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mirror of https://github.com/chylex/TweetDuck.git synced 2025-05-20 02:34:09 +02:00
TweetDuck/Core/Utils/BrowserUtils.cs
2017-06-29 04:01:50 +02:00

138 lines
4.9 KiB
C#

using CefSharp;
using System;
using System.Collections.Generic;
using System.Diagnostics;
using System.Drawing;
using System.Globalization;
using System.IO;
using System.Net;
using System.Text.RegularExpressions;
using System.Windows.Forms;
namespace TweetDuck.Core.Utils{
static class BrowserUtils{
public static string HeaderAcceptLanguage{
get{
string culture = CultureInfo.CurrentCulture.Name;
if (culture == "en"){
return "en-us,en";
}
else{
return culture.ToLowerInvariant()+",en;q=0.9";
}
}
}
public static string HeaderUserAgent => Program.BrandName+" "+Application.ProductVersion;
public static readonly Color BackgroundColor = Color.FromArgb(28, 99, 153);
public const string BackgroundColorFix = "let e=document.createElement('style');document.head.appendChild(e);e.innerHTML='body::before{background:#1c6399!important}'";
public static readonly string[] DictionaryWords = {
"tweetdeck", "TweetDeck", "tweetduck", "TweetDuck", "TD"
};
public static void SetupCefArgs(IDictionary<string, string> args){
if (!Program.SystemConfig.HardwareAcceleration){
args["disable-gpu"] = "1";
args["disable-gpu-vsync"] = "1";
}
args["disable-extensions"] = "1";
args["disable-plugins-discovery"] = "1";
args["enable-system-flash"] = "0";
if (args.TryGetValue("js-flags", out string jsFlags)){
args["js-flags"] = "--expose-gc "+jsFlags;
}
else{
args["js-flags"] = "--expose-gc";
}
}
public static bool IsValidUrl(string url){
if (Uri.TryCreate(url, UriKind.Absolute, out Uri uri)){
string scheme = uri.Scheme;
return scheme == Uri.UriSchemeHttp || scheme == Uri.UriSchemeHttps || scheme == Uri.UriSchemeFtp || scheme == Uri.UriSchemeMailto;
}
return false;
}
public static void OpenExternalBrowser(string url){
if (string.IsNullOrWhiteSpace(url))return;
if (IsValidUrl(url)){
OpenExternalBrowserUnsafe(url);
}
else{
MessageBox.Show("A potentially malicious URL was blocked from opening:"+Environment.NewLine+url, "Blocked URL", MessageBoxButtons.OK, MessageBoxIcon.Warning);
}
}
public static void OpenExternalBrowserUnsafe(string url){
using(Process.Start(url)){}
}
public static string GetFileNameFromUrl(string url){
string file = Path.GetFileName(new Uri(url).AbsolutePath);
return string.IsNullOrEmpty(file) ? null : file;
}
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 WebClient DownloadFileAsync(string url, string target, Action onSuccess, Action<Exception> onFailure){
WebClient client = new WebClient{ Proxy = null };
client.Headers[HttpRequestHeader.UserAgent] = HeaderUserAgent;
client.DownloadFileCompleted += (sender, args) => {
if (args.Cancelled){
try{
File.Delete(target);
}catch{
// didn't want it deleted anyways
}
}
else if (args.Error != null){
onFailure?.Invoke(args.Error);
}
else{
onSuccess?.Invoke();
}
};
client.DownloadFileAsync(new Uri(url), target);
return client;
}
public static int Scale(int baseValue, double scaleFactor){
return (int)Math.Round(baseValue*scaleFactor);
}
public static void SetZoomLevel(IBrowser browser, int percentage){
browser.GetHost().SetZoomLevel(Math.Log(percentage/100.0, 1.2));
}
public static bool IsTweetDeckWebsite(IFrame frame){
return frame.Url.Contains("//tweetdeck.twitter.com/");
}
public static bool IsTwitterWebsite(IFrame frame){
return frame.Url.Contains("//twitter.com/");
}
#if DEBUG
public static void HandleConsoleMessage(object sender, ConsoleMessageEventArgs e){
Debug.WriteLine("[Console] {0} ({1}:{2})", e.Message, e.Source, e.Line);
}
#endif
}
}