
     case CONSUMER_TYPE_MOTION:
       return sizeof(DeviceMotionHardwareBuffer);
     case CONSUMER_TYPE_ORIENTATION:
       return sizeof(DeviceOrientationHardwareBuffer);
+    case CONSUMER_TYPE_LIGHT:
+      return sizeof(DeviceLightHardwareBuffer);
     default:
       NOTREACHED();
   }
   return 0;
 }
 
-}
+}  // namespace
 
 class DataFetcherSharedMemoryBase::PollingThread : public base::Thread {
  public:
   PollingThread(const char* name, DataFetcherSharedMemoryBase* fetcher);
   virtual ~PollingThread();
 
   void AddConsumer(ConsumerType consumer_type, void* buffer);
   void RemoveConsumer(ConsumerType consumer_type);
 
   unsigned GetConsumersBitmask() const { return consumers_bitmask_; }
   bool IsTimerRunning() const { return timer_ ? timer_->IsRunning() : false; }
 
  private:
-
   void DoPoll();
 
   unsigned consumers_bitmask_;
   DataFetcherSharedMemoryBase* fetcher_;
   scoped_ptr<base::RepeatingTimer<PollingThread> > timer_;
 
   DISALLOW_COPY_AND_ASSIGN(PollingThread);
 };
 
 // --- PollingThread methods
@@ skipping 26 matching lines @@
 
 void DataFetcherSharedMemoryBase::PollingThread::RemoveConsumer(
     ConsumerType consumer_type) {
   DCHECK(fetcher_);
   if (!fetcher_->Stop(consumer_type))
     return;
 
   consumers_bitmask_ ^= consumer_type;
 
   if (!consumers_bitmask_)
-    timer_.reset(); // will also stop the timer.
+    timer_.reset();  //  will also stop the timer.
 }
 
 void DataFetcherSharedMemoryBase::PollingThread::DoPoll() {
   DCHECK(fetcher_);
   DCHECK(consumers_bitmask_);
   fetcher_->Fetch(consumers_bitmask_);
 }
 
 // --- end of PollingThread methods
 
 DataFetcherSharedMemoryBase::DataFetcherSharedMemoryBase()
     : started_consumers_(0) {
 }
 
 DataFetcherSharedMemoryBase::~DataFetcherSharedMemoryBase() {
   StopFetchingDeviceData(CONSUMER_TYPE_MOTION);
   StopFetchingDeviceData(CONSUMER_TYPE_ORIENTATION);
+  StopFetchingDeviceData(CONSUMER_TYPE_LIGHT);
 
   // make sure polling thread stops asap.
   if (polling_thread_)
     polling_thread_->Stop();
 
   STLDeleteContainerPairSecondPointers(shared_memory_map_.begin(),
       shared_memory_map_.end());
 }
 
 bool DataFetcherSharedMemoryBase::StartFetchingDeviceData(
@@ skipping 116 matching lines @@
 base::MessageLoop* DataFetcherSharedMemoryBase::GetPollingMessageLoop() const {
   return polling_thread_ ? polling_thread_->message_loop() : NULL;
 }
 
 bool DataFetcherSharedMemoryBase::IsPollingTimerRunningForTesting() const {
   return polling_thread_ ? polling_thread_->IsTimerRunning() : false;
 }
 
 
 }  // namespace content