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gecko/toolkit/components/intl/nsCharsetMenu.cpp

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/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
/* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
#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 "nsICollation.h"
#include "nsCollationCID.h"
#include "nsLocaleCID.h"
#include "nsILocaleService.h"
#include "nsIPrefService.h"
#include "nsIPrefBranch.h"
#include "nsIPrefLocalizedString.h"
#include "nsICurrentCharsetListener.h"
#include "nsQuickSort.h"
#include "nsIObserver.h"
#include "nsStringEnumerator.h"
#include "nsTArray.h"
#include "nsIObserverService.h"
#include "nsIRequestObserver.h"
#include "nsCRT.h"
#include "prmem.h"
#include "mozilla/ModuleUtils.h"
#include "nsCycleCollectionParticipant.h"
//----------------------------------------------------------------------------
// Global functions and data [declaration]
static NS_DEFINE_CID(kRDFServiceCID, NS_RDFSERVICE_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 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";
static const char kURINC_EncodersRoot[] = "NC:EncodersRoot";
DEFINE_RDF_VOCAB(NC_NAMESPACE_URI, NC, Name);
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); }
nsAutoCString mCharset;
nsAutoString mTitle;
};
//----------------------------------------------------------------------------
// 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_CYCLE_COLLECTING_ISUPPORTS
NS_DECL_CYCLE_COLLECTION_CLASS_AMBIGUOUS(nsCharsetMenu, nsIRDFDataSource)
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_EncodersRoot;
static nsIRDFResource * kNC_Name;
static nsIRDFResource * kNC_CharsetDetector;
static nsIRDFResource * kNC_BookmarkSeparator;
static nsIRDFResource * kRDF_type;
static nsIRDFDataSource * mInner;
bool mInitialized;
bool mBrowserMenuInitialized;
bool mMailviewMenuInitialized;
bool mComposerMenuInitialized;
bool mMaileditMenuInitialized;
bool mSecondaryTiersInitialized;
bool mAutoDetectInitialized;
bool mOthersInitialized;
nsTArray<nsMenuEntry*> mBrowserMenu;
int32_t mBrowserCacheStart;
int32_t mBrowserCacheSize;
int32_t mBrowserMenuRDFPosition;
nsTArray<nsMenuEntry*> mMailviewMenu;
int32_t mMailviewCacheStart;
int32_t mMailviewCacheSize;
int32_t mMailviewMenuRDFPosition;
nsTArray<nsMenuEntry*> mComposerMenu;
int32_t mComposerCacheStart;
int32_t mComposerCacheSize;
int32_t mComposerMenuRDFPosition;
nsCOMPtr<nsIRDFService> mRDFService;
nsCOMPtr<nsICharsetConverterManager> mCCManager;
nsCOMPtr<nsIPrefBranch> mPrefs;
nsCOMPtr<nsIObserver> mCharsetMenuObserver;
nsTArray<nsCString> mDecoderList;
nsresult Done();
nsresult FreeResources();
nsresult InitStaticMenu(nsTArray<nsCString>& aDecs,
nsIRDFResource * aResource,
const char * aKey,
nsTArray<nsMenuEntry*> * aArray);
nsresult InitCacheMenu(nsTArray<nsCString>& aDecs,
nsIRDFResource * aResource,
const char * aKey,
nsTArray<nsMenuEntry*> * aArray);
nsresult InitMoreMenu(nsTArray<nsCString>& aDecs,
nsIRDFResource * aResource,
const char * aFlag);
nsresult InitMoreSubmenus(nsTArray<nsCString>& aDecs);
static nsresult SetArrayFromEnumerator(nsIUTF8StringEnumerator* aEnumerator,
nsTArray<nsCString>& aArray);
nsresult AddCharsetToItemArray(nsTArray<nsMenuEntry*>* aArray,
const nsAFlatCString& aCharset,
nsMenuEntry ** aResult,
int32_t aPlace);
nsresult AddCharsetArrayToItemArray(nsTArray<nsMenuEntry*> &aArray,
const nsTArray<nsCString>& aCharsets);
nsresult AddMenuItemToContainer(nsIRDFContainer * aContainer,
nsMenuEntry * aItem, nsIRDFResource * aType, const char * aIDPrefix,
int32_t aPlace);
nsresult AddMenuItemArrayToContainer(nsIRDFContainer * aContainer,
nsTArray<nsMenuEntry*> * aArray, nsIRDFResource * aType);
nsresult AddCharsetToContainer(nsTArray<nsMenuEntry*> * aArray,
nsIRDFContainer * aContainer,
const nsAFlatCString& aCharset,
const char * aIDPrefix,
int32_t aPlace, int32_t aRDFPlace);
nsresult AddFromPrefsToMenu(nsTArray<nsMenuEntry*> * aArray,
nsIRDFContainer * aContainer,
const char * aKey,
nsTArray<nsCString>& aDecs,
const char * aIDPrefix);
nsresult AddFromNolocPrefsToMenu(nsTArray<nsMenuEntry*> * aArray,
nsIRDFContainer * aContainer,
const char * aKey,
nsTArray<nsCString>& aDecs,
const char * aIDPrefix);
nsresult AddFromStringToMenu(char * aCharsetList,
nsTArray<nsMenuEntry*> * aArray,
nsIRDFContainer * aContainer,
