зеркало из https://github.com/mozilla/gecko-dev.git
237 строки
9.4 KiB
C++
237 строки
9.4 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
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* License Version 1.1 (the "License"); you may not use this file
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* except in compliance with the License. You may obtain a copy of
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* the License at http://www.mozilla.org/NPL/
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*
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* Software distributed under the License is distributed on an "AS
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* IS" basis, WITHOUT WARRANTY OF ANY KIND, either express or
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* implied. See the License for the specific language governing
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* rights and limitations under the 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 Netscape Communications
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* Corporation. Portions created by Netscape are
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* Copyright (C) 1998 Netscape Communications Corporation. All
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* Rights Reserved.
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*
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* Contributor(s):
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* Pierre Phaneuf <pp@ludusdesign.com>
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* Ryan Cassin <rcassin@supernova.org>
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*/
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#include "nsString.h"
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#include "nsIComponentManager.h"
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#include "nsEditorController.h"
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#include "nsIEditor.h"
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#include "nsEditorCommands.h"
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NS_IMPL_ADDREF(nsEditorController)
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NS_IMPL_RELEASE(nsEditorController)
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NS_INTERFACE_MAP_BEGIN(nsEditorController)
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NS_INTERFACE_MAP_ENTRY(nsIController)
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NS_INTERFACE_MAP_ENTRY(nsIEditorController)
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NS_INTERFACE_MAP_ENTRY(nsIInterfaceRequestor)
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NS_INTERFACE_MAP_ENTRY_AMBIGUOUS(nsISupports, nsIEditorController)
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NS_INTERFACE_MAP_END
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nsEditorController::nsEditorController()
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: mCommandRefCon(nsnull)
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{
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NS_INIT_REFCNT();
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}
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nsEditorController::~nsEditorController()
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{
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}
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NS_IMETHODIMP nsEditorController::Init(nsISupports *aCommandRefCon)
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{
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nsresult rv;
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// get our ref to the singleton command manager
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rv = GetEditorCommandManager(getter_AddRefs(mCommandManager));
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if (NS_FAILED(rv)) return rv;
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mCommandRefCon = aCommandRefCon; // no addref
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return NS_OK;
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}
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NS_IMETHODIMP nsEditorController::SetCommandRefCon(nsISupports *aCommandRefCon)
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{
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mCommandRefCon = aCommandRefCon; // no addref
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return NS_OK;
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}
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NS_IMETHODIMP nsEditorController::GetInterface(const nsIID & aIID, void * *result)
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{
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NS_ENSURE_ARG_POINTER(result);
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if (NS_SUCCEEDED(QueryInterface(aIID, result)))
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return NS_OK;
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if (mCommandManager && aIID.Equals(NS_GET_IID(nsIControllerCommandManager)))
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return mCommandManager->QueryInterface(aIID, result);
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return NS_NOINTERFACE;
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}
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#define NS_REGISTER_ONE_COMMAND(_cmdClass, _cmdName) \
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{ \
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_cmdClass* theCmd; \
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NS_NEWXPCOM(theCmd, _cmdClass); \
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if (!theCmd) return NS_ERROR_OUT_OF_MEMORY; \
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rv = inCommandManager->RegisterCommand(NS_LITERAL_STRING(_cmdName), \
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NS_STATIC_CAST(nsIControllerCommand *, theCmd)); \
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}
