зеркало из https://github.com/mozilla/gecko-dev.git
774 строки
20 KiB
C++
774 строки
20 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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*
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*/
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#include "nsIEditor.h"
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#include "nsIHTMLEditor.h"
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#include "nsIEditorShell.h"
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#include "nsIDOMSelection.h"
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#include "nsIDOMNode.h"
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#include "nsIDOMElement.h"
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#include "nsIDOMWindow.h"
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#include "nsIDOMDocument.h"
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#include "nsIClipboard.h"
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#include "nsXPIDLString.h"
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#include "nsComposerCommands.h"
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// utility methods
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//---------------------------------------------------------------------------
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static PRBool XULNodeExists(nsIEditorShell* aEditorShell, const char* nodeID)
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//---------------------------------------------------------------------------
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{
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nsCOMPtr<nsIDOMWindow> webshellWindow;
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aEditorShell->GetWebShellWindow(getter_AddRefs(webshellWindow));
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nsCOMPtr<nsIDOMDocument> chromeDoc;
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webshellWindow->GetDocument(getter_AddRefs(chromeDoc));
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if (!chromeDoc) return PR_FALSE;
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nsCOMPtr<nsIDOMElement> elem;
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nsresult rv = chromeDoc->GetElementById( NS_ConvertASCIItoUCS2(nodeID), getter_AddRefs(elem) );
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return NS_SUCCEEDED(rv) && (elem.get() != nsnull);
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}
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//---------------------------------------------------------------------------
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static nsresult SetNodeAttribute(nsIEditorShell* aEditorShell, const PRUnichar* nodeID,
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const PRUnichar* attributeName, const nsString& newValue)
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//---------------------------------------------------------------------------
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{
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nsCOMPtr<nsIDOMWindow> webshellWindow;
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aEditorShell->GetWebShellWindow(getter_AddRefs(webshellWindow));
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nsCOMPtr<nsIDOMDocument> chromeDoc;
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webshellWindow->GetDocument(getter_AddRefs(chromeDoc));
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if (!chromeDoc) return PR_FALSE;
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nsCOMPtr<nsIDOMElement> elem;
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nsresult rv = chromeDoc->GetElementById( nsAutoString(nodeID), getter_AddRefs(elem) );
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if (NS_FAILED(rv) || !elem) return rv;
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return elem->SetAttribute(nsAutoString(attributeName), newValue);
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}
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//---------------------------------------------------------------------------
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static nsresult GetNodeAttribute(nsIEditorShell* aEditorShell, const PRUnichar* nodeID,
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const PRUnichar* attributeName, nsString& outValue)
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//---------------------------------------------------------------------------
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{
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nsCOMPtr<nsIDOMWindow> webshellWindow;
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aEditorShell->GetWebShellWindow(getter_AddRefs(webshellWindow));
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nsCOMPtr<nsIDOMDocument> chromeDoc;
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webshellWindow->GetDocument(getter_AddRefs(chromeDoc));
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if (!chromeDoc) return PR_FALSE;
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nsCOMPtr<nsIDOMElement> elem;
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nsresult rv = chromeDoc->GetElementById( nsAutoString(nodeID), getter_AddRefs(elem) );
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if (NS_FAILED(rv) || !elem) return rv;
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return elem->GetAttribute(nsAutoString(attributeName), outValue);
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}
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#ifdef XP_MAC
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#pragma mark -
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#endif
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nsBaseStateUpdatingCommand::nsBaseStateUpdatingCommand(const char* aTagName)
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: nsBaseCommand()
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, mTagName(aTagName)
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{
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}
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nsBaseStateUpdatingCommand::~nsBaseStateUpdatingCommand()
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{
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}
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NS_IMPL_ISUPPORTS_INHERITED1(nsBaseStateUpdatingCommand, nsBaseCommand, nsIStateUpdatingControllerCommand);
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NS_IMETHODIMP
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nsBaseStateUpdatingCommand::IsCommandEnabled(const PRUnichar *aCommand, nsISupports * refCon, PRBool *outCmdEnabled)
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{
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nsCOMPtr<nsIEditorShell> editorShell = do_QueryInterface(refCon);
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*outCmdEnabled = PR_FALSE;
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if (!editorShell) return NS_OK;
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// check for plain text?
