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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/. */
/* globals msgWindow */ // From mailWindow.js
var MailOfflineMgr = {
offlineManager: null,
offlineBundle: null,
init() {
Services.obs.addObserver(this, "network:offline-status-changed");
this.offlineManager = Cc[
"@mozilla.org/messenger/offline-manager;1"
].getService(Ci.nsIMsgOfflineManager);
this.offlineBundle = Services.strings.createBundle(
"chrome://messenger/locale/offline.properties"
);
// initialize our offline state UI
this.updateOfflineUI(!this.isOnline());
},
uninit() {
Services.obs.removeObserver(this, "network:offline-status-changed");
},
/**
* @returns true if we are online
*/
isOnline() {
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() {
// 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(aSubject, aTopic, aState) {
if (aTopic == "network:offline-status-changed") {
this.mailOfflineStateChanged(aState == "offline");
}
},
/**
* @returns true if there are unsent messages
*/
haveUnsentMessages() {
return Cc["@mozilla.org/messengercompose/sendlater;1"]
.getService(Ci.nsIMsgSendLater)
.hasUnsentMessages();
},
/**
* open the offline panel in the account manager for the currently loaded
* account.
*/
openOfflineAccountSettings() {
window.parent.MsgAccountManager("am-offline.xhtml");
},
/**
* 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(aMsgWindow) {
let goOnlineToSendMsgs = Services.prompt.confirm(
window,
this.offlineBundle.GetStringFromName("sendMessagesOfflineWindowTitle1"),
this.offlineBundle.GetStringFromName("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.
*
* @returns true if the user wants to send unsent messages
*/
confirmSendUnsentMessages() {
let alwaysAsk = { value: true };
let sendUnsentMessages =
Services.prompt.confirmEx(
window,
this.offlineBundle.GetStringFromName("sendMessagesWindowTitle1"),
this.offlineBundle.GetStringFromName("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.GetStringFromName("sendMessagesNow2"),
this.offlineBundle.GetStringFromName("processMessagesLater2"),
null,
this.offlineBundle.GetStringFromName("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.
*
* @returns true if we should send unsent messages
*/
shouldSendUnsentMessages() {
var sendUnsentWhenGoingOnlinePref = Services.prefs.getIntPref(
"offline.send.unsent_messages"
);
if (sendUnsentWhenGoingOnlinePref == 2) {
// never send
return false;
} else if (this.haveUnsentMessages()) {
// if we we have unsent messages, then honor the offline.send.unsent_messages pref.
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
*
* @returns true if the user wants to download messages for offline use.
*/
confirmDownloadMessagesForOfflineUse() {
let alwaysAsk = { value: true };
let downloadMessages =
Services.prompt.confirmEx(
window,
this.offlineBundle.GetStringFromName("downloadMessagesWindowTitle1"),
this.offlineBundle.GetStringFromName("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.GetStringFromName("downloadMessagesNow2"),
this.offlineBundle.GetStringFromName("processMessagesLater2"),
null,
this.offlineBundle.GetStringFromName("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.
*
* @returns true if the user confirms going online.
*/
getNewMail() {
let goOnline = Services.prompt.confirm(
window,
this.offlineBundle.GetStringFromName("getMessagesOfflineWindowTitle1"),
this.offlineBundle.GetStringFromName("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(aIsOffline) {
document
.getElementById("goOfflineMenuItem")
.setAttribute("checked", aIsOffline);
var statusBarPanel = document.getElementById("offline-status");
if (aIsOffline) {
statusBarPanel.setAttribute("offline", "true");
statusBarPanel.setAttribute(
"tooltiptext",
this.offlineBundle.GetStringFromName("offlineTooltip")
);
} else {
statusBarPanel.removeAttribute("offline");
statusBarPanel.setAttribute(
"tooltiptext",
this.offlineBundle.GetStringFromName("onlineTooltip")
);
}
},
/**
* private helper method called whenever we detect a change to the offline state
*/
mailOfflineStateChanged(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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