nsTArray<nsCString>& aDecs,
const char * aIDPrefix);
nsresult AddSeparatorToContainer(nsIRDFContainer * aContainer);
nsresult AddCharsetToCache(const nsAFlatCString& aCharset,
nsTArray<nsMenuEntry*> * aArray,
nsIRDFResource * aRDFResource,
uint32_t aCacheStart, uint32_t aCacheSize,
int32_t aRDFPlace);
nsresult WriteCacheToPrefs(nsTArray<nsMenuEntry*> * aArray, int32_t aCacheStart,
const char * aKey);
nsresult UpdateCachePrefs(const char * aCacheKey, const char * aCacheSizeKey,
const char * aStaticKey, const PRUnichar * aCharset);
nsresult ClearMenu(nsIRDFContainer * aContainer, nsTArray<nsMenuEntry*> * aArray);
nsresult RemoveLastMenuItem(nsIRDFContainer * aContainer,
nsTArray<nsMenuEntry*> * aArray);
nsresult RemoveFlaggedCharsets(nsTArray<nsCString>& aList, const nsString& aProp);
nsresult NewRDFContainer(nsIRDFDataSource * aDataSource,
nsIRDFResource * aResource, nsIRDFContainer ** aResult);
void FreeMenuItemArray(nsTArray<nsMenuEntry*> * aArray);
int32_t FindMenuItemInArray(const nsTArray<nsMenuEntry*>* aArray,
const nsAFlatCString& aCharset,
nsMenuEntry ** aResult);
nsresult ReorderMenuItemArray(nsTArray<nsMenuEntry*> * aArray);
nsresult GetCollation(nsICollation ** aCollation);
public:
nsCharsetMenu();
virtual ~nsCharsetMenu();
nsresult Init();
nsresult InitBrowserMenu();
nsresult InitMaileditMenu();
nsresult InitMailviewMenu();
nsresult InitComposerMenu();
nsresult InitOthers();
nsresult InitSecondaryTiers();
nsresult InitAutodetMenu();
nsresult RefreshBrowserMenu();
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]
nsresult
NS_NewCharsetMenu(nsISupports * aOuter, const nsIID & aIID,
void ** aResult)
{
if (!aResult) {
return NS_ERROR_NULL_POINTER;
}
if (aOuter) {
*aResult = nullptr;
return NS_ERROR_NO_AGGREGATION;
}
nsCharsetMenu* inst = new nsCharsetMenu();
if (!inst) {
*aResult = nullptr;
return NS_ERROR_OUT_OF_MEMORY;
}
nsresult res = inst->QueryInterface(aIID, aResult);
if (NS_FAILED(res)) {
*aResult = nullptr;
delete inst;
}
return res;
}
struct charsetMenuSortRecord {
nsMenuEntry* item;
uint8_t* key;
uint32_t len;
};
static int CompareMenuItems(const void* aArg1, const void* aArg2, void *data)
{
int32_t 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;
}
nsresult
nsCharsetMenu::SetArrayFromEnumerator(nsIUTF8StringEnumerator* aEnumerator,
nsTArray<nsCString>& aArray)
{
nsresult rv;
bool hasMore;
rv = aEnumerator->HasMore(&hasMore);
nsAutoCString value;
while (NS_SUCCEEDED(rv) && hasMore) {
rv = aEnumerator->GetNext(value);
if (NS_SUCCEEDED(rv))
aArray.AppendElement(value);
rv = aEnumerator->HasMore(&hasMore);
}
return rv;
}
class nsIgnoreCaseCStringComparator
{
public:
bool Equals(const nsACString& a, const nsACString& b) const
{
return nsCString(a).Equals(b, nsCaseInsensitiveCStringComparator());
}
bool LessThan(const nsACString& a, const nsACString& b) const
{
return a < b;
}
};
//----------------------------------------------------------------------------
// Class nsCharsetMenuObserver
class nsCharsetMenuObserver : public nsIObserver {
public:
NS_DECL_ISUPPORTS
NS_DECL_NSIOBSERVER
nsCharsetMenuObserver(nsCharsetMenu * menu)
: mCharsetMenu(menu)
{
}
virtual ~nsCharsetMenuObserver() {}
private:
nsCharsetMenu* mCharsetMenu;
};
NS_IMPL_ISUPPORTS1(nsCharsetMenuObserver, nsIObserver)
NS_IMETHODIMP nsCharsetMenuObserver::Observe(nsISupports *aSubject, const char *aTopic, const PRUnichar *someData)
{
nsresult rv = NS_OK;
//XUL event handler
if (!nsCRT::strcmp(aTopic, "charsetmenu-selected")) {
nsDependentString nodeName(someData);
rv = mCharsetMenu->Init();
if (nodeName.EqualsLiteral("browser")) {
rv = mCharsetMenu->InitBrowserMenu();
}
if (nodeName.EqualsLiteral("composer")) {
rv = mCharsetMenu->InitComposerMenu();
}
if (nodeName.EqualsLiteral("mailview")) {
rv = mCharsetMenu->InitMailviewMenu();
}
if (nodeName.EqualsLiteral("mailedit")) {
rv = mCharsetMenu->InitMaileditMenu();
rv = mCharsetMenu->InitOthers();
}
if (nodeName.EqualsLiteral("more-menu")) {
rv = mCharsetMenu->InitSecondaryTiers();
rv = mCharsetMenu->InitAutodetMenu();
}
if (nodeName.EqualsLiteral("other")) {
rv = mCharsetMenu->InitOthers();
rv = mCharsetMenu->InitMaileditMenu();
}
}
//pref event handler
if (!nsCRT::strcmp(aTopic, NS_PREFBRANCH_PREFCHANGE_TOPIC_ID)) {
nsDependentString prefName(someData);
if (prefName.EqualsLiteral(kBrowserStaticPrefKey)) {
// refresh menus which share this pref
