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gecko-dev/xpfe/components/intl/nsCharsetMenu.cpp
alecf%netscape.com 626c692ccc add these files for bug 102004 - moving charset menu into xpfe components 
not part of build, to be reviewed as part of that bug
2001-09-28 02:20:15 +00:00

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/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
/* ***** BEGIN LICENSE BLOCK *****
* Version: NPL 1.1/GPL 2.0/LGPL 2.1
*
* 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 the Initial Developer are Copyright (C) 1998
* the Initial Developer. All Rights Reserved.
*
* Contributor(s):
* Pierre Phaneuf <pp@ludusdesign.com>
*
*
* Alternatively, the contents of this file may be used under the terms of
* either the GNU General Public License Version 2 or later (the "GPL"), or
* the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
* in which case the provisions of the GPL or the LGPL are applicable instead
* of those above. If you wish to allow use of your version of this file only
* under the terms of either the GPL or the LGPL, and not to allow others to
* use your version of this file under the terms of the NPL, indicate your
* decision by deleting the provisions above and replace them with the notice
* and other provisions required by the GPL or the LGPL. If you do not delete
* the provisions above, a recipient may use your version of this file under
* the terms of any one of the NPL, the GPL or the LGPL.
*
* ***** END LICENSE BLOCK ***** */
#include "nsIServiceManager.h"
#include "nsIComponentManager.h"
#include "rdf.h"
#include "nsIRDFDataSource.h"
#include "nsIRDFService.h"
#include "nsIRDFContainerUtils.h"
#include "nsRDFCID.h"
#include "nsXPIDLString.h"
#include "nsCharsetMenu.h"
#include "nsICharsetConverterManager.h"
#include "nsICharsetConverterManager2.h"
#include "nsICollation.h"
#include "nsCollationCID.h"
#include "nsLocaleCID.h"
#include "nsILocaleService.h"
#include "nsIPref.h"
#include "nsICurrentCharsetListener.h"
#include "nsQuickSort.h"
#include "nsIObserver.h"
#include "nsVoidArray.h"
//----------------------------------------------------------------------------
// Global functions and data [declaration]
static NS_DEFINE_CID(kRDFServiceCID, NS_RDFSERVICE_CID);
static NS_DEFINE_CID(kCharsetConverterManagerCID, NS_ICHARSETCONVERTERMANAGER_CID);
static NS_DEFINE_CID(kRDFInMemoryDataSourceCID, NS_RDFINMEMORYDATASOURCE_CID);
static NS_DEFINE_CID(kRDFContainerUtilsCID, NS_RDFCONTAINERUTILS_CID);
static NS_DEFINE_CID(kRDFContainerCID, NS_RDFCONTAINER_CID);
static NS_DEFINE_CID(kCollationFactoryCID, NS_COLLATIONFACTORY_CID);
static NS_DEFINE_CID(kLocaleServiceCID, NS_LOCALESERVICE_CID);
static const char * kURINC_BrowserAutodetMenuRoot = "NC:BrowserAutodetMenuRoot";
static const char * kURINC_BrowserCharsetMenuRoot = "NC:BrowserCharsetMenuRoot";
static const char * kURINC_BrowserMoreCharsetMenuRoot = "NC:BrowserMoreCharsetMenuRoot";
static const char * kURINC_BrowserMore1CharsetMenuRoot = "NC:BrowserMore1CharsetMenuRoot";
static const char * kURINC_BrowserMore2CharsetMenuRoot = "NC:BrowserMore2CharsetMenuRoot";
static const char * kURINC_BrowserMore3CharsetMenuRoot = "NC:BrowserMore3CharsetMenuRoot";
static const char * kURINC_BrowserMore4CharsetMenuRoot = "NC:BrowserMore4CharsetMenuRoot";
static const char * kURINC_BrowserMore5CharsetMenuRoot = "NC:BrowserMore5CharsetMenuRoot";
static const char * kURINC_MaileditCharsetMenuRoot = "NC:MaileditCharsetMenuRoot";
static const char * kURINC_MailviewCharsetMenuRoot = "NC:MailviewCharsetMenuRoot";
static const char * kURINC_ComposerCharsetMenuRoot = "NC:ComposerCharsetMenuRoot";
static const char * kURINC_DecodersRoot = "NC:DecodersRoot";
DEFINE_RDF_VOCAB(NC_NAMESPACE_URI, NC, Name);
DEFINE_RDF_VOCAB(NC_NAMESPACE_URI, NC, Checked);
DEFINE_RDF_VOCAB(NC_NAMESPACE_URI, NC, BookmarkSeparator);
DEFINE_RDF_VOCAB(NC_NAMESPACE_URI, NC, CharsetDetector);
DEFINE_RDF_VOCAB(RDF_NAMESPACE_URI, NC, type);
// Note here that browser and mailview have the same static area and cache
// size but the cache itself is separate.
#define kBrowserStaticPrefKey "intl.charsetmenu.browser.static"
#define kBrowserCachePrefKey "intl.charsetmenu.browser.cache"
#define kBrowserCacheSizePrefKey "intl.charsetmenu.browser.cache.size"
#define kMailviewStaticPrefKey "intl.charsetmenu.browser.static"
#define kMailviewCachePrefKey "intl.charsetmenu.mailview.cache"
#define kMailviewCacheSizePrefKey "intl.charsetmenu.browser.cache.size"
#define kComposerStaticPrefKey "intl.charsetmenu.browser.static"
#define kComposerCachePrefKey "intl.charsetmenu.composer.cache"
#define kComposerCacheSizePrefKey "intl.charsetmenu.browser.cache.size"
#define kMaileditPrefKey "intl.charsetmenu.mailedit"
//----------------------------------------------------------------------------
// Class nsMenuEntry [declaration]
/**
* A little class holding all data needed for a menu item.
*
* @created 18/Apr/2000
* @author Catalin Rotaru [CATA]
*/
class nsMenuEntry
{
public:
// memory & ref counting & leak prevention stuff
nsMenuEntry() { MOZ_COUNT_CTOR(nsMenuEntry); }
~nsMenuEntry() { MOZ_COUNT_DTOR(nsMenuEntry); }
nsCOMPtr<nsIAtom> mCharset;
nsAutoString mTitle;
};
MOZ_DECL_CTOR_COUNTER(nsMenuEntry)
//----------------------------------------------------------------------------
// Class nsCharsetMenu [declaration]
/**
* The Charset Converter menu.
*
* God, our GUI programming disgusts me.
