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Bug 731541. Implement webapp installer for Windows. r=bbondy a=blassey
This commit is contained in:
Felipe Gomes
parent
1ad47dc14d
commit
f1da6b0f22
@ -22,7 +22,9 @@ let WebappsInstaller = {
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*/
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install: function(aData) {
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#ifdef XP_MACOSX
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#ifdef XP_WIN
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let shell = new WinNativeApp(aData);
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#elifdef XP_MACOSX
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let shell = new MacNativeApp(aData);
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#else
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return false;
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@ -102,7 +104,333 @@ function NativeApp(aData) {
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this.profileFolder = Services.dirsvc.get("ProfD", Ci.nsIFile);
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}
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#ifdef XP_MACOSX
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#ifdef XP_WIN
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/*************************************
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* Windows app installer
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*
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* The Windows installation process will generate the following files:
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*
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* ${FolderName} = app-origin;protocol;port
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* e.g.: subdomain.example.com;http;-1
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*
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* %APPDATA%/${FolderName}
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* - webapp.ini
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* - webapp.json
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* - ${AppName}.exe
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* - ${AppName}.lnk
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* / uninstall
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* - webapp-uninstaller.exe
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* - shortcut_logs.ini
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* / chrome/icons/default/
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* - topwindow.ico
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*
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* After the app runs for the first time, a profiles/ folder will also be
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* created which will host the user profile for this app.
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*/
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/**
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* Constructor for the Windows native app shell
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*
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* @param aData the data object provided by the web app with
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* all the app settings and specifications.
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*/
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function WinNativeApp(aData) {
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NativeApp.call(this, aData);
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this._init();
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}
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WinNativeApp.prototype = {
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/**
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* Install the app in the system by creating the folder structure,
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*
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*/
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install: function() {
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// Remove previously installed app (for update purposes)
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this._removeInstallation();
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try {
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this._createDirectoryStructure();
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this._copyPrebuiltFiles();
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this._createConfigFiles();
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this._createShortcutFiles();
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this._writeSystemKeys();
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} catch (ex) {
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this._removeInstallation();
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throw(ex);
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}
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getIconForApp(this, function() {});
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},
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/**
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* Initializes properties that will be used during the installation process,
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* such as paths and filenames.
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*/
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_init: function() {
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let filenameRE = new RegExp("[<>:\"/\\\\|\\?\\*]", "gi");
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this.appNameAsFilename = this.appNameAsFilename.replace(filenameRE, "");
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if (this.appNameAsFilename == "") {
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this.appNameAsFilename = "webapp";
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}
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// The ${InstallDir} format is as follows:
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// host of the app origin + ";" +
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// protocol + ";" +
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// port (-1 for default port)
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this.installDir = Services.dirsvc.get("AppData", Ci.nsIFile);
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this.installDir.append(this.launchURI.host + ";" +
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this.launchURI.scheme + ";" +
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this.launchURI.port);
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this.uninstallDir = this.installDir.clone();
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this.uninstallDir.append("uninstall");
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this.uninstallerFile = this.installDir.clone();
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this.uninstallerFile.append("webapp-uninstaller.exe");
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this.iconFile = this.installDir.clone();
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this.iconFile.append("chrome");
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this.iconFile.append("icons");
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this.iconFile.append("default");
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this.iconFile.append("topwindow.ico");
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this.processFolder = Services.dirsvc.get("CurProcD", Ci.nsIFile);
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this.desktopShortcut = Services.dirsvc.get("Desk", Ci.nsILocalFile);
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this.desktopShortcut.append(this.appNameAsFilename + ".lnk");
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this.desktopShortcut.followLinks = false;
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this.startMenuShortcut = Services.dirsvc.get("Progs", Ci.nsILocalFile);
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this.startMenuShortcut.append(this.appNameAsFilename + ".lnk");
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this.startMenuShortcut.followLinks = false;
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this.uninstallSubkeyStr = this.launchURI.scheme + "://" +
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this.launchURI.host + ":" +
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this.launchURI.port;
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},
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/**
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* Remove the current installation
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*/
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_removeInstallation : function() {
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let uninstallKey;
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try {
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uninstallKey = Cc["@mozilla.org/windows-registry-key;1"]
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.createInstance(Ci.nsIWindowsRegKey);
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uninstallKey.open(uninstallKey.ROOT_KEY_CURRENT_USER,
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"SOFTWARE\\Microsoft\\Windows\\" +
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"CurrentVersion\\Uninstall",
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uninstallKey.ACCESS_WRITE);
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if(uninstallKey.hasChild(this.uninstallSubkeyStr)) {
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uninstallKey.removeChild(this.uninstallSubkeyStr);
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}
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} finally {
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if(uninstallKey)
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uninstallKey.close();
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}
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try {
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if(this.installDir.exists()) {
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let dir = this.installDir.QueryInterface(Ci.nsILocalFile);
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// We need to set followLinks to false so that the shortcut
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// files can be removed even after the .exe it was pointing
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// to was removed.