rv = mCharsetMenu->RefreshBrowserMenu();
NS_ENSURE_SUCCESS(rv, rv);
rv = mCharsetMenu->RefreshMailviewMenu();
NS_ENSURE_SUCCESS(rv, rv);
rv = mCharsetMenu->RefreshComposerMenu();
}
else if (prefName.EqualsLiteral(kMaileditPrefKey)) {
rv = mCharsetMenu->RefreshMaileditMenu();
}
}
return rv;
}
//----------------------------------------------------------------------------
// Class nsCharsetMenu [implementation]
NS_IMPL_CYCLE_COLLECTION_UNLINK_0(nsCharsetMenu)
NS_IMPL_CYCLE_COLLECTION_TRAVERSE_BEGIN(nsCharsetMenu)
cb.NoteXPCOMChild(nsCharsetMenu::mInner);
NS_IMPL_CYCLE_COLLECTION_TRAVERSE_END
NS_IMPL_CYCLE_COLLECTING_ADDREF(nsCharsetMenu)
NS_IMPL_CYCLE_COLLECTING_RELEASE(nsCharsetMenu)
NS_INTERFACE_MAP_BEGIN_CYCLE_COLLECTION(nsCharsetMenu)
NS_INTERFACE_MAP_ENTRY(nsIRDFDataSource)
NS_INTERFACE_MAP_ENTRY(nsICurrentCharsetListener)
NS_INTERFACE_MAP_ENTRY_AMBIGUOUS(nsISupports, nsIRDFDataSource)
NS_INTERFACE_MAP_END
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_EncodersRoot = NULL;
nsIRDFResource * nsCharsetMenu::kNC_Name = NULL;
nsIRDFResource * nsCharsetMenu::kNC_CharsetDetector = NULL;
nsIRDFResource * nsCharsetMenu::kNC_BookmarkSeparator = NULL;
nsIRDFResource * nsCharsetMenu::kRDF_type = NULL;
nsCharsetMenu::nsCharsetMenu()
: mInitialized(false),
mBrowserMenuInitialized(false),
mMailviewMenuInitialized(false),
mComposerMenuInitialized(false),
mMaileditMenuInitialized(false),
mSecondaryTiersInitialized(false),
mAutoDetectInitialized(false),
mOthersInitialized(false)
{
nsresult res = NS_OK;
//get charset manager
mCCManager = do_GetService(NS_CHARSETCONVERTERMANAGER_CONTRACTID, &res);
//initialize skeleton RDF source
mRDFService = do_GetService(kRDFServiceCID, &res);
if (NS_SUCCEEDED(res)) {
mRDFService->RegisterDataSource(this, false);
CallCreateInstance(kRDFInMemoryDataSourceCID, &mInner);
mRDFService->GetResource(NS_LITERAL_CSTRING(kURINC_BrowserCharsetMenuRoot),
&kNC_BrowserCharsetMenuRoot);
}
//get pref service
nsCOMPtr<nsIPrefService> PrefService = do_GetService(NS_PREFSERVICE_CONTRACTID, &res);
if (NS_SUCCEEDED(res))
res = PrefService->GetBranch(nullptr, getter_AddRefs(mPrefs));
//register event listener
mCharsetMenuObserver = new nsCharsetMenuObserver(this);
if (mCharsetMenuObserver) {
nsCOMPtr<nsIObserverService> observerService =
do_GetService("@mozilla.org/observer-service;1", &res);
if (NS_SUCCEEDED(res))
res = observerService->AddObserver(mCharsetMenuObserver,
"charsetmenu-selected",
false);
}
NS_ASSERTION(NS_SUCCEEDED(res), "Failed to initialize nsCharsetMenu");
}
nsCharsetMenu::~nsCharsetMenu()
{
Done();
FreeMenuItemArray(&mBrowserMenu);
FreeMenuItemArray(&mMailviewMenu);
FreeMenuItemArray(&mComposerMenu);
FreeResources();
}
// XXX collapse these 2 in one
nsresult nsCharsetMenu::RefreshBrowserMenu()
{
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<nsIUTF8StringEnumerator> decoders;
res = mCCManager->GetDecoderList(getter_AddRefs(decoders));
if (NS_FAILED(res)) return res;
nsTArray<nsCString> decs;
SetArrayFromEnumerator(decoders, decs);
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.Length();
// Remove "notForBrowser" entries before populating cache menu
res = RemoveFlaggedCharsets(decs, NS_LITERAL_STRING(".notForBrowser"));
NS_ASSERTION(NS_SUCCEEDED(res), "error removing flagged charsets");
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<nsIUTF8StringEnumerator> decoders;
res = mCCManager->GetDecoderList(getter_AddRefs(decoders));
if (NS_FAILED(res)) return res;
nsTArray<nsCString> decs;
SetArrayFromEnumerator(decoders, decs);
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.Length();
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, false);
NS_ENSURE_SUCCESS(res, res);
}
// get a list of available encoders
nsCOMPtr<nsIUTF8StringEnumerator> encoders;
res = mCCManager->GetEncoderList(getter_AddRefs(encoders));
NS_ENSURE_SUCCESS(res, res);
nsTArray<nsCString> encs;
SetArrayFromEnumerator(encoders, encs);
// 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<nsIUTF8StringEnumerator> decoders;
res = mCCManager->GetDecoderList(getter_AddRefs(decoders));
if (NS_FAILED(res)) return res;
nsTArray<nsCString> decs;
SetArrayFromEnumerator(decoders, decs);
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.Length();
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;
if (!mInitialized) {
//enumerate decoders
nsCOMPtr<nsIUTF8StringEnumerator> decoders;