*
* @created 23/Nov/1999
* @author Catalin Rotaru [CATA]
*/
class nsCharsetMenu : public nsIRDFDataSource, public nsICurrentCharsetListener
{
NS_DECL_ISUPPORTS
private:
static nsIRDFResource * kNC_BrowserAutodetMenuRoot;
static nsIRDFResource * kNC_BrowserCharsetMenuRoot;
static nsIRDFResource * kNC_BrowserMoreCharsetMenuRoot;
static nsIRDFResource * kNC_BrowserMore1CharsetMenuRoot;
static nsIRDFResource * kNC_BrowserMore2CharsetMenuRoot;
static nsIRDFResource * kNC_BrowserMore3CharsetMenuRoot;
static nsIRDFResource * kNC_BrowserMore4CharsetMenuRoot;
static nsIRDFResource * kNC_BrowserMore5CharsetMenuRoot;
static nsIRDFResource * kNC_MaileditCharsetMenuRoot;
static nsIRDFResource * kNC_MailviewCharsetMenuRoot;
static nsIRDFResource * kNC_ComposerCharsetMenuRoot;
static nsIRDFResource * kNC_DecodersRoot;
static nsIRDFResource * kNC_Name;
static nsIRDFResource * kNC_Checked;
static nsIRDFResource * kNC_CharsetDetector;
static nsIRDFResource * kNC_BookmarkSeparator;
static nsIRDFResource * kRDF_type;
static nsIRDFDataSource * mInner;
nsVoidArray mBrowserMenu;
PRInt32 mBrowserCacheStart;
PRInt32 mBrowserCacheSize;
PRInt32 mBrowserMenuRDFPosition;
nsVoidArray mMailviewMenu;
PRInt32 mMailviewCacheStart;
PRInt32 mMailviewCacheSize;
PRInt32 mMailviewMenuRDFPosition;
nsVoidArray mComposerMenu;
PRInt32 mComposerCacheStart;
PRInt32 mComposerCacheSize;
PRInt32 mComposerMenuRDFPosition;
nsCOMPtr<nsIRDFService> mRDFService;
nsCOMPtr<nsICharsetConverterManager2> mCCManager;
nsCOMPtr<nsIPref> mPrefService;
nsCOMPtr<nsIObserver> mCharsetMenuObserver;
nsCOMPtr<nsISupportsArray> mDecoderList;
nsCOMPtr<nsISupportsArray> mEncoderList;
nsresult Init();
nsresult Done();
nsresult SetCharsetCheckmark(nsString * aCharset, PRBool aValue);
nsresult InitResources();
nsresult FreeResources();
nsresult InitBrowserMenu();
nsresult InitMaileditMenu();
nsresult InitMailviewMenu();
nsresult InitComposerMenu();
nsresult InitOthers();
nsresult InitSecondaryTiers();
nsresult InitStaticMenu(nsISupportsArray * aDecs,
nsIRDFResource * aResource, const char * aKey, nsVoidArray * aArray);
nsresult InitCacheMenu(nsISupportsArray * aDecs, nsIRDFResource * aResource,
const char * aKey, nsVoidArray * aArray);
nsresult InitAutodetMenu(nsIRDFResource * aResource);
nsresult InitMoreMenu(nsISupportsArray * aDecs, nsIRDFResource * aResource,
char * aFlag);
nsresult InitMoreSubmenus(nsISupportsArray * aDecs);
nsresult AddCharsetToItemArray(nsVoidArray * aArray, nsIAtom * aCharset,
nsMenuEntry ** aResult, PRInt32 aPlace);
nsresult AddCharsetArrayToItemArray(nsVoidArray * aArray,
nsISupportsArray * aCharsets);
nsresult AddMenuItemToContainer(nsIRDFContainer * aContainer,
nsMenuEntry * aItem, nsIRDFResource * aType, char * aIDPrefix,
PRInt32 aPlace);
nsresult AddMenuItemArrayToContainer(nsIRDFContainer * aContainer,
nsVoidArray * aArray, nsIRDFResource * aType);
nsresult AddCharsetToContainer(nsVoidArray * aArray,
nsIRDFContainer * aContainer, nsIAtom * aCharset, char * aIDPrefix,
PRInt32 aPlace, PRInt32 aRDFPlace);
nsresult AddFromPrefsToMenu(nsVoidArray * aArray,
nsIRDFContainer * aContainer, const char * aKey, nsISupportsArray * aDecs,
char * aIDPrefix);
nsresult AddFromNolocPrefsToMenu(nsVoidArray * aArray,
nsIRDFContainer * aContainer, const char * aKey, nsISupportsArray * aDecs,
char * aIDPrefix);
nsresult AddFromStringToMenu(char * aCharsetList, nsVoidArray * aArray,
nsIRDFContainer * aContainer, nsISupportsArray * aDecs, char * aIDPrefix);
nsresult AddSeparatorToContainer(nsIRDFContainer * aContainer);
nsresult AddCharsetToCache(nsIAtom * aCharset, nsVoidArray * aArray,
nsIRDFResource * aRDFResource, PRInt32 aCacheStart, PRInt32 aCacheSize,
PRInt32 aRDFPlace);
nsresult WriteCacheToPrefs(nsVoidArray * aArray, PRInt32 aCacheStart,
const char * aKey);
nsresult ClearMenu(nsIRDFContainer * aContainer, nsVoidArray * aArray);
nsresult RemoveLastMenuItem(nsIRDFContainer * aContainer,
nsVoidArray * aArray);
nsresult RemoveFlaggedCharsets(nsISupportsArray * aList, nsString * aProp);
nsresult NewRDFContainer(nsIRDFDataSource * aDataSource,
nsIRDFResource * aResource, nsIRDFContainer ** aResult);
void FreeMenuItemArray(nsVoidArray * aArray);
PRInt32 FindMenuItemInArray(nsVoidArray * aArray, nsIAtom * aCharset,
nsMenuEntry ** aResult);
nsresult ReorderMenuItemArray(nsVoidArray * aArray);
nsresult GetCollation(nsICollation ** aCollation);
public:
nsCharsetMenu();
virtual ~nsCharsetMenu();
nsresult RefreshBroserMenu();
nsresult RefreshMailviewMenu();
nsresult RefreshMaileditMenu();
nsresult RefreshComposerMenu();
//--------------------------------------------------------------------------
// Interface nsICurrentCharsetListener [declaration]
NS_IMETHOD SetCurrentCharset(const PRUnichar * aCharset);
NS_IMETHOD SetCurrentMailCharset(const PRUnichar * aCharset);
NS_IMETHOD SetCurrentComposerCharset(const PRUnichar * aCharset);
//--------------------------------------------------------------------------
// Interface nsIRDFDataSource [declaration]
NS_DECL_NSIRDFDATASOURCE
};
//----------------------------------------------------------------------------
// Global functions and data [implementation]
NS_IMETHODIMP NS_NewCharsetMenu(nsISupports * aOuter, const nsIID & aIID,
void ** aResult)
{
if (!aResult) {
return NS_ERROR_NULL_POINTER;
}
if (aOuter) {
*aResult = nsnull;
return NS_ERROR_NO_AGGREGATION;
}
nsCharsetMenu* inst = new nsCharsetMenu();
if (!inst) {
*aResult = nsnull;
return NS_ERROR_OUT_OF_MEMORY;
}
nsresult res = inst->QueryInterface(aIID, aResult);
if (NS_FAILED(res)) {
*aResult = nsnull;
delete inst;
}
return res;
}
struct charsetMenuSortRecord {
nsMenuEntry* item;
PRUint8* key;
PRUint32 len;
};
static int PR_CALLBACK CompareMenuItems(const void* aArg1, const void* aArg2, void *data)
{
PRInt32 res;
nsICollation * collation = (nsICollation *) data;
charsetMenuSortRecord *rec1 = (charsetMenuSortRecord *) aArg1;
charsetMenuSortRecord *rec2 = (charsetMenuSortRecord *) aArg2;
collation->CompareRawSortKey(rec1->key, rec1->len, rec2->key, rec2->len, &res);
return res;
}
//----------------------------------------------------------------------------
// Class nsCharsetMenuObserver
class nsCharsetMenuObserver : public nsIObserver {
public:
NS_DECL_ISUPPORTS
NS_DECL_NSIOBSERVER
nsCharsetMenuObserver(nsCharsetMenu * menu)
: mCharsetMenu(menu)
{
NS_INIT_ISUPPORTS();
}
virtual ~nsCharsetMenuObserver() {}
private:
nsCharsetMenu* mCharsetMenu;
};
NS_IMPL_ISUPPORTS1(nsCharsetMenuObserver, nsIObserver);
NS_IMETHODIMP nsCharsetMenuObserver::Observe(nsISupports *aSubject, const PRUnichar *aTopic, const PRUnichar *someData)
