evnthook.cpp
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- /* ***** BEGIN LICENSE BLOCK *****
- * Source last modified: $Id: evnthook.cpp,v 1.3.12.1 2004/07/09 01:58:01 hubbe Exp $
- *
- * Portions Copyright (c) 1995-2004 RealNetworks, Inc. All Rights Reserved.
- *
- * The contents of this file, and the files included with this file,
- * are subject to the current version of the RealNetworks Public
- * Source License (the "RPSL") available at
- * http://www.helixcommunity.org/content/rpsl unless you have licensed
- * the file under the current version of the RealNetworks Community
- * Source License (the "RCSL") available at
- * http://www.helixcommunity.org/content/rcsl, in which case the RCSL
- * will apply. You may also obtain the license terms directly from
- * RealNetworks. You may not use this file except in compliance with
- * the RPSL or, if you have a valid RCSL with RealNetworks applicable
- * to this file, the RCSL. Please see the applicable RPSL or RCSL for
- * the rights, obligations and limitations governing use of the
- * contents of the file.
- *
- * Alternatively, the contents of this file may be used under the
- * terms of the GNU General Public License Version 2 or later (the
- * "GPL") in which case the provisions of the GPL are applicable
- * instead of those above. If you wish to allow use of your version of
- * this file only under the terms of the GPL, and not to allow others
- * to use your version of this file under the terms of either the RPSL
- * or RCSL, indicate your decision by deleting the provisions above
- * and replace them with the notice and other provisions required by
- * the GPL. If you do not delete the provisions above, a recipient may
- * use your version of this file under the terms of any one of the
- * RPSL, the RCSL or the GPL.
- *
- * This file is part of the Helix DNA Technology. RealNetworks is the
- * developer of the Original Code and owns the copyrights in the
- * portions it created.
- *
- * This file, and the files included with this file, is distributed
- * and made available on an 'AS IS' basis, WITHOUT WARRANTY OF ANY
- * KIND, EITHER EXPRESS OR IMPLIED, AND REALNETWORKS HEREBY DISCLAIMS
- * ALL SUCH WARRANTIES, INCLUDING WITHOUT LIMITATION, ANY WARRANTIES
- * OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE, QUIET
- * ENJOYMENT OR NON-INFRINGEMENT.
- *
- * Technology Compatibility Kit Test Suite(s) Location:
- * http://www.helixcommunity.org/content/tck
- *
- * Contributor(s):
- *
- * ***** END LICENSE BLOCK ***** */
- // include
- #include "hxtypes.h"
- #include "hxwintyp.h"
- #include "hxcom.h"
- #include "hxwin.h"
- #include "hxevent.h"
- // pncont
- #include "hxstring.h"
- #include "hxmap.h"
- // smlrendr
- #include "evnthook.h"
- // pndebug
- #include "debugout.h"
- #include "hxheap.h"
- #ifdef _DEBUG
- #undef HX_THIS_FILE
- static const char HX_THIS_FILE[] = __FILE__;
- #endif
- CSmilEventHook::CSmilEventHook(CSmilEventHookResponse* pResponse,
- const char* pRegionName,
- const char* pChannelName,
- BOOL bNoRegion,