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#define NS_REGISTER_FIRST_COMMAND(_cmdClass, _cmdName) \
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{ \
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_cmdClass* theCmd; \
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NS_NEWXPCOM(theCmd, _cmdClass); \
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if (!theCmd) return NS_ERROR_OUT_OF_MEMORY; \
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rv = inCommandManager->RegisterCommand(NS_LITERAL_STRING(_cmdName), \
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NS_STATIC_CAST(nsIControllerCommand *, theCmd));
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#define NS_REGISTER_NEXT_COMMAND(_cmdClass, _cmdName) \
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rv = inCommandManager->RegisterCommand(NS_LITERAL_STRING(_cmdName), \
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NS_STATIC_CAST(nsIControllerCommand *, theCmd));
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#define NS_REGISTER_LAST_COMMAND(_cmdClass, _cmdName) \
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rv = inCommandManager->RegisterCommand(NS_LITERAL_STRING(_cmdName), \
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NS_STATIC_CAST(nsIControllerCommand *, theCmd)); \
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}
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// static
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nsresult nsEditorController::RegisterEditorCommands(nsIControllerCommandManager *inCommandManager)
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{
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nsresult rv;
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// now register all our commands
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// These are commands that will be used in text widgets, and in composer
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NS_REGISTER_ONE_COMMAND(nsUndoCommand, "cmd_undo");
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NS_REGISTER_ONE_COMMAND(nsRedoCommand, "cmd_redo");
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NS_REGISTER_ONE_COMMAND(nsCutCommand, "cmd_cut");
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NS_REGISTER_ONE_COMMAND(nsCutOrDeleteCommand, "cmd_cutOrDelete");
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NS_REGISTER_ONE_COMMAND(nsCopyCommand, "cmd_copy");
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NS_REGISTER_ONE_COMMAND(nsCopyOrDeleteCommand, "cmd_copyOrDelete");
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NS_REGISTER_ONE_COMMAND(nsSelectAllCommand, "cmd_selectAll");
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NS_REGISTER_ONE_COMMAND(nsPasteCommand, "cmd_paste");
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NS_REGISTER_FIRST_COMMAND(nsDeleteCommand, "cmd_delete");
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NS_REGISTER_NEXT_COMMAND(nsDeleteCommand, "cmd_deleteCharBackward");
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NS_REGISTER_NEXT_COMMAND(nsDeleteCommand, "cmd_deleteCharForward");
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NS_REGISTER_NEXT_COMMAND(nsDeleteCommand, "cmd_deleteWordBackward");
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NS_REGISTER_NEXT_COMMAND(nsDeleteCommand, "cmd_deleteWordForward");
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NS_REGISTER_NEXT_COMMAND(nsDeleteCommand, "cmd_deleteToBeginningOfLine");
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NS_REGISTER_LAST_COMMAND(nsDeleteCommand, "cmd_deleteToEndOfLine");
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NS_REGISTER_FIRST_COMMAND(nsSelectionMoveCommands, "cmd_scrollTop");
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NS_REGISTER_NEXT_COMMAND(nsSelectionMoveCommands, "cmd_scrollBottom");
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NS_REGISTER_NEXT_COMMAND(nsSelectionMoveCommands, "cmd_moveTop");
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NS_REGISTER_NEXT_COMMAND(nsSelectionMoveCommands, "cmd_moveBottom");
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NS_REGISTER_NEXT_COMMAND(nsSelectionMoveCommands, "cmd_selectTop");
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NS_REGISTER_NEXT_COMMAND(nsSelectionMoveCommands, "cmd_selectBottom");
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NS_REGISTER_NEXT_COMMAND(nsSelectionMoveCommands, "cmd_lineNext");
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NS_REGISTER_NEXT_COMMAND(nsSelectionMoveCommands, "cmd_linePrevious");
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NS_REGISTER_NEXT_COMMAND(nsSelectionMoveCommands, "cmd_selectLineNext");
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NS_REGISTER_NEXT_COMMAND(nsSelectionMoveCommands, "cmd_selectLinePrevious");
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NS_REGISTER_NEXT_COMMAND(nsSelectionMoveCommands, "cmd_charPrevious");
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NS_REGISTER_NEXT_COMMAND(nsSelectionMoveCommands, "cmd_charNext");
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NS_REGISTER_NEXT_COMMAND(nsSelectionMoveCommands, "cmd_selectCharPrevious");
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NS_REGISTER_NEXT_COMMAND(nsSelectionMoveCommands, "cmd_selectCharNext");
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NS_REGISTER_NEXT_COMMAND(nsSelectionMoveCommands, "cmd_beginLine");
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NS_REGISTER_NEXT_COMMAND(nsSelectionMoveCommands, "cmd_endLine");
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NS_REGISTER_NEXT_COMMAND(nsSelectionMoveCommands, "cmd_selectBeginLine");
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NS_REGISTER_NEXT_COMMAND(nsSelectionMoveCommands, "cmd_selectEndLine");
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NS_REGISTER_NEXT_COMMAND(nsSelectionMoveCommands, "cmd_wordPrevious");
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NS_REGISTER_NEXT_COMMAND(nsSelectionMoveCommands, "cmd_wordNext");