{
nsresult rv;
nsDependentString aTopicString(aTopic);
if (aTopicString.Equals(NS_LITERAL_STRING("nsPref:changed"))) {
nsDependentString prefName(someData);
if (prefName.Equals(NS_LITERAL_STRING(kBrowserStaticPrefKey))) {
// refresh menus which share this pref
rv = mCharsetMenu->RefreshBroserMenu();
NS_ENSURE_SUCCESS(rv, rv);
rv = mCharsetMenu->RefreshMailviewMenu();
NS_ENSURE_SUCCESS(rv, rv);
rv = mCharsetMenu->RefreshComposerMenu();
}
else if (prefName.Equals(NS_LITERAL_STRING(kMaileditPrefKey))) {
rv = mCharsetMenu->RefreshMaileditMenu();
}
}
return rv;
}
//----------------------------------------------------------------------------
// Class nsCharsetMenu [implementation]
NS_IMPL_ISUPPORTS2(nsCharsetMenu, nsIRDFDataSource, nsICurrentCharsetListener)
nsIRDFDataSource * nsCharsetMenu::mInner = NULL;
nsIRDFResource * nsCharsetMenu::kNC_BrowserAutodetMenuRoot = NULL;
nsIRDFResource * nsCharsetMenu::kNC_BrowserCharsetMenuRoot = NULL;
nsIRDFResource * nsCharsetMenu::kNC_BrowserMoreCharsetMenuRoot = NULL;
nsIRDFResource * nsCharsetMenu::kNC_BrowserMore1CharsetMenuRoot = NULL;
nsIRDFResource * nsCharsetMenu::kNC_BrowserMore2CharsetMenuRoot = NULL;
nsIRDFResource * nsCharsetMenu::kNC_BrowserMore3CharsetMenuRoot = NULL;
nsIRDFResource * nsCharsetMenu::kNC_BrowserMore4CharsetMenuRoot = NULL;
nsIRDFResource * nsCharsetMenu::kNC_BrowserMore5CharsetMenuRoot = NULL;
nsIRDFResource * nsCharsetMenu::kNC_MaileditCharsetMenuRoot = NULL;
nsIRDFResource * nsCharsetMenu::kNC_MailviewCharsetMenuRoot = NULL;
nsIRDFResource * nsCharsetMenu::kNC_ComposerCharsetMenuRoot = NULL;
nsIRDFResource * nsCharsetMenu::kNC_DecodersRoot = NULL;
nsIRDFResource * nsCharsetMenu::kNC_Name = NULL;
nsIRDFResource * nsCharsetMenu::kNC_Checked = NULL;
nsIRDFResource * nsCharsetMenu::kNC_CharsetDetector = NULL;
nsIRDFResource * nsCharsetMenu::kNC_BookmarkSeparator = NULL;
nsIRDFResource * nsCharsetMenu::kRDF_type = NULL;
nsCharsetMenu::nsCharsetMenu()
{
NS_INIT_REFCNT();
nsresult res = NS_OK;
res = InitResources();
NS_ASSERTION(NS_SUCCEEDED(res), "error initializing resources");
Init();
InitBrowserMenu();
InitMaileditMenu();
InitMailviewMenu();
InitComposerMenu();
InitSecondaryTiers();
InitOthers();
}
nsCharsetMenu::~nsCharsetMenu()
{
Done();
FreeMenuItemArray(&mBrowserMenu);
FreeMenuItemArray(&mMailviewMenu);
FreeMenuItemArray(&mComposerMenu);
FreeResources();
}
// XXX collapse these 2 in one
nsresult nsCharsetMenu::RefreshBroserMenu()
{
nsresult res = NS_OK;
nsCOMPtr<nsIRDFContainer> container;
res = NewRDFContainer(mInner, kNC_BrowserCharsetMenuRoot, getter_AddRefs(container));
if (NS_FAILED(res)) return res;
// clean the menu
res = ClearMenu(container, &mBrowserMenu);
if (NS_FAILED(res)) return res;
// rebuild the menu
nsCOMPtr<nsISupportsArray> decs;
res = mCCManager->GetDecoderList(getter_AddRefs(decs));
if (NS_FAILED(res)) return res;
res = AddFromPrefsToMenu(&mBrowserMenu, container, kBrowserStaticPrefKey,
decs, "charset.");
NS_ASSERTION(NS_SUCCEEDED(res), "error initializing static charset menu from prefs");
// mark the end of the static area, the rest is cache
mBrowserCacheStart = mBrowserMenu.Count();
res = InitCacheMenu(decs, kNC_BrowserCharsetMenuRoot, kBrowserCachePrefKey,
&mBrowserMenu);
NS_ASSERTION(NS_SUCCEEDED(res), "error initializing browser cache charset menu");
return res;
}
nsresult nsCharsetMenu::RefreshMailviewMenu()
{
nsresult res = NS_OK;
nsCOMPtr<nsIRDFContainer> container;
res = NewRDFContainer(mInner, kNC_MailviewCharsetMenuRoot, getter_AddRefs(container));
if (NS_FAILED(res)) return res;
// clean the menu
res = ClearMenu(container, &mMailviewMenu);
if (NS_FAILED(res)) return res;
nsCOMPtr<nsISupportsArray> decs;
res = mCCManager->GetDecoderList(getter_AddRefs(decs));
if (NS_FAILED(res)) return res;
res = AddFromPrefsToMenu(&mMailviewMenu, container, kMailviewStaticPrefKey,
decs, "charset.");
NS_ASSERTION(NS_SUCCEEDED(res), "error initializing static charset menu from prefs");
// mark the end of the static area, the rest is cache
mMailviewCacheStart = mMailviewMenu.Count();
res = InitCacheMenu(decs, kNC_MailviewCharsetMenuRoot,
kMailviewCachePrefKey, &mMailviewMenu);
NS_ASSERTION(NS_SUCCEEDED(res), "error initializing mailview cache charset menu");
return res;
}
nsresult nsCharsetMenu::RefreshMaileditMenu()
{
nsresult res;
nsCOMPtr<nsIRDFContainer> container;
res = NewRDFContainer(mInner, kNC_MaileditCharsetMenuRoot, getter_AddRefs(container));
NS_ENSURE_SUCCESS(res, res);
nsCOMPtr<nsISimpleEnumerator> enumerator;
res = container->GetElements(getter_AddRefs(enumerator));
NS_ENSURE_SUCCESS(res, res);
// clear the menu
nsCOMPtr<nsIRDFNode> node;
while (NS_SUCCEEDED(enumerator->GetNext(getter_AddRefs(node)))) {
res = mInner->Unassert(kNC_MaileditCharsetMenuRoot, kNC_Name, node);
NS_ENSURE_SUCCESS(res, res);
res = container->RemoveElement(node, PR_FALSE);
NS_ENSURE_SUCCESS(res, res);
}
// get a list of available encoders
nsCOMPtr<nsISupportsArray> encs;
res = mCCManager->GetEncoderList(getter_AddRefs(encs));
NS_ENSURE_SUCCESS(res, res);
// add menu items from pref
res = AddFromPrefsToMenu(NULL, container, kMaileditPrefKey, encs, NULL);
NS_ASSERTION(NS_SUCCEEDED(res), "error initializing mailedit charset menu from prefs");
return res;
}
nsresult nsCharsetMenu::RefreshComposerMenu()
{
nsresult res = NS_OK;
nsCOMPtr<nsIRDFContainer> container;
res = NewRDFContainer(mInner, kNC_ComposerCharsetMenuRoot, getter_AddRefs(container));
if (NS_FAILED(res)) return res;
// clean the menu
res = ClearMenu(container, &mComposerMenu);
if (NS_FAILED(res)) return res;
nsCOMPtr<nsISupportsArray> decs;
res = mCCManager->GetDecoderList(getter_AddRefs(decs));
if (NS_FAILED(res)) return res;
res = AddFromPrefsToMenu(&mComposerMenu, container, kComposerStaticPrefKey,
decs, "charset.");
NS_ASSERTION(NS_SUCCEEDED(res), "error initializing static charset menu from prefs");
// mark the end of the static area, the rest is cache
mComposerCacheStart = mComposerMenu.Count();
res = InitCacheMenu(decs, kNC_ComposerCharsetMenuRoot,
kComposerCachePrefKey, &mComposerMenu);
NS_ASSERTION(NS_SUCCEEDED(res), "error initializing composer cache charset menu");
return res;
}
nsresult nsCharsetMenu::Init()
{
nsresult res = NS_OK;
nsIRDFContainerUtils * rdfUtil = NULL;
mRDFService->GetResource(kURINC_BrowserAutodetMenuRoot, &kNC_BrowserAutodetMenuRoot);
mRDFService->GetResource(kURINC_BrowserCharsetMenuRoot, &kNC_BrowserCharsetMenuRoot);
mRDFService->GetResource(kURINC_BrowserMoreCharsetMenuRoot, &kNC_BrowserMoreCharsetMenuRoot);