- const char* pszMediaID)
- {
- m_lRefCount = 0;
- m_pResponse = pResponse;
- m_bNoRegion = bNoRegion;
- m_pSiteMap = NULL;
- m_pRegionName = new CHXString(pRegionName);
- HX_ASSERT(m_pRegionName);
- m_pChannelName = new CHXString(pChannelName);
- HX_ASSERT(m_pChannelName);
- m_pMediaID = new CHXString(pszMediaID);
- HX_ASSERT(m_pMediaID);
- if (m_pResponse)
- {
- m_pResponse->AddRef();
- }
- }
- CSmilEventHook::~CSmilEventHook()
- {
- HX_DELETE(m_pRegionName);
- HX_DELETE(m_pChannelName);
- HX_DELETE(m_pMediaID);
- // Release the response interface
- if (m_pResponse)
- {
- m_pResponse->Release();
- m_pResponse = NULL;
- }
- // Release any remaining sites
- if (m_pSiteMap)
- {
- POSITION pos = m_pSiteMap->GetStartPosition();
- while (pos)
- {
- void* pKey = NULL;
- void* pPtr = NULL;
- m_pSiteMap->GetNextAssoc(pos, pKey, pPtr);
- IHXSite* pSite = (IHXSite*) pKey;
- HX_RELEASE(pSite);
- }
- m_pSiteMap->RemoveAll();
- }
- HX_DELETE(m_pSiteMap);
- }
- STDMETHODIMP CSmilEventHook::QueryInterface(REFIID riid, void** ppvObj)
- {
- HX_RESULT retVal = HXR_OK;
- if (ppvObj)
- {
- if(IsEqualIID(riid, IID_IUnknown))
- {
- AddRef();
- *ppvObj = (IUnknown*) (IHXEventHook*) this;
- }
- else if(IsEqualIID(riid, IID_IHXEventHook))
- {
- AddRef();
- *ppvObj = (IHXEventHook*) this;
- }
- else
- {
- *ppvObj = NULL;
- retVal = HXR_NOINTERFACE;
- }
- }
- return retVal;
- }
- STDMETHODIMP_(ULONG32) CSmilEventHook::AddRef()
- {
- return InterlockedIncrement(&m_lRefCount);
- }
- STDMETHODIMP_(ULONG32) CSmilEventHook::Release()
- {
- if(InterlockedDecrement(&m_lRefCount) > 0)
- {
- return m_lRefCount;
- }
- delete this;
- return 0;
- }
- STDMETHODIMP CSmilEventHook::HandleEvent(IHXSite* pSite, HXxEvent* pEvent)
- {
- HX_RESULT rc = HXR_OK;
- void* pVoid = NULL;
- if(m_pResponse &&
- m_pSiteMap &&
- m_pSiteMap->Lookup((void*) pSite, pVoid))
- {
- switch(pEvent->event)
- {
- case HX_MOUSE_MOVE:
- case HX_MOUSE_ENTER:
- case HX_MOUSE_LEAVE:
- {
- BOOL bIsMouseLeaveEvent =
- (HX_MOUSE_LEAVE == pEvent->event);
- BOOL bHandleSetCursor = FALSE;
- HXxPoint* mousePt = (HXxPoint*) pEvent->param1;
- rc = m_pResponse->HandleMouseMove(pEvent->window,
- GetRegionName(),
- GetMediaID(),
- (INT16) mousePt->x,
- (INT16) mousePt->y,
- (UINT32)pEvent->event,
- bHandleSetCursor);
- // /In case we moved off of a hyperlink and onto an area
- // not covered by media, we need to update the cursor:
- if (bHandleSetCursor)
- {
- m_pResponse->HandleSetCursor();
- }
- if (SUCCEEDED(rc))
- {
- pEvent->handled = TRUE;
- }
- // /Fixes PR 62047; if we return anything else, then the
- // event doesn't get passed along to media, below, which
- // it needs to in the case where we didn't handle this:
- rc = HXR_OK;
- }
- break;
- case HX_PRIMARY_BUTTON_UP:
- {
- HXxPoint* mousePt = (HXxPoint*) pEvent->param1;
- BOOL bHandled = FALSE;
- rc = m_pResponse->HandleLButtonUp(GetRegionName(),
- GetMediaID(),
- (INT16) mousePt->x,
- (INT16) mousePt->y,
- bHandled);
- if (SUCCEEDED(rc))
- {
- pEvent->handled = bHandled;
- }
- rc = HXR_OK; // /Fixes PR 62047 (see above).
