gecko-dev/cmd/winfe/srvritem.cpp

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C++

/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 2 -*-
*
* The contents of this file are subject to the Netscape Public License
* Version 1.0 (the "NPL"); you may not use this file except in
* compliance with the NPL. You may obtain a copy of the NPL at
* http://www.mozilla.org/NPL/
*
* Software distributed under the NPL is distributed on an "AS IS" basis,
* WITHOUT WARRANTY OF ANY KIND, either express or implied. See the NPL
* for the specific language governing rights and limitations under the
* NPL.
*
* The Initial Developer of this code under the NPL is Netscape
* Communications Corporation. Portions created by Netscape are
* Copyright (C) 1998 Netscape Communications Corporation. All Rights
* Reserved.
*/
// implementation of the CNetscapeSrvrItem class
//
#include "stdafx.h"
#include "srvritem.h"
#include "cntritem.h"
#include "cxmeta.h"
#include "template.h"
#include "mainfrm.h"
#include "ipframe.h"
#include "netsvw.h"
#ifdef _DEBUG
#undef THIS_FILE
static char BASED_CODE THIS_FILE[] = __FILE__;
#endif
/////////////////////////////////////////////////////////////////////////////
// CNetscapeSrvrItem implementation
IMPLEMENT_DYNAMIC(CNetscapeSrvrItem, COleServerItem)
// Ole menu lock.
int CNetscapeSrvrItem::m_iOLEMenuLock = 0;
void CNetscapeSrvrItem::LoadOLEMenus()
{
if (m_ShowUI) {
// Up the count.
m_iOLEMenuLock++;
// If it's at 1, then we really need to load them.
if(m_iOLEMenuLock == 1) {
TRACE("Loading OLE Menus\n");
HINSTANCE hInst = AfxGetResourceHandle();
// Embedded
if(theApp.m_ViewTmplate->m_hMenuEmbedding == NULL) {
theApp.m_ViewTmplate->m_hMenuEmbedding = ::LoadMenu(hInst, MAKEINTRESOURCE(IDR_SRVR_EMBEDDED));
}
ASSERT(theApp.m_ViewTmplate->m_hMenuEmbedding);
if(theApp.m_ViewTmplate->m_hAccelEmbedding == NULL) {
theApp.m_ViewTmplate->m_hAccelEmbedding = ::LoadAccelerators(hInst, MAKEINTRESOURCE(IDR_SRVR_EMBEDDED));
}
ASSERT(theApp.m_ViewTmplate->m_hAccelEmbedding);
// Inplace
if(theApp.m_ViewTmplate->m_hMenuInPlaceServer == NULL) {
theApp.m_ViewTmplate->m_hMenuInPlaceServer = ::LoadMenu(hInst, MAKEINTRESOURCE(IDR_SRVR_INPLACE));
}
ASSERT(theApp.m_ViewTmplate->m_hMenuInPlaceServer);
if(theApp.m_ViewTmplate->m_hAccelInPlaceServer == NULL) {
theApp.m_ViewTmplate->m_hAccelInPlaceServer = ::LoadAccelerators(hInst, MAKEINTRESOURCE(IDR_SRVR_INPLACE));
}
ASSERT(theApp.m_ViewTmplate->m_hAccelInPlaceServer);
}
}
}
void CNetscapeSrvrItem::UnloadOLEMenus()
{
if (m_ShowUI) {
// Down the menu lock.
m_iOLEMenuLock--;
// If it's at 0, then we really need to get rid of them.
if(m_iOLEMenuLock == 0) {
TRACE("Unloading OLE Menus\n");
// Embedded
if(theApp.m_ViewTmplate->m_hMenuEmbedding) {
::DestroyMenu(theApp.m_ViewTmplate->m_hMenuEmbedding);
theApp.m_ViewTmplate->m_hMenuEmbedding = NULL;
}
if(theApp.m_ViewTmplate->m_hAccelEmbedding) {
::FreeResource(theApp.m_ViewTmplate->m_hAccelEmbedding);
theApp.m_ViewTmplate->m_hAccelEmbedding = NULL;
}
// Inplace
if(theApp.m_ViewTmplate->m_hMenuInPlaceServer) {
::DestroyMenu(theApp.m_ViewTmplate->m_hMenuInPlaceServer);
theApp.m_ViewTmplate->m_hMenuInPlaceServer = NULL;
}
if(theApp.m_ViewTmplate->m_hAccelInPlaceServer) {
::FreeResource(theApp.m_ViewTmplate->m_hAccelInPlaceServer);
theApp.m_ViewTmplate->m_hAccelInPlaceServer = NULL;
}
}
}
}
CNetscapeSrvrItem::CNetscapeSrvrItem(CGenericDoc* pContainerDoc)
: COleServerItem(pContainerDoc, TRUE)
{
TRACE("Creating CNetscapeSrvrItem %p\n", this);
// No size information of yet.