res = mCCManager->GetDecoderList(getter_AddRefs(decoders));
if (NS_FAILED(res)) return res;
SetArrayFromEnumerator(decoders, mDecoderList);
//initialize all remaining RDF template nodes
mRDFService->GetResource(NS_LITERAL_CSTRING(kURINC_BrowserAutodetMenuRoot),
&kNC_BrowserAutodetMenuRoot);
mRDFService->GetResource(NS_LITERAL_CSTRING(kURINC_BrowserMoreCharsetMenuRoot),
&kNC_BrowserMoreCharsetMenuRoot);
mRDFService->GetResource(NS_LITERAL_CSTRING(kURINC_BrowserMore1CharsetMenuRoot),
&kNC_BrowserMore1CharsetMenuRoot);
mRDFService->GetResource(NS_LITERAL_CSTRING(kURINC_BrowserMore2CharsetMenuRoot),
&kNC_BrowserMore2CharsetMenuRoot);
mRDFService->GetResource(NS_LITERAL_CSTRING(kURINC_BrowserMore3CharsetMenuRoot),
&kNC_BrowserMore3CharsetMenuRoot);
mRDFService->GetResource(NS_LITERAL_CSTRING(kURINC_BrowserMore4CharsetMenuRoot),
&kNC_BrowserMore4CharsetMenuRoot);
mRDFService->GetResource(NS_LITERAL_CSTRING(kURINC_BrowserMore5CharsetMenuRoot),
&kNC_BrowserMore5CharsetMenuRoot);
mRDFService->GetResource(NS_LITERAL_CSTRING(kURINC_MaileditCharsetMenuRoot),
&kNC_MaileditCharsetMenuRoot);
mRDFService->GetResource(NS_LITERAL_CSTRING(kURINC_MailviewCharsetMenuRoot),
&kNC_MailviewCharsetMenuRoot);
mRDFService->GetResource(NS_LITERAL_CSTRING(kURINC_ComposerCharsetMenuRoot),
&kNC_ComposerCharsetMenuRoot);
mRDFService->GetResource(NS_LITERAL_CSTRING(kURINC_DecodersRoot),
&kNC_DecodersRoot);
mRDFService->GetResource(NS_LITERAL_CSTRING(kURINC_EncodersRoot),
&kNC_EncodersRoot);
mRDFService->GetResource(NS_LITERAL_CSTRING(kURINC_Name),
&kNC_Name);
mRDFService->GetResource(NS_LITERAL_CSTRING(kURINC_CharsetDetector),
&kNC_CharsetDetector);
mRDFService->GetResource(NS_LITERAL_CSTRING(kURINC_BookmarkSeparator),
&kNC_BookmarkSeparator);
mRDFService->GetResource(NS_LITERAL_CSTRING(kURINC_type), &kRDF_type);
nsIRDFContainerUtils * rdfUtil = NULL;
res = CallGetService(kRDFContainerUtilsCID, &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 = rdfUtil->MakeSeq(mInner, kNC_EncodersRoot, NULL);
if (NS_FAILED(res)) goto done;
done:
NS_IF_RELEASE(rdfUtil);
if (NS_FAILED(res)) return res;
}
mInitialized = NS_SUCCEEDED(res);
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_EncodersRoot);
NS_IF_RELEASE(kNC_Name);
NS_IF_RELEASE(kNC_CharsetDetector);
NS_IF_RELEASE(kNC_BookmarkSeparator);
NS_IF_RELEASE(kRDF_type);
NS_IF_RELEASE(mInner);
return res;
}
/**
* Free the resources no longer needed by the component.
*/
nsresult nsCharsetMenu::FreeResources()
{
nsresult res = NS_OK;
if (mCharsetMenuObserver) {
mPrefs->RemoveObserver(kBrowserStaticPrefKey, mCharsetMenuObserver);
mPrefs->RemoveObserver(kMaileditPrefKey, mCharsetMenuObserver);
/* nsIObserverService has to have released nsCharsetMenu already */
}
mRDFService = NULL;
mCCManager = NULL;
mPrefs = NULL;
return res;
}
nsresult nsCharsetMenu::InitBrowserMenu()
{
nsresult res = NS_OK;
if (!mBrowserMenuInitialized) {
nsCOMPtr<nsIRDFContainer> container;
res = NewRDFContainer(mInner, kNC_BrowserCharsetMenuRoot, getter_AddRefs(container));
if (NS_FAILED(res)) return res;
nsTArray<nsCString> browserDecoderList(mDecoderList);
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.Length();
mPrefs->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;
// Remove "notForBrowser" entries before populating cache menu
res = RemoveFlaggedCharsets(browserDecoderList, NS_LITERAL_STRING(".notForBrowser"));
NS_ASSERTION(NS_SUCCEEDED(res), "error initializing static charset menu from prefs");
res = InitCacheMenu(browserDecoderList, kNC_BrowserCharsetMenuRoot, kBrowserCachePrefKey,
&mBrowserMenu);
NS_ASSERTION(NS_SUCCEEDED(res), "error initializing browser cache charset menu");
// register prefs callback
mPrefs->AddObserver(kBrowserStaticPrefKey, mCharsetMenuObserver, false);
}
mBrowserMenuInitialized = NS_SUCCEEDED(res);
return res;
}
nsresult nsCharsetMenu::InitMaileditMenu()
{
nsresult res = NS_OK;
if (!mMaileditMenuInitialized) {
nsCOMPtr<nsIRDFContainer> container;
res = NewRDFContainer(mInner, kNC_MaileditCharsetMenuRoot, getter_AddRefs(container));
if (NS_FAILED(res)) return res;
//enumerate encoders
// this would bring in a whole bunch of 'font encoders' as well as genuine
// charset encoders, but it's safe because we rely on prefs to filter
// them out. Moreover, 'customize' menu lists only genuine charset
// encoders further guarding against 'font encoders' sneaking in.
