mirror of
https://github.com/mozilla/gecko-dev.git
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1a97e11ffd
The mailto library is the mail compose code ripped out of the old Messenger libmsg library, then cleaned up somewhat (it could still use more cleaning). This library should only be built ifdef MOZ_MAIL_COMPOSE.
503 lines
14 KiB
C++
503 lines
14 KiB
C++
/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 2 -*-
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*
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* The contents of this file are subject to the Netscape Public License
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* Version 1.0 (the "NPL"); you may not use this file except in
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* compliance with the NPL. You may obtain a copy of the NPL at
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* http://www.mozilla.org/NPL/
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*
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* Software distributed under the NPL is distributed on an "AS IS" basis,
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* WITHOUT WARRANTY OF ANY KIND, either express or implied. See the NPL
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* for the specific language governing rights and limitations under the
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* NPL.
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*
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* The Initial Developer of this code under the NPL is Netscape
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* Communications Corporation. Portions created by Netscape are
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* Copyright (C) 1998 Netscape Communications Corporation. All Rights
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* Reserved.
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*/
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//
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#include "msg.h"
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#include "msgurlq.h"
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#include "msgpane.h"
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MSG_UrlQueueElement::MSG_UrlQueueElement (const char *url, MSG_UrlQueue *queue, Net_GetUrlExitFunc *exitFunction, MSG_Pane *pane, NET_ReloadMethod reloadMethod, FO_Present_Types outputFormat)
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{
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m_queue = queue;
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m_pane = pane;
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m_urlString = XP_STRDUP(url);
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m_exitFunction = exitFunction;
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m_reloadMethod = reloadMethod;
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m_url = NULL;
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m_callGetURLDirectly = FALSE;
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m_outputFormat = outputFormat;
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}
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MSG_UrlQueueElement::MSG_UrlQueueElement (URL_Struct *url, MSG_UrlQueue *queue, Net_GetUrlExitFunc *exitFunction, MSG_Pane *pane, XP_Bool skipFE, FO_Present_Types outputFormat)
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{
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m_queue = queue;
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m_pane = pane;
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m_urlString = XP_STRDUP(url->address);
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m_exitFunction = exitFunction;
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m_reloadMethod = url->force_reload;
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m_url = url;
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m_callGetURLDirectly = skipFE;
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m_outputFormat = outputFormat;
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}
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MSG_UrlQueueElement::MSG_UrlQueueElement (URL_Struct *urls, MSG_UrlQueue *q)
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{
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m_queue = q;
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m_pane = urls->msg_pane;
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m_urlString = XP_STRDUP(urls->address);;
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m_url = urls;
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m_exitFunction = NULL;
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m_reloadMethod = NET_DONT_RELOAD;
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m_callGetURLDirectly = FALSE;
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m_outputFormat = FO_CACHE_AND_PRESENT;
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}
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MSG_UrlQueueElement::~MSG_UrlQueueElement()
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{
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FREEIF(m_urlString);
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// if (m_url && m_callGetURLDirectly)
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// NET_FreeURLStruct(m_url); // Tempting, but not our job
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}
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void MSG_UrlQueueElement::PrepareToRun()
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{
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// nothing we have to do right now for queue elements.