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nsCOMPtr<nsIEditor> editor;
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editorShell->GetEditor(getter_AddRefs(editor));
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if (!editor) return NS_OK;
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*outCmdEnabled = PR_TRUE;
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// also udpate the command state
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return UpdateCommandState(aCommand, refCon);
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}
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NS_IMETHODIMP
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nsBaseStateUpdatingCommand::DoCommand(const PRUnichar *aCommand, nsISupports * refCon)
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{
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nsCOMPtr<nsIEditorShell> editorShell = do_QueryInterface(refCon);
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if (!editorShell) return NS_ERROR_NOT_INITIALIZED;
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return ToggleState(editorShell, mTagName);
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}
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NS_IMETHODIMP
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nsBaseStateUpdatingCommand::UpdateCommandState(const PRUnichar *aCommandName, nsISupports * refCon)
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{
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nsCOMPtr<nsIEditorShell> editorShell = do_QueryInterface(refCon);
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nsresult rv = NS_OK;
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if (editorShell)
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{
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PRBool stateIsSet;
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rv = GetCurrentState(editorShell, mTagName, stateIsSet);
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if (NS_FAILED(rv)) return rv;
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PRBool oldState = !stateIsSet;
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// what was it last set to?
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void* stateData;
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if (NS_SUCCEEDED(editorShell->GetCommandStateData(aCommandName, &stateData)))
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oldState = (PRBool)stateData;
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if (stateIsSet != oldState)
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{
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// poke the UI
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rv = SetNodeAttribute(editorShell, aCommandName, NS_ConvertASCIItoUCS2("state").GetUnicode(),
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NS_ConvertASCIItoUCS2(stateIsSet ? "true" : "false"));
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editorShell->SetCommandStateData(aCommandName, (void*)stateIsSet);
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}
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}
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return rv;
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}
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#ifdef XP_MAC
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#pragma mark -
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#endif
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NS_IMETHODIMP
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nsAlwaysEnabledCommands::IsCommandEnabled(const PRUnichar *aCommand, nsISupports * refCon, PRBool *outCmdEnabled)
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{
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nsCOMPtr<nsIEditorShell> editorShell = do_QueryInterface(refCon);
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*outCmdEnabled = (editorShell.get() != nsnull); // enabled if we have an editorShell
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return NS_OK;
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}
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NS_IMETHODIMP
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nsAlwaysEnabledCommands::DoCommand(const PRUnichar *aCommand, nsISupports * refCon)
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{
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nsCOMPtr<nsIEditorShell> editorShell = do_QueryInterface(refCon);
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if (!editorShell) return NS_ERROR_NULL_POINTER;
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nsresult rv = NS_OK;
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nsAutoString cmdString(aCommand);
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/*
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if (cmdString.EqualsWithConversion("cmd_scrollTop"))
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return selCont->CompleteScroll(PR_FALSE);
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else if (cmdString.EqualsWithConversion("cmd_scrollBottom"))
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return selCont->CompleteScroll(PR_TRUE);
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*/
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return rv;
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}
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#ifdef XP_MAC
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#pragma mark -
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#endif
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NS_IMETHODIMP
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nsCloseCommand::IsCommandEnabled(const PRUnichar *aCommand, nsISupports * refCon, PRBool *outCmdEnabled)
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{
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nsCOMPtr<nsIEditorShell> editorShell = do_QueryInterface(refCon);
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*outCmdEnabled = PR_FALSE;
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if (editorShell)
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{
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*outCmdEnabled = PR_TRUE; // check if loading etc?