mRDFService->GetResource(kURINC_BrowserMore1CharsetMenuRoot, &kNC_BrowserMore1CharsetMenuRoot);
mRDFService->GetResource(kURINC_BrowserMore2CharsetMenuRoot, &kNC_BrowserMore2CharsetMenuRoot);
mRDFService->GetResource(kURINC_BrowserMore3CharsetMenuRoot, &kNC_BrowserMore3CharsetMenuRoot);
mRDFService->GetResource(kURINC_BrowserMore4CharsetMenuRoot, &kNC_BrowserMore4CharsetMenuRoot);
mRDFService->GetResource(kURINC_BrowserMore5CharsetMenuRoot, &kNC_BrowserMore5CharsetMenuRoot);
mRDFService->GetResource(kURINC_MaileditCharsetMenuRoot, &kNC_MaileditCharsetMenuRoot);
mRDFService->GetResource(kURINC_MailviewCharsetMenuRoot, &kNC_MailviewCharsetMenuRoot);
mRDFService->GetResource(kURINC_ComposerCharsetMenuRoot, &kNC_ComposerCharsetMenuRoot);
mRDFService->GetResource(kURINC_DecodersRoot, &kNC_DecodersRoot);
mRDFService->GetResource(kURINC_Name, &kNC_Name);
mRDFService->GetResource(kURINC_Checked, &kNC_Checked);
mRDFService->GetResource(kURINC_CharsetDetector, &kNC_CharsetDetector);
mRDFService->GetResource(kURINC_BookmarkSeparator, &kNC_BookmarkSeparator);
mRDFService->GetResource(kURINC_type, &kRDF_type);
res = nsComponentManager::CreateInstance(kRDFInMemoryDataSourceCID, nsnull,
NS_GET_IID(nsIRDFDataSource), (void**) &mInner);
if (NS_FAILED(res)) goto done;
res = nsServiceManager::GetService(kRDFContainerUtilsCID,
NS_GET_IID(nsIRDFContainerUtils), (nsISupports **)&rdfUtil);
if (NS_FAILED(res)) goto done;
res = rdfUtil->MakeSeq(mInner, kNC_BrowserAutodetMenuRoot, NULL);
if (NS_FAILED(res)) goto done;
res = rdfUtil->MakeSeq(mInner, kNC_BrowserCharsetMenuRoot, NULL);
if (NS_FAILED(res)) goto done;
res = rdfUtil->MakeSeq(mInner, kNC_BrowserMoreCharsetMenuRoot, NULL);
if (NS_FAILED(res)) goto done;
res = rdfUtil->MakeSeq(mInner, kNC_BrowserMore1CharsetMenuRoot, NULL);
if (NS_FAILED(res)) goto done;
res = rdfUtil->MakeSeq(mInner, kNC_BrowserMore2CharsetMenuRoot, NULL);
if (NS_FAILED(res)) goto done;
res = rdfUtil->MakeSeq(mInner, kNC_BrowserMore3CharsetMenuRoot, NULL);
if (NS_FAILED(res)) goto done;
res = rdfUtil->MakeSeq(mInner, kNC_BrowserMore4CharsetMenuRoot, NULL);
if (NS_FAILED(res)) goto done;
res = rdfUtil->MakeSeq(mInner, kNC_BrowserMore5CharsetMenuRoot, NULL);
if (NS_FAILED(res)) goto done;
res = rdfUtil->MakeSeq(mInner, kNC_MaileditCharsetMenuRoot, NULL);
if (NS_FAILED(res)) goto done;
res = rdfUtil->MakeSeq(mInner, kNC_MailviewCharsetMenuRoot, NULL);
if (NS_FAILED(res)) goto done;
res = rdfUtil->MakeSeq(mInner, kNC_ComposerCharsetMenuRoot, NULL);
if (NS_FAILED(res)) goto done;
res = rdfUtil->MakeSeq(mInner, kNC_DecodersRoot, NULL);
if (NS_FAILED(res)) goto done;
res = mRDFService->RegisterDataSource(this, PR_FALSE);
done:
if (rdfUtil != NULL) nsServiceManager::ReleaseService(kRDFContainerUtilsCID,
rdfUtil);
return res;
}
nsresult nsCharsetMenu::Done()
{
nsresult res = NS_OK;
res = mRDFService->UnregisterDataSource(this);
NS_IF_RELEASE(kNC_BrowserAutodetMenuRoot);
NS_IF_RELEASE(kNC_BrowserCharsetMenuRoot);
NS_IF_RELEASE(kNC_BrowserMoreCharsetMenuRoot);
NS_IF_RELEASE(kNC_BrowserMore1CharsetMenuRoot);
NS_IF_RELEASE(kNC_BrowserMore2CharsetMenuRoot);
NS_IF_RELEASE(kNC_BrowserMore3CharsetMenuRoot);
NS_IF_RELEASE(kNC_BrowserMore4CharsetMenuRoot);
NS_IF_RELEASE(kNC_BrowserMore5CharsetMenuRoot);
NS_IF_RELEASE(kNC_MaileditCharsetMenuRoot);
NS_IF_RELEASE(kNC_MailviewCharsetMenuRoot);
NS_IF_RELEASE(kNC_ComposerCharsetMenuRoot);
NS_IF_RELEASE(kNC_DecodersRoot);
NS_IF_RELEASE(kNC_Name);
NS_IF_RELEASE(kNC_Checked);
NS_IF_RELEASE(kNC_CharsetDetector);
NS_IF_RELEASE(kNC_BookmarkSeparator);
NS_IF_RELEASE(kRDF_type);
NS_IF_RELEASE(mInner);
return res;
}
nsresult nsCharsetMenu::SetCharsetCheckmark(nsString * aCharset,
PRBool aValue)
{
nsresult res = NS_OK;
nsCOMPtr<nsIRDFContainer> container;
nsCOMPtr<nsIRDFResource> node;
res = NewRDFContainer(mInner, kNC_BrowserCharsetMenuRoot, getter_AddRefs(container));
if (NS_FAILED(res)) return res;
// find RDF node for given charset
char csID[256];
aCharset->ToCString(csID, sizeof(csID));
res = mRDFService->GetResource(csID, getter_AddRefs(node));
if (NS_FAILED(res)) return res;
// set checkmark value
nsCOMPtr<nsIRDFLiteral> checkedLiteral;
nsAutoString checked; checked.AssignWithConversion((aValue == PR_TRUE) ? "true" : "false");
res = mRDFService->GetLiteral(checked.get(), getter_AddRefs(checkedLiteral));
if (NS_FAILED(res)) return res;
res = Assert(node, kNC_Checked, checkedLiteral, PR_TRUE);
if (NS_FAILED(res)) return res;
return res;
}
/**
* Init the resources needed by the component.
*/
nsresult nsCharsetMenu::InitResources()
{
nsresult res = NS_OK;
mRDFService = do_GetService(kRDFServiceCID, &res);
if (NS_FAILED(res)) return res;
mCCManager = do_GetService(kCharsetConverterManagerCID, &res);
if (NS_FAILED(res)) return res;
res = mCCManager->GetDecoderList(getter_AddRefs(mDecoderList));
if (NS_FAILED(res)) return res;
res = mCCManager->GetEncoderList(getter_AddRefs(mEncoderList));
if (NS_FAILED(res)) return res;
mPrefService = do_GetService(NS_PREF_CONTRACTID, &res);
if (NS_FAILED(res)) return res;
mCharsetMenuObserver = new nsCharsetMenuObserver(this);
NS_ENSURE_TRUE(mCharsetMenuObserver, NS_ERROR_OUT_OF_MEMORY);
return res;
}
/**
* Free the resources no longer needed by the component.
*/
nsresult nsCharsetMenu::FreeResources()
{
nsresult res = NS_OK;
if (mCharsetMenuObserver) {
mPrefService->RemoveObserver(kBrowserStaticPrefKey, mCharsetMenuObserver);
mPrefService->RemoveObserver(kMaileditPrefKey, mCharsetMenuObserver);
}
mRDFService = NULL;
mCCManager = NULL;
mPrefService = NULL;
return res;
}
// XXX collapse these initAAAMenu()'s in one
nsresult nsCharsetMenu::InitBrowserMenu()
{
nsresult res = NS_OK;
nsCOMPtr<nsIRDFContainer> container;
res = NewRDFContainer(mInner, kNC_BrowserCharsetMenuRoot, getter_AddRefs(container));
if (NS_FAILED(res)) return res;
nsCOMPtr<nsISupportsArray> browserDecoderList;
res = mDecoderList->Clone(getter_AddRefs(browserDecoderList));
if (NS_FAILED(res)) return res;
// even if we fail, the show must go on
res = InitStaticMenu(browserDecoderList, kNC_BrowserCharsetMenuRoot,
kBrowserStaticPrefKey, &mBrowserMenu);
NS_ASSERTION(NS_SUCCEEDED(res), "error initializing browser static charset menu");
// mark the end of the static area, the rest is cache
mBrowserCacheStart = mBrowserMenu.Count();
mPrefService->GetIntPref(kBrowserCacheSizePrefKey, &mBrowserCacheSize);
// compute the position of the menu in the RDF container
res = container->GetCount(&mBrowserMenuRDFPosition);
if (NS_FAILED(res)) return res;
// this "1" here is a correction necessary because the RDF container
// elements are numbered from 1 (why god, WHY?!?!?!)