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return;
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}
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char* MSG_UrlQueueElement::GetURLString()
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{
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if (m_urlString)
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return m_urlString;
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if (m_url)
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return(m_url->address);
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return(NULL);
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}
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URL_Struct* MSG_UrlQueueElement::GetURLStruct()
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{
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if (!m_url)
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m_url = NET_CreateURLStruct( m_urlString, NET_DONT_RELOAD);
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return(m_url);
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}
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MSG_UrlLocalMsgCopyQueueElement::MSG_UrlLocalMsgCopyQueueElement(MessageCopyInfo * info, const char * url, MSG_UrlQueue * q,
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Net_GetUrlExitFunc * func, MSG_Pane * pane, NET_ReloadMethod reloadMethod)
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: MSG_UrlQueueElement (url, q, func, pane, reloadMethod)
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{
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m_copyInfo = info;
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}
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MSG_UrlLocalMsgCopyQueueElement::MSG_UrlLocalMsgCopyQueueElement(MessageCopyInfo * info, URL_Struct * url, MSG_UrlQueue * q,
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Net_GetUrlExitFunc * func, MSG_Pane * pane, XP_Bool skipFE)
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: MSG_UrlQueueElement (url, q, func, pane, skipFE)
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{
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m_copyInfo = info;
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}
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MSG_UrlLocalMsgCopyQueueElement::MSG_UrlLocalMsgCopyQueueElement (MessageCopyInfo * info, URL_Struct * urls, MSG_UrlQueue * q)
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: MSG_UrlQueueElement(urls, q)
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{
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m_copyInfo = info;
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}
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MSG_UrlLocalMsgCopyQueueElement::~MSG_UrlLocalMsgCopyQueueElement()
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{
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// should we delete the copy info? I don't think so!!
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// when copy was finished, a call to MSG_FolderInfo::CleanUpCopy deletes
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// the copy info in the current context. Assuming our queue element isn't deleted before
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// it is executed upon......we don't need to delete it.
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}
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void MSG_UrlLocalMsgCopyQueueElement::PrepareToRun()
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{
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MWContext * context = m_pane->GetContext();
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MessageCopyInfo * victim = NULL;
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if (context)
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{
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victim = context->msgCopyInfo;
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XP_ASSERT(!victim); // we actually should never have a victim....but if we do:
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// the last copy info is done.
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if (victim)
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XP_FREEIF(victim); // local copies never have copy info chains, don't have to worry about nextCopyInfo
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context->msgCopyInfo = m_copyInfo; // set ourselves up as the next copy info
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}
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}
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//*****************************************************************************
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// MSG_UrlQueue -- Intended to be a general purpose way to chain several
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// URLs together using the exit functions
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//*****************************************************************************
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const int MSG_UrlQueue::kNoSpecialIndex = -1;
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MSG_UrlQueue::MSG_UrlQueue (MSG_Pane *pane)
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{
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#ifdef DEBUG
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MSG_UrlQueue *existingQueue = FindQueue(pane);
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if (existingQueue)
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{
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MSG_UrlQueueElement *elem = existingQueue->GetAt (existingQueue->m_runningUrl);
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if (elem)
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XP_Trace("trying to create queue while %s is running\n", elem->m_urlString);
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}
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XP_ASSERT(!existingQueue);
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#endif
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m_pane = pane;
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m_runningUrl = -1;
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m_IndexOfNextUrl = kNoSpecialIndex;
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m_inExitFunc = FALSE;
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GetQueueArray()->Add (this);
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}
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MSG_UrlQueue::~MSG_UrlQueue ()
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{
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GetQueueArray()->Remove(this);
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for (int i = 0; i < GetSize (); i++)
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{
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MSG_UrlQueueElement *e = GetAt(i);
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delete e;