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dir.followLinks = false;
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dir.remove(true);
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}
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} catch(ex) {
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}
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try {
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if(this.desktopShortcut && this.desktopShortcut.exists()) {
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this.desktopShortcut.remove(false);
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}
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if(this.startMenuShortcut && this.startMenuShortcut.exists()) {
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this.startMenuShortcut.remove(false);
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}
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} catch(ex) {
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}
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},
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/**
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* Creates the main directory structure.
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*/
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_createDirectoryStructure: function() {
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this.installDir.create(Ci.nsIFile.DIRECTORY_TYPE, 0755);
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this.uninstallDir.create(Ci.nsIFile.DIRECTORY_TYPE, 0755);
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},
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/**
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* Copy the pre-built files into their destination folders.
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*/
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_copyPrebuiltFiles: function() {
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let webapprt = this.processFolder.clone();
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webapprt.append("webapprt-stub.exe");
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webapprt.copyTo(this.installDir, this.appNameAsFilename + ".exe");
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let uninstaller = this.processFolder.clone();
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uninstaller.append("webapp-uninstaller.exe");
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uninstaller.copyTo(this.uninstallDir, this.uninstallerFile.leafName);
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},
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/**
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* Creates the configuration files into their destination folders.
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*/
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_createConfigFiles: function() {
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// ${InstallDir}/webapp.json
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let json = {
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"registryDir": this.profileFolder.path,
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"app": this.app
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};
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let configJson = this.installDir.clone();
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configJson.append("webapp.json");
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writeToFile(configJson, JSON.stringify(json), function() {});
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// ${InstallDir}/webapp.ini
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let webappINI = this.installDir.clone().QueryInterface(Ci.nsILocalFile);
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webappINI.append("webapp.ini");
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let factory = Cc["@mozilla.org/xpcom/ini-processor-factory;1"]
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.getService(Ci.nsIINIParserFactory);
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let writer = factory.createINIParser(webappINI).QueryInterface(Ci.nsIINIParserWriter);
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writer.setString("Webapp", "Name", this.appName);
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writer.setString("Webapp", "Profile", this.installDir.leafName);
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writer.setString("Webapp", "Executable", this.appNameAsFilename + ".exe");
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writer.setString("WebappRT", "InstallDir", this.processFolder.path);
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writer.setString("Branding", "BrandFullName", this.appName);
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writer.setString("Branding", "BrandShortName", this.appName);
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writer.writeFile();
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// ${UninstallDir}/shortcut_logs.ini
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let shortcutLogsINI = this.uninstallDir.clone().QueryInterface(Ci.nsILocalFile);
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shortcutLogsINI.append("shortcut_logs.ini");
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writer = factory.createINIParser(shortcutLogsINI).QueryInterface(Ci.nsIINIParserWriter);
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writer.setString("STARTMENU", "Shortcut", this.appNameAsFilename + ".lnk");
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writer.setString("DESKTOP", "Shortcut", this.appNameAsFilename + ".lnk");
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writer.setString("TASKBAR", "Migrated", "true");
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writer = null;
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factory = null;
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// ${UninstallDir}/uninstall.log
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let uninstallContent =
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"File: \\webapp.ini\r\n" +
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"File: \\webapp.json\r\n" +
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"File: \\webapprt.old\r\n" +
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"File: \\chrome\\icons\\default\\topwindow.ico";
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let uninstallLog = this.uninstallDir.clone();
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uninstallLog.append("uninstall.log");
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writeToFile(uninstallLog, uninstallContent, function() {});
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},
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/**
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* Writes the keys to the system registry that are necessary for the app operation
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* and uninstall process.
