gecko-dev/lib/libmsg/biffmast.cpp

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C++

/* -*- Mode: C; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 2 -*-
*
* The contents of this file are subject to the Netscape Public License
* Version 1.0 (the "NPL"); you may not use this file except in
* compliance with the NPL. You may obtain a copy of the NPL at
* http://www.mozilla.org/NPL/
*
* Software distributed under the NPL is distributed on an "AS IS" basis,
* WITHOUT WARRANTY OF ANY KIND, either express or implied. See the NPL
* for the specific language governing rights and limitations under the
* NPL.
*
* The Initial Developer of this code under the NPL is Netscape
* Communications Corporation. Portions created by Netscape are
* Copyright (C) 1998 Netscape Communications Corporation. All Rights
* Reserved.
*/
/*
Implementation file for the Biff Master (check to see if there is mail) for multiple
servers. rb
*/
#include "msg.h"
#include "msgfpane.h"
#include "msgprefs.h"
#include "msgfinfo.h"
#include "imaphost.h"
#include "msgimap.h"
#include "msgsend.h"
#include "msgmast.h"
#include "client.h"
#include "imap.h"
#include "prefapi.h"
#include "msgbiff.h"
#include "pw_public.h"
/********************************************************************/
/* OBSOLETE WRAPPER STUFF */
extern "C" void MSG_RegisterBiffCallback( MSG_BIFF_CALLBACK /*cb*/ )
{
XP_ASSERT(FALSE);
}
extern "C" void MSG_UnregisterBiffCallback()
{
XP_ASSERT(FALSE);
}
/* Set the preference of how often to run biff. If zero is passed in, then
never check. */
extern "C" void MSG_SetBiffInterval(int32 /*seconds*/)
{
XP_ASSERT(FALSE);
}
#ifdef XP_UNIX
/* Set the file to stat, instead of using pop3. This is for the Unix movemail
nonsense. If the filename is NULL (the default), then use pop3. */
extern "C" void MSG_SetBiffStatFile(const char* filename)
{
// XP_ASSERT(FALSE);
}
#endif
/* Causes a biff check to occur immediately. This gets caused
automatically by MSG_SetBiffInterval or whenever libmsg gets new mail. */
extern "C" void MSG_BiffCheckNow(MWContext* /*context*/)
{
XP_ASSERT(FALSE);
}
/* END WRAPPER LEGACY STUFF */
/**************** T H E B I F F M A S T E R *************************/
static MSG_Biff_Master *gBiffMaster = NULL;
extern "C" void MSG_SetBiffStateAndUpdateFE(MSG_BIFF_STATE newState)
{
if (gBiffMaster)
gBiffMaster->SetNikiBiffState(newState);
}
void MSG_Biff_Master::SetNikiBiffState(MSG_BIFF_STATE state)
{
if (state != m_state) {
FE_UpdateBiff(state);
// if (m_biffcallback)
// (*m_biffcallback)(state, m_state);
m_state = state;
}
}
/* Get and set the current biff state */
extern "C" MSG_BIFF_STATE MSG_GetBiffState()
{
if (gBiffMaster)
return (gBiffMaster->GetNikiBiffState());
return MSG_BIFF_NoMail;
}
MSG_BIFF_STATE MSG_Biff_Master::GetNikiBiffState(void)
{
return m_state;
}
extern "C" XP_Bool MSG_Biff_Master_NikiCallingGetNewMail()
{
return MSG_Biff_Master::NikiCallingGetNewMail();
}
/* static */
XP_Bool MSG_Biff_Master::NikiCallingGetNewMail(void)
{
if (gBiffMaster)
return gBiffMaster->NikiBusy();
return FALSE;
}
XP_Bool MSG_Biff_Master::NikiBusy(void)
{
return m_nikiBusy;
}
/* static */
MSG_Pane* MSG_Biff_Master::GetPane(void)
{
if (gBiffMaster)
return gBiffMaster->m_nikiPane;
return 0L;
}
void MSG_Biff_Master::PrefCalls(const char* pref, void* closure)
{
int32 serverType = 0;
if (m_biff)
m_biff->PrefsChanged(pref, closure);
PREF_GetIntPref("mail.server_type", &serverType);
if (serverType != m_serverType)
{
m_serverType = serverType; // User switched from POP to IMAP or vice-versa
}
FindNextBiffer(); // someone may be enabled now
}
/* static */
void MSG_Biff_Master::TimerCall(void* /*closure*/)
{
if (gBiffMaster)
gBiffMaster->TimeIsUp();
}
int PR_CALLBACK
MSG_Biff_Master::PrefsChanged(const char* pref, void* closure)
{
if (gBiffMaster)
gBiffMaster->PrefCalls(pref, closure);
return 0;
}
// show progress information to the user, but if the context we are being given is
// our own, then find another one visible to the user and that has to do with mail,
// since the biff context is not visible.