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}
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}
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XPPtrArray *
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MSG_UrlQueue::GetQueueArray()
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{
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if (!m_queueArray)
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m_queueArray = new XPPtrArray();
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return m_queueArray;
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}
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XP_Bool MSG_UrlQueue::IsIMAPLoadFolderUrlQueue()
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{
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return FALSE;
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}
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void MSG_UrlQueue::AddUrl (const char *url, Net_GetUrlExitFunc *exitFunction, MSG_Pane *pane, NET_ReloadMethod reloadMethod)
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{
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MSG_UrlQueueElement *elem = NULL;
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if (!pane)
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pane = m_pane;
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elem = new MSG_UrlQueueElement (url, this, exitFunction, pane, reloadMethod);
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if (elem)
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Add(elem);
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}
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void MSG_UrlQueue::AddUrl (URL_Struct *url, Net_GetUrlExitFunc *exitFunction, MSG_Pane *pane, XP_Bool skipFE, FO_Present_Types outputFormat)
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{
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MSG_UrlQueueElement * elem = NULL;
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if (!pane)
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pane = m_pane;
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elem = new MSG_UrlQueueElement(url, this, exitFunction, pane, skipFE, outputFormat);
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if (elem)
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Add(elem);
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}
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void MSG_UrlQueue::AddLocalMsgCopyUrl(MessageCopyInfo * info, const char *url, Net_GetUrlExitFunc *exitFunction, MSG_Pane * pane, NET_ReloadMethod reloadMethod)
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{
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MSG_UrlLocalMsgCopyQueueElement *elem = NULL;
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if (!pane)
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pane = m_pane;
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elem = new MSG_UrlLocalMsgCopyQueueElement (info, url, this, exitFunction, pane, reloadMethod);
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if (elem)
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Add(elem);
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}
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/* static */ MSG_UrlQueue * MSG_UrlQueue::FindQueueWithSameContext(MSG_Pane *pane)
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{
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MSG_UrlQueue * q = NULL;
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XP_ASSERT(pane);
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if (pane)
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{
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q = MSG_UrlQueue::FindQueue(pane);
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MSG_Pane *QPane = pane->GetFirstPaneForContext(pane->GetContext());
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while (!q && QPane)
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{
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q = MSG_UrlQueue::FindQueue(QPane);
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if (!q)
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QPane = pane->GetNextPaneForContext(QPane, pane->GetContext());
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}
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#ifdef DEBUG_bienvenu
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if (q && QPane != pane)
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XP_Trace("found queue for different pane with same context!\n");
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#endif
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}
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return q;
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}
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/* static */ MSG_UrlQueue * MSG_UrlQueue::GetOrCreateUrlQueue (MSG_Pane * pane, XP_Bool * newQueue)
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// The following code appeared in just about every AddUrl method or variant thereof. I've generalized it in this single
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// routine.
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// Returns: pointer to the queue for the pane. If we had to create the queue, then newQueue is set to TRUE;
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{
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*newQueue = FALSE;
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MSG_UrlQueue *q = FindQueueWithSameContext(pane);
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if (!q)
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{
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q = new MSG_UrlQueue(pane);
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*newQueue = TRUE;
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}
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// we seem to get in this state where we're not running a url but the queue
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// thinks we are.
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if (! (q->m_inExitFunc || q->m_runningUrl == -1 || XP_IsContextBusy(pane->GetContext())))
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{
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#ifdef DEBUG
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MSG_UrlQueueElement *runningElement = q->GetAt(q->m_runningUrl);
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if (runningElement)
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XP_Trace("q was running url %s\n", runningElement->GetURLString());
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XP_ASSERT(FALSE);
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#endif
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}
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return q;
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}
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/* static */ MSG_UrlQueue * MSG_UrlQueue::AddUrlToPane (const char *url, Net_GetUrlExitFunc *exitFunction, MSG_Pane *pane, NET_ReloadMethod reloadMethod)