mBrowserMenuRDFPosition -= mBrowserCacheStart - 1;
res = InitCacheMenu(browserDecoderList, kNC_BrowserCharsetMenuRoot, kBrowserCachePrefKey,
&mBrowserMenu);
NS_ASSERTION(NS_SUCCEEDED(res), "error initializing browser cache charset menu");
// register prefs callback
res = mPrefService->AddObserver(kBrowserStaticPrefKey, mCharsetMenuObserver);
return res;
}
nsresult nsCharsetMenu::InitMaileditMenu()
{
nsresult res = NS_OK;
nsCOMPtr<nsIRDFContainer> container;
res = NewRDFContainer(mInner, kNC_MaileditCharsetMenuRoot, getter_AddRefs(container));
if (NS_FAILED(res)) return res;
nsCOMPtr<nsISupportsArray> maileditEncoderList;
res = mEncoderList->Clone(getter_AddRefs(maileditEncoderList));
if (NS_FAILED(res)) return res;
res = AddFromPrefsToMenu(NULL, container, kMaileditPrefKey, maileditEncoderList, NULL);
NS_ASSERTION(NS_SUCCEEDED(res), "error initializing mailedit charset menu from prefs");
// register prefs callback
res = mPrefService->AddObserver(kMaileditPrefKey, mCharsetMenuObserver);
return res;
}
nsresult nsCharsetMenu::InitMailviewMenu()
{
nsresult res = NS_OK;
nsCOMPtr<nsIRDFContainer> container;
res = NewRDFContainer(mInner, kNC_MailviewCharsetMenuRoot, getter_AddRefs(container));
if (NS_FAILED(res)) return res;
nsCOMPtr<nsISupportsArray> mailviewDecoderList;
res = mDecoderList->Clone(getter_AddRefs(mailviewDecoderList));
if (NS_FAILED(res)) return res;
// even if we fail, the show must go on
res = InitStaticMenu(mailviewDecoderList, kNC_MailviewCharsetMenuRoot,
kMailviewStaticPrefKey, &mMailviewMenu);
NS_ASSERTION(NS_SUCCEEDED(res), "error initializing mailview static charset menu");
// mark the end of the static area, the rest is cache
mMailviewCacheStart = mMailviewMenu.Count();
mPrefService->GetIntPref(kMailviewCacheSizePrefKey, &mMailviewCacheSize);
// compute the position of the menu in the RDF container
res = container->GetCount(&mMailviewMenuRDFPosition);
if (NS_FAILED(res)) return res;
// this "1" here is a correction necessary because the RDF container
// elements are numbered from 1 (why god, WHY?!?!?!)
mMailviewMenuRDFPosition -= mMailviewCacheStart - 1;
res = InitCacheMenu(mailviewDecoderList, kNC_MailviewCharsetMenuRoot,
kMailviewCachePrefKey, &mMailviewMenu);
NS_ASSERTION(NS_SUCCEEDED(res), "error initializing mailview cache charset menu");
return res;
}
nsresult nsCharsetMenu::InitComposerMenu()
{
nsresult res = NS_OK;
nsCOMPtr<nsIRDFContainer> container;
res = NewRDFContainer(mInner, kNC_ComposerCharsetMenuRoot, getter_AddRefs(container));
if (NS_FAILED(res)) return res;
nsCOMPtr<nsISupportsArray> composerDecoderList;
res = mDecoderList->Clone(getter_AddRefs(composerDecoderList));
if (NS_FAILED(res)) return res;
// even if we fail, the show must go on
res = InitStaticMenu(composerDecoderList, kNC_ComposerCharsetMenuRoot,
kComposerStaticPrefKey, &mComposerMenu);
NS_ASSERTION(NS_SUCCEEDED(res), "error initializing composer static charset menu");
// mark the end of the static area, the rest is cache
mComposerCacheStart = mComposerMenu.Count();
mPrefService->GetIntPref(kComposerCacheSizePrefKey, &mComposerCacheSize);
// compute the position of the menu in the RDF container
res = container->GetCount(&mComposerMenuRDFPosition);
if (NS_FAILED(res)) return res;
// this "1" here is a correction necessary because the RDF container
// elements are numbered from 1 (why god, WHY?!?!?!)
mComposerMenuRDFPosition -= mComposerCacheStart - 1;
res = InitCacheMenu(composerDecoderList, kNC_ComposerCharsetMenuRoot,
kComposerCachePrefKey, &mComposerMenu);
NS_ASSERTION(NS_SUCCEEDED(res), "error initializing composer cache charset menu");
return res;
}
nsresult nsCharsetMenu::InitOthers()
{
nsresult res = NS_OK;
nsCOMPtr<nsISupportsArray> othersDecoderList;
res = mDecoderList->Clone(getter_AddRefs(othersDecoderList));
if (NS_FAILED(res)) return res;
res = InitMoreMenu(othersDecoderList, kNC_DecodersRoot, ".notForBrowser");
if (NS_FAILED(res)) return res;
return res;
}
/**
* Inits the secondary tiers of the charset menu. Because currently all the CS
* menus are sharing the secondary tiers, one should call this method only
* once for all of them.
*/
nsresult nsCharsetMenu::InitSecondaryTiers()
{
nsresult res = NS_OK;
nsCOMPtr<nsISupportsArray> secondaryTiersDecoderList;
res = mDecoderList->Clone(getter_AddRefs(secondaryTiersDecoderList));
if (NS_FAILED(res)) return res;
res = InitMoreSubmenus(secondaryTiersDecoderList);
NS_ASSERTION(NS_SUCCEEDED(res), "err init browser charset more submenus");
res = InitMoreMenu(secondaryTiersDecoderList, kNC_BrowserMoreCharsetMenuRoot, ".notForBrowser");
NS_ASSERTION(NS_SUCCEEDED(res), "err init browser charset more menu");
res = InitAutodetMenu(kNC_BrowserAutodetMenuRoot);
NS_ASSERTION(NS_SUCCEEDED(res), "err init chardet menu");
return res;
}
nsresult nsCharsetMenu::InitStaticMenu(
nsISupportsArray * aDecs,
nsIRDFResource * aResource,
const char * aKey,
nsVoidArray * aArray)
{
nsresult res = NS_OK;
nsCOMPtr<nsIRDFContainer> container;
res = NewRDFContainer(mInner, aResource, getter_AddRefs(container));
if (NS_FAILED(res)) return res;
// XXX work around bug that causes the submenus to be first instead of last
res = AddSeparatorToContainer(container);
NS_ASSERTION(NS_SUCCEEDED(res), "error adding separator to container");
res = AddFromPrefsToMenu(aArray, container, aKey, aDecs, "charset.");
NS_ASSERTION(NS_SUCCEEDED(res), "error initializing static charset menu from prefs");
return res;
}
nsresult nsCharsetMenu::InitCacheMenu(
nsISupportsArray * aDecs,
nsIRDFResource * aResource,
const char * aKey,
nsVoidArray * aArray)
{
nsresult res = NS_OK;
nsCOMPtr<nsIRDFContainer> container;
res = NewRDFContainer(mInner, aResource, getter_AddRefs(container));
if (NS_FAILED(res)) return res;
res = AddFromNolocPrefsToMenu(aArray, container, aKey, aDecs, "charset.");
NS_ASSERTION(NS_SUCCEEDED(res), "error initializing cache charset menu from prefs");
return res;
}
nsresult nsCharsetMenu::InitAutodetMenu(nsIRDFResource * aResource)
{
nsresult res = NS_OK;
nsVoidArray chardetArray;
nsCOMPtr<nsIRDFContainer> container;
res = NewRDFContainer(mInner, aResource, getter_AddRefs(container));
if (NS_FAILED(res)) return res;
nsCOMPtr<nsISupportsArray> array;
res = mCCManager->GetCharsetDetectorList(getter_AddRefs(array));
if (NS_FAILED(res)) goto done;
res = AddCharsetArrayToItemArray(&chardetArray, array);
if (NS_FAILED(res)) goto done;
// reorder the array
res = ReorderMenuItemArray(&chardetArray);
if (NS_FAILED(res)) goto done;
res = AddMenuItemArrayToContainer(container, &chardetArray,
kNC_CharsetDetector);
if (NS_FAILED(res)) goto done;
done:
// free the elements in the VoidArray
FreeMenuItemArray(&chardetArray);
return res;
}