nsCOMPtr<nsIUTF8StringEnumerator> encoders;
res = mCCManager->GetEncoderList(getter_AddRefs(encoders));
if (NS_FAILED(res)) return res;
nsTArray<nsCString> maileditEncoderList;
SetArrayFromEnumerator(encoders, maileditEncoderList);
res = AddFromPrefsToMenu(NULL, container, kMaileditPrefKey, maileditEncoderList, NULL);
NS_ASSERTION(NS_SUCCEEDED(res), "error initializing mailedit charset menu from prefs");
// register prefs callback
mPrefs->AddObserver(kMaileditPrefKey, mCharsetMenuObserver, false);
}
mMaileditMenuInitialized = NS_SUCCEEDED(res);
return res;
}
nsresult nsCharsetMenu::InitMailviewMenu()
{
nsresult res = NS_OK;
if (!mMailviewMenuInitialized) {
nsCOMPtr<nsIRDFContainer> container;
res = NewRDFContainer(mInner, kNC_MailviewCharsetMenuRoot, getter_AddRefs(container));
if (NS_FAILED(res)) return res;
nsTArray<nsCString> mailviewDecoderList(mDecoderList);
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.Length();
mPrefs->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");
}
mMailviewMenuInitialized = NS_SUCCEEDED(res);
return res;
}
nsresult nsCharsetMenu::InitComposerMenu()
{
nsresult res = NS_OK;
if (!mComposerMenuInitialized) {
nsCOMPtr<nsIRDFContainer> container;
res = NewRDFContainer(mInner, kNC_ComposerCharsetMenuRoot, getter_AddRefs(container));
if (NS_FAILED(res)) return res;
nsTArray<nsCString> composerDecoderList(mDecoderList);
// 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.Length();
mPrefs->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");
}
mComposerMenuInitialized = NS_SUCCEEDED(res);
return res;
}
nsresult nsCharsetMenu::InitOthers()
{
nsresult res = NS_OK;
if (!mOthersInitialized) {
nsTArray<nsCString> othersDecoderList(mDecoderList);
res = InitMoreMenu(othersDecoderList, kNC_DecodersRoot, ".notForBrowser");
if (NS_FAILED(res)) return res;
// Using mDecoderList instead of GetEncoderList(), we can avoid having to
// tag a whole bunch of 'font encoders' with '.notForOutgoing' in
// charsetData.properties file.
nsTArray<nsCString> othersEncoderList(mDecoderList);
res = InitMoreMenu(othersEncoderList, kNC_EncodersRoot, ".notForOutgoing");
if (NS_FAILED(res)) return res;
}
mOthersInitialized = NS_SUCCEEDED(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;
if (!mSecondaryTiersInitialized) {
nsTArray<nsCString> secondaryTiersDecoderList(mDecoderList);
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");
}
mSecondaryTiersInitialized = NS_SUCCEEDED(res);
return res;
}
nsresult nsCharsetMenu::InitStaticMenu(nsTArray<nsCString>& aDecs,
nsIRDFResource * aResource,
const char * aKey,
nsTArray<nsMenuEntry*> * 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(
nsTArray<nsCString>& aDecs,
nsIRDFResource * aResource,
const char * aKey,
nsTArray<nsMenuEntry*> * 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()
{
nsresult res = NS_OK;
if (!mAutoDetectInitialized) {
nsTArray<nsMenuEntry*> chardetArray;
nsCOMPtr<nsIRDFContainer> container;
nsTArray<nsCString> detectorArray;
res = NewRDFContainer(mInner, kNC_BrowserAutodetMenuRoot, getter_AddRefs(container));
if (NS_FAILED(res)) return res;
nsCOMPtr<nsIUTF8StringEnumerator> detectors;
res = mCCManager->GetCharsetDetectorList(getter_AddRefs(detectors));
if (NS_FAILED(res)) goto done;
res = SetArrayFromEnumerator(detectors, detectorArray);
if (NS_FAILED(res)) goto done;
res = AddCharsetArrayToItemArray(chardetArray, detectorArray);
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 nsTArray<nsMenuEntry*>
FreeMenuItemArray(&chardetArray);
}
mAutoDetectInitialized = NS_SUCCEEDED(res);
return res;
}
nsresult nsCharsetMenu::InitMoreMenu(nsTArray<nsCString>& aDecs,
nsIRDFResource * aResource,
const char * aFlag)
{
nsresult res = NS_OK;
nsCOMPtr<nsIRDFContainer> container;
nsTArray<nsMenuEntry*> moreMenu;
res = NewRDFContainer(mInner, aResource, getter_AddRefs(container));
if (NS_FAILED(res)) goto done;
// remove charsets "not for browser"
res = RemoveFlaggedCharsets(aDecs, NS_ConvertASCIItoUTF16(aFlag));
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(nsTArray<nsCString>& aDecs)
{
nsresult res = NS_OK;
nsCOMPtr<nsIRDFContainer> container1;
nsCOMPtr<nsIRDFContainer> container2;
nsCOMPtr<nsIRDFContainer> container3;
nsCOMPtr<nsIRDFContainer> container4;
nsCOMPtr<nsIRDFContainer> container5;
const char key1[] = "intl.charsetmenu.browser.more1";
const char key2[] = "intl.charsetmenu.browser.more2";
const char key3[] = "intl.charsetmenu.browser.more3";
const char key4[] = "intl.charsetmenu.browser.more4";
const char key5[] = "intl.charsetmenu.browser.more5";
res = NewRDFContainer(mInner, kNC_BrowserMore1CharsetMenuRoot,
getter_AddRefs(container1));