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}
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return NS_OK;
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}
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NS_IMETHODIMP
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nsCloseCommand::DoCommand(const PRUnichar *aCommand, nsISupports * refCon)
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{
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nsCOMPtr<nsIEditorShell> editorShell = do_QueryInterface(refCon);
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nsresult rv = NS_OK;
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if (editorShell)
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{
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PRBool wasConfirmed;
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rv = editorShell->CloseWindow(&wasConfirmed);
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}
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return rv;
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}
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#ifdef XP_MAC
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#pragma mark -
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#endif
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NS_IMETHODIMP
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nsPrintingCommands::IsCommandEnabled(const PRUnichar *aCommand, nsISupports * refCon, PRBool *outCmdEnabled)
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{
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nsCOMPtr<nsIEditorShell> editorShell = do_QueryInterface(refCon);
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*outCmdEnabled = PR_FALSE;
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if (!editorShell) return NS_OK;
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nsAutoString cmdString(aCommand);
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if (cmdString.EqualsWithConversion("cmd_print"))
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*outCmdEnabled = PR_TRUE;
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else if (cmdString.EqualsWithConversion("cmd_printSetup"))
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*outCmdEnabled = PR_FALSE; // not implemented yet
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else if (cmdString.EqualsWithConversion("cmd_printPreview"))
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*outCmdEnabled = PR_FALSE; // not implemented yet
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return NS_OK;
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}
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NS_IMETHODIMP
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nsPrintingCommands::DoCommand(const PRUnichar *aCommand, nsISupports * refCon)
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{
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nsCOMPtr<nsIEditorShell> editorShell = do_QueryInterface(refCon);
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if (!editorShell) return NS_ERROR_NULL_POINTER;
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nsresult rv = NS_OK;
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nsAutoString cmdString(aCommand);
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if (cmdString.EqualsWithConversion("cmd_print"))
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rv = editorShell->Print();
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else if (cmdString.EqualsWithConversion("cmd_printSetup"))
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rv = NS_ERROR_NOT_IMPLEMENTED;
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else if (cmdString.EqualsWithConversion("cmd_printPreview"))
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rv = NS_ERROR_NOT_IMPLEMENTED;
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return rv;
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}
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#ifdef XP_MAC
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#pragma mark -
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#endif
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NS_IMETHODIMP
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nsSaveCommand::IsCommandEnabled(const PRUnichar *aCommand, nsISupports * refCon, PRBool *outCmdEnabled)
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{
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nsCOMPtr<nsIEditorShell> editorShell = do_QueryInterface(refCon);
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*outCmdEnabled = PR_FALSE;
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if (editorShell)
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{
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PRBool docModified;
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if (NS_SUCCEEDED(editorShell->GetDocumentModified(&docModified)))
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*outCmdEnabled = docModified;
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}
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return NS_OK;
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}
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NS_IMETHODIMP
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nsSaveCommand::DoCommand(const PRUnichar *aCommand, nsISupports * refCon)
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{
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nsCOMPtr<nsIEditorShell> editorShell = do_QueryInterface(refCon);
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nsresult rv = NS_OK;
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if (editorShell)
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{
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PRBool wasSaved;
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rv = editorShell->SaveDocument(PR_FALSE, PR_FALSE, &wasSaved);
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}
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return rv;
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}
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#ifdef XP_MAC
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#pragma mark -
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#endif
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NS_IMETHODIMP
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nsSaveAsCommand::IsCommandEnabled(const PRUnichar *aCommand, nsISupports * refCon, PRBool *outCmdEnabled)
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{
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nsCOMPtr<nsIEditorShell> editorShell = do_QueryInterface(refCon);
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*outCmdEnabled = (editorShell.get() != nsnull);
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return NS_OK;
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}
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NS_IMETHODIMP
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nsSaveAsCommand::DoCommand(const PRUnichar *aCommand, nsISupports * refCon)
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{
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nsCOMPtr<nsIEditorShell> editorShell = do_QueryInterface(refCon);
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nsresult rv = NS_OK;
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if (editorShell)
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{
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PRBool wasSaved;
