зеркало из https://github.com/mozilla/pjs.git
237 строки
7.4 KiB
C++
237 строки
7.4 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.org 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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* Michael Judge <mjudge@netscape.com>
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* Charles Manske <cmanske@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 "nsIGenericFactory.h"
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#include "nsEditorCID.h"
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#include "nsEditor.h" // for gInstanceCount
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#include "nsPlaintextEditor.h"
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#include "nsEditorController.h" //CID
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#include "nsIController.h"
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#include "nsIControllerContext.h"
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#include "nsIControllerCommandTable.h"
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#include "nsIServiceManager.h"
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#include "nsIObserver.h"
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#include "nsIObserverService.h"
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#include "nsCOMPtr.h"
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#ifndef MOZILLA_PLAINTEXT_EDITOR_ONLY
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#include "nsHTMLEditor.h"
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#include "nsTextServicesDocument.h"
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#include "nsTextServicesCID.h"
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#endif
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#define NS_EDITORCOMMANDTABLE_CID \
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{ 0x8b975b0a, 0x6ae5, 0x11d7, { 0xa44c, 0x00, 0x03, 0x93, 0x63, 0x65, 0x92 } }
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static NS_DEFINE_CID(kEditorCommandTableCID, NS_EDITORCOMMANDTABLE_CID);
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PR_STATIC_CALLBACK(nsresult) Initialize(nsIModule* self);
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static void Shutdown();
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class EditorShutdownObserver : public nsIObserver
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{
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public:
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NS_DECL_ISUPPORTS
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NS_DECL_NSIOBSERVER
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};
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NS_IMPL_ISUPPORTS1(EditorShutdownObserver, nsIObserver)
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NS_IMETHODIMP
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EditorShutdownObserver::Observe(nsISupports *aSubject,
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const char *aTopic,
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const PRUnichar *someData)
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{
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if (!strcmp(aTopic, NS_XPCOM_SHUTDOWN_OBSERVER_ID))
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Shutdown();
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return NS_OK;
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}
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static PRBool gInitialized = PR_FALSE;
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PR_STATIC_CALLBACK(nsresult)
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Initialize(nsIModule* self)
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{
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NS_PRECONDITION(!gInitialized, "module already initialized");
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if (gInitialized) {
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return NS_OK;
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}
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gInitialized = PR_TRUE;
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#ifndef MOZILLA_PLAINTEXT_EDITOR_ONLY
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nsEditProperty::RegisterAtoms();
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nsTextServicesDocument::RegisterAtoms();
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#endif
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// Add our shutdown observer.
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nsCOMPtr<nsIObserverService> observerService =
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do_GetService("@mozilla.org/observer-service;1");
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if (observerService) {
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nsCOMPtr<EditorShutdownObserver> observer =
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new EditorShutdownObserver();
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if (!observer) {
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Shutdown();
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return NS_ERROR_OUT_OF_MEMORY;
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}
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observerService->AddObserver(observer, NS_XPCOM_SHUTDOWN_OBSERVER_ID, PR_FALSE);
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} else {
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NS_WARNING("Could not get an observer service. We will leak on shutdown.");
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}
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return NS_OK;
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}
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// static
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void
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Shutdown()
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{
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NS_PRECONDITION(gInitialized, "module not initialized");
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if (!gInitialized)
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return;
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#ifndef MOZILLA_PLAINTEXT_EDITOR_ONLY
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nsHTMLEditor::Shutdown();
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nsTextServicesDocument::Shutdown();
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#endif
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}
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NS_GENERIC_FACTORY_CONSTRUCTOR(nsPlaintextEditor)
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// Constructor of a controller which is set up to use, internally, a
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// singleton command-table pre-filled with editor commands.
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static NS_METHOD
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nsEditorControllerConstructor(nsISupports *aOuter, REFNSIID aIID,
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void **aResult)
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{
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nsresult rv;
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nsCOMPtr<nsIController> controller = do_CreateInstance("@mozilla.org/embedcomp/base-command-controller;1", &rv);
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if (NS_FAILED(rv)) return rv;
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nsCOMPtr<nsIControllerCommandTable> editorCommandTable = do_GetService(kEditorCommandTableCID, &rv);
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if (NS_FAILED(rv)) return rv;
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// this guy is a singleton, so make it immutable
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editorCommandTable->MakeImmutable();
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nsCOMPtr<nsIControllerContext> controllerContext = do_QueryInterface(controller, &rv);
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if (NS_FAILED(rv)) return rv;
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rv = controllerContext->Init(editorCommandTable);
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if (NS_FAILED(rv)) return rv;
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return controller->QueryInterface(aIID, aResult);
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}
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// Constructor for a command-table pref-filled with editor commands
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static NS_METHOD
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nsEditorCommandTableConstructor(nsISupports *aOuter, REFNSIID aIID,
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void **aResult)
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{
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nsresult rv;
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nsCOMPtr<nsIControllerCommandTable> commandTable =
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do_CreateInstance(NS_CONTROLLERCOMMANDTABLE_CONTRACTID, &rv);
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if (NS_FAILED(rv)) return rv;
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rv = nsEditorController::RegisterEditorCommands(commandTable);
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if (NS_FAILED(rv)) return rv;
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// we don't know here whether we're being created as an instance,
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// or a service, so we can't become immutable
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return commandTable->QueryInterface(aIID, aResult);
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}
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#ifndef MOZILLA_PLAINTEXT_EDITOR_ONLY
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NS_GENERIC_FACTORY_CONSTRUCTOR(nsTextServicesDocument)
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#ifdef ENABLE_EDITOR_API_LOG
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#include "nsHTMLEditorLog.h"
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NS_GENERIC_FACTORY_CONSTRUCTOR(nsHTMLEditorLog)
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#else
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NS_GENERIC_FACTORY_CONSTRUCTOR(nsHTMLEditor)
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#endif
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#endif
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////////////////////////////////////////////////////////////////////////
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// Define a table of CIDs implemented by this module along with other
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// information like the function to create an instance, contractid, and
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// class name.
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//
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static const nsModuleComponentInfo components[] = {
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{ "Text Editor", NS_TEXTEDITOR_CID,
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"@mozilla.org/editor/texteditor;1", nsPlaintextEditorConstructor, },
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#ifndef MOZILLA_PLAINTEXT_EDITOR_ONLY
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#ifdef ENABLE_EDITOR_API_LOG
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{ "HTML Editor", NS_HTMLEDITOR_CID,
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"@mozilla.org/editor/htmleditor;1", nsHTMLEditorLogConstructor, },
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#else
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{ "HTML Editor", NS_HTMLEDITOR_CID,
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"@mozilla.org/editor/htmleditor;1", nsHTMLEditorConstructor, },
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#endif
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#endif
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{ "Editor Controller", NS_EDITORCONTROLLER_CID,
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"@mozilla.org/editor/editorcontroller;1",
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nsEditorControllerConstructor, },
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{ "Editor Command Table", NS_EDITORCOMMANDTABLE_CID,
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"", // no point in using a contract ID
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nsEditorCommandTableConstructor, },
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#ifndef MOZILLA_PLAINTEXT_EDITOR_ONLY
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{ NULL, NS_TEXTSERVICESDOCUMENT_CID,
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"@mozilla.org/textservices/textservicesdocument;1",
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nsTextServicesDocumentConstructor },
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#endif
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};
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////////////////////////////////////////////////////////////////////////
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// Implement the NSGetModule() exported function for your module
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// and the entire implementation of the module object.
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//
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NS_IMPL_NSGETMODULE_WITH_CTOR(nsEditorModule, components, Initialize)
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