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// Copyright (c) 2012 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/observer_delegate.h"
#include "base/logging.h"
#include "content/browser/device_orientation/device_data.h"
#include "content/browser/device_orientation/motion.h"
#include "content/browser/device_orientation/orientation.h"
#include "ipc/ipc_sender.h"
namespace content {
ObserverDelegate::ObserverDelegate(DeviceData::Type device_data_type,
Provider* provider, int render_view_id,
IPC::Sender* sender)
: Observer(device_data_type),
provider_(provider),
render_view_id_(render_view_id),
sender_(sender) {
provider_->AddObserver(this);
}
ObserverDelegate::~ObserverDelegate() {
provider_->RemoveObserver(this);
}
void ObserverDelegate::OnDeviceDataUpdate(
const DeviceData* device_data, DeviceData::Type device_data_type) {
scoped_refptr<const DeviceData> new_device_data(device_data);
if (!new_device_data.get())
new_device_data = EmptyDeviceData(device_data_type);
sender_->Send(new_device_data->CreateIPCMessage(render_view_id_));
}
DeviceData* ObserverDelegate::EmptyDeviceData(DeviceData::Type type) {
switch (type) {
case DeviceData::kTypeMotion:
return new Motion();
case DeviceData::kTypeOrientation:
return new Orientation();
case DeviceData::kTypeTest:
NOTREACHED();
}
NOTREACHED();
return NULL;
}
} // namespace content
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