if (NS_FAILED(res)) return res;
AddFromNolocPrefsToMenu(NULL, container1, key1, aDecs, NULL);
res = NewRDFContainer(mInner, kNC_BrowserMore2CharsetMenuRoot,
getter_AddRefs(container2));
if (NS_FAILED(res)) return res;
AddFromNolocPrefsToMenu(NULL, container2, key2, aDecs, NULL);
res = NewRDFContainer(mInner, kNC_BrowserMore3CharsetMenuRoot,
getter_AddRefs(container3));
if (NS_FAILED(res)) return res;
AddFromNolocPrefsToMenu(NULL, container3, key3, aDecs, NULL);
res = NewRDFContainer(mInner, kNC_BrowserMore4CharsetMenuRoot,
getter_AddRefs(container4));
if (NS_FAILED(res)) return res;
AddFromNolocPrefsToMenu(NULL, container4, key4, aDecs, NULL);
res = NewRDFContainer(mInner, kNC_BrowserMore5CharsetMenuRoot,
getter_AddRefs(container5));
if (NS_FAILED(res)) return res;
AddFromNolocPrefsToMenu(NULL, container5, key5, aDecs, NULL);
return res;
}
nsresult nsCharsetMenu::AddCharsetToItemArray(nsTArray<nsMenuEntry*> *aArray,
const nsAFlatCString& aCharset,
nsMenuEntry ** aResult,
int32_t 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;
if (NS_FAILED(mCCManager->GetCharsetTitle(aCharset.get(), item->mTitle))) {
item->mTitle.AssignWithConversion(aCharset.get());
}
if (aArray != NULL) {
if (aPlace < 0) {
aArray->AppendElement(item);
} else {
aArray->InsertElementsAt(aPlace, 1, item);
}
}
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(nsTArray<nsMenuEntry*>& aArray,
const nsTArray<nsCString>& aCharsets)
{
uint32_t count = aCharsets.Length();
for (uint32_t i = 0; i < count; i++) {
const nsCString& str = aCharsets[i];
nsresult res = AddCharsetToItemArray(&aArray, str, 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,
const char * aIDPrefix,
int32_t aPlace)
{
nsresult res = NS_OK;
nsCOMPtr<nsIRDFResource> node;
nsAutoCString id;
if (aIDPrefix != NULL) id.Assign(aIDPrefix);
id.Append(aItem->mCharset);
// Make up a unique ID and create the RDF NODE
res = mRDFService->GetResource(id, 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, 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, true);
if (NS_FAILED(res)) return res;
}
}
// Add the element to the container
if (aPlace < -1) {
res = aContainer->RemoveElement(node, 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, true);
if (NS_FAILED(res)) return res;
}
return res;
}
nsresult nsCharsetMenu::AddMenuItemArrayToContainer(
nsIRDFContainer * aContainer,
nsTArray<nsMenuEntry*> * aArray,
nsIRDFResource * aType)
{
uint32_t count = aArray->Length();
nsresult res = NS_OK;
for (uint32_t i = 0; i < count; i++) {
nsMenuEntry * item = 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(nsTArray<nsMenuEntry*> *aArray,
nsIRDFContainer * aContainer,
const nsAFlatCString& aCharset,
const char * aIDPrefix,
int32_t aPlace,
int32_t 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(
nsTArray<nsMenuEntry*> * aArray,
nsIRDFContainer * aContainer,
const char * aKey,
nsTArray<nsCString>& aDecs,
const char * aIDPrefix)
{
nsresult res = NS_OK;
nsCOMPtr<nsIPrefLocalizedString> pls;
res = mPrefs->GetComplexValue(aKey, NS_GET_IID(nsIPrefLocalizedString), getter_AddRefs(pls));
if (NS_FAILED(res)) return res;
if (pls) {
nsXPIDLString ucsval;
pls->ToString(getter_Copies(ucsval));
NS_ConvertUTF16toUTF8 utf8val(ucsval);
if (ucsval)
res = AddFromStringToMenu(utf8val.BeginWriting(), aArray,
aContainer, aDecs, aIDPrefix);
}
return res;
}
nsresult
nsCharsetMenu::AddFromNolocPrefsToMenu(nsTArray<nsMenuEntry*> * aArray,
nsIRDFContainer * aContainer,
const char * aKey,
nsTArray<nsCString>& aDecs,
const char * aIDPrefix)
{
nsresult res = NS_OK;
char * value = NULL;
res = mPrefs->GetCharPref(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,
nsTArray<nsMenuEntry*> * aArray,
nsIRDFContainer * aContainer,
nsTArray<nsCString>& aDecs,
const 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;
// if this charset is not on the accepted list of charsets, ignore it
int32_t index;
index = aDecs.IndexOf(nsAutoCString(p), 0, nsIgnoreCaseCStringComparator());
if (index >= 0) {
// else, add it to the menu
res = AddCharsetToContainer(aArray, aContainer, nsDependentCString(p),
aIDPrefix, -1, 0);
NS_ASSERTION(NS_SUCCEEDED(res), "cannot add charset to menu");
if (NS_FAILED(res)) break;
aDecs.RemoveElementAt(index);
}
*q = temp;
for (; (*q == ',') || (*q == ' '); q++) {;}
p=q;
}
return NS_OK;
}
nsresult nsCharsetMenu::AddSeparatorToContainer(nsIRDFContainer * aContainer)
{
nsAutoCString str;
str.AssignLiteral("----");
// hack to generate unique id's for separators
static int32_t u = 0;
u++;
str.AppendInt(u);
nsMenuEntry item;
item.mCharset = str;
item.mTitle.AssignWithConversion(str.get());