extern "C"
void MSG_Biff_Master_FE_Progress(MWContext *context, char *msg)
{
MWContext *msgContext = NULL;
if (gBiffMaster)
msgContext = gBiffMaster->GetContext();
if (context == msgContext)
msgContext = gBiffMaster->FindMailContext();
else
msgContext = context;
FE_Progress(msgContext, msg);
}
MWContext* MSG_Biff_Master::FindMailContext(void)
{
MWContext *context = m_context;
MSG_Pane *mailPane = NULL;
if (!m_master)
return context;
mailPane = m_master->FindFirstPaneOfType(MSG_FOLDERPANE);
if (!mailPane)
mailPane = m_master->FindFirstPaneOfType(MSG_THREADPANE);
if (mailPane)
context = mailPane->GetContext();
return context;
}
MWContext *MSG_GetBiffContext()
{
return (gBiffMaster) ? gBiffMaster->GetContext() : 0;
}
MWContext* MSG_Biff_Master::GetContext(void)
{
return m_context;
}
extern "C" int
MSG_BiffCleanupContext(MWContext* context)
{
if (gBiffMaster)
{
MWContext *ct = context;
if (!ct)
ct = gBiffMaster->GetContext();
PREF_UnregisterCallback("mail.", MSG_Biff_Master::PrefsChanged, ct);
delete gBiffMaster;
gBiffMaster = 0;
}
return 0;
}
extern "C" int
MSG_BiffInit(MWContext* context, MSG_Prefs* prefs)
{
MSG_Biff_Master::Init_Biff_Master(context, prefs);
return 0;
}
/* static */
void MSG_Biff_Master::AddBiffFolder(char *name, XP_Bool checkMail, int interval, XP_Bool enabled, char *host)
{
if (gBiffMaster)
gBiffMaster->AddFolder(name, checkMail, interval, enabled, host);
}
/* static */
void MSG_Biff_Master::RemoveBiffFolder(char *name)
{
if (gBiffMaster)
gBiffMaster->RemoveFolder(name);
}
void MSG_Biff_Master::RemoveFolder(char *name)
{
MSG_NikiBiff *biff = m_biff, *prevBiff = NULL;
while (biff)
{
if (XP_STRCMP(biff->GetName(), name) == 0)
{
if (!prevBiff)
m_biff = biff->RemoveSelf();
else
prevBiff->SetNext(biff->RemoveSelf());
return;
}
prevBiff = biff;
biff = biff->GetNext();
}
}
// When we add a folder, see if we have a folder with no name, which would indicate it was
// meant to check for POP3 mail until the user opens the mail component, so re-use that folder
// with the real settings from the user now.
