зеркало из https://github.com/mozilla/gecko-dev.git
710 строки
18 KiB
C++
710 строки
18 KiB
C++
/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
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/* ***** BEGIN LICENSE BLOCK *****
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* Version: MPL 1.1/GPL 2.0/LGPL 2.1
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*
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* The contents of this file are subject to the Mozilla Public License Version
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* 1.1 (the "License"); you may not use this file except in compliance with
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* the License. You may obtain a copy of the License at
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* http://www.mozilla.org/MPL/
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*
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* Software distributed under the License is distributed on an "AS IS" basis,
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* WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
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* for the specific language governing rights and limitations under the
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* License.
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*
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* The Original Code is Mozilla Communicator client code.
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*
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* The Initial Developer of the Original Code is
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* Netscape Communications Corporation.
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* Portions created by the Initial Developer are Copyright (C) 1998
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* the Initial Developer. All Rights Reserved.
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*
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* Contributor(s):
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* Simon Fraser <sfraser@netscape.com>
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*
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* Alternatively, the contents of this file may be used under the terms of
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* either of the GNU General Public License Version 2 or later (the "GPL"),
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* or the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
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* in which case the provisions of the GPL or the LGPL are applicable instead
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* of those above. If you wish to allow use of your version of this file only
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* under the terms of either the GPL or the LGPL, and not to allow others to
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* use your version of this file under the terms of the MPL, indicate your
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* decision by deleting the provisions above and replace them with the notice
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* and other provisions required by the GPL or the LGPL. If you do not delete
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* the provisions above, a recipient may use your version of this file under
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* the terms of any one of the MPL, the GPL or the LGPL.
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*
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* ***** END LICENSE BLOCK ***** */
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#include "nsAEUtils.h"
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#include "nsAETokens.h"
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#include "nsAECoreClass.h"
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#include "nsAEApplicationClass.h"
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#include "nsAEDocumentClass.h"
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/*----------------------------------------------------------------------------
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AEDocumentClass
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----------------------------------------------------------------------------*/
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AEDocumentClass::AEDocumentClass()
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: AEGenericClass(cDocument, typeNull)
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{
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}
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/*----------------------------------------------------------------------------
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~AEDocumentClass
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----------------------------------------------------------------------------*/
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AEDocumentClass::~AEDocumentClass()
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{
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}
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#pragma mark -
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/*----------------------------------------------------------------------------
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PropertyFromApplicationAccessor
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----------------------------------------------------------------------------*/
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pascal OSErr AEDocumentClass::PropertyAccessor( DescType desiredClass,
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const AEDesc* containerToken,
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DescType containerClass,
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DescType keyForm,
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const AEDesc* keyData,
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AEDesc* resultToken,
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long refCon)
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{
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AEDocumentClass* docClass = reinterpret_cast<AEDocumentClass *>(refCon);
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if (!docClass) return paramErr;
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OSErr err = noErr;
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try
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{
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docClass->GetProperty(desiredClass, containerToken, containerClass, keyForm, keyData, resultToken);
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}
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catch(OSErr catchErr)
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{
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err = catchErr;
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}
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catch(...)
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{
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err = paramErr;
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}
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return err;
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}
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/*----------------------------------------------------------------------------
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GetItemFromContainer
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Not appropriate for the application
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----------------------------------------------------------------------------*/
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void AEDocumentClass::GetItemFromContainer( DescType desiredClass,
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const AEDesc* containerToken,
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DescType containerClass,
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DescType keyForm,
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const AEDesc* keyData,
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AEDesc* resultToken)
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{
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ThrowIfOSErr(errAEEventNotHandled);
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}
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/*----------------------------------------------------------------------------
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GetDocumentFromApp
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----------------------------------------------------------------------------*/
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void AEDocumentClass::GetDocumentFromApp( DescType desiredClass, // cDocument
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const AEDesc* containerToken, // null container
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DescType containerClass, // cApplication
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DescType keyForm,
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const AEDesc* keyData,
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AEDesc* resultToken) // specified Document is returned in result
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{
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OSErr err = noErr;
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DescType keyDataType = keyData->descriptorType;
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long index;
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long numItems;
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Boolean wantsAllItems = false;
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StAEDesc startObject; // These are used to resolve formRange
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StAEDesc stopObject;
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DocumentReference document;
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Str63 documentName;
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CoreTokenRecord token;
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numItems = CountDocuments();
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switch (keyForm)
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{
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case formName: // Document by name
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{
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if (DescToPString(keyData, documentName, 63) != noErr)
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{
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err = errAECoercionFail;
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}
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else
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{
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document = GetDocumentByName(documentName);
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if (document == nil)
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err = errAENoSuchObject;
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}
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}
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break;
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case formAbsolutePosition: // Document by number
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err = NormalizeAbsoluteIndex(keyData, &index, numItems, &wantsAllItems);
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if ((err == noErr) && (wantsAllItems == false))
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{
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document = GetDocumentByIndex(index);
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if (document == nil)
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err = errAEIllegalIndex;
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}
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break;
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case formRelativePosition:
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ProcessFormRelativePostition(containerToken, keyData, &document);
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break;
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case formRange:
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switch (keyDataType)
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{
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case typeRangeDescriptor:
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err = ProcessFormRange((AEDesc *)keyData, &startObject, &stopObject);
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if (err == noErr)
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{
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ConstAETokenDesc startTokenDesc(&startObject);
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ConstAETokenDesc stopTokenDesc(&startObject);
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DescType startType = startTokenDesc.GetDispatchClass();
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DescType stopType = stopTokenDesc.GetDispatchClass();
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if (startType != cDocument || stopType != cDocument)
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err = errAEWrongDataType;
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}
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break;
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default:
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err = errAEWrongDataType;
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break;
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}
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break;
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default:
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err = errAEEventNotHandled;
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break;
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}
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// if user asked for all items, and there aren't any,
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// we'll be kind and return an empty list.
