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gecko-dev/editor/base/nsEditorController.cpp

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/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*-
*
* The contents of this file are subject to the Netscape Public
* License Version 1.1 (the "License"); you may not use this file
* except in compliance with the License. You may obtain a copy of
* the License at http://www.mozilla.org/NPL/
*
* Software distributed under the License is distributed on an "AS
* IS" basis, WITHOUT WARRANTY OF ANY KIND, either express or
* implied. See the License for the specific language governing
* rights and limitations under the License.
*
* The Original Code is Mozilla Communicator client code.
*
* The Initial Developer of the Original Code is Netscape Communications
* Corporation. Portions created by Netscape are
* Copyright (C) 1998 Netscape Communications Corporation. All
* Rights Reserved.
*
* Contributor(s):
* Pierre Phaneuf <pp@ludusdesign.com>
* Ryan Cassin <rcassin@supernova.org>
*/
#include "nsIComponentManager.h"
#include "nsEditorController.h"
#include "nsIEditor.h"
#include "nsIEditorShell.h"
#include "nsIEditorMailSupport.h"
#include "nsIFormControlFrame.h"
#include "nsISelection.h"
#include "nsIHTMLEditor.h"
#include "nsISupportsPrimitives.h"
#include "nsXPIDLString.h"
#include "nsISelectionController.h"
#include "nsIDocument.h"
#include "nsIPresShell.h"
#include "nsEditorCommands.h"
#include "nsComposerCommands.h"
NS_IMPL_ADDREF(nsEditorController)
NS_IMPL_RELEASE(nsEditorController)
NS_INTERFACE_MAP_BEGIN(nsEditorController)
NS_INTERFACE_MAP_ENTRY(nsIController)
NS_INTERFACE_MAP_ENTRY(nsIEditorController)
NS_INTERFACE_MAP_ENTRY(nsIInterfaceRequestor)
NS_INTERFACE_MAP_ENTRY_AMBIGUOUS(nsISupports, nsIEditorController)
NS_INTERFACE_MAP_END
nsEditorController::nsEditorController()
: mCommandRefCon(nsnull)
{
NS_INIT_REFCNT();
}
nsEditorController::~nsEditorController()
{
}
NS_IMETHODIMP nsEditorController::Init(nsISupports *aCommandRefCon)
{
nsresult rv;
// get our ref to the singleton command manager
rv = GetEditorCommandManager(getter_AddRefs(mCommandManager));
if (NS_FAILED(rv)) return rv;
mCommandRefCon = aCommandRefCon; // no addref
return NS_OK;
}
NS_IMETHODIMP nsEditorController::SetCommandRefCon(nsISupports *aCommandRefCon)
{
mCommandRefCon = aCommandRefCon; // no addref
return NS_OK;
}
NS_IMETHODIMP nsEditorController::GetInterface(const nsIID & aIID, void * *result)
{
NS_ENSURE_ARG_POINTER(result);
if (NS_SUCCEEDED(QueryInterface(aIID, result)))
return NS_OK;
if (mCommandManager && aIID.Equals(NS_GET_IID(nsIControllerCommandManager)))
return mCommandManager->QueryInterface(aIID, result);
return NS_NOINTERFACE;
}
#define NS_REGISTER_ONE_COMMAND(_cmdClass, _cmdName) \
{ \
_cmdClass* theCmd; \
NS_NEWXPCOM(theCmd, _cmdClass); \
if (!theCmd) return NS_ERROR_OUT_OF_MEMORY; \
rv = inCommandManager->RegisterCommand(NS_ConvertASCIItoUCS2(_cmdName).GetUnicode(), \
NS_STATIC_CAST(nsIControllerCommand *, theCmd)); \
}
#define NS_REGISTER_FIRST_COMMAND(_cmdClass, _cmdName) \
