gecko/services/sync/modules/engines/apps.js
2012-05-21 12:12:37 +01:00

137 lines
3.6 KiB
JavaScript

/* 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/. */
"use strict";
const EXPORTED_SYMBOLS = ['AppsEngine', 'AppRec'];
const {classes: Cc, interfaces: Ci, utils: Cu, results: Cr} = Components;
Cu.import("resource://services-sync/util.js");
Cu.import("resource://services-sync/record.js");
Cu.import("resource://services-sync/engines.js");
Cu.import("resource://services-sync/constants.js");
Cu.import("resource://gre/modules/XPCOMUtils.jsm");
Cu.import("resource://gre/modules/Webapps.jsm");
function AppRec(collection, id) {
CryptoWrapper.call(this, collection, id);
}
AppRec.prototype = {
__proto__: CryptoWrapper.prototype,
_logName: "Sync.Record.App"
}
Utils.deferGetSet(AppRec, "cleartext", ["value"]);
function AppStore(name) {
Store.call(this, name);
}
AppStore.prototype = {
__proto__: Store.prototype,
getAllIDs: function getAllIDs() {
let apps = DOMApplicationRegistry.getAllIDs();
return apps;
},
changeItemID: function changeItemID(oldID, newID) {
this._log.trace("AppsStore does not support changeItemID");
},
itemExists: function itemExists(guid) {
return DOMApplicationRegistry.itemExists(guid);
},
createRecord: function createRecord(guid, collection) {
let record = new AppRec(collection, guid);
let app = DOMApplicationRegistry.getAppById(guid);
if (app) {
app.syncId = guid;
let callback = Async.makeSyncCallback();
DOMApplicationRegistry.getManifestFor(app.origin, function(aManifest) {
app.manifest = aManifest;
callback();
});
Async.waitForSyncCallback(callback);
record.value = app;
} else {
record.deleted = true;
}
return record;
},
applyIncomingBatch: function applyIncomingBatch(aRecords) {
let callback = Async.makeSyncCallback();
DOMApplicationRegistry.updateApps(aRecords, callback);
Async.waitForSyncCallback(callback);
return [];
},
wipe: function wipe(record) {
let callback = Async.makeSyncCallback();
DOMApplicationRegistry.wipe(callback);
Async.waitForSyncCallback(callback);
}
}
function AppTracker(name) {
Tracker.call(this, name);
Svc.Obs.add("weave:engine:start-tracking", this);
Svc.Obs.add("weave:engine:stop-tracking", this);
}
AppTracker.prototype = {
__proto__: Tracker.prototype,
QueryInterface: XPCOMUtils.generateQI([Ci.nsIObserver]),
_enabled: false,
observe: function(aSubject, aTopic, aData) {
switch (aTopic) {
case "webapps-sync-install":
case "webapps-sync-uninstall":
// ask for immediate sync. not sure if we really need this or
// if a lower score increment would be enough
let app;
this.score += SCORE_INCREMENT_XLARGE;
try {
app = JSON.parse(aData);
} catch (e) {
this._log.error("JSON.parse failed in observer " + e);
return;
}
this.addChangedID(app.id);
break;
case "weave:engine:start-tracking":
this._enabled = true;
Svc.Obs.add("webapps-sync-install", this);
Svc.Obs.add("webapps-sync-uninstall", this);
break;
case "weave:engine:stop-tracking":
this._enabled = false;
Svc.Obs.remove("webapps-sync-install", this);
Svc.Obs.remove("webapps-sync-uninstall", this);
break;
}
}
}
function AppsEngine() {
SyncEngine.call(this, "Apps");
}
AppsEngine.prototype = {
__proto__: SyncEngine.prototype,
_storeObj: AppStore,
_trackerObj: AppTracker,
_recordObj: AppRec,
applyIncomingBatchSize: APPS_STORE_BATCH_SIZE
}