void MSG_Biff_Master::AddFolder(char *name, XP_Bool checkMail, int interval, XP_Bool enabled, char *host)
{
MSG_NikiBiff *biff = NULL;
if (m_biff)
{
if (m_biff->GetName() == NULL)
m_biff = m_biff->RemoveSelf();
}
biff = new MSG_NikiBiff();
if (!biff)
return;
biff->SetFolderName(name);
biff->SetInterval(interval);
biff->SetCheckFlag(checkMail);
biff->SetEnabled(enabled);
biff->SetPrefs(m_prefs);
biff->SetHostName(host);
biff->SetContext(m_context);
if (m_biff)
biff->SetNext(m_biff);
m_biff = biff;
FindNextBiffer(); // start our checks if enabled
}
/* static */
void MSG_Biff_Master::Init_Biff_Master(MWContext* context, MSG_Prefs* prefs)
{
if (!gBiffMaster)
gBiffMaster = new MSG_Biff_Master();
if (gBiffMaster)
gBiffMaster->Init(context, prefs);
}
// Our timer has expired, so call whoever was next and then calculate once
// more who will be next
void MSG_Biff_Master::TimeIsUp()
{
//if (m_timer)
// FE_ClearTimeout(m_timer); // already cleared by timer API
m_nikiBusy = TRUE;
m_timer = NULL;
if (m_currentBiff)
m_currentBiff->MailCheck();
m_nikiBusy = FALSE;
FindNextBiffer();
}
MSG_Biff_Master::~MSG_Biff_Master()
{
MSG_NikiBiff *biff;
if (m_timer)
FE_ClearTimeout(m_timer);
biff = m_biff;
while (biff)
biff = biff->RemoveSelf();
if (m_nikiContext)
{
PW_AssociateWindowWithContext(m_nikiContext, 0L); // The FE's destroy our windows
PW_DestroyProgressContext(m_nikiContext);
}
m_nikiContext = NULL;
}
MSG_Biff_Master::MSG_Biff_Master()
{
m_context = m_nikiContext = NULL;
m_nikiPane = NULL;
m_prefs = NULL;
m_biff = m_currentBiff = NULL;
m_timer = NULL;
m_state = MSG_BIFF_Unknown;
m_nikiBusy = FALSE;
m_master = NULL;
FE_UpdateBiff(m_state);
}
// Init our stuff, if the user i using POP3 and they have the options for check new mail
// and remember password, then make a fake niki biff object to check for mail. We will
// kill it if they open mail.
void MSG_Biff_Master::Init(MWContext* context, MSG_Prefs* prefs)
{
int32 serverType = 0;
m_context = context;
m_prefs = prefs;
PREF_RegisterCallback("mail.", MSG_Biff_Master::PrefsChanged, m_context);
if (m_prefs)
{
m_master = m_prefs->GetMasterForBiff();
if (!m_master)
m_master = MSG_InitializeMail(m_prefs);
PREF_GetIntPref("mail.server_type", &serverType);
m_serverType = serverType;
if (m_serverType == 0) // see if they want to check mail, create fake folder for biffing POP3
{
int32 interval = 0;
XP_Bool checkMail = FALSE, enabled = FALSE;
PREF_GetIntPref("mail.check_time", &interval);
PREF_GetBoolPref("mail.check_new_mail", &checkMail);
PREF_GetBoolPref("mail.remember_password", &enabled);
AddFolder(NULL, checkMail, interval, enabled, NULL);
}
}
if (!m_nikiContext)
{
XP_Bool show = FALSE;
PREF_GetBoolPref("mail.progress_pane", &show);
if (show)
{
m_nikiContext = PW_CreateProgressContext();
if (m_nikiContext)
m_nikiPane = MSG_CreateProgressPane (m_context, m_prefs->GetMasterForBiff(), NULL);
}
}
}
/* static */
void MSG_Biff_Master::MailCheckEnable(char *name, XP_Bool enable)
{
if (gBiffMaster)
{
gBiffMaster->FindAndEnable(name, enable);
gBiffMaster->FindNextBiffer();
}
}
void MSG_Biff_Master::FindAndEnable(char *name, XP_Bool enable)
{
MSG_NikiBiff *biff = m_biff;
while (biff)
{
if (XP_STRCMP(biff->GetName(), name) == 0)
{
biff->SetEnabled(enable);
return;
}
biff = biff->GetNext();
}
}
void MSG_Biff_Master::FindNextBiffer(void)
{
MSG_NikiBiff *biff = NULL;
time_t low = 0, next = 0, current = 0;
if (m_timer)
FE_ClearTimeout(m_timer);
m_timer = NULL;
biff = m_biff;
m_currentBiff = NULL;
time(&low);
low += 30000; // make bogus future date
while (biff)
{
next = biff->GetNextBiffTime(); // returns 0 if not active
if (next && (next <= low))
{
low = next;
m_currentBiff = biff;
}
biff = biff->GetNext();
}
if (m_currentBiff) // we have a winner !