nsresult nsCharsetMenu::InitMoreMenu(
nsISupportsArray * aDecs,
nsIRDFResource * aResource,
char * aFlag)
{
nsresult res = NS_OK;
nsCOMPtr<nsIRDFContainer> container;
nsVoidArray moreMenu;
nsAutoString prop; prop.AssignWithConversion(aFlag);
res = NewRDFContainer(mInner, aResource, getter_AddRefs(container));
if (NS_FAILED(res)) goto done;
// remove charsets "not for browser"
res = RemoveFlaggedCharsets(aDecs, &prop);
if (NS_FAILED(res)) goto done;
res = AddCharsetArrayToItemArray(&moreMenu, aDecs);
if (NS_FAILED(res)) goto done;
// reorder the array
res = ReorderMenuItemArray(&moreMenu);
if (NS_FAILED(res)) goto done;
res = AddMenuItemArrayToContainer(container, &moreMenu, NULL);
if (NS_FAILED(res)) goto done;
done:
// free the elements in the VoidArray
FreeMenuItemArray(&moreMenu);
return res;
}
// XXX please make this method more general; the cut&pasted code is laughable
nsresult nsCharsetMenu::InitMoreSubmenus(nsISupportsArray * aDecs)
{
nsresult res = NS_OK;
nsCOMPtr<nsIRDFContainer> container1;
nsCOMPtr<nsIRDFContainer> container2;
nsCOMPtr<nsIRDFContainer> container3;
nsCOMPtr<nsIRDFContainer> container4;
nsCOMPtr<nsIRDFContainer> container5;
char * key1 = "intl.charsetmenu.browser.more1";
char * key2 = "intl.charsetmenu.browser.more2";
char * key3 = "intl.charsetmenu.browser.more3";
char * key4 = "intl.charsetmenu.browser.more4";
char * key5 = "intl.charsetmenu.browser.more5";
res = NewRDFContainer(mInner, kNC_BrowserMore1CharsetMenuRoot,
getter_AddRefs(container1));
if (NS_FAILED(res)) return res;
AddFromPrefsToMenu(NULL, container1, key1, aDecs, NULL);
res = NewRDFContainer(mInner, kNC_BrowserMore2CharsetMenuRoot,
getter_AddRefs(container2));
if (NS_FAILED(res)) return res;
AddFromPrefsToMenu(NULL, container2, key2, aDecs, NULL);
res = NewRDFContainer(mInner, kNC_BrowserMore3CharsetMenuRoot,
getter_AddRefs(container3));
if (NS_FAILED(res)) return res;
AddFromPrefsToMenu(NULL, container3, key3, aDecs, NULL);
res = NewRDFContainer(mInner, kNC_BrowserMore4CharsetMenuRoot,
getter_AddRefs(container4));
if (NS_FAILED(res)) return res;
AddFromPrefsToMenu(NULL, container4, key4, aDecs, NULL);
res = NewRDFContainer(mInner, kNC_BrowserMore5CharsetMenuRoot,
getter_AddRefs(container5));
if (NS_FAILED(res)) return res;
AddFromPrefsToMenu(NULL, container5, key5, aDecs, NULL);
return res;
}
nsresult nsCharsetMenu::AddCharsetToItemArray(
nsVoidArray * aArray,
nsIAtom * aCharset,
nsMenuEntry ** aResult,
PRInt32 aPlace)
{
nsresult res = NS_OK;
nsMenuEntry * item = NULL;
if (aResult != NULL) *aResult = NULL;
item = new nsMenuEntry();
if (item == NULL) {
res = NS_ERROR_OUT_OF_MEMORY;
goto done;
}
item->mCharset = aCharset;
res = mCCManager->GetCharsetTitle2(aCharset, &item->mTitle);
if (NS_FAILED(res)) {
res = aCharset->ToString(item->mTitle);
if (NS_FAILED(res)) goto done;
}
if (aArray != NULL) {
if (aPlace < 0) {
res = aArray->AppendElement(item);
if (NS_FAILED(res)) goto done;
} else {
res = aArray->InsertElementAt(item, aPlace);
if (NS_FAILED(res)) goto done;
}
}
if (aResult != NULL) *aResult = item;
// if we have made another reference to "item", do not delete it
if ((aArray != NULL) || (aResult != NULL)) item = NULL;
done:
if (item != NULL) delete item;
return res;
}
nsresult nsCharsetMenu::AddCharsetArrayToItemArray(
nsVoidArray * aArray,
nsISupportsArray * aCharsets)
{
PRUint32 count;
nsresult res = aCharsets->Count(&count);
if (NS_FAILED(res)) return res;
for (PRUint32 i = 0; i < count; i++) {
nsCOMPtr<nsIAtom> cs;
res = aCharsets->GetElementAt(i, getter_AddRefs(cs));
if (NS_FAILED(res)) return res;
res = AddCharsetToItemArray(aArray, cs, NULL, -1);
if (NS_FAILED(res)) return res;
}
return NS_OK;
}
// aPlace < -1 for Remove
// aPlace < 0 for Append
nsresult nsCharsetMenu::AddMenuItemToContainer(
nsIRDFContainer * aContainer,
nsMenuEntry * aItem,
nsIRDFResource * aType,
char * aIDPrefix,
PRInt32 aPlace)
{
nsresult res = NS_OK;
nsCOMPtr<nsIRDFResource> node;
nsAutoString cs;
res = aItem->mCharset->ToString(cs);
if (NS_FAILED(res)) return res;
nsAutoString id;
if (aIDPrefix != NULL) id.AssignWithConversion(aIDPrefix);
id.Append(cs);
// Make up a unique ID and create the RDF NODE
char csID[256];
id.ToCString(csID, sizeof(csID));
res = mRDFService->GetResource(csID, getter_AddRefs(node));
if (NS_FAILED(res)) return res;
const PRUnichar * title = aItem->mTitle.get();
// set node's title
nsCOMPtr<nsIRDFLiteral> titleLiteral;
res = mRDFService->GetLiteral(title, getter_AddRefs(titleLiteral));
if (NS_FAILED(res)) return res;
if (aPlace < -1) {
res = Unassert(node, kNC_Name, titleLiteral);
if (NS_FAILED(res)) return res;
} else {
res = Assert(node, kNC_Name, titleLiteral, PR_TRUE);
if (NS_FAILED(res)) return res;
}
if (aType != NULL) {
if (aPlace < -1) {
res = Unassert(node, kRDF_type, aType);
if (NS_FAILED(res)) return res;
} else {
res = Assert(node, kRDF_type, aType, PR_TRUE);
if (NS_FAILED(res)) return res;
}
}
// Add the element to the container
if (aPlace < -1) {
res = aContainer->RemoveElement(node, PR_TRUE);
if (NS_FAILED(res)) return res;
} else if (aPlace < 0) {
res = aContainer->AppendElement(node);
if (NS_FAILED(res)) return res;
} else {
res = aContainer->InsertElementAt(node, aPlace, PR_TRUE);
if (NS_FAILED(res)) return res;
}
return res;
}
nsresult nsCharsetMenu::AddMenuItemArrayToContainer(
nsIRDFContainer * aContainer,
nsVoidArray * aArray,
nsIRDFResource * aType)
{
PRUint32 count = aArray->Count();
nsresult res = NS_OK;
for (PRUint32 i = 0; i < count; i++) {
nsMenuEntry * item = (nsMenuEntry *) aArray->ElementAt(i);
if (item == NULL) return NS_ERROR_UNEXPECTED;
res = AddMenuItemToContainer(aContainer, item, aType, NULL, -1);
if (NS_FAILED(res)) return res;
}
return NS_OK;
}
nsresult nsCharsetMenu::AddCharsetToContainer(
nsVoidArray * aArray,
nsIRDFContainer * aContainer,
nsIAtom * aCharset,
char * aIDPrefix,
PRInt32 aPlace,
PRInt32 aRDFPlace)
{
nsresult res = NS_OK;
nsMenuEntry * item = NULL;
res = AddCharsetToItemArray(aArray, aCharset, &item, aPlace);
if (NS_FAILED(res)) goto done;
res = AddMenuItemToContainer(aContainer, item, NULL, aIDPrefix,
aPlace + aRDFPlace);
if (NS_FAILED(res)) goto done;
// if we have made another reference to "item", do not delete it
if (aArray != NULL) item = NULL;
done:
if (item != NULL) delete item;
return res;
}
nsresult nsCharsetMenu::AddFromPrefsToMenu(
nsVoidArray * aArray,
nsIRDFContainer * aContainer,
const char * aKey,
nsISupportsArray * aDecs,
char * aIDPrefix)
{
nsresult res = NS_OK;
PRUnichar * value = NULL;
res = mPrefService->GetLocalizedUnicharPref(aKey, &value);
if (NS_FAILED(res)) return res;
if (value != NULL) {
res = AddFromStringToMenu(NS_CONST_CAST(char *, NS_ConvertUCS2toUTF8(value).get()), aArray, aContainer,
