1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
|
/* 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/. */
this.EXPORTED_SYMBOLS = ['FormEngine', 'FormRec'];
const Cc = Components.classes;
const Ci = Components.interfaces;
const Cu = Components.utils;
Cu.import("resource://gre/modules/XPCOMUtils.jsm");
Cu.import("resource://services-sync/engines.js");
Cu.import("resource://services-sync/record.js");
Cu.import("resource://services-common/async.js");
Cu.import("resource://services-sync/util.js");
Cu.import("resource://services-sync/constants.js");
Cu.import("resource://gre/modules/Log.jsm");
const FORMS_TTL = 5184000; // 60 days
this.FormRec = function FormRec(collection, id) {
CryptoWrapper.call(this, collection, id);
}
FormRec.prototype = {
__proto__: CryptoWrapper.prototype,
_logName: "Sync.Record.Form",
ttl: FORMS_TTL
};
Utils.deferGetSet(FormRec, "cleartext", ["name", "value"]);
let FormWrapper = {
_log: Log.repository.getLogger("Sync.Engine.Forms"),
_getEntryCols: ["fieldname", "value"],
_guidCols: ["guid"],
// Do a "sync" search by spinning the event loop until it completes.
_searchSpinningly: function(terms, searchData) {
let results = [];
let cb = Async.makeSpinningCallback();
let callbacks = {
handleResult: function(result) {
results.push(result);
},
handleCompletion: function(reason) {
cb(null, results);
}
};
Svc.FormHistory.search(terms, searchData, callbacks);
return cb.wait();
},
_updateSpinningly: function(changes) {
if (!Svc.FormHistory.enabled) {
return; // update isn't going to do anything.
}
let cb = Async.makeSpinningCallback();
let callbacks = {
handleCompletion: function(reason) {
cb();
}
};
Svc.FormHistory.update(changes, callbacks);
return cb.wait();
},
getEntry: function (guid) {
let results = this._searchSpinningly(this._getEntryCols, {guid: guid});
if (!results.length) {
return null;
}
return {name: results[0].fieldname, value: results[0].value};
},
getGUID: function (name, value) {
// Query for the provided entry.
let query = { fieldname: name, value: value };
let results = this._searchSpinningly(this._guidCols, query);
return results.length ? results[0].guid : null;
},
hasGUID: function (guid) {
// We could probably use a count function here, but searchSpinningly exists...
return this._searchSpinningly(this._guidCols, {guid: guid}).length != 0;
},
replaceGUID: function (oldGUID, newGUID) {
let changes = {
op: "update",
guid: oldGUID,
newGuid: newGUID,
}
this._updateSpinningly(changes);
}
};
this.FormEngine = function FormEngine(service) {
SyncEngine.call(this, "Forms", service);
}
FormEngine.prototype = {
__proto__: SyncEngine.prototype,
_storeObj: FormStore,
_trackerObj: FormTracker,
_recordObj: FormRec,
applyIncomingBatchSize: FORMS_STORE_BATCH_SIZE,
syncPriority: 6,
get prefName() "history",
_findDupe: function _findDupe(item) {
return FormWrapper.getGUID(item.name, item.value);
}
};
function FormStore(name, engine) {
Store.call(this, name, engine);
}
FormStore.prototype = {
__proto__: Store.prototype,
_processChange: function (change) {
// If this._changes is defined, then we are applying a batch, so we
// can defer it.
if (this._changes) {
this._changes.push(change);
return;
}
// Otherwise we must handle the change synchronously, right now.
FormWrapper._updateSpinningly(change);
},
applyIncomingBatch: function (records) {
// We collect all the changes to be made then apply them all at once.
this._changes = [];
let failures = Store.prototype.applyIncomingBatch.call(this, records);
if (this._changes.length) {
FormWrapper._updateSpinningly(this._changes);
}
delete this._changes;
return failures;
},
getAllIDs: function () {
let results = FormWrapper._searchSpinningly(["guid"], [])
let guids = {};
for (let result of results) {
guids[result.guid] = true;
}
return guids;
},
changeItemID: function (oldID, newID) {
FormWrapper.replaceGUID(oldID, newID);
},
itemExists: function (id) {
return FormWrapper.hasGUID(id);
},
createRecord: function (id, collection) {
let record = new FormRec(collection, id);
let entry = FormWrapper.getEntry(id);
if (entry != null) {
record.name = entry.name;
record.value = entry.value;
} else {
record.deleted = true;
}
return record;
},
create: function (record) {
this._log.trace("Adding form record for " + record.name);
let change = {
op: "add",
fieldname: record.name,
value: record.value
};
this._processChange(change);
},
remove: function (record) {
this._log.trace("Removing form record: " + record.id);
let change = {
op: "remove",
guid: record.id
};
this._processChange(change);
},
update: function (record) {
this._log.trace("Ignoring form record update request!");
},
wipe: function () {
let change = {
op: "remove"
};
FormWrapper._updateSpinningly(change);
}
};
function FormTracker(name, engine) {
Tracker.call(this, name, engine);
}
FormTracker.prototype = {
__proto__: Tracker.prototype,
QueryInterface: XPCOMUtils.generateQI([
Ci.nsIObserver,
Ci.nsISupportsWeakReference]),
startTracking: function() {
Svc.Obs.add("satchel-storage-changed", this);
},
stopTracking: function() {
Svc.Obs.remove("satchel-storage-changed", this);
},
observe: function (subject, topic, data) {
Tracker.prototype.observe.call(this, subject, topic, data);
switch (topic) {
case "satchel-storage-changed":
if (data == "formhistory-add" || data == "formhistory-remove") {
let guid = subject.QueryInterface(Ci.nsISupportsString).toString();
this.trackEntry(guid);
}
break;
}
},
trackEntry: function (guid) {
this.addChangedID(guid);
this.score += SCORE_INCREMENT_MEDIUM;
},
};
|
