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A Simple Silverlight RSS Reader

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21 Jun 2010CPOL3 min read 60.1K   1.4K   52  
This is a simple Silverlight RSS Reader which pulls out data from a feed URL.
//v2.0.30511.0
if (!window.Silverlight) window.Silverlight = {}; Silverlight._silverlightCount = 0; Silverlight.__onSilverlightInstalledCalled = false; Silverlight.fwlinkRoot = "http://go2.microsoft.com/fwlink/?LinkID="; Silverlight.__installationEventFired = false; Silverlight.onGetSilverlight = null; Silverlight.onSilverlightInstalled = function() { window.location.reload(false) }; Silverlight.isInstalled = function(b) { if (b == undefined) b = null; var a = false, m = null; try { var i = null, j = false; if (window.ActiveXObject) try { i = new ActiveXObject("AgControl.AgControl"); if (b === null) a = true; else if (i.IsVersionSupported(b)) a = true; i = null } catch (l) { j = true } else j = true; if (j) { var k = navigator.plugins["Silverlight Plug-In"]; if (k) if (b === null) a = true; else { var h = k.description; if (h === "1.0.30226.2") h = "2.0.30226.2"; var c = h.split("."); while (c.length > 3) c.pop(); while (c.length < 4) c.push(0); var e = b.split("."); while (e.length > 4) e.pop(); var d, g, f = 0; do { d = parseInt(e[f]); g = parseInt(c[f]); f++ } while (f < e.length && d === g); if (d <= g && !isNaN(d)) a = true } } } catch (l) { a = false } return a }; Silverlight.WaitForInstallCompletion = function() { if (!Silverlight.isBrowserRestartRequired && Silverlight.onSilverlightInstalled) { try { navigator.plugins.refresh() } catch (a) { } if (Silverlight.isInstalled(null) && !Silverlight.__onSilverlightInstalledCalled) { Silverlight.onSilverlightInstalled(); Silverlight.__onSilverlightInstalledCalled = true } else setTimeout(Silverlight.WaitForInstallCompletion, 3e3) } }; Silverlight.__startup = function() { navigator.plugins.refresh(); Silverlight.isBrowserRestartRequired = Silverlight.isInstalled(null); if (!Silverlight.isBrowserRestartRequired) { Silverlight.WaitForInstallCompletion(); if (!Silverlight.__installationEventFired) { Silverlight.onInstallRequired(); Silverlight.__installationEventFired = true } } else if (window.navigator.mimeTypes) { var b = navigator.mimeTypes["application/x-silverlight-2"], c = navigator.mimeTypes["application/x-silverlight-2-b2"], d = navigator.mimeTypes["application/x-silverlight-2-b1"], a = d; if (c) a = c; if (!b && (d || c)) { if (!Silverlight.__installationEventFired) { Silverlight.onUpgradeRequired(); Silverlight.__installationEventFired = true } } else if (b && a) if (b.enabledPlugin && a.enabledPlugin) if (b.enabledPlugin.description != a.enabledPlugin.description) if (!Silverlight.__installationEventFired) { Silverlight.onRestartRequired(); Silverlight.__installationEventFired = true } } if (!Silverlight.disableAutoStartup) if (window.removeEventListener) window.removeEventListener("load", Silverlight.__startup, false); else window.detachEvent("onload", Silverlight.__startup) }; if (!Silverlight.disableAutoStartup) if (window.addEventListener) window.addEventListener("load", Silverlight.__startup, false); else window.attachEvent("onload", Silverlight.__startup); Silverlight.createObject = function(m, f, e, k, l, h, j) { var d = {}, a = k, c = l; d.version = a.version; a.source = m; d.alt = a.alt; if (h) a.initParams = h; if (a.isWindowless && !a.windowless) a.windowless = a.isWindowless; if (a.framerate && !a.maxFramerate) a.maxFramerate = a.framerate; if (e && !a.id) a.id = e; delete a.ignoreBrowserVer; delete a.inplaceInstallPrompt; delete a.version; delete a.isWindowless; delete a.framerate; delete a.data; delete a.src; delete a.alt; if (Silverlight.isInstalled(d.version)) { for (var b in c) if (c[b]) { if (b == "onLoad" && typeof c[b] == "function" && c[b].length != 1) { var i = c[b]; c[b] = function(a) { return i(document.getElementById(e), j, a) } } var g = Silverlight.