aDecs, aIDPrefix);
nsMemory::Free(value);
}
return res;
}
nsresult nsCharsetMenu::AddFromNolocPrefsToMenu(
nsVoidArray * aArray,
nsIRDFContainer * aContainer,
const char * aKey,
nsISupportsArray * aDecs,
char * aIDPrefix)
{
nsresult res = NS_OK;
char * value = NULL;
res = mPrefService->CopyCharPref(aKey, &value);
if (NS_FAILED(res)) return res;
if (value != NULL) {
res = AddFromStringToMenu(value, aArray, aContainer, aDecs, aIDPrefix);
nsMemory::Free(value);
}
return res;
}
nsresult nsCharsetMenu::AddFromStringToMenu(
char * aCharsetList,
nsVoidArray * aArray,
nsIRDFContainer * aContainer,
nsISupportsArray * aDecs,
char * aIDPrefix)
{
nsresult res = NS_OK;
char * p = aCharsetList;
char * q = p;
while (*p != 0) {
for (; (*q != ',') && (*q != ' ') && (*q != 0); q++) {;}
char temp = *q;
*q = 0;
nsCOMPtr<nsIAtom> atom;
res = mCCManager->GetCharsetAtom2(p, getter_AddRefs(atom));
NS_ASSERTION(NS_SUCCEEDED(res), "cannot get charset atom");
if (NS_FAILED(res)) break;
// if this charset is not on the accepted list of charsets, ignore it
PRInt32 index;
res = aDecs->GetIndexOf(atom, &index);
if (NS_SUCCEEDED(res) && (index >= 0)) {
// else, add it to the menu
res = AddCharsetToContainer(aArray, aContainer, atom, aIDPrefix, -1, 0);
NS_ASSERTION(NS_SUCCEEDED(res), "cannot add charset to menu");
if (NS_FAILED(res)) break;
res = aDecs->RemoveElement(atom);
NS_ASSERTION(NS_SUCCEEDED(res), "cannot remove atom from array");
}
*q = temp;
for (; (*q == ',') || (*q == ' '); q++) {;}
p=q;
}
return NS_OK;
}
nsresult nsCharsetMenu::AddSeparatorToContainer(nsIRDFContainer * aContainer)
{
nsAutoString str;
str.AssignWithConversion("----");
// hack to generate unique id's for separators
static PRInt32 u = 0;
u++;
str.AppendInt(u);
nsMenuEntry item;
item.mCharset = getter_AddRefs(NS_NewAtom(str));
item.mTitle.Assign(str);
return AddMenuItemToContainer(aContainer, &item, kNC_BookmarkSeparator,
NULL, -1);
}
nsresult nsCharsetMenu::AddCharsetToCache(
nsIAtom * aCharset,
nsVoidArray * aArray,
nsIRDFResource * aRDFResource,
PRInt32 aCacheStart,
PRInt32 aCacheSize,
PRInt32 aRDFPlace)
{
PRInt32 i;
nsresult res = NS_OK;
i = FindMenuItemInArray(aArray, aCharset, NULL);
if (i >= 0) return res;
nsCOMPtr<nsIRDFContainer> container;
res = NewRDFContainer(mInner, aRDFResource, getter_AddRefs(container));
if (NS_FAILED(res)) return res;
// iff too many items, remove last one
if (aArray->Count() - aCacheStart >= aCacheSize){
res = RemoveLastMenuItem(container, aArray);
if (NS_FAILED(res)) return res;
}
res = AddCharsetToContainer(aArray, container, aCharset, "charset.",
aCacheStart, aRDFPlace);
return res;
}
nsresult nsCharsetMenu::WriteCacheToPrefs(nsVoidArray * aArray,
PRInt32 aCacheStart,
const char * aKey)
{
nsresult res = NS_OK;
// create together the cache string
nsAutoString cache;
nsAutoString sep; sep.AppendWithConversion(", ");
PRInt32 count = aArray->Count();
for (PRInt32 i = aCacheStart; i < count; i++) {
nsMenuEntry * item = (nsMenuEntry *) aArray->ElementAt(i);
if (item != NULL) {
nsAutoString cs;
res = item->mCharset->ToString(cs);
if (NS_SUCCEEDED(res)) {
cache.Append(cs);
if (i < count - 1) {
cache.Append(sep);
}
}
}
}
// write the pref
res = mPrefService->SetCharPref(aKey, NS_ConvertUCS2toUTF8(cache).get());
return res;
}
nsresult nsCharsetMenu::ClearMenu(nsIRDFContainer * aContainer,
nsVoidArray * aArray)
{
nsresult res = NS_OK;
// clean the RDF data source
PRInt32 count = aArray->Count();
for (PRInt32 i = 0; i < count; i++) {
nsMenuEntry * item = (nsMenuEntry *) aArray->ElementAt(i);
if (item != NULL) {
res = AddMenuItemToContainer(aContainer, item, NULL, "charset.", -2);
if (NS_FAILED(res)) return res;
}
}
// clean the internal data structures
FreeMenuItemArray(aArray);
return res;
}
nsresult nsCharsetMenu::RemoveLastMenuItem(nsIRDFContainer * aContainer,
nsVoidArray * aArray)
{
nsresult res = NS_OK;
PRInt32 last = aArray->Count() - 1;
nsMenuEntry * item = (nsMenuEntry *) aArray->ElementAt(last);
if (item != NULL) {
res = AddMenuItemToContainer(aContainer, item, NULL, "charset.", -2);
if (NS_FAILED(res)) return res;
res = aArray->RemoveElementAt(last);
if (NS_FAILED(res)) return res;
}
return res;
}
nsresult nsCharsetMenu::RemoveFlaggedCharsets(
nsISupportsArray * aList,
nsString * aProp)
{
nsresult res = NS_OK;
PRUint32 count;
res = aList->Count(&count);
if (NS_FAILED(res)) return res;
for (PRUint32 i = 0; i < count; i++) {
nsCOMPtr<nsIAtom> atom;
res = aList->GetElementAt(i, getter_AddRefs(atom));
if (NS_FAILED(res)) continue;
nsAutoString str;
res = mCCManager->GetCharsetData2(atom, aProp->get(), &str);
if (NS_FAILED(res)) continue;
res = aList->RemoveElement(atom);
if (NS_FAILED(res)) continue;
i--;
count--;
}
return NS_OK;
}
nsresult nsCharsetMenu::NewRDFContainer(nsIRDFDataSource * aDataSource,
nsIRDFResource * aResource,
nsIRDFContainer ** aResult)
{
nsresult res;
res = nsComponentManager::CreateInstance(kRDFContainerCID, NULL,
NS_GET_IID(nsIRDFContainer), (void**)aResult);
if (NS_FAILED(res)) return res;
res = (*aResult)->Init(aDataSource, aResource);
if (NS_FAILED(res)) NS_RELEASE(*aResult);
return res;
}
void nsCharsetMenu::FreeMenuItemArray(nsVoidArray * aArray)
{
PRUint32 count = aArray->Count();
for (PRUint32 i = 0; i < count; i++) {
nsMenuEntry * item = (nsMenuEntry *) aArray->ElementAt(i);
if (item != NULL) {
delete item;
}
}
aArray->Clear();
}
PRInt32 nsCharsetMenu::FindMenuItemInArray(nsVoidArray * aArray,
nsIAtom * aCharset,
nsMenuEntry ** aResult)
{
PRUint32 count = aArray->Count();
for (PRUint32 i=0; i < count; i++) {
nsMenuEntry * item = (nsMenuEntry *) aArray->ElementAt(i);
if ((item->mCharset).get() == aCharset) {
if (aResult != NULL) *aResult = item;
return i;
}
}
if (aResult != NULL) *aResult = NULL;
return -1;
}
nsresult nsCharsetMenu::ReorderMenuItemArray(nsVoidArray * aArray)
{
nsresult res = NS_OK;
nsCOMPtr<nsICollation> collation;
PRUint32 count = aArray->Count();
PRUint32 i;
// we need to use a temporary array
charsetMenuSortRecord *array = new charsetMenuSortRecord [count];
NS_ENSURE_TRUE(array, NS_ERROR_OUT_OF_MEMORY);
for (i = 0; i < count; i++)
array[i].key = nsnull;
res = GetCollation(getter_AddRefs(collation));
if (NS_FAILED(res))
goto done;
for (i = 0; i < count && NS_SUCCEEDED(res); i++) {
array[i].item = (nsMenuEntry *)aArray->ElementAt(i);
res = collation->GetSortKeyLen(kCollationCaseInSensitive,
(array[i].item)->mTitle, &array[i].len);
if (NS_SUCCEEDED(res)) {
array[i].key = new PRUint8 [array[i].len];
if (!(array[i].key)) {
res = NS_ERROR_OUT_OF_MEMORY;
goto done;
}
res = collation->CreateRawSortKey(kCollationCaseInSensitive,
(array[i].item)->mTitle, array[i].key, &array[i].len);
}
}
// reorder the array
