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/*
* Copyright 2009, 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 O3D_CORE_CROSS_COUNTER_MANAGER_H_
#define O3D_CORE_CROSS_COUNTER_MANAGER_H_
#include <vector>
#include "base/basictypes.h"
#include "core/cross/profiler.h"
#include "core/cross/service_dependency.h"
#include "core/cross/service_implementation.h"
namespace o3d {
class SecondCounter;
class TickCounter;
class RenderFrameCounter;
// Registry for the various kinds of Counter. Can register and unregister
// counters and advance all registered counters.
class CounterManager {
public:
static const InterfaceId kInterfaceId;
explicit CounterManager(ServiceLocator* service_locator);
// Registers a second counter with the client. This is an internal function
// only called by SecondCounter's constructor.
// Parameters:
// counter: The SecondCounter to register.
void RegisterSecondCounter(SecondCounter* counter);
// Unregisters a second counter with the client. This is an internal function
// only called by SecondCounter's destructor.
// Parameters:
// counter: The SecondCounter to unregister.
void UnregisterSecondCounter(SecondCounter* counter);
// Registers a tick counter with the client. This is an internal function
// only called by TickCounter's constructor.
// Parameters:
// counter: The TickCounter to register.
void RegisterTickCounter(TickCounter* counter);
// Unregisters a tick counter with the client. This is an internal function
// only called by TickCounter's destructor.
// Parameters:
// counter: The TickCounter to unregister.
void UnregisterTickCounter(TickCounter* counter);
// Registers a render frame counter with the client. This is an internal
// function only called by RenderFrameCounter's constructor.
// Parameters:
// counter: The RenderFrameCounter to register.
void RegisterRenderFrameCounter(RenderFrameCounter* counter);
// Unregisters a render frame counter with the client. This is an internal
// function only called by RenderFrameCounter's destructor.
// Parameters:
// counter: The RenderFrameCounter to unregister.
void UnregisterRenderFrameCounter(RenderFrameCounter* counter);
// Advance the registered TickCounters by advance_amount and the
// SecondCounters by seconds_elapsed, invoking their Advance functions
// and any callbacks they enqueue as they run.
void AdvanceCounters(float advance_amount, float seconds_elapsed);
// Advance the RenderFrameCounters by the advance_amount, invoking their
// Advance functions and any callbacks they enqueue.
void AdvanceRenderFrameCounters(float advance_amount);
// Clears the callbacks on all counters registered in the
// CallbackManager. This needs to be called by Client::Cleanup
// so that these callbacks do not get called after the page
// has unloaded.
void ClearAllCallbacks();
private:
ServiceImplementation<CounterManager> service_;
ServiceDependency<Profiler> profiler_;
// Render frame counters registed with this client.
typedef std::vector<RenderFrameCounter*> RenderFrameCounterArray;
RenderFrameCounterArray render_frame_counters_;
// Second counters registed with this client.
typedef std::vector<SecondCounter*> SecondCounterArray;
SecondCounterArray second_counters_;
// Tick counters registed with this client.
typedef std::vector<TickCounter*> TickCounterArray;
TickCounterArray tick_counters_;
};
} // namespace o3d
#endif // O3D_CORE_CROSS_COUNTER_MANAGER_H_
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