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rv = editorShell->SaveDocument(PR_TRUE, PR_FALSE, &wasSaved);
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}
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return rv;
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}
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#ifdef XP_MAC
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#pragma mark -
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#endif
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NS_IMETHODIMP
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nsPasteQuotationCommand::IsCommandEnabled(const PRUnichar *aCommand, nsISupports * refCon, PRBool *outCmdEnabled)
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{
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nsCOMPtr<nsIEditorShell> editorShell = do_QueryInterface(refCon);
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*outCmdEnabled = PR_FALSE;
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if (editorShell)
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{
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nsCOMPtr<nsIEditor> editor;
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editorShell->GetEditor(getter_AddRefs(editor));
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if (editor)
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editor->CanPaste(nsIClipboard::kGlobalClipboard, *outCmdEnabled);
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}
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return NS_OK;
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}
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NS_IMETHODIMP
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nsPasteQuotationCommand::DoCommand(const PRUnichar *aCommand, nsISupports * refCon)
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{
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nsCOMPtr<nsIEditorShell> editorShell = do_QueryInterface(refCon);
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nsresult rv = NS_OK;
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if (editorShell)
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{
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rv = editorShell->PasteAsQuotation(nsIClipboard::kGlobalClipboard);
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}
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return rv;
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}
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#ifdef XP_MAC
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#pragma mark -
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#endif
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nsStyleUpdatingCommand::nsStyleUpdatingCommand(const char* aTagName)
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: nsBaseStateUpdatingCommand(aTagName)
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{
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}
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nsresult
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nsStyleUpdatingCommand::GetCurrentState(nsIEditorShell *aEditorShell, const char* aTagName, PRBool& outStyleSet)
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{
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NS_ASSERTION(aEditorShell, "Need editor shell here");
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nsresult rv = NS_OK;
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PRBool firstOfSelectionHasProp = PR_FALSE;
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PRBool anyOfSelectionHasProp = PR_FALSE;
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PRBool allOfSelectionHasProp = PR_FALSE;
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nsCOMPtr<nsIEditor> editor;
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aEditorShell->GetEditor(getter_AddRefs(editor));
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nsCOMPtr<nsIHTMLEditor> htmlEditor = do_QueryInterface(editor);
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if (!htmlEditor) return NS_ERROR_NOT_INITIALIZED;
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nsCOMPtr<nsIAtom> styleAtom = getter_AddRefs(NS_NewAtom(aTagName));
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rv = htmlEditor->GetInlineProperty(styleAtom, nsnull, nsnull, firstOfSelectionHasProp, anyOfSelectionHasProp, allOfSelectionHasProp);
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outStyleSet = allOfSelectionHasProp; // change this to alter the behaviour
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return rv;
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}
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nsresult
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nsStyleUpdatingCommand::ToggleState(nsIEditorShell *aEditorShell, const char* aTagName)
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{
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PRBool styleSet;
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nsresult rv = GetCurrentState(aEditorShell, aTagName, styleSet);
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if (NS_FAILED(rv)) return rv;
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nsAutoString tagName; tagName.AssignWithConversion(aTagName);
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if (styleSet)
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rv = aEditorShell->RemoveTextProperty(tagName.GetUnicode(), nsnull);
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else
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rv = aEditorShell->SetTextProperty(tagName.GetUnicode(), nsnull, nsnull);
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return rv;
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}
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#ifdef XP_MAC
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#pragma mark -
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#endif
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nsListCommand::nsListCommand(const char* aTagName)
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: nsBaseStateUpdatingCommand(aTagName)
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{
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}
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nsresult
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nsListCommand::GetCurrentState(nsIEditorShell *aEditorShell, const char* aTagName, PRBool& outInList)
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{
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NS_ASSERTION(aEditorShell, "Need editorShell here");
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nsCOMPtr<nsIEditor> editor;
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aEditorShell->GetEditor(getter_AddRefs(editor));
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if (!editor) return NS_ERROR_UNEXPECTED;
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nsCOMPtr<nsIDOMSelection> domSelection;
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editor->GetSelection(getter_AddRefs(domSelection));
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if (!domSelection) return NS_ERROR_UNEXPECTED;
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nsCOMPtr<nsIDOMNode> domNode;
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domSelection->GetAnchorNode(getter_AddRefs(domNode));
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if (!domNode) return NS_ERROR_UNEXPECTED;
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// tagStr will hold the list state when we're done.
