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Bug 897221 - Schedule in main process and notify content processes of updates for B2G; r=fabrice

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This commit is contained in:
Jim Chen 2013-09-09 15:47:47 -04:00
parent 61597cacd1
commit 984c566d50
1 changed files with 32 additions and 5 deletions
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37
netwerk/protocol/http/UserAgentUpdates.jsm
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@ -46,8 +46,9 @@ const PREF_UPDATES_URL = PREF_UPDATES + "url";
const PREF_UPDATES_INTERVAL = PREF_UPDATES + "interval";
const PREF_UPDATES_RETRY = PREF_UPDATES + "retry";
const PREF_UPDATES_TIMEOUT = PREF_UPDATES + "timeout";
const PREF_UPDATES_LASTUPDATED = PREF_UPDATES + "lastupdated";
const KEY_PROFILEDIR = "ProfD";
const KEY_PREFDIR = "PrefD";
const KEY_APPDIR = "XCurProcD";
const FILE_UPDATES = "ua-update.json";
@ -64,6 +65,7 @@ this.UserAgentUpdates = {
gInitialized = true;
this._callback = callback;
this._lastUpdated = 0;
this._applySavedUpdate();
Services.prefs.addObserver(PREF_UPDATES, this, false);
@ -88,7 +90,7 @@ this.UserAgentUpdates = {
return;
}
// try loading from profile dir, then from app dir
let dirs = [KEY_PROFILEDIR, KEY_APPDIR];
let dirs = [KEY_PREFDIR, KEY_APPDIR];
dirs.reduce((prevLoad, dir) => {
let file = FileUtils.getFile(dir, [FILE_UPDATES], true).path;
// tryNext returns promise to read file under dir and parse it
@ -105,10 +107,23 @@ this.UserAgentUpdates = {
},
_saveToFile: function(update) {
let file = OS.Path.join(OS.Constants.Path.profileDir, FILE_UPDATES);
let file = FileUtils.getFile(KEY_PREFDIR, [FILE_UPDATES], true);
let path = file.path;
let bytes = gEncoder.encode(JSON.stringify(update));
OS.File.writeAtomic(file, bytes, {tmpPath: file + ".tmp"}).then(
null, Cu.reportError
OS.File.writeAtomic(path, bytes, {tmpPath: path + ".tmp"}).then(
() => {
if (gApp.widgetToolkit === 'gonk') {
// B2G content processes run under different users;
// so we need to separately set more open permissions
file.permissions = OS.Constants.libc.S_IRUSR |
OS.Constants.libc.S_IWUSR | OS.Constants.libc.S_IRGRP |
OS.Constants.libc.S_IROTH;
}
this._lastUpdated = Date.now();
Services.prefs.setCharPref(
PREF_UPDATES_LASTUPDATED, this._lastUpdated.toString());
},
Cu.reportError
);
},
@ -175,6 +190,10 @@ this.UserAgentUpdates = {
},
_scheduleUpdate: function(retry) {
// only schedule updates in the main process
if (gApp.processType !== Ci.nsIXULRuntime.PROCESS_TYPE_DEFAULT) {
return;
}
let interval = this._getPref(PREF_UPDATES_INTERVAL, 604800 /* 1 week */);
if (retry) {
interval = this._getPref(PREF_UPDATES_RETRY, interval);
@ -196,6 +215,14 @@ this.UserAgentUpdates = {
this._applySavedUpdate();
} else if (data === PREF_UPDATES_INTERVAL) {
this._scheduleUpdate();
} else if (data === PREF_UPDATES_LASTUPDATED) {
// reload from file if there has been an update
let lastUpdated = parseInt(
this._getPref(PREF_UPDATES_LASTUPDATED, "0"), 0);
if (lastUpdated > this._lastUpdated) {
this._applySavedUpdate();
this._lastUpdated = lastUpdated;
}
}
break;
}