{
time(&current);
low = low - current; // stopped on debugger or whatever
if (low < 0)
low = 1;
m_timer = FE_SetTimeout(MSG_Biff_Master::TimerCall, m_context, low * 1000L);
}
}
/***********************************************************************/
// I18N - this is a preference string and should not be localized
static const char *kPrefTemplate = "mail.imap.server.%s.%s";
void MSG_NikiBiff::PrefsChanged(const char* pref, void *closure)
{
char *prefName = NULL;
XP_Bool check = FALSE;
int32 interval = 0;
// See if our server changed mail_check prefs
if (m_next)
m_next->PrefsChanged(pref, closure);
if (!m_host) // POP3
{
PREF_GetIntPref("mail.check_time", &interval);
m_interval = interval * 60;
PREF_GetBoolPref("mail.check_new_mail", &check);
m_needsToCheck = check;
PREF_GetBoolPref("mail.pop3_gets_new_mail", &check);
m_pop3GetsMail = check;
return;
}
if (XP_STRSTR(pref, m_host) && (XP_STRSTR(pref, "check_time") || XP_STRSTR(pref, "check_new_mail") ||
XP_STRSTR(pref, "get_headers")))
{
prefName = (char*) XP_ALLOC(200);
if (!prefName)
return;
PR_snprintf(prefName, 200, kPrefTemplate, m_host, "check_time");
PREF_GetIntPref(prefName, &interval);
m_interval = interval * 60;
PR_snprintf(prefName, 200, kPrefTemplate, m_host, "check_new_mail");
PREF_GetBoolPref(prefName, &check);
m_needsToCheck = check;
PREF_GetBoolPref("mail.imap.new_mail_get_headers", &check);
m_getHeaders = check;
XP_FREE(prefName);
}
}
char * MSG_NikiBiff::GetName(void)
{
return m_folderName;
}
void MSG_NikiBiff::SetCallback(void *call)
{
m_callback = (void*) call;
}
// If set, and enabled also set the we need to check for new mail, otherwise sleep
void MSG_NikiBiff::SetCheckFlag(XP_Bool check)
{
m_needsToCheck = check;
}
time_t MSG_NikiBiff::GetNextBiffTime(void)
{
if (m_needsToCheck && m_enabled && !NET_IsOffline())
return m_nextTime;
return 0;
}
// Remove ourselves from the list, the iterator will get our next and give to
// our previous
MSG_NikiBiff* MSG_NikiBiff::RemoveSelf(void)
{
MSG_NikiBiff *next = m_next;
delete this;
return next;
}
void MSG_NikiBiff::SetInterval(int32 interval)
{
time_t t;
m_nextTime = 0;
m_interval = interval * 60; // calculate seconds, since interval is minutes
if (m_interval < 0)
m_interval = 0;
if (m_interval)
{
time(&t);
m_nextTime = t + m_interval;
}
}
// Set the next guy in out list
void MSG_NikiBiff::SetNext(MSG_NikiBiff *next)
{
m_next = next;
}
MSG_NikiBiff* MSG_NikiBiff::GetNext(void)
{
return m_next;
}
MSG_NikiBiff::MSG_NikiBiff()
{
m_folderName = m_host = NULL;
m_pane = NULL;
m_master = NULL;
m_context = NULL;
m_prefs = NULL;
m_interval = 0;
m_biffStatFile = NULL;
m_next = 0L;
m_nextTime = 0;
m_needsToCheck = m_enabled = FALSE;
m_callback = 0;
m_getHeaders = m_pop3GetsMail = FALSE;
}
MSG_NikiBiff::~MSG_NikiBiff()
{
FREEIF(m_folderName);
FREEIF(m_biffStatFile);
FREEIF(m_host);
}
void MSG_NikiBiff::SetEnabled(XP_Bool enabled)
{
m_enabled = enabled;
}
void MSG_NikiBiff::SetFolderName(char *name)
{
FREEIF(m_folderName);
m_folderName = NULL;
if (name)
m_folderName = XP_STRDUP(name);
}
void MSG_NikiBiff::SetHostName(char *host)
{
XP_Bool check = FALSE;
FREEIF(m_host);
m_host = NULL;
if (host)
{
m_host = XP_STRDUP(host);
PREF_GetBoolPref("mail.imap.new_mail_get_headers", &check);
m_getHeaders = check;
} else {
PREF_GetBoolPref("mail.pop3_gets_new_mail", &check);
m_pop3GetsMail = check;
}
}
void MSG_NikiBiff::SetStatFile(char *name)
{
FREEIF(m_biffStatFile);
m_biffStatFile = NULL;
if (name)
m_biffStatFile = XP_STRDUP(name);
}
void MSG_NikiBiff::SetPrefs(MSG_Prefs *prefs)
{
m_prefs = prefs;
}
void MSG_NikiBiff::SetContext(MWContext *context)
{
m_context = context;
}
// If the user does not want us to get their POP3 new mail, but just to check for it...