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nsAutoString tagStr; tagStr.AssignWithConversion("ol");
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nsCOMPtr<nsIDOMElement> parentElement;
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nsresult rv = aEditorShell->GetElementOrParentByTagName(tagStr.GetUnicode(), domNode, getter_AddRefs(parentElement));
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if (NS_FAILED(rv)) return rv;
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if (!parentElement)
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{
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tagStr.AssignWithConversion("ul");
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rv = aEditorShell->GetElementOrParentByTagName(tagStr.GetUnicode(), domNode, getter_AddRefs(parentElement));
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if (NS_FAILED(rv)) return rv;
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if (!parentElement)
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tagStr.Truncate();
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}
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outInList = tagStr.EqualsWithConversion(mTagName);
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return NS_OK;
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}
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nsresult
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nsListCommand::ToggleState(nsIEditorShell *aEditorShell, const char* aTagName)
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{
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PRBool inList;
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nsresult rv = GetCurrentState(aEditorShell, aTagName, inList);
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if (NS_FAILED(rv)) return rv;
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nsAutoString listType; listType.AssignWithConversion(aTagName);
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if (inList)
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rv = aEditorShell->RemoveList(listType.GetUnicode());
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else
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rv = aEditorShell->MakeOrChangeList(listType.GetUnicode());
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return rv;
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}
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#ifdef XP_MAC
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#pragma mark -
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#endif
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NS_IMETHODIMP
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nsIndentCommand::IsCommandEnabled(const PRUnichar *aCommand, nsISupports * refCon, PRBool *outCmdEnabled)
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{
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nsCOMPtr<nsIEditorShell> editorShell = do_QueryInterface(refCon);
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*outCmdEnabled = PR_FALSE;
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if (editorShell)
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{
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nsCOMPtr<nsIEditor> editor;
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editorShell->GetEditor(getter_AddRefs(editor));
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if (editor)
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*outCmdEnabled = PR_TRUE; // can always indent (I guess)
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}
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return NS_OK;
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}
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NS_IMETHODIMP
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nsIndentCommand::DoCommand(const PRUnichar *aCommand, nsISupports * refCon)
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{
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nsCOMPtr<nsIEditorShell> editorShell = do_QueryInterface(refCon);
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nsresult rv = NS_OK;
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if (editorShell)
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{
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nsAutoString indentStr; indentStr.AssignWithConversion("indent");
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rv = editorShell->Indent(indentStr.GetUnicode());
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}
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return rv;
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}
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NS_IMETHODIMP
|
|
nsOutdentCommand::IsCommandEnabled(const PRUnichar *aCommand, nsISupports * refCon, PRBool *outCmdEnabled)
|
|
{
|
|
nsCOMPtr<nsIEditorShell> editorShell = do_QueryInterface(refCon);
|
|
*outCmdEnabled = PR_FALSE;
|
|
if (editorShell)
|
|
{
|
|
nsCOMPtr<nsIEditor> editor;
|
|
editorShell->GetEditor(getter_AddRefs(editor));
|
|
if (editor)
|
|
{
|
|
// XXX fix me. You can't outdent if you're already at the top level.