// However, we set the below as a default.
m_sizeExtent = CSize(0, 0);
// Let the context know it's an OLE server.
if(pContainerDoc->GetContext()) {
pContainerDoc->GetContext()->EnableOleServer();
}
m_ShowUI = TRUE;
// Load up the OLE server menus.
// This is a good place for the delayed loading and unloading the menu's only
// when needed, as a server item won't exist unless needed via OLE.
LoadOLEMenus();
}
CNetscapeSrvrItem::~CNetscapeSrvrItem()
{
TRACE("Destroying CNetscapeSrvrItem %p\n", this);
// Since the server item is now gone, it also cleaned up the view and
// frame, however, it did not clean up our extra component, the context.
CGenericDoc *pDoc = GetDocument();
if(pDoc != NULL) {
CDCCX *pCX = pDoc->GetContext();
if(pCX != NULL) {
TRACE("Destroying document context from server item\n");
pCX->DestroyContext();
}
#ifdef DEBUG
else {
TRACE("No document context to destroy from server item\n");
}
#endif
}
// Unload OLE menu's.
// This is a good place for the delayed loading and unloading the menu's only
// when needed, as a server item won't exist unless needed via OLE.
UnloadOLEMenus();
}
void CNetscapeSrvrItem::Serialize(CArchive& ar)
{
TRACE("Serializing CNetscapeSrvrItem\n");
// CNetscapeSrvrItem::Serialize will be called by the framework if
// the item is copied to the clipboard. This can happen automatically
// through the OLE callback OnGetClipboardData. A good default for
// the embedded item is simply to delegate to the document's Serialize
// function. If you support links, then you will want to serialize
// just a portion of the document.
if (!IsLinkedItem())
{
CGenericDoc* pDoc = GetDocument();
ASSERT_VALID(pDoc);
pDoc->Serialize(ar);
}
}
BOOL CNetscapeSrvrItem::OnGetExtent(DVASPECT dwDrawAspect, CSize& rSize)
{
TRACE("CNetscapeSrvrItem::OnGetExtent(dwDrawAspect, size %p\n", this);
BOOL bRetval = TRUE;
// Most applications, like this one, only handle drawing the content
// aspect of the item. If you wish to support other aspects, such
// as DVASPECT_THUMBNAIL (by overriding OnDrawEx), then this
// implementation of OnGetExtent should be modified to handle the
// additional aspect(s).
if (dwDrawAspect != DVASPECT_CONTENT)
return COleServerItem::OnGetExtent(dwDrawAspect, rSize);
// CNetscapeSrvrItem::OnGetExtent is called to get the extent in
// HIMETRIC units of the entire item.
// If we've never sized before, set the m_sizeExtent, and return it.
if(m_sizeExtent.cx == 0 || m_sizeExtent.cy == 0) {
CGenericDoc* pDoc = GetDocument();
if(pDoc != NULL) {
// Return the size of the normal netscape view.
// This will cause the window to come up in a correct size depending on the
// area of the item.
CWinCX *pCX = VOID2CX(pDoc->GetContext(), CWinCX);
if(pCX != NULL) {
HWND hView = pCX->GetPane();
if(hView != NULL) {
CRect crDim;
::GetClientRect(hView, crDim);
int32 lWidth = crDim.Width();
int32 lHeight = crDim.Height();
if (lWidth == 0)
lWidth = 7000;
else
lWidth = pCX->Twips2MetricX(lWidth);
if (lHeight == 0)
lHeight = 7000;
else
lHeight = pCX->Twips2MetricY(lHeight);
m_sizeExtent = CSize(CASTINT(lWidth), CASTINT(lHeight));
}
}
}
}
// Return the extents set previously, or set by OnSetExtent.
rSize = m_sizeExtent;
TRACE("GetExtents are %ld,%ld\n", m_sizeExtent.cx, m_sizeExtent.cy);
ASSERT(bRetval);
return(bRetval);
}
BOOL CNetscapeSrvrItem::OnSetExtent(DVASPECT nDrawAspect, const CSize& size) {
TRACE("CNetscapeSrvrItem::OnSetExtent(nDrawAspect, size) %p\n", this);
CGenericDoc *pDoc = GetDocument();
ASSERT(pDoc);
// Don't handle any others but direct content for now.