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NS_REGISTER_NEXT_COMMAND(nsSelectionMoveCommands, "cmd_selectWordPrevious");
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NS_REGISTER_NEXT_COMMAND(nsSelectionMoveCommands, "cmd_selectWordNext");
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NS_REGISTER_NEXT_COMMAND(nsSelectionMoveCommands, "cmd_scrollPageUp");
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NS_REGISTER_NEXT_COMMAND(nsSelectionMoveCommands, "cmd_scrollPageDown");
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NS_REGISTER_NEXT_COMMAND(nsSelectionMoveCommands, "cmd_scrollLineUp");
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NS_REGISTER_NEXT_COMMAND(nsSelectionMoveCommands, "cmd_scrollLineDown");
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NS_REGISTER_NEXT_COMMAND(nsSelectionMoveCommands, "cmd_movePageUp");
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NS_REGISTER_NEXT_COMMAND(nsSelectionMoveCommands, "cmd_movePageDown");
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NS_REGISTER_NEXT_COMMAND(nsSelectionMoveCommands, "cmd_selectPageUp");
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NS_REGISTER_LAST_COMMAND(nsSelectionMoveCommands, "cmd_selectPageDown");
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return NS_OK;
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}
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/* =======================================================================
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* nsIController
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* ======================================================================= */
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NS_IMETHODIMP nsEditorController::IsCommandEnabled(const nsAReadableString & aCommand, PRBool *aResult)
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{
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NS_ENSURE_ARG_POINTER(aResult);
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return mCommandManager->IsCommandEnabled(aCommand, mCommandRefCon, aResult);
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}
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NS_IMETHODIMP nsEditorController::SupportsCommand(const nsAReadableString & aCommand, PRBool *aResult)
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{
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NS_ENSURE_ARG_POINTER(aResult);
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return mCommandManager->SupportsCommand(aCommand, mCommandRefCon, aResult);
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}
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NS_IMETHODIMP nsEditorController::DoCommand(const nsAReadableString & aCommand)
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{
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return mCommandManager->DoCommand(aCommand, mCommandRefCon);
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}
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NS_IMETHODIMP nsEditorController::OnEvent(const nsAReadableString & aEventName)
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{
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return NS_OK;
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}
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PRBool nsEditorController::IsEnabled()
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{
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return PR_TRUE; // XXX: need to implement this
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/*
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PRUint32 flags=0;
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NS_ENSURE_SUCCESS(mEditor->GetFlags(&flags), NS_ERROR_FAILURE);
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check eEditorReadonlyBit and eEditorDisabledBit
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*/
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}
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nsWeakPtr nsEditorController::sEditorCommandManager = NULL;
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// static
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nsresult nsEditorController::GetEditorCommandManager(nsIControllerCommandManager* *outCommandManager)
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{
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NS_ENSURE_ARG_POINTER(outCommandManager);
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nsCOMPtr<nsIControllerCommandManager> cmdManager = do_QueryReferent(sEditorCommandManager);
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if (!cmdManager)
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{
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nsresult rv;
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cmdManager = do_CreateInstance("@mozilla.org/content/controller-command-manager;1", &rv);
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if (NS_FAILED(rv)) return rv;
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// register the commands. This just happens once per instance
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rv = nsEditorController::RegisterEditorCommands(cmdManager);
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if (NS_FAILED(rv)) return rv;
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// save the singleton in our static weak reference
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sEditorCommandManager = getter_AddRefs(NS_GetWeakReference(cmdManager, &rv));
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if (NS_FAILED(rv)) return rv;
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}
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NS_ADDREF(*outCommandManager = cmdManager);
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return NS_OK;
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}
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