{ \
_cmdClass* theCmd; \
NS_NEWXPCOM(theCmd, _cmdClass); \
if (!theCmd) return NS_ERROR_OUT_OF_MEMORY; \
rv = inCommandManager->RegisterCommand(NS_ConvertASCIItoUCS2(_cmdName).GetUnicode(), \
NS_STATIC_CAST(nsIControllerCommand *, theCmd));
#define NS_REGISTER_NEXT_COMMAND(_cmdClass, _cmdName) \
rv = inCommandManager->RegisterCommand(NS_ConvertASCIItoUCS2(_cmdName).GetUnicode(), \
NS_STATIC_CAST(nsIControllerCommand *, theCmd));
#define NS_REGISTER_LAST_COMMAND(_cmdClass, _cmdName) \
rv = inCommandManager->RegisterCommand(NS_ConvertASCIItoUCS2(_cmdName).GetUnicode(), \
NS_STATIC_CAST(nsIControllerCommand *, theCmd)); \
}
// static
nsresult nsEditorController::RegisterEditorCommands(nsIControllerCommandManager *inCommandManager)
{
nsresult rv;
// now register all our commands
// These are commands that will be used in text widgets, and in composer
NS_REGISTER_ONE_COMMAND(nsUndoCommand, "cmd_undo");
NS_REGISTER_ONE_COMMAND(nsRedoCommand, "cmd_redo");
NS_REGISTER_ONE_COMMAND(nsCutCommand, "cmd_cut");
NS_REGISTER_ONE_COMMAND(nsCopyCommand, "cmd_copy");
NS_REGISTER_ONE_COMMAND(nsSelectAllCommand, "cmd_selectAll");
NS_REGISTER_ONE_COMMAND(nsPasteCommand, "cmd_paste");
NS_REGISTER_FIRST_COMMAND(nsDeleteCommand, "cmd_delete");
NS_REGISTER_NEXT_COMMAND(nsDeleteCommand, "cmd_deleteCharBackward");
NS_REGISTER_NEXT_COMMAND(nsDeleteCommand, "cmd_deleteCharForward");
NS_REGISTER_NEXT_COMMAND(nsDeleteCommand, "cmd_deleteWordBackward");
NS_REGISTER_NEXT_COMMAND(nsDeleteCommand, "cmd_deleteWordForward");
NS_REGISTER_NEXT_COMMAND(nsDeleteCommand, "cmd_deleteToBeginningOfLine");
NS_REGISTER_LAST_COMMAND(nsDeleteCommand, "cmd_deleteToEndOfLine");
NS_REGISTER_FIRST_COMMAND(nsSelectionMoveCommands, "cmd_scrollTop");
NS_REGISTER_NEXT_COMMAND(nsSelectionMoveCommands, "cmd_scrollBottom");
NS_REGISTER_NEXT_COMMAND(nsSelectionMoveCommands, "cmd_moveTop");
NS_REGISTER_NEXT_COMMAND(nsSelectionMoveCommands, "cmd_moveBottom");
NS_REGISTER_NEXT_COMMAND(nsSelectionMoveCommands, "cmd_selectTop");
NS_REGISTER_NEXT_COMMAND(nsSelectionMoveCommands, "cmd_selectBottom");
NS_REGISTER_NEXT_COMMAND(nsSelectionMoveCommands, "cmd_lineNext");
NS_REGISTER_NEXT_COMMAND(nsSelectionMoveCommands, "cmd_linePrevious");
NS_REGISTER_NEXT_COMMAND(nsSelectionMoveCommands, "cmd_selectLineNext");
NS_REGISTER_NEXT_COMMAND(nsSelectionMoveCommands, "cmd_selectLinePrevious");
NS_REGISTER_NEXT_COMMAND(nsSelectionMoveCommands, "cmd_charPrevious");
NS_REGISTER_NEXT_COMMAND(nsSelectionMoveCommands, "cmd_charNext");
NS_REGISTER_NEXT_COMMAND(nsSelectionMoveCommands, "cmd_selectCharPrevious");
NS_REGISTER_NEXT_COMMAND(nsSelectionMoveCommands, "cmd_selectCharNext");
NS_REGISTER_NEXT_COMMAND(nsSelectionMoveCommands, "cmd_beginLine");
NS_REGISTER_NEXT_COMMAND(nsSelectionMoveCommands, "cmd_endLine");
NS_REGISTER_NEXT_COMMAND(nsSelectionMoveCommands, "cmd_selectBeginLine");
NS_REGISTER_NEXT_COMMAND(nsSelectionMoveCommands, "cmd_selectEndLine");
NS_REGISTER_NEXT_COMMAND(nsSelectionMoveCommands, "cmd_wordPrevious");
NS_REGISTER_NEXT_COMMAND(nsSelectionMoveCommands, "cmd_wordNext");
