148 lines
3.5 KiB
C++
148 lines
3.5 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 <sstream>
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#include <string>
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#include <Scrap.h>
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#include <TextEdit.h>
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#include "nscore.h"
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#include "nsString.h"
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NS_IMPL_ADDREF(nsSelectionMgr)
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NS_IMPL_RELEASE(nsSelectionMgr)
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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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return theSelectionMgr;
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}
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// BWEEP BWEEP
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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 stringstream;
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*aStream = mCopyStream;
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return NS_OK;
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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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string theString = mCopyStream->str();
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PRInt32 len = theString.length();
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const char* str = theString.data();
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if (len)
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{
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char * ptr = NS_CONST_CAST(char*,str);
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for (PRInt32 plen = len; plen > 0; plen --, ptr ++)
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if (*ptr == '\n')
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*ptr = '\r';
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OSErr err = ::ZeroScrap();
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err = ::PutScrap(len, 'TEXT', str);
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::TEFromScrap();
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}
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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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if (!aPastedText)
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return NS_ERROR_NULL_POINTER;
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aPastedText->Truncate(0);
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long scrapOffset = 0;
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Handle destHandle = ::NewHandle(0);
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if (!destHandle) return NS_ERROR_OUT_OF_MEMORY;
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// Just Grab TEXT for now, later we will grab HTML, XIF, etc.
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long scrapLen = ::GetScrap(destHandle, 'TEXT', &scrapOffset);
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if (scrapLen < 0) // really an error, no text in scrap
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goto done;
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HLock(destHandle);
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aPastedText->SetString(*destHandle, scrapLen);
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done:
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::DisposeHandle(destHandle);
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return NS_OK;
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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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