|
|
//PRBool canOutdent;
|
|
//editor->CanIndent("outdent", &canOutdent);
|
|
|
|
*outCmdEnabled = PR_TRUE;
|
|
}
|
|
}
|
|
|
|
return NS_OK;
|
|
}
|
|
|
|
|
|
NS_IMETHODIMP
|
|
nsOutdentCommand::DoCommand(const PRUnichar *aCommand, nsISupports * refCon)
|
|
{
|
|
nsCOMPtr<nsIEditorShell> editorShell = do_QueryInterface(refCon);
|
|
|
|
nsresult rv = NS_OK;
|
|
if (editorShell)
|
|
{
|
|
nsAutoString indentStr; indentStr.AssignWithConversion("outdent");
|
|
rv = editorShell->Indent(indentStr.GetUnicode());
|
|
}
|
|
|
|
return rv;
|
|
}
|
|
|
|
#ifdef XP_MAC
|
|
#pragma mark -
|
|
#endif
|
|
|
|
NS_IMETHODIMP
|
|
nsParagraphStateCommand::IsCommandEnabled(const PRUnichar *aCommand, nsISupports * refCon, PRBool *outCmdEnabled)
|
|
{
|
|
nsCOMPtr<nsIEditorShell> editorShell = do_QueryInterface(refCon);
|
|
*outCmdEnabled = PR_FALSE;
|
|
if (editorShell)
|
|
{
|
|
nsCOMPtr<nsIEditor> editor;
|
|
editorShell->GetEditor(getter_AddRefs(editor));
|
|
if (editor)
|
|
{
|
|
*outCmdEnabled = PR_TRUE;
|
|
}
|
|
}
|
|
|
|
return NS_OK;
|
|
}
|
|
|
|
|
|
NS_IMETHODIMP
|
|
nsParagraphStateCommand::DoCommand(const PRUnichar *aCommand, nsISupports * refCon)
|
|
{
|
|
nsCOMPtr<nsIEditorShell> editorShell = do_QueryInterface(refCon);
|
|
|
|
nsresult rv = NS_OK;
|
|
if (editorShell)
|
|
{
|
|
// we have to grab the state attribute on our command node to find out
|
|
// what format to set the paragraph to
|
|
nsAutoString stateAttribute;
|
|
rv = GetNodeAttribute(editorShell, aCommand, NS_ConvertASCIItoUCS2("state").GetUnicode(), stateAttribute);
|
|
if (NS_FAILED(rv)) return rv;
|
|
|
|
rv = editorShell->SetParagraphFormat(stateAttribute.GetUnicode());
|
|
}
|
|
|
|
return rv;
|
|
}
|
|
|
|
#ifdef XP_MAC
|
|
#pragma mark -
|
|
#endif
|
|
|
|
NS_IMETHODIMP
|
|
nsAlignCommand::IsCommandEnabled(const PRUnichar *aCommand, nsISupports * refCon, PRBool *outCmdEnabled)
|
|
{
|
|
nsCOMPtr<nsIEditorShell> editorShell = do_QueryInterface(refCon);
|
|
*outCmdEnabled = PR_FALSE;
|
|
if (editorShell)
|
|
{
|
|
nsCOMPtr<nsIEditor> editor;
|
|
editorShell->GetEditor(getter_AddRefs(editor));
|
|
if (editor)
|
|
{
|
|
*outCmdEnabled = PR_TRUE;
|
|
}
|
|
}
|
|
|
|
return NS_OK;
|
|
}
|
|
|
|
|
|
NS_IMETHODIMP
|
|
nsAlignCommand::DoCommand(const PRUnichar *aCommand, nsISupports * refCon)
|
|
{
|
|
nsCOMPtr<nsIEditorShell> editorShell = do_QueryInterface(refCon);
|
|
|
|
nsresult rv = NS_OK;
|
|
if (editorShell)
|
|
{
|
|
// we have to grab the state attribute on our command node to find out
|
|
// what format to set the paragraph to
|
|
nsAutoString stateAttribute;
|
|
rv = GetNodeAttribute(editorShell, aCommand, NS_ConvertASCIItoUCS2("state").GetUnicode(), stateAttribute);
|
|
if (NS_FAILED(rv)) return rv;
|
|
|
|
rv = editorShell->Align(stateAttribute.GetUnicode());
|
|
}
|
|
|
|
return rv;
|
|
}
|
|
|
|
#ifdef XP_MAC
|
|
#pragma mark -
|
|
#endif
|
|
|
|
NS_IMETHODIMP
|
|
nsRemoveStylesCommand::IsCommandEnabled(const PRUnichar *aCommand, nsISupports * refCon, PRBool *outCmdEnabled)
|
|
{
|
|
nsCOMPtr<nsIEditorShell> editorShell = do_QueryInterface(refCon);
|
|
*outCmdEnabled = PR_FALSE;
|
|
if (editorShell)
|
|
{
|
|
nsCOMPtr<nsIEditor> editor;
|
|
editorShell->GetEditor(getter_AddRefs(editor));
|
|
if (editor)
|
|
{
|
|
// test if we have any styles?
