8ed917b8c2
Waiting for Repository work git-svn-id: svn://10.0.0.236/trunk@24159 18797224-902f-48f8-a5cc-f745e15eee43
223 lines
5.2 KiB
C++
223 lines
5.2 KiB
C++
/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*-
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*
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* The contents of this file are subject to the Netscape Public License
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* Version 1.0 (the "NPL"); you may not use this file except in
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* compliance with the NPL. You may obtain a copy of the NPL at
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* http://www.mozilla.org/NPL/
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*
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* Software distributed under the NPL is distributed on an "AS IS" basis,
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* WITHOUT WARRANTY OF ANY KIND, either express or implied. See the NPL
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* for the specific language governing rights and limitations under the
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* NPL.
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*
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* The Initial Developer of this code under the NPL is Netscape
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* Communications Corporation. Portions created by Netscape are
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* Copyright (C) 1998 Netscape Communications Corporation. All Rights
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* Reserved.
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*/
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#include "nsSelectionMgr.h"
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#include <strstrea.h>
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#include <windows.h>
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#include "nscore.h"
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#include "nsString.h"
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// XXX BWEEP BWEEP This is ONLY TEMPORARY until the service manager
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// has a way of registering instances
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// (see http://bugzilla.mozilla.org/show_bug.cgi?id=3509 ).
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nsISelectionMgr* theSelectionMgr = 0;
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extern "C" NS_EXPORT nsISelectionMgr*
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GetSelectionMgr()
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{
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if (!theSelectionMgr)
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{
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nsresult result = NS_NewSelectionMgr(&theSelectionMgr);
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NS_ASSERTION(NS_SUCCEEDED(result),"Could not allocate the selection manager");
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}
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return theSelectionMgr;
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}
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// BWEEP BWEEP
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/**
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* Selection Manager for Windows.
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* Owns the copied text, listens for selection request events.
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*/
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NS_IMPL_ADDREF(nsSelectionMgr)
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NS_IMPL_RELEASE(nsSelectionMgr)
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nsSelectionMgr::nsSelectionMgr()
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{
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NS_INIT_REFCNT();
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mCopyStream = 0;
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// BWEEP see above
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theSelectionMgr = this;
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}
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nsSelectionMgr::~nsSelectionMgr()
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{
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}
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nsresult nsSelectionMgr::QueryInterface(const nsIID& aIID,
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void** aInstancePtrResult)
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{
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NS_PRECONDITION(aInstancePtrResult, "null pointer");
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if (!aInstancePtrResult)
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{
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return NS_ERROR_NULL_POINTER;
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}
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if (aIID.Equals(nsISupports::GetIID()))
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{
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*aInstancePtrResult = (void*)(nsISupports*)this;
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NS_ADDREF_THIS();
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return NS_OK;
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}
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if (aIID.Equals(nsISelectionMgr::GetIID()))
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{
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*aInstancePtrResult = (void*)(nsISelectionMgr*)this;
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NS_ADDREF_THIS();
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return NS_OK;
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}
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return !NS_OK;
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}
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nsresult nsSelectionMgr::GetCopyOStream(ostream** aStream)
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{
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if (mCopyStream)
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delete mCopyStream;
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mCopyStream = new ostrstream;
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*aStream = mCopyStream;
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return NS_OK;
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}
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static const char* gsAOLFormat = "AOLMAIL";
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static const char* gsHTMLFormat = "text/html";
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static void PlaceHTMLOnClipboard(PRUint32 aFormat, char* aData, int aLength)
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{
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HGLOBAL hGlobalMemory;
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PSTR pGlobalMemory;
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PRUint32 cf_aol = RegisterClipboardFormat(gsAOLFormat);
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PRUint32 cf_html = RegisterClipboardFormat(gsHTMLFormat);
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char* preamble = "";
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char* postamble = "";
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if (aFormat == cf_aol)
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{
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preamble = "<HTML>";
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postamble = "</HTML>";
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}
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PRInt32 size = aLength + 1 + strlen(preamble) + strlen(postamble);
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if (aLength)
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{
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// Copy text to Global Memory Area
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hGlobalMemory = (HGLOBAL)GlobalAlloc(GHND, size);
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if (hGlobalMemory != NULL)
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{
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pGlobalMemory = (PSTR) GlobalLock(hGlobalMemory);
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int i;
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// AOL requires HTML prefix/postamble
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char* s = preamble;
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PRInt32 len = strlen(s);
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for (i=0; i < len; i++)
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{
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*pGlobalMemory++ = *s++;
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}
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s = aData;
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len = aLength;
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for (i=0;i< len;i++) {
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*pGlobalMemory++ = *s++;
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}
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s = postamble;
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len = strlen(s);
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for (i=0; i < len; i++)
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{
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*pGlobalMemory++ = *s++;
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}
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// Put data on Clipboard
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GlobalUnlock(hGlobalMemory);
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SetClipboardData(aFormat, hGlobalMemory);
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}
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}
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}
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nsresult nsSelectionMgr::CopyToClipboard()
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{
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// we'd better already have a stream ...
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if (!mCopyStream)
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return NS_ERROR_NOT_INITIALIZED;
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PRInt32 len = mCopyStream->pcount();
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char* str = (char*)mCopyStream->str();
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PRUint32 cf_aol = RegisterClipboardFormat(gsAOLFormat);
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PRUint32 cf_html = RegisterClipboardFormat(gsHTMLFormat);
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if (len)
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{
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OpenClipboard(NULL);
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EmptyClipboard();
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PlaceHTMLOnClipboard(cf_aol,str,len);
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PlaceHTMLOnClipboard(cf_html,str,len);
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PlaceHTMLOnClipboard(CF_TEXT,str,len);
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CloseClipboard();
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}
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// in ostrstreams if you cal the str() function
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// then you are responsible for deleting the string
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if (str) delete str;
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delete mCopyStream;
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mCopyStream = 0;
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return NS_OK;
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}
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nsresult nsSelectionMgr::PasteTextBlocking(nsString* aPastedText)
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{
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HGLOBAL hglb;
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LPSTR lpstr;
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nsresult result = NS_ERROR_FAILURE;
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if (aPastedText && OpenClipboard(NULL))
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{
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// Just Grab TEXT for now, later we will grab HTML, XIF, etc.
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hglb = GetClipboardData(CF_TEXT);
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if (hglb != NULL)
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{
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lpstr = (LPSTR)GlobalLock(hglb);
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aPastedText->SetString((char*)lpstr);
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GlobalUnlock(hglb);
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result = NS_OK;
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}
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CloseClipboard();
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}
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return result;
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}
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nsresult NS_NewSelectionMgr(nsISelectionMgr** aInstancePtrResult)
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{
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nsSelectionMgr* sm = new nsSelectionMgr();
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return sm->QueryInterface(nsISelectionMgr::GetIID(),
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(void**) aInstancePtrResult);
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}
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