__getHandlerName(c[b]); if (g != null) { a[b] = g; c[b] = null } else throw "typeof events." + b + " must be 'function' or 'string'"; } slPluginHTML = Silverlight.buildHTML(a) } else slPluginHTML = Silverlight.buildPromptHTML(d); if (f) f.innerHTML = slPluginHTML; else return slPluginHTML }; Silverlight.buildHTML = function(a) { var b = []; b.push('<object type="application/x-silverlight" data="data:application/x-silverlight,"'); if (a.id != null) b.push(' id="' + Silverlight.HtmlAttributeEncode(a.id) + '"'); if (a.width != null) b.push(' width="' + a.width + '"'); if (a.height != null) b.push(' height="' + a.height + '"'); b.push(" >"); delete a.id; delete a.width; delete a.height; for (var c in a) if (a[c]) b.push('<param name="' + Silverlight.HtmlAttributeEncode(c) + '" value="' + Silverlight.HtmlAttributeEncode(a[c]) + '" />'); b.push("</object>"); return b.join("") }; Silverlight.createObjectEx = function(b) { var a = b, c = Silverlight.createObject(a.source, a.parentElement, a.id, a.properties, a.events, a.initParams, a.context); if (a.parentElement == null) return c }; Silverlight.buildPromptHTML = function(b) { var a = "", d = Silverlight.fwlinkRoot, c = b.version; if (b.alt) a = b.alt; else { if (!c) c = ""; a = "<a href='javascript:Silverlight.getSilverlight(\"{1}\");' style='text-decoration: none;'><img src='{2}' alt='Get Microsoft Silverlight' style='border-style: none'/></a>"; a = a.replace("{1}", c); a = a.replace("{2}", d + "108181") } return a }; Silverlight.getSilverlight = function(e) { if (Silverlight.onGetSilverlight) Silverlight.onGetSilverlight(); var b = "", a = String(e).split("."); if (a.length > 1) { var c = parseInt(a[0]); if (isNaN(c) || c < 2) b = "1.0"; else b = a[0] + "." + a[1] } var d = ""; if (b.match(/^\d+\056\d+$/)) d = "&v=" + b; Silverlight.followFWLink("149156" + d) }; Silverlight.followFWLink = function(a) { top.location = Silverlight.fwlinkRoot + String(a) }; Silverlight.HtmlAttributeEncode = function(c) { var a, b = ""; if (c == null) return null; for (var d = 0; d < c.length; d++) { a = c.charCodeAt(d); if (a > 96 && a < 123 || a > 64 && a < 91 || a > 43 && a < 58 && a != 47 || a == 95) b = b + String.fromCharCode(a); else b = b + "&#" + a + ";" } return b }; Silverlight.default_error_handler = function(e, b) { var d, c = b.ErrorType; d = b.ErrorCode; var a = "\nSilverlight error message     \n"; a += "ErrorCode: " + d + "\n"; a += "ErrorType: " + c + "       \n"; a += "Message: " + b.ErrorMessage + "     \n"; if (c == "ParserError") { a += "XamlFile: " + b.xamlFile + "     \n"; a += "Line: " + b.lineNumber + "     \n"; a += "Position: " + b.charPosition + "     \n" } else if (c == "RuntimeError") { if (b.lineNumber != 0) { a += "Line: " + b.lineNumber + "     \n"; a += "Position: " + b.charPosition + "     \n" } a += "MethodName: " + b.methodName + "     \n" } alert(a) }; Silverlight.__cleanup = function() { for (var a = Silverlight._silverlightCount - 1; a >= 0; a--) window["__slEvent" + a] = null; Silverlight._silverlightCount = 0; if (window.removeEventListener) window.removeEventListener("unload", Silverlight.__cleanup, false); else window.detachEvent("onunload", Silverlight.__cleanup) }; Silverlight.__getHandlerName = function(b) { var a = ""; if (typeof b == "string") a = b; else if (typeof b == "function") { if (Silverlight._silverlightCount == 0) if (window.addEventListener) window.addEventListener("onunload", Silverlight.__cleanup, false); else window.attachEvent("onunload", Silverlight.__cleanup); var c = Silverlight._silverlightCount++; a = "__slEvent" + c; window[a] = b } else a = null; return a }; Silverlight.onRequiredVersionAvailable = function() { }; Silverlight.onRestartRequired = function() { }; Silverlight.onUpgradeRequired = function() { }; Silverlight.onInstallRequired = function() { }; Silverlight.IsVersionAvailableOnError = function(d, a) { var b = false; try { if (a.ErrorCode == 8001 && !Silverlight.__installationEventFired) { Silverlight.onUpgradeRequired(); Silverlight.__installationEventFired = true } else if (a.ErrorCode == 8002 && !Silverlight.__installationEventFired) { Silverlight.onRestartRequired(); Silverlight.__installationEventFired = true } else if (a.ErrorCode == 5014 || a.ErrorCode == 2106) { if (Silverlight.__verifySilverlight2UpgradeSuccess(a.getHost())) b = true } else b = true } catch (c) { } return b }; Silverlight.IsVersionAvailableOnLoad = function(b) { var a = false; try { if (Silverlight.__verifySilverlight2UpgradeSuccess(b.getHost())) a = true } catch (c) { } return a }; Silverlight.__verifySilverlight2UpgradeSuccess = function(d) { var c = false, b = "2.0.31005", a = null; try { if (d.IsVersionSupported(b + ".99")) { a = Silverlight.onRequiredVersionAvailable; c = true } else if (d.IsVersionSupported(b + ".0")) a = Silverlight.onRestartRequired; else a = Silverlight.onUpgradeRequired; if (a && !Silverlight.__installationEventFired) { a(); Silverlight.__installationEventFired = true } } catch (e) { } return c }