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if (wantsAllItems && (err == errAENoSuchObject || err == errAEIllegalIndex))
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{
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err = AECreateList(NULL, 0, false, (AEDescList*)resultToken);
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ThrowIfOSErr(err);
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return;
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}
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ThrowIfOSErr(err);
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// fill in the result token
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token.dispatchClass = GetClass();
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token.objectClass = GetClass();
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token.propertyCode = typeNull;
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if (wantsAllItems)
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{
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err = AECreateList(NULL, 0, false, (AEDescList*)resultToken);
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if (err == noErr)
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{
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for (index = 1; index <= numItems; index++)
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{
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document = GetDocumentByIndex(index);
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ThrowIfOSErr(errAEEventNotHandled);
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token.documentID = GetDocumentID(document);
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err = AEPutPtr(resultToken, 0, desiredClass, &token, sizeof(token));
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ThrowIfOSErr(err);
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}
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}
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}
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else if (keyForm == formRange)
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{
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DocumentReference beginDocument;
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DocumentReference endDocument;
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long beginIndex;
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long endIndex;
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beginDocument = GetDocumentReferenceFromToken(&startObject);
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beginIndex = GetDocumentIndex(beginDocument);
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endDocument = GetDocumentReferenceFromToken(&stopObject);
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endIndex = GetDocumentIndex(endDocument);
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err = AECreateList(NULL, 0, false, (AEDescList*)resultToken);
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ThrowIfOSErr(err);
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if (beginIndex > endIndex) // swap elements
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{
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DocumentReference temp;
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temp = beginDocument;
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beginDocument = endDocument;
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endDocument = temp;
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}
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document = beginDocument;
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while (document != nil)
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{
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token.documentID = GetDocumentID(document);
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err = AEPutPtr(resultToken, 0, desiredClass, &token, sizeof(token));
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ThrowIfOSErr(err);
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if (document == endDocument)
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break;
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document = GetNextDocument(document);
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}
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}
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else
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{
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token.documentID = GetDocumentID(document);
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err = AECreateDesc(desiredClass, &token, sizeof(token), resultToken);
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}
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ThrowIfOSErr(err);
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}
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/*----------------------------------------------------------------------------
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DocumentAccessor
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Document from null accessor
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----------------------------------------------------------------------------*/
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pascal OSErr AEDocumentClass::DocumentAccessor( DescType desiredClass, // cDocument
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const AEDesc* containerToken, // null container
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DescType containerClass, // cApplication
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DescType keyForm,
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const AEDesc* keyData,
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AEDesc* resultToken, // specified Document is returned in result
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long refCon)
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{
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AEDocumentClass* docClass = reinterpret_cast<AEDocumentClass *>(refCon);
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if (!docClass) return paramErr;
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OSErr err = noErr;
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try
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{
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docClass->GetDocumentFromApp(desiredClass, containerToken, containerClass, keyForm, keyData, resultToken);
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}
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catch(OSErr catchErr)
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{
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err = catchErr;
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}
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catch(...)