// then check it.
void MSG_NikiBiff::OldPOP3Biff(void)
{
char* url = NULL;
URL_Struct* url_struct = NULL;
url = PR_smprintf("pop3://%s/?check", MSG_GetPopHost(m_prefs));
if (!url)
return;
url_struct = NET_CreateURLStruct(url, NET_SUPER_RELOAD); /* Old style biff */
if (!url_struct)
return;
url_struct->internal_url = TRUE;
msg_InterruptContext(m_context, FALSE);
NET_GetURL(url_struct, FO_PRESENT, m_context, 0L);
XP_FREE(url); /* allocated by PR_smprintf() */
}
// Reset (recalculate) our time and check for mail if possible
void MSG_NikiBiff::MailCheck(void)
{
MSG_FolderInfoMail *mailFolder = NULL;
MSG_IMAPFolderInfoMail *imapFolderNotInView = NULL;
time_t t;
int counter = 0, total = 0;
XPPtrArray panes;
MSG_Pane *pane;
time(&t);
m_nextTime = t + m_interval;
/*
#ifdef XP_UNIX
XP_StatStruct biffst;
if (!XP_Stat(biffStatFile, &biffst, xpMailFolder) && biffst.st_size > 0)
MSG_SetBiffStateAndUpdateFE(MSG_BIFF_NewMail);
else
MSG_SetBiffStateAndUpdateFE(MSG_BIFF_NoMail);
#endif
*/
if (NET_IsOffline() || !m_prefs)
return;
if (!m_master)
m_master = m_prefs->GetMasterForBiff();
if (!m_master)
m_master = MSG_InitializeMail(m_prefs);
if (!m_master)
return; // Bogus
// Later on we can pass the owner name and folder name if not just doing inboxes
if (m_host) // IMAP folder
mailFolder = m_master->FindFolderForNikiBiff("INBOX" /* m_folderName */ , (const char*) m_host, NULL /* owner */ );
else
mailFolder = m_master->FindFolderForNikiBiff(m_folderName, NULL, NULL);
if (!mailFolder)
{
if (!m_host)
OldPOP3Biff();
return;
}
if (mailFolder->GetGettingMail())
{
time(&t);
m_nextTime = t + 30; // try again in 30 seconds since we are busy
return;
}
pane = MSG_Biff_Master::GetPane();
if (!pane)
{
m_master->FindPanesReferringToFolder (mailFolder, &panes);
total = panes.GetSize();
m_pane = pane = NULL;
for (counter = 0; counter < total; counter++)
{
pane = (MSG_Pane*) panes.GetAt(counter);
if ((pane && (pane->GetPaneType() == MSG_FOLDERPANE)) || (pane && !m_pane)) // MSG_THREADPANE
m_pane = pane; // find folder pane, or last resort any pane
}
} else
m_pane = pane;
if (!m_pane) // Currently only in use for UNIX, until we get a pane
{
imapFolderNotInView = mailFolder->GetIMAPFolderInfoMail(); // Folder is not opened in any pane, so just borrow one
if (imapFolderNotInView && m_context && !imapFolderNotInView->GetGettingMail() && !imapFolderNotInView->IsLocked())
imapFolderNotInView->MailCheck(m_context);
return;
}
if (!mailFolder->GetGettingMail() && !mailFolder->IsLocked())
{
if ((m_host && m_getHeaders) || (!m_host && m_pop3GetsMail)) // POP3 or IMAP
m_pane->GetMailForAFolder((MSG_FolderInfo*) mailFolder);
else
{
imapFolderNotInView = mailFolder->GetIMAPFolderInfoMail();
if (imapFolderNotInView)
imapFolderNotInView->Biff(m_context); // IMAP Folder, don't get mail
else
OldPOP3Biff(); // POP3, don't get mail
}
}
}