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/* -*- Mode: Javascript; 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/. */
Components.utils.import("resource://gre/modules/Services.jsm");
var MailOfflineMgr = {
offlineManager: null,
offlineBundle: null,
init: function()
{
Services.obs.addObserver(this, "network:offline-status-changed", false);
this.offlineManager = Components.classes["@mozilla.org/messenger/offline-manager;1"]
.getService(Components.interfaces.nsIMsgOfflineManager);
this.offlineBundle = document.getElementById("bundle_offlinePrompts");
// initialize our offline state UI
this.updateOfflineUI(!this.isOnline());
},
uninit: function()
{
Services.obs.removeObserver(this, "network:offline-status-changed");
},
/**
* @return true if we are online
*/
isOnline: function()
{
return (!Services.io.offline);
},
/**
* Toggles the online / offline state, initiated by the user. Depending on user settings
* we may prompt the user to send unsent messages when going online or to download messages for
* offline use when going offline.
*/
toggleOfflineStatus: function()
{
// the offline manager(goOnline and synchronizeForOffline) actually does the dirty work of
// changing the offline state with the networking service.
if (!this.isOnline())
{
// We do the go online stuff in our listener for the online state change.
Services.io.offline = false;
// resume managing offline status now that we are going back online.
Services.io.manageOfflineStatus = Services.prefs.getBoolPref("offline.autoDetect");
}
else // going offline
{
// Stop automatic management of the offline status since the user has
// decided to go offline.
Services.io.manageOfflineStatus = false;
var prefDownloadMessages = Services.prefs.getIntPref("offline.download.download_messages");
// 0 == Ask, 1 == Always Download, 2 == Never Download
var downloadForOfflineUse = (prefDownloadMessages == 0 && this.confirmDownloadMessagesForOfflineUse())
|| prefDownloadMessages == 1;
this.offlineManager.synchronizeForOffline(downloadForOfflineUse, downloadForOfflineUse, false, true, msgWindow);
}
},
observe: function (aSubject, aTopic, aState)
{
if (aTopic == "network:offline-status-changed")
this.mailOfflineStateChanged(aState == "offline");
},
/**
* @return true if there are unsent messages
*/
haveUnsentMessages: function()
{
return Components.classes["@mozilla.org/messengercompose/sendlater;1"]
.getService(Components.interfaces.nsIMsgSendLater)
.hasUnsentMessages();
},
/**
* open the offline panel in the account manager for the currently loaded
* account.
*/
openOfflineAccountSettings: function()
{
window.parent.MsgAccountManager('am-offline.xul');
},
/**
* Prompt the user about going online to send unsent messages, and then send them
* if appropriate. Puts the app back into online mode.
*
* @param aMsgWindow the msg window to be used when going online
*/
goOnlineToSendMessages: function(aMsgWindow)
{
let goOnlineToSendMsgs = Services.prompt.confirm(window,
this.offlineBundle.getString('sendMessagesOfflineWindowTitle1'),
this.offlineBundle.getString('sendMessagesOfflineLabel1'));
if (goOnlineToSendMsgs)
this.offlineManager.goOnline(true /* send unsent messages*/, false, aMsgWindow);
},
/**
* Prompts the user to confirm sending of unsent messages. This is different from
* goOnlineToSendMessages which involves going online to send unsent messages.
*
* @return true if the user wants to send unsent messages
*/
confirmSendUnsentMessages: function()
{
let alwaysAsk = {value: true};
let sendUnsentMessages = Services.prompt.confirmEx(window,
this.offlineBundle.getString('sendMessagesWindowTitle1'),
this.offlineBundle.getString('sendMessagesLabel2'),
(Services.prompt.BUTTON_TITLE_IS_STRING * Services.prompt.BUTTON_POS_0) +
(Services.prompt.BUTTON_TITLE_IS_STRING * Services.prompt.BUTTON_POS_1),
this.offlineBundle.getString('sendMessagesNow2'),
this.offlineBundle.getString('processMessagesLater2'),
null,
this.offlineBundle.getString('sendMessagesCheckboxLabel1'),
alwaysAsk) == 0;
// if the user changed the ask me setting then update the global pref based on their yes / no answer
if (!alwaysAsk.value)
Services.prefs.setIntPref("offline.send.unsent_messages", sendUnsentMessages ? 1 : 2);
return sendUnsentMessages;
},
/**
* Should we send unsent messages? Based on the value of
* offline.send.unsent_messages, this method may prompt the user.
