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if (!org.bustany.TrackerBird.MailStore || !org.bustany.TrackerBird.MailStore.__initialized) {
Components.utils.import("resource:///modules/MailUtils.js");
org.bustany.TrackerBird.ContentRetriever = function(header, callback) {
this._header = header;
this._callback = callback;
this._contents = "";
}
org.bustany.TrackerBird.ContentRetriever.prototype = {
onStartRequest: function(request, ctx) {
},
onDataAvailable: function(request, context, inputStream, offset, count) {
var scriptableInputStream =
Components.classes["@mozilla.org/scriptableinputstream;1"].
createInstance(Components.interfaces.nsIScriptableInputStream);
scriptableInputStream.init(inputStream);
var data = scriptableInputStream.read(count);
this._contents += data;
},
onStopRequest: function(request, ctx, status) {
// Basic html removing
this._contents = this._contents.replace(/<[^>]+?>/g, "");
this._callback(this._header, this._contents);
},
QueryInterface: function (aIID) {
if (aIID.equals(Components.interfaces.nsIStreamListener) ||
aIID.equals(Components.interfaces.nsISupports)) {
return this;
}
throw Components.results.NS_NOINTERFACE;
}
}
org.bustany.TrackerBird.MailStore = {
// Init barrier
__initialized: true,
__console: Components.classes["@mozilla.org/consoleservice;1"].getService(Components.interfaces.nsIConsoleService),
_log: function(msg) {
this.__console.logStringMessage(msg);
},
_trackerStore: org.bustany.TrackerBird.TrackerStore,
_persistentStore: org.bustany.TrackerBird.PersistentStore,
_folderListener: {
OnItemAdded: function(parentItem, item) {
dump("Trackerbird: new item to be tracked\n");
var store = org.bustany.TrackerBird.MailStore;
var hdr = item.QueryInterface(Components.interfaces.nsIMsgDBHdr);
store._queue.addImmediate({
callback: store._indexMessageCallback,
data: hdr
});
},
OnItemRemoved: function(parentItem, item) {
dump("Trackerbird: item to be untracked\n");
var store = org.bustany.TrackerBird.MailStore;
var hdr = item.QueryInterface(Components.interfaces.nsIMsgDBHdr);
store._queue.addImmediate({
callback: store._removeMessageCallback,
data: hdr
});
},
OnItemPropertyChanged: function(item, property, oldValue, newValue) {
},
OnItemIntPropertyChanged: function(item, property, oldValue, newValue) {
},
OnItemBoolPropertyChanged: function(item, property, oldValue, newValue) {
},
OnItemUnicharPropertyChanged: function(item, property, oldValue, newValue) {
},
OnItemPropertyFlagChanged: function(header, property, oldValue, newValue) {
},
OnItemEvent: function(folder, event) {
}
},
_queue: null,
_walkFolderCallback: null,
_indexMessageCallback: null,
_indexMessageContentsCallback: null,
_removeMessageCallback: null,
_prefs: null,
init: function() {
dump ("Trackerbird initializing mailstore...\n")
// To get notifications
var mailSession = Components.classes["@mozilla.org/messenger/services/session;1"].
getService(Components.interfaces.nsIMsgMailSession);
mailSession.AddFolderListener(this._folderListener,
Components.interfaces.nsIFolderListener.all);
this._prefs = Components.classes["@mozilla.org/preferences-service;1"]
.getService(Components.interfaces.nsIPrefService).getBranch("extensions.trackerbird.");
var store = this;
this._queue = new org.bustany.TrackerBird.Queue(this._prefs.getIntPref("indexDelay")),
this._walkFolderCallback = function(item) { store.walkFolder(item); }
this._indexMessageCallback = function(msg) { store.indexMessage(msg); }
this._indexMessageContentsCallback = function(msg, contents) {
store.indexMessageContents(msg, contents);
}
this._removeMessageCallback = function(msg) { store.removeMessage(msg); }
MailUtils.discoverFolders();
dump ("Trackerbird mailstore initialized...\n")
this._log("trackerbird: mailstore initialized");
return true;
},
listAllFolders: function() {
var store = this;
var servers = MailServices.accounts.allServers;
for (var i = 0; i < servers.length; i++) {
var s = servers.queryElementAt(i, Components.interfaces.nsIMsgIncomingServer);
var folders = Components.classes["@mozilla.org/array;1"].
createInstance(Components.interfaces.nsIMutableArray);
s.rootFolder.ListDescendants(folders);
for (var j = 0; j < folders.length; j++) {
var folder = folders.queryElementAt(j, Components.interfaces.nsIMsgFolder);
this._queue.add({
callback: store._walkFolderCallback,
data: folder
});
}
}
this._queue.add({
callback: function() {
dump("Trackerbird walked all folders\n");
store._log("trackerbird: walked all folders");
},
data: null
})
},
walkFolder: function(folder) {
dump("Walking folder " + folder.prettiestName + "\n");
var db = folder.msgDatabase;
var enumerator = db.EnumerateMessages();
var knownUris = this._persistentStore.getUrisForFolder(folder);
var uriCache = {};
for (var i in knownUris) {
uriCache[knownUris[i]] = true;
}
knownUris = null;
while (enumerator.hasMoreElements()) {
var hdr = enumerator.getNext().QueryInterface(Components.interfaces.nsIMsgDBHdr);
if (uriCache[folder.getUriForMsg(hdr)]) {
continue;
}
this._queue.add({
callback: this._indexMessageCallback,
data: hdr
});
}
// Close database
db = null;
},
/**
* This method indexes a new message. In order to do this, it has to retrieve its contents
* first. The contents is only available as a stream that has to be read first.
* When the contents has been read, indexMessageContents is called and the actual
* indexing happens.
*/
indexMessage: function(header) {
var folder = header.folder;
var messenger = Components.classes["@mozilla.org/messenger;1"].
createInstance(Components.interfaces.nsIMessenger);
var uri = folder.getUriForMsg(header);
var msgService = messenger.messageServiceFromURI(uri);
// Streaming data into a nsScriptableInputStream and then reading from it here
// makes thunderbird hang sometimes, so continue asynchronously.
try {
var msgStream = new org.bustany.TrackerBird.ContentRetriever(header, this._indexMessageContentsCallback);
msgService.streamMessage(uri, msgStream, null, null, true, null);
} catch (ex) {
dump("Trackerbird could not get contents of message " + ex + "\n");
}
},
/**
* Index the message by inserting it into our local store of indexed messages and
* into the tracker store.
*/
indexMessageContents: function(msg, contents) {
try {
if (this._trackerStore.storeMessage(msg, contents)) {
this._persistentStore.rememberMessage(msg);
}
} catch (ex) {
dump("Trackerbird failed to index message: " + ex + "\n");
this._log("Trackerbird failed to index message: " + ex);
}
},
removeMessage: function(msg) {
this._trackerStore.deleteMessage(msg);
this._persistentStore.forgetMessage(msg);
},
shutdown: function() {
dump ("Trackerbird mailstore store shutting down...\n")
var mailSession = Components.classes["@mozilla.org/messenger/services/session;1"].
getService(Components.interfaces.nsIMsgMailSession);
mailSession.Remove(this._folderListener);
dump ("Trackerbird mailstore store shut down\n")
}
}
}
|