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*/
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_writeSystemKeys: function() {
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let parentKey;
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let uninstallKey;
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let subKey;
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try {
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parentKey = Cc["@mozilla.org/windows-registry-key;1"]
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.createInstance(Ci.nsIWindowsRegKey);
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parentKey.open(parentKey.ROOT_KEY_CURRENT_USER,
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"SOFTWARE\\Microsoft\\Windows\\CurrentVersion",
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parentKey.ACCESS_WRITE);
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uninstallKey = parentKey.createChild("Uninstall", parentKey.ACCESS_WRITE)
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subKey = uninstallKey.createChild(this.uninstallSubkeyStr, uninstallKey.ACCESS_WRITE);
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subKey.writeStringValue("DisplayName", this.appName);
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subKey.writeStringValue("UninstallString", this.uninstallerFile.path);
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subKey.writeStringValue("InstallLocation", this.installDir.path);
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subKey.writeStringValue("AppFilename", this.appNameAsFilename);
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if(this.iconFile) {
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subKey.writeStringValue("DisplayIcon", this.iconFile.path);
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}
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subKey.writeIntValue("NoModify", 1);
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subKey.writeIntValue("NoRepair", 1);
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} catch(ex) {
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throw(ex);
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} finally {
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if(subKey) subKey.close();
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if(uninstallKey) uninstallKey.close();
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if(parentKey) parentKey.close();
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}
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},
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/**
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* Creates a shortcut file inside the app installation folder and makes
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* two copies of it: one into the desktop and one into the start menu.
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*/
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_createShortcutFiles: function() {
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let shortcut = this.installDir.clone().QueryInterface(Ci.nsILocalFileWin);
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shortcut.append(this.appNameAsFilename + ".lnk");
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let target = this.installDir.clone();
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target.append(this.appNameAsFilename + ".exe");
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/* function nsILocalFileWin.setShortcut(targetFile, workingDir, args,
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description, iconFile, iconIndex) */
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shortcut.setShortcut(target, this.installDir.clone(), null,
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this.shortDescription, this.iconFile, 0);
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let desktop = Services.dirsvc.get("Desk", Ci.nsILocalFile);
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let startMenu = Services.dirsvc.get("Progs", Ci.nsILocalFile);
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shortcut.copyTo(desktop, this.appNameAsFilename + ".lnk");
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shortcut.copyTo(startMenu, this.appNameAsFilename + ".lnk");
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},
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/**
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* This variable specifies if the icon retrieval process should
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* use a temporary file in the system or a binary stream. This
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* is accessed by a common function in WebappsIconHelpers.js and
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* is different for each platform.
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*/
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useTmpForIcon: false,
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/**
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* Process the icon from the imageStream as retrieved from
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* the URL by getIconForApp(). This will save the icon to the
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* topwindow.ico file.
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*
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* @param aMimeType ahe icon mimetype
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* @param aImageStream the stream for the image data
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* @param aCallback a callback function to be called
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* after the process finishes
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*/
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processIcon: function(aMimeType, aImageStream, aCallback) {
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let iconStream;
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try {
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let imgTools = Cc["@mozilla.org/image/tools;1"]
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.createInstance(Ci.imgITools);
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let imgContainer = { value: null };
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imgTools.decodeImageData(aImageStream, aMimeType, imgContainer);
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iconStream = imgTools.encodeImage(imgContainer.value,
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"image/vnd.microsoft.icon",
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"format=bmp;bpp=32");
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} catch (e) {
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throw("processIcon - Failure converting icon (" + e + ")");
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}
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this.iconFile.parent.create(Ci.nsIFile.DIRECTORY_TYPE, 0755);
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let outputStream = FileUtils.openSafeFileOutputStream(this.iconFile);
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NetUtil.asyncCopy(iconStream, outputStream);
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}
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}
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#elifdef XP_MACOSX
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function MacNativeApp(aData) {
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NativeApp.call(this, aData);
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