gecko/toolkit/mozapps/webapps/OpenWebapps.jsm

260 lines
8.7 KiB
JavaScript

/* ***** BEGIN LICENSE BLOCK *****
* Version: MPL 1.1/GPL 2.0/LGPL 2.1
*
* The contents of this file are subject to the Mozilla Public License Version
* 1.1 (the "License"); you may not use this file except in compliance with
* the License. You may obtain a copy of the License at
* http://www.mozilla.org/MPL/
*
* Software distributed under the License is distributed on an "AS IS" basis,
* WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
* for the specific language governing rights and limitations under the
* License.
*
* The Original Code is Mozilla Mobile Browser.
*
* The Initial Developer of the Original Code is Mozilla Foundation.
* Portions created by the Initial Developer are Copyright (C) 2011
* the Initial Developer. All Rights Reserved.
*
* Contributor(s):
* Fabrice Desré <fabrice@mozilla.com>
* Mark Finkle <mfinkle@mozilla.com>
*
* Alternatively, the contents of this file may be used under the terms of
* either the GNU General Public License Version 2 or later (the "GPL"), or
* the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
* in which case the provisions of the GPL or the LGPL are applicable instead
* of those above. If you wish to allow use of your version of this file only
* under the terms of either the GPL or the LGPL, and not to allow others to
* use your version of this file under the terms of the MPL, indicate your
* decision by deleting the provisions above and replace them with the notice
* and other provisions required by the GPL or the LGPL. If you do not delete
* the provisions above, a recipient may use your version of this file under
* the terms of any one of the MPL, the GPL or the LGPL.
*
* ***** END LICENSE BLOCK ***** */
const Cu = Components.utils;
const Cc = Components.classes;
const Ci = Components.interfaces;
let EXPORTED_SYMBOLS = ["OpenWebapps"];
Cu.import("resource://gre/modules/XPCOMUtils.jsm");
Cu.import("resource://gre/modules/Services.jsm");
XPCOMUtils.defineLazyGetter(this, "NetUtil", function() {
Cu.import("resource://gre/modules/NetUtil.jsm");
return NetUtil;
});
let OpenWebapps = {
appsDir: null,
appsFile: null,
webapps: { },
init: function() {
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");
if (!this.appsFile.exists())
return;
try {
let channel = NetUtil.newChannel(this.appsFile);
channel.contentType = "application/json";
let self = this;
NetUtil.asyncFetch(channel, function(aStream, aResult) {
if (!Components.isSuccessCode(aResult)) {
Cu.reportError("OpenWebappsSupport: Could not read from json file " + this.appsFile.path);
return;
}
// Read json file into a string
let data = null;
try {
self.webapps = JSON.parse(NetUtil.readInputStreamToString(aStream, aStream.available()) || "");
aStream.close();
} catch (ex) {
Cu.reportError("OpenWebsappsStore: Could not parse JSON: " + ex);
}
});
} catch (ex) {
Cu.reportError("OpenWebappsSupport: Could not read from " + aFile.path + " : " + ex);
}
},
_writeFile: function ss_writeFile(aFile, aData) {
// 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);
// Obtain a converter to convert our data to a UTF-8 encoded input stream.
let converter = Cc["@mozilla.org/intl/scriptableunicodeconverter"].createInstance(Ci.nsIScriptableUnicodeConverter);
converter.charset = "UTF-8";
// Asynchronously copy the data to the file.