|
|
*outCmdEnabled = PR_TRUE;
|
|
}
|
|
}
|
|
|
|
return NS_OK;
|
|
}
|
|
|
|
|
|
NS_IMETHODIMP
|
|
nsRemoveStylesCommand::DoCommand(const PRUnichar *aCommand, nsISupports * refCon)
|
|
{
|
|
nsCOMPtr<nsIEditorShell> editorShell = do_QueryInterface(refCon);
|
|
|
|
nsresult rv = NS_OK;
|
|
if (editorShell)
|
|
{
|
|
rv = editorShell->RemoveTextProperty(NS_ConvertASCIItoUCS2("all").GetUnicode(), NS_ConvertASCIItoUCS2("").GetUnicode());
|
|
}
|
|
|
|
return rv;
|
|
}
|
|
|
|
#ifdef XP_MAC
|
|
#pragma mark -
|
|
#endif
|
|
|
|
NS_IMETHODIMP
|
|
nsIncreaseFontSizeCommand::IsCommandEnabled(const PRUnichar *aCommand, nsISupports * refCon, PRBool *outCmdEnabled)
|
|
{
|
|
nsCOMPtr<nsIEditorShell> editorShell = do_QueryInterface(refCon);
|
|
*outCmdEnabled = PR_FALSE;
|
|
if (editorShell)
|
|
{
|
|
nsCOMPtr<nsIEditor> editor;
|
|
editorShell->GetEditor(getter_AddRefs(editor));
|
|
if (editor)
|
|
{
|
|
// test if we are at the max size?
|
|
*outCmdEnabled = PR_TRUE;
|
|
}
|
|
}
|
|
|
|
return NS_OK;
|
|
}
|
|
|
|
|
|
NS_IMETHODIMP
|
|
nsIncreaseFontSizeCommand::DoCommand(const PRUnichar *aCommand, nsISupports * refCon)
|
|
{
|
|
nsCOMPtr<nsIEditorShell> editorShell = do_QueryInterface(refCon);
|
|
|
|
nsresult rv = NS_OK;
|
|
if (editorShell)
|
|
{
|
|
rv = editorShell->IncreaseFontSize();
|
|
}
|
|
|
|
return rv;
|
|
}
|
|
|
|
#ifdef XP_MAC
|
|
#pragma mark -
|
|
#endif
|
|
|
|
NS_IMETHODIMP
|
|
nsDecreaseFontSizeCommand::IsCommandEnabled(const PRUnichar *aCommand, nsISupports * refCon, PRBool *outCmdEnabled)
|
|
{
|
|
nsCOMPtr<nsIEditorShell> editorShell = do_QueryInterface(refCon);
|
|
*outCmdEnabled = PR_FALSE;
|
|
if (editorShell)
|
|
{
|
|
nsCOMPtr<nsIEditor> editor;
|
|
editorShell->GetEditor(getter_AddRefs(editor));
|
|
if (editor)
|
|
{
|
|
// test if we are at the min size?
|
|
*outCmdEnabled = PR_TRUE;
|
|
}
|
|
}
|
|
|
|
return NS_OK;
|
|
}
|
|
|
|
|
|
NS_IMETHODIMP
|
|
nsDecreaseFontSizeCommand::DoCommand(const PRUnichar *aCommand, nsISupports * refCon)
|
|
{
|
|
nsCOMPtr<nsIEditorShell> editorShell = do_QueryInterface(refCon);
|
|
|
|
nsresult rv = NS_OK;
|
|
if (editorShell)
|
|
{
|
|
rv = editorShell->DecreaseFontSize();
|
|
}
|
|
|
|
return rv;
|
|
}
|