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{
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MSG_UrlQueue *q;
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MSG_UrlQueueElement *elem = NULL;
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XP_Bool newQ = FALSE;
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q = GetOrCreateUrlQueue(pane, &newQ);
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if (q)
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{
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elem = new MSG_UrlQueueElement (url, q, exitFunction, pane, reloadMethod);
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if (elem)
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q->Add(elem);
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if (newQ)
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q->GetNextUrl();
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}
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return q;
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}
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/* static*/ MSG_UrlQueue *MSG_UrlQueue::AddLocalMsgCopyUrlToPane (MessageCopyInfo * info, const char *url, Net_GetUrlExitFunc *exitFunction, MSG_Pane *pane, NET_ReloadMethod reloadMethod)
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{
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MSG_UrlQueue *q;
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MSG_UrlLocalMsgCopyQueueElement *elem = NULL;
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XP_Bool newQ = FALSE;
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q = GetOrCreateUrlQueue(pane, &newQ);
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if (q)
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{
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elem = new MSG_UrlLocalMsgCopyQueueElement (info, url, q, exitFunction, pane, reloadMethod);
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if (elem)
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q->Add(elem);
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if (newQ)
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q->GetNextUrl();
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}
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return q;
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}
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/* static */ MSG_UrlQueue *MSG_UrlQueue::AddUrlToPane (URL_Struct *url, Net_GetUrlExitFunc *exitFunction, MSG_Pane *pane, XP_Bool skipFE, FO_Present_Types outputFormat)
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{
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MSG_UrlQueue *q;
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MSG_UrlQueueElement *elem = NULL;
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XP_Bool newQ = FALSE;
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q = GetOrCreateUrlQueue(pane, &newQ);
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if (q)
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{
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elem = new MSG_UrlQueueElement (url, q, exitFunction, pane, skipFE, outputFormat);
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if (elem)
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q->Add(elem);
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if (newQ)
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q->GetNextUrl();
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}
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return q;
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}
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/* static */ MSG_UrlQueue *MSG_UrlQueue::AddLocalMsgCopyUrlToPane(MessageCopyInfo * info, URL_Struct * url, Net_GetUrlExitFunc * exitFunction, MSG_Pane * pane, XP_Bool skipFE)
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{
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MSG_UrlQueue *q;
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MSG_UrlLocalMsgCopyQueueElement *elem = NULL;
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XP_Bool newQ = FALSE;
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q = GetOrCreateUrlQueue(pane, &newQ);
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if (q)
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{
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elem = new MSG_UrlLocalMsgCopyQueueElement (info, url, q, exitFunction, pane, skipFE);
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if (elem)
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q->Add(elem);
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if (newQ)
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q->GetNextUrl();
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}
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return q;
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}
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void MSG_UrlQueue::AddUrlAt (int where, const char *url, Net_GetUrlExitFunc *exitFunction, MSG_Pane *pane, NET_ReloadMethod reloadMethod)
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{
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if (!pane)
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pane = m_pane;
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MSG_UrlQueueElement *elem = new MSG_UrlQueueElement (url, this, exitFunction, pane, reloadMethod);
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if (elem)
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InsertAt (where, elem);
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}
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void MSG_UrlQueue::AddLocalMsgCopyUrlAt (MessageCopyInfo * info, int where, const char * url, Net_GetUrlExitFunc * exitFunction, MSG_Pane * pane, NET_ReloadMethod reloadMethod)
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{
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if (!pane)
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pane = m_pane;
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MSG_UrlLocalMsgCopyQueueElement *elem = new MSG_UrlLocalMsgCopyQueueElement (info, url, this, exitFunction, pane, reloadMethod);
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if (elem)
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InsertAt (where, elem);
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}
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void MSG_UrlQueue::GetNextUrl()
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{
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int err = 0;
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MSG_UrlQueueElement *elem = GetAt(++m_runningUrl);
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XP_ASSERT(elem);
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if (elem)
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{
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// we need to make sure the queue element is ready to be run!!!
