chylex/TweetDuck
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Code

Add a custom load error screen to FormBrowser

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This commit is contained in:
chylex 2017-03-21 19:05:42 +01:00
parent 7b218b2544
commit 61d2d124ff
5 changed files with 80 additions and 2 deletions

21
Core/FormBrowser.cs
View File

@ -79,6 +79,8 @@ public FormBrowser(PluginManager pluginManager, UpdaterSettings updaterSettings)
this.browser.LoadingStateChanged += browser_LoadingStateChanged;
this.browser.FrameLoadEnd += browser_FrameLoadEnd;
this.browser.LoadError += browser_LoadError;
this.browser.AddressChanged += browser_AddressChanged;
this.browser.RegisterAsyncJsObject("$TD", new TweetDeckBridge(this, notification));
this.browser.RegisterAsyncJsObject("$TDP", plugins.Bridge);
@ -163,6 +165,25 @@ private void browser_FrameLoadEnd(object sender, FrameLoadEndEventArgs e){
}
}
private void browser_LoadError(object sender, LoadErrorEventArgs e){
if (!e.FailedUrl.StartsWith("http://td/") && !e.FailedUrl.StartsWith("td:")){
string errorPage = ScriptLoader.LoadResource("pages/error.html", true);
if (errorPage != null){
browser.LoadHtml(errorPage.Replace("{err}", BrowserUtils.GetErrorName(e.ErrorCode)), "http://td/error");
}
}
}
private void browser_AddressChanged(object sender, AddressChangedEventArgs e){
if (e.Address.StartsWith("td:")){
switch(e.Address){
case "td:reload": ReloadToTweetDeck(); break;
case "td:exit": this.InvokeAsyncSafe(ForceClose); break;
}
}
}
private void FormBrowser_Activated(object sender, EventArgs e){
if (!isLoaded)return;

4
Core/Utils/BrowserUtils.cs
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@ -67,6 +67,10 @@ public static string ConvertPascalCaseToScreamingSnakeCase(string str){
return Regex.Replace(str, @"(\p{Ll})(\P{Ll})|(\P{Ll})(\P{Ll}\p{Ll})", "$1$3_$2$4").ToUpperInvariant();
}
public static string GetErrorName(CefErrorCode code){
return ConvertPascalCaseToScreamingSnakeCase(Enum.GetName(typeof(CefErrorCode), code) ?? string.Empty);
}
public static void DownloadFileAsync(string url, string target, Action<Exception> onFailure){
WebClient client = new WebClient{ Proxy = null };
client.Headers[HttpRequestHeader.UserAgent] = HeaderUserAgent;

7
Resources/ScriptLoader.cs
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@ -9,11 +9,14 @@ namespace TweetDck.Resources{
static class ScriptLoader{
private const string UrlPrefix = "td:";
public static string LoadResource(string name){
public static string LoadResource(string name, bool silent = false){
try{
return File.ReadAllText(Path.Combine(Program.ScriptPath, name), Encoding.UTF8);
}catch(Exception ex){
MessageBox.Show("Unfortunately, "+Program.BrandName+" could not load the "+name+" file. The program will continue running with limited functionality.\r\n\r\n"+ex.Message, Program.BrandName+" Has Failed :(", MessageBoxButtons.OK, MessageBoxIcon.Error);
if (!silent){
MessageBox.Show("Unfortunately, "+Program.BrandName+" could not load the "+name+" file. The program will continue running with limited functionality.\r\n\r\n"+ex.Message, Program.BrandName+" Has Failed :(", MessageBoxButtons.OK, MessageBoxIcon.Error);
}
return null;
}
}

49
Resources/Scripts/pages/error.html Normal file
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@ -0,0 +1,49 @@
<!DOCTYPE html>
<html>
<head>
<style type="text/css">
body {
color: #e1e8ed;
background-color: #1c6399;
font-family: Helvetica, Arial, Verdana, sans-serif;
font-weight: 300;
font-size: 24px;
width: 100%;
height: 100%;
margin: 0;
position: absolute;
display: table;
}
center {
display: table-cell;
vertical-align: middle;
}
h1 {
margin: 0;
}
p {
margin: 20px 0 24px;
}
button {
width: 100px;
height: 35px;
border: 0;
margin: 0 2px;
font-size: 17px;
}
</style>
</head>
<body>
<center>
<h1>Connection Error</h1>
<p>{err}</p>
<button onclick="location.href = 'td:reload'">Retry</button>
<button onclick="location.href = 'td:exit'">Exit</button>
</center>
</body>
</html>

1
TweetDck.csproj
View File

@ -326,6 +326,7 @@
<ItemGroup>
<Content Include="Resources\Scripts\code.js" />
<Content Include="Resources\Scripts\notification.js" />
<Content Include="Resources\Scripts\pages\error.html" />
<Content Include="Resources\Scripts\plugins.browser.js" />
<Content Include="Resources\Scripts\plugins.js" />
<Content Include="Resources\Scripts\plugins.notification.js" />