let istream = converter.convertToInputStream(aData);
NetUtil.asyncCopy(istream, ostream, function(rc) {
// nothing to do
});
},
install: function(aApplication) {
let id = this._appId(aApplication.appURI);
// install an application again is considered as an update
if (id) {
let dir = this.appsDir.clone();
dir.append(id);
try {
dir.remove(true);
} catch(e) {
}
}
else {
let uuidGenerator = Cc["@mozilla.org/uuid-generator;1"].getService(Ci.nsIUUIDGenerator);
id = uuidGenerator.generateUUID().toString();
}
let dir = this.appsDir.clone();
dir.append(id);
dir.create(Ci.nsIFile.DIRECTORY_TYPE, 0700);
let manFile = dir.clone();
manFile.append("manifest.json");
this._writeFile(manFile, JSON.stringify(aApplication.manifest));
this.webapps[id] = {
title: aApplication.title,
storeURI: aApplication.storeURI,
appURI: aApplication.appURI,
installData: aApplication.installData,
installTime: (new Date()).getTime()
};
this._writeFile(this.appsFile, JSON.stringify(this.webapps));
// now save the icon as icon.png in the app directory
let iconFile = dir.clone();
iconFile.append("icon.png");
let uri = Services.io.newURI(aApplication.iconURI, null, null);
let persist = Cc["@mozilla.org/embedding/browser/nsWebBrowserPersist;1"].createInstance(Ci.nsIWebBrowserPersist);
persist.persistFlags = persist.PERSIST_FLAGS_REPLACE_EXISTING_FILES | persist.PERSIST_FLAGS_BYPASS_CACHE;
persist.saveURI(uri, null, null, null, "", iconFile);
},
_appId: function(aURI) {
for (let id in this.webapps) {
if (this.webapps[id].appURI == aURI)
return id;
}
return null;
},
_readManifest: function(aId) {
let file = this.appsDir.clone();
file.append(aId);
file.append("manifest.json");
let data = "";
let fstream = Cc["@mozilla.org/network/file-input-stream;1"].createInstance(Ci.nsIFileInputStream);
var cstream = Cc["@mozilla.org/intl/converter-input-stream;1"].createInstance(Ci.nsIConverterInputStream);
fstream.init(file, -1, 0, 0);
cstream.init(fstream, "UTF-8", 0, 0);
let (str = {}) {
let read = 0;
do {
read = cstream.readString(0xffffffff, str); // read as much as we can and put it in str.value
data += str.value;
} while (read != 0);
}
cstream.close(); // this closes fstream
try {
return JSON.parse(data);
} catch(e) {
return null;
}
},
amInstalled: function(aURI) {
for (let id in this.webapps) {
let app = this.webapps[id];
if (app.appURI == aURI) {
return { origin: app.appURI,
install_origin: app.storeURI,
install_data: app.installData,
install_time: app.installTime,
manifest: this._readManifest(id) };
}
}
return null;
},
getInstalledBy: function(aStoreURI) {
let res = [];
for (let id in this.webapps) {
let app = this.webapps[id];
if (app.storeURI == aStoreURI)
res.push({ origin: app.appURI,
install_origin: app.storeURI,
install_data: app.installData,
install_time: app.installTime,
manifest: this._readManifest(id) });
}
return res;
},
mgmtList: function() {
let res = new Array();
for (let id in this.webapps) {
let app = this.webapps[id];
res.push({ origin: app.appURI,
install_origin: app.storeURI,
install_data: app.installData,
install_time: app.installTime,
manifest: this._readManifest(id) });
}
return res;
},
mgmtLaunch: function(aOrigin) {
for (let id in this.webapps) {
let app = this.webapps[id];
app.manifest = this._readManifest(id);
if (app.appURI == aOrigin) {
let browserWin = Services.wm.getMostRecentWindow("navigator:browser");
let uri = Services.io.newURI(aOrigin + (app.manifest.launch_path ? app.manifest.launch_path : ""), null, null);
browserWin.browserDOMWindow.openURI(uri, null, browserWin.OPEN_APPTAB, Ci.nsIBrowserDOMWindow.OPEN_NEW);
return true;
}
}
return false;
},
mgmtUninstall: function(aOrigin) {
for (let id in this.webapps) {
let app = this.webapps[id];
if (app.appURI == aOrigin) {
delete this.webapps[id];
this._writeFile(this.appsFile, JSON.stringify(this.webapps));
let dir = this.appsDir.clone();
dir.append(id);
try {
dir.remove(true);
} catch (e) {
}
return true;
}
}
return false;
}
};
OpenWebapps.init();