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Bug 707094 - DOMApplicationRegistry (Webapps.jsm): Use FileUtils.jsm for simpler and more robust nsIFile handling [r=philikon]

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This commit is contained in:
Fabrice Desré 2011-12-05 20:22:01 -08:00
parent 1dcdcf88a9
commit 5cd5248eac
1 changed files with 11 additions and 23 deletions
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34
dom/base/Webapps.jsm
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@ -43,6 +43,7 @@ let EXPORTED_SYMBOLS = ["DOMApplicationRegistry", "DOMApplicationManifest"];
Cu.import("resource://gre/modules/XPCOMUtils.jsm");
Cu.import("resource://gre/modules/Services.jsm");
Cu.import("resource://gre/modules/FileUtils.jsm");
XPCOMUtils.defineLazyGetter(this, "NetUtil", function() {
Cu.import("resource://gre/modules/NetUtil.jsm");
@ -50,7 +51,6 @@ XPCOMUtils.defineLazyGetter(this, "NetUtil", function() {
});
let DOMApplicationRegistry = {
appsDir: null,
appsFile: null,
webapps: { },
@ -63,17 +63,12 @@ let DOMApplicationRegistry = {
this.mm.addMessageListener(msgName, this);
}).bind(this));
let file = Cc["@mozilla.org/file/directory_service;1"].getService(Ci.nsIProperties).get("ProfD", Ci.nsIFile);
file.append("webapps");
if (!file.exists() || !file.isDirectory()) {
file.create(Ci.nsIFile.DIRECTORY_TYPE, 0700);
}
this.appsDir = file;
this.appsFile = file.clone();
this.appsFile.append("webapps.json");
let appsDir = FileUtils.getDir("ProfD", ["webapps"], true, true);
this.appsFile = FileUtils.getFile("ProfD", ["webapps", "webapps.json"], true);
if (!this.appsFile.exists())
return;
this._loadJSONAsync(this.appsFile, (function(aData) { this.webapps = aData; }).bind(this));
},
@ -140,8 +135,7 @@ let DOMApplicationRegistry = {
_writeFile: function ss_writeFile(aFile, aData, aCallbak) {
// Initialize the file output stream.
let ostream = Cc["@mozilla.org/network/safe-file-output-stream;1"].createInstance(Ci.nsIFileOutputStream);
ostream.init(aFile, 0x02 | 0x08 | 0x20, 0600, ostream.DEFER_OPEN);
let ostream = FileUtils.openSafeFileOutputStream(aFile);
// Obtain a converter to convert our data to a UTF-8 encoded input stream.
let converter = Cc["@mozilla.org/intl/scriptableunicodeconverter"].createInstance(Ci.nsIScriptableUnicodeConverter);
@ -176,8 +170,7 @@ let DOMApplicationRegistry = {
// install an application again is considered as an update
if (id) {
let dir = this.appsDir.clone();
dir.append(id);
let dir = FileUtils.getDir("ProfD", ["webapps", id], true, true);
try {
dir.remove(true);
} catch(e) {
@ -188,10 +181,8 @@ let DOMApplicationRegistry = {
id = uuidGenerator.generateUUID().toString();
}
let dir = this.appsDir.clone();
dir.append(id);
dir.create(Ci.nsIFile.DIRECTORY_TYPE, 0700);
let dir = FileUtils.getDir("ProfD", ["webapps", id], true, true);
let manFile = dir.clone();
manFile.append("manifest.json");
this._writeFile(manFile, JSON.stringify(app.manifest));
@ -219,9 +210,7 @@ let DOMApplicationRegistry = {
_readManifests: function(aData, aFinalCallback, aIndex) {
let index = aIndex || 0;
let id = aData[index].id;
let file = this.appsDir.clone();
file.append(id);
file.append("manifest.json");
let file = FileUtils.getFile("ProfD", ["webapps", id, "manifest.json"], true);
this._loadJSONAsync(file, (function(aJSON) {
aData[index].manifest = aJSON;
if (index == aData.length - 1)
@ -237,8 +226,7 @@ let DOMApplicationRegistry = {
if (app.origin == aData.origin) {
delete this.webapps[id];
this._writeFile(this.appsFile, JSON.stringify(this.webapps));
let dir = this.appsDir.clone();
dir.append(id);
let dir = FileUtils.getDir("ProfD", ["webapps", id], true, true);
try {
dir.remove(true);
} catch (e) {