BOOL bRetval = COleServerItem::OnSetExtent(nDrawAspect, size);
m_sizeExtent = size;
if(nDrawAspect == DVASPECT_CONTENT) {
// Set our default extents to be reported by the document.
pDoc->m_csDocumentExtent = m_sizeExtent;
bRetval = TRUE;
}
TRACE("SetExtents are %ld,%ld\n", m_sizeExtent.cx, m_sizeExtent.cy);
ASSERT(bRetval);
return(bRetval);
}
// Return TRUE in most cases unless serious error.
// Nothing to draw is OK, but unable to draw is not OK.
BOOL CNetscapeSrvrItem::OnDraw(CDC* pDC, CSize& rSize)
{
TRACE("CNetscapeSrvrItem::OnDraw %p\n", this);
ASSERT_VALID(pDC);
CGenericDoc* pDoc = GetDocument();
ASSERT_VALID(pDoc);
// Determine the URL we're going to draw.
CString csDraw;
pDoc->GetContextHistoryAddress(csDraw);
if(csDraw.IsEmpty()) {
TRACE("Nothing to draw.\n");
return(TRUE);
}
// Allocate the url.
URL_Struct *pUrl = NET_CreateURLStruct((const char *)csDraw, NET_DONT_RELOAD);
if(pUrl == NULL) {
TRACE("Nothing to draw without URL.\n");
return(TRUE);
}
// Before we do this, make sure we know the current size of the view
// not the document constant extent.
CSize csViewport = pDoc->m_csViewExtent;
// Have a new context draw the item into the metafile.
// We have to block until completion.
DWORD dwBlockID = CMetaFileCX::MetaFileAnchorObject(pDC, csViewport, pUrl);
if(dwBlockID == 0) {
// Counld not create new meta file context.
return(FALSE);
}
// Block return until the context is destroyed.
FEU_BlockUntilDestroyed(dwBlockID);
return(TRUE);
}
#define NO_UI_EMBEDDING 5
void CNetscapeSrvrItem::OnDoVerb(LONG iVerb)
{
switch (iVerb)
{
// open - maps to OnOpen
case OLEIVERB_OPEN:
case -OLEIVERB_OPEN-1: // allows positive OLEIVERB_OPEN-1 in registry
OnOpen();
break;
// primary, show, and unknown map to OnShow
case OLEIVERB_PRIMARY: // OLEIVERB_PRIMARY is 0 and "Edit" in registry
case OLEIVERB_SHOW:
case OLEIVERB_UIACTIVATE: {
COleServerDoc* pDoc = GetDocument();
m_ShowUI = TRUE;
OnShow();
break;
}
case OLEIVERB_INPLACEACTIVATE: {
COleServerDoc* pDoc = GetDocument();
m_ShowUI = FALSE;
OnShow();
break;
}
// hide maps to OnHide
case OLEIVERB_HIDE:
case -OLEIVERB_HIDE-1: // allows positive OLEIVERB_HIDE-1 in registry
OnHide();
break;
case NO_UI_EMBEDDING: {
//Get InPlaceFrame ptr.
CGenericDoc *pDoc = GetDocument();
ASSERT(pDoc);
POSITION pos = pDoc->GetFirstViewPosition();
CView *pView = pDoc->GetNextView(pos);
ASSERT(pView);
m_ShowUI = FALSE;
OnShow();
CInPlaceFrame *pFrm = (CInPlaceFrame *)pView->GetParent();
ASSERT(pFrm);
pFrm->DestroyResizeBar();
break;
}
default:
// negative verbs not understood should return E_NOTIMPL
if (iVerb < 0)
AfxThrowOleException(E_NOTIMPL);
// positive verb not processed --
// according to OLE spec, primary verb should be executed
// instead.
OnDoVerb(OLEIVERB_PRIMARY);
// also, OLEOBJ_S_INVALIDVERB should be returned.
AfxThrowOleException(OLEOBJ_S_INVALIDVERB);
}
}
/////////////////////////////////////////////////////////////////////////////
// CNetscapeSrvrItem diagnostics
#ifdef _DEBUG
void CNetscapeSrvrItem::AssertValid() const
{
COleServerItem::AssertValid();
}
void CNetscapeSrvrItem::Dump(CDumpContext& dc) const
{
COleServerItem::Dump(dc);
}
#endif
/////////////////////////////////////////////////////////////////////////////