- }
- break;
- case HX_SET_FOCUS:
- {
- rc = m_pResponse->HandleGotFocus(GetRegionName(),
- GetMediaID());
- if (SUCCEEDED(rc))
- {
- pEvent->handled = TRUE;
- }
- }
- break;
- case HX_LOSE_FOCUS:
- {
- rc = m_pResponse->HandleLostFocus(GetRegionName(),
- GetMediaID());
- if (SUCCEEDED(rc))
- {
- pEvent->handled = TRUE;
- }
- }
- break;
- // Translated key event (already accounts for shift+, CTRL+, etc.):
- #if defined(_WINDOWS)
- // XXXEH- Old site implementation passes WM_CHAR message only;
- // we should remove this after HX_CHAR is being sent properly:
- // XXXMEH - Since we are going to stop claiming that
- // we handled keystrokes, then we need to only listen
- // on either WM_CHAR OR HX_CHAR, but not both. If we
- // were listening on both and not claiming that we
- // handled the keystroke, then we would get both of
- // them and potentially try to start foo.accesskey()
- // elements twice. So we will only listen for HX_CHAR
- // case WM_CHAR:
- #endif
- case HX_CHAR:
- {
- UINT16 uCharPressed = (UINT16) (UINT32)pEvent->param1;
- // XXXEH: TODO: Handle this: "The character is a single
- // character from [[ISO10646]]."
- rc = m_pResponse->HandleCharEvent(uCharPressed);
- if (SUCCEEDED(rc))
- {
- // XXXMEH - we will no longer claim that we handle
- // keystrokes. This will allow renderers such as
- // flash to get the keystrokes for forms, etc.
- pEvent->handled = FALSE;
- }
- rc = HXR_OK; // /Fixes PR 62248 (see PR 62047 note, above).
- }
- break;
- #ifdef _WINDOWS
- case WM_SETCURSOR:
- {
- pEvent->handled = m_pResponse->HandleSetCursor();
- }
- break;
- #endif
- default:
- break;
- }
- }
- return rc;
- }
- STDMETHODIMP CSmilEventHook::SiteAdded(IHXSite* pSite)
- {
- HX_RESULT retVal = HXR_OK;
- if (pSite)
- {
- // Create the site map if necessary
- if (!m_pSiteMap)
- {
- m_pSiteMap = new CHXMapPtrToPtr();
- }
- if (m_pSiteMap)
- {
- // AddRef the site before adding it
- pSite->AddRef();
- // Add this site to the site map
- m_pSiteMap->SetAt((void*) pSite, (void*) 0);
- // Add how events if necessary
- if(m_bNoRegion && m_pResponse)
- {
- m_pResponse->AddShowEvents(GetRegionName(), pSite);
- }
- }
- else
- {
- retVal = HXR_OUTOFMEMORY;
- }
- }
- else
- {
- retVal = HXR_FAIL;
- }
- return retVal;
- }
- STDMETHODIMP CSmilEventHook::SiteRemoved(IHXSite* pSite)
- {
- HX_RESULT retVal = HXR_OK;
- // Check to see if this site is in the map
- void* pVoid = NULL;
- if (m_pSiteMap && m_pSiteMap->Lookup((void*) pSite, pVoid))
- {
- // Remove this site from the map
- m_pSiteMap->RemoveKey((void*) pSite);
- // Release our ref on the site
- HX_RELEASE(pSite);
- }
- return retVal;
- }
- const char* CSmilEventHook::GetRegionName() const
- {
- const char* pRet = NULL;
- if (m_pRegionName)
- {
- pRet = (const char*) *m_pRegionName;
- }
- return pRet;
- }
- const char* CSmilEventHook::GetChannelName() const
- {
- const char* pRet = NULL;
- if (m_pChannelName)
- {
- pRet = (const char*) *m_pChannelName;
- }
- return pRet;
- }
- const char* CSmilEventHook::GetMediaID() const
- {
- const char* pRet = NULL;
- if (m_pMediaID)
- {
- pRet = (const char*) *m_pMediaID;
- }
- return pRet;
- }