NS_REGISTER_NEXT_COMMAND(nsSelectionMoveCommands, "cmd_selectWordPrevious");
NS_REGISTER_NEXT_COMMAND(nsSelectionMoveCommands, "cmd_selectWordNext");
NS_REGISTER_NEXT_COMMAND(nsSelectionMoveCommands, "cmd_scrollPageUp");
NS_REGISTER_NEXT_COMMAND(nsSelectionMoveCommands, "cmd_scrollPageDown");
NS_REGISTER_NEXT_COMMAND(nsSelectionMoveCommands, "cmd_scrollLineUp");
NS_REGISTER_NEXT_COMMAND(nsSelectionMoveCommands, "cmd_scrollLineDown");
NS_REGISTER_NEXT_COMMAND(nsSelectionMoveCommands, "cmd_movePageUp");
NS_REGISTER_NEXT_COMMAND(nsSelectionMoveCommands, "cmd_movePageDown");
NS_REGISTER_NEXT_COMMAND(nsSelectionMoveCommands, "cmd_selectPageUp");
NS_REGISTER_LAST_COMMAND(nsSelectionMoveCommands, "cmd_selectPageDown");
return NS_OK;
}
/* =======================================================================
* nsIController
* ======================================================================= */
NS_IMETHODIMP nsEditorController::IsCommandEnabled(const PRUnichar *aCommand, PRBool *aResult)
{
NS_ENSURE_ARG_POINTER(aResult);
return mCommandManager->IsCommandEnabled(aCommand, mCommandRefCon, aResult);
}
NS_IMETHODIMP nsEditorController::SupportsCommand(const PRUnichar *aCommand, PRBool *aResult)
{
NS_ENSURE_ARG_POINTER(aResult);
return mCommandManager->SupportsCommand(aCommand, mCommandRefCon, aResult);
}
NS_IMETHODIMP nsEditorController::DoCommand(const PRUnichar *aCommand)
{
return mCommandManager->DoCommand(aCommand, mCommandRefCon);
}
NS_IMETHODIMP nsEditorController::OnEvent(const PRUnichar *aEventName)
{
NS_ENSURE_ARG_POINTER(aEventName);
return NS_OK;
}
PRBool nsEditorController::IsEnabled()
{
return PR_TRUE; // XXX: need to implement this
/*
PRUint32 flags=0;
NS_ENSURE_SUCCESS(mEditor->GetFlags(&flags), NS_ERROR_FAILURE);
check eEditorReadonlyBit and eEditorDisabledBit
*/
}
nsWeakPtr nsEditorController::sEditorCommandManager = NULL;
// static
nsresult nsEditorController::GetEditorCommandManager(nsIControllerCommandManager* *outCommandManager)
{
NS_ENSURE_ARG_POINTER(outCommandManager);
nsCOMPtr<nsIControllerCommandManager> cmdManager = do_QueryReferent(sEditorCommandManager);
if (!cmdManager)
{
nsresult rv;
cmdManager = do_CreateInstance("@mozilla.org/rdf/controller-command-manager;1", &rv);
if (NS_FAILED(rv)) return rv;
// register the commands. This just happens once per instance
rv = nsEditorController::RegisterEditorCommands(cmdManager);
if (NS_FAILED(rv)) return rv;
// save the singleton in our static weak reference
sEditorCommandManager = getter_AddRefs(NS_GetWeakReference(cmdManager, &rv));
if (NS_FAILED(rv)) return rv;
}
NS_ADDREF(*outCommandManager = cmdManager);
return NS_OK;
}
#ifdef XP_MAC
#pragma mark -
#endif
nsComposerController::nsComposerController()
{
}
nsComposerController::~nsComposerController()
{
}
NS_IMETHODIMP nsComposerController::Init(nsISupports *aCommandRefCon)
{
nsresult rv;
rv = nsEditorController::Init(aCommandRefCon);
if (NS_FAILED(rv)) return rv;
mCommandManager = do_CreateInstance("@mozilla.org/rdf/controller-command-manager;1", &rv);
if (NS_FAILED(rv)) return rv;
// register the commands.
