f4dce242ee
Making the softkey listen to preferences so that we can enable and disable it. git-svn-id: svn://10.0.0.236/trunk@180668 18797224-902f-48f8-a5cc-f745e15eee43
250 lines
7.0 KiB
C++
Executable File
250 lines
7.0 KiB
C++
Executable File
/* -*- 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 SSR
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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) 2005
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* the Initial Developer. All Rights Reserved.
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*
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* Contributor(s):
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* Doug Turner <dougt@meer.net>
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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 the GNU General Public License Version 2 or later (the "GPL"), or
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* 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 "nsXPCOM.h"
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#include "nsCOMPtr.h"
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#include "nsIServiceManager.h"
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#include "nsIGenericFactory.h"
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#include "nsIObserver.h"
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#include "nsIPrefService.h"
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#include "nsIPrefBranch2.h"
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#include "nsICategoryManager.h"
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#include "string.h"
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#include "nsNetUtil.h"
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#include "nsIStyleSheetService.h"
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// TODO auto reload SSR in C.
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class nsSSRSupport : public nsIObserver
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{
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public:
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nsSSRSupport();
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virtual ~nsSSRSupport();
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NS_DECL_ISUPPORTS
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NS_DECL_NSIOBSERVER
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nsresult SetSSREnabled(PRBool aSsrEnabled);
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nsresult SetSiteSSREnabled(PRBool aSiteSSREnabled);
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nsCOMPtr<nsIStyleSheetService> m_sss;
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PRBool mUsingSSR;
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PRBool mUsingSiteSSR;
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};
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nsSSRSupport::nsSSRSupport()
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: mUsingSiteSSR(PR_FALSE), mUsingSSR(PR_FALSE)
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{
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m_sss = do_GetService("@mozilla.org/content/style-sheet-service;1");
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}
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nsSSRSupport::~nsSSRSupport()
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{
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}
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NS_IMPL_ISUPPORTS1(nsSSRSupport, nsIObserver)
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nsresult
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nsSSRSupport::SetSSREnabled(PRBool aSsrEnabled)
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{
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if (!m_sss)
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return NS_ERROR_NOT_INITIALIZED;
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nsCOMPtr<nsIURI> uri;
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nsresult rv = NS_NewURI(getter_AddRefs(uri), NS_LITERAL_CSTRING("resource://gre/res/smallScreen.css"));
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if (NS_FAILED(rv))
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return rv;
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if (aSsrEnabled)
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return m_sss->LoadAndRegisterSheet(uri, nsIStyleSheetService::AGENT_SHEET);
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return m_sss->UnregisterSheet(uri, nsIStyleSheetService::AGENT_SHEET);
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}
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nsresult
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nsSSRSupport::SetSiteSSREnabled(PRBool aSiteSSREnabled)
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{
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if (!m_sss)
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return NS_ERROR_NOT_INITIALIZED;
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nsCOMPtr<nsIURI> uri;
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nsresult rv = NS_NewURI(getter_AddRefs(uri), NS_LITERAL_CSTRING("resource://gre/res/sites.css"));
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if (NS_FAILED(rv))
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return rv;
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if (aSiteSSREnabled)
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return m_sss->LoadAndRegisterSheet(uri, nsIStyleSheetService::AGENT_SHEET);
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return m_sss->UnregisterSheet(uri, nsIStyleSheetService::AGENT_SHEET);
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}
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NS_IMETHODIMP
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nsSSRSupport::Observe(nsISupports *aSubject, const char *aTopic, const PRUnichar *aData)
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{
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nsresult rv;
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if (!strcmp(aTopic,"app-startup"))
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{
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nsCOMPtr<nsIPrefBranch2> prefBranch = do_GetService(NS_PREFSERVICE_CONTRACTID, &rv);
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NS_ENSURE_SUCCESS(rv, rv);
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prefBranch->AddObserver("ssr.", this, PR_FALSE);
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return NS_OK;
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}
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if (!strcmp(aTopic, NS_PREFBRANCH_PREFCHANGE_TOPIC_ID))
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{
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nsCOMPtr<nsIPrefBranch> prefBranch = do_QueryInterface(aSubject);
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nsXPIDLCString cstr;
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const char* pref = NS_ConvertUCS2toUTF8(aData).get();
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if (!strcmp(pref, "ssr.enabled"))
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{
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PRBool enabled;
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prefBranch->GetBoolPref(pref, &enabled);
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SetSSREnabled(enabled);
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return NS_OK;
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}
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if (!strcmp(pref, "ssr.site.enabled"))
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{
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PRBool enabled;
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prefBranch->GetBoolPref(pref, &enabled);
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SetSiteSSREnabled(enabled);
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return NS_OK;
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}
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}
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return NS_OK;
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}
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//------------------------------------------------------------------------------
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// XPCOM REGISTRATION BELOW
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//------------------------------------------------------------------------------
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#define SSRSupport_CID \
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{ 0x3dc8b3d0, 0xeaff, 0x4904, \
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{0x8e, 0x80, 0x99, 0xf8, 0x26, 0x62, 0x96, 0x3a} }
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#define SSRSupport_ContractID "@mozilla.org/ssr;1"
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NS_GENERIC_FACTORY_CONSTRUCTOR(nsSSRSupport)
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static NS_METHOD SSRRegistration(nsIComponentManager *aCompMgr,
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nsIFile *aPath,
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const char *registryLocation,
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const char *componentType,
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const nsModuleComponentInfo *info)
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{
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nsresult rv;
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nsCOMPtr<nsIServiceManager> servman = do_QueryInterface((nsISupports*)aCompMgr, &rv);
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if (NS_FAILED(rv))
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return rv;
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nsCOMPtr<nsICategoryManager> catman;
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servman->GetServiceByContractID(NS_CATEGORYMANAGER_CONTRACTID,
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NS_GET_IID(nsICategoryManager),
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getter_AddRefs(catman));
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if (NS_FAILED(rv))
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return rv;
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char* previous = nsnull;
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rv = catman->AddCategoryEntry("app-startup",
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"SSR",
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SSRSupport_ContractID,
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PR_TRUE,
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PR_TRUE,
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&previous);
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if (previous)
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nsMemory::Free(previous);
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return rv;
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}
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static NS_METHOD SSRUnregistration(nsIComponentManager *aCompMgr,
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nsIFile *aPath,
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const char *registryLocation,
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const nsModuleComponentInfo *info)
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{
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nsresult rv;
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nsCOMPtr<nsIServiceManager> servman = do_QueryInterface((nsISupports*)aCompMgr, &rv);
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if (NS_FAILED(rv))
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return rv;
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nsCOMPtr<nsICategoryManager> catman;
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servman->GetServiceByContractID(NS_CATEGORYMANAGER_CONTRACTID,
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NS_GET_IID(nsICategoryManager),
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getter_AddRefs(catman));
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if (NS_FAILED(rv))
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return rv;
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rv = catman->DeleteCategoryEntry("app-startup",
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"SSR",
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PR_TRUE);
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return rv;
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}
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static const nsModuleComponentInfo components[] =
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{
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{ "SoftKeyBoardService",
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SSRSupport_CID,
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SSRSupport_ContractID,
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nsSSRSupportConstructor,
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SSRRegistration,
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SSRUnregistration
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}
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};
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NS_IMPL_NSGETMODULE(SSRModule, components)
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