* @return true if we should send unsent messages
*/
shouldSendUnsentMessages: function()
{
var sendUnsentWhenGoingOnlinePref = Services.prefs.getIntPref("offline.send.unsent_messages");
if(sendUnsentWhenGoingOnlinePref == 2) // never send
return false;
// if we we have unsent messages, then honor the offline.send.unsent_messages pref.
else if (this.haveUnsentMessages())
{
if ((sendUnsentWhenGoingOnlinePref == 0 && this.confirmSendUnsentMessages())
|| sendUnsentWhenGoingOnlinePref == 1)
return true;
}
return false;
},
/**
* Prompts the user to download messages for offline use before going offline.
* May update the value of offline.download.download_messages
*
* @return true if the user wants to download messages for offline use.
*/
confirmDownloadMessagesForOfflineUse: function()
{
let alwaysAsk = {value: true};
let downloadMessages = Services.prompt.confirmEx(window,
this.offlineBundle.getString('downloadMessagesWindowTitle1'),
this.offlineBundle.getString('downloadMessagesLabel1'),
(Services.prompt.BUTTON_TITLE_IS_STRING * Services.prompt.BUTTON_POS_0) +
(Services.prompt.BUTTON_TITLE_IS_STRING * Services.prompt.BUTTON_POS_1),
this.offlineBundle.getString('downloadMessagesNow2'),
this.offlineBundle.getString('processMessagesLater2'),
null,
this.offlineBundle.getString('downloadMessagesCheckboxLabel1'),
alwaysAsk) == 0;
// if the user changed the ask me setting then update the global pref based on their yes / no answer
if (!alwaysAsk.value)
Services.prefs.setIntPref("offline.download.download_messages", downloadMessages ? 1 : 2);
return downloadMessages;
},
/**
* Get New Mail When Offline
* Prompts the user about going online in order to download new messages.
* Based on the response, will move us back to online mode.
*
* @return true if the user confirms going online.
*/
getNewMail: function()
{
let goOnline = Services.prompt.confirm(window,
this.offlineBundle.getString('getMessagesOfflineWindowTitle1'),
this.offlineBundle.getString('getMessagesOfflineLabel1'));
if (goOnline)
this.offlineManager.goOnline(this.shouldSendUnsentMessages(),
false /* playbackOfflineImapOperations */, msgWindow);
return goOnline;
},
/**
* Private helper method to update the state of the Offline menu item
* and the offline status bar indicator
*/
updateOfflineUI: function(aIsOffline)
{
document.getElementById('goOfflineMenuItem').setAttribute("checked", aIsOffline);
document.getElementById('appmenu_goOffline').setAttribute("checked", aIsOffline);
var statusBarPanel = document.getElementById('offline-status');
if (aIsOffline)
{
statusBarPanel.setAttribute("offline", "true");
statusBarPanel.setAttribute("tooltiptext", this.offlineBundle.getString("offlineTooltip"));
}
else
{
statusBarPanel.removeAttribute("offline");
statusBarPanel.setAttribute("tooltiptext", this.offlineBundle.getString("onlineTooltip"));
}
},
/**
* private helper method called whenever we detect a change to the offline state
*/
mailOfflineStateChanged: function (aGoingOffline)
{
this.updateOfflineUI(aGoingOffline);
if (!aGoingOffline)
{
let prefSendUnsentMessages = Services.prefs.getIntPref("offline.send.unsent_messages");
// 0 == Ask, 1 == Always Send, 2 == Never Send
let sendUnsentMessages = (prefSendUnsentMessages == 0 &&
this.haveUnsentMessages() &&
this.confirmSendUnsentMessages()) ||
prefSendUnsentMessages == 1;
this.offlineManager.goOnline(sendUnsentMessages, true, msgWindow);
}
}
};
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