function onSilverlightError(sender, args) {
    var appSource = "";
    if (sender != null && sender != 0) {
        appSource = sender.getHost().Source;
    }

    var errorType = args.ErrorType;
    var iErrorCode = args.ErrorCode;

    if (errorType == "ImageError" || errorType == "MediaError") {
        return;
    }

    var errMsg = "Unhandled Error in Silverlight Application " + appSource + "\n";

    errMsg += "Code: " + iErrorCode + "    \n";
    errMsg += "Category: " + errorType + "       \n";
    errMsg += "Message: " + args.ErrorMessage + "     \n";

    if (errorType == "ParserError") {
        errMsg += "File: " + args.xamlFile + "     \n";
        errMsg += "Line: " + args.lineNumber + "     \n";
        errMsg += "Position: " + args.charPosition + "     \n";
    }
    else if (errorType == "RuntimeError") {
        if (args.lineNumber != 0) {
            errMsg += "Line: " + args.lineNumber + "     \n";
            errMsg += "Position: " + args.charPosition + "     \n";
        }
        errMsg += "MethodName: " + args.methodName + "     \n";
    }

    throw new Error(errMsg);
}

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This article, along with any associated source code and files, is licensed under The Code Project Open License (CPOL)


Written By
Software Developer Tata Consultancy Services
India India
I have been working in different .NET Technologies like ASP.NET,WPF,Silverlight for the last few years.I am enjoying my life as a Programmer and spending time with my Family,Friends & Camera.

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