136 lines
3.1 KiB
C++
136 lines
3.1 KiB
C++
// THIS CODE AND INFORMATION IS PROVIDED "AS IS" WITHOUT WARRANTY OF
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// ANY KIND, EITHER EXPRESSED OR IMPLIED, INCLUDING BUT NOT LIMITED TO
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// THE IMPLIED WARRANTIES OF MERCHANTABILITY AND/OR FITNESS FOR A
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// PARTICULAR PURPOSE.
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//
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// Copyright (c) Microsoft Corporation. All rights reserved
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#include "CoreObject.h"
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#include <manipulations_i.c>
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#include <new>
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CCoreObject::CCoreObject(HWND hwnd, int iTimerId, CD2DDriver* d2dDriver) :
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m_hWnd(hwnd),
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m_iTimerId(iTimerId),
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m_d2dDriver(d2dDriver),
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doDrawing(NULL),
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manipulationProc(NULL),
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inertiaProc(NULL)
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{
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}
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BOOL CCoreObject::Initialize()
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{
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BOOL success = SUCCEEDED(CoInitializeEx(NULL, COINIT_APARTMENTTHREADED));
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// Create an instance of the COM manipulation processor
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if(success)
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{
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success = SUCCEEDED(CoCreateInstance(CLSID_ManipulationProcessor,
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NULL,
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CLSCTX_INPROC_SERVER,
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IID_IUnknown,
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(VOID**)(&manipulationProc)));
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}
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// Create an instance of the COM inertia processor
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if(success)
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{
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success = SUCCEEDED(CoCreateInstance(CLSID_InertiaProcessor,
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NULL,
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CLSCTX_INPROC_SERVER,
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IID_IUnknown,
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(VOID**)(&inertiaProc)));
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}
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// Create graphical representation of this core object
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if(success)
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{
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doDrawing = new (std::nothrow) CDrawingObject(m_hWnd, m_d2dDriver);
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if(doDrawing == NULL)
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{
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success = FALSE;
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}
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}
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// Create manipulation event sink for this core object
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// and setup connection point to manipulation processor
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if(success)
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{
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manipulationEventSink = new (std::nothrow) CManipulationEventSink(m_hWnd, this, m_iTimerId, FALSE);
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if(manipulationEventSink == NULL)
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{
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success = FALSE;
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}
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if(success)
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{
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success = manipulationEventSink->SetupConnPt(manipulationProc);
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}
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}
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// Create inertia event sink for this core object
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// and setup connection point to inertia processor
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if(success)
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{
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inertiaEventSink = new (std::nothrow) CManipulationEventSink(m_hWnd, this, m_iTimerId, TRUE);
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if(inertiaEventSink == NULL)
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{
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success = FALSE;
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}
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if(success)
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{
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success = inertiaEventSink->SetupConnPt(inertiaProc);
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}
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}
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// Initially object does not have inertia
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if(success)
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{
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bIsInertiaActive = FALSE;
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}
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return success;
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}
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CCoreObject::~CCoreObject()
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{
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// Clean up graphical representation, event sinks and processors
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if(doDrawing)
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{
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delete doDrawing;
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}
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if(manipulationEventSink)
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{
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manipulationEventSink->RemoveConnPt();
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manipulationEventSink->Release();
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manipulationEventSink = NULL;
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}
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if(inertiaEventSink)
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{
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inertiaEventSink->RemoveConnPt();
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inertiaEventSink->Release();
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inertiaEventSink = NULL;
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}
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if(manipulationProc)
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{
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manipulationProc->Release();
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}
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if(inertiaProc)
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{
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inertiaProc->Release();
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}
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CoUninitialize();
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}
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