if (NS_SUCCEEDED(res)) {
NS_QuickSort(array, count, sizeof(*array), CompareMenuItems, collation);
// move the elements from the temporary array into the the real one
aArray->Clear();
for (i = 0; i < count; i++) {
aArray->AppendElement(array[i].item);
}
}
done:
for (i = 0; i < count; i++) {
if (array[i].key)
delete [] array[i].key;
}
delete [] array;
return res;
}
nsresult nsCharsetMenu::GetCollation(nsICollation ** aCollation)
{
nsresult res = NS_OK;
nsCOMPtr<nsILocale> locale = nsnull;
nsICollationFactory * collationFactory = nsnull;
nsCOMPtr<nsILocaleService> localeServ =
do_GetService(kLocaleServiceCID, &res);
if (NS_FAILED(res)) return res;
res = localeServ->GetApplicationLocale(getter_AddRefs(locale));
if (NS_FAILED(res)) return res;
res = nsComponentManager::CreateInstance(kCollationFactoryCID, NULL,
NS_GET_IID(nsICollationFactory), (void**) &collationFactory);
if (NS_FAILED(res)) return res;
res = collationFactory->CreateCollation(locale, aCollation);
NS_RELEASE(collationFactory);
return res;
}
//----------------------------------------------------------------------------
// Interface nsICurrentCharsetListener [implementation]
NS_IMETHODIMP nsCharsetMenu::SetCurrentCharset(const PRUnichar * aCharset)
{
nsresult res;
nsCOMPtr<nsIAtom> atom;
res = mCCManager->GetCharsetAtom(aCharset, getter_AddRefs(atom));
if (NS_FAILED(res)) return res;
res = AddCharsetToCache(atom, &mBrowserMenu, kNC_BrowserCharsetMenuRoot,
mBrowserCacheStart, mBrowserCacheSize, mBrowserMenuRDFPosition);
if (NS_FAILED(res)) return res;
res = WriteCacheToPrefs(&mBrowserMenu, mBrowserCacheStart,
kBrowserCachePrefKey);
return res;
}
NS_IMETHODIMP nsCharsetMenu::SetCurrentMailCharset(const PRUnichar * aCharset)
{
nsresult res;
nsCOMPtr<nsIAtom> atom;
res = mCCManager->GetCharsetAtom(aCharset, getter_AddRefs(atom));
if (NS_FAILED(res)) return res;
res = AddCharsetToCache(atom, &mMailviewMenu, kNC_MailviewCharsetMenuRoot,
mMailviewCacheStart, mMailviewCacheSize, mMailviewMenuRDFPosition);
if (NS_FAILED(res)) return res;
res = WriteCacheToPrefs(&mMailviewMenu, mMailviewCacheStart,
kMailviewCachePrefKey);
return res;
}
NS_IMETHODIMP nsCharsetMenu::SetCurrentComposerCharset(const PRUnichar * aCharset)
{
nsresult res;
nsCOMPtr<nsIAtom> atom;
res = mCCManager->GetCharsetAtom(aCharset, getter_AddRefs(atom));
if (NS_FAILED(res)) return res;
res = AddCharsetToCache(atom, &mComposerMenu, kNC_ComposerCharsetMenuRoot,
mComposerCacheStart, mComposerCacheSize, mComposerMenuRDFPosition);
if (NS_FAILED(res)) return res;
res = WriteCacheToPrefs(&mComposerMenu, mComposerCacheStart,
kComposerCachePrefKey);
return res;
}
//----------------------------------------------------------------------------
// Interface nsIRDFDataSource [implementation]
NS_IMETHODIMP nsCharsetMenu::GetURI(char ** uri)
{
if (!uri) return NS_ERROR_NULL_POINTER;
*uri = nsCRT::strdup("rdf:charset-menu");
if (!(*uri)) return NS_ERROR_OUT_OF_MEMORY;
return NS_OK;
}
NS_IMETHODIMP nsCharsetMenu::GetSource(nsIRDFResource* property,
nsIRDFNode* target,
PRBool tv,
nsIRDFResource** source)
{
return mInner->GetSource(property, target, tv, source);
}
NS_IMETHODIMP nsCharsetMenu::GetSources(nsIRDFResource* property,
nsIRDFNode* target,
PRBool tv,
nsISimpleEnumerator** sources)
{
return mInner->GetSources(property, target, tv, sources);
}
NS_IMETHODIMP nsCharsetMenu::GetTarget(nsIRDFResource* source,
nsIRDFResource* property,
PRBool tv,
nsIRDFNode** target)
{
return mInner->GetTarget(source, property, tv, target);
}
NS_IMETHODIMP nsCharsetMenu::GetTargets(nsIRDFResource* source,
nsIRDFResource* property,
PRBool tv,
nsISimpleEnumerator** targets)
{
return mInner->GetTargets(source, property, tv, targets);
}
NS_IMETHODIMP nsCharsetMenu::Assert(nsIRDFResource* aSource,
nsIRDFResource* aProperty,
nsIRDFNode* aTarget,
PRBool aTruthValue)
{
// TODO: filter out asserts we don't care about
return mInner->Assert(aSource, aProperty, aTarget, aTruthValue);
}
NS_IMETHODIMP nsCharsetMenu::Unassert(nsIRDFResource* aSource,
nsIRDFResource* aProperty,
nsIRDFNode* aTarget)
{
// TODO: filter out unasserts we don't care about
return mInner->Unassert(aSource, aProperty, aTarget);
}
NS_IMETHODIMP nsCharsetMenu::Change(nsIRDFResource* aSource,
nsIRDFResource* aProperty,
nsIRDFNode* aOldTarget,
nsIRDFNode* aNewTarget)
{
// TODO: filter out changes we don't care about
return mInner->Change(aSource, aProperty, aOldTarget, aNewTarget);
}
NS_IMETHODIMP nsCharsetMenu::Move(nsIRDFResource* aOldSource,
nsIRDFResource* aNewSource,
nsIRDFResource* aProperty,
nsIRDFNode* aTarget)
{
// TODO: filter out changes we don't care about
return mInner->Move(aOldSource, aNewSource, aProperty, aTarget);
}
NS_IMETHODIMP nsCharsetMenu::HasAssertion(nsIRDFResource* source,
nsIRDFResource* property,
nsIRDFNode* target, PRBool tv,
PRBool* hasAssertion)
{
return mInner->HasAssertion(source, property, target, tv, hasAssertion);
}
NS_IMETHODIMP nsCharsetMenu::AddObserver(nsIRDFObserver* n)
{
return mInner->AddObserver(n);
}
NS_IMETHODIMP nsCharsetMenu::RemoveObserver(nsIRDFObserver* n)
{
return mInner->RemoveObserver(n);
}
NS_IMETHODIMP
nsCharsetMenu::HasArcIn(nsIRDFNode *aNode, nsIRDFResource *aArc, PRBool *result)
{
return mInner->HasArcIn(aNode, aArc, result);
}
NS_IMETHODIMP
nsCharsetMenu::HasArcOut(nsIRDFResource *source, nsIRDFResource *aArc, PRBool *result)
{
return mInner->HasArcOut(source, aArc, result);
}
NS_IMETHODIMP nsCharsetMenu::ArcLabelsIn(nsIRDFNode* node,
nsISimpleEnumerator** labels)
{
return mInner->ArcLabelsIn(node, labels);
}
NS_IMETHODIMP nsCharsetMenu::ArcLabelsOut(nsIRDFResource* source,
nsISimpleEnumerator** labels)
{
return mInner->ArcLabelsOut(source, labels);
}
NS_IMETHODIMP nsCharsetMenu::GetAllResources(nsISimpleEnumerator** aCursor)
{
return mInner->GetAllResources(aCursor);
}
NS_IMETHODIMP nsCharsetMenu::GetAllCommands(
nsIRDFResource* source,
nsIEnumerator/*<nsIRDFResource>*/** commands)
{
NS_NOTYETIMPLEMENTED("write me!");
return NS_ERROR_NOT_IMPLEMENTED;
}
NS_IMETHODIMP nsCharsetMenu::GetAllCmds(
nsIRDFResource* source,
nsISimpleEnumerator/*<nsIRDFResource>*/** commands)
{
NS_NOTYETIMPLEMENTED("write me!");
return NS_ERROR_NOT_IMPLEMENTED;
}
NS_IMETHODIMP nsCharsetMenu::IsCommandEnabled(
nsISupportsArray/*<nsIRDFResource>*/* aSources,
nsIRDFResource* aCommand,
nsISupportsArray/*<nsIRDFResource>*/* aArguments,
PRBool* aResult)
{
NS_NOTYETIMPLEMENTED("write me!");
return NS_ERROR_NOT_IMPLEMENTED;
}
NS_IMETHODIMP nsCharsetMenu::DoCommand(nsISupportsArray* aSources,
nsIRDFResource* aCommand,
nsISupportsArray* aArguments)
{
NS_NOTYETIMPLEMENTED("write me!");
return NS_ERROR_NOT_IMPLEMENTED;
}
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