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{
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err = paramErr;
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}
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return err;
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}
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#pragma mark -
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/*----------------------------------------------------------------------------
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ProcessFormRelativePostition
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----------------------------------------------------------------------------*/
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void AEDocumentClass::ProcessFormRelativePostition(const AEDesc* anchorToken, const AEDesc *keyData, DocumentReference *document)
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{
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ConstAETokenDesc tokenDesc(anchorToken);
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OSErr err = noErr;
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DescType positionEnum;
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DocumentReference anchorDocument;
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DocumentReference relativeDocument = nil;
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*document = nil;
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anchorDocument = GetDocumentReferenceFromToken(anchorToken);
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if (err == noErr)
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{
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switch (keyData->descriptorType)
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{
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case typeEnumerated:
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if (DescToDescType((AEDesc*)keyData, &positionEnum) != noErr)
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{
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err = errAECoercionFail;
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}
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else
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{
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switch (positionEnum)
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{
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case kAENext: // get the document behind the anchor
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*document = GetPreviousDocument(anchorDocument);
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if (*document == nil)
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err = errAENoSuchObject;
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break;
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case kAEPrevious: // get the document in front of the anchor
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*document = GetNextDocument(anchorDocument);
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if (*document == nil)
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err = errAENoSuchObject;
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break;
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default:
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err = errAEEventNotHandled;
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break;
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}
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}
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break;
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default:
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err = errAECoercionFail;
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break;
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}
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}
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ThrowIfOSErr(err);
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}
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#pragma mark -
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/*----------------------------------------------------------------------------
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CanGetProperty
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----------------------------------------------------------------------------*/
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Boolean AEDocumentClass::CanGetProperty(DescType property)
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{
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Boolean result = false;
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switch (property)
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{
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// Properties we can get:
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case pBestType:
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case pClass:
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case pDefaultType:
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case pObjectType:
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case pName:
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case pProperties:
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case pIsModified:
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result = true;
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break;
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// Properties we can't get:
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default:
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result = Inherited::CanGetProperty(property);
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break;
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}
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return result;
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}
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/*----------------------------------------------------------------------------
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CanSetProperty
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----------------------------------------------------------------------------*/
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Boolean AEDocumentClass::CanSetProperty(DescType property)
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{
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Boolean result = false;
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switch (property)
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{
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// Properties we can set:
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case pName:
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result = true;
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break;
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// Properties we can't set:
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case pBestType:
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case pClass:
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case pDefaultType:
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case pObjectType:
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case pProperties:
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case pIsModified:
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result = false;
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break;
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default:
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result = Inherited::CanSetProperty(property);
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break;
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}
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return result;
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}
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#pragma mark -
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/*----------------------------------------------------------------------------
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GetDataFromObject
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----------------------------------------------------------------------------*/
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void AEDocumentClass::GetDataFromObject(const AEDesc *token, AEDesc *desiredTypes, AEDesc *data)
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{
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OSErr err = noErr;
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Boolean usePropertyCode = false;
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DocumentReference document = nil;
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ConstAETokenDesc tokenDesc(token);
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DescType aType = cDocument;
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Str63 documentName;
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Boolean isModified;
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// ugh
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document = GetDocumentReferenceFromToken(token);
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ThrowIfOSErr(err);
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if (document == nil)
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ThrowIfOSErr(paramErr);
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GetDocumentName(document, documentName);
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isModified = DocumentIsModified(document);
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usePropertyCode = tokenDesc.UsePropertyCode();
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DescType propertyCode = tokenDesc.GetPropertyCode();
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switch (propertyCode)
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{
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case pProperties:
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err = AECreateList(NULL, 0L, true, data);
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ThrowIfOSErr(err);
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err = AEPutKeyPtr(data, pObjectType, typeType, &aType, sizeof(DescType));
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err = AEPutKeyPtr(data, pName, typeChar, &documentName[1], documentName[0]);
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err = AEPutKeyPtr(data, pIsModified, typeBoolean, &isModified, sizeof(Boolean));
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break;
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case pBestType:
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case pClass:
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case pDefaultType:
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case pObjectType:
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err = AECreateDesc(typeType, &aType, sizeof(DescType), data);
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break;
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case pName:
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err = AECreateDesc(typeChar, &documentName[1], documentName[0], data);
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break;
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case pIsModified:
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err = AECreateDesc(typeBoolean, &isModified, sizeof(Boolean), data);
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break;
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default:
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Inherited::GetDataFromObject(token, desiredTypes, data);
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break;
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}
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ThrowIfOSErr(err);
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}
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/*----------------------------------------------------------------------------
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SetDataForObject
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----------------------------------------------------------------------------*/
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void AEDocumentClass::SetDataForObject(const AEDesc *token, AEDesc *data)
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{
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OSErr err = noErr;
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Boolean usePropertyCode;
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DescType propertyCode;
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DocumentReference document = nil;
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ConstAETokenDesc tokenDesc(token);
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StAEDesc propertyRecord;
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usePropertyCode = tokenDesc.UsePropertyCode();
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document = GetDocumentReferenceFromToken(token);
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if (usePropertyCode == false)
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{
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err = errAEWriteDenied;
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}
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else
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{
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propertyCode = tokenDesc.GetPropertyCode();
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if (data->descriptorType == typeAERecord)
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{
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SetDocumentProperties(document, data);
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}
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else // Build a record with one property
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{
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err = AECreateList(NULL, 0L, true, &propertyRecord);
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ThrowIfOSErr(err);
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err = AEPutKeyDesc(&propertyRecord, propertyCode, data);
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ThrowIfOSErr(err);
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SetDocumentProperties(document, &propertyRecord);
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}
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}
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ThrowIfOSErr(err);
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}
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/*----------------------------------------------------------------------------
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SetDocumentProperties
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----------------------------------------------------------------------------*/
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void AEDocumentClass::SetDocumentProperties(DocumentReference document, AEDesc *propertyRecord)
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{
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}
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/*----------------------------------------------------------------------------
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CountDocuments
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----------------------------------------------------------------------------*/
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long AEDocumentClass::CountDocuments()
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{
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return 0;
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}
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/*----------------------------------------------------------------------------
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GetDocumentByName
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----------------------------------------------------------------------------*/
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DocumentReference AEDocumentClass::GetDocumentByName(ConstStr255Param docName)
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{
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return nil;
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}
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/*----------------------------------------------------------------------------
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GetDocumentByIndex
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----------------------------------------------------------------------------*/
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DocumentReference AEDocumentClass::GetDocumentByIndex(long index)
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{
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return nil;
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}
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/*----------------------------------------------------------------------------
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GetDocumentByID
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----------------------------------------------------------------------------*/
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DocumentReference AEDocumentClass::GetDocumentByID(long docID)
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{
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return nil;
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}
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/*----------------------------------------------------------------------------
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GetNextDocument
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----------------------------------------------------------------------------*/
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DocumentReference AEDocumentClass::GetNextDocument(DocumentReference docRef)
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{
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return nil;
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}
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/*----------------------------------------------------------------------------
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GetPreviousDocument
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----------------------------------------------------------------------------*/
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DocumentReference AEDocumentClass::GetPreviousDocument(DocumentReference docRef)
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{
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return nil;
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}
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/*----------------------------------------------------------------------------
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GetDocumentReferenceFromToken
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----------------------------------------------------------------------------*/
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DocumentReference AEDocumentClass::GetDocumentReferenceFromToken(const AEDesc *token)
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{
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ConstAETokenDesc tokenDesc(token);
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long docID = tokenDesc.GetDocumentID();
|
|
|
|
return GetDocumentByID(docID);
|
|
}
|
|
|
|
/*----------------------------------------------------------------------------
|
|
CloseWindowSaving
|
|
|
|
----------------------------------------------------------------------------*/
|
|
void AEDocumentClass::CloseWindowSaving(AEDesc *token, const AEDesc *saving, AEDesc *savingIn)
|
|
{
|
|
OSErr err = noErr;
|
|
DocumentReference document;
|
|
|
|
document = GetDocumentReferenceFromToken(token);
|
|
|
|
if (document != nil)
|
|
{
|
|
// DestroyDocument(document);
|
|
}
|
|
else
|
|
err = errAEEventNotHandled;
|
|
|
|
ThrowIfOSErr(err);
|
|
}
|
|
|
|
#pragma mark -
|
|
|
|
/*----------------------------------------------------------------------------
|
|
CreateSelfSpecifier
|
|
|
|
----------------------------------------------------------------------------*/
|
|
void AEDocumentClass::CreateSelfSpecifier(const AEDesc *token, AEDesc *outSpecifier)
|
|
{
|
|
ThrowIfOSErr(errAENoSuchObject);
|
|
}
|
|
|
|
#pragma mark -
|
|
|
|
/*----------------------------------------------------------------------------
|
|
GetDocumentID
|
|
|
|
----------------------------------------------------------------------------*/
|
|
long GetDocumentID(DocumentReference docRef)
|
|
{
|
|
return 0;
|
|
}
|
|
|
|
|
|
/*----------------------------------------------------------------------------
|
|
GetDocumentIndex
|
|
|
|
----------------------------------------------------------------------------*/
|
|
long GetDocumentIndex(DocumentReference docRef)
|
|
{
|
|
return 0;
|
|
}
|
|
|
|
/*----------------------------------------------------------------------------
|
|
GetDocumentIndex
|
|
|
|
----------------------------------------------------------------------------*/
|
|
void GetDocumentName(DocumentReference docRef, Str63 docName)
|
|
{
|
|
docName[0] = 0;
|
|
}
|
|
|
|
|
|
/*----------------------------------------------------------------------------
|
|
GetDocumentIndex
|
|
|
|
----------------------------------------------------------------------------*/
|
|
Boolean DocumentIsModified(DocumentReference docRef)
|
|
{
|
|
return false;
|
|
}
|
|
|