return AddMenuItemToContainer(aContainer, &item, kNC_BookmarkSeparator,
NULL, -1);
}
nsresult
nsCharsetMenu::AddCharsetToCache(const nsAFlatCString& aCharset,
nsTArray<nsMenuEntry*> * aArray,
nsIRDFResource * aRDFResource,
uint32_t aCacheStart,
uint32_t aCacheSize,
int32_t aRDFPlace)
{
int32_t 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;
// if too many items, remove last one
if (aArray->Length() - 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(nsTArray<nsMenuEntry*> * aArray,
int32_t aCacheStart,
const char * aKey)
{
nsresult res = NS_OK;
// create together the cache string
nsAutoCString cache;
nsAutoCString sep(NS_LITERAL_CSTRING(", "));
uint32_t count = aArray->Length();
for (uint32_t i = aCacheStart; i < count; i++) {
nsMenuEntry * item = aArray->ElementAt(i);
if (item != NULL) {
cache.Append(item->mCharset);
if (i < count - 1) {
cache.Append(sep);
}
}
}
// write the pref
res = mPrefs->SetCharPref(aKey, cache.get());
return res;
}
nsresult nsCharsetMenu::UpdateCachePrefs(const char * aCacheKey,
const char * aCacheSizeKey,
const char * aStaticKey,
const PRUnichar * aCharset)
{
nsresult rv = NS_OK;
nsXPIDLCString cachePrefValue;
nsXPIDLCString staticPrefValue;
NS_LossyConvertUTF16toASCII currentCharset(aCharset);
int32_t cacheSize = 0;
mPrefs->GetCharPref(aCacheKey, getter_Copies(cachePrefValue));
mPrefs->GetCharPref(aStaticKey, getter_Copies(staticPrefValue));
rv = mPrefs->GetIntPref(aCacheSizeKey, &cacheSize);
if (NS_FAILED(rv) || cacheSize <= 0)
return NS_ERROR_UNEXPECTED;
if ((cachePrefValue.Find(currentCharset) == kNotFound) &&
(staticPrefValue.Find(currentCharset) == kNotFound)) {
if (!cachePrefValue.IsEmpty())
cachePrefValue.Insert(", ", 0);
cachePrefValue.Insert(currentCharset, 0);
if (cacheSize < (int32_t) cachePrefValue.CountChar(',') + 1)
cachePrefValue.Truncate(cachePrefValue.RFindChar(','));
rv = mPrefs->SetCharPref(aCacheKey, cachePrefValue);
}
return rv;
}
nsresult nsCharsetMenu::ClearMenu(nsIRDFContainer * aContainer,
nsTArray<nsMenuEntry*> * aArray)
{
nsresult res = NS_OK;
// clean the RDF data source
uint32_t count = aArray->Length();
for (uint32_t i = 0; i < count; i++) {
nsMenuEntry * item = 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,
nsTArray<nsMenuEntry*> * aArray)
{
nsresult res = NS_OK;
int32_t last = aArray->Length() - 1;
if (last >= 0) {
nsMenuEntry * item = aArray->ElementAt(last);
if (item != NULL) {
res = AddMenuItemToContainer(aContainer, item, NULL, "charset.", -2);
if (NS_FAILED(res)) return res;
aArray->RemoveElementAt(last);
}
}
return res;
}
nsresult nsCharsetMenu::RemoveFlaggedCharsets(nsTArray<nsCString>& aList,
const nsString& aProp)
{
nsresult res = NS_OK;
uint32_t count;
count = aList.Length();
if (NS_FAILED(res)) return res;
nsAutoString str;
for (uint32_t i = 0; i < count; i++) {
res = mCCManager->GetCharsetData(aList[i].get(), aProp.get(), str);
if (NS_FAILED(res)) continue;
aList.RemoveElementAt(i);
i--;
count--;
}
return NS_OK;
}
nsresult nsCharsetMenu::NewRDFContainer(nsIRDFDataSource * aDataSource,
nsIRDFResource * aResource,
nsIRDFContainer ** aResult)
{
nsresult res = CallCreateInstance(kRDFContainerCID, aResult);
if (NS_FAILED(res)) return res;
res = (*aResult)->Init(aDataSource, aResource);
if (NS_FAILED(res)) NS_RELEASE(*aResult);
return res;
}
void nsCharsetMenu::FreeMenuItemArray(nsTArray<nsMenuEntry*> * aArray)
{
uint32_t count = aArray->Length();
for (uint32_t i = 0; i < count; i++) {
nsMenuEntry * item = aArray->ElementAt(i);
if (item != NULL) {
delete item;
}
}
aArray->Clear();
}
int32_t nsCharsetMenu::FindMenuItemInArray(const nsTArray<nsMenuEntry*>* aArray,
const nsAFlatCString& aCharset,
nsMenuEntry ** aResult)
{
uint32_t count = aArray->Length();
for (uint32_t i=0; i < count; i++) {
nsMenuEntry * item = aArray->ElementAt(i);
if (item->mCharset == aCharset) {
if (aResult != NULL) *aResult = item;
return i;
}
}
if (aResult != NULL) *aResult = NULL;
return -1;
}
nsresult nsCharsetMenu::ReorderMenuItemArray(nsTArray<nsMenuEntry*> * aArray)
{
nsresult res = NS_OK;
nsCOMPtr<nsICollation> collation;
uint32_t count = aArray->Length();
uint32_t 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 = nullptr;
res = GetCollation(getter_AddRefs(collation));
if (NS_FAILED(res))
goto done;
for (i = 0; i < count && NS_SUCCEEDED(res); i++) {
array[i].item = aArray->ElementAt(i);
res = collation->AllocateRawSortKey(nsICollation::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++) {
PR_FREEIF(array[i].key);
}
delete [] array;
return res;
}
nsresult nsCharsetMenu::GetCollation(nsICollation ** aCollation)
{
nsresult res = NS_OK;
nsCOMPtr<nsILocale> locale = nullptr;
nsICollationFactory * collationFactory = nullptr;