rv = nsComposerController::RegisterComposerCommands(mCommandManager);
if (NS_FAILED(rv)) return rv;
return NS_OK;
}
#define NS_REGISTER_STYLE_COMMAND(_cmdClass, _cmdName, _styleTag) \
{ \
_cmdClass* theCmd = new _cmdClass(_styleTag); \
if (!theCmd) return NS_ERROR_OUT_OF_MEMORY; \
rv = inCommandManager->RegisterCommand(NS_ConvertASCIItoUCS2(_cmdName).GetUnicode(), \
NS_STATIC_CAST(nsIControllerCommand *, theCmd)); \
}
// static
nsresult nsComposerController::RegisterComposerCommands(nsIControllerCommandManager *inCommandManager)
{
nsresult rv;
// File menu
NS_REGISTER_FIRST_COMMAND(nsPrintingCommands, "cmd_print");
NS_REGISTER_NEXT_COMMAND(nsPrintingCommands, "cmd_printSetup");
NS_REGISTER_NEXT_COMMAND(nsPrintingCommands,"cmd_print_button");
NS_REGISTER_NEXT_COMMAND(nsPrintingCommands,"cmd_printSetup");
NS_REGISTER_LAST_COMMAND(nsPrintingCommands, "cmd_printPreview");
// Edit menu
NS_REGISTER_ONE_COMMAND(nsPasteQuotationCommand, "cmd_pasteQuote");
// indent/outdent
NS_REGISTER_ONE_COMMAND(nsIndentCommand, "cmd_indent");
NS_REGISTER_ONE_COMMAND(nsOutdentCommand, "cmd_outdent");
// Styles
NS_REGISTER_STYLE_COMMAND(nsStyleUpdatingCommand, "cmd_bold", "b");
NS_REGISTER_STYLE_COMMAND(nsStyleUpdatingCommand, "cmd_italic", "i");
NS_REGISTER_STYLE_COMMAND(nsStyleUpdatingCommand, "cmd_underline", "u");
NS_REGISTER_STYLE_COMMAND(nsStyleUpdatingCommand, "cmd_strikethrough", "strike");
NS_REGISTER_STYLE_COMMAND(nsStyleUpdatingCommand, "cmd_superscript", "sup");
NS_REGISTER_STYLE_COMMAND(nsStyleUpdatingCommand, "cmd_subscript", "sub");
NS_REGISTER_STYLE_COMMAND(nsStyleUpdatingCommand, "cmd_nobreak", "nobr");
NS_REGISTER_STYLE_COMMAND(nsStyleUpdatingCommand, "cmd_em", "em");
NS_REGISTER_STYLE_COMMAND(nsStyleUpdatingCommand, "cmd_strong", "strong");
NS_REGISTER_STYLE_COMMAND(nsStyleUpdatingCommand, "cmd_cite", "cite");
NS_REGISTER_STYLE_COMMAND(nsStyleUpdatingCommand, "cmd_abbr", "abbr");
NS_REGISTER_STYLE_COMMAND(nsStyleUpdatingCommand, "cmd_acronym", "acronym");
NS_REGISTER_STYLE_COMMAND(nsStyleUpdatingCommand, "cmd_code", "code");
NS_REGISTER_STYLE_COMMAND(nsStyleUpdatingCommand, "cmd_samp", "samp");
NS_REGISTER_STYLE_COMMAND(nsStyleUpdatingCommand, "cmd_var", "var");
// lists
NS_REGISTER_STYLE_COMMAND(nsListCommand, "cmd_ol", "ol");
NS_REGISTER_STYLE_COMMAND(nsListCommand, "cmd_ul", "ul");
NS_REGISTER_STYLE_COMMAND(nsListItemCommand, "cmd_dt", "dt");
NS_REGISTER_STYLE_COMMAND(nsListItemCommand, "cmd_dd", "dd");
NS_REGISTER_ONE_COMMAND(nsRemoveListCommand, "cmd_removeList");
// format stuff
NS_REGISTER_ONE_COMMAND(nsParagraphStateCommand, "cmd_paragraphState");
NS_REGISTER_ONE_COMMAND(nsFontFaceStateCommand, "cmd_fontFace");
NS_REGISTER_ONE_COMMAND(nsFontColorStateCommand, "cmd_fontColor");
NS_REGISTER_ONE_COMMAND(nsBackgroundColorStateCommand, "cmd_backgroundColor");
NS_REGISTER_ONE_COMMAND(nsAlignCommand, "cmd_align");
NS_REGISTER_ONE_COMMAND(nsRemoveStylesCommand, "cmd_removeStyles");
NS_REGISTER_ONE_COMMAND(nsIncreaseFontSizeCommand, "cmd_increaseFont");
NS_REGISTER_ONE_COMMAND(nsDecreaseFontSizeCommand, "cmd_decreaseFont");
return NS_OK;
}
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