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#lockdown Nick.Penwarden (Will update with full description tomorrow) [CL 2984534 by Matthew Griffin in Main branch]
86 lines
2.6 KiB
C++
86 lines
2.6 KiB
C++
/** @file
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@brief Header
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@date 2015
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@author
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Sensics, Inc.
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<http://sensics.com/osvr>
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*/
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// Copyright 2015 Sensics, Inc.
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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#ifndef INCLUDED_DeviceComponent_h_GUID_FC172255_F4F1_41A2_ABA5_E5E33F8BD005
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#define INCLUDED_DeviceComponent_h_GUID_FC172255_F4F1_41A2_ABA5_E5E33F8BD005
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// Internal Includes
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#include <osvr/Common/DeviceComponentPtr.h>
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#include <osvr/Common/BaseDevicePtr.h>
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#include <osvr/Common/MessageHandler.h>
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#include <osvr/Common/BaseMessageTraits.h>
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// Library/third-party includes
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// - none
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// Standard includes
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// - none
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namespace osvr {
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namespace common {
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class DeviceComponent {
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public:
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typedef BaseDevice Parent;
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/// @brief Called (only) by BaseDevice when being added: effectively
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/// records a "parent pointer" that does not convey ownership.
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void recordParent(Parent &dev);
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/// @brief Called during mainloop
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void update();
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protected:
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/// @brief Protected constructor, to require subclassing
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DeviceComponent();
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/// @brief Returns true if we have a parent registered.
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bool m_hasParent() const;
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/// @brief Gets the parent - only call if m_hasParent() is true
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Parent &m_getParent();
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/// @brief Registers a handler whose lifetime is tied to the lifetime of
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/// the component.
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///
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/// Only call if m_hasParent() is true.
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///
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/// Your handler should return 0 unless something is horribly wrong.
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void m_registerHandler(vrpn_MESSAGEHANDLER handler, void *userdata,
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RawMessageType const &msgType);
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/// @brief Called once when we have a parent
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virtual void m_parentSet() = 0;
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/// @brief Implementation-specific (optional) stuff to do during
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/// mainloop
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virtual void m_update();
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private:
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Parent *m_parent;
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MessageHandlerList<BaseDeviceMessageHandleTraits> m_messageHandlers;
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};
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} // namespace common
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} // namespace osvr
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#endif // INCLUDED_DeviceComponent_h_GUID_FC172255_F4F1_41A2_ABA5_E5E33F8BD005
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