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elem->PrepareToRun();
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if (!elem->m_url)
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{
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elem->m_url = NET_CreateURLStruct (elem->m_urlString, elem->m_reloadMethod);
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if (!elem->m_url)
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return; // (MsgERR) MK_OUT_OF_MEMORY;
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}
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if (elem->m_url && XP_STRLEN(elem->m_url->address) > 0)
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{
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elem->m_url->internal_url = TRUE;
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elem->m_url->pre_exit_fn = &MSG_UrlQueue::ExitFunction;
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if (elem->m_callGetURLDirectly)
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{
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elem->m_url->pre_exit_fn = NULL;
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err = NET_GetURL(elem->m_url, elem->m_outputFormat, elem->m_pane->GetContext(), MSG_UrlQueue::ExitFunction);
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} else
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{
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#ifdef MOZ_MAIL_NEWS
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err = elem->m_pane->GetURL (elem->m_url, FALSE);
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#else /* MOZ_MAIL_NEWS */
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XP_ASSERT(0);
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#endif /* MOZ_MAIL_NEWS */
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}
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}
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else
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{
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elem->m_url->msg_pane = m_pane;
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CallExitAndChain(elem->m_url, 0, elem->m_pane->GetContext());
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}
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}
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}
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void MSG_UrlQueue::HandleUrlQueueInterrupt(URL_Struct * URL_s, int status, MWContext * window_id)
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{
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for (int i = 0; i < m_interruptCallbacks.GetSize(); i++)
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{
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MSG_UrlQueueInterruptFunc *exitFunc = (MSG_UrlQueueInterruptFunc *) m_interruptCallbacks.GetAt(i);
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if (exitFunc)
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(*exitFunc) (this, URL_s, status, window_id);
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}
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// default is to do nothing
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}
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/*static*/ XPPtrArray *MSG_UrlQueue::m_queueArray = NULL;
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/*static*/ MSG_UrlQueue *MSG_UrlQueue::FindQueue (const char *url, MWContext *context)
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{
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for (int i = 0; i < GetQueueArray()->GetSize(); i++)
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{
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MSG_UrlQueue *queue = (MSG_UrlQueue*)(GetQueueArray()->GetAt(i));
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for (int j = 0; j < queue->GetSize(); j++)
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{
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MSG_UrlQueueElement *elem = queue->GetAt(j);
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// pane has been deleted - remove element from queue
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if (!MSG_Pane::PaneInMasterList(elem->m_pane))
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{
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#ifdef DEBUG_akkana
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printf("FindQueue: Removing deleted pane\n");
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#endif /* DEBUG */
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queue->RemoveAt(j--);
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delete elem;
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}
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else if (elem->m_pane->GetContext() == context)
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{
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if (elem->m_urlString && !XP_STRCMP(elem->m_urlString, url))
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return queue;
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}
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}
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}
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return NULL;
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}
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/*static*/ MSG_UrlQueue *MSG_UrlQueue::FindQueue (MSG_Pane *pane)
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{
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for (int i = 0; i < GetQueueArray()->GetSize (); i++)
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{
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MSG_UrlQueue *queue = (MSG_UrlQueue*)(GetQueueArray()->GetAt(i));
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if (queue->m_pane == pane)
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return queue;
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}
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return NULL;
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}
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/*static*/ void MSG_UrlQueue::ExitFunction (URL_Struct *URL_s, int status, MWContext *window_id)
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{
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MSG_UrlQueue *queue = FindQueue (URL_s->address, window_id);
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XP_ASSERT(queue);
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if (queue)
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queue->CallExitAndChain(URL_s, status, window_id);
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}
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// Note that this can delete itself if at the end of its list.
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void MSG_UrlQueue::CallExitAndChain(URL_Struct *URL_s, int status, MWContext *window_id)
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{
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MSG_UrlQueueElement *elem = GetAt (m_runningUrl);
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if (elem->m_exitFunction)
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{
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m_inExitFunc = TRUE;
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elem->m_exitFunction (URL_s, status, window_id);
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m_inExitFunc = FALSE;
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}
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if ((m_runningUrl >= GetSize() - 1) || status == MK_INTERRUPTED)
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{
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if (status == MK_INTERRUPTED)
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HandleUrlQueueInterrupt(URL_s, status, window_id);
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delete this;
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}
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else
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GetNextUrl();
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}
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extern "C" int MSG_GetUrlQueueSize (const char *url, MWContext *context)
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{
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MSG_UrlQueue *queue = MSG_UrlQueue::FindQueue (url, context);
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if (queue)
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return queue->GetSize();
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return 0;
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}
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void MSG_UrlQueue::AddInterruptCallback(MSG_UrlQueueInterruptFunc *interruptFunc)
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{
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m_interruptCallbacks.Add((void *) interruptFunc);
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}
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