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
|
/* 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/. */
const DEBUG = false;
function debug(s) {
dump("-*- NotificationStorage.js: " + s + "\n");
}
const kMessageNotificationGetAllOk = "Notification:GetAll:Return:OK";
const kMessageNotificationGetAllKo = "Notification:GetAll:Return:KO";
const kMessageNotificationSaveKo = "Notification:Save:Return:KO";
const kMessageNotificationDeleteKo = "Notification:Delete:Return:KO";
const kMessages = [
kMessageNotificationGetAllOk,
kMessageNotificationGetAllKo,
kMessageNotificationSaveKo,
kMessageNotificationDeleteKo,
];
export function NotificationStorage() {
this._requests = {};
this._requestCount = 0;
Services.obs.addObserver(this, "xpcom-shutdown");
// Register for message listeners.
this.registerListeners();
}
NotificationStorage.prototype = {
registerListeners() {
for (let message of kMessages) {
Services.cpmm.addMessageListener(message, this);
}
},
unregisterListeners() {
for (let message of kMessages) {
Services.cpmm.removeMessageListener(message, this);
}
},
observe(aSubject, aTopic) {
if (DEBUG) {
debug("Topic: " + aTopic);
}
if (aTopic === "xpcom-shutdown") {
Services.obs.removeObserver(this, "xpcom-shutdown");
this.unregisterListeners();
}
},
put(
origin,
id,
title,
dir,
lang,
body,
tag,
icon,
alertName,
data,
behavior,
serviceWorkerRegistrationScope
) {
if (DEBUG) {
debug("PUT: " + origin + " " + id + ": " + title);
}
var notification = {
id,
title,
dir,
lang,
body,
tag,
icon,
alertName,
timestamp: new Date().getTime(),
origin,
data,
mozbehavior: behavior,
serviceWorkerRegistrationScope,
};
Services.cpmm.sendAsyncMessage("Notification:Save", {
origin,
notification,
});
},
get(origin, tag, callback) {
if (DEBUG) {
debug("GET: " + origin + " " + tag);
}
this._fetchFromDB(origin, tag, callback);
},
delete(origin, id) {
if (DEBUG) {
debug("DELETE: " + id);
}
Services.cpmm.sendAsyncMessage("Notification:Delete", {
origin,
id,
});
},
receiveMessage(message) {
var request = this._requests[message.data.requestID];
switch (message.name) {
case kMessageNotificationGetAllOk:
delete this._requests[message.data.requestID];
this._returnNotifications(
message.data.notifications,
request.origin,
request.tag,
request.callback
);
break;
case kMessageNotificationGetAllKo:
delete this._requests[message.data.requestID];
try {
request.callback.done();
} catch (e) {
debug("Error calling callback done: " + e);
}
break;
case kMessageNotificationSaveKo:
case kMessageNotificationDeleteKo:
if (DEBUG) {
debug(
"Error received when treating: '" +
message.name +
"': " +
message.data.errorMsg
);
}
break;
default:
if (DEBUG) {
debug("Unrecognized message: " + message.name);
}
break;
}
},
_fetchFromDB(origin, tag, callback) {
var request = {
origin,
tag,
callback,
};
var requestID = this._requestCount++;
this._requests[requestID] = request;
Services.cpmm.sendAsyncMessage("Notification:GetAll", {
origin,
tag,
requestID,
});
},
_returnNotifications(notifications, origin, tag, callback) {
// Pass each notification back separately.
// The callback is called asynchronously to match the behaviour when
// fetching from the database.
notifications.forEach(function (notification) {
try {
Services.tm.dispatchToMainThread(
callback.handle.bind(
callback,
notification.id,
notification.title,
notification.dir,
notification.lang,
notification.body,
notification.tag,
notification.icon,
notification.data,
notification.mozbehavior,
notification.serviceWorkerRegistrationScope
)
);
} catch (e) {
if (DEBUG) {
debug("Error calling callback handle: " + e);
}
}
});
try {
Services.tm.dispatchToMainThread(callback.done);
} catch (e) {
if (DEBUG) {
debug("Error calling callback done: " + e);
}
}
},
QueryInterface: ChromeUtils.generateQI(["nsINotificationStorage"]),
};
|