nsCOMPtr<nsILocaleService> localeServ =
do_GetService(NS_LOCALESERVICE_CONTRACTID, &res);
if (NS_FAILED(res)) return res;
res = localeServ->GetApplicationLocale(getter_AddRefs(locale));
if (NS_FAILED(res)) return res;
res = CallCreateInstance(NS_COLLATIONFACTORY_CONTRACTID, &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 = NS_OK;
if (mBrowserMenuInitialized) {
// Don't add item to the cache if it's marked "notForBrowser"
nsAutoString str;
res = mCCManager->GetCharsetData(NS_LossyConvertUTF16toASCII(aCharset).get(),
NS_LITERAL_STRING(".notForBrowser").get(), str);
if (NS_SUCCEEDED(res)) // succeeded means attribute exists
return res; // don't throw
res = AddCharsetToCache(NS_LossyConvertUTF16toASCII(aCharset),
&mBrowserMenu, kNC_BrowserCharsetMenuRoot,
mBrowserCacheStart, mBrowserCacheSize,
mBrowserMenuRDFPosition);
if (NS_FAILED(res)) {
return res;
}
res = WriteCacheToPrefs(&mBrowserMenu, mBrowserCacheStart,
kBrowserCachePrefKey);
} else {
res = UpdateCachePrefs(kBrowserCachePrefKey, kBrowserCacheSizePrefKey,
kBrowserStaticPrefKey, aCharset);
}
return res;
}
NS_IMETHODIMP nsCharsetMenu::SetCurrentMailCharset(const PRUnichar * aCharset)
{
nsresult res = NS_OK;
if (mMailviewMenuInitialized) {
res = AddCharsetToCache(NS_LossyConvertUTF16toASCII(aCharset),
&mMailviewMenu, kNC_MailviewCharsetMenuRoot,
mMailviewCacheStart, mMailviewCacheSize,
mMailviewMenuRDFPosition);
if (NS_FAILED(res)) return res;
res = WriteCacheToPrefs(&mMailviewMenu, mMailviewCacheStart,
kMailviewCachePrefKey);
} else {
res = UpdateCachePrefs(kMailviewCachePrefKey, kMailviewCacheSizePrefKey,
kMailviewStaticPrefKey, aCharset);
}
return res;
}
NS_IMETHODIMP nsCharsetMenu::SetCurrentComposerCharset(const PRUnichar * aCharset)
{
nsresult res = NS_OK;
if (mComposerMenuInitialized) {
res = AddCharsetToCache(NS_LossyConvertUTF16toASCII(aCharset),
&mComposerMenu, kNC_ComposerCharsetMenuRoot,
mComposerCacheStart, mComposerCacheSize,
mComposerMenuRDFPosition);
if (NS_FAILED(res)) return res;
res = WriteCacheToPrefs(&mComposerMenu, mComposerCacheStart,
kComposerCachePrefKey);
} else {
res = UpdateCachePrefs(kComposerCachePrefKey, kComposerCacheSizePrefKey,
kComposerStaticPrefKey, aCharset);
}
return res;
}
//----------------------------------------------------------------------------
// Interface nsIRDFDataSource [implementation]
NS_IMETHODIMP nsCharsetMenu::GetURI(char ** uri)
{
if (!uri) return NS_ERROR_NULL_POINTER;
*uri = NS_strdup("rdf:charset-menu");
if (!(*uri)) return NS_ERROR_OUT_OF_MEMORY;
return NS_OK;
}
NS_IMETHODIMP nsCharsetMenu::GetSource(nsIRDFResource* property,
nsIRDFNode* target,
bool tv,
nsIRDFResource** source)
{
return mInner->GetSource(property, target, tv, source);
}
NS_IMETHODIMP nsCharsetMenu::GetSources(nsIRDFResource* property,
nsIRDFNode* target,
bool tv,
nsISimpleEnumerator** sources)
{
return mInner->GetSources(property, target, tv, sources);
}
NS_IMETHODIMP nsCharsetMenu::GetTarget(nsIRDFResource* source,
nsIRDFResource* property,
bool tv,
nsIRDFNode** target)
{
return mInner->GetTarget(source, property, tv, target);
}
NS_IMETHODIMP nsCharsetMenu::GetTargets(nsIRDFResource* source,
nsIRDFResource* property,
bool tv,
nsISimpleEnumerator** targets)
{
return mInner->GetTargets(source, property, tv, targets);
}
NS_IMETHODIMP nsCharsetMenu::Assert(nsIRDFResource* aSource,
nsIRDFResource* aProperty,
nsIRDFNode* aTarget,
bool 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, bool tv,
bool* 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, bool *result)
{
return mInner->HasArcIn(aNode, aArc, result);
}
NS_IMETHODIMP
nsCharsetMenu::HasArcOut(nsIRDFResource *source, nsIRDFResource *aArc, bool *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::GetAllCmds(
nsIRDFResource* source,
nsISimpleEnumerator/*<nsIRDFResource>*/** commands)
{
NS_NOTYETIMPLEMENTED("nsCharsetMenu::GetAllCmds");
return NS_ERROR_NOT_IMPLEMENTED;
}
NS_IMETHODIMP nsCharsetMenu::IsCommandEnabled(
nsISupportsArray/*<nsIRDFResource>*/* aSources,
nsIRDFResource* aCommand,
nsISupportsArray/*<nsIRDFResource>*/* aArguments,
bool* aResult)
{
NS_NOTYETIMPLEMENTED("nsCharsetMenu::IsCommandEnabled");
return NS_ERROR_NOT_IMPLEMENTED;
}
NS_IMETHODIMP nsCharsetMenu::DoCommand(nsISupportsArray* aSources,
nsIRDFResource* aCommand,
nsISupportsArray* aArguments)
{
NS_NOTYETIMPLEMENTED("nsCharsetMenu::DoCommand");
return NS_ERROR_NOT_IMPLEMENTED;
}
NS_IMETHODIMP nsCharsetMenu::BeginUpdateBatch()
{
return mInner->BeginUpdateBatch();
}
NS_IMETHODIMP nsCharsetMenu::EndUpdateBatch()
{